CA2423963C - Method and device for producing singlet oxygen - Google Patents
Method and device for producing singlet oxygen Download PDFInfo
- Publication number
- CA2423963C CA2423963C CA2423963A CA2423963A CA2423963C CA 2423963 C CA2423963 C CA 2423963C CA 2423963 A CA2423963 A CA 2423963A CA 2423963 A CA2423963 A CA 2423963A CA 2423963 C CA2423963 C CA 2423963C
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- CA
- Canada
- Prior art keywords
- dye
- substrate
- light
- finely roughened
- coated
- Prior art date
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- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
- B01J19/122—Incoherent waves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
- B01J19/122—Incoherent waves
- B01J19/127—Sunlight; Visible light
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0873—Materials to be treated
- B01J2219/0877—Liquid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
Abstract
The invention relates to a device for producing singulet oxygen, comprising a housing (1) forming a chamber which has at least two opposite surfaces. One (4) of said surfaces is transparent and the other is covered by a coating made from a dye excited by light, and a light source (3) for radiating the surface (6) coated with the dye. The surface (6) coated with the dye is formed by a substrate comprising a finely roughened surface. The dye is introduced in the indentations of the finely roughened surface by polishing. The light source can be formed by luminous diodes (3), whose light emission comprises a wavelength located within the range of maximum radiation absorption of the dye of the coated surface (6).
Description
26 Mar 2003 19:40 WRLLRCH ET RL. +49 89 540 14D 14 5.11 Method and Device for Producing Slnglet Oxygen The invention relates to a devico far producing ringlet oxygen of the type meniloned in the preamble of cialrri 1 as well as to a method for producing a surface coated with a dye for such a device.
Such a device far producing singlet oxygen Is known from the WO 9719044 A1.
With this apparatus, a Chamber is formed having two boundary surfaces, one of these surfaces being transparent, whereas the other surface is covered by a coating made from a dye excitable by Ilght radiation. This surface coated with the dye is irradiated with light from a light source disposed adjacent to the transparent surface. The light source is preferably a halogen lamp, and th~ transparent surface filters out a pertain part of the radiation, such that a radiation having a predetermined frequency spectrum is obtained, This sight radiation acts upon the dye disposed on tfie surface coated with the dye, and the oxygen flowing over this surtace fs brought into en exalted condition for forming ringlet oxygen.
The dye coating is applied by a kinetic, thermal or chemical methods on a finely roughened surface or a rnicroporous surfao~. The eff~lency of this known apparatus is only law, and the production of the dye coated surface is quite expensive, and further, 2o large amounts of heat are produced by th~ us~ of the halogen lamp.
From the U9-patent 4 679 837, it is further known to deposit on a substrate several layers of polycristalline organic dye, like for ,instance trypaflavin$, eosin or tetracene. Also in this case the production of the surface covered with dye is quite expensive.
as The object of the Invention is to provido a device as well as a method of the type mention~d above, which allows the production of singlet oxygen with high officisncy and low expense.
This probiem is solved by the featuros set out In claims 1 and '14, respectively.
' CA 02423963 2003-03-28 26 Mar 2003 19:t0 WHLLF1CH ET AL. +t9 89 5t0 140 it S.12 Advantageous developments and embodiments of the invention are set out in the respecthre subclaims.
With the device according to the invention, a single layer of tfi4 dye i8 Introduced Into the fine pores on the surtace of the substrate by exoerting pressure and friction, Bald surface being finely roughened and the dye being introduced by polishing It into the indantatlans of the finely roughened surface. The depth of the indentations or pores determines the thickness of the layer of dye. In this manner, the effort for producing the surtace covered with dye is quite low. Further, with this method, the characteristics of th~
dye are not impaired. .
The excitation of the dye is pertormed preferably by light ~mitting diodes having an emission wavelength adapted to th~ absorption peak of th~ respective dye, this absorption peak lying, with moat of the dyes mentioned below, mostly in the region of 600 through 680 nm, a region for which light amtttfng diodes having a relatively narrow wavelength emission are commercially available.
Since conventional light emitting diodes may be used for exciting the dye, on one hand, a simple and oost-eff~ctlve structure is obtained, and on tha other hand, a high total efficiQncy of the device is obtained in view of the high efiiolency of light omission of such light emitting diodes.
The dye may be for instance groan or blue phthalocyanine, mathylene blue, rose bengsl, porphyrin (zinc tetraphenylporphyrin) or eosin.
Th4 substrate may preferably be a plexiglass disc, a glass disc or ~v.n ~e metal disc having an Insulated surface, preferably an anodized aluminum disc.
For its uniform distribution, the dye may be solved in a solvent and may be uniformly 3o dlstrfbuted on the surface within an electromagn~tic fiold, or the substrate may be electrostatlcally charged and exposed to a dye mist.
26 Mar 2003 19: f0 WRLLRCH ET RL. +~F9 89 540 140 1f S.13 For obtaining the recesses or pores, the substrate may be roughened in a sandblast procedure.
The Invention will be explained in more detail with reference to embodiments shown In the drawings, wherein:
Figure 1 is an embodiment of the device for the activation of air, Figure 2 Is an embodiment of the device for activating liquids.
~a The embodiment of the device shown In Figure 1 cornprisea a housing which, In the embpdiment shown, has a cylindrical section, but may also be elongated or may have any other cross-section, This housing forms a chamber bounded by a first surface 4 formed by a covering glass plate or any other light transparent plate, as well as by a surfao~ B coated with a dye. Between the covering glass plate 4 and the surface 6 coated with tho dye, a an air guide andlor a spacor 5 may be disposed to obtain an intimate contact between the oxygen or the oxygen containing gas guided through the chamber and the coated surtace 6.
24 . On the side of the covering class plate 4 opposite to the coated surface 6, a printed circuit board 2 is disposed, which carries light emitting diodes 3, which illuminate the dye on the surface B vie the cov~ring glass plate ~4.
The surface 8 is coated with the dye by fairing this surface ga the upper surface of a substrate, which is finely roughened and thereby providod with micropores into which the dya 19 polished by exerting pressure.
For obtaining a uniform distribution of the dy~a on the coated surface 6, the dye either may be solved in an appropriate sclvent and then uniformly distributed on the surtaoe within an electromagnetic field, or the substrate is ei~ctrostatlcally charged and is expos~d to a dye mist, whereby the electrostatic charge attracts the dye powder, such that also a uniform thin distribution of the dye partlolas on the surface Is obtained.
26 Mar 2003 19:40 WRLLRCH ET RL. +f9 89 5f0 140 14 5.14 In both cases, the surfac~ subsequently is polished such that a stabl~ and uniformly thin adhesion of the dye on the finely roughened surface is obtained.
As dye, asp~cially phthalocyanine, porphyrine (zinc tetraphenylporphyrine) and eosin are useful. Thes~ dyes have a wavelength region of park absorption between about B00 rtm and 6130 nm, and light emitting diodes having a light emission in this wavelength region are without any problem commercially available. The excitation peak of singl~t oxygen, i.e. the energy being freed on return of the oxygen into Its base state, is at '634.3 nm. The excitation energy for the oxygen preferably should have a wavelength somewhat than the 83st.3 nm.
On the dye surface excited by the light radiation from the Ilght emitting diodes, exitonio hits against the oxygen molecules are produo~d, which aro contained within the gas fed through the chamber, the peripheral electrons of the oxygen moleoules reacting with jumps to tho next incompletely occupied electron orbits, such that a slnglet oxygen.
condition results.
The gas containing oxygen or pure oxygen mery be fed to the chamber formed between the covering plate 4 and the surface g coated with the dye by m~ans of an inlet 7 and rnay ba removed via an outlet 8, as shown in Figure 1.
in the embodim~nt shown in Figure 2, thv gas inlets and gas outlets ere ornltted, and a light transparent substrate is used over which a gas containing oxygen Is disposed. The side of the substrate which Is not coated with the dye is in direct contact with the surface 9 of a body or with a liquid which shell be exposed as sxitona produced in the dye by the light radiation.
Such a device far producing singlet oxygen Is known from the WO 9719044 A1.
With this apparatus, a Chamber is formed having two boundary surfaces, one of these surfaces being transparent, whereas the other surface is covered by a coating made from a dye excitable by Ilght radiation. This surface coated with the dye is irradiated with light from a light source disposed adjacent to the transparent surface. The light source is preferably a halogen lamp, and th~ transparent surface filters out a pertain part of the radiation, such that a radiation having a predetermined frequency spectrum is obtained, This sight radiation acts upon the dye disposed on tfie surface coated with the dye, and the oxygen flowing over this surtace fs brought into en exalted condition for forming ringlet oxygen.
The dye coating is applied by a kinetic, thermal or chemical methods on a finely roughened surface or a rnicroporous surfao~. The eff~lency of this known apparatus is only law, and the production of the dye coated surface is quite expensive, and further, 2o large amounts of heat are produced by th~ us~ of the halogen lamp.
From the U9-patent 4 679 837, it is further known to deposit on a substrate several layers of polycristalline organic dye, like for ,instance trypaflavin$, eosin or tetracene. Also in this case the production of the surface covered with dye is quite expensive.
as The object of the Invention is to provido a device as well as a method of the type mention~d above, which allows the production of singlet oxygen with high officisncy and low expense.
This probiem is solved by the featuros set out In claims 1 and '14, respectively.
' CA 02423963 2003-03-28 26 Mar 2003 19:t0 WHLLF1CH ET AL. +t9 89 5t0 140 it S.12 Advantageous developments and embodiments of the invention are set out in the respecthre subclaims.
With the device according to the invention, a single layer of tfi4 dye i8 Introduced Into the fine pores on the surtace of the substrate by exoerting pressure and friction, Bald surface being finely roughened and the dye being introduced by polishing It into the indantatlans of the finely roughened surface. The depth of the indentations or pores determines the thickness of the layer of dye. In this manner, the effort for producing the surtace covered with dye is quite low. Further, with this method, the characteristics of th~
dye are not impaired. .
The excitation of the dye is pertormed preferably by light ~mitting diodes having an emission wavelength adapted to th~ absorption peak of th~ respective dye, this absorption peak lying, with moat of the dyes mentioned below, mostly in the region of 600 through 680 nm, a region for which light amtttfng diodes having a relatively narrow wavelength emission are commercially available.
Since conventional light emitting diodes may be used for exciting the dye, on one hand, a simple and oost-eff~ctlve structure is obtained, and on tha other hand, a high total efficiQncy of the device is obtained in view of the high efiiolency of light omission of such light emitting diodes.
The dye may be for instance groan or blue phthalocyanine, mathylene blue, rose bengsl, porphyrin (zinc tetraphenylporphyrin) or eosin.
Th4 substrate may preferably be a plexiglass disc, a glass disc or ~v.n ~e metal disc having an Insulated surface, preferably an anodized aluminum disc.
For its uniform distribution, the dye may be solved in a solvent and may be uniformly 3o dlstrfbuted on the surface within an electromagn~tic fiold, or the substrate may be electrostatlcally charged and exposed to a dye mist.
26 Mar 2003 19: f0 WRLLRCH ET RL. +~F9 89 540 140 1f S.13 For obtaining the recesses or pores, the substrate may be roughened in a sandblast procedure.
The Invention will be explained in more detail with reference to embodiments shown In the drawings, wherein:
Figure 1 is an embodiment of the device for the activation of air, Figure 2 Is an embodiment of the device for activating liquids.
~a The embodiment of the device shown In Figure 1 cornprisea a housing which, In the embpdiment shown, has a cylindrical section, but may also be elongated or may have any other cross-section, This housing forms a chamber bounded by a first surface 4 formed by a covering glass plate or any other light transparent plate, as well as by a surfao~ B coated with a dye. Between the covering glass plate 4 and the surface 6 coated with tho dye, a an air guide andlor a spacor 5 may be disposed to obtain an intimate contact between the oxygen or the oxygen containing gas guided through the chamber and the coated surtace 6.
24 . On the side of the covering class plate 4 opposite to the coated surface 6, a printed circuit board 2 is disposed, which carries light emitting diodes 3, which illuminate the dye on the surface B vie the cov~ring glass plate ~4.
The surface 8 is coated with the dye by fairing this surface ga the upper surface of a substrate, which is finely roughened and thereby providod with micropores into which the dya 19 polished by exerting pressure.
For obtaining a uniform distribution of the dy~a on the coated surface 6, the dye either may be solved in an appropriate sclvent and then uniformly distributed on the surtaoe within an electromagnetic field, or the substrate is ei~ctrostatlcally charged and is expos~d to a dye mist, whereby the electrostatic charge attracts the dye powder, such that also a uniform thin distribution of the dye partlolas on the surface Is obtained.
26 Mar 2003 19:40 WRLLRCH ET RL. +f9 89 5f0 140 14 5.14 In both cases, the surfac~ subsequently is polished such that a stabl~ and uniformly thin adhesion of the dye on the finely roughened surface is obtained.
As dye, asp~cially phthalocyanine, porphyrine (zinc tetraphenylporphyrine) and eosin are useful. Thes~ dyes have a wavelength region of park absorption between about B00 rtm and 6130 nm, and light emitting diodes having a light emission in this wavelength region are without any problem commercially available. The excitation peak of singl~t oxygen, i.e. the energy being freed on return of the oxygen into Its base state, is at '634.3 nm. The excitation energy for the oxygen preferably should have a wavelength somewhat than the 83st.3 nm.
On the dye surface excited by the light radiation from the Ilght emitting diodes, exitonio hits against the oxygen molecules are produo~d, which aro contained within the gas fed through the chamber, the peripheral electrons of the oxygen moleoules reacting with jumps to tho next incompletely occupied electron orbits, such that a slnglet oxygen.
condition results.
The gas containing oxygen or pure oxygen mery be fed to the chamber formed between the covering plate 4 and the surface g coated with the dye by m~ans of an inlet 7 and rnay ba removed via an outlet 8, as shown in Figure 1.
in the embodim~nt shown in Figure 2, thv gas inlets and gas outlets ere ornltted, and a light transparent substrate is used over which a gas containing oxygen Is disposed. The side of the substrate which Is not coated with the dye is in direct contact with the surface 9 of a body or with a liquid which shell be exposed as sxitona produced in the dye by the light radiation.
Claims (17)
1. A device for producing singlet oxygen, comprising a housing (1) farming a chamber which has at least two opposite surfaces, one (4) of these surfaces being transparent, whereas the other (B) is covered by a coating made from a dye exitable by light and a light source (3) for irradiating the surface (6) covered with the dye, characterized in that said surface (6) covered with the dye is formed by a substrate comprising a finely roughened surface, and in that said dye is introduced into the indentations of the finely roughened surface by polishing.
2. Device according to claim 1, characterized in that said light source is formed by light emitting diodess (3) whose light emission comprises a wavelength located within the range of maximum radiation absorption of the dye of the coated surface (6).
3. Device according to claim 1 or 2, characterized in that said dye is phthalocyanine.
4. Device according to claim 3, characterized in that the dye is green phthalocyanine.
5. Device according to claim 3, characterized in that the dye is blue phthalocyanine.
6. Device according to claim 1 or 2, characterized in that the dye is methylene blue.
7. Device according to claim 1 or 2, characterized in that the dye is rose bengal.
8. Device according to claim 1 or 2, characterized in that the dye is porphyrin (zinc tetraphenylporphyrin).
9. Device according to claim 1 or 2, characterized in that the dye is eosin,
10. Device according to any of the preceding claims, characterized in that the light emission of the light emitting diodes is located in a spectral region between about 600 nm and 680 nm.
11.Device according to any of the preceding claims, characterized in that the substrate comprises a plexiglass disc.
12.Device according to any of the claims 1 to 11, characterized in that the substrate comprises a glass disc.
13.Device according to any of the claims 1 to 11, characterized in that the substrate comprises an anodized aluminum plate.
14.A method for producing a dye coated surface for a device according to any of the preceding claims, characterized in that a substrate is provided with a finely roughened surface on which the dye is uniformly distributed and is introduced into the pores of the finely roughened surface by exerting pressure and polishing.
15.A method according to claim 14, characterized in that for uniformly distributing the dye, the dye is solved in a solvent and is is uniformly distributed on said surface within an electromagnetic field.
16.A method according to claim 14, characterized in that for uniformly distributing the dye, the substrate is electrostatically charged and exposed to a dye mist.
17.A method according to any of the claims 14 to 18, characterized in that a plastic material disc is used as substrate and is roughened by a sand blasting method.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10048153A DE10048153A1 (en) | 2000-09-28 | 2000-09-28 | Device for generating singlet oxygen |
| DE10048153.1 | 2000-09-28 | ||
| PCT/EP2001/011255 WO2002026621A1 (en) | 2000-09-28 | 2001-09-28 | Method and device for producing singulet oxygen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2423963A1 CA2423963A1 (en) | 2003-03-28 |
| CA2423963C true CA2423963C (en) | 2010-08-24 |
Family
ID=7658012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2423963A Expired - Fee Related CA2423963C (en) | 2000-09-28 | 2001-09-28 | Method and device for producing singlet oxygen |
Country Status (23)
| Country | Link |
|---|---|
| US (1) | US6991831B2 (en) |
| EP (1) | EP1328469B1 (en) |
| JP (1) | JP5166667B2 (en) |
| KR (1) | KR100826852B1 (en) |
| CN (1) | CN1190358C (en) |
| AT (1) | ATE355254T1 (en) |
| AU (2) | AU1499802A (en) |
| BR (1) | BR0114255B1 (en) |
| CA (1) | CA2423963C (en) |
| CY (1) | CY1107492T1 (en) |
| CZ (1) | CZ303183B6 (en) |
| DE (2) | DE10048153A1 (en) |
| DK (1) | DK1328469T3 (en) |
| EE (1) | EE05060B1 (en) |
| ES (1) | ES2283445T3 (en) |
| HU (1) | HU225663B1 (en) |
| IL (2) | IL155114A0 (en) |
| MX (1) | MXPA03002733A (en) |
| NO (1) | NO20031449L (en) |
| PL (1) | PL198831B1 (en) |
| PT (1) | PT1328469E (en) |
| RU (1) | RU2290364C2 (en) |
| WO (1) | WO2002026621A1 (en) |
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| US9254256B2 (en) * | 2005-11-09 | 2016-02-09 | The Invention Science Fund I, Llc | Remote controlled in vivo reaction method |
| US8882747B2 (en) * | 2005-11-09 | 2014-11-11 | The Invention Science Fund I, Llc | Substance delivery system |
| US20070106277A1 (en) * | 2005-11-09 | 2007-05-10 | Searete Llc, A Limited Liability Corporation Of The State Of Delaware | Remote controller for substance delivery system |
| US8273071B2 (en) * | 2006-01-18 | 2012-09-25 | The Invention Science Fund I, Llc | Remote controller for substance delivery system |
| US8083710B2 (en) * | 2006-03-09 | 2011-12-27 | The Invention Science Fund I, Llc | Acoustically controlled substance delivery device |
| US9067047B2 (en) * | 2005-11-09 | 2015-06-30 | The Invention Science Fund I, Llc | Injectable controlled release fluid delivery system |
| US20080140057A1 (en) | 2006-03-09 | 2008-06-12 | Searete Llc, A Limited Liability Corporation Of State Of The Delaware | Injectable controlled release fluid delivery system |
| EP1852391A1 (en) * | 2006-05-02 | 2007-11-07 | Medical Biophysics GmbH | Apparatus and process for the generation of fluid activated by singlet oxygen |
| JP4970542B2 (en) * | 2006-08-16 | 2012-07-11 | ノバルティス アーゲー | Temporal photobleaching of colored lens care solutions and their use |
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| KR100974947B1 (en) * | 2007-07-05 | 2010-08-10 | 권기병 | A hidden Type Deck Clip and A fixd Structure of Wood Panel |
| US20090043065A1 (en) * | 2007-08-07 | 2009-02-12 | Olga Khabashesku | Singlet oxygen oxidized materials and methods of making and using same |
| EP2192976A1 (en) * | 2007-09-07 | 2010-06-09 | Valkion AB | Device for producing a singlet oxygen by irradiating a light- sensitive material |
| US20090090478A1 (en) * | 2007-10-05 | 2009-04-09 | Hollomon Martha G | Selectivity improvement in oxygen delignification and bleaching of lignocellulose pulp using singlet oxygen |
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| DE102010017892A1 (en) | 2010-04-21 | 2011-10-27 | Kirsten Klemm | Device, useful for highly efficient production of singlet oxygen in a gaseous aggregate state, comprises a housing, which forms two rooms respectively arranged at least in two opposite surfaces |
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| JP5649407B2 (en) * | 2010-10-29 | 2015-01-07 | 国立大学法人長岡技術科学大学 | How to generate singlet oxygen |
| DE102011015344A1 (en) * | 2011-03-28 | 2012-10-04 | Krones Aktiengesellschaft | Method and device for sterilizing packaging materials |
| CN103323564B (en) * | 2013-06-28 | 2015-01-14 | 北京大学 | Research device for generating singlet oxygen through natural organic matter, and control method of research device |
| DE102013220210A1 (en) | 2013-10-07 | 2015-04-09 | Lr Health & Beauty Systems Gmbh | Apparatus and method for generating singlet oxygen |
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| DE19835457A1 (en) * | 1998-08-05 | 2000-02-17 | Fraunhofer Ges Forschung | Device for the photoactivated production of singlet oxygen and method for producing the device |
| JP4026037B2 (en) * | 1998-09-10 | 2007-12-26 | 大日本インキ化学工業株式会社 | Hollow fiber membrane gas-liquid gas exchange device and gas exchange method thereof |
| JP2001216986A (en) * | 2000-01-31 | 2001-08-10 | Honda Motor Co Ltd | Humidifying system for fuel cell |
-
2000
- 2000-09-28 DE DE10048153A patent/DE10048153A1/en not_active Withdrawn
-
2001
- 2001-09-28 DK DK01983512T patent/DK1328469T3/en active
- 2001-09-28 AT AT01983512T patent/ATE355254T1/en active
- 2001-09-28 KR KR1020037004491A patent/KR100826852B1/en not_active IP Right Cessation
- 2001-09-28 PL PL361202A patent/PL198831B1/en not_active IP Right Cessation
- 2001-09-28 WO PCT/EP2001/011255 patent/WO2002026621A1/en active IP Right Grant
- 2001-09-28 BR BRPI0114255-0A patent/BR0114255B1/en not_active IP Right Cessation
- 2001-09-28 AU AU1499802A patent/AU1499802A/en active Pending
- 2001-09-28 RU RU2003112214/15A patent/RU2290364C2/en not_active IP Right Cessation
- 2001-09-28 HU HU0301221A patent/HU225663B1/en not_active IP Right Cessation
- 2001-09-28 DE DE50112131T patent/DE50112131D1/en not_active Expired - Lifetime
- 2001-09-28 CA CA2423963A patent/CA2423963C/en not_active Expired - Fee Related
- 2001-09-28 EE EEP200300120A patent/EE05060B1/en not_active IP Right Cessation
- 2001-09-28 CZ CZ20030903A patent/CZ303183B6/en not_active IP Right Cessation
- 2001-09-28 IL IL15511401A patent/IL155114A0/en active IP Right Grant
- 2001-09-28 EP EP01983512A patent/EP1328469B1/en not_active Expired - Lifetime
- 2001-09-28 PT PT01983512T patent/PT1328469E/en unknown
- 2001-09-28 JP JP2002530412A patent/JP5166667B2/en not_active Expired - Fee Related
- 2001-09-28 MX MXPA03002733A patent/MXPA03002733A/en active IP Right Grant
- 2001-09-28 ES ES01983512T patent/ES2283445T3/en not_active Expired - Lifetime
- 2001-09-28 CN CNB018164552A patent/CN1190358C/en not_active Expired - Fee Related
- 2001-09-28 AU AU2002214998A patent/AU2002214998B2/en not_active Ceased
- 2001-09-28 US US10/381,759 patent/US6991831B2/en not_active Expired - Lifetime
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2003
- 2003-03-27 IL IL155114A patent/IL155114A/en not_active IP Right Cessation
- 2003-03-28 NO NO20031449A patent/NO20031449L/en not_active Application Discontinuation
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2007
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