CA2562502A1 - Seeded boehmite particulate material and methods for forming same - Google Patents

Seeded boehmite particulate material and methods for forming same Download PDF

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Publication number
CA2562502A1
CA2562502A1 CA002562502A CA2562502A CA2562502A1 CA 2562502 A1 CA2562502 A1 CA 2562502A1 CA 002562502 A CA002562502 A CA 002562502A CA 2562502 A CA2562502 A CA 2562502A CA 2562502 A1 CA2562502 A1 CA 2562502A1
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CA
Canada
Prior art keywords
boehmite
less
aspect ratio
particle size
average particle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002562502A
Other languages
French (fr)
Other versions
CA2562502C (en
Inventor
Doruk Yener
Margaret Skowron
Martin Barnes
Ralph Bauer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saint Gobain Ceramics and Plastics Inc
Original Assignee
Saint-Gobain Ceramics & Plastics, Inc.
Doruk Yener
Margaret Skowron
Martin Barnes
Ralph Bauer
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US10/823,400 external-priority patent/US20050227000A1/en
Application filed by Saint-Gobain Ceramics & Plastics, Inc., Doruk Yener, Margaret Skowron, Martin Barnes, Ralph Bauer filed Critical Saint-Gobain Ceramics & Plastics, Inc.
Publication of CA2562502A1 publication Critical patent/CA2562502A1/en
Application granted granted Critical
Publication of CA2562502C publication Critical patent/CA2562502C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C01F7/447—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by wet processes
    • C01F7/448—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by wet processes using superatmospheric pressure, e.g. hydrothermal conversion of gibbsite into boehmite
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/016—Additives defined by their aspect ratio

Abstract

A boehmite particulate material is disclosed. The material is formed by a process that includes providing a boehmite precursor and boehmite seeds in a suspension, and heat treating the suspension to convert the boehmite precursor into boehmite particulate material. The boehmite particulate material has an aspect ratio of not less than 3:1.

Claims (59)

1. A boehmite particulate material formed by a process comprising:

providing a boehmite precursor and boehmite seeds in a suspension; and heat treating the suspension to convert the boehmite precursor into boehmite particulate material, the boehmite particulate material having an aspect ratio of not less than 3:1.
2. The material of claim 1, wherein the aspect ratio is not less than 4:1.
3. The material of claim 2, wherein the aspect ratio is not less than 6:1.
4. The material of claim 3, wherein the aspect ratio is not less than 9:1.
5. The material of claim 1, wherein the boehmite particulate material predominantly comprises platelet-shaped particles, having a secondary aspect ratio of not less than 3:1.
6. The material of claim 5, wherein the secondary aspect ratio is not less than 6:1.
7. The material of claim 6, wherein the secondary aspect ratio is not less than 10:1.
8. The material of claim 1, wherein the boehmite particulate material predominantly comprises needle-shaped particles.
9. The material of claim 8, wherein the needle-shaped particles have a secondary aspect ratio of not greater than 3:1.
10. The material of claim 9, wherein the secondary aspect ratio is not greater than 2:1.
11. The material of claim 1, wherein the average particle size is not greater than 1000 nm.
12. The material of claim 11, wherein the average particle size is between about 100 and 1000nm.
13. The material of claim 11, wherein the average particle size is not greater than 800 nm.
14. The material of claim 13, wherein the average particle size is not greater than 600 nm.
15. The material of claim 14, wherein the average particle size is not greater than 500 nm.
16. The material of claim 15, wherein the average particle size is not greater than 400 nm.
17. The material of claim 16, wherein the average particle size is not greater than 300 nm.
18. The material of claim 1, wherein the boehmite particulate material has a specific surface area of not less than about 10 m2/g.
19. The material of claim 18, wherein the specific surface area of not less than about 50 m2/g.
20. The material of claim 19, wherein the specific surface area of not less than about 70 m2/g.
21. The material of claim 20, wherein the specific surface area of not greater than about 400 m2/g.
22. Boehmite particulate material formed by seeded processing in which a boehmite precursor is processed into boehmite by introduction of boehmite seed material and subsequent heat treatment, the boehmite particulate material having an aspect ratio of not less than 3:1.
23. The material of claim 22, wherein the aspect ratio is not less than 4:1.
24. The material of claim 23, wherein the aspect ratio is not less than 6:1.
25. The material of claim 24, wherein the aspect ratio is not less than 9:1.
26. The material of claim 22, wherein the boehmite particulate material predominantly comprises platelet-shaped particles, having a secondary aspect ratio of not less than 3:1.
27. The material of claim 26, wherein the secondary aspect ratio is not less than 6:1.
28. The material of claim 27, wherein the secondary aspect ratio is not less than 10:1.
29. The material of claim 22, wherein the boehmite particulate material predominantly comprises needle-shaped particles.
30. The material of claim 29, wherein the needle-shaped particles have a secondary aspect ratio of not greater than 3:1.
31. The material of claim 30, wherein the secondary aspect ratio is not greater than 2:1.
32. The material of claim 22, wherein the average particle size is not greater than 1000 nm.
33. The material of claim 32, wherein the average particle size is between about 100 and 1000nm.
34. The material of claim 32, wherein the average particle size is not greater than 800 nm.
35. The material of claim 34, wherein the average particle size is not greater than 600 nm.
36. The material of claim 35, wherein the average particle size is not greater than 500 nm.
37. The material of claim 36, wherein the average particle size is not greater than 400 nm.
38. The material of claim 37, wherein the average particle size is not greater than 300 nm.
39. The material of claim 22, wherein the boehmite particulate material has a specific surface area of not less than about 10 m2/g.
40. The material of claim 39, wherein the specific surface area of not less than about 50 m2/g.
41. The material of claim 40, wherein the specific surface area of not less than about 70 m2/g.
42. The material of claim 41, wherein the specific surface area of not greater than about 400 m2/g.
43. A method for forming boehmite particulate material, comprising:
providing a boehmite precursor and boehmite seeds in a suspension; and heat treating the suspension to convert the boehmite precursor into boehmite particulate material, the boehmite particulate material having an aspect ratio of not less than 3:1.
44. The method of claim 43, wherein heat treating is carried out at a temperature greater than about 120°C.
45. The method of claim 44, wherein heat treating is carried out at a temperature greater than about 130°C.
46. The method of claim 43, wherein heat treating is carried out at a pressure greater than about 85 psi (100psi).
47. The method of claim 43, wherein a weight ratio of boehmite precursor to boehmite seeds is not less 60:40.
48. The method of claim 47, wherein the weight ratio is not less than 80:20.
49. The method of claim 48, wherein a weight ratio of boehmite precursor to boehmite seeds is not greater than 98:2.
50. The method of claim 43, wherein the boehmite particulate material has an average particle size of not greater than about 1000 nm.
51. The method of claim 43, further including setting at least one of heat treatment temperature, type of acid or base in the suspension, or weight ratio of boehmite precursor to boehmite seeds such that the boehmite particulate material has an aspect ratio of not less than 3:1 and an average particle size not greater than 1000 nm.
52. The method of claim 51, wherein the acid or base is chosen from the group consisting of mineral acids, organic acids, halogen acids, acidic salts, amines, alkali hydroxides, alkaline hydroxides, and basic salts.
53. The method of claim 51, wherein setting includes modifying at least one of heat treatment temperature, type of acid or base, or ratio of boehmite precursor to boehmite seeds.
54. The method of claim 53, wherein the ratio of boehmite precursor to boehmite seeds is increased to increase aspect ratio, or decreased to decrease aspect ratio.
55. The method of claim 53, wherein the heat treatment temperature is increased to increase particle size, or decreased to reduce particle size.
56. The method of claim 53, wherein the type of acid or base is modified to modify aspect ratio.
57. Boehmite particulate material formed by a process, comprising:
providing a boehmite precursor and boehmite seeds in a suspension; and heat treating the suspension to convert the boehmite precursor into boehmite particulate material comprised of platelets, the boehmite particulate material having an aspect ratio of not less than 2:1.
58. The material of claim 57, wherein the platelets have a secondary aspect ratio of not less than 3:1.
59. The material of claim 58, wherein the platelets have a secondary aspect ratio of not less than 6:1.
CA002562502A 2004-04-13 2005-04-12 Seeded boehmite particulate material and methods for forming same Expired - Fee Related CA2562502C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US10/823,400 2004-04-13
US10/823,400 US20050227000A1 (en) 2004-04-13 2004-04-13 Surface coating solution
US10/845,764 2004-05-14
US10/845,764 US20040265219A1 (en) 2002-04-19 2004-05-14 Seeded boehmite particulate material and methods for forming same
PCT/US2005/012038 WO2005100244A2 (en) 2004-04-13 2005-04-12 Seeded boehmite particulate material and methods for forming same

Publications (2)

Publication Number Publication Date
CA2562502A1 true CA2562502A1 (en) 2005-10-27
CA2562502C CA2562502C (en) 2009-11-10

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CA002562502A Expired - Fee Related CA2562502C (en) 2004-04-13 2005-04-12 Seeded boehmite particulate material and methods for forming same

Country Status (11)

Country Link
US (1) US20040265219A1 (en)
EP (1) EP1735240B1 (en)
JP (1) JP5225673B2 (en)
KR (1) KR100793052B1 (en)
AU (1) AU2005233151B2 (en)
BR (1) BRPI0509875A (en)
CA (1) CA2562502C (en)
HK (1) HK1100389A1 (en)
MX (1) MXPA06011803A (en)
NO (1) NO20065164L (en)
WO (1) WO2005100244A2 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050124745A1 (en) * 2002-04-19 2005-06-09 Saint-Gobain Ceramics & Plastics, Inc. Flame retardant composites
PL372586A1 (en) 2002-04-19 2005-07-25 Saint-Gobain Ceramics & Plastics, Inc. Boehmite particles and polymer materials incorporating same
JP5460961B2 (en) * 2004-09-30 2014-04-02 キャボット コーポレイション Method for producing silica
US20060104895A1 (en) * 2004-11-18 2006-05-18 Saint-Gobain Ceramics & Plastics, Inc. Transitional alumina particulate materials having controlled morphology and processing for forming same
KR20070086876A (en) * 2004-12-01 2007-08-27 생-고뱅 세라믹스 앤드 플라스틱스, 인코포레이티드 Rubber formulation and methods for manufacturing same
JP2006160541A (en) * 2004-12-03 2006-06-22 Sumitomo Chemical Co Ltd Method for production of acicular aluminum hydroxide
US7479324B2 (en) * 2005-11-08 2009-01-20 Saint-Gobain Ceramics & Plastics, Inc. Pigments comprising alumina hydrate and a dye, and polymer composites formed thereof
US20080161471A1 (en) * 2006-02-10 2008-07-03 Mitsui Chemicals, Inc. Resin Composition for Sealing Material, Sealing Material, Sealing Method, and Electroluminescent Display
DE102006012268A1 (en) * 2006-03-15 2007-09-27 Nabaltec Ag Fine crystalline boehmite and process for its preparation
JP2008106100A (en) * 2006-10-24 2008-05-08 Sumitomo Chemical Co Ltd Crystalline thermoplastic resin composition
JP2008266614A (en) * 2007-03-23 2008-11-06 Sumitomo Chemical Co Ltd Boehmite-filled polypropylene resin composition and molded article formed therefrom
WO2009052395A1 (en) 2007-10-19 2009-04-23 Saint-Gobain Ceramics & Plastics, Inc. Applications of shaped nano alumina hydrate as barrier property enhancer in polymers
JP5265905B2 (en) * 2007-11-21 2013-08-14 河合石灰工業株式会社 Cubic boehmite
US8173099B2 (en) 2007-12-19 2012-05-08 Saint-Gobain Ceramics & Plastics, Inc. Method of forming a porous aluminous material
EP2234922B1 (en) 2007-12-28 2011-08-31 3M Innovative Properties Company Acicular boehmite nanoparticles
JP5324112B2 (en) * 2008-03-19 2013-10-23 関東電化工業株式会社 Boehmite fine particles and method for producing the same
JP5530672B2 (en) * 2008-08-18 2014-06-25 株式会社フジミインコーポレーテッド Method for producing boehmite particles and method for producing alumina particles
US8460768B2 (en) 2008-12-17 2013-06-11 Saint-Gobain Ceramics & Plastics, Inc. Applications of shaped nano alumina hydrate in inkjet paper
JP6786104B2 (en) * 2015-10-13 2020-11-18 大明化学工業株式会社 Plate-shaped boehmite and method for manufacturing plate-shaped boehmite
CN113023757A (en) * 2021-01-27 2021-06-25 三门峡义翔铝业有限公司 Process for preparing ultralow-sodium boehmite by hydrothermal method and ultralow-sodium boehmite

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2763620A (en) * 1951-12-05 1956-09-18 Du Pont Process for preparing alumina sols
US2915475A (en) * 1958-12-29 1959-12-01 Du Pont Fibrous alumina monohydrate and its production
US3357791A (en) * 1964-07-20 1967-12-12 Continental Oil Co Process for producing colloidal-size particles of alumina monohydrate
US3385663A (en) * 1964-07-31 1968-05-28 Du Pont Preparation of high surface area, waterdispersible alumina monohydrate from low surface area alumina trihydrate
US3387447A (en) * 1965-12-27 1968-06-11 Celanese Corp Traveler rings
JPS49125298A (en) * 1973-04-06 1974-11-30
US4117105A (en) * 1977-03-21 1978-09-26 Pq Corporation Process for preparing dispersible boehmite alumina
FR2449650A1 (en) * 1979-02-26 1980-09-19 Rhone Poulenc Ind PROCESS FOR THE PREPARATION OF ALUMINUM AT LEAST PARTIALLY IN THE FORM OF ULTRA-FINE BOEHMITE
FR2520722A1 (en) * 1982-01-29 1983-08-05 Rhone Poulenc Spec Chim BOEHMITES AND PSEUDO-
US5194243A (en) * 1983-09-22 1993-03-16 Aluminum Company Of America Production of aluminum compound
DE3512404A1 (en) * 1985-04-04 1986-10-09 Vereinigte Aluminium-Werke AG, 1000 Berlin und 5300 Bonn METHOD FOR REDUCING THE ORGANIC COMPONENTS IN ALUMINATE LIQUIDS
US4797139A (en) * 1987-08-11 1989-01-10 Norton Company Boehmite produced by a seeded hydyothermal process and ceramic bodies produced therefrom
DE3817251A1 (en) * 1988-05-20 1989-11-23 Condea Chemie Gmbh PAINT-TREATMENT AND SEDIMENTATION AGENTS
DE4118564A1 (en) * 1991-06-06 1992-12-17 Vaw Ver Aluminium Werke Ag PART CRYSTALLINE TRANSITIONAL ALUMINUM OXIDES, METHOD FOR THE PRODUCTION THEREOF AND THE USE THEREOF FOR THE PRODUCTION OF MOLDED BODIES THAT ARE MAINLY FROM GAMMA-AL (DOWN ARROW) 2 (DOWN ARROW) O (DOWN ARROW) 3
DE4131986A1 (en) * 1991-09-26 1993-04-01 Basf Ag UNINFORCED POLYAMIDE MOLDS
JP2887023B2 (en) * 1992-03-30 1999-04-26 ワイケイケイ株式会社 Fine plate-like boehmite particles and method for producing the same
WO1995011270A1 (en) * 1993-10-21 1995-04-27 Vista Chemical Company Alumina thickened latex formulations
JP2887098B2 (en) * 1994-10-26 1999-04-26 キヤノン株式会社 Recording medium, manufacturing method thereof, and image forming method
JP2921785B2 (en) * 1995-04-05 1999-07-19 キヤノン株式会社 Recording medium, method for manufacturing the medium, and image forming method
FR2749313A1 (en) * 1996-05-28 1997-12-05 Michelin & Cie DIENE RUBBER COMPOSITION BASED ON ALUMINA AS A REINFORCING FILLER AND ITS USE FOR THE MANUFACTURE OF TIRE COVERS
US5989515A (en) * 1996-07-24 1999-11-23 Nissan Chemical Industries, Ltd. Process for producing an acidic aqueous alumina sol
DE19632447C2 (en) * 1996-08-12 2000-06-15 Wabe Wasseraufbereitung Gmbh Elimination device
DE19722750C2 (en) * 1997-05-30 2001-07-19 Rwe Dea Ag Use of a composition as a paint detackifier and sedimentation agent
FR2764213B1 (en) * 1997-06-10 1999-07-16 Inst Francais Du Petrole HYDROCARBON CHARGE HYDROTREATMENT CATALYST IN A FIXED BED REACTOR
EP1034135B1 (en) * 1997-11-28 2005-11-16 Compagnie Générale des Etablissements MICHELIN-MICHELIN & CIE Reinforcing aluminous filler and rubber composition comprising such a filler
TW555696B (en) * 1998-01-08 2003-10-01 Nissan Chemical Ind Ltd Alumina powder, process for producing the same and polishing composition
DE19812279C1 (en) * 1998-03-20 1999-05-12 Nabaltec Gmbh Flame resistant polymer mixture
JP3283475B2 (en) * 1998-09-16 2002-05-20 河合石灰工業株式会社 Plate-like boehmite, plate-like alumina, and methods for producing them
CN1145666C (en) * 1999-05-28 2004-04-14 米凯林技术公司 Diene elastomer and reinforcing titanium oxide based rubber compsn. for pneumatic tyre
KR20010021420A (en) * 1999-08-30 2001-03-15 고사이 아끼오 Boehmite and base coat layer for magnetic recording medium
US6413308B1 (en) * 1999-10-15 2002-07-02 J. M. Huber Corporation Structured boehmite pigment and method for making same
EP1120281B1 (en) * 2000-01-28 2006-05-24 Oji Paper Company Limited Ink jet recording material
US6706660B2 (en) * 2001-12-18 2004-03-16 Caterpillar Inc Metal/metal oxide doped oxide catalysts having high deNOx selectivity for lean NOx exhaust aftertreatment systems
PL372586A1 (en) * 2002-04-19 2005-07-25 Saint-Gobain Ceramics & Plastics, Inc. Boehmite particles and polymer materials incorporating same
US20050124745A1 (en) * 2002-04-19 2005-06-09 Saint-Gobain Ceramics & Plastics, Inc. Flame retardant composites
JP2004059643A (en) * 2002-07-25 2004-02-26 Mitsubishi Gas Chem Co Inc Prepreg and laminated plate

Also Published As

Publication number Publication date
JP5225673B2 (en) 2013-07-03
HK1100389A1 (en) 2007-09-21
EP1735240A2 (en) 2006-12-27
JP2007532467A (en) 2007-11-15
MXPA06011803A (en) 2006-12-15
CA2562502C (en) 2009-11-10
BRPI0509875A (en) 2007-10-16
AU2005233151A1 (en) 2005-10-27
EP1735240B1 (en) 2011-07-27
US20040265219A1 (en) 2004-12-30
KR20070028370A (en) 2007-03-12
NO20065164L (en) 2007-01-04
KR100793052B1 (en) 2008-01-10
AU2005233151B2 (en) 2008-04-03
WO2005100244A2 (en) 2005-10-27
WO2005100244A3 (en) 2006-08-03

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EEER Examination request
MKLA Lapsed

Effective date: 20150413