WO2017068440A1 - High tear resistant paper comprising means for determinining authenticity - Google Patents

High tear resistant paper comprising means for determinining authenticity Download PDF

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Publication number
WO2017068440A1
WO2017068440A1 PCT/IB2016/055232 IB2016055232W WO2017068440A1 WO 2017068440 A1 WO2017068440 A1 WO 2017068440A1 IB 2016055232 W IB2016055232 W IB 2016055232W WO 2017068440 A1 WO2017068440 A1 WO 2017068440A1
Authority
WO
WIPO (PCT)
Prior art keywords
paper
tear resistant
high tear
resistant paper
layers
Prior art date
Application number
PCT/IB2016/055232
Other languages
French (fr)
Inventor
Manoj MALPANI
Original Assignee
Malpani Manoj
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
Application filed by Malpani Manoj filed Critical Malpani Manoj
Publication of WO2017068440A1 publication Critical patent/WO2017068440A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/02—Layered products comprising a layer of paper or cardboard next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/06—Layered products comprising a layer of paper or cardboard specially treated, e.g. surfaced, parchmentised
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/378—Special inks
    • B42D25/387—Special inks absorbing or reflecting ultraviolet light
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H13/26—Polyamides; Polyimides
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D21H27/38—Multi-ply at least one of the sheets having a fibrous composition differing from that of other sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/582—Tearability
    • B32B2307/5825—Tear resistant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/718—Weight, e.g. weight per square meter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/73—Hydrophobic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/75—Printability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2554/00—Paper of special types, e.g. banknotes
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation

Definitions

  • the high tear resistant paper further includes a base paper treated to make it fungus resistant and the invisible nano particles are embedded in the base paper for authentication and by placing detector on the base paper for identifying nano particles by appearing green flashes and the distinct beep sound may be heard from the detector.
  • FIG. IB illustrates a detector placed on the high tear resistance paper for detecting particles, in accordance with an exemplary embodiment of the present disclosure.

Abstract

Exemplary embodiments of the present disclosure are directed towards a high tear resistant paper comprising means for determining authenticity, the high tear resistant paper comprising: two or more layers configured to furnish high resistant for preventing the paper from fragmentation. A polyester material positioned between the two or more layers of the tear resistant paper configured to furnish water resistant for preventing the paper from fragmentation. The high tear resistant paper further comprising a paper is included in one or more layers treated to make it fungus resistant and the invisible nano particles are embedded in the paper for determining authenticity, whereby placing detector on the paper identifies the presence of nano particles.

Description

HIGH TEAR RESISTANT PAPER COMPRISING MEANS FOR
DETERMININING AUTHENTICITY
TECHNICAL FIELD
[001] The present disclosure generally relates to the field of high tear resistant papers. More particularly, the present disclosure relates to a high tear resistant paper comprising means for determinining authenticity.
BACKGROUND
[002] Paper refers to wide variety of cellulose based sheet materials used for writing, printing and packaging. Paper may be used for as catalogues certificates, in books and the like without limiting applications. Generally security papers have been included in fibrous materials in various shapes, colour particles, silk threads, particles containing certain inorganic substances, fluorescent fibers, metalized fibers, metal wires, various non-fibrous thermoplastic materials and the like. The synthetic fibers have not found in security papers because of specific requirements of security papers.
[003] Generally, tear resistant papers are designed with high demands for strength and durability for packaging products. Existence of duplicate papers are increasing in the market along with original papers. Identification of original or duplicate papers is difficult for the users because appearance of both the papers is same.
[004] In the light of aforementioned discussion there exists a need for a high tear resistant paper comprising means for determining authenticity.
BRIEF SUMMARY
[005] The following presents a simplified summary of the disclosure in order to provide a basic understanding to the reader. This summary is not an extensive overview of the disclosure and it does not identify key/critical elements of the invention or delineate the scope of the invention. Its sole purpose is to present some concepts disclosed herein in a simplified form as a prelude to the more detailed description that is presented later. [006] Exemplary embodiments of the present disclosure are directed towards high tear resistant paper comprising means for determinining authenticity.
[007] Another exemplary embodiment of the present disclosure is directed towards a high tear resistant paper which is compatible to all kind of writing and printing processes.
[008] According to an exemplary embodiment, the high tear resistant paper includes a polyester material positioned between the two or more layers of the tear resistant paper configured to furnish water resistant for preventing the paper from fragmentation.
[009] According to an exemplary embodiment, the high tear resistant paper further includes a base paper treated to make it fungus resistant and the invisible nano particles are embedded in the base paper for authentication and by placing detector on the base paper for identifying nano particles by appearing green flashes and the distinct beep sound may be heard from the detector.
BRIEF DESCRIPTION OF DRAWINGS
[0010] Other objects and advantages of the present invention will become apparent to those skilled in the art upon reading the following detailed description of the preferred embodiments, in conjunction with the accompanying drawings, wherein like reference numerals have been used to designate like elements, and wherein:
[0011] FIG. 1 A illustrates a layers of high tear resistance paper contains a polyester material between the layers, in accordance with an exemplary embodiment of the present disclosure.
[0012] FIG. IB illustrates a detector placed on the high tear resistance paper for detecting particles, in accordance with an exemplary embodiment of the present disclosure.
DETAILED DESCRIPTION
[0013] It is to be understood that the present disclosure is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the drawings. The present disclosure is capable of other embodiments and of being practiced or of being carried out in various ways. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting.
[0014] The use of "including", "comprising" or "having" and variations thereof herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. The terms "a" and "an" herein do not denote a limitation of quantity, but rather denote the presence of at least one of the referenced item. Further, the use of terms "first", "second", and "third", and the like, herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.
[0015] Referring to FIG. 1 A is a diagram 100a depicting layers of high tear resistant paper, according to exemplary embodiment of the present disclosure. The high tear resistant paper for example may include two layers 102a, 102b and a polyester material 104.
[0016] The two layers of the tear resistant paper may be referred as top layer 102a and the bottom layer 102b. The top layer 102a and the bottom layer 102b are furnished to provide high resistance for preventing from fragmentation. The polyester material 104 is placed between the top layer 102a and the bottom layer 102b to provide water resistant for preventing the paper from fragmentation.
[0017] According to a non limiting exemplary embodiment of the present disclosure, the high tear resistant paper contains the paper with invisible ultra violet fibers included in the bottom layer 102b and cotton content from 20 to 25percent with chemical sensitized. The dimension of the invisible fibers may be 3mm to 4mm length and the density of the invisible fibers may be 18 to 20 fibers per square surface of paper. The high tear resistance paper 100a comprising the two layers 102a and 102b made of soft wood and hard wood and the paper weight ranges between 45 to 160 grams per square meter.
[0018] According to a non limiting exemplary embodiment of the present disclosure, the two layers of the tear resistance paper 102a and 102b is sensitive to chemicals which are acetone, trichloroethylene, touline, 5% solution sulphuric acid, ethyl acetate, butyl alcohol, carbon tetrachloride, 5% solution sodium hydrochloride, 2% solution sodium / potassium hydroxide and similar alkaline solutions, methyl ethyl ketone, ethylene glycol, benzyl alcohol, chloroform, and xylene. The paper is treated to make it fungus resistant. For example the data printed over the paper is not effected even if it comes in to contact with water maximum 6 hrs, since it has water proof material.
[0019] According to a non limiting exemplary embodiment of the present disclosure, the high tear resistant paper 100 is compatible to all kind of writing and printing processes and also provides fungus resistant. The high tear resistant papers are also suitable for digital copiers, laser printers, offset and plain printing with fade and scuff resistant.
[0020] Referring to FIG. IB is a diagram 200 depicting a detector 202 configured to detect the particles on the tear resistant paper, according to exemplary embodiment of the present disclosure. Invisible nano particles are embedded in the two layers of the tear resistance paperl02a and 102b. The invisible nano particles are detected through the detector 202. Placing the detector 202 on the paper for detects the presence of nano particles by flashing a light and the distinct beep sound may be heard from the detector 202 for confirming the presence of nano particles and thereby determining the authenticity of the paper.
[0021] As further shown in FIG. 1A and FIG. IB the high tear resistant paper contains a property of weight ranging between 100 to 350 grams for square meter. This high tear resistant paper is useful for maps, property registration documents, maintenance sheets or books, instruction manuals, plans and technical drawings, menus, tags and any application where there is need for long-lasting performance. The tear resistance paper is suitable for use in extreme weather conditions, as well as water proof.
[0022] Although the present disclosure has been described in terms of certain preferred embodiments and illustrations thereof, other embodiments and modifications to preferred embodiments may be possible that are within the principles and spirit of the invention. The above descriptions and figures are therefore to be regarded as illustrative and not restrictive.
[0023] Thus the scope of the present disclosure is defined by the appended claims and includes both combinations and sub combinations of the various features described herein above as well as variations and modifications thereof, which would occur to persons skilled in the art upon reading the foregoing description.

Claims

CLAIMS What is claimed is:
1. A high tear resistant paper comprising means for determining authenticity, comprising: two or more layers configured to enable high resistance; a polyester material positioned between the two or more layers of the tear resistant paper configured to furnish water resistant for preventing the paper from fragmentation. a paper included in one or more layers treated to make it fungus resistant and the invisible nano particles are embedded in the paper for determining authenticity whereby placing detector on the paper identifies the presence of nano particles;
2. The high tear resistant paper of claim 1, wherein the polyester material positioned between the two or more layers forms the high tear resistant paper compatible to all kind of writing and printing processes.
3. The high tear resistant paper of claim 1, further comprising a water proof material on the paper due to this paper with printed data can contact with water maximum time then the data printed over the paper is not effected.
4. The high tear resistant paper of claim 1, wherein the two or more layers of the high tear resistant paper to provide termite and fungus resistant.
5. The high tear resistant paper of claim 1, wherein the two or more layers of the high tear resistant paper contains multi-color invisible ultra violet fibers and chemical sensitized paper providing a secure printing of the data.
6. The high tear resistant paper of claim 1, wherein the paper contains invisible ultra violet fibers and the paper sensitive to chemicals are acetone, trichloroethylene, touline, 5% solution sulphuric acid, ethyl acetate, butyl alcohol, carbon tetrachloride, 5% solution sodium hydrochloride, 2% solution sodium / potassium hydroxide and similar alkaline solutions, methyl ethyl ketone, ethylene glycol, benzyl alcohol, chloroform, and xylene.
1 The high tear resistant paper of claim 1, comprising cotton content positioned between the two or more layers of the high tear resistant paper..
The high tear resistant paper of claim 1, wherein the high tear resistant paper weight ranging between 100 to 350 grams per square meter.
The high tear resistant paper of claim 1, wherein the paper weight ranging between 45 to 160 grams per square meter.
PCT/IB2016/055232 2015-10-24 2016-09-01 High tear resistant paper comprising means for determinining authenticity WO2017068440A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN5711CH2015 2015-10-24
IN5711/CHE/2015 2015-10-24

Publications (1)

Publication Number Publication Date
WO2017068440A1 true WO2017068440A1 (en) 2017-04-27

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ID=58556757

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PCT/IB2016/055232 WO2017068440A1 (en) 2015-10-24 2016-09-01 High tear resistant paper comprising means for determinining authenticity

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114434934A (en) * 2020-11-03 2022-05-06 南亚塑胶工业股份有限公司 Information security paper

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2241966A (en) * 1990-03-15 1991-09-18 Nacional Moneda Timbre Process for the manufacture of paper
CA2591982A1 (en) * 2004-12-23 2006-06-29 Landqart Multilayer structure as a printing substrate and method for the production thereof
US20060198987A1 (en) * 2003-02-27 2006-09-07 Landqart Multiple layer laminate
US20070164556A1 (en) * 2003-12-30 2007-07-19 Arjowiggins Security paper highly resistant to double folding and method for making same
WO2011061359A2 (en) * 2009-10-19 2011-05-26 Universidad De Zaragoza Object authentication system and method
WO2012172018A1 (en) * 2011-06-15 2012-12-20 Fábrica Nacional De Moneda Y Timbre - Real Casa De La Moneda Use of luminescent nanosystems for authenticating security documents

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2241966A (en) * 1990-03-15 1991-09-18 Nacional Moneda Timbre Process for the manufacture of paper
US20060198987A1 (en) * 2003-02-27 2006-09-07 Landqart Multiple layer laminate
US20070164556A1 (en) * 2003-12-30 2007-07-19 Arjowiggins Security paper highly resistant to double folding and method for making same
CA2591982A1 (en) * 2004-12-23 2006-06-29 Landqart Multilayer structure as a printing substrate and method for the production thereof
WO2011061359A2 (en) * 2009-10-19 2011-05-26 Universidad De Zaragoza Object authentication system and method
WO2012172018A1 (en) * 2011-06-15 2012-12-20 Fábrica Nacional De Moneda Y Timbre - Real Casa De La Moneda Use of luminescent nanosystems for authenticating security documents

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114434934A (en) * 2020-11-03 2022-05-06 南亚塑胶工业股份有限公司 Information security paper

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