GB1435686A - Coated paper - Google Patents

Coated paper

Info

Publication number
GB1435686A
GB1435686A GB4957171A GB4957171A GB1435686A GB 1435686 A GB1435686 A GB 1435686A GB 4957171 A GB4957171 A GB 4957171A GB 4957171 A GB4957171 A GB 4957171A GB 1435686 A GB1435686 A GB 1435686A
Authority
GB
Grant status
Application
Patent type
Prior art keywords
paper
coating
top
base
layer
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.)
Expired
Application number
GB4957171A
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.)
CULTER GUARD BRIDGE HOLDINGS L
CULTER GUARD BRIDGE HOLDINGS Ltd
Original Assignee
CULTER GUARD BRIDGE HOLDINGS L
CULTER GUARD BRIDGE HOLDINGS Ltd
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

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H21/00Non-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
    • D21H21/14Non-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
    • D21H21/40Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • D21H21/44Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods

Abstract

1435686 Security paper CULTER GUARD BRIDGE HOLDINGS Ltd 25 June 1973 [26 April 1972] 49571/71 Heading B6A [Also in Division B2] Security paper which is tamperproof to alteration involving abrasion of its surface comprises a paper base layer and an abradable top coating of a non-metallic pigment dispersed in a binder, the top coating being not readily transferred to other surfaces by the action of pressure alone and the top coating and base layer having contrasting appearance when suitably illuminated so that alteration involving abrasion of the top coating can be visually detected. The paper may be coated on both sides, be carbonized on one side, be covered with transparent or windowed protective sheets, held in a protective envelope or be incorporated into a pad including conventional paper sheets and carbons. The pigment may be china clay or titanium dioxide and the binder starch, casein, acrylic, styrene/acrylic or styrene/ butadiene. The base layer, may be a dyed portion of the paper and may include a fluorescent material which is visible through an abraded coating when viewed in ultra-violet light. The top coating may include material which loses or changes its colour on contact with an ink solvent, and a fluorescent material which contrasts with fluorescent material in the base layer when viewed in ultra-violet light.
GB4957171A 1972-04-26 1972-04-26 Coated paper Expired GB1435686A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4957171A GB1435686A (en) 1972-04-26 1972-04-26 Coated paper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4957171A GB1435686A (en) 1972-04-26 1972-04-26 Coated paper

Publications (1)

Publication Number Publication Date
GB1435686A true true GB1435686A (en) 1976-05-12

Family

ID=10452781

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4957171A Expired GB1435686A (en) 1972-04-26 1972-04-26 Coated paper

Country Status (1)

Country Link
GB (1) GB1435686A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2122545A (en) * 1982-06-26 1984-01-18 Coated Papers Limited Security paper
US4614367A (en) * 1982-06-17 1986-09-30 Rand Mcnally & Co. Tamper-resisting multipart negotiable instruments
US4725497A (en) * 1985-01-21 1988-02-16 Societe Anonyme: Aussedat-Rey Unfalsifiable safety paper
US4863783A (en) * 1985-12-05 1989-09-05 The Wiggins Teape Group Limited Security paper
EP0428489A1 (en) * 1989-11-14 1991-05-22 Ab Tumba Bruk The use of a coated paper for the manufacture of an instant lottery ticket
US5114782A (en) * 1989-11-09 1992-05-19 Kisokaseisangyou Co., Ltd. Processed paper for documents protected from being reproduced
US5208110A (en) * 1988-06-21 1993-05-04 Ciba-Geigy Corporation Security cards
GB2287674A (en) * 1994-03-22 1995-09-27 Signe Sa Safety paper for use against the duplication and/or fraudulent modification of security documents.
GB2321471A (en) * 1997-01-22 1998-07-29 Aussedat Rey Sa Opaque security paper authenticatable by tearing, e.g. for scratch cards
ES2142734A1 (en) * 1997-10-24 2000-04-16 Signe Sa Process for printing security graphics on laminar elements
EP1447474A1 (en) * 2003-02-11 2004-08-18 Industrias de Hijos de Antonio Fabregas, S.A. Security paper
US8852396B2 (en) 2006-02-09 2014-10-07 Arjowiggins Security Sheet material comprising at least one watermark having a colored shade

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4614367A (en) * 1982-06-17 1986-09-30 Rand Mcnally & Co. Tamper-resisting multipart negotiable instruments
GB2122545A (en) * 1982-06-26 1984-01-18 Coated Papers Limited Security paper
US4725497A (en) * 1985-01-21 1988-02-16 Societe Anonyme: Aussedat-Rey Unfalsifiable safety paper
US4863783A (en) * 1985-12-05 1989-09-05 The Wiggins Teape Group Limited Security paper
US5208110A (en) * 1988-06-21 1993-05-04 Ciba-Geigy Corporation Security cards
US5114782A (en) * 1989-11-09 1992-05-19 Kisokaseisangyou Co., Ltd. Processed paper for documents protected from being reproduced
EP0428489A1 (en) * 1989-11-14 1991-05-22 Ab Tumba Bruk The use of a coated paper for the manufacture of an instant lottery ticket
US5213664A (en) * 1989-11-14 1993-05-25 Ab Tumba Bruk Lottery tickets and paper
US5407535A (en) * 1989-11-14 1995-04-18 Abtumba Bruk Manufacture of lottery tickets
GB2287674A (en) * 1994-03-22 1995-09-27 Signe Sa Safety paper for use against the duplication and/or fraudulent modification of security documents.
GB2321471A (en) * 1997-01-22 1998-07-29 Aussedat Rey Sa Opaque security paper authenticatable by tearing, e.g. for scratch cards
GB2321471B (en) * 1997-01-22 2001-06-27 Aussedat Rey Sa Opaque security paper authenticatable by tearing, scratch cards made from said paper, and process for its manufacture
ES2142734A1 (en) * 1997-10-24 2000-04-16 Signe Sa Process for printing security graphics on laminar elements
EP1447474A1 (en) * 2003-02-11 2004-08-18 Industrias de Hijos de Antonio Fabregas, S.A. Security paper
ES2238895A1 (en) * 2003-02-11 2005-09-01 Industrias De Hijos De Antonio Fabregas, S.A. Security paper.
US8852396B2 (en) 2006-02-09 2014-10-07 Arjowiggins Security Sheet material comprising at least one watermark having a colored shade

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Legal Events

Date Code Title Description
PS Patent sealed