GB500151A - Improvements in coated paper - Google Patents

Improvements in coated paper

Info

Publication number
GB500151A
GB500151A GB1069738A GB1069738A GB500151A GB 500151 A GB500151 A GB 500151A GB 1069738 A GB1069738 A GB 1069738A GB 1069738 A GB1069738 A GB 1069738A GB 500151 A GB500151 A GB 500151A
Authority
GB
United Kingdom
Prior art keywords
light
group viii
marking
coated paper
ink
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
GB1069738A
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.)
SAMUEL SAUL HIMMELL
Original Assignee
SAMUEL SAUL HIMMELL
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 SAMUEL SAUL HIMMELL filed Critical SAMUEL SAUL HIMMELL
Priority to GB1069738A priority Critical patent/GB500151A/en
Publication of GB500151A publication Critical patent/GB500151A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Paper (AREA)

Abstract

500,151. Hidden printing. HIMMELL, S. S. April 7, 1938, No. 10697. [Class 100 (ii)] [Also in Group VIII] An identifying marking is printed in white or light-coloured ink on light-permeable paper subsequently coated with material such that the marking is visible only by transmitted light. The ink may include titanium oxide, zinc sulphide, aluminium powder, &c. and may be applied at the paper-making machine. Specification 375,624, [Group VIII], is referred to.
GB1069738A 1938-04-07 1938-04-07 Improvements in coated paper Expired GB500151A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1069738A GB500151A (en) 1938-04-07 1938-04-07 Improvements in coated paper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1069738A GB500151A (en) 1938-04-07 1938-04-07 Improvements in coated paper

Publications (1)

Publication Number Publication Date
GB500151A true GB500151A (en) 1939-02-03

Family

ID=9972631

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1069738A Expired GB500151A (en) 1938-04-07 1938-04-07 Improvements in coated paper

Country Status (1)

Country Link
GB (1) GB500151A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2654170A (en) * 1949-01-17 1953-10-06 Minnesota Mining & Mfg Disintegrable label and washable container labeled therewith
WO1990013877A1 (en) * 1989-05-12 1990-11-15 Gao, Gesellschaft Für Automation Und Organisation Mbh Security document with embedded security element with visually and mechanically verifiable distinguishing signs
WO1996028611A1 (en) * 1995-03-13 1996-09-19 Arjo Wiggins S.A. Security paper with conductive fibres detectable by microwave radiation and method for making same
FR2731721A1 (en) * 1995-03-13 1996-09-20 Arjo Wiggins Sa Security paper contg. electroconductive fibres
WO1996037656A1 (en) * 1995-05-24 1996-11-28 Arjo Wiggins S.A. Security paper

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2654170A (en) * 1949-01-17 1953-10-06 Minnesota Mining & Mfg Disintegrable label and washable container labeled therewith
WO1990013877A1 (en) * 1989-05-12 1990-11-15 Gao, Gesellschaft Für Automation Und Organisation Mbh Security document with embedded security element with visually and mechanically verifiable distinguishing signs
US5176405A (en) * 1989-05-12 1993-01-05 Gao, Gesellschaft Fur Automation Und Organisation Mbh Security document having a security element embedded therein with visually and machine-testable marks
WO1996028611A1 (en) * 1995-03-13 1996-09-19 Arjo Wiggins S.A. Security paper with conductive fibres detectable by microwave radiation and method for making same
FR2731721A1 (en) * 1995-03-13 1996-09-20 Arjo Wiggins Sa Security paper contg. electroconductive fibres
WO1996037656A1 (en) * 1995-05-24 1996-11-28 Arjo Wiggins S.A. Security paper

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