FR771472A - Perfectionnements apportés aux papiers anti-fraude - Google Patents

Perfectionnements apportés aux papiers anti-fraude

Info

Publication number
FR771472A
FR771472A FR771472DA FR771472A FR 771472 A FR771472 A FR 771472A FR 771472D A FR771472D A FR 771472DA FR 771472 A FR771472 A FR 771472A
Authority
FR
France
Prior art keywords
fraud
papers
fraud papers
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
Other languages
English (en)
Inventor
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 filed Critical
Application granted granted Critical
Publication of FR771472A publication Critical patent/FR771472A/fr
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
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24835—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including developable image or soluble portion in coating or impregnation [e.g., safety paper, etc.]
FR771472D 1933-04-11 1934-04-09 Perfectionnements apportés aux papiers anti-fraude Expired FR771472A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US665528A US1998237A (en) 1933-04-11 1933-04-11 Safety paper

Publications (1)

Publication Number Publication Date
FR771472A true FR771472A (fr) 1934-10-09

Family

ID=24670471

Family Applications (1)

Application Number Title Priority Date Filing Date
FR771472D Expired FR771472A (fr) 1933-04-11 1934-04-09 Perfectionnements apportés aux papiers anti-fraude

Country Status (2)

Country Link
US (1) US1998237A (fr)
FR (1) FR771472A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2657157A (en) * 1950-06-02 1953-10-27 American Viscose Corp Ink transfer element
US2920202A (en) * 1955-04-11 1960-01-05 Lof Glass Fibers Co Identification of glass fiber mats
BE656943A (fr) * 1960-12-27
US5344192A (en) * 1993-04-01 1994-09-06 Phillips George K Visual validation mark for bank checks and other security documents
US5772248A (en) * 1995-12-07 1998-06-30 Verify First Technologies, Inc. Document with tamper and counterfeit resistant relief markings
US5704651A (en) * 1995-05-25 1998-01-06 Verify First Technologies, Inc. Counterfeit resistant documents and methods
US5873604A (en) * 1995-05-25 1999-02-23 Verify First Technologies, Inc. Document security system having thermo-activated pantograph and validation mark
US5762378A (en) * 1996-02-16 1998-06-09 Verify First Technologies, Inc. Tamper resistant validation marks

Also Published As

Publication number Publication date
US1998237A (en) 1935-04-16

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