CH189156A - Process for the production of security paper. - Google Patents

Process for the production of security paper.

Info

Publication number
CH189156A
CH189156A CH189156DA CH189156A CH 189156 A CH189156 A CH 189156A CH 189156D A CH189156D A CH 189156DA CH 189156 A CH189156 A CH 189156A
Authority
CH
Switzerland
Prior art keywords
production
security paper
security
paper
Prior art date
Application number
Other languages
German (de)
Inventor
Bausch Firma Felix Schoeller
Original Assignee
Felix Schoeller & Bausch Fa
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 Felix Schoeller & Bausch Fa filed Critical Felix Schoeller & Bausch Fa
Publication of CH189156A publication Critical patent/CH189156A/en

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
    • D21H21/46—Elements suited for chemical verification or impeding chemical tampering, e.g. by use of eradicators
    • 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.]
CH189156D 1934-02-08 1936-05-16 Process for the production of security paper. CH189156A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET43582D DE660599C (en) 1934-02-08 1934-02-08 Process for the production of security paper

Publications (1)

Publication Number Publication Date
CH189156A true CH189156A (en) 1937-05-01

Family

ID=26000533

Family Applications (1)

Application Number Title Priority Date Filing Date
CH189156D CH189156A (en) 1934-02-08 1936-05-16 Process for the production of security paper.

Country Status (5)

Country Link
US (1) US2112756A (en)
CH (1) CH189156A (en)
DE (1) DE660599C (en)
FR (1) FR806717A (en)
GB (1) GB460405A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL264698A (en) * 1960-02-19
FR2620146B1 (en) * 1987-09-03 1991-10-04 Arjomari Prioux MEANS, PAPER AND SECURITY DOCUMENT AGAINST CHEMICAL FALSIFICATION AND COUNTERFEITING
GB2496127A (en) 2011-10-31 2013-05-08 Aidc Global Ltd A randomly generated identification mark

Also Published As

Publication number Publication date
DE660599C (en) 1938-05-31
FR806717A (en) 1936-12-23
US2112756A (en) 1938-03-29
GB460405A (en) 1937-01-27

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