AT132051B - Process for the production of security paper. - Google Patents

Process for the production of security paper.

Info

Publication number
AT132051B
AT132051B AT132051DA AT132051B AT 132051 B AT132051 B AT 132051B AT 132051D A AT132051D A AT 132051DA AT 132051 B AT132051 B AT 132051B
Authority
AT
Austria
Prior art keywords
production
security paper
security
paper
Prior art date
Application number
Other languages
German (de)
Original Assignee
Felix Schoeller & Bausch
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 filed Critical Felix Schoeller & Bausch
Application granted granted Critical
Publication of AT132051B publication Critical patent/AT132051B/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
AT132051D 1930-10-08 1931-10-05 Process for the production of security paper. AT132051B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE582530T 1930-10-08

Publications (1)

Publication Number Publication Date
AT132051B true AT132051B (en) 1933-02-25

Family

ID=6344578

Family Applications (1)

Application Number Title Priority Date Filing Date
AT132051D AT132051B (en) 1930-10-08 1931-10-05 Process for the production of security paper.

Country Status (4)

Country Link
US (1) US1864116A (en)
AT (1) AT132051B (en)
DE (1) DE582530C (en)
GB (1) GB378694A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2622491A (en) * 1948-10-04 1952-12-23 Patent & Licensing Corp Process of making multiply waterproofed sheets
NL264698A (en) * 1960-02-19
US3326744A (en) * 1963-03-01 1967-06-20 Eastman Kodak Co Stain-free paper sized with starch or gelatin and aromatic organic acids
FR2647820B1 (en) * 1989-06-01 1991-09-20 Aussedat Rey INFALSIFIABLE SECURITY PAPER AND AQUEOUS OR ORGANIC COMPOSITION USEFUL, IN PARTICULAR FOR MAKING PAPER INFALSIFIABLE
FR2650606B1 (en) * 1989-08-07 1992-04-30 Aussedat Rey INFALSIFIABLE SECURITY PAPER AND AQUEOUS OR ORGANIC COMPOSITION USEFUL, IN PARTICULAR FOR MAKING PAPER INFALSIFIABLE

Also Published As

Publication number Publication date
GB378694A (en) 1932-08-18
US1864116A (en) 1932-06-21
DE582530C (en) 1933-08-16

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