FR549884A - Improvements to security papers and process for manufacturing them - Google Patents

Improvements to security papers and process for manufacturing them

Info

Publication number
FR549884A
FR549884A FR549884DA FR549884A FR 549884 A FR549884 A FR 549884A FR 549884D A FR549884D A FR 549884DA FR 549884 A FR549884 A FR 549884A
Authority
FR
France
Prior art keywords
manufacturing
security papers
papers
security
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
French (fr)
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.)
TODD PROTECTOGRAPH Co
Original Assignee
TODD PROTECTOGRAPH Co
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 TODD PROTECTOGRAPH Co filed Critical TODD PROTECTOGRAPH Co
Application granted granted Critical
Publication of FR549884A publication Critical patent/FR549884A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Credit Cards Or The Like (AREA)
  • Printing Methods (AREA)
FR549884D 1922-01-27 1922-04-07 Improvements to security papers and process for manufacturing them Expired FR549884A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US532334A US1675769A (en) 1922-01-27 1922-01-27 Protective paper and method of making the same

Publications (1)

Publication Number Publication Date
FR549884A true FR549884A (en) 1923-02-21

Family

ID=9862036

Family Applications (1)

Application Number Title Priority Date Filing Date
FR549884D Expired FR549884A (en) 1922-01-27 1922-04-07 Improvements to security papers and process for manufacturing them

Country Status (5)

Country Link
US (1) US1675769A (en)
CH (1) CH102759A (en)
FR (1) FR549884A (en)
GB (1) GB199806A (en)
NL (1) NL11064C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733656A (en) * 1956-02-07 Gottsching
US4175774A (en) * 1978-03-23 1979-11-27 American Standard Inc. Non-copying printed document and method of printing same
US6325420B1 (en) 1998-08-17 2001-12-04 Inspectron Corporation Method for embedding non-intrusive encoded data in printed matter and system for reading same

Also Published As

Publication number Publication date
CH102759A (en) 1923-12-17
GB199806A (en) 1923-06-28
NL11064C (en) 1924-05-15
US1675769A (en) 1928-07-03

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