GB157811A - Multicolour prints secure against photographic imitation, especially for securities - Google Patents

Multicolour prints secure against photographic imitation, especially for securities

Info

Publication number
GB157811A
GB157811A GB153321A GB153321A GB157811A GB 157811 A GB157811 A GB 157811A GB 153321 A GB153321 A GB 153321A GB 153321 A GB153321 A GB 153321A GB 157811 A GB157811 A GB 157811A
Authority
GB
United Kingdom
Prior art keywords
colour
printing
ground
securities
imitation
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
GB153321A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB157811A publication Critical patent/GB157811A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Printing Methods (AREA)
GB153321A 1919-07-22 1921-01-10 Multicolour prints secure against photographic imitation, especially for securities Expired GB157811A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL0048601 1919-07-22

Publications (1)

Publication Number Publication Date
GB157811A true GB157811A (en) 1922-07-10

Family

ID=7272551

Family Applications (2)

Application Number Title Priority Date Filing Date
GB153321A Expired GB157811A (en) 1919-07-22 1921-01-10 Multicolour prints secure against photographic imitation, especially for securities
GB1369223A Expired GB198364A (en) 1919-07-22 1923-05-23 Polychromatic prints proof against direct reproduction by photography

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1369223A Expired GB198364A (en) 1919-07-22 1923-05-23 Polychromatic prints proof against direct reproduction by photography

Country Status (3)

Country Link
CH (1) CH95082A (fr)
FR (1) FR533638A (fr)
GB (2) GB157811A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767521C (de) * 1935-11-26 1952-11-17 Bundesrep Deutschland Verfahren zum Herstellen von Wertpapierdrucken
US3852088A (en) * 1972-03-20 1974-12-03 Ibm Security document system and method
US4277514A (en) * 1978-03-07 1981-07-07 Toppan Printing Co., Ltd. Forgery resistant document with colored areas and method for thwarting reproduction of same

Also Published As

Publication number Publication date
CH95082A (de) 1922-06-01
FR533638A (fr) 1922-03-07
GB198364A (en) 1924-04-03

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