GB1466489A - Duplicating paper and preparation and printing on same - Google Patents

Duplicating paper and preparation and printing on same

Info

Publication number
GB1466489A
GB1466489A GB1143975A GB1143975A GB1466489A GB 1466489 A GB1466489 A GB 1466489A GB 1143975 A GB1143975 A GB 1143975A GB 1143975 A GB1143975 A GB 1143975A GB 1466489 A GB1466489 A GB 1466489A
Authority
GB
United Kingdom
Prior art keywords
printing
preparation
same
duplicating paper
duplicating
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
GB1143975A
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 GB1466489A publication Critical patent/GB1466489A/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
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • B41M5/0253—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet using a chemical colour-forming ink, e.g. chemical hectography

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Color Printing (AREA)
  • Printing Plates And Materials Therefor (AREA)

Abstract

In spirit duplicating using leucauramine-containing layers, proof papers are used whose sorptive layer contains acidic salts in order to accelerate development of the printed image.
GB1143975A 1974-05-21 1975-03-19 Duplicating paper and preparation and printing on same Expired GB1466489A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2424743A DE2424743A1 (en) 1974-05-21 1974-05-21 PROCESS FOR PRINTING PRINTABLE REFLECTIVE IMAGE ORIGINALS AND PRINT PAPER THEREOF

Publications (1)

Publication Number Publication Date
GB1466489A true GB1466489A (en) 1977-03-09

Family

ID=5916184

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1143975A Expired GB1466489A (en) 1974-05-21 1975-03-19 Duplicating paper and preparation and printing on same

Country Status (6)

Country Link
CH (1) CH610826A5 (en)
DE (1) DE2424743A1 (en)
FR (1) FR2271937B3 (en)
GB (1) GB1466489A (en)
NO (1) NO751268L (en)
SE (1) SE7505671L (en)

Also Published As

Publication number Publication date
FR2271937B3 (en) 1978-11-24
NO751268L (en) 1975-11-24
FR2271937A1 (en) 1975-12-19
SE7505671L (en) 1975-11-24
CH610826A5 (en) 1979-05-15
DE2424743A1 (en) 1975-12-04
DE2424743C2 (en) 1982-11-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee