GB1292492A - Diazotype reproduction process - Google Patents

Diazotype reproduction process

Info

Publication number
GB1292492A
GB1292492A GB843670A GB843670A GB1292492A GB 1292492 A GB1292492 A GB 1292492A GB 843670 A GB843670 A GB 843670A GB 843670 A GB843670 A GB 843670A GB 1292492 A GB1292492 A GB 1292492A
Authority
GB
United Kingdom
Prior art keywords
reproduction process
diazotype
diazotype reproduction
triaminopyrimidine
heading
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
GB843670A
Inventor
David Pedrick Hansell
Brian Edward Lawrence
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.)
Smith Kline and French Laboratories Ltd
Original Assignee
Smith Kline and French Laboratories Ltd
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 Smith Kline and French Laboratories Ltd filed Critical Smith Kline and French Laboratories Ltd
Priority to GB843670A priority Critical patent/GB1292492A/en
Publication of GB1292492A publication Critical patent/GB1292492A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/52—Compositions containing diazo compounds as photosensitive substances
    • G03C1/58—Coupling substances therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1292492 Diazotype materials and processes SMITH KLINE & FRENCH LABORATORIES Ltd 30 April 1971 [21 Feb 1970] 8436/70 Heading G2C [Also in Division C2] The coupler used in a diazotype material or in a developing solution therefor is a triaminopyrimidine of formula:- wherein R 1 and R 2 are hydrogen or alkyl with 1 to 4 carbon atoms.
GB843670A 1970-02-21 1970-02-21 Diazotype reproduction process Expired GB1292492A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB843670A GB1292492A (en) 1970-02-21 1970-02-21 Diazotype reproduction process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB843670A GB1292492A (en) 1970-02-21 1970-02-21 Diazotype reproduction process

Publications (1)

Publication Number Publication Date
GB1292492A true GB1292492A (en) 1972-10-11

Family

ID=9852460

Family Applications (1)

Application Number Title Priority Date Filing Date
GB843670A Expired GB1292492A (en) 1970-02-21 1970-02-21 Diazotype reproduction process

Country Status (1)

Country Link
GB (1) GB1292492A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees