GB999146A - Production of photographic prints - Google Patents

Production of photographic prints

Info

Publication number
GB999146A
GB999146A GB1391063A GB1391063A GB999146A GB 999146 A GB999146 A GB 999146A GB 1391063 A GB1391063 A GB 1391063A GB 1391063 A GB1391063 A GB 1391063A GB 999146 A GB999146 A GB 999146A
Authority
GB
United Kingdom
Prior art keywords
thickener
solution
carboxymethyl cellulose
production
alkaline solution
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
GB1391063A
Inventor
Eustace Raymond Townley
Alan Hugh Waller
David Harold Cole
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.)
Ilford Imaging UK Ltd
Original Assignee
Ilford 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 Ilford Ltd filed Critical Ilford Ltd
Priority to GB1391063A priority Critical patent/GB999146A/en
Publication of GB999146A publication Critical patent/GB999146A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/262Processes using silver-salt-containing photosensitive materials or agents therefor using materials covered by groups G03C1/42 and G03C1/43

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)

Abstract

999, 146. Photographic processes. ILFORD Ltd. March 19, 1964 [April 8,1963], No. 13910/63. Heading G2C. A photographic silver halide material containing a developing agent such as hydroquinone is exposed, developed by applying with a roller an alkaline solution which contains a thickener so as to give the solution a viscosity at 20‹C. of 5 to 15 centipoises, and then treated with a stabilizer solution. The thickener may be sodium carboxymethyl cellulose, hydroxyethyl cellulose or an acrylamide/ acrylic acid copolymer. In an example, the alkaline solution comprises sodium hydroxide, sodium sulphite and sodium carboxymethyl cellulose. Specifications 308,803, 884,390 and 902,313 are referred to.
GB1391063A 1963-04-08 1963-04-08 Production of photographic prints Expired GB999146A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1391063A GB999146A (en) 1963-04-08 1963-04-08 Production of photographic prints

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1391063A GB999146A (en) 1963-04-08 1963-04-08 Production of photographic prints

Publications (1)

Publication Number Publication Date
GB999146A true GB999146A (en) 1965-07-21

Family

ID=10031605

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1391063A Expired GB999146A (en) 1963-04-08 1963-04-08 Production of photographic prints

Country Status (1)

Country Link
GB (1) GB999146A (en)

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