GB1212051A - Photographic silver halide development process - Google Patents

Photographic silver halide development process

Info

Publication number
GB1212051A
GB1212051A GB2839568A GB2839568A GB1212051A GB 1212051 A GB1212051 A GB 1212051A GB 2839568 A GB2839568 A GB 2839568A GB 2839568 A GB2839568 A GB 2839568A GB 1212051 A GB1212051 A GB 1212051A
Authority
GB
United Kingdom
Prior art keywords
silver halide
triamine
photographic
development process
photographic silver
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
GB2839568A
Inventor
Boris Peter Brand
Henry Walter Wood
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 GB2839568A priority Critical patent/GB1212051A/en
Publication of GB1212051A publication Critical patent/GB1212051A/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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/29—Development processes or agents therefor
    • G03C5/305—Additives other than developers

Landscapes

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

Abstract

1,212,051. Photographic silver halide development process. ILFORD Ltd. June 6, 1969 [June 14, 1968], No.28395/68. Heading G2C. A process for the production of developed photographic material comprises treating a material containing an image in a developable silver halide with a solution of N-1-#- hydroxyethyldiethylene triamine, and simultaneously or subsequently with a silver halide developing agent. The said triamine derivative may be present in the photographic developing solution. The invention also comprises a photographic silver halide developing solution which comprises N-1-#- hydroxyethyldiethylene triamine, preferably at a concentration of 0À1 to 5g per litre. The said triamine is a development accelerator.
GB2839568A 1968-06-14 1968-06-14 Photographic silver halide development process Expired GB1212051A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2839568A GB1212051A (en) 1968-06-14 1968-06-14 Photographic silver halide development process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2839568A GB1212051A (en) 1968-06-14 1968-06-14 Photographic silver halide development process

Publications (1)

Publication Number Publication Date
GB1212051A true GB1212051A (en) 1970-11-11

Family

ID=10274944

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2839568A Expired GB1212051A (en) 1968-06-14 1968-06-14 Photographic silver halide development process

Country Status (1)

Country Link
GB (1) GB1212051A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030920A (en) 1976-04-12 1977-06-21 Eastman Kodak Company Processing compositions containing glycols for color transfer processes comprising direct positive silver halide developement
EP0507145A1 (en) * 1991-04-03 1992-10-07 Minnesota Mining And Manufacturing Company Alkaline black-and-white developer for silver halide photographic material

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030920A (en) 1976-04-12 1977-06-21 Eastman Kodak Company Processing compositions containing glycols for color transfer processes comprising direct positive silver halide developement
EP0507145A1 (en) * 1991-04-03 1992-10-07 Minnesota Mining And Manufacturing Company Alkaline black-and-white developer for silver halide photographic material
US5478706A (en) * 1991-04-03 1995-12-26 Minnesota Mining And Manufacturing Company Alkaline black-and-white developer for silver halide photographic material
EP0810472A2 (en) * 1991-04-03 1997-12-03 Imation Corp. Alkaline black-and-white developer for silver halide photographic material
EP0810472A3 (en) * 1991-04-03 1998-02-04 Imation Corp. Alkaline black-and-white developer for silver halide photographic material

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Legal Events

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