GB525944A - Improvements in or relating to photographic developers - Google Patents

Improvements in or relating to photographic developers

Info

Publication number
GB525944A
GB525944A GB7062/39A GB706239A GB525944A GB 525944 A GB525944 A GB 525944A GB 7062/39 A GB7062/39 A GB 7062/39A GB 706239 A GB706239 A GB 706239A GB 525944 A GB525944 A GB 525944A
Authority
GB
United Kingdom
Prior art keywords
developing
alkali
hydroquinone
april
march
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
GB7062/39A
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Publication of GB525944A publication Critical patent/GB525944A/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)
  • Photosensitive Polymer And Photoresist Processing (AREA)
GB7062/39A 1938-03-17 1939-03-03 Improvements in or relating to photographic developers Expired GB525944A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US19636638A 1938-03-17 1938-03-17
US205362A US2199903A (en) 1938-03-17 1938-04-30 Process of photographic development
US205363A US2199904A (en) 1938-03-17 1938-04-30 Photographic developer

Publications (1)

Publication Number Publication Date
GB525944A true GB525944A (en) 1940-09-06

Family

ID=27393601

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7062/39A Expired GB525944A (en) 1938-03-17 1939-03-03 Improvements in or relating to photographic developers

Country Status (4)

Country Link
US (2) US2199903A (en:Method)
BE (1) BE432624A (en:Method)
FR (1) FR849548A (en:Method)
GB (1) GB525944A (en:Method)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2759824A (en) * 1954-05-18 1956-08-21 Ralph B Atkinson Method of photographic processing and developer therefor
US3297445A (en) * 1963-04-01 1967-01-10 Eastman Kodak Co Photographic inhibitor releasing developers

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3516829A (en) * 1966-03-16 1970-06-23 Eastman Kodak Co Photographic activator solution
DE69413574T2 (de) * 1993-02-09 1999-05-12 Agfa-Gevaert N.V., Mortsel Eine Verarbeitungslösung und Verfahren zur Herstellung einer lithographischen Offsetdruckplatte nach dem Silbersalz-Diffusionsübertragungsverfahren
US10983762B2 (en) 2019-06-27 2021-04-20 Sap Se Application assessment system to achieve interface design consistency across micro services
US11249812B2 (en) 2019-07-25 2022-02-15 Sap Se Temporary compensation of outages
US11269717B2 (en) 2019-09-24 2022-03-08 Sap Se Issue-resolution automation
US11561836B2 (en) 2019-12-11 2023-01-24 Sap Se Optimizing distribution of heterogeneous software process workloads
US11354302B2 (en) 2020-06-16 2022-06-07 Sap Se Automatic creation and synchronization of graph database objects

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2759824A (en) * 1954-05-18 1956-08-21 Ralph B Atkinson Method of photographic processing and developer therefor
US3297445A (en) * 1963-04-01 1967-01-10 Eastman Kodak Co Photographic inhibitor releasing developers

Also Published As

Publication number Publication date
BE432624A (en:Method) 1939-03-31
US2199903A (en) 1940-05-07
FR849548A (fr) 1939-11-25
US2199904A (en) 1940-05-07

Similar Documents

Publication Publication Date Title
GB723286A (en) Improvements in or relating to photographic development
US3867151A (en) General purpose monobath
GB525944A (en) Improvements in or relating to photographic developers
GB695905A (en) Direct production of positive photographic images
GB878675A (en) Improvements in colour photographic developers
GB698311A (en) Improvements in single powder photographic developers
US3189454A (en) Method of photographic development and fixing
GB709359A (en) Improvements in or relating to the production of photographic diazotype copies
GB767703A (en) Improvements in direct positive photographic processes
GB580587A (en) Sensitive photographic materials and the development of images therein
US3723117A (en) Method for developing silver halide emulsions
GB720812A (en) Improvements in photographic developers
GB1013823A (en) Viscous surface layer photographic processing compositions
US2550617A (en) Fine grain photographic developer containing morpholine
GB1053067A (en:Method)
GB873198A (en) Improvements in photographic developers and in reversal processes of colour photography
GB767702A (en) Improvements in photographic developer compositions
GB615218A (en) Improvements in and relating to photographic colour developers and photographic colour development
GB712374A (en) Improvements in photographic processes
US2053516A (en) Fine-grain developers
GB956368A (en) Improved photographic developers
US3839046A (en) Process for the production of a photographic print
EP0446457A2 (en) Alkaline black-and-white photographic developer
GB1145540A (en) Process for development of photographic silver halide colour materials
GB765250A (en) Combined developer and fixer