FR950647A - Improvements to photographic developers - Google Patents

Improvements to photographic developers

Info

Publication number
FR950647A
FR950647A FR950647DA FR950647A FR 950647 A FR950647 A FR 950647A FR 950647D A FR950647D A FR 950647DA FR 950647 A FR950647 A FR 950647A
Authority
FR
France
Prior art keywords
photographic developers
developers
photographic
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
Other languages
French (fr)
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe SA
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
Priority claimed from US308464A external-priority patent/US2301387A/en
Application filed by Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR950647A publication Critical patent/FR950647A/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
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/407—Development processes or agents therefor
    • G03C7/413—Developers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR950647D 1936-05-09 1947-07-18 Improvements to photographic developers Expired FR950647A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT500613X 1936-05-09
US308464A US2301387A (en) 1939-12-09 1939-12-09 Reducing aerial oxidation of photographic developers

Publications (1)

Publication Number Publication Date
FR950647A true FR950647A (en) 1949-10-03

Family

ID=25608346

Family Applications (1)

Application Number Title Priority Date Filing Date
FR950647D Expired FR950647A (en) 1936-05-09 1947-07-18 Improvements to photographic developers

Country Status (2)

Country Link
FR (1) FR950647A (en)
GB (2) GB500613A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE530383A (en) * 1951-04-10
US3941599A (en) * 1972-11-15 1976-03-02 Minnesota Mining And Manufacturing Company Method for obtaining a color contrast photographic image, photographic element and development composition suitable for the realization of said method

Also Published As

Publication number Publication date
GB500613A (en) 1939-02-10
GB545732A (en) 1942-06-10

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