FR973438A - Photographic developers - Google Patents

Photographic developers

Info

Publication number
FR973438A
FR973438A FR973438DA FR973438A FR 973438 A FR973438 A FR 973438A FR 973438D A FR973438D A FR 973438DA FR 973438 A FR973438 A FR 973438A
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.)
GAF Chemicals Corp
Original Assignee
General Aniline and Film Corp
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 General Aniline and Film Corp filed Critical General Aniline and Film Corp
Application granted granted Critical
Publication of FR973438A publication Critical patent/FR973438A/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)
FR973438D 1947-11-18 1948-10-12 Photographic developers Expired FR973438A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US786816A US2496903A (en) 1947-11-18 1947-11-18 Photographic developer containing a negatively substituted aralkylamine and process of development

Publications (1)

Publication Number Publication Date
FR973438A true FR973438A (en) 1951-02-09

Family

ID=25139663

Family Applications (1)

Application Number Title Priority Date Filing Date
FR973438D Expired FR973438A (en) 1947-11-18 1948-10-12 Photographic developers

Country Status (5)

Country Link
US (1) US2496903A (en)
BE (1) BE485786A (en)
DE (1) DE848911C (en)
FR (1) FR973438A (en)
GB (1) GB641405A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2605183A (en) * 1949-11-16 1952-07-29 Gen Aniline & Film Corp Heterocyclic alkylamines as accelerators for photographic developers
DE1106444B (en) * 1955-03-30 1961-05-10 California Research Corp Process for refining a petroleum fraction with a relatively low nitrogen content
US4189319A (en) * 1975-07-18 1980-02-19 Gaf Corporation Arginine or salt thereof as a development accelerator of color development of color photographic materials
CA1267557A (en) 1985-05-16 1990-04-10 Shigeharu Koboshi Method for color-developing a silver halide photographic light-sensitive material
AU588878B2 (en) 1985-05-31 1989-09-28 Konishiroku Photo Industry Co., Ltd. Method for forming direct positive color image

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2410644A (en) * 1943-09-02 1946-11-05 Eastman Kodak Co Development of photographic emulsions

Also Published As

Publication number Publication date
DE848911C (en) 1952-09-08
US2496903A (en) 1950-02-07
GB641405A (en) 1950-08-09
BE485786A (en)

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