GB640136A - Improved first developer for multi-layer color film of the reserval type - Google Patents

Improved first developer for multi-layer color film of the reserval type

Info

Publication number
GB640136A
GB640136A GB19551/48A GB1955148A GB640136A GB 640136 A GB640136 A GB 640136A GB 19551/48 A GB19551/48 A GB 19551/48A GB 1955148 A GB1955148 A GB 1955148A GB 640136 A GB640136 A GB 640136A
Authority
GB
United Kingdom
Prior art keywords
reserval
developer
improved
type
color film
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
GB19551/48A
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
Publication of GB640136A publication Critical patent/GB640136A/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
    • 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)
GB19551/48A 1947-11-18 1948-07-21 Improved first developer for multi-layer color film of the reserval type Expired GB640136A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US786811A US2553498A (en) 1947-11-18 1947-11-18 First developer for multilayer color film of the reversal type

Publications (1)

Publication Number Publication Date
GB640136A true GB640136A (en) 1950-07-12

Family

ID=25139652

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19551/48A Expired GB640136A (en) 1947-11-18 1948-07-21 Improved first developer for multi-layer color film of the reserval type

Country Status (4)

Country Link
US (1) US2553498A (en)
BE (1) BE484696A (en)
DE (1) DE968447C (en)
GB (1) GB640136A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2657138A (en) * 1950-01-03 1953-10-27 Leonard A Robbins Photographic film developing composition containing beta, beta'-di-chloroethyl ether
US2725290A (en) * 1951-11-14 1955-11-29 Eastman Kodak Co Development of multi-layer color films with developers containing mercapto azoles
EP0542354B1 (en) * 1991-11-14 2002-05-29 Agfa-Gevaert Method of developing x-ray materials

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US838488A (en) * 1904-09-06 1906-12-11 Fred Alson Bryant Photographic developer.
US1482613A (en) * 1919-10-02 1924-02-05 Daylight Film Corp Potassium iodide composition of matter for photographic processes
US1954337A (en) * 1932-10-01 1934-04-10 Eastman Kodak Co Superficial coating for photographic elements
BE409946A (en) * 1934-06-15
US2091713A (en) * 1935-02-27 1937-08-31 Eastman Kodak Co Developer
GB470855A (en) * 1936-01-23 1937-08-23 Douglas Arthur Spencer Improvements in or relating to colour photography
GB470074A (en) * 1936-02-06 1937-08-06 Humphrey Desmond Murray Production of coloured photographic images by development
US2136968A (en) * 1936-10-26 1938-11-15 Carus Chemical Company Inc Photographic developer
US2159601A (en) * 1936-12-12 1939-05-23 Servel Inc Refrigerator shelf
US2191037A (en) * 1938-11-12 1940-02-20 Eastman Kodak Co Color forming developer containing amines
FR959726A (en) * 1942-03-20 1950-04-04
US2388816A (en) * 1942-06-25 1945-11-13 Eastman Kodak Co Photographic developer

Also Published As

Publication number Publication date
US2553498A (en) 1951-05-15
BE484696A (en)
DE968447C (en) 1958-02-20

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