BE440740A - - Google Patents

Info

Publication number
BE440740A
BE440740A BE440740DA BE440740A BE 440740 A BE440740 A BE 440740A BE 440740D A BE440740D A BE 440740DA BE 440740 A BE440740 A BE 440740A
Authority
BE
Belgium
Application number
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.)
Publication of BE440740A publication Critical patent/BE440740A/xx
Priority claimed from GB471840A external-priority patent/GB590637A/en

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
    • G03C7/32—Colour coupling substances
    • G03C7/36—Couplers containing compounds with active methylene groups

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
BE440740D 1940-03-13 BE440740A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB471840A GB590637A (en) 1940-03-13 Improvements in and relating to photographic colour development

Publications (1)

Publication Number Publication Date
BE440740A true BE440740A (enrdf_load_stackoverflow)

Family

ID=9782481

Family Applications (1)

Application Number Title Priority Date Filing Date
BE440740D BE440740A (enrdf_load_stackoverflow) 1940-03-13

Country Status (4)

Country Link
US (1) US2375344A (enrdf_load_stackoverflow)
BE (1) BE440740A (enrdf_load_stackoverflow)
FR (1) FR870771A (enrdf_load_stackoverflow)
NL (1) NL58022C (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE444782A (enrdf_load_stackoverflow) * 1941-03-17 1942-04-30
BE467711A (enrdf_load_stackoverflow) * 1945-02-24
NL246283A (enrdf_load_stackoverflow) * 1958-12-11
DE1211486B (de) * 1964-02-22 1966-02-24 Agfa Ag Verfahren und Material zur Herstellung von Schwarzweiss-Masken fuer die Reproduktion von Farbenbildern
GB1269788A (en) * 1968-10-24 1972-04-06 Konishiroku Photo Ind N-substituted-1-hydroxy-2-naphthamides and their use as cyan couplers

Also Published As

Publication number Publication date
US2375344A (en) 1945-05-08
NL58022C (enrdf_load_stackoverflow)
FR870771A (fr) 1942-03-24

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