BE445959A - - Google Patents

Info

Publication number
BE445959A
BE445959A BE445959DA BE445959A BE 445959 A BE445959 A BE 445959A BE 445959D A BE445959D A BE 445959DA BE 445959 A BE445959 A BE 445959A
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 BE445959A publication Critical patent/BE445959A/xx

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
    • G03C7/38—Couplers containing compounds with active methylene groups in rings
    • G03C7/384—Couplers containing compounds with active methylene groups in rings in pyrazolone rings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
BE445959D 1941-06-30 BE445959A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI0069954 1941-06-30

Publications (1)

Publication Number Publication Date
BE445959A true BE445959A (xx)

Family

ID=7197062

Family Applications (1)

Application Number Title Priority Date Filing Date
BE445959D BE445959A (xx) 1941-06-30

Country Status (4)

Country Link
BE (1) BE445959A (xx)
CH (2) CH234134A (xx)
FR (1) FR883139A (xx)
NL (1) NL60562C (xx)

Also Published As

Publication number Publication date
CH230510A (de) 1944-01-15
NL60562C (xx)
CH234134A (de) 1944-09-15
FR883139A (fr) 1943-06-24

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