NL56995C - - Google Patents

Info

Publication number
NL56995C
NL56995C NL56995DA NL56995C NL 56995 C NL56995 C NL 56995C NL 56995D A NL56995D A NL 56995DA NL 56995 C NL56995 C NL 56995C
Authority
NL
Netherlands
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 NL56995C publication Critical patent/NL56995C/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)
NL56995D 1941-11-19 NL56995C (ja�@�@)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI0070890 1941-11-19

Publications (1)

Publication Number Publication Date
NL56995C true NL56995C (ja�@�@)

Family

ID=7197136

Family Applications (1)

Application Number Title Priority Date Filing Date
NL56995D NL56995C (ja�@�@) 1941-11-19

Country Status (4)

Country Link
BE (1) BE447815A (ja�@�@)
CH (1) CH231508A (ja�@�@)
FR (1) FR887403A (ja�@�@)
NL (1) NL56995C (ja�@�@)

Also Published As

Publication number Publication date
FR887403A (fr) 1943-11-12
CH231508A (de) 1944-03-31
BE447815A (ja�@�@)

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