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

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C7/00Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/32Colour coupling substances
    • G03C7/36Couplers containing compounds with active methylene groups
    • G03C7/38Couplers containing compounds with active methylene groups in rings
    • G03C7/384Couplers containing compounds with active methylene groups in rings in pyrazolone rings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
NL56995D 1941-11-19 NL56995C (xx)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL56995C true NL56995C (xx)

Family

ID=7197136

Family Applications (1)

Application Number Title Priority Date Filing Date
NL56995D NL56995C (xx) 1941-11-19

Country Status (4)

Country Link
BE (1) BE447815A (xx)
CH (1) CH231508A (xx)
FR (1) FR887403A (xx)
NL (1) NL56995C (xx)

Also Published As

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

Similar Documents

Publication Publication Date Title
BE442109A (xx)
BE447815A (xx)
BE377531A (xx)
BE405522A (xx)
BE406989A (xx)
BE439798A (xx)
BE440507A (xx)
BE440517A (xx)
BE440580A (xx)
BE440765A (xx)
BE440983A (xx)
BE440997A (xx)
BE441030A (xx)
BE441135A (xx)
BE441261A (xx)
BE441273A (xx)
BE441477A (xx)
BE441524A (xx)
BE441571A (xx)
BE441636A (xx)
BE441671A (xx)
BE441713A (xx)
BE441833A (xx)
BE441893A (xx)
BE442102A (xx)