CH239482A - Process for the preparation of color photographic images. - Google Patents

Process for the preparation of color photographic images.

Info

Publication number
CH239482A
CH239482A CH239482DA CH239482A CH 239482 A CH239482 A CH 239482A CH 239482D A CH239482D A CH 239482DA CH 239482 A CH239482 A CH 239482A
Authority
CH
Switzerland
Prior art keywords
preparation
color photographic
photographic images
images
color
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellsc Farbenindustrie
Original Assignee
Ig Farbenindustrie Ag
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 Ig Farbenindustrie Ag filed Critical Ig Farbenindustrie Ag
Publication of CH239482A publication Critical patent/CH239482A/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
    • 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)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
CH239482D 1940-08-08 1941-09-04 Process for the preparation of color photographic images. CH239482A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI0067601 1940-08-08

Publications (1)

Publication Number Publication Date
CH239482A true CH239482A (en) 1945-10-15

Family

ID=7196749

Family Applications (2)

Application Number Title Priority Date Filing Date
CH234804D CH234804A (en) 1940-08-08 1941-09-04 Process for the preparation of color photographic images.
CH239482D CH239482A (en) 1940-08-08 1941-09-04 Process for the preparation of color photographic images.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH234804D CH234804A (en) 1940-08-08 1941-09-04 Process for the preparation of color photographic images.

Country Status (5)

Country Link
US (1) US2437063A (en)
BE (1) BE442410A (en)
CH (2) CH234804A (en)
FR (1) FR876814A (en)
NL (1) NL59371C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2933391A (en) * 1956-09-06 1960-04-19 Eastman Kodak Co Photographic emulsions containing 5-pyrazolone coupler compounds
DE1202637B (en) * 1964-05-23 1965-10-07 Agfa Ag 3-acylaminopyrazolone-coupler-containing photosensitive photographic material having at least one halogen silver emulsion layer
US3519429A (en) * 1966-05-16 1970-07-07 Eastman Kodak Co Silver halide emulsions containing a stabilizer pyrazolone coupler

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB458664A (en) * 1935-03-21 1936-12-21 Eastman Kodak Co Improvements in and relating to colour forming developers and processes of colour development
US2179239A (en) * 1935-04-10 1939-11-07 Agfa Ansco Corp Color photography
NL49334C (en) * 1935-08-07
US2200306A (en) * 1937-07-23 1940-05-14 Gen Aniline & Film Corp Compound having reactive methylene groups
GB513596A (en) * 1938-04-08 1939-10-17 John David Kendall Improvements in and relating to the production of coloured photographic images by colour development

Also Published As

Publication number Publication date
CH234804A (en) 1944-10-31
US2437063A (en) 1948-03-02
BE442410A (en)
FR876814A (en) 1942-11-18
NL59371C (en)

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