FR876814A - Process for the constitution of color photographic images - Google Patents

Process for the constitution of color photographic images

Info

Publication number: FR876814A
Authority: FR; France
Prior art keywords: constitution; color photographic; photographic images; images; color
Prior art date: 1940-08-08
Legal status (The legal status 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 status listed.): Expired

Application number

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

IG Farbenindustrie AG

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.)

1940-08-08

Filing date

1941-08-07

Publication date

1942-11-18

1941-08-07 Application filed by IG Farbenindustrie AG filed Critical IG Farbenindustrie AG

1942-11-18 Application granted granted Critical

1942-11-18 Publication of FR876814A publication Critical patent/FR876814A/en

Status Expired legal-status Critical Current

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)

FR876814D 1940-08-08 1941-08-07 Process for the constitution of color photographic images Expired FR876814A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
FR876814A true FR876814A (en)	1942-11-18

Family

ID=7196749

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR876814D Expired FR876814A (en)	1940-08-08	1941-08-07	Process for the constitution 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

0
- BE BE442410D patent/BE442410A/xx unknown
- NL NL59371D patent/NL59371C/xx active
1941
- 1941-08-07 FR FR876814D patent/FR876814A/en not_active Expired
- 1941-09-04 CH CH234804D patent/CH234804A/en unknown
- 1941-09-04 CH CH239482D patent/CH239482A/en unknown
1942
- 1942-02-17 US US431263A patent/US2437063A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CH234804A (en)	1944-10-31
CH239482A (en)	1945-10-15
NL59371C (en)
US2437063A (en)	1948-03-02
BE442410A (en)

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