BE499957A - - Google Patents

Info

Publication number: BE499957A
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.)

1949-12-13

Publication of BE499957A publication Critical patent/BE499957A/xx

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
- G03C7/3231—Couplers containing an indazolone ring

BE499957D 1949-12-13 BE499957A (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB31977/49A GB685061A (en)	1949-12-13	1949-12-13	Improvements in or relating to the manufacture of photographic multi-colour images

Publications (1)

Publication Number	Publication Date
BE499957A true BE499957A (xx)

Family

ID=10331208

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE499957D BE499957A (xx)	1949-12-13

Country Status (4)

Country	Link
US (1)	US2823998A (xx)
BE (1)	BE499957A (xx)
FR (1)	FR1138704A (xx)
GB (1)	GB685061A (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE563474A (xx) *	1956-12-31	1960-06-17
NL246283A (xx) *	1958-12-11
NL263254A (xx) *	1959-11-13
BE601938A (xx) *	1960-03-29
DE1130287B (de) *	1961-02-01	1962-05-24	Agfa Ag	Verfahren zur Herstellung von farbenphotographischen Bildern nach dem Verfahren der farbigen Entwicklung und Material zur Durchfuehrung des Verfahrens
NL125600C (xx) *	1962-06-07
DE1922628A1 (de) *	1969-05-03	1970-11-05	Agfa Gevaert Ag	Verbessertes farbphotographisches Material

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2193931A (en) *	1936-03-24	1940-03-19	Bela Gaspar	Process for producing multicolored photographic images
US2306410A (en) *	1936-07-07	1942-12-29	Eastman Kodak Co	Color development
BE476358A (xx) *	1944-05-03
US2518739A (en) *	1947-07-03	1950-08-15	Eastman Kodak Co	Method of masking photographic color images

0
- BE BE499957D patent/BE499957A/xx unknown
1949
- 1949-12-13 GB GB31977/49A patent/GB685061A/en not_active Expired
1950
- 1950-12-12 US US200491A patent/US2823998A/en not_active Expired - Lifetime
- 1950-12-13 FR FR1138704D patent/FR1138704A/fr not_active Expired

Also Published As

Publication number	Publication date
FR1138704A (fr)	1957-06-19
GB685061A (en)	1952-12-31
US2823998A (en)	1958-02-18

Publication	Publication Date	Title
AT166754B (xx)	1950-09-25
AT193848B (xx)	1957-12-10
BE487732A (xx)	1949-03-31
BE488429A (xx)	1949-04-30
BE485770A (xx)
BE485768A (xx)
BE476015A (xx)
BE486819A (xx)
BE487077A (xx)	1949-02-15
BE487289A (xx)
NL86146C (xx)
NL77105C (xx)
BE488270A (xx)
BE487335A (xx)
NL74427C (xx)	1954-04-15
NL74276C (xx)
NL70067C (xx)
NL156956C (xx)
BE499705A (xx)
BE498743A (xx)
BE487425A (xx)
BE496178A (xx)
BE483689A (xx)
BE483443A (xx)
BE491083A (xx)	1949-09-20