FR927604A - Improvements in the production of colored images by chromogenic development - Google Patents

Improvements in the production of colored images by chromogenic development

Info

Publication number: FR927604A
Authority: FR; France
Prior art keywords: production; colored images; chromogenic development; chromogenic; development
Prior art date: 1945-05-11
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.)

GAF Chemicals Corp

Original Assignee

General Aniline and Film Corp

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.)

1945-05-11

Filing date

1946-06-03

Publication date

1947-11-04

1946-06-03 Application filed by General Aniline and Film Corp filed Critical General Aniline and Film Corp

1947-11-04 Application granted granted Critical

1947-11-04 Publication of FR927604A publication Critical patent/FR927604A/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
- G03C7/333—Coloured coupling substances, e.g. for the correction of the coloured image
- G03C7/3335—Coloured coupling substances, e.g. for the correction of the coloured image containing an azo chromophore

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)

FR927604D 1945-05-11 1946-06-03 Improvements in the production of colored images by chromogenic development Expired FR927604A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US59314445A	1945-05-11	1945-05-11

Publications (1)

Publication Number	Publication Date
FR927604A true FR927604A (en)	1947-11-04

Family

ID=21833702

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR927604D Expired FR927604A (en)	1945-05-11	1946-06-03	Improvements in the production of colored images by chromogenic development

Country Status (8)

Country	Link
AU (1)	AU136488B1 (en)
BE (1)	BE466820A (en)
CA (1)	CA459288A (en)
CH (1)	CH267707A (en)
FR (1)	FR927604A (en)
GB (1)	GB646367A (en)
IT (1)	IT424858A (en)
NL (1)	NL84974C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2725292A (en) *	1952-05-15	1955-11-29	Eastman Kodak Co	Colored couplers containing solubilizing groups

0
- NL NL84974D patent/NL84974C/xx active
- CA CA459288A patent/CA459288A/en not_active Expired
- BE BE466820D patent/BE466820A/xx unknown
- IT IT424858D patent/IT424858A/it unknown
1946
- 1946-04-04 AU AU4131/46A patent/AU136488B1/en not_active Expired
- 1946-05-01 GB GB13175/46A patent/GB646367A/en not_active Expired
- 1946-06-03 FR FR927604D patent/FR927604A/en not_active Expired
- 1946-06-14 CH CH267707D patent/CH267707A/en unknown

Also Published As

Publication number	Publication date
GB646367A (en)	1950-11-22
CH267707A (en)	1950-04-15
CA459288A (en)	1949-08-30
BE466820A (en)
IT424858A (en)
AU136488B1 (en)	1946-06-07
NL84974C (en)

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