FR787388A - Process for producing monochrome and polychrome photographic images - Google Patents

Process for producing monochrome and polychrome photographic images

Info

Publication number: FR787388A
Authority: FR; France
Prior art keywords: photographic images; producing monochrome; polychrome; polychrome photographic; monochrome
Prior art date: 1934-03-16
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.)

1934-03-16

Filing date

1935-03-14

Publication date

1935-09-21

1935-03-14 Application filed by IG Farbenindustrie AG filed Critical IG Farbenindustrie AG

1935-09-21 Application granted granted Critical

1935-09-21 Publication of FR787388A publication Critical patent/FR787388A/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
- G03C7/46—Subtractive processes not covered by the group G03C7/26; Materials therefor; Preparing or processing such materials

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Silver Salt Photography Or Processing Solution Therefor (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

FR787388D 1934-03-16 1935-03-14 Process for producing monochrome and polychrome photographic images Expired FR787388A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DEI0049281		1934-03-16

Publications (1)

Publication Number	Publication Date
FR787388A true FR787388A (en)	1935-09-21

Family

ID=7192525

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR787388D Expired FR787388A (en)	1934-03-16	1935-03-14	Process for producing monochrome and polychrome photographic images

Country Status (4)

Country	Link
US (1)	US2179228A (en)
BE (1)	BE408483A (en)
FR (1)	FR787388A (en)
GB (1)	GB436587A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2514233A (en) *	1940-08-08	1950-07-04	Chromogen Inc	Process for the manufacture of golor photographic images
US2418624A (en) *	1943-03-02	1947-04-08	Eastman Kodak Co	Azo dyes for color photography
US2653874A (en) *	1949-04-15	1953-09-29	Bela Gaspar	Process for the production of color photographic images

0
- BE BE408483D patent/BE408483A/xx unknown
1934
- 1934-04-05 GB GB10326/34A patent/GB436587A/en not_active Expired
1935
- 1935-03-12 US US10704A patent/US2179228A/en not_active Expired - Lifetime
- 1935-03-14 FR FR787388D patent/FR787388A/en not_active Expired

Also Published As

Publication number	Publication date
GB436587A (en)	1935-10-07
BE408483A (en)
US2179228A (en)	1939-11-07

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