FR836444A - Improvements in color photography processes - Google Patents

Improvements in color photography processes

Info

Publication number: FR836444A
Authority: FR; France
Prior art keywords: color photography; photography processes; processes; color; photography
Prior art date: 1937-03-31
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.)

Kodak Pathe SA

Original Assignee

Kodak Pathe SA

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.)

1937-03-31

Filing date

1938-03-31

Publication date

1939-01-18

1938-03-31 Application filed by Kodak Pathe SA filed Critical Kodak Pathe SA

1939-01-18 Application granted granted Critical

1939-01-18 Publication of FR836444A publication Critical patent/FR836444A/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
- G03C7/18—Processes for the correction of the colour image in subtractive colour photography

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Silver Salt Photography Or Processing Solution Therefor (AREA)
Photosensitive Polymer And Photoresist Processing (AREA)

FR836444D 1937-03-31 1938-03-31 Improvements in color photography processes Expired FR836444A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US134118A US2218229A (en)	1937-03-31	1937-03-31	Process and material for masking in color correction

Publications (1)

Publication Number	Publication Date
FR836444A true FR836444A (en)	1939-01-18

Family

ID=22461844

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR836444D Expired FR836444A (en)	1937-03-31	1938-03-31	Improvements in color photography processes

Country Status (4)

Country	Link
US (1)	US2218229A (en)
DE (1)	DE721249C (en)
FR (1)	FR836444A (en)
GB (1)	GB516514A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2533452A (en) *	1947-06-18	1950-12-12	Eastman Kodak Co	Photographic brightness correction mask
US2607684A (en) *	1949-09-24	1952-08-19	Eastman Kodak Co	Direct-positive photographic process
DE1003591B (en) *	1955-11-26	1957-02-28	Gevaert Photo Prod Nv	Photographic process for producing corrected partial images
BE621239A (en) *	1961-08-09
US3362820A (en) *	1962-08-08	1968-01-09	Gen Aniline & Film Corp	Color masking procedure and materials therefor
BE757067A (en) *	1969-10-03	1971-03-16	Eastman Kodak Co	PHOTOGRAPHIC OBJECT MANUFACTURING PROCESS
US3798037A (en) *	1971-08-11	1974-03-19	A Silverman	Photographic coloring element and process
DE3801345A1 (en) *	1988-01-19	1989-07-27	Hoechst Ag	METHOD FOR PRODUCING A MULTICOLORED IMAGE
BE1028821B1 (en)	2021-04-23	2022-06-21	Thrive Bv	Alcohol-free beer enriched with proteins and method for making it

1937
- 1937-03-31 US US134118A patent/US2218229A/en not_active Expired - Lifetime
1938
- 1938-03-29 GB GB9526/38A patent/GB516514A/en not_active Expired
- 1938-03-31 DE DEK150194D patent/DE721249C/en not_active Expired
- 1938-03-31 FR FR836444D patent/FR836444A/en not_active Expired

Also Published As

Publication number	Publication date
DE721249C (en)	1942-05-30
US2218229A (en)	1940-10-15
GB516514A (en)	1940-01-04

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