FR968132A - Photographic developers - Google Patents

Photographic developers

Info

Publication number: FR968132A
Authority: FR; France
Prior art keywords: photographic developers; developers; photographic
Prior art date: 1947-08-26
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.)

1947-08-26

Filing date

1948-06-22

Publication date

1950-11-20

1948-06-22 Application filed by General Aniline and Film Corp filed Critical General Aniline and Film Corp

1950-11-20 Application granted granted Critical

1950-11-20 Publication of FR968132A publication Critical patent/FR968132A/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
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/29—Development processes or agents therefor
- G03C5/305—Additives other than developers

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Silver Salt Photography Or Processing Solution Therefor (AREA)
Measurement Of Predetermined Time Intervals (AREA)

FR968132D 1947-08-26 1948-06-22 Photographic developers Expired FR968132A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US770750A US2515147A (en)	1947-08-26	1947-08-26	Photographic developer containing an aralkylamine and process of development

Publications (1)

Publication Number	Publication Date
FR968132A true FR968132A (en)	1950-11-20

Family

ID=7425177

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR968132D Expired FR968132A (en)	1947-08-26	1948-06-22	Photographic developers

Country Status (5)

Country	Link
US (1)	US2515147A (en)
BE (1)	BE483825A (en)
DE (2)	DE876506C (en)
FR (1)	FR968132A (en)
GB (1)	GB637148A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2605183A (en) *	1949-11-16	1952-07-29	Gen Aniline & Film Corp	Heterocyclic alkylamines as accelerators for photographic developers
DE969677C (en) *	1952-04-25	1958-07-03	Hauff G M B H	Process for the preparation of an activated black and white photographic developer
BE554934A (en) *	1956-02-13	1900-01-01
US3022166A (en) *	1957-03-28	1962-02-20	Polaroid Corp	Photographic products, processes and compositions
US3022167A (en) *	1957-03-28	1962-02-20	Polaroid Corp	Photographic products, processes and compositions
JPS556214B2 (en) *	1972-01-07	1980-02-14
US4119462A (en) *	1977-05-24	1978-10-10	The United States Of America As Represented By The Secretary Of The Army	Color photographic developer composition
CA1267557A (en)	1985-05-16	1990-04-10	Shigeharu Koboshi	Method for color-developing a silver halide photographic light-sensitive material
AU588878B2 (en)	1985-05-31	1989-09-28	Konishiroku Photo Industry Co., Ltd.	Method for forming direct positive color image

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR959726A (en) *	1942-03-20	1950-04-04
US2410644A (en) *	1943-09-02	1946-11-05	Eastman Kodak Co	Development of photographic emulsions

0
- BE BE483825D patent/BE483825A/xx unknown
1947
- 1947-08-26 US US770750A patent/US2515147A/en not_active Expired - Lifetime
1948
- 1948-04-06 GB GB9657/48A patent/GB637148A/en not_active Expired
- 1948-06-22 FR FR968132D patent/FR968132A/en not_active Expired
1949
- 1949-01-01 DE DEP29333D patent/DE876506C/en not_active Expired
1951
- 1951-07-08 DE DESCH7057A patent/DE876606C/en not_active Expired

Also Published As

Publication number	Publication date
DE876506C (en)	1953-05-15
GB637148A (en)	1950-05-10
BE483825A (en)
DE876606C (en)	1953-05-15
US2515147A (en)	1950-07-11

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