BE530882A - - Google Patents

Info

Publication number: BE530882A
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.)

1953-08-03

Publication of BE530882A publication Critical patent/BE530882A/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
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/485—Direct positive emulsions
- G03C1/48538—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure
- G03C1/48546—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure characterised by the nucleating/fogging agent
- G03C1/48553—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure characterised by the nucleating/fogging agent the fogging agent only present in the developer
- 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
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/485—Direct positive emulsions
- G03C1/48538—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure
- G03C1/48546—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure characterised by the nucleating/fogging agent

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Silver Salt Photography Or Processing Solution Therefor (AREA)

BE530882D 1953-08-03 BE530882A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US371946A US2685514A (en)	1953-08-03	1953-08-03	Direct positive photographic development process

Publications (1)

Publication Number	Publication Date
BE530882A true BE530882A (enrdf_load_stackoverflow)

Family

ID=23466058

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE530882D BE530882A (enrdf_load_stackoverflow)	1953-08-03

Country Status (4)

Country	Link
US (1)	US2685514A (enrdf_load_stackoverflow)
BE (1)	BE530882A (enrdf_load_stackoverflow)
FR (1)	FR1143615A (enrdf_load_stackoverflow)
GB (1)	GB767703A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2840471A (en) *	1956-09-06	1958-06-24	Francis G Berry	Photographic film developer
US3062643A (en) *	1959-05-22	1962-11-06	Eastman Kodak Co	Photographic diffusion transfer process
US3719494A (en) *	1970-10-30	1973-03-06	Eastman Kodak Co	Silver halide emulsion containing a dihydroaromatic quaternary salt nucleating agent and the use thereof
JPS5710141A (en) *	1980-06-20	1982-01-19	Fuji Photo Film Co Ltd	Photographic element for color diffusion transfer
EP0254280B1 (en) *	1986-07-22	1993-12-29	Fuji Photo Film Co., Ltd.	Method for processing silver halide color photographic material
US5384232A (en) *	1991-12-02	1995-01-24	E. I. Du Pont De Nemours And Company	Process for rapid access development of silver halide films using pyridinium as development accelerators

0
- BE BE530882D patent/BE530882A/xx unknown
1953
- 1953-08-03 US US371946A patent/US2685514A/en not_active Expired - Lifetime
1954
- 1954-08-02 FR FR1143615D patent/FR1143615A/fr not_active Expired
- 1954-08-03 GB GB22509/54A patent/GB767703A/en not_active Expired

Also Published As

Publication number	Publication date
FR1143615A (fr)	1957-10-03
US2685514A (en)	1954-08-03
GB767703A (en)	1957-02-06

Publication	Publication Date	Title
JPS324017B1 (enrdf_load_stackoverflow)	1957-06-21
FR1094700A (enrdf_load_stackoverflow)	1955-05-23
BE517130A (enrdf_load_stackoverflow)	1953-02-14
AT193331B (enrdf_load_stackoverflow)	1957-11-25
AT192380B (enrdf_load_stackoverflow)	1957-10-10
IT523558A (enrdf_load_stackoverflow)
AT199365B (enrdf_load_stackoverflow)	1958-08-25
AT213751B (enrdf_load_stackoverflow)	1961-02-27
AT205166B (enrdf_load_stackoverflow)	1959-09-10
BE524166A (enrdf_load_stackoverflow)
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BE526631A (enrdf_load_stackoverflow)
BE526408A (enrdf_load_stackoverflow)
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BE525479A (enrdf_load_stackoverflow)
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BE517139A (enrdf_load_stackoverflow)
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