BE621461A - - Google Patents

Info

Publication number: BE621461A
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.)

1961-08-17

Publication of BE621461A publication Critical patent/BE621461A/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
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/08—Sensitivity-increasing substances
- G03C1/10—Organic substances
- 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
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/42—Developers or their precursors

Landscapes

Physics & Mathematics (AREA)
Chemical & Material Sciences (AREA)
Spectroscopy & Molecular Physics (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
General Physics & Mathematics (AREA)
Silver Salt Photography Or Processing Solution Therefor (AREA)
Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)

BE621461D 1961-08-17 BE621461A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US132012A US3212899A (en)	1961-08-17	1961-08-17	Photographic silver halide emulsions sensitized with quaternary ammonium salt and developer combinations

Publications (1)

Publication Number	Publication Date
BE621461A true BE621461A (enrdf_load_html_response)

Family

ID=22452028

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE621461D BE621461A (enrdf_load_html_response)	1961-08-17

Country Status (4)

Country	Link
US (1)	US3212899A (enrdf_load_html_response)
BE (1)	BE621461A (enrdf_load_html_response)
DE (1)	DE1163672B (enrdf_load_html_response)
GB (1)	GB1009475A (enrdf_load_html_response)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1548395A (en) *	1975-05-29	1979-07-11	Eastman Kodak Co	Photographic materials
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
US5252449A (en) *	1992-09-25	1993-10-12	E. I. Du Pont De Nemours And Company	Photographic silver halide emulsions with improved bright room tolerance
FR2747806B1 (fr) *	1996-04-19	1998-07-03	Kodak Pathe	Nouveau procede de developpement d'un produit photographique a developpateur incorpore

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2419975A (en) *	1943-08-26	1947-05-06	Eastman Kodak Co	Increasing speed and contrast of photographic emulsions
GB845928A (en) *	1957-10-25	1960-08-24	Ilford Ltd	Improvements in or relating to photographic emulsions
US2944898A (en) *	1957-11-27	1960-07-12	Eastman Kodak Co	Sensitization of photographic emulsions
BE577256A (enrdf_load_html_response) *	1958-03-31

0
- BE BE621461D patent/BE621461A/xx unknown
1961
- 1961-08-17 US US132012A patent/US3212899A/en not_active Expired - Lifetime
1962
- 1962-07-28 DE DEE23283A patent/DE1163672B/de active Pending
- 1962-08-15 GB GB31254/62A patent/GB1009475A/en not_active Expired

Also Published As

Publication number	Publication date
GB1009475A (en)	1965-11-10
DE1163672B (de)	1964-02-20
US3212899A (en)	1965-10-19

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