BE474234A - - Google Patents

Info

Publication number: BE474234A
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.)

1939-11-17

Publication of BE474234A publication Critical patent/BE474234A/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
- G03C1/09—Noble metals or mercury; Salts or compounds thereof; Sulfur, selenium or tellurium, or compounds thereof, e.g. for chemical sensitising

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)

BE474234D 1939-11-17 BE474234A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US254821XA	1939-11-17	1939-11-17

Publications (1)

Publication Number	Publication Date
BE474234A true BE474234A (enrdf_load_stackoverflow)

Family

ID=21826330

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE474234D BE474234A (enrdf_load_stackoverflow)	1939-11-17

Country Status (5)

Country	Link
BE (1)	BE474234A (enrdf_load_stackoverflow)
CH (1)	CH254821A (enrdf_load_stackoverflow)
FR (1)	FR959921A (enrdf_load_stackoverflow)
GB (1)	GB636234A (enrdf_load_stackoverflow)
NL (1)	NL62396C (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5641621A (en) *	1996-01-11	1997-06-24	Eastman Kodak Company	Process for preparation of silver halide emulsion employing a double heat-cycle during finishing

0
- FR FR959921D patent/FR959921A/fr not_active Expired
- NL NL62396D patent/NL62396C/xx active
- BE BE474234D patent/BE474234A/xx unknown
1946
- 1946-05-15 CH CH254821D patent/CH254821A/fr unknown
1947
- 1947-08-08 GB GB22120/47A patent/GB636234A/en not_active Expired

Also Published As

Publication number	Publication date
GB636234A (en)	1950-04-26
NL62396C (enrdf_load_stackoverflow)
CH254821A (fr)	1948-05-31
FR959921A (enrdf_load_stackoverflow)	1950-04-07

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