CH491408A - Procedimento per la preparazione di emulsioni fotografiche di migliorate caratteristiche sensitometriche - Google Patents
Procedimento per la preparazione di emulsioni fotografiche di migliorate caratteristiche sensitometricheInfo
- Publication number
- CH491408A CH491408A CH869666A CH869666A CH491408A CH 491408 A CH491408 A CH 491408A CH 869666 A CH869666 A CH 869666A CH 869666 A CH869666 A CH 869666A CH 491408 A CH491408 A CH 491408A
- Authority
- CH
- Switzerland
- Prior art keywords
- preparation
- photographic emulsions
- sensitometric characteristics
- improved sensitometric
- improved
- Prior art date
Links
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
- G03C1/04—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances
- G03C1/043—Polyalkylene oxides; Polyalkylene sulfides; Polyalkylene selenides; Polyalkylene tellurides
-
- 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
- G03C1/04—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances
- G03C1/053—Polymers obtained by reactions involving only carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1340665 | 1965-06-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH491408A true CH491408A (it) | 1970-05-31 |
Family
ID=11144421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH869666A CH491408A (it) | 1965-06-16 | 1966-06-16 | Procedimento per la preparazione di emulsioni fotografiche di migliorate caratteristiche sensitometriche |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS494326B1 (it) |
BE (1) | BE682547A (it) |
CH (1) | CH491408A (it) |
GB (1) | GB1144213A (it) |
-
1966
- 1966-06-15 BE BE682547D patent/BE682547A/xx unknown
- 1966-06-16 GB GB2702066A patent/GB1144213A/en not_active Expired
- 1966-06-16 CH CH869666A patent/CH491408A/it not_active IP Right Cessation
- 1966-06-16 JP JP41038612A patent/JPS494326B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1144213A (en) | 1969-03-05 |
BE682547A (it) | 1966-11-14 |
JPS494326B1 (it) | 1974-01-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |