BE659834A - - Google Patents
Info
- Publication number
- BE659834A BE659834A BE659834A BE659834A BE659834A BE 659834 A BE659834 A BE 659834A BE 659834 A BE659834 A BE 659834A BE 659834 A BE659834 A BE 659834A BE 659834 A BE659834 A BE 659834A
- Authority
- BE
- Belgium
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/333—Polymers modified by chemical after-treatment with organic compounds containing nitrogen
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- 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
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- 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
- G03C5/3056—Macromolecular additives
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH195764A CH440974A (en) | 1964-02-18 | 1964-02-18 | Use of polyglycols as agents for increasing the contrast in the production of photographic images from silver halide emulsion layers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE659834A true BE659834A (en) | 1965-08-17 |
Family
ID=4222541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE659834A BE659834A (en) | 1964-02-18 | 1965-02-17 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE659834A (en) |
| CH (1) | CH440974A (en) |
| FR (1) | FR1422620A (en) |
| GB (1) | GB1077885A (en) |
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1964
- 1964-02-18 CH CH195764A patent/CH440974A/en unknown
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1965
- 1965-01-28 GB GB387365A patent/GB1077885A/en not_active Expired
- 1965-02-17 BE BE659834A patent/BE659834A/xx unknown
- 1965-06-04 FR FR3213A patent/FR1422620A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1422620A (en) | 1965-12-24 |
| GB1077885A (en) | 1967-08-02 |
| CH440974A (en) | 1967-07-31 |