GB820322A - Improved methods of preparing silver halide dispersions and photographic emulsions - Google Patents
Improved methods of preparing silver halide dispersions and photographic emulsionsInfo
- Publication number
- GB820322A GB820322A GB1179/56A GB117956A GB820322A GB 820322 A GB820322 A GB 820322A GB 1179/56 A GB1179/56 A GB 1179/56A GB 117956 A GB117956 A GB 117956A GB 820322 A GB820322 A GB 820322A
- Authority
- GB
- United Kingdom
- Prior art keywords
- silver halide
- coagulum
- emulsions
- liquid
- jan
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 229910052709 silver Inorganic materials 0.000 title abstract 5
- 239000004332 silver Substances 0.000 title abstract 5
- -1 silver halide Chemical class 0.000 title abstract 5
- 239000000839 emulsion Substances 0.000 title abstract 4
- 239000006185 dispersion Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 239000007788 liquid Substances 0.000 abstract 3
- 108010010803 Gelatin Proteins 0.000 abstract 2
- 238000007792 addition Methods 0.000 abstract 2
- 239000007864 aqueous solution Substances 0.000 abstract 2
- 229920000159 gelatin Polymers 0.000 abstract 2
- 239000008273 gelatin Substances 0.000 abstract 2
- 235000019322 gelatine Nutrition 0.000 abstract 2
- 235000011852 gelatine desserts Nutrition 0.000 abstract 2
- 229920000578 graft copolymer Polymers 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 abstract 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract 1
- HTKFORQRBXIQHD-UHFFFAOYSA-N allylthiourea Chemical compound NC(=S)NCC=C HTKFORQRBXIQHD-UHFFFAOYSA-N 0.000 abstract 1
- 229960001748 allylthiourea Drugs 0.000 abstract 1
- 229920002301 cellulose acetate Polymers 0.000 abstract 1
- 230000015271 coagulation Effects 0.000 abstract 1
- 238000005345 coagulation Methods 0.000 abstract 1
- 238000007720 emulsion polymerization reaction Methods 0.000 abstract 1
- 230000002209 hydrophobic effect Effects 0.000 abstract 1
- 239000012452 mother liquor Substances 0.000 abstract 1
- 230000001376 precipitating effect Effects 0.000 abstract 1
- 108090000623 proteins and genes Proteins 0.000 abstract 1
- 102000004169 proteins and genes Human genes 0.000 abstract 1
- 229920006395 saturated elastomer Polymers 0.000 abstract 1
- ZUNKMNLKJXRCDM-UHFFFAOYSA-N silver bromoiodide Chemical compound [Ag].IBr ZUNKMNLKJXRCDM-UHFFFAOYSA-N 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
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
- G03C1/047—Proteins, e.g. gelatine derivatives; Hydrolysis or extraction products of proteins
-
- 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
- G03C1/015—Apparatus or processes for the preparation of emulsions
-
- 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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Graft Or Block Polymers (AREA)
- Colloid Chemistry (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US482416A US2787545A (en) | 1955-01-17 | 1955-01-17 | Method of preparing photographic emulsions by coagulating with gelatin graft polymers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB820322A true GB820322A (en) | 1959-09-16 |
Family
ID=23915986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1179/56A Expired GB820322A (en) | 1955-01-17 | 1956-01-13 | Improved methods of preparing silver halide dispersions and photographic emulsions |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2787545A (enrdf_load_stackoverflow) |
| BE (1) | BE544350A (enrdf_load_stackoverflow) |
| FR (1) | FR71208E (enrdf_load_stackoverflow) |
| GB (1) | GB820322A (enrdf_load_stackoverflow) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2976149A (en) * | 1956-10-30 | 1961-03-21 | Repro Design & Equipment Compa | Direct positive photographic emulsion |
| US3165411A (en) * | 1959-05-04 | 1965-01-12 | Eastman Kodak Co | Photographic products |
| BE592432A (enrdf_load_stackoverflow) * | 1959-07-07 | |||
| BE600141A (enrdf_load_stackoverflow) * | 1960-03-15 | |||
| US3291611A (en) * | 1962-10-03 | 1966-12-13 | Swift & Co | Modifying isoelectric point of gelatin |
| EP0307855B1 (en) * | 1987-09-18 | 1993-07-14 | EASTMAN KODAK COMPANY (a New Jersey corporation) | Gelatin-grafted polymer particles |
| US4855219A (en) * | 1987-09-18 | 1989-08-08 | Eastman Kodak Company | Photographic element having polymer particles covalently bonded to gelatin |
| WO2014030066A2 (en) | 2012-08-22 | 2014-02-27 | Bernitz Mats Nilsson | Methods for identifying nucleic acid sequences |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2548520A (en) * | 1947-02-13 | 1951-04-10 | Eastman Kodak Co | Copolymers of proteins having unsaturated radicals united therewith |
| BE484325A (enrdf_load_stackoverflow) * | 1947-08-13 |
-
0
- BE BE544350D patent/BE544350A/xx unknown
-
1955
- 1955-01-17 US US482416A patent/US2787545A/en not_active Expired - Lifetime
-
1956
- 1956-01-13 GB GB1179/56A patent/GB820322A/en not_active Expired
- 1956-01-16 FR FR71208D patent/FR71208E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2787545A (en) | 1957-04-02 |
| FR71208E (fr) | 1959-10-30 |
| BE544350A (enrdf_load_stackoverflow) |
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