GB663020A - Improvements in sensitive photographic emulsions - Google Patents
Improvements in sensitive photographic emulsionsInfo
- Publication number
- GB663020A GB663020A GB29567/49A GB2956749A GB663020A GB 663020 A GB663020 A GB 663020A GB 29567/49 A GB29567/49 A GB 29567/49A GB 2956749 A GB2956749 A GB 2956749A GB 663020 A GB663020 A GB 663020A
- Authority
- GB
- United Kingdom
- Prior art keywords
- emulsion
- plus
- salt
- speed
- allyl thiourea
- 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
- 239000000839 emulsion Substances 0.000 title abstract 8
- HTKFORQRBXIQHD-UHFFFAOYSA-N allylthiourea Chemical compound NC(=S)NCC=C HTKFORQRBXIQHD-UHFFFAOYSA-N 0.000 abstract 4
- 229960001748 allylthiourea Drugs 0.000 abstract 4
- 239000001828 Gelatine Substances 0.000 abstract 3
- 239000011230 binding agent Substances 0.000 abstract 3
- 229920000159 gelatin Polymers 0.000 abstract 3
- 235000019322 gelatine Nutrition 0.000 abstract 3
- VYGBQXDNOUHIBZ-UHFFFAOYSA-L sodium formaldehyde sulphoxylate Chemical compound [Na+].[Na+].O=C.[O-]S[O-] VYGBQXDNOUHIBZ-UHFFFAOYSA-L 0.000 abstract 3
- 229910003803 Gold(III) chloride Inorganic materials 0.000 abstract 2
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 2
- 239000005864 Sulphur Substances 0.000 abstract 2
- 230000029087 digestion Effects 0.000 abstract 2
- RJHLTVSLYWWTEF-UHFFFAOYSA-K gold trichloride Chemical compound Cl[Au](Cl)Cl RJHLTVSLYWWTEF-UHFFFAOYSA-K 0.000 abstract 2
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract 2
- 229910052700 potassium Inorganic materials 0.000 abstract 2
- 239000011591 potassium Substances 0.000 abstract 2
- 150000003839 salts Chemical class 0.000 abstract 2
- 229920002678 cellulose Polymers 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- HRKQOINLCJTGBK-UHFFFAOYSA-N dihydroxidosulfur Chemical compound OSO HRKQOINLCJTGBK-UHFFFAOYSA-N 0.000 abstract 1
- QJQZEJFUIOWFMS-UHFFFAOYSA-N formaldehyde;sulfanediol Chemical compound O=C.OSO QJQZEJFUIOWFMS-UHFFFAOYSA-N 0.000 abstract 1
- 238000010348 incorporation Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 230000001235 sensitizing effect Effects 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 1
- -1 silver halide Chemical class 0.000 abstract 1
- SDKPSXWGRWWLKR-UHFFFAOYSA-M sodium;9,10-dioxoanthracene-1-sulfonate Chemical compound [Na+].O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2S(=O)(=O)[O-] SDKPSXWGRWWLKR-UHFFFAOYSA-M 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
- G03C1/06—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
- G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
- G03C7/26—Silver halide emulsions for subtractive colour processes
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US60816A US2604397A (en) | 1948-11-18 | 1948-11-18 | Chemical sensitization of photographic emulsions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB663020A true GB663020A (en) | 1951-12-12 |
Family
ID=22031929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB29567/49A Expired GB663020A (en) | 1948-11-18 | 1949-11-18 | Improvements in sensitive photographic emulsions |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2604397A (enrdf_load_stackoverflow) |
| BE (1) | BE492187A (enrdf_load_stackoverflow) |
| FR (1) | FR999692A (enrdf_load_stackoverflow) |
| GB (1) | GB663020A (enrdf_load_stackoverflow) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB231564A (en) * | 1923-11-27 | 1925-03-10 | Anilin Fabrikation Ag | A process for hardening colloids |
| US2059817A (en) * | 1934-09-27 | 1936-11-03 | Eastman Kodak Co | Hardening photographic gelatin emulsions and solutions |
| GB496049A (en) * | 1937-04-19 | 1938-11-21 | Ig Farbenindustrie Ag | Improved manufacture of light-sensitive photographic preparations |
-
0
- BE BE492187D patent/BE492187A/xx unknown
-
1948
- 1948-11-18 US US60816A patent/US2604397A/en not_active Expired - Lifetime
-
1949
- 1949-11-17 FR FR999692D patent/FR999692A/fr not_active Expired
- 1949-11-18 GB GB29567/49A patent/GB663020A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE492187A (enrdf_load_stackoverflow) | |
| FR999692A (fr) | 1952-02-04 |
| US2604397A (en) | 1952-07-22 |
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