GB664230A - Improvements in sensitive photographic emulsions - Google Patents
Improvements in sensitive photographic emulsionsInfo
- Publication number
- GB664230A GB664230A GB29568/49A GB2956849A GB664230A GB 664230 A GB664230 A GB 664230A GB 29568/49 A GB29568/49 A GB 29568/49A GB 2956849 A GB2956849 A GB 2956849A GB 664230 A GB664230 A GB 664230A
- Authority
- GB
- United Kingdom
- Prior art keywords
- emulsion
- bis
- speed
- sulphide
- aminoethyl
- 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 10
- 239000001828 Gelatine Substances 0.000 abstract 3
- 238000007792 addition Methods 0.000 abstract 3
- HTKFORQRBXIQHD-UHFFFAOYSA-N allylthiourea Chemical compound NC(=S)NCC=C HTKFORQRBXIQHD-UHFFFAOYSA-N 0.000 abstract 3
- 229960001748 allylthiourea Drugs 0.000 abstract 3
- 229920000159 gelatin Polymers 0.000 abstract 3
- 235000019322 gelatine Nutrition 0.000 abstract 3
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- 230000029087 digestion Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 abstract 2
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 239000005864 Sulphur Substances 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 229920002301 cellulose acetate Polymers 0.000 abstract 1
- 229920001577 copolymer Polymers 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
- 150000003839 salts Chemical class 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 1
- ZUNKMNLKJXRCDM-UHFFFAOYSA-N silver bromoiodide Chemical compound [Ag].IBr ZUNKMNLKJXRCDM-UHFFFAOYSA-N 0.000 abstract 1
- -1 silver halide Chemical class 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
- G03C1/09—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)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US60817A US2521926A (en) | 1948-11-18 | 1948-11-18 | Chemical sensitization of photographic emulsions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB664230A true GB664230A (en) | 1952-01-02 |
Family
ID=22031932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB29568/49A Expired GB664230A (en) | 1948-11-18 | 1949-11-18 | Improvements in sensitive photographic emulsions |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2521926A (enrdf_load_stackoverflow) |
| BE (1) | BE492188A (enrdf_load_stackoverflow) |
| FR (1) | FR1004983A (enrdf_load_stackoverflow) |
| GB (1) | GB664230A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2728668A (en) * | 1952-12-05 | 1955-12-27 | Du Pont | Photographic emulsions containing a 1,2-dithiolane |
| RU2253144C1 (ru) * | 2003-11-03 | 2005-05-27 | Кемеровский государственный университет (КемГУ) | Способ химической сенсибилизации фотографической эмульсии |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE523959A (enrdf_load_stackoverflow) * | 1952-11-08 | |||
| JPS5330331A (en) * | 1976-09-02 | 1978-03-22 | Konishiroku Photo Ind Co Ltd | Treatment of silver halide photographic photosensitive material |
| JPS5827486B2 (ja) * | 1977-06-03 | 1983-06-09 | 富士写真フイルム株式会社 | ハロゲン化銀写真乳剤 |
| JPS58125612A (ja) * | 1982-01-14 | 1983-07-26 | Konishiroku Photo Ind Co Ltd | ハロゲン化銀乳剤の製造方法 |
| JPS59188641A (ja) | 1983-04-11 | 1984-10-26 | Fuji Photo Film Co Ltd | ハロゲン化銀写真乳剤 |
| EP0216973B1 (en) * | 1985-09-24 | 1989-11-23 | EASTMAN KODAK COMPANY (a New Jersey corporation) | Photographic elements and compositions containing cyclic thioethers |
| JPH07113746B2 (ja) * | 1988-07-12 | 1995-12-06 | 富士写真フイルム株式会社 | ハロゲン化銀写真感光材料 |
| US5582957A (en) * | 1995-03-28 | 1996-12-10 | Eastman Kodak Company | Resuspension optimization for photographic nanosuspensions |
| US5792601A (en) | 1995-10-31 | 1998-08-11 | Eastman Kodak Company | Composite silver halide grains and processes for their preparation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB496049A (en) * | 1937-04-19 | 1938-11-21 | Ig Farbenindustrie Ag | Improved manufacture of light-sensitive photographic preparations |
-
0
- BE BE492188D patent/BE492188A/xx unknown
-
1948
- 1948-11-18 US US60817A patent/US2521926A/en not_active Expired - Lifetime
-
1949
- 1949-11-17 FR FR1004983D patent/FR1004983A/fr not_active Expired
- 1949-11-18 GB GB29568/49A patent/GB664230A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2728668A (en) * | 1952-12-05 | 1955-12-27 | Du Pont | Photographic emulsions containing a 1,2-dithiolane |
| RU2253144C1 (ru) * | 2003-11-03 | 2005-05-27 | Кемеровский государственный университет (КемГУ) | Способ химической сенсибилизации фотографической эмульсии |
Also Published As
| Publication number | Publication date |
|---|---|
| US2521926A (en) | 1950-09-12 |
| BE492188A (enrdf_load_stackoverflow) | |
| FR1004983A (fr) | 1952-04-04 |
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