GB665782A - Improvements in sensitive photographic materials - Google Patents
Improvements in sensitive photographic materialsInfo
- Publication number
- GB665782A GB665782A GB19402/49A GB1940249A GB665782A GB 665782 A GB665782 A GB 665782A GB 19402/49 A GB19402/49 A GB 19402/49A GB 1940249 A GB1940249 A GB 1940249A GB 665782 A GB665782 A GB 665782A
- Authority
- GB
- United Kingdom
- Prior art keywords
- emulsions
- diethylene
- july
- bromide
- platinous
- 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 abstract 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 abstract 2
- 150000001450 anions Chemical class 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- 229910002651 NO3 Inorganic materials 0.000 abstract 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- FOSZYDNAURUMOT-UHFFFAOYSA-J azane;platinum(4+);tetrachloride Chemical compound N.N.N.N.[Cl-].[Cl-].[Cl-].[Cl-].[Pt+4] FOSZYDNAURUMOT-UHFFFAOYSA-J 0.000 abstract 1
- 150000001768 cations Chemical class 0.000 abstract 1
- 239000000084 colloidal system Substances 0.000 abstract 1
- 230000029087 digestion Effects 0.000 abstract 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 abstract 1
- 229910052697 platinum Inorganic materials 0.000 abstract 1
- CLSUSRZJUQMOHH-UHFFFAOYSA-L platinum dichloride Chemical compound Cl[Pt]Cl CLSUSRZJUQMOHH-UHFFFAOYSA-L 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
- 239000003381 stabilizer Substances 0.000 abstract 1
- 230000000087 stabilizing effect Effects 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US91427A US2552230A (en) | 1949-05-04 | 1949-05-04 | Fog inhibitors for photographic emulsions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB665782A true GB665782A (en) | 1952-01-30 |
Family
ID=22227728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB19402/49A Expired GB665782A (en) | 1949-05-04 | 1949-07-22 | Improvements in sensitive photographic materials |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2552230A (enrdf_load_stackoverflow) |
| BE (1) | BE492475A (enrdf_load_stackoverflow) |
| FR (1) | FR1000479A (enrdf_load_stackoverflow) |
| GB (1) | GB665782A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3000739A (en) * | 1957-04-02 | 1961-09-19 | Du Pont | Process for preparing silver halide emulsions |
| US3508925A (en) * | 1967-09-08 | 1970-04-28 | Eastman Kodak Co | Method for preparing gelatino emulsions containing latexes and polyvalent salts and products obtained thereby |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1120580A (en) * | 1913-09-22 | 1914-12-08 | William Willis | Sensitive photographic paper and process of making the same. |
| US1120429A (en) * | 1913-09-22 | 1914-12-08 | William Willis | Process for the production of photographic prints. |
| US2448060A (en) * | 1945-08-30 | 1948-08-31 | Eastman Kodak Co | Photographic emulsions sensitized with salts of metals of group viii of the periodicarrangement of the elements |
| US2448857A (en) * | 1945-10-25 | 1948-09-07 | Eastman Kodak Co | Stabilization of photographic emulsions |
-
1949
- 1949-05-04 US US91427A patent/US2552230A/en not_active Expired - Lifetime
- 1949-07-22 GB GB19402/49A patent/GB665782A/en not_active Expired
- 1949-11-30 BE BE492475D patent/BE492475A/xx unknown
- 1949-11-30 FR FR1000479D patent/FR1000479A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE492475A (enrdf_load_stackoverflow) | 1949-12-15 |
| US2552230A (en) | 1951-05-08 |
| FR1000479A (fr) | 1952-02-12 |
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