BE420798A - - Google Patents
Info
- Publication number
- BE420798A BE420798A BE420798DA BE420798A BE 420798 A BE420798 A BE 420798A BE 420798D A BE420798D A BE 420798DA BE 420798 A BE420798 A BE 420798A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/04—Electroplating: Baths therefor from solutions of chromium
-
- 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
- G03C1/28—Sensitivity-increasing substances together with supersensitising substances
- G03C1/29—Sensitivity-increasing substances together with supersensitising substances the supersensitising mixture being solely composed of dyes ; Combination of dyes, even if the supersensitising effect is not explicitly disclosed
Landscapes
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US120967A US2159565A (en) | 1937-01-16 | 1937-01-16 | Photographic emulsion |
| US169187A US2159038A (en) | 1937-01-16 | 1937-10-15 | Photographic emulsion |
| US169186A US2159037A (en) | 1937-01-16 | 1937-10-15 | Photographic emulsion |
| GB15972/39A GB530690A (en) | 1937-01-16 | 1939-05-30 | Improvements in sensitized photographic emulsions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE420798A true BE420798A (it) | 1937-04-30 |
Family
ID=32074518
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE431847D BE431847A (it) | 1937-01-16 | ||
| BE343344D BE343344A (it) | 1937-01-16 | 1927-07-20 | |
| BE420798D BE420798A (it) | 1937-01-16 | 1937-03-28 |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE431847D BE431847A (it) | 1937-01-16 | ||
| BE343344D BE343344A (it) | 1937-01-16 | 1927-07-20 |
Country Status (5)
| Country | Link |
|---|---|
| US (3) | US2159565A (it) |
| BE (3) | BE343344A (it) |
| DE (2) | DE737686C (it) |
| FR (3) | FR840957A (it) |
| GB (2) | GB515789A (it) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE742343C (de) * | 1940-10-25 | 1943-12-07 | Ig Farbenindustrie Ag | Verfahren zum optischen UEbersensibilisieren photographischer Emulsionen |
| DE968111C (de) * | 1943-05-28 | 1958-01-16 | Agfa Ag Fuer Photofabrikation | Verfahren zur Sensibilisierung von Halogensilberemulsionen |
| US2432468A (en) * | 1945-12-29 | 1947-12-09 | Eastman Kodak Co | Supersensitized silver halide emulsion |
| US2892837A (en) * | 1955-08-22 | 1959-06-30 | Sperry Rand Corp | Preparation of 2-methyl-4, 5, 6, 7-tetrahydrobenzoxazole and cyanine dyes therefrom |
| US3364031A (en) * | 1963-06-24 | 1968-01-16 | Eastman Kodak Co | Supersensitized photographic silver halide emulsions |
| JPH06102612A (ja) * | 1992-09-18 | 1994-04-15 | Fuji Photo Film Co Ltd | ハロゲン化銀感光材料 |
-
0
- BE BE431847D patent/BE431847A/xx unknown
-
1927
- 1927-07-20 BE BE343344D patent/BE343344A/xx unknown
-
1937
- 1937-01-16 US US120967A patent/US2159565A/en not_active Expired - Lifetime
- 1937-03-27 FR FR840957D patent/FR840957A/fr not_active Expired
- 1937-03-28 BE BE420798D patent/BE420798A/xx unknown
- 1937-03-31 DE DEK146045D patent/DE737686C/de not_active Expired
- 1937-10-15 US US169187A patent/US2159038A/en not_active Expired - Lifetime
- 1937-10-15 US US169186A patent/US2159037A/en not_active Expired - Lifetime
-
1938
- 1938-05-12 GB GB14173/38A patent/GB515789A/en not_active Expired
-
1939
- 1939-05-09 DE DEK154399D patent/DE720343C/de not_active Expired
- 1939-05-12 FR FR51209D patent/FR51209E/fr not_active Expired
- 1939-05-30 GB GB15972/39A patent/GB530690A/en not_active Expired
-
1940
- 1940-05-30 FR FR51482D patent/FR51482E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE343344A (it) | 1927-08-31 |
| FR51482E (fr) | 1942-08-12 |
| DE720343C (de) | 1942-05-06 |
| FR51209E (fr) | 1941-12-20 |
| BE431847A (it) | |
| DE737686C (de) | 1943-07-21 |
| FR840957A (fr) | 1939-05-08 |
| GB530690A (en) | 1940-12-18 |
| US2159565A (en) | 1939-05-23 |
| US2159037A (en) | 1939-05-23 |
| GB515789A (en) | 1939-12-14 |
| US2159038A (en) | 1939-05-23 |