BE439425A - - Google Patents
Info
- Publication number
- BE439425A BE439425A BE439425DA BE439425A BE 439425 A BE439425 A BE 439425A BE 439425D A BE439425D A BE 439425DA BE 439425 A BE439425 A BE 439425A
- Authority
- BE
- Belgium
Links
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
- G03C1/12—Methine and polymethine dyes
- G03C1/122—Azacyanines
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE217515X | 1939-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE439425A true BE439425A (de) |
Family
ID=5830790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE439425D BE439425A (de) | 1939-07-10 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE439425A (de) |
| CH (1) | CH217515A (de) |
| FR (1) | FR872120A (de) |
-
0
- BE BE439425D patent/BE439425A/xx unknown
-
1940
- 1940-07-08 CH CH217515D patent/CH217515A/de unknown
-
1941
- 1941-05-14 FR FR872120D patent/FR872120A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH217515A (de) | 1941-10-31 |
| FR872120A (fr) | 1942-05-30 |