BE426734A - - Google Patents
Info
- Publication number
- BE426734A BE426734A BE426734DA BE426734A BE 426734 A BE426734 A BE 426734A BE 426734D A BE426734D A BE 426734DA BE 426734 A BE426734 A BE 426734A
- 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
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)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEI57333D DE707784C (de) | 1937-03-06 | 1937-03-06 | Verfahren zum Sensibilisieren photographischer Halogensilberemulsionen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE426734A true BE426734A (forum.php) | 1938-04-30 |
Family
ID=6548964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE426734D BE426734A (forum.php) | 1937-03-06 | 1938-03-04 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE426734A (forum.php) |
| DE (1) | DE707784C (forum.php) |
| FR (1) | FR834033A (forum.php) |
| GB (1) | GB515413A (forum.php) |
-
1937
- 1937-03-06 DE DEI57333D patent/DE707784C/de not_active Expired
-
1938
- 1938-02-19 FR FR834033D patent/FR834033A/fr not_active Expired
- 1938-03-01 GB GB640938A patent/GB515413A/en not_active Expired
- 1938-03-04 BE BE426734D patent/BE426734A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR834033A (fr) | 1938-11-09 |
| GB515413A (en) | 1939-12-04 |
| DE707784C (de) | 1941-07-04 |