BE447814A - - Google Patents
Info
- Publication number
- BE447814A BE447814A BE447814DA BE447814A BE 447814 A BE447814 A BE 447814A BE 447814D A BE447814D A BE 447814DA BE 447814 A BE447814 A BE 447814A
- 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
- G03C1/494—Silver salt compositions other than silver halide emulsions; Photothermographic systems ; Thermographic systems using noble metal compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE236602X | 1941-11-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE447814A true BE447814A (en:Method) | 1942-12-31 |
Family
ID=5902588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE447814D BE447814A (en:Method) | 1941-11-03 | 1942-11-02 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE447814A (en:Method) |
| CH (1) | CH236602A (en:Method) |
| FR (1) | FR887489A (en:Method) |
-
1942
- 1942-10-30 CH CH236602D patent/CH236602A/de unknown
- 1942-11-02 BE BE447814D patent/BE447814A/xx unknown
- 1942-11-03 FR FR887489D patent/FR887489A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR887489A (fr) | 1943-11-15 |
| CH236602A (de) | 1945-02-28 |