BE741253A - - Google Patents
Info
- Publication number
- BE741253A BE741253A BE741253DA BE741253A BE 741253 A BE741253 A BE 741253A BE 741253D A BE741253D A BE 741253DA BE 741253 A BE741253 A BE 741253A
- 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
- G03C1/485—Direct positive emulsions
- G03C1/48515—Direct positive emulsions prefogged
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR172465 | 1968-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE741253A true BE741253A (en) | 1970-04-16 |
Family
ID=8656450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE741253D BE741253A (en) | 1968-11-04 | 1969-11-04 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE741253A (en) |
| FR (1) | FR1590533A (en) |
| GB (1) | GB1294327A (en) |
-
1968
- 1968-11-04 FR FR1590533D patent/FR1590533A/fr not_active Expired
-
1969
- 1969-11-03 GB GB5376369A patent/GB1294327A/en not_active Expired
- 1969-11-04 BE BE741253D patent/BE741253A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1294327A (en) | 1972-10-25 |
| FR1590533A (en) | 1970-04-13 |