FR955699A - - Google Patents
Info
- Publication number
- FR955699A FR955699A FR955699DA FR955699A FR 955699 A FR955699 A FR 955699A FR 955699D A FR955699D A FR 955699DA FR 955699 A FR955699 A FR 955699A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
- G03C1/815—Photosensitive materials characterised by the base or auxiliary layers characterised by means for filtering or absorbing ultraviolet light, e.g. optical bleaching
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Luminescent Compositions (AREA)
- Printing Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB578642A GB557109A (en) | 1942-04-29 | 1942-04-29 | Improvements relating to the use of luminescent materials in the accurate reproduction of drawings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR955699A true FR955699A (hu) | 1950-01-18 |
Family
ID=9802589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR955699D Expired FR955699A (hu) | 1942-04-29 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR955699A (hu) |
| GB (1) | GB557109A (hu) |
-
0
- FR FR955699D patent/FR955699A/fr not_active Expired
-
1942
- 1942-04-29 GB GB578642A patent/GB557109A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB557109A (en) | 1943-11-04 |