GB854772A - Improvements in processes of photographic reproduction - Google Patents
Improvements in processes of photographic reproductionInfo
- Publication number
- GB854772A GB854772A GB1490158A GB1490158A GB854772A GB 854772 A GB854772 A GB 854772A GB 1490158 A GB1490158 A GB 1490158A GB 1490158 A GB1490158 A GB 1490158A GB 854772 A GB854772 A GB 854772A
- Authority
- GB
- United Kingdom
- Prior art keywords
- image
- processes
- silver
- silver halide
- receiving layer
- Prior art date
- 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
- G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
- G03C8/24—Photosensitive materials characterised by the image-receiving section
- G03C8/243—Toners for the silver image
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
Abstract
854,772. Migratory transfer processes. KODAK Ltd. May 8, 1959 [May 9, 1958], No. 14901/58. Class 98(2) In a silver salt diffusion process the transfer of silver halide from unexposed areas of the emulsion layer to the image-receiving layer is carried out in the presence of a silver halide solvent and either 1-amino-1; 3; 4-triazole-5- thiol or 1;3;4-thiadiazole-2;5-dithiol. The thiol compound may be present in the solution used to effect development or it may be incorporated into the image-receiving layer. In the examples, an image-receiving sheet comprises paper coated with gelatin, sodium thiosulphate, titanium dioxide, colloidal silver sulphide and either of the above thiols.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1490158A GB854772A (en) | 1958-05-09 | 1958-05-09 | Improvements in processes of photographic reproduction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1490158A GB854772A (en) | 1958-05-09 | 1958-05-09 | Improvements in processes of photographic reproduction |
Publications (1)
Publication Number | Publication Date |
---|---|
GB854772A true GB854772A (en) | 1960-11-23 |
Family
ID=10049535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1490158A Expired GB854772A (en) | 1958-05-09 | 1958-05-09 | Improvements in processes of photographic reproduction |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB854772A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1301944B (en) * | 1965-02-17 | 1969-08-28 | Sss Patents Ltd | Spur gear with a pinion that can be moved on its shaft |
-
1958
- 1958-05-09 GB GB1490158A patent/GB854772A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1301944B (en) * | 1965-02-17 | 1969-08-28 | Sss Patents Ltd | Spur gear with a pinion that can be moved on its shaft |
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