GB1456225A - Photographic diffusion transfer products and processes - Google Patents
Photographic diffusion transfer products and processesInfo
- Publication number
- GB1456225A GB1456225A GB5633173A GB5633173A GB1456225A GB 1456225 A GB1456225 A GB 1456225A GB 5633173 A GB5633173 A GB 5633173A GB 5633173 A GB5633173 A GB 5633173A GB 1456225 A GB1456225 A GB 1456225A
- Authority
- GB
- United Kingdom
- Prior art keywords
- layer
- sensitive
- silver halide
- diffusion transfer
- photo
- 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
- G03C8/02—Photosensitive materials characterised by the image-forming section
- G03C8/08—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Abstract
1456225 Photographic diffusion transfer colour material POLAROID CORP 5 Dec 1973 [7 Dec 1972] 56331/73 Heading G2C A photographic material having an exposure surface comprises a support and at least one composite photo-sensitive silver halide unit comprising a first photo-sensitive layer and, coplanar with and on the side of the first layer distant from the exposure surface, a second photo-sensitive layer containing diffusion transfer process dye imageforming material, in which the first layer exhibits greater sensitivity to incident actinic radiation than the second layer and preferably the mean silver halide grain size in the first layer is larger than that in the second layer. The material may also comprise an image-receiving layer. The mean grain size may be 0À2-3À0, preferably 0À5-2À0, microns. A layer of opacifying agent, or means for forming such a layer, may be present between the silver halide and image-receiving layers. In the Example the material contains two green-sensitive and two red-sensitive silver halide layers as defined above.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US31282772A | 1972-12-07 | 1972-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1456225A true GB1456225A (en) | 1976-11-24 |
Family
ID=23213190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5633173A Expired GB1456225A (en) | 1972-12-07 | 1973-12-05 | Photographic diffusion transfer products and processes |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5751095B2 (en) |
| CA (1) | CA1019188A (en) |
| DE (1) | DE2360944C2 (en) |
| FR (1) | FR2209952B1 (en) |
| GB (1) | GB1456225A (en) |
| NL (1) | NL177778C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2166559A (en) * | 1984-09-14 | 1986-05-08 | Fuji Photo Film Co Ltd | Photosensitive element for use in the silver salt diffusion transfer process |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4115117A (en) * | 1975-11-07 | 1978-09-19 | Konishiroku Photo Industry Co., Ltd. | Color diffusion transfer process employing phosphoramides |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3505068A (en) * | 1967-06-23 | 1970-04-07 | Eastman Kodak Co | Photographic element |
-
1973
- 1973-12-05 FR FR7343476A patent/FR2209952B1/fr not_active Expired
- 1973-12-05 GB GB5633173A patent/GB1456225A/en not_active Expired
- 1973-12-06 CA CA187,582A patent/CA1019188A/en not_active Expired
- 1973-12-06 DE DE19732360944 patent/DE2360944C2/en not_active Expired
- 1973-12-06 NL NL7316722A patent/NL177778C/en not_active IP Right Cessation
- 1973-12-07 JP JP13724273A patent/JPS5751095B2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2166559A (en) * | 1984-09-14 | 1986-05-08 | Fuji Photo Film Co Ltd | Photosensitive element for use in the silver salt diffusion transfer process |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2360944A1 (en) | 1974-06-12 |
| JPS5751095B2 (en) | 1982-10-30 |
| NL177778B (en) | 1985-06-17 |
| CA1019188A (en) | 1977-10-18 |
| FR2209952B1 (en) | 1982-02-19 |
| NL177778C (en) | 1985-11-18 |
| NL7316722A (en) | 1974-06-11 |
| DE2360944C2 (en) | 1987-01-29 |
| FR2209952A1 (en) | 1974-07-05 |
| JPS4990534A (en) | 1974-08-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19921205 |