FR74652E - Diffusion transfer process for obtaining direct positive photographic images - Google Patents
Diffusion transfer process for obtaining direct positive photographic imagesInfo
- Publication number
- FR74652E FR74652E FR781642A FR781642A FR74652E FR 74652 E FR74652 E FR 74652E FR 781642 A FR781642 A FR 781642A FR 781642 A FR781642 A FR 781642A FR 74652 E FR74652 E FR 74652E
- Authority
- FR
- France
- Prior art keywords
- transfer process
- photographic images
- diffusion transfer
- direct positive
- positive photographic
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE574756D BE574756A (en) | 1958-12-15 | ||
FR781642A FR74652E (en) | 1958-12-15 | 1958-12-15 | Diffusion transfer process for obtaining direct positive photographic images |
GB4003459A GB867174A (en) | 1958-12-15 | 1959-11-25 | Improvements in or relating to the photographic diffusion transfer process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR781642A FR74652E (en) | 1958-12-15 | 1958-12-15 | Diffusion transfer process for obtaining direct positive photographic images |
Publications (1)
Publication Number | Publication Date |
---|---|
FR74652E true FR74652E (en) | 1960-12-26 |
Family
ID=8709250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR781642A Expired FR74652E (en) | 1958-12-15 | 1958-12-15 | Diffusion transfer process for obtaining direct positive photographic images |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE574756A (en) |
FR (1) | FR74652E (en) |
GB (1) | GB867174A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE608384A (en) * | 1960-09-24 | |||
BE605802A (en) * | 1961-07-06 |
-
0
- BE BE574756D patent/BE574756A/xx unknown
-
1958
- 1958-12-15 FR FR781642A patent/FR74652E/en not_active Expired
-
1959
- 1959-11-25 GB GB4003459A patent/GB867174A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE574756A (en) | |
GB867174A (en) | 1961-05-03 |
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