GB503077A - Improvements in colour photography - Google Patents
Improvements in colour photographyInfo
- Publication number
- GB503077A GB503077A GB23689/37A GB2368937A GB503077A GB 503077 A GB503077 A GB 503077A GB 23689/37 A GB23689/37 A GB 23689/37A GB 2368937 A GB2368937 A GB 2368937A GB 503077 A GB503077 A GB 503077A
- Authority
- GB
- United Kingdom
- Prior art keywords
- colour
- dyestuff
- aug
- specifications
- produced
- 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
- G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
- G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Abstract
503,077. Colour photography I. G. FARBENINDUSTRIE AKT.-GES. Aug. 30, 1937, No. 23689. Convention date, Aug. 29, 1936: [Class 98 (ii)] In a process for producing photographic multi-colour pictures, there is used for exposure a material which carries silver halide emulsions sensitive to different spectral regions all or a part of which emulsions contain dyestuff formers fast to diffusion which can be converted into dyestuffs by colour development, the exposed material is subjected to colour development, and the originals thus produced are further copied on dyestuff bleaching-out layers. Dyestuff formers for use in the exposure material are described in Specifications 458,400, 465,823, and 479,838. Suitable dyestuff bleaching-out layers are produced by the processes described in Specifications 341,371, 343,212, 348,102, 348,232, 352,196, 388,670, and 426,346.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE503077X | 1936-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB503077A true GB503077A (en) | 1939-03-30 |
Family
ID=6546003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB23689/37A Expired GB503077A (en) | 1936-08-29 | 1937-08-30 | Improvements in colour photography |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR826044A (en) |
| GB (1) | GB503077A (en) |
-
1937
- 1937-08-27 FR FR826044D patent/FR826044A/en not_active Expired
- 1937-08-30 GB GB23689/37A patent/GB503077A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR826044A (en) | 1938-03-21 |
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