GB510598A - Improved material for colour photography - Google Patents
Improved material for colour photographyInfo
- Publication number
- GB510598A GB510598A GB298538A GB298538A GB510598A GB 510598 A GB510598 A GB 510598A GB 298538 A GB298538 A GB 298538A GB 298538 A GB298538 A GB 298538A GB 510598 A GB510598 A GB 510598A
- Authority
- GB
- United Kingdom
- Prior art keywords
- layer
- colour
- blue
- red
- support
- 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
- G03C1/00—Photosensitive materials
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
- G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Filters (AREA)
Abstract
510,598. Colour photography. GROVES; W. W. (I. G. Farbenindustrie Akt.-Ges.). Jan. 31, 1938, No. 2985. [Class 98 (ii)] A material for colour photography comprises a support, one or more light sensitive layers and a separate light filter layer for use in projection of the colour picture and which is resistant to decolorizations by photographic treatment baths, the filter layer lying behind the light sensitive layer or layers during the exposure. In one example a layer coloured feebly blue with Brilliant Benzo Fast Green is cast on the emulsion layer of a multi-colour grain screen film or plate, or one coloured with Fulling Yellow and Methyl Blue is cast on the emulsion layer of a lenticular screen film, the latter dye being removed in the treatment baths. The layer which is of a neutral grey colour thus acts as an antihalation layer. A material comprising three superimposed emulsion layers each differently sensitized and on one side of the support, has on the other side of the support a red layer which contains a mixture of Supranol Red B and Supranol Red 3B. The tint of this filter is afterwards determined in accordance with its use, by immersion in a bath of thiourea. The two dyestuffs have a different resistance to the bleaching action of the bath and give a range of colour from blue to red. A material with two emulsion layers on one side and one emulsion layer on the other side of the support has a filter layer of Brilliant Cresyl Blue, the tint being determined by acid or alkaline treatment giving the colours blue or yellow respectively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB298538A GB510598A (en) | 1938-01-31 | 1938-01-31 | Improved material for colour photography |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB298538A GB510598A (en) | 1938-01-31 | 1938-01-31 | Improved material for colour photography |
Publications (1)
Publication Number | Publication Date |
---|---|
GB510598A true GB510598A (en) | 1939-07-31 |
Family
ID=9749733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB298538A Expired GB510598A (en) | 1938-01-31 | 1938-01-31 | Improved material for colour photography |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB510598A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2489662A (en) * | 1946-09-10 | 1949-11-29 | Light-sensitive photographic | |
US3114833A (en) * | 1948-02-25 | 1963-12-17 | Bernard M Fine | Multicolor radiography |
-
1938
- 1938-01-31 GB GB298538A patent/GB510598A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2489662A (en) * | 1946-09-10 | 1949-11-29 | Light-sensitive photographic | |
US3114833A (en) * | 1948-02-25 | 1963-12-17 | Bernard M Fine | Multicolor radiography |
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