Process for improving color develop-ability of reversal photographic films
Abstract
Abstract THERE IS PROVIDED AN IMPROVEMENT IN THE CONVENTIONAL REVERSAL COLOR PROCESS, WHEREIN A PHOTOGRAPHIC ELEMENT CONTAINING THREE PHOTOGRAPHIC SILVER HALIDE EMULSION LAYERS IS SUBJECTED TO (1) A FIRST EXPOSURE TO PRODUCE A LATENT IMAGE, (2) DEVELOPMENT IN A PHOTOGRAPHIC DEVELOPER FOR PRODUCING A BLACK-AND-WHITE NEGATIVE IMAGE, (3) EXPOSURE TO LIGHT OF A COLOR TO WHICH SAID FIRST EXPOSED SILVER HALIDE EMULSION LAYER IS SENSITIVE, AND (4) A SECOND DEVELOPMENT IN A COLOR DEVELOPER CONTAINING AN AROMATIC PRIMARY AMINE COLOR DEVELOPER CONTAINFOR PRODUCING A COLORED IMA AMINE COLOR DEVELOPING AGENT AND A PHOTOGRAPHIC COLOR COUPLER SELECTED FROM THE GROUP CONSISTING OF A MAGENTA FORMING PYRAZOLONE COLOR COUPLER, A CYAN FORMING PHENOLIC COUPLER, AND A YELLOW FORMING OPEN CHAIN KETOMETHYLENE COLOR COUPLER, THE IMPROVEMENT COMPRISING PROVIDING AS A BINDER FOR SAID SILVER HALIDE, GELATIN AND A SPECIFIC WATER-SOLUBLE COPOLYMER EXHIBITING A MOLECULAR WEIGHT OF FROM 5,000 TO 3,000,000 AND FURTHER CONTAINING A SPECIFIC REPEATING UNIT WITHIN ITS MOLECULAR STRUCTURE.
Inventors
- 👤 T Nagae
- 👤 N Tsuji
- 👤 T Miyazako
Bibliographic Details
Claims Analysis
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