Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1987-02-21
1989-05-16
Shah, Mukund J.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430503, 430506, 430507, 430509, 430544, 430549, 430558, 430957, G03C 108, G03C 146, G03C 726, G03C 732
Patent
active
048309540
ABSTRACT:
The sensitivity of color photographic negative films may be increased without loss of color quality or sharpness by applying at least one panchromatically sensitized, highly sensitive and black-coupling layer as uppermost, additional light sensitive and dye-forming layer on the side of the film facing the object and including in the negative material sufficient DIR-Coupler to produce an interimage effect of .gtoreq.10% in the yellow region, .gtoreq.25% in the magenta region and .gtoreq.15% in the cyan region.
REFERENCES:
patent: 4348474 (1982-09-01), Scheeer et al.
patent: 4414308 (1983-11-01), Hamada
patent: 4500634 (1985-02-01), Sakanoue et al.
patent: 4725529 (1988-02-01), Shimazaki et al.
patent: 4729943 (1988-03-01), Pfaff et al.
patent: 4748107 (1988-05-01), Umemoto et al.
Agfa-Gevaert Aktiengesellschaft
Shah Mukund J.
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