Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1998-11-03
2000-07-11
Letscher, Geraldine
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430505, 430506, 430543, 430531, 430533, 430534, 430535, 430536, 430537, G03C 108, G03C 726, G03C 732
Patent
active
060870834
ABSTRACT:
A colour photographic material in which a package of layers is provided which consists, in the stated sequence, of (a) a silver halide-free layer containing colour coupler, (b) a layer containing silver halide and (c) a silver halide-free layer containing colour coupler, wherein at least one of layers (a) and (c) consists to an extent of at least 20 vol. % of a synthetic polymer, is distinguished by an improved grain/sensitivity ratio.
REFERENCES:
patent: 4186011 (1980-01-01), Lohmann et al.
patent: 4857448 (1989-08-01), Simons
Bell Peter
Buscher Ralf
Endres Lothar
Rosenhahn Lothar
Scheerer Rainer
Asfa-Gevaert N.V.
Letscher Geraldine
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