Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1998-01-28
1999-06-22
Le, Hoa Van
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430374, 430375, 430376, 430391, 430549, G03C 722
Patent
active
059142251
ABSTRACT:
A color negative photographic element is disclosed that a pair of fast green and red recording layer units coated to receive exposing radiation prior to at least one pair of slow green and red recording layer units. The green recording layer units together contain at least 1.0 g/m.sup.2 of silver with at least 60 percent of the silver in the green recording layer units being in a location other than the fast green recording layer unit, and the red recording layer units together contain at least 1.8 g/m.sup.2 of silver with at least 70 percent of the silver in the red recording layer units being in a location other than the fast red recording layer unit. When development times are reduced to 2 minutes or less during processing increased red speed, reduced granularity of the green record, and increased sharpness of the red record are observed.
REFERENCES:
patent: 4184876 (1980-01-01), Eeles et al.
patent: 4946767 (1990-08-01), Yamagami
Eastman Kodak Company
Le Hoa Van
Thomas Carl O.
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