Photo-sensitive and heat-sensitive composition and recording ele

Details Photo-sensitive and heat-sensitive composition and recording ele Photo-sensitive and heat-sensitive composition and recording ele

1980-03-31

1981-12-15

Louie, Jr., Won H.

Radiation imagery chemistry: process, composition, or product th

Dye image from radiation sensitive dye or dye former by dry...

Composition or product

430341, 430337, 430936, 430340, 430342, 430343, 430344, 430141, 430156, 430159, 430161, 430164, 430167, 430177, 430178, 430179, 430188, 430196, 430162, G03C 152

Patent

active

043060145

ABSTRACT:
A photo-sensitive and heat-sensitive composition consisting essentially of a leuco-pigment; a hydrogen donator; a photo-reductant which, when exposed to a visible light, produces a reducing agent by the action of said hydrogen donator coexisting therewith; a photooxidant which, when exposed to an ultraviolet ray, causes said leuco-pigment coexisting therewith to generate color and simultaneously, when reacted with said reducing agent, is deprived of its own oxidizing ability; and a cobalt complex which reacts with the reducing agent in amplifying manner to thereby suppress the reaction of a color-forming system, and a recording element using the same.

REFERENCES:
patent: 3503742 (1970-03-01), Yamada et al.
patent: 3658543 (1972-04-01), Gerlach et al.
patent: 4124392 (1978-11-01), Adin et al.

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