Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1986-02-07
1989-04-25
Michl, Paul R.
Radiation imagery chemistry: process, composition, or product th
Transfer procedure between image and image layer, image...
Diffusion transfer process, element, or identified image...
430351, 430352, 430353, 430611, 430617, 430619, 430955, 430957, 430960, G03C 106, G03C
Patent
active
048247596
ABSTRACT:
A method for forming an image, which comprises heating a light-sensitive material in the presence of a compound capable of forming a 2-mercaptobenzazole ring by a ring closing reaction when heated.
In accordance with the method of the present invention, development is stopped at an appropriate time of development whereby an image having a high maximum density and low fog is obtained.
A heat-developable light-sensitive material containing the compound is also disclosed.
REFERENCES:
patent: 4420554 (1983-12-01), Ohashi et al.
patent: 4619884 (1986-10-01), Singer
patent: 4675277 (1987-06-01), Sato et al.
Kato Masatoshi
Kitaguchi Hiroshi
Sato Kozo
Takeuchi Masashi
Tsukase Masaaki
Fuji Photo Film Co. , Ltd.
Michl Paul R.
Wright Lee C.
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