Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1989-10-18
1991-01-08
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, 430353, 430617, 430619, 430957, 430960, C03C 800
Patent
active
049834940
ABSTRACT:
An image is formed in a photographic element by a process comprising a step of heating a heat-developable photosensitive material in the presence of a specific compound which typically releases a phenylmercaptotetrazole having a substituted benzene ring and serving as a development retarder.
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patent: 4708927 (1987-11-01), Okamura et al.
Kato Masatoshi
Kitaguchi Hiroshi
Fuji Photo Film Co. , Ltd.
Michl Paul R.
Wright Lee C.
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