Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1981-01-05
1982-10-19
Downey, Mary F.
Radiation imagery chemistry: process, composition, or product th
Transfer procedure between image and image layer, image...
Diffusion transfer process, element, or identified image...
430240, 430443, 430505, 430957, 430564, G03C 554, G03C 106
Patent
active
043550924
ABSTRACT:
There are disclosed novel compounds which are represented by the formula ##STR1## wherein X represents the nonmetallic atoms necessary to form a nucleus which completes a 5- or 6-membered heterocyclic moiety, R is H, an alkali metal or a group which is cleavable in aqueous alkaline medium and Z is H, alkyl having from 1 to 10 carbon atoms, aralkyl such as benzyl or phenethyl, phenyl or substituted phenyl. The compounds are useful in photographic applications.
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Research Disclosure, Jul. 1974, p. 12, Abst. No. 12319.
Mehta Avinash C.
Nawn George H.
Taylor Lloyd D.
Downey Mary F.
Maccarone Gaetano D.
Polaroid Corporation
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