Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1985-06-06
1986-12-23
Louie, Won H.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430372, 430546, 430554, G03C 726, G03C 738
Patent
active
046312528
ABSTRACT:
New hydroquinone ether compounds of formula I are described: ##STR1## wherein p is 1 or 2 and q is 0 or 1, provided that p+q is 1 or 2, R is a residue of formula II ##STR2## and R.sub.o, R.sub.oo, R.sub.1, R.sub.2, R.sub.3, Q, n and k are as defined in the specification.
The new compounds are useful e.g. as stabilizers in photographic material.
REFERENCES:
patent: 4139545 (1979-02-01), Morimoto et al.
patent: 4388312 (1983-06-01), Terao et al.
patent: 4388404 (1983-06-01), Morigaki et al.
patent: 4430425 (1984-02-01), Leppard
patent: 4484000 (1984-11-01), Howell
Ciba-Geigy AG
Louie Won H.
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