Compositions – Light transmission modifying compositions
Patent
1988-09-23
1990-01-16
Schwartz, Richard A.
Compositions
Light transmission modifying compositions
548379, C07D23106, G02B 500
Patent
active
048941867
ABSTRACT:
A compound of the formula: ##STR1## wherein E is an ethenyl group of the formula: ##STR2## in which X is H when Y is NO.sub.2 ;
REFERENCES:
patent: 4780543 (1988-10-01), Gordon et al.
Bothwell Brian
Gordon Paul F.
Imperial Chemical Industries plc
Schwartz Richard A.
Sharpe Richard A.
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