Dye intermediates
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United States of America Patent
Stats
-
Oct 26, 1999
Grant Date -
N/A
app pub date -
May 20, 1998
filing date -
Nov 22, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A compound of the formula: ##STR1## wherein: A is hydrogen, a substituted or unsubstituted C.sub.1 to C.sub.4 alkyl, a substituted or unsubstituted C.sub.1 to C.sub.4 alkoxy or a substituted or unsubstituted phenyl; W is a substituted or unsubstituted phenylene or a substituted or unsubstituted naphthylene; Y is--CH.sub.2 --CH.sub.2 --Z wherein Z is selected from --OSO.sub.3 H, --SSO.sub.3 H, --OPO.sub.3 H, --OCOCH.sub.2 --Cll.sub.3, Cl, Br or F; and m is 1 or 2, e is 0 or 1, with the sum of e+m=2.
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