Imidazolyl derivatives, their use as curing agents in epoxy-resin compositions, and curable epoxy-resin compositions and molded epoxy-resin articles incorporating said imidazolyl derivatives
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United States of America Patent
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Dec 29, 1992
Grant Date -
N/A
app pub date -
Mar 28, 1991
filing date -
Apr 2, 1990
priority date (Note) -
Expired
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Abstract
The invention relates to new compounds of the general formula ##STR1## where R is a divalent, optionally branched aliphatic, cyclic or alicyclic hydrocarbon group having from 2 to 10 carbon atoms; R.sup.1 and R.sup.2 are, independently of one another, hydrogen, or aliphatic or aromatic hydrocarbon groups; R.sup.3 is --COOH, --CN, --COOC.sub.2 H.sub.4 --OH, --CONH--NH.sub.2 or --COOR.sup.4 ; R.sup.4 is an aliphatic hydrocarbon group having from 1 to 4 carbon atoms; and n is 2 or 3.
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