Curing agents for epoxy resins
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United States of America Patent
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Aug 13, 2002
Grant Date -
N/A
app pub date -
Feb 5, 2001
filing date -
Sep 29, 1998
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Expired
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Abstract
A curing agent for epoxy resin which comprises at least one selected from the compound of the formula (1) and its salt, as an effective component ##STR1## wherein X is --(CH.sub.2)n- or --(CH.sub.2)1-Y--(CH.sub.2)m- , Y is --N(R.sup.1)--, --O-- or --S--, R.sup.1 is alkyl having 1 to 8 carbon atoms or amino. n is a number of 2, 3, 5 to 11, 1 and m are each a number of 1 to 8.
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