Polyol-modified polyanhydride curing agent for polyepoxide powder coatings
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United States of America Patent
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Oct 8, 1991
Grant Date -
N/A
app pub date -
Jul 16, 1987
filing date -
Jul 16, 1987
priority date (Note) -
Expired
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Abstract
There is disclosed herein an improved thermosetting powder coating composition comprising an epoxy resin and a curing agent, the improvement comprising the curing agent which is a polyol-modified polymeric polyanhydride containing anhydride linkages in the polymeric backbone.
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