Imidazole ether compounds
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United States of America Patent
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Apr 30, 1991
Grant Date -
N/A
app pub date -
Jun 27, 1989
filing date -
Jun 27, 1988
priority date (Note) -
Expired
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Abstract
A urethane catalyst which is an imidazole ether compound of the formula ##STR1## where R.sub.1, R.sub.2 and R.sub.3 are independently hydrogen, methyl or ethyl and R.sub.4 is ethylene, n-propylene or isopropylene. The imidazole compounds provide for delayed initiation while maintaining an acceptable cure time in the production of polyurethane foam.
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