Fast curing compositions
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United States of America Patent
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May 17, 2005
Grant Date -
Jun 17, 2004
app pub date -
Oct 27, 2003
filing date -
Oct 28, 2002
priority date (Note) -
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Abstract
Fast curing surgical adhesives and sealants contain an NCO-terminated hydrophilic urethane prepolymer derived from an aromatic diisocyanate and a polyol. Substantially all the aromatic diisocyanate used to prepare the NCO-terminated hydrophilic urethane prepolymer is in the para form. Optionally, the aromatic diisocyanate is substituted with at least one electron withdrawing group, such as, for example, a fluorine group.
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