Non-cytotoxic polyurethane medical items
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United States of America Patent
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Apr 10, 2001
Grant Date -
N/A
app pub date -
Jul 31, 1998
filing date -
Jul 31, 1997
priority date (Note) -
Expired
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Abstract
The invention relates to articles of manufacture of polyurethane-generating compositions for the manufacture of non-cytotoxic products for medical use, characterized in that these compositions contain: at least one polyisocyanate, preferably a non-aromatic polyisocyanate, in the monomer or prepolymer state; at least one polyol; and at least one dialkyl sulphoxide compound, preferably in the proportion of at least 2% by weight with respect to the total weight of the polyol or polyols.
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