Non-cytotoxic polyurethane medical items

Details Non-cytotoxic polyurethane medical items Non-cytotoxic polyurethane medical items

1998-07-31

2000-02-29

Sergent, Rabon

Liquid purification or separation

Casing divided by membrane into sections having inlet

Energy recovery from treated liquid

21032161, 21032162, 21032171, 21050023, 21050024, 21050037, 422 28, 422 32, 525452, 525453, 528 49, 528 51, 528 72, 528480, 528483, 528490, 528491, B01D 6302, B01D 6304, B01D 6308, B01D 6300, A61L 200

Patent

active

060305304

ABSTRACT:
Medical article of manufacture comprising compositions, comprising: at least one polyisocyanate, preferably a non-aromatic polyisocyanate, in the monomer or prepolymer state; at least one polypol; and at least one organic compound comprising one or more phosphite functional groups, in the proportion of at least 1% by weight with respect to the total weight of the polyol or polyols, this organic compound being, in addition, non-aromatic and the carrier of at least one free hydroxyl group capable of reacting with an isocyanato group; and, if appropriate, at least one catalyst of the polymerization reaction of a polyisocyanate and of a polyol.

REFERENCES:
patent: 3354241 (1967-11-01), Larrison
patent: 3483147 (1969-12-01), Friedman
patent: 4332927 (1982-06-01), Simone
patent: 4621113 (1986-11-01), Collins
patent: 5035893 (1991-07-01), Shioya et al.
patent: 5306798 (1994-04-01), Horn et al.

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