Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1982-07-16
1985-02-05
Welsh, Maurice J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
5211091, 523111, 523121, 524732, 524733, C08L 7504
Patent
active
044979142
ABSTRACT:
Disclosed is a new breathable ostomy gasket composition derived from the non-aqueous reaction of a polyisocyanate and a polyoxyalkylene polyol moiety having a hydrophilic filler incorporated within the polyol moiety prior to the reaction of the polyisocyanate and the polyol.
REFERENCES:
patent: 3586648 (1971-06-01), Sambeth et al.
patent: 4011871 (1977-03-01), Taft
patent: 4181637 (1980-01-01), Busch et al.
Allen, Jr. Douglas
Flam Eric
C. R. Bard Inc.
Welsh Maurice J.
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