Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1980-09-29
1982-04-27
Welsh, Maurice J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521163, C08G 1814
Patent
active
043271952
ABSTRACT:
A polyurethane is comprised of the reaction product of a polyisocyanate and a polyreactive hydrogen compound having a polypeptide admixed therewith.
REFERENCES:
patent: 2763624 (1956-09-01), Newell
patent: 3663472 (1972-05-01), Raymond
patent: 4098645 (1978-07-01), Hartdegen et al.
patent: 4246360 (1981-01-01), Brown et al.
Cioca Gheorghe
Fertell Paul A.
Seton Company
Welsh Maurice J.
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