Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...
Patent
1990-01-26
1992-04-21
Welsh, Maurice J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From reactant having at least one -n=c=x group as well as...
2643281, 2643286., 2643288, 528 60, 528 61, 528 64, C08G 1810
Patent
active
051069350
ABSTRACT:
The invention relates to reaction injection molded elastomers derived from high molecular weight amine terminated polyethers, an aromatic diamine chain extender and a quasi-prepolymer made from an excess of polyisocyanate reacted with polycarbonate polyols and polyether polyols.
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patent: 4433067 (1984-02-01), Rice et al.
patent: 4444910 (1984-04-01), Rice et al.
patent: 4456745 (1984-06-01), Rajan
patent: 4507444 (1985-03-01), Slawyk et al.
patent: 4822841 (1989-04-01), Murray et al.
Crawford Wheeler C.
Cuscurdia Michael
Grigsby, Jr. Robert A.
Johnson Rachel
Park Jack H.
Priem Kenneth R.
Texaco Chemical Company
Welsh Maurice J.
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