Polymethylene polyphenyl polyisocyanate based prepolymers

Details Polymethylene polyphenyl polyisocyanate based prepolymers Polymethylene polyphenyl polyisocyanate based prepolymers

1994-06-20

2000-06-20

Gorr, Rachel

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

2521822, 25218221, 521159, 521160, 528 60, 528 61, 528 62, 528 63, 528 64, 528 65, 528 66, C08G 1810

Patent

active

060774568

ABSTRACT:
This invention is a liquid polyisocyanate prepolymer comprising the reaction product of an organic polyisocyanate blend and a polyoxyalkylene polyol, where polyisocyanate blend is

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patent: 5070114 (1991-12-01), Watts et al.
patent: 5091437 (1992-02-01), Lunardon et al.
patent: 5132334 (1992-07-01), Gansen et al.

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