Semi-organic foams

Details Semi-organic foams Semi-organic foams

1986-12-31

1987-11-24

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521131, 521133, 521140, 521149, 521150, 521182, 560 81, C08J 914

Patent

active

047089709

ABSTRACT:
An in situ foamable semi-organic composition, a half ester compound useful in such a composition and a foam prepared by reacting such an adduct are disclosed. A half ester adduct is prepared by reacting an anhydride and an unsaturated conjugated vinyl hydroxy compound and generally has the structure

REFERENCES:
patent: 3652521 (1972-03-01), Abend
patent: 3760047 (1973-09-01), Gaeth et al.

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