Preparation of hard foams containing urethane groups or containi

Details Preparation of hard foams containing urethane groups or containi Preparation of hard foams containing urethane groups or containi

1991-08-19

1992-11-10

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521125, 521129, 521130, 521902, C08J 908

Patent

active

051623854

ABSTRACT:
A process for the preparation of a hard foam containing urethane groups or containing urethane and isocyanurate groups involves reacting

REFERENCES:
patent: 4743627 (1988-05-01), Narayan et al.
patent: 4758605 (1988-07-01), Williams
patent: 5025039 (1991-06-01), Neuhaus et al.

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