Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1993-03-19
1993-10-12
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521 60, 521 72, C08J 916, C08J 920
Patent
active
052526178
ABSTRACT:
The invention relates to expandable polyurethane powder preparations containing blowing agents and to their use for the production of foamed polyurethane moldings.
REFERENCES:
patent: 4940750 (1990-07-01), Roshauser et al.
patent: 4985490 (1991-01-01), Rosthauser et al.
Meckel Walter
Wegener Dirk
Werner Joachim
Bayer Aktiengesellschaft
Brown N. Denise
Foelak Morton
Gil Joseph C.
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