Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1983-09-29
1985-03-12
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
264 53, 264DIG9, 521 56, 521 60, 521143, 521144, C08J 922
Patent
active
045046018
ABSTRACT:
A process for producing pre-foamed particles of a polypropylene resin which comprises expanding original pre-foamed particles of a polypropylene resin, said original pre-foamed particles having the following relation
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Kuwabara Hideki
Sudo Yoshimi
Yamaguchi Toru
Yoshimura Shohei
Foelak Morton
Japan Styrene Paper Corporation
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