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Inventor
WITTMER PAUL
DE
2 patents
Patents
2 patents
US4525484A
Jun 25, 1985
Particulate polystyrene containing blowing agent and having improved expandability
BASF AG
20 citations
80
US4520135A
May 28, 1985
Particulate polystyrene containing blowing agent and having improved expandability
BASF AG
13 citations
72