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公开(公告)号:US3779958A
公开(公告)日:1973-12-18
申请号:US3779958D
申请日:1971-07-15
申请人: GRACE W R & CO
发明人: OHBA K
CPC分类号: C08J9/28 , B29C67/202 , C08J2361/34 , H01M2/1653
摘要: MICROPOROUS RESINOUS SHEETS PARTICULARLY USEFUL AS BATTERY SEPARATORS ARE PREPARED FROM PHENOL/FORMALDEHYDE/ AMINE RESINOUS PRE-PRODUCTS.