Invention Grant
- Patent Title: Battery separator
- Patent Title (中): 电池分离器
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Application No.: US808591Application Date: 1991-12-20
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Publication No.: US5281491APublication Date: 1994-01-25
- Inventor: Burton M. Rein , Howard J. Troffkin , Robert M. Spotnitz , Richard T. Giovannoni , Yihong Guo
- Applicant: Burton M. Rein , Howard J. Troffkin , Robert M. Spotnitz , Richard T. Giovannoni , Yihong Guo
- Applicant Address: NY New York
- Assignee: W. R. Grace & Co.
- Current Assignee: W. R. Grace & Co.
- Current Assignee Address: NY New York
- Main IPC: C08J9/26
- IPC: C08J9/26 ; C08J9/28 ; H01M2/16
Abstract:
The present invention is directed to a multi-ply unfilled microporous sheet product composed of at least one first ply and at least one second ply which are, respectively, formed from polymeric compositions having different rheological properties and to a method of forming said sheet product.
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