IP Library › Granted Patent US 5,667,911
Granted Patent Utility
US 5,667,911 · App. 08/362,048

Methods of making cross-ply microporous membrane battery separator, and the battery separators made thereby

Inventors: Wei-Ching Yu, Carlton F. Dwiggins
Patented Case View Patent ↗
Granted: Sep 16, 1997 Filed: Dec 22, 1994
Inventors
Wei-Ching Yu
Carlton F. Dwiggins
Assignee (at issue)
Hoechst Celanese Corporation

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Quick Facts
Patent No.
US 5,667,911
App. No.
08/362,048
Filed
1994-12-22
Granted
1997-09-16
Kind
A