Chemistry: electrical current producing apparatus – product – and – With control means responsive to battery condition sensing... – Temperature control
Patent
1991-12-20
1994-01-25
Kalafut, Stephen
Chemistry: electrical current producing apparatus, product, and
With control means responsive to battery condition sensing...
Temperature control
429145, H01M 216
Patent
active
052814912
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.
REFERENCES:
patent: 4650730 (1987-03-01), Lundquist et al.
patent: 4731304 (1988-03-01), Lundquist et al.
patent: 4741979 (1988-05-01), Faust et al.
patent: 4973532 (1990-11-01), Taskier et al.
Giovannoni Richard T.
Guo Yihong
Rein Burton M.
Spotnitz Robert M.
Troffkin Howard J.
Kalafut Stephen
Troffkin Howard J.
W. R. Grace & Co.
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