H - Electricity – 01 – M
Patent
H - Electricity
01
M
319/55
H01M 2/18 (2006.01) H01M 2/16 (2006.01) H01M 6/50 (2006.01) H01M 10/50 (2006.01) H01M 10/42 (2006.01)
Patent
CA 1266504
BATTERY SEPARATOR Abstract A multiply sheet product useful as a battery separator having at least two plies each in the form of a microporous sheet of predetermined length and breath and a thickness of less than 10 mils wherein (a) at least one of said ply being a sheet capable of transforming to a substantially non-porous membrane at a temperature between about 80° and 150° C while essentially maintaining its length and breath dimensions and (b) at least one ply being a sheet capable of maintaining its dimensions and porosity at temperatures from ambient to at least about 10°C greater than the transformation temperature of sheet (a).
508195
Lundquist Joseph Theodore
Lundsager Christian Bent
Palmer Nigel Innes
Troffkin Howard Julian
Celgard Inc.
Gowling Lafleur Henderson Llp
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