Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Separator – retainer or spacer insulating structure
Reexamination Certificate
2008-04-01
2008-04-01
Tsang-Foster, Susy (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Separator, retainer or spacer insulating structure
Reexamination Certificate
active
07351494
ABSTRACT:
A separator based on a sheetlike flexible substrate having a multiplicity of openings and having a coating on and in the substrate, the material of the substrate being selected from woven or non-woven electrically nonconductive fibers of glass or ceramic or a combination thereof and the coating being a porous electrically insulating ceramic coating, characterized by a thickness of less than 100 μm; a process for producing the separator; and a battery comprising the separator.
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Hennige Volker
Hoerpel Gerhard
Hying Christian
Degussa - AG
Lee Cynthia
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Tsang-Foster Susy
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