Polymer electrolyte having acidic, basic and elastomeric subunits

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United States of America Patent

PATENT NO 7052805
APP PUB NO 20020127454A1
SERIAL NO

09872770

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Abstract

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The invention includes compositions comprising at least first and second polymers and optionally a third polymer wherein acid subunits, basic subunits and elastomeric subunits are contained in the polymers. In one aspect, the composition comprises a ternary polymer blend comprising an acidic polymer comprising acidic subunits, a basic polymer comprising basic subunits and an elastomeric polymer comprising elastomeric subunits. In an alternate aspect, the composition comprises a binary polymer blend which comprises acidic or basic subunits in one polymer and a copolymer comprising the other of the acidic or basic subunit and an elastomeric subunit. Such polymer compositions may be formed into a membrane having electrochemical properties which permit the use of such a membrane in an electrochemical device.

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Patent Owner(s)

Patent OwnerAddress
SRI INTERNATIONAL333 RAVENSWOOD AVENUE MENLO PARK CA 94025

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Narang, Subhash Palo Alto, CA 16 429
Olmeijer, David L San Francisco, CA 3 44
Ventura, Susanna C Los Altos, CA 14 585

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