Membrane suitable for electrochemical cells

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component

Reexamination Certificate

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C428S323000, C428S324000, C428S330000, C429S251000, C429S252000, C429S254000

Reexamination Certificate

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06949285

ABSTRACT:
A membrane comprising a composition including(a) 1 to 99 wt-% of at least one polyurethane elastomer comprising at least one hard segment and at least one soft segment, and(b) 99 to 1 wt-% of a solid,wherein said solid is incorporated in said at least one polyurethane elastomer.

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patent: 95/10860 (1995-04-01), None
patent: 96/03781 (1996-02-01), None
Van Krevelen, D.W., Properties of Polymers: Their Estimation and Correlation with Chemical Structure, 2nded., Elsevier, 1976, pp. 99-127.
Derwent Abstract JP 05021050, Jan. 1993.
Abstract, DE 19 612769-A1, Oct. 1997.
Patent Abst.of Japan 08059981, Mar. 1996.
Ullmann's Encyclopedia of Industrial Chemistry Fifth Edition, vol. A3, pp. 343-397, 1985.

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