Microporous membranes from isotactic polystyrene and syndiotactic polystyrene

United States of America Patent

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May 22, 1990
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N/A
app pub date
Jul 14, 1989
filing date
Jul 14, 1989

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Expired

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Abstract

This invention relates to novel semi-permeable isotropic or anisotropic microporous membranes fabricated from a mixture of isotactic polystyrene and syndiotactic polystyrene and a method of producing such membranes.

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Patent Owner(s)

Patent Owner	Address
DOW CHEMICAL COMPANY THE	2030 DOW CENTRE ABBOTT ROAD MIDLAND MICHIGAN 48640 UNITED STATES OF AMERICA

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B01D:SEPARATION

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Beck, Henry N	Walnut Creek, CA	19	473
Mahoney, Robert D	Danville, CA	15	409

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Microporous membranes from isotactic polystyrene and syndiotactic polystyrene

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07380845

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PATENT NO	4927535
SERIAL NO	07380845
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07380845

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