Expanded porous thermoplastic polymer membranes

United States of America Patent

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Nov 1, 2005
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Feb 13, 2003
app pub date
Sep 26, 2002
filing date
Jan 29, 1998

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Abstract

Open-celled membranes from thermoplastic polymers are prepared from foamed polymer melts by extrusion through a die and particulary suitable for filtration.

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Patent Owner	Address
SARTORIUS STEDIM BIOTECH GMBH	37079 GÖTTINGEN

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B01D:SEPARATION

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Inventor Name	Address	# of filed Patents	Total Citations
Klotzer, Rebecca	Cottingon, DE	4	88

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Expanded porous thermoplastic polymer membranes

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United States of America Patent

10256422

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PATENT NO	6960616
APP PUB NO	20030032686A1
SERIAL NO	10256422
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 01, 2005	US,6960616,B2 US6960616B2	GRANTED PATENT AS SECOND PUBLICATION
February 13, 2003	US,20030032686,A1 US20030032686A1	FIRST PUBLISHED PATENT APPLICATION

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10256422

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