Filtration device and process for its manufacture

United States of America Patent

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Aug 27, 2002
Grant Date
Nov 8, 2001
app pub date
Dec 9, 1998
filing date
Apr 10, 1997

priority date (Note)
Expired

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Abstract

Disclosed is a process for manufacturing a filtration device. The process includes a fibre carding procedure which forms a web. The filtration device in accordance with the invention takes the form of a web having a single layer lap.

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Patent Owner	Address
VALCO	43 RUE BAYEN PARIS 75017

International Classification(s)

B01D:SEPARATION

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Guerin, Richard	Ronfeugerai, FR	11	163
Legrand, Claude	Conde sur Noireau, FR	6	88

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Filtration device and process for its manufacture

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09202147

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PATENT NO	6440192
APP PUB NO	20010037540A1
SERIAL NO	09202147
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
August 27, 2002	US,6440192,B2 US6440192B2	GRANTED PATENT AS SECOND PUBLICATION
November 08, 2001	US,20010037540,A1 US20010037540A1	FIRST PUBLISHED PATENT APPLICATION

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09202147

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