Hydrophobic polyurethane foam

United States of America Patent

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Jun 8, 2004
Grant Date
Oct 24, 2002
app pub date
Feb 15, 2001
filing date
Feb 15, 2001

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Abstract

The invention is a hydrophobic polyurethane foam prepared from a conventional PO/EO polyether polyol, a graft polyol and a hydrophobicity inducing surfactant. The foam is sufficiently hydrophobic to pass a stringent water impermeability test.

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Patent Owner	Address
WM T BURNETT IP LLC	1500 BUSH STREET BALTIMORE MD 21230

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C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....

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[Patents Count]

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Inventor Name	Address	# of filed Patents	Total Citations
Kelly, David J	Chadds Ford, PA	16	297

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Hydrophobic polyurethane foam

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United States of America Patent

09783018

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PATENT NO	6747068
APP PUB NO	20020156141A1
SERIAL NO	09783018
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
June 08, 2004	US,6747068,B2 US6747068B2	GRANTED PATENT AS SECOND PUBLICATION
October 24, 2002	US,20020156141,A1 US20020156141A1	FIRST PUBLISHED PATENT APPLICATION

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09783018

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