Wood particle filled polyvinyl chloride composites and their foams

United States of America Patent

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Nov 4, 2008
Grant Date
Dec 28, 2006
app pub date
Apr 21, 2006
filing date
Apr 29, 2005

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Expired

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Abstract

Extruded composite compositions of PVC and wood particles containing chitosan or chitin as a coupling agent are described. The composite compositions have improved physical and mechanical properties.

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Patent Owner(s)

BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY;MICHIGAN TECHNOLOGICAL UNIVERSITY

International Classification(s)

B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Heiden, Patricia A	Houghton, MI	3	96
Matuana, Laurent M	Holt, MI	2	13
Shah, Bhavesh L	Webb City, MO	1	10

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Wood particle filled polyvinyl chloride composites and their foams

Number of patents in Portfolio can not be more than 2000

United States of America Patent

11408779

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PATENT NO	7446138
APP PUB NO	20060293418A1
SERIAL NO	11408779
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 04, 2008	US,7446138,B2 US7446138B2	GRANTED PATENT AS SECOND PUBLICATION
December 28, 2006	US,20060293418,A1 US20060293418A1	FIRST PUBLISHED PATENT APPLICATION

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11408779

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