Steam explosion treatment with addition of chemicals

United States of America Patent

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Jan 14, 2003
Grant Date
Sep 13, 2001
app pub date
Feb 2, 2001
filing date
Dec 30, 1998

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Expired

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Abstract

Virgin fibers or de-inked recycled fibers modified by steam explosion in the presence of certain chemicals are able to form handsheets with higher bulk while substantially retaining strength and brightness.

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Patent Owner	Address
HAWK J RICHARD AGENT FOR CERTAIN LENDERS	2200 ROSS AVENUE THIRD FLOOR DALLAS TX 75201

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Inventor Name	Address	# of filed Patents	Total Citations
Hu, Sheng-Hsin	Appleton, WI	51	1404
Sun, Tong	Neenah, WI	180	3837

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Steam explosion treatment with addition of chemicals

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09775919

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PATENT NO	6506282
APP PUB NO	20010020520A1
SERIAL NO	09775919
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
January 14, 2003	US,6506282,B2 US6506282B2	GRANTED PATENT AS SECOND PUBLICATION
September 13, 2001	US,20010020520,A1 US20010020520A1	FIRST PUBLISHED PATENT APPLICATION

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09775919

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