Method for producing paper and agent for improving yield

United States of America Patent

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Mar 17, 2009
Grant Date
Jan 19, 2006
app pub date
Mar 31, 2003
filing date
Apr 3, 2002

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Expired

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Abstract

concentration from 15 to 50 g/L wherein the value of the concentration is shown by [C], a viscosity from 0.12×[C] mPa·s to 15 mPa·s measured at 25° C, and a cationic component and/or an amphoteric component.

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Patent Owner(s)

Patent Owner	Address
TOKUYAMA CORPORATION	YAMAGUCHI
SEIKO PMC CORPORATION	3-6 NIHONBASHI HONCHO 3-CHOME CHUO-KU TOKYO 1030023

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D21H:PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED....

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Inventor Name	Address	# of filed Patents	Total Citations
Koga, Yoshiaki	Yamaguchi , JP	15	75
Kosuga, Masanori	Chiba, JP	1	2
Ogawa, Masatomi	Chiba, JP	5	38

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Method for producing paper and agent for improving yield

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United States of America Patent

10509893

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PATENT NO	7504001
APP PUB NO	20060011317A1
SERIAL NO	10509893
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
March 17, 2009	US,7504001,B2 US7504001B2	GRANTED PATENT AS SECOND PUBLICATION
January 19, 2006	US,20060011317,A1 US20060011317A1	FIRST PUBLISHED PATENT APPLICATION

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10509893

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