Method for preparing poly-.alpha.-hydroxyacrylate aqueous solution

United States of America Patent

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Nov 30, 2004
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Jul 3, 2003
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Aug 14, 2002
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Aug 27, 2001

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Abstract

A method for preparing a poly-.alpha.-hydroxyacrylate aqueous solution, which comprises reacting a polylactone compound corresponding to poly-.alpha.-hydroxyacrylic acid (hereinafter referred to as 'PLAC') with an alkali, wherein the alkali is added dividedly.

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NIPPON PEROXIDE CO LTD	TOKYO

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Inventor Name	Address	# of filed Patents	Total Citations
Kayama, Ryuichi	Fukushima, JP	3	7
Suzuki, Toshio	Fukushima, JP	458	5648

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Method for preparing poly-.alpha.-hydroxyacrylate aqueous solution

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United States of America Patent

10217434

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PATENT NO	6825284
APP PUB NO	20030125455A1
SERIAL NO	10217434
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 30, 2004	US,6825284,B2 US6825284B2	GRANTED PATENT AS SECOND PUBLICATION
July 03, 2003	US,20030125455,A1 US20030125455A1	FIRST PUBLISHED PATENT APPLICATION

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10217434

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