Method for producing polyamide resin

United States of America Patent

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Sep 8, 2015
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Dec 19, 2013
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Feb 29, 2012
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Mar 2, 2011

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Abstract

The present invention is a method for producing a polyamide resin, wherein a nylon salt obtained from a dicarboxylic acid and a diamine having a boiling point exceeding 100° C. is heated to be polymerized under normal pressure while water vapor is being allowed to be present in the polymerization reaction system.

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UNITIKA LTD.

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Inventor Name	Address	# of filed Patents	Total Citations
Morimoto, Mariko	Kyoto, JP	4	27
Nakai, Makoto	Kyoto, JP	20	119

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Method for producing polyamide resin

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United States of America Patent

13984870

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PATENT NO	9127117
APP PUB NO	20130338333A1
SERIAL NO	13984870
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
September 08, 2015	US,9127117,B2 US9127117B2	GRANTED PATENT AS SECOND PUBLICATION
December 19, 2013	US,20130338333,A1 US20130338333A1	FIRST PUBLISHED PATENT APPLICATION

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13984870

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