Heat-sensitive color-developing composition and heat-sensitive recording material comprising the composition

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Nov 18, 2014
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Sep 13, 2011
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Sep 17, 2010

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Abstract

A heat-sensitive color-developing composition containing a hydroxyquinoline compound having a methyl group and an acid anhydride compound represented by general formula (1):

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YAMAMOTO CHEMICALS INC	OSAKA JAPAN

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Inventor Name	Address	# of filed Patents	Total Citations
Masaoka, Toshihiro	Yao, JP	8	17
Takuma, Keisuke	Yao, JP	51	346
Yamaguchi, Ryoji	Yao, JP	37	372

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Heat-sensitive color-developing composition and heat-sensitive recording material comprising the composition

Number of patents in Portfolio can not be more than 2000

United States of America Patent

13823817

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DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 18, 2014	US,8888906,B2 US8888906B2	GRANTED PATENT AS SECOND PUBLICATION
July 18, 2013	US,20130180430,A1 US20130180430A1	FIRST PUBLISHED PATENT APPLICATION

PATENT NO	8888906
SERIAL NO	13823817
DOCKET NO

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13823817

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