Production method of ketomalonic acid compound

United States of America Patent

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Nov 22, 2016
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Jul 7, 2016
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Jul 3, 2014
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Jul 19, 2013

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Abstract

Provided is a method for producing an industrially useful ketomalonic acid compound such as ketomalinic acid diesters, or a hydrate thereof, by a method more favorable from an economic and environmental standpoint and from a safety standpoint. The present invention relates to a method involving reacting a malonic acid compound represented by general formula (1)

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IHARA CHEMICAL INDUSTRY CO LTD	TOKYO 110-0008

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C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

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Inventor Name	Address	# of filed Patents	Total Citations
Koga, Minekazu	Shibukawa, JP	1	0
Matsumoto, Izumi	Shibukawa, JP	19	79
Tani, Shinki	Fuji, JP	8	4

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Production method of ketomalonic acid compound

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United States of America Patent

14905645

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PATENT NO	9499469
APP PUB NO	20160194268A1
SERIAL NO	14905645
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 22, 2016	US,9499469,B2 US9499469B2	GRANTED PATENT AS SECOND PUBLICATION
July 07, 2016	US,20160194268,A1 US20160194268A1	FIRST PUBLISHED PATENT APPLICATION

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14905645

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