Process for the production of lactams

United States of America Patent

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Sep 23, 2008
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Oct 18, 2007
app pub date
Oct 15, 2004
filing date
Oct 30, 2003

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Abstract

A homogeneous process for the hydrogenation of dicarboxylic acid and/or derivative thereof with an amine in the presence of a catalyst comprising: (a) ruthenium or osmium; and (b) an organic phosphine; and wherein the hydrogenation is carried out in the presence of water.

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JOHNSON MATTHEY DAVY TECHNOLOGIES LIMITED

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C07D:HETEROCYCLIC COMPOUNDS

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[Patents Count]

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Inventor Name	Address	# of filed Patents	Total Citations
Crabtree, Simon Peter	Durham City, GB	10	95
Sharif, Mohammed	Middlesborough, GB	2	6
Tyers, Derek Vincent	Thirsk, GB	7	69

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Process for the production of lactams

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10577629

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PATENT NO	7427684
APP PUB NO	20070244317A1
SERIAL NO	10577629
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
September 23, 2008	US,7427684,B2 US7427684B2	GRANTED PATENT AS SECOND PUBLICATION
October 18, 2007	US,20070244317,A1 US20070244317A1	FIRST PUBLISHED PATENT APPLICATION

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10577629

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