Multistage continuous preparation of cycloaliphatic diisocyanates

United States of America Patent

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Sep 2, 2008
Grant Date
Dec 1, 2005
app pub date
Apr 8, 2005
filing date
May 29, 2004

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Abstract

The invention relates to a multistage process for continuous and phosgene-free preparation of cycloaliphatic diisocyanates.

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EVONIK DEGUSSA GMBH

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C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

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Inventor Name	Address	# of filed Patents	Total Citations
Kohlstruk, Stephan	Duelmen, DE	59	522
Kreczinski, Manfred	Herne, DE	24	96
Michalczak, Hans-Werner	Herne, DE	10	131

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Multistage continuous preparation of cycloaliphatic diisocyanates

Number of patents in Portfolio can not be more than 2000

United States of America Patent

11101428

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PATENT NO	7420080
APP PUB NO	20050267310A1
SERIAL NO	11101428
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
September 02, 2008	US,7420080,B2 US7420080B2	GRANTED PATENT AS SECOND PUBLICATION
December 01, 2005	US,20050267310,A1 US20050267310A1	FIRST PUBLISHED PATENT APPLICATION

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11101428

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