Multistage continuous preparation of cycloaliphatic diisocyanates

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7420080
APP PUB NO 20050267310A1
SERIAL NO

11101428

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Abstract

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

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Patent Owner(s)

  • EVONIK DEGUSSA GMBH

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Inventor(s)

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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