Organic compounds -- part of the class 532-570 series – Organic compounds – Isocyanate esters
Reexamination Certificate
2004-08-23
2008-03-04
Eyler, Yvonne (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Isocyanate esters
Reexamination Certificate
active
07339074
ABSTRACT:
The invention relates to a multistage process for continuous and phosgene-free preparation of cycloaliphatic diisocyanates.
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Elm Rainer
Kohlstruk Stephan
Kreczinski Manfred
Michalczak Hans-Werner
Degussa - AG
Eyler Yvonne
Gale Kellette
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