Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate
2007-05-08
2007-05-08
Davis, Brian (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C564S492000, C502S301000, C502S527120
Reexamination Certificate
active
10505638
ABSTRACT:
The present invention relates to an improvement in a process for preparing primary amines by hydrogenating nitriles. The improvement in the hydrogenation process is that a hydrogenation catalyst modified ex situ with preadsorbed alkali metal carbonate or hydrogencarbonate such as K2CO3or KHCO3is used.
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Fasi Andras
Goeboeloes Sandor
Margitfalvi Jozsef
Millian Laszlone
Clariant Produkte ( Deutschland) GmbH
Davis Brian
Silverman Richard P.
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