Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate
2005-09-22
2008-12-16
Sullivan, Daniel M (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C564S451000
Reexamination Certificate
active
07465833
ABSTRACT:
The present invention relates to processes for the catalytic hydrogenation of aromatic amines to their acyclic counterparts using a ruthenium catalyst on a lithium aluminate support. The hydrogenation process comprises contacting an aromatic amine with hydrogen in the presence of a ruthenium catalyst under temperature and pressure conditions suitable to effect ring hydrogenation. The process is especially useful for hydrogenating aniline to cyclohexylamine.
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Ding Hao
Emig Lenore Ann
Engel Matthew J.
Lutz Eugene George
Vedage Gamini Ananda
Air Products and Chemicals Inc.
Cutliff Yate′ K
Morris-Oskanian Rosaleen P.
Sullivan Daniel M
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