The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 17, 1992
Filed:
Jun. 12, 1991
Applicant:
Inventors:
Hiroshi Abe, Wakayama, JP;
Tohru Katoh, Wakayama, JP;
Hisakazu Tajima, Wakayama, JP;
Kohshiro Sotoya, Naga, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564493 ; 564490 ; 502331 ;
Abstract
Disclosed is a process for preparing an unsaturated aliphatic primary or secondary amine from the corresponding unsaturated aliphatic nitrile without hydrogenating an olefinic bond in the molecule. The process employs a catalyst which is a combination of copper and a specific metal.