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:
Apr. 11, 1995
Filed:
Jan. 12, 1993
Applicant:
Inventor:
Christian Forquy, Monein, FR;
Assignee:
Elf/Atochem North America, Inc., Philadelphia, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
564446 ; 564448 ; 564455 ;
Abstract
A method is disclosed for the selective preparation of 3-aminomethyl-3,5,5-trialkylcyclohexylamine by preparing dried 3-cyano-3,5,5-trialkylcyclohexylimine from the reaction of 3-cyano-3,5,5-trialkylcyclohexanone with ammonia in the presence of a drying agent in an amount at least sufficient to retain the water present or generated during the imine-forming reaction, and hydrogenating the dried 3-cyano-3,5,5-trialkylcyclohexylimine in the presence of a cobalt-containing catalyst at elevated temperature and pressure.