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:
Jun. 03, 1980
Filed:
Sep. 12, 1978
Applicant:
Inventors:
Assignee:
Philagro, Lyon, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
260578 ; 252465 ; 2524 / ; 260580 ;
Abstract
Process for the dehalogenation of halogen-containing aromatic amines takes place by the action of hydrogen in the presence of a controlled-action hydrogenation catalyst, at a temperature of between 280.degree. and 420.degree. C., the active phase of the catalyst containing, in addition to the main catalyst metal, a minor amount of an auxiliary hydrogen catalyst consisting of a second metal which is different from the first.