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:
Jan. 06, 1976
Filed:
Sep. 20, 1974
Applicant:
Inventor:
John C Wollensak, Bloomfield Hills, MI (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
260581 ;
Abstract
Hydroxy aromatics are aminated to form the corresponding aromatic amine by reaction at 200.degree.-400.degree.C with ammonia in the presence of a cyclohexanone and water in contact with a hydrogen transfer catalyst. For example, 2,6-dimethylphenol reacts with ammonia in the presence of cyclohexanone, water and a supported palladium catalyst to form 2,6-dimethylaniline.