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. 26, 1983
Filed:
Mar. 31, 1980
Applicant:
Inventors:
Samuel J Falcone, West Chester, PA (US);
John J McCoy, Media, PA (US);
Assignee:
Atlantic Richfield Company, Los Angeles, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
560 24 ; 560-9 ; 560 10 ; 560 12 ; 560 13 ; 560 25 ; 560 27 ; 560 28 ; 560 29 ; 560 33 ;
Abstract
A process for the preparation of N-monosubstituted carbamic acid esters by reacting an unsubstituted carbamic acid ester and an aromatic primary amine at a suitable pressure and reaction temperature in the presence of a monohydric aliphatic alcohol and preferably in the presence of a strongly basic tertiary amine as catalyst. Optionally an inert co-solvent in addition to the alcohol may be employed.