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:
Sep. 08, 1981
Filed:
Apr. 30, 1979
Applicant:
Inventors:
Michael M Rauhut, Bridgewater, NJ (US);
Shin-Shyong Tseng, Raritan, NJ (US);
Assignee:
American Cyanamid Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
544159 ; 2603472 ; 2603473 ; 260457 ; 2604 / ; 2604 / ; 544168 ; 544169 ; 546246 ; 546247 ; 546282 ; 546331 ; 546336 ; 560150 ; 562426 ; 562442 ; 562553 ; 562556 ; 564 61 ; 564 81 ; 564 96 ; 564 97 ; 564123 ; 564142 ; 564143 ; 564144 ;
Abstract
There is provided a process for preparing amides which comprises reacting an amine, or an amide, and an acid halide, or anhydride, in suitable molecular proportions, in an inert organic diluent, in the presence of an effective amount of a molecular sieve, until the reaction is completed, separating the molecular sieve, and recovering the amide from the organic mother liquor.