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:
Aug. 19, 1997
Filed:
Jun. 26, 1996
Applicant:
Inventor:
Wolfgang Kleemiss, Haltern, DE;
Assignee:
Huels Aktiengesellschaft, Marl, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564134 ;
Abstract
In a process for the preparation of cyclopropanecarboxamide by amidating cyclopropanecarboxylic esters with ammonia in alcoholic solution at from 60.degree. to 200.degree. C., the reaction being catalyzed by an alcoholate of a monohydric alcohol, high yields are achieved even in the absence of a hydrocarbon solvent when a cyclopropanecarboxylic ester of the formula ##STR1## in which R is C.sub.1 - to C.sub.3 -alkyl or cyclopropyl, is employed.