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:
Nov. 13, 1979
Filed:
Jun. 19, 1978
Applicant:
Inventor:
Helena Austermuhle-Bertola, Amsterdam, NL;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
2604654 ; 260464 ; 2604 / ;
Abstract
A process for the preparation of an ester of cyanoacetic acid having the following general formula: ##STR1## (wherein R represents an aliphatic or cycloaliphatic hydrocarbyl group), which comprises contacting an alkali metal carboxylate of general formula: ##STR2## (wherein M represents an alkali metal atom) with a hydrocarbyl halide of general formula: