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:
Oct. 29, 1985
Filed:
Feb. 15, 1983
Applicant:
Inventors:
Assignee:
Ciba Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564105 ; 2604045 ; 564103 ; 564106 ;
Abstract
N-substituted N-cyanocarboxylic acid amides are prepared by reacting 1 mol of an N-cyanocarboxylic acid amide salt with 1 mol of an alkyl halide or an alkylating agent, for example dimethyl sulfate or diethyl sulfate, in a polar aprotic solvent. The N-substituted N-cyanocarboxylic acid amides which can be obtained by the process according to the invention are useful curing agents for epoxide resins.