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:
Feb. 21, 1995
Filed:
Jan. 28, 1994
Applicant:
Inventors:
Manfred Blazejak, Dusseldorf, DE;
Wilfried Kohler, Bergisch Gladbach, DE;
Karl-Johann Wemmje, Burscheid, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558394 ;
Abstract
A new process for the preparation of mono-N-.beta.-cyanoethylanilines, characterized in that a substituted or unsubstituted aniline compound is reacted with acrylonitrile in the presence of active bleaching earth as catalyst at a temperature of between 80.degree. and 200.degree. C. in a nonaqueous reaction medium.