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:
May. 19, 1981
Filed:
Apr. 16, 1980
Applicant:
Inventors:
Werner Schulte-Huermann, Krefeld, DE;
Heinz P Hemmerich, Krefeld, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564305 ; 564428 ; 564431 ; 564440 ; 564442 ; 564443 ;
Abstract
In a process for the preparation of an N-alkylated aromatic amine by contacting an aromatic amine with an aliphatic or cycloaliphatic alcohol at an elevated temperature and under increased pressure, in the presence of catalysts, the improvement wherein the reaction is carried out in the presence of a phosphorus oxyhalide.
Quick Actions:
Schulte-Huermann, Werner. (1981). Process for the preparation of n-alkylated aromatic amines (U.S. Patent No. 4268458). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4268458
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile