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. 16, 1999
Filed:
Mar. 25, 1998
Bankupalli Satyavathi, Hyderabad, IN;
Akash Narhar Patwari, Hyderabad, IN;
Uday Triambakraj Bhalerao, Hyderabad, IN;
Council of Scientific & Industrial Research, New Delhi, IN;
Abstract
The present invention relates to a process for the preparation of alkylated aromatic amines which comprises reacting an aromatic amine selected from aniline, toludine, xylidine, N-methyl aniline, N-ethyl aniline, m-ethyl aniline, p-ethyl aniline, o-ethyl aniline with a primary or secondary alcohol selected from ethanol, methanol, isopropyl alcohol in the presence of attalpulgite impregnated with combination of iron oxide and oxides selected from transition metals of the periodic table as a catalyst prepared by the method described and claimed in our co-pending U.S. patent application Ser. No. 09/047,718 at atmospheric pressure and at a temperature in the range of 300-400.degree. C. and recovering the desired amine by conventional methods.