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:
Mar. 20, 2018
Filed:
Oct. 25, 2013
Hindustan Petroleum Corporation Limited, Mumbai, IN;
Raman Ravishankar, Bangalore, IN;
Venkata Chalapathi Rao Peddy, Bangalore, IN;
Venkateswarlu Choudary Nettem, Bangalore, IN;
Ganapati Shanbhag, Bangalore, IN;
Vijaykumar Marakatti, Bangalore, IN;
Anand Halgeri, Bangalore, IN;
Sriganesh Gandham, Bangalore, IN;
Hindustan Petroleum Corporation Limited, Mumbai, Maharashtra, IN;
Abstract
The present disclosure relates to a process for the preparation of isomers of xylene. The process includes method step of contacting an activated alkylation catalyst composite with toluene and methanol in the presence of an inert gas, at a temperature of 300 to 500° C. to obtain isomers of xylene. The alkylation catalyst composite used in accordance with the present disclosure comprises a molecular sieve loaded with at least one metal ion. The metal loaded on the molecular sieve is at least one alkali earth metal selected from the group consisting of barium, strontium, magnesium and calcium.