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:
Jul. 26, 2005
Filed:
Dec. 21, 2001
Applicants:
Chitta Ranjan Patra, Maharashtra, IN;
Rajiv Kumar, Maharashtra, IN;
Inventors:
Chitta Ranjan Patra, Maharashtra, IN;
Rajiv Kumar, Maharashtra, IN;
Assignee:
Council of Scientific and Industrial Research, New Delhi, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C002/66 ;
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for the preparation of dimethylcumenes comprising alkylating a substrate comprising of one or more xylene isomers with an alkylating agent in the presence of a solid acid zeolite catalyst selected from ultrastable zeolite Y (Si/Al=5 to 50) and Beta (Si/Al=10-120), and separating the products formed in vapour phase.
Patra, Chitta. (2005). Process for the preparation of diemethyl cumenes (U.S. Patent No. 6921843). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6921843
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile