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. 04, 2010
Filed:
Jan. 17, 2006
Jagannath Das, Gujarat, IN;
Pavagada Raghavendra Char, Gujarat, IN;
Arun Gurudath Basrur, Gujarat, IN;
Anand Bhimarao Halgeri, Gujarat, IN;
Sanjay Ramakrishna Rinke, Maharashtra, IN;
Laxmilal Jain, Maharashtra, IN;
Avinash Ramchandra Saple, Maharashtra, IN;
Mantri Ganapati, Maharashtra, IN;
Jagannath Das, Gujarat, IN;
Pavagada Raghavendra Char, Gujarat, IN;
Arun Gurudath Basrur, Gujarat, IN;
Anand Bhimarao Halgeri, Gujarat, IN;
Sanjay Ramakrishna Rinke, Maharashtra, IN;
Laxmilal Jain, Maharashtra, IN;
Avinash Ramchandra Saple, Maharashtra, IN;
Mantri Ganapati, Maharashtra, IN;
Indian Petrochemicals Corporation Limited, Gujarat, IN;
Abstract
The present invention relates to a process for the selective production of para-diethyl benzene from a mixed aromatic feedstock containing ethyl benzene and at least one other aromatic compound selected from benzene, alkylated benzene having alkyl group with carbon number 1 to 6, mono-alkyl aromatics, dialkyl aromatics, trialkyl aromatics, tetraalkyl aromatics, pentaalkyl aromatics, hexaalkyl aromatics, containing side chains having 1 to 6 carbon atoms, and any mixtures thereof, the process comprising of (a) alkylating the feedstock under alkylating conditions, over a selectivated metallosilicate composite catalyst; and (b) recovering a product stream containing at least 95 wt % para-diethyl benzene, the product stream being substantially free from other isomers of diethylbenzene, Caromatics, Caromatics, C+ heavy aromatics other than diethyl benzene isomers, sulphur, halogen, olefinic compound and carbonyl compounds.