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:
Feb. 06, 2001
Filed:
Jul. 16, 1999
Rakesh Sarin, Faridabad, IN;
Sabyasachi Sinha Ray, New Delhi, IN;
Deepak Kumar Tuli, Faridabad, IN;
Madan Mohan Rai, Faridabad, IN;
Sobhan Ghosh, Faridabad, IN;
Akhilesh Kumar Bhatnagar, Faridabad, IN;
The Indian Oil Corporation Ltd., Mumbai, IN;
Abstract
This invention relates to a catalyst composition capable of effecting selective oligomerisation of olefins contained in cracked refinery distillate streams, comprising of olefins, aromatics, paraffins and cycloparaffins. The catalyst composition gives very high conversion of olefins to poly olefins, which after distillation and stabilization by hydrogenation affords lubricating oil base stocks. The catalyst composition comprises of an aluminum halide and a transition metal alkoxide belonging to group IVB.