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. 31, 2022
Filed:
Dec. 10, 2020
Indian Oil Corporation Limited, Mumbai, IN;
Gurmeet Singh, Haryana, IN;
Rashmi Rani, Haryana, IN;
Sukhdeep Kaur, Haryana, IN;
Dheer Singh, Haryana, IN;
Anju Chopra, Haryana, IN;
Gurpreet Singh Kapur, Haryana, IN;
Sankara Sri Venkata Ramakumar, Haryana, IN;
Indian Oil Corporation Limited, Mumbai, IN;
Abstract
The present invention describes a catalyst composition for use as a catalyst system for an ethylene oligomerization, providing high activity and produce linear oligomer product having broad weight percent distribution i.e. Cto C. The catalyst composition comprises a zirconium amide compound, an organoaluminum compound and an additive. The present invention also provides a process for preparation of the zirconium amide compound comprising reacting a zirconium component having formula ZrX.nTHF, wherein X is halogen atom; m is an integer having value equal or less than 4 and n is a number equal or less than 2, and a substituted amide of formula RCONR'R″, wherein R, R′ and R″ are saturated or unsaturated aliphatic C-Chydrocarbon or aromatic C-Chydrocarbon, in the presence of an organic solvent.