External donor for olefin polymerization

US10689465B2 · kind B2 · utility

Assignee

• Indian Oil Corporation Limited · IN

Inventors

• Sukhdeep Kaur · Boise, US
• Usharani Sahoo · Faridabad, IN
• Gurmeet Singh · Faridabad, IN
• Rashmi Rani · Faridabad, IN
• Gurpreet Singh Kapur · Faridabad, IN
• Shashikant · Faridabad, IN

Key dates

• Filing date: Mar 8, 2018
• Grant date: Jun 23, 2020
• Expiry date: Mar 8, 2038

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F210/16
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention provides an external electron donor composition comprising essentially of monoether as activity limiting agent for polymerization of olefins along with alkoxy silane as selectivity controlling agent, wherein mole percentage of the alkoxy silane to monoether is from 1 to 100.