Patent · US Active

Catalyst system for polymerization of olefins

US8043990B2 · kind B2 · utility

0Cited by

4References

13Claims

0Family size

Assignee

RELIANCE INDUSTRIES LIMITED · IN

Inventors

Virendrakumar Gupta · Mumbai, IN
Harshad Ramdas Patil · Mumbai, IN
Dhananjay Ghelabhai Naik · Jamkhed, IN
Sukhdeep Kaur · Boise, US
Gurmeet Singh · Faridabad, IN
Priyanshu Bharatkumar Vyas · Mumbai, IN

Key dates

Filing date	Aug 25, 2008
Grant date	Oct 25, 2011
Priority date	—
Expiry date	Aug 25, 2028

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F110/06
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to a catalyst system for polymerization of olefins, the catalyst system comprising a titanium-containing procatalyst carrying internal electron donor(s), an organoaluminium cocatalyst and a mixture of external electron donors, the mixture comprising a carboxylic acid ester or derivatives thereof, an alkoxy silane and a nitrogen based compound. The invention also relates to a process for polymerization of olefin(s) and to the polyolefin synthesized by the process.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.