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. 12, 2015
Filed:
Mar. 08, 2011
Hyuck-ju Kwon, Jeollanam-do, KR;
San-ak Hwang, Jeollanam-do, KR;
Dong-gil Lee, Daejeon, KR;
Churl-young Park, Daejeon, KR;
Hyuck-Ju Kwon, Jeollanam-do, KR;
San-Ak Hwang, Jeollanam-do, KR;
Dong-Gil Lee, Daejeon, KR;
Churl-Young Park, Daejeon, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
Provided are a supported metallocene catalyst, a method for preparing the same and a method for preparing polyolefin using the same. The supported metallocene catalyst prepared by incorporating a metallocene compound having a ligand substituted with alkoxide or aryloxide into a conventional supported metallocene catalyst and incorporating a borate compound as a second co-catalyst exhibits considerably superior catalyst activity and easily controls molecular weight distribution, as compared to the conventional metallocene-supported catalyst.