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:
Mar. 15, 2016
Filed:
May. 02, 2013
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Yeong-Ah Choi, Daejeon, KR;
Jin-Woo Lee, Daejeon, KR;
Nan-Young Lee, Daejeon, KR;
Churl-Young Park, Daejeon, KR;
Dong-Gil Lee, Daejeon, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/6592 (2006.01); C08F 4/62 (2006.01); C08F 110/06 (2006.01); C08F 10/00 (2006.01); C08F 4/76 (2006.01); B01J 31/12 (2006.01); C07F 17/00 (2006.01); C08F 4/659 (2006.01);
U.S. Cl.
CPC ...
C08F 4/76 (2013.01); B01J 31/12 (2013.01); C07F 17/00 (2013.01); C08F 10/00 (2013.01); C08F 110/06 (2013.01); C08F 4/65908 (2013.01); C08F 4/65927 (2013.01);
Abstract
This disclosure relates to an ansa-metallocene compound of a novel structure that can provide various selectivities and activities to polyolefin copolymers, a preparation method thereof, and a method for preparing polyolefins using the ansa-metallocene compound.