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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.:

US 9120884 B1

PDFFull Text
Date of Patent:
Sep. 01, 2015

Filed:

Jun. 08, 2012

Cyclopenta[b]fluorenyl transition metal compound, catalyst composition containing the same, and method of preparing ethylene homopolymer or copolymer of ethylene and α-olefin using the same

Applicants:

Dong Cheol Shin, Daejeon, KR;

Ho Seong Lee, Seoul, KR;

Seong Kyun Kim, Daejeon, KR;

Sang Ick Lee, Daejeon, KR;

Sun Young Kim, Daejeon, KR;

Jong Sok Hahn, Daejeon, KR;

Chan Woong Jeon, Daejeon, KR;

Jeong Hwan Kim, Daejeon, KR;

Inventors:

Dong Cheol Shin, Daejeon, KR;

Ho Seong Lee, Seoul, KR;

Seong Kyun Kim, Daejeon, KR;

Sang Ick Lee, Daejeon, KR;

Sun Young Kim, Daejeon, KR;

Jong Sok Hahn, Daejeon, KR;

Chan Woong Jeon, Daejeon, KR;

Jeong Hwan Kim, Daejeon, KR;

Assignee:

SK Innovation Co., Ltd., Seoul, KR;

Attorney:

The Webb Law Firm

Primary Examiner:

Shawquia Jackson

Int. Cl.
CPC ...
C07F 7/08 (2006.01); C08F 210/06 (2006.01); C08F 4/76 (2006.01); C08F 4/6592 (2006.01); C08F 210/02 (2006.01); C07F 17/00 (2006.01); C08F 210/18 (2006.01); C08F 4/659 (2006.01);
U.S. Cl.
CPC ...
C08F 210/06 (2013.01); C07F 17/00 (2013.01); C08F 4/6592 (2013.01); C08F 4/76 (2013.01); C08F 210/02 (2013.01); C08F 210/18 (2013.01); C07F 7/0816 (2013.01); C08F 4/65908 (2013.01); C08F 4/65912 (2013.01); C08F 2420/02 (2013.01); Y10S 526/943 (2013.01);
Abstract

The present invention relates to a new transition metal compound based on cyclopenta[b]fluorenyl group, a transition metal catalyst composition containing the same and having high catalytic activity for preparing an ethylene homopolymer or a copolymer of ethylene and one α-olefin, a method of preparing an ethylene homopolymer or a copolymer of ethylene and α-olefin using the same, and the prepared ethylene homopolymer or the copolymer of ethylene and α-olefin.

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