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:
Dec. 30, 2014
Filed:
Jun. 08, 2012
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;
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;
SK Innovation Co., Ltd., Seoul, KR;
SK Global Chemical Co., Ltd., Seoul, KR;
Abstract
The present invention relates to a method of preparing an ethylene-α-olefin-diene copolymer and an ethylene-α-olefin-diene copolymer prepared thereby, by using a transition metal compound based on a cyclopenta[b]fluorenyl group as a catalyst.