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:
Apr. 26, 2022
Filed:
Apr. 09, 2020
Applicant:
Lotte Chemical Corporation, Seoul, KR;
Inventors:
Joon Keun Min, Daejeon, KR;
Su Jeong Jeong, Daejeon, KR;
Hyun Yul Woo, Daejeon, KR;
Rai Ha Lee, Daejeon, KR;
Eun Hye Shin, Daejeon, KR;
Byung Hun Chae, Daejeon, KR;
Assignee:
LOTTE CHEMICAL CORPORATION, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/6592 (2006.01); C08F 10/06 (2006.01); C08F 10/02 (2006.01);
U.S. Cl.
CPC ...
C08F 4/65927 (2013.01); C08F 10/02 (2013.01); C08F 10/06 (2013.01);
Abstract
Disclosed are a novel metallocene catalyst and a method for preparing a polyolefin having a high molecular weight and a low melt index by using the same. The present invention provides a transition metal compound represented by formula 1.