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:
Nov. 23, 2021
Filed:
Feb. 26, 2020
Applicant:
Dl Chemical Co., Ltd., Seoul, KR;
Inventors:
Seung Tack Yu, Hwaseong-si, KR;
Yong Kim, Gwangju, KR;
Dong Sik Park, Daejeon, KR;
Yong Jae Jun, Daejeon, KR;
Assignee:
DL Chemical CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/64 (2006.01); C08F 210/16 (2006.01);
U.S. Cl.
CPC ...
C08F 210/16 (2013.01); C08F 4/64072 (2013.01); C08F 2420/04 (2013.01);
Abstract
The present invention relates to a novel metallocene catalyst compound for the production of a polyolefin resin having a high molecular weight and a wide molecular weight distribution or a method of preparing the same, and more particularly to a metallocene catalyst compound using a ligand containing a Group 15 or 16 element having a bulky substituent or a method of preparing the same. The present invention provides a novel metallocene catalyst compound represented by Chemical Formula 1 below.(L){(N-L)Z(Y)Z(N-L)}(X)M  [Chemical Formula 1]