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. 22, 2022
Filed:
Dec. 14, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Byung Seok Kim, Daejeon, KR;
Insun Lee, Daejeon, KR;
Seok Hwan Kim, Daejeon, KR;
Hye Kyung Lee, Daejeon, KR;
Heekwang Park, Daejeon, KR;
Daesik Hong, Daejeon, KR;
Sangjin Jeon, Daejeon, KR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
B01J 37/04 (2006.01); C08F 4/6592 (2006.01); C08F 10/06 (2006.01);
U.S. Cl.
CPC ...
B01J 37/04 (2013.01); C08F 4/65927 (2013.01); C08F 10/06 (2013.01);
Abstract
Provided are a method of preparing a supported metallocene catalyst, and a method of preparing polypropylene using the catalyst prepared thereby. According to the present invention, provided is a supported metallocene catalyst capable of preparing an isotactic polypropylene polymer having a low xylene soluble content while having excellent catalytic activity.