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:
Jun. 14, 2022
Filed:
Dec. 21, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Jae Youp Cheong, Daejeon, KR;
Heon Yong Kwon, Daejeon, KR;
Daesik Hong, Daejeon, KR;
Sangjin Jeon, Daejeon, KR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C07F 17/00 (2006.01); C08F 4/6592 (2006.01); C08F 110/06 (2006.01); C08F 10/06 (2006.01); C08F 4/659 (2006.01);
U.S. Cl.
CPC ...
C07F 17/00 (2013.01); C08F 4/65916 (2013.01); C08F 4/65927 (2013.01); C08F 10/06 (2013.01); C08F 110/06 (2013.01);
Abstract
The present invention relates to a supported catalyst comprising a novel metallocene compound having excellent polymerization activity, and a method for producing polypropylene comprising polymerizing propylene in the presence of the catalyst. The supported metallocene-catalyst of the present invention can produce a polypropylene having a relatively narrow molecular weight distribution and a SPAN value.
Cheong, Jae. (2022). Metallocene-supported catalyst and method for preparing polypropylene using the same (U.S. Patent No. 11358979). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11358979
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile