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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.:

US 12358938 B1

PDFFull Text
Date of Patent:
Jul. 15, 2025

Filed:

Jun. 10, 2020

Transition metal compound and method of preparing polypropylene using the same

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Insun Lee, Daejeon, KR;

Seok Hwan Kim, Daejeon, KR;

Byung Seok Kim, Daejeon, KR;

Donghyeon Gwon, Daejeon, KR;

Seyoung Kim, Daejeon, KR;

Assignee:

LG Chem, Ltd., Seoul, KR;

Attorney:

Lerner David LLP

Primary Examiner:

Alexander R Pagano

Assistant Examiner:

Frank S Hou

Int. Cl.
CPC ...
C07F 17/00 (2006.01); B01J 31/22 (2006.01); C08F 4/16 (2006.01); C08F 4/659 (2006.01); C08F 4/6592 (2006.01); C08F 110/06 (2006.01);
U.S. Cl.
CPC ...
C07F 17/00 (2013.01); B01J 31/22 (2013.01); C08F 4/16 (2013.01); C08F 110/06 (2013.01);
Abstract

Provided are a novel transition metal compound of the following Chemical Formula 1 that exhibits excellent catalytic activity, allows formation of a macromonomer which is a polymer in which a double bond is formed at the end of a chain, and improves a melt strength characteristic when used in polymerizing polypropylene, and a method of preparing a polypropylene using the same. wherein A, M, Rto R, Xand X, Yand Yand m are described herein.

Find Patent Forward Citations

Lee, Insun. (2025). Transition metal compound and method of preparing polypropylene using the same (U.S. Patent No. 12358938). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12358938

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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