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. 07, 2022
Filed:
Nov. 07, 2018
The University of Tokyo, Tokyo, JP;
Showa Denko K. K., Tokyo, JP;
Japan Polyethylene Corporation, Tokyo, JP;
Kyoko Nozaki, Tokyo, JP;
Shingo Ito, Tokyo, JP;
Junichi Kuroda, Oita, JP;
Yoshikuni Okumura, Oita, JP;
Shinya Hayashi, Oita, JP;
Yumiko Minami, Tokyo, JP;
Minoru Kobayashi, Yokkaichi, JP;
Yuichiro Yasukawa, Kawasaki, JP;
THE UNIVERSITY OF TOKYO, Tokyo, JP;
SHOWA DENKO K.K., Tokyo, JP;
JAPAN POLYETHYLENE CORPORATION, Tokyo, JP;
Abstract
A catalyst for olefin polymerization that contains a metal complex represented by general formula (C1) and a method for producing polyethylene, a copolymer of ethylene and an olefin having a polar group represented by general formula (1), or a copolymer of ethylene, an olefin having a polar group represented by general formula (1) and another monomer, using the aforementioned metal complex as a polymerization catalyst, wherein the symbols in formula (C1) and formula (1) are as defined in the specification.