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:
Jan. 19, 2021
Filed:
Aug. 28, 2017
Eneos Corporation, Tokyo, JP;
Fuyuki Aida, Tokyo, JP;
Kazuo Tagawa, Tokyo, JP;
ENEOS CORPORATION, Tokyo, JP;
Abstract
A method for producing an oligomer, the method comprising a step of oligomerizing a polymerizable monomer comprising an olefin in the presence of a catalyst comprising an iron complex represented by the following Formula (1) and trialkylaluminum: [In Formula (1), R represents a hydrocarbyl group having 1 to 6 carbon atoms or an aromatic group having 6 to 12 carbon atoms, a plurality of R in the same molecule may be the same or different, R' represents a free radical having an oxygen atom and/or a nitrogen atom, a plurality of R′ in the same molecule may be the same or different, and Y represents a chlorine atom or a bromine atom].