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:
Aug. 29, 2017
Filed:
Mar. 12, 2014
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Kiyokazu Katayama, Ichihara, JP;
Hideaki Noda, Ichihara, JP;
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Abstract
Provided is a method for producing an α-olefin polymer, comprising the step of polymerizing one or more kinds of α-olefins each having 3 to 30 carbon atoms with a polymerization catalyst obtained by using: (A) a metallocene compound; (B) an ionic compound capable of reacting with the metallocene compound to transform the compound into a cation; (C) an organometallic compound; and (D) one or more kinds of compounds selected from the group consisting of (d-1) an alcohol, (d-2) a phenol, and (d-3) an ether compound, the catalyst having a ratio between the component (A) and the component (D) of from 10:1 to 1:100 in terms of a molar ratio, and having a ratio of the component (D) to the component (C) of less than 1 in terms of a molar ratio.