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:
Jul. 05, 2016
Filed:
Jun. 28, 2012
Jun Kohiruimaki, Ichihara, JP;
Masao Aida, Ichihara, JP;
Jun Mase, Ichihara, JP;
Kana Minamimoto, Ichihara, JP;
Jun Kohiruimaki, Ichihara, JP;
Masao Aida, Ichihara, JP;
Jun Mase, Ichihara, JP;
Kana Minamimoto, Ichihara, JP;
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Abstract
A method for producing an olefin polymer including: polymerizing one or more α-olefins each having 6 to 20 carbon atoms in the presence of a metallocene catalyst to obtain an olefin polymer; deactivating and decalcifying the catalyst to obtain a decalcified polymerization reaction liquid; mixing the decalcified polymerization reaction liquid containing the olefin polymer with water; and washing the liquid with stirring at a stirring intensity of 0.1 kW/mor more for 1 minute or longer.