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:
Apr. 13, 2021
Filed:
Nov. 15, 2017
Applicant:
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Inventors:
Assignee:
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C 2/22 (2006.01); C07C 7/04 (2006.01); C07C 2/06 (2006.01); C07C 2/04 (2006.01); C07C 2/08 (2006.01);
U.S. Cl.
CPC ...
C07C 2/22 (2013.01); C07C 7/04 (2013.01); C07C 2/04 (2013.01); C07C 2/06 (2013.01); C07C 2/08 (2013.01); C07C 2527/135 (2013.01); C07C 2531/14 (2013.01);
Abstract
A method for producing an α-olefin oligomer, the method including subjecting α-olefin to oligomerization reaction to produce an α-olefin oligomer mixture, carrying out distillation separation of α-olefin oligomer having less than n carbon atoms in the mixture to obtain a distillation residue containing α-olefin oligomer having n or more carbon atoms, and then carrying out a step of removing high molecular weight molecules from the distillation residue.