Title:
潤滑油基油及びその製造方法並びに潤滑油組成物
Document Type and Number:
Japanese Patent JP6513780
Kind Code:
B2
Abstract:
The lubricating base oil of the invention is characterized by having an urea adduct value of not greater than 4 % by mass and a viscosity index of 100 or greater. The process for production of a lubricating base oil according to the invention is characterized by comprising a step of hydrocracking/hydroisomerization of a stock oil containing normal paraffins, until the obtained treatment product has an urea adduct value of not greater than 4 % by mass and a viscosity index of 100 or greater. A lubricating oil composition according to the invention is characterized by comprising the lubricating base oil of the invention.
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Inventors:
Issei Tagawa
Shinichi Shirahama
Masahiro Taguchi
Shinichi Shirahama
Masahiro Taguchi
Application Number:
JP2017239859A
Publication Date:
May 15, 2019
Filing Date:
December 14, 2017
Export Citation:
Assignee:
jxtg energy corporation
International Classes:
C10M171/02; C10M101/02
Domestic Patent References:
| JP2002524610A |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Yoshinori Shimizu
Hiroyuki Hirano
Yoshiki Kuroki
Yoshinori Shimizu
Hiroyuki Hirano