Title:
潤滑基油及びガス油の製造方法
Document Type and Number:
Japanese Patent JP4454935
Kind Code:
B2
Abstract:
Cutting oil composition comprising a base oil obtainable by a process wherein the following steps are performed,
(a) hydrocracking/hydroisomerisating a Fischer-Tropsch product, wherein weight ratio of compounds having at least 60 or more carbon atoms and compounds having at least 30 carbon atoms in the Fischer-Tropsch product is at least 0.2 and wherein at least 30 wt% of compounds in the Fischer-Tropsch product have at least 30 carbon atoms,
(b) separating the product of step (a) into one or more gas oil fractions and a base oil precursor fraction,
(c) performing a pour point reducing step to the base oil precursor fraction obtained in step (b), and
(d) separating the effluent of step (c) in two or more base oil grades.
Inventors:
Gilbert Robert Bernard Germain
Application Number:
JP2002570655A
Publication Date:
April 21, 2010
Filing Date:
March 05, 2002
Export Citation:
Assignee:
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BESLOTEN VENNOOTSHAP
International Classes:
C10G65/12; C10G2/00; C10G45/58; C10G45/62; C10G45/64; C10G65/04; C10G67/02; C10G67/04; C10G67/14; C10G73/02; C10G73/06; C10M109/02; C10M171/00; C10M171/02; C10M175/00
Domestic Patent References:
| JP2000345170A |
Attorney, Agent or Firm:
Takafumi Ogawa