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Title:
粘度指数が80~140の基油を製造する方法
Document Type and Number:
Japanese Patent JP2006509091
Kind Code:
A
Abstract:
Process to prepare a base oil having a viscosity index of between 80 and 140 starting from a distillate or a de-asphalted oil by (a) contacting the feedstock in the presence of hydrogen with a sulphided hydrodesulphurization catalyst comprising nickel and tungsten on an acid amorphous silica-alumina carrier and (b) performing a pour point reducing step on the effluent of step (a) to obtain the base oil.

Inventors:
Patrick Muro
Johannes Ansonias Robert Wan Wen
Application Number:
JP2004558118A
Publication Date:
March 16, 2006
Filing Date:
December 09, 2003
Export Citation:
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Assignee:
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BESLOTEN VENNOOTSHAP
International Classes:
C10G67/04; B01J23/85; B01J23/88; B01J29/16; B01J29/44; B01J35/10; C10G45/08; C10G45/12; C10G45/62; C10G45/64; C10G65/04; C10G73/02; C10G73/06
Attorney, Agent or Firm:
Kazuho Kawarada