Title:
高粘度指数を有する基油の調製方法
Document Type and Number:
Japanese Patent JP4459057
Kind Code:
B2
Abstract:
A process for preparing high VI lubricating oil basestocks comprising hydrotreating, hydrodewaxing and optionally hydrofinishing. The hydrotreating step is under conditions such that the amount of conversion to 343° C. minus is less than 5 wt. % of the feedstock and the VI increase is less than 4 VI over the feedstock. Hydrodewaxing uses a low alpha catalyst and hydrofinishing is accomplished with a catalyst based on the M41S family.
Inventors:
Cody, Ian, A.
Murphy, William, Jay.
Hanzer, Sylvain, S.
Larkin, David, W.
Gallagher, John, Yee., Junior
Kim, Jeanock, Tea.
Murphy, William, Jay.
Hanzer, Sylvain, S.
Larkin, David, W.
Gallagher, John, Yee., Junior
Kim, Jeanock, Tea.
Application Number:
JP2004543801A
Publication Date:
April 28, 2010
Filing Date:
October 07, 2003
Export Citation:
Assignee:
EXXON RESEARCH AND ENGINEERING COMPANY
International Classes:
C10G65/04; C10G45/02; C10G45/08; C10G45/12; C10G45/62; C10G45/64; C10G69/00; C10M101/02; C10M171/02; B01J29/04; B01J29/74; C10N30/02; C10N70/00
Domestic Patent References:
| JP9221685A | ||||
| JP2002503748A | ||||
| JP9507092A | ||||
| JP2004529251A | ||||
| JP2004504479A | ||||
| JP2001525861A |
Attorney, Agent or Firm:
Kenji Kawabi