Title:
星形重合体およびそれらの組成物
Document Type and Number:
Japanese Patent JP5078087
Kind Code:
B2
Abstract:
wherein R1 is hydrogen, a linear or branched alkyl group containing 1 to 5 carbon atoms; A is nitrogen or oxygen; and Y is a free radical leaving group selected from the group consisting of one or more atoms or groups of atoms which may be transferred by a radical mechanism under the polymerisation conditions, a halogen, an —O—N═ group and an —S—C(═S)— group. The invention further provides the use of the composition in an oil of lubricating viscosity as a dispersant, a viscosity modifier or a precursor to a dispersant viscosity modifier.
Inventors:
Bisgar, Daniel
Davis, mark
Price, david
Baume, marina
Showbar, Burton Jay.
Johnson, John Earl.
Davis, mark
Price, david
Baume, marina
Showbar, Burton Jay.
Johnson, John Earl.
Application Number:
JP2007538128A
Publication Date:
November 21, 2012
Filing Date:
October 21, 2005
Export Citation:
Assignee:
THE LUBRIZOL CORPORATION
International Classes:
C08L33/04; C10M145/14; C10M147/00; C10M149/06; C10M149/10; C10M151/02; C10M153/02; C10M155/00; C10M169/04; C10N20/00; C10N20/04; C10N30/02; C10N30/06; C10N40/04; C10N40/08; C10N40/25; C10N70/00
Domestic Patent References:
| JP2002514667A | ||||
| JP2003515633A | ||||
| JP2008518051A |
Foreign References:
| US6610801 | ||||
| WO2000024795A1 |
Attorney, Agent or Firm:
Hidesaku Yamamoto
Takaaki Yasumura
Natsuki Morishita
Takaaki Yasumura
Natsuki Morishita