Title:
【発明の名称】アルケニル置換ジカルボン酸もしくは無水物エステル誘導体
Document Type and Number:
Japanese Patent JPH11512142
Kind Code:
A
Abstract:
The invention provides alkenyl-substituted dicarboxylic derivatives, having (a) an alkenyl group derived from an atactic propylene oligomer substantially of the formula (I) where n is in the range 15 to 120, having number average molecular weight (Mn) in the range 700 to 5000, and molar ratio dicarboxylic moieties to atactic propylene oligomer in the range 1:1 to 1.5:1; and having (b) an ester group derived from a polyol, which are useful as dispersant additives; a process for making the ester derivatives, additive concentrates containing such ester derivatives, and lubricating oil compositions.
Inventors:
Clark, Michael, Thomas
Werkow, hendrisk, tamen
Werkow, hendrisk, tamen
Application Number:
JP51087897A
Publication Date:
October 19, 1999
Filing Date:
September 06, 1996
Export Citation:
Assignee:
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BESLOTEN VENNOOTSHAP
International Classes:
C07C57/13; C07C57/145; C07C69/40; C07C69/593; C07C69/60; C08F8/14; C08F8/46; C08F110/06; C10M145/22; C07C55/10; C10N20/00; (IPC1-7): C08F8/46; C07C55/10; C07C57/145; C07C69/40; C07C69/60; C08F8/14; C08F110/06
Attorney, Agent or Firm:
Kawahara Kazuho