Title:
【発明の名称】分散剤/粘度指数向上剤の製造方法
Document Type and Number:
Japanese Patent JP2905611
Kind Code:
B2
Abstract:
Dispersant/VI improver luboil additives are produced by reacting a star polymer with an alpha, beta unsaturated carboxylic acid or derivative to form an activated star polymer, which is then reacted with (a) at least one compound of general formula RO(AO)nH wherein R is a C4-20 alkyl group, any A moiety is independently an ethylene or propylene moiety, and n is 0 to 5, optionally followed by reaction with (b) an alkyl carboxylic acid and/or (c) an alkylamine or alkane polyol, or with the preformed product of reactants (b) and (c), optionally followed by esterifying any residual acid groups with a C1-6 alkanol.
Inventors:
ARII FUAN ZON
HERARUDA YAKOBA KURAFUERU
HERARUDA YAKOBA KURAFUERU
Application Number:
JP6493391A
Publication Date:
June 14, 1999
Filing Date:
March 28, 1991
Export Citation:
Assignee:
SHERU INTERN RISAACHI MAACHATSUPII BV
International Classes:
C08F8/00; C08F8/14; C08F8/32; C08F8/46; C08F287/00; C08F297/04; C09K3/00; C10M143/12; C10M145/18; C10M149/14; C10M159/12; C03C17/28; D06P1/00; C10N30/02; C10N30/04; C10N40/25; C10N70/00; (IPC1-7): C10M159/12; C08F287/00; C08F297/04
Attorney, Agent or Firm:
Yoshio Kawaguchi (2 outside)