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Title:
【発明の名称】分散剤/▲VI▼向上剤の製造方法
Document Type and Number:
Japanese Patent JP2857179
Kind Code:
B2
Abstract:
Improved 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) an alkyl carboxylic acid and b) an alkylamine or alkane polyol, or with the preformed product of reactants a) and b).

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Inventors:
ERIE FUAN ZON
HERARUDA YAKOBA KURABERU
Application Number:
JP27056889A
Publication Date:
February 10, 1999
Filing Date:
October 11, 1989
Export Citation:
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Assignee:
SHERU INTERN RISAACHI MAACHATSUPII BV
International Classes:
C08F8/00; C08F8/30; C08F8/32; C08F279/02; C08F287/00; C08F297/04; C10M143/12; C10M159/12; C09K23/52; C10N30/02; C10N30/04; C10N40/25; C10N60/00; C10N60/02; (IPC1-7): C08F297/04; B01F17/52; C08F8/00; C08F287/00; C10M159/12
Domestic Patent References:
JP61266448A
JP53139694A
Other References:
【文献】米国特許4557849(US,A)
Attorney, Agent or Firm:
Yoshio Kawaguchi (2 outside)



 
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