Title:
【発明の名称】鉱油の粘度改良
Document Type and Number:
Japanese Patent JP2880762
Kind Code:
B2
Abstract:
Mineral oil composition comprising an additive which has been prepared by copolymerizing a mixture of at least two alpha-olefins with at least 16 carbon atoms each in the presence of a catalyst comprising a) a tetravalent titanium compound on a magnesium dihalide support and an alkyl ester of an aromatic carboxylic acid and b) a trialkyl aluminium compound.
Inventors:
UIREMU SHAARUDEIN
UIRUHERUMINA YOHANNA MARIA FUAN DERU RINDENNREMERUSU
MARINUSU YOHANNESU REINOTO
HENDORIKU SUHAADENBERUFU
UIRUHERUMINA YOHANNA MARIA FUAN DERU RINDENNREMERUSU
MARINUSU YOHANNESU REINOTO
HENDORIKU SUHAADENBERUFU
Application Number:
JP12811290A
Publication Date:
April 12, 1999
Filing Date:
May 17, 1990
Export Citation:
Assignee:
SHERU INTERN RISAACHI MAACHATSUPII BV
International Classes:
C10L1/16; C08F4/60; C08F4/658; C08F10/14; C08F210/14; C09K3/00; C10L10/14; C10L10/16; C10M143/08; C10N30/02; C10N40/25; C10N70/00; (IPC1-7): C10L1/16; C08F4/658; C08F210/14; C09K3/00; C10M143/08
Domestic Patent References:
| JP6197389A | ||||
| JP60229906A | ||||
| JP597757B2 |
Attorney, Agent or Firm:
Yoshio Kawaguchi (2 outside)