JPS5641299A - Lubricating oil composition - Google Patents
Lubricating oil compositionInfo
- Publication number
- JPS5641299A JPS5641299A JP11516979A JP11516979A JPS5641299A JP S5641299 A JPS5641299 A JP S5641299A JP 11516979 A JP11516979 A JP 11516979A JP 11516979 A JP11516979 A JP 11516979A JP S5641299 A JPS5641299 A JP S5641299A
- Authority
- JP
- Japan
- Prior art keywords
- lubricating oil
- prepared
- oil composition
- heat
- dispersant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Lubricants (AREA)
Abstract
PURPOSE: A lubricating oil composition which serves well in reducing a coefficient of friction between contact surfaces and heat generation thereat, prepared by mixing a specified solid lubricant and a specified dispersant.
CONSTITUTION: Substantially spherical, optically anisotropic, small particles having 0.1W100μ particle diameter, are prepared by heat-treating pitch (such as a petroleum-derived heavy distillate or a heavy distillate derived from a dry distillation liquid of cool) at about 350W500°C and treating the heat-treated product with a solvent such as quinoline thereby to render the product insoluble. Then, the lubricating oil composition is prepared by mixing 100pts.wt. of a liquid lubricating oil to which about 0.5W10wt% of said anisotropic particles are added as a solid lubricant, with about 0.1W15pts.wt. of a dispersant such as carboxymethyl cellulose, an inorganic ammonium salt or gum arabic.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11516979A JPS603360B2 (en) | 1979-09-10 | 1979-09-10 | lubricating oil composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11516979A JPS603360B2 (en) | 1979-09-10 | 1979-09-10 | lubricating oil composition |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5641299A true JPS5641299A (en) | 1981-04-17 |
JPS603360B2 JPS603360B2 (en) | 1985-01-28 |
Family
ID=14656043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11516979A Expired JPS603360B2 (en) | 1979-09-10 | 1979-09-10 | lubricating oil composition |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS603360B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61233090A (en) * | 1985-04-09 | 1986-10-17 | Shinsaku Sakamoto | Lubricant |
WO1991005032A1 (en) * | 1989-10-05 | 1991-04-18 | Nippon Oil Co., Ltd. | Oil composition |
-
1979
- 1979-09-10 JP JP11516979A patent/JPS603360B2/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61233090A (en) * | 1985-04-09 | 1986-10-17 | Shinsaku Sakamoto | Lubricant |
WO1991005032A1 (en) * | 1989-10-05 | 1991-04-18 | Nippon Oil Co., Ltd. | Oil composition |
EP0447558B1 (en) * | 1989-10-05 | 1994-04-20 | Nippon Oil Co. Ltd. | Oil composition |
Also Published As
Publication number | Publication date |
---|---|
JPS603360B2 (en) | 1985-01-28 |
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