ES2012722A6 - Lubricating oil composition for internal combustion engines - Google Patents
Lubricating oil composition for internal combustion enginesInfo
- Publication number
- ES2012722A6 ES2012722A6 ES8901792A ES8901792A ES2012722A6 ES 2012722 A6 ES2012722 A6 ES 2012722A6 ES 8901792 A ES8901792 A ES 8901792A ES 8901792 A ES8901792 A ES 8901792A ES 2012722 A6 ES2012722 A6 ES 2012722A6
- Authority
- ES
- Spain
- Prior art keywords
- internal combustion
- combustion engines
- lubricating oil
- weight approximately
- oil composition
- 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.)
- Expired - Fee Related
Links
Landscapes
- Lubricants (AREA)
Abstract
Lubricating oil composition for internal combustion engines. Comprises: (A) at least 60% by weight approximately of a lubricating viscosity oil, (B) at least 2.0% by weight approximately of at least one carboxylic derived composition produced by the reaction of (B-1) at least one substituted succinic acylating agent which has at least 1.3 succinic groups per equivalent weight of substitutent group in its structure, with (B-2) at least one amine compound which has at least one =NH group in its structure and (C) 0.01-2% by weight approximately of at least one basic alkali metal salt of a sulphonic or carboxylic acid, and optionally (D) at least one metal dihydrocarbyl dithiophosphate and/or (E) at least one composition derived from carboxylic acid and/or (F) at least one partial ester of a fatty acid with a polyhydric alcohol. Useful for reducing wear in the lubricated parts of the said engines.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/202,795 US4952328A (en) | 1988-05-27 | 1988-06-03 | Lubricating oil compositions |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2012722A6 true ES2012722A6 (en) | 1990-04-01 |
Family
ID=22751304
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES8901792A Expired - Fee Related ES2012722A6 (en) | 1988-06-03 | 1989-05-26 | Lubricating oil composition for internal combustion engines |
Country Status (4)
Country | Link |
---|---|
AR (1) | AR246304A1 (en) |
BR (1) | BR8902900A (en) |
ES (1) | ES2012722A6 (en) |
IN (1) | IN175024B (en) |
-
1989
- 1989-05-26 AR AR89314008A patent/AR246304A1/en active
- 1989-05-26 IN IN463DE1989D patent/IN175024B/en unknown
- 1989-05-26 ES ES8901792A patent/ES2012722A6/en not_active Expired - Fee Related
- 1989-05-29 BR BR8902900A patent/BR8902900A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IN175024B (en) | 1995-04-22 |
AR246304A1 (en) | 1994-07-29 |
BR8902900A (en) | 1990-09-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20040503 |