Two-cycle ester based synthetic lubricating oil
US5942474A · kind A · utility
9Cited by
11References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 1998 |
| Grant date | Aug 24, 1999 |
| Priority date | — |
| Expiry date | May 19, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/26
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A two-cycle oil which is 10 to 20% of an ester of technical grade pentaerythriol with a mixture of (a) branched C8 and (b) mixed linear C8 and C10 monocarboxylic acids, having a viscosity of 6 to 8 cSt at 100.degree. C., 18 to 30% of an oxo alcohol ester of a dicarboxylic acid having a viscosity of 3 to 10 cSt at 100.degree. C., 30 to 40% of a polybutene having an Mn of 300-1500, 15 to 35% of a normally liquid solvent having a boiling point up to 300.degree. C., 0 to 5% of other lubricating oil additives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.