Biodegradable two-cycle engine oil compositions and ester base stocks
US6828287B1 · kind B1 · utility
6Cited by
11References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 17, 1997 |
| Grant date | Dec 7, 2004 |
| Priority date | — |
| Expiry date | Jun 16, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B2075/025
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Lubricant compositions comprising biodegradable ester base stocks are provided for water-cooled or air-cooled two-cycle engines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.