Engine oil deterioration preventing agent and device
US5950591A · kind A · utility
6Cited by
3References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1998 |
| Grant date | Sep 14, 1999 |
| Priority date | — |
| Expiry date | Jun 25, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10M175/0091
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
According to the present invention, there is provided an engine oil deterioration preventing agent comprising, an addition agent for preventing a deterioration of an engine oil, and a housing body for housing the addition agent therein to discharge the addition agent to the engine oil when the engine oil is deteriorated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.