Linear compounds containing phenol and salicylic acid units
US6802874B2 · kind B2 · utility
3Cited by
26References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 16, 2003 |
| Grant date | Oct 12, 2004 |
| Priority date | — |
| Expiry date | Jun 16, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10M159/22
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention disclosed herein relates to linear compounds in the form of oligomers or polymers containing unsubstituted or substituted phenol units and unsubstituted or substituted salicylic acid units. These compounds are useful as additives for lubricants and fuels. Metal salts of these compounds are useful as lubricant additives. A process for making these compounds is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.