Triglyceride based lubricant
US7601677B2 · kind B2 · utility
7Cited by
12References
10Claims
0Family size
Inventors
Key dates
| Filing date | Aug 11, 2004 |
| Grant date | Oct 13, 2009 |
| Priority date | — |
| Expiry date | Oct 25, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/26
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for lubrication by supplying a liquid lubricant to moving metal parts, more than fifty percent by weight of the liquid lubricant being a triglyceride vegetable oil having a saturated fatty acid content of less than nine percent by weight of the triglyceride vegetable oil and a polyunsaturated fatty acid content of more than seventy percent by weight of the triglyceride vegetable oil, the triglyceride vegetable oil having an American Petroleum Institute Thermo-Oxidation Engine Oil Simulation Test rod residue weight of less than thirty five milligrams and a pour point of less than minus twenty degrees Celsius.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.