Alpha branched esters for use in metalworking fluids and metalworking fluids containing such esters
US7008909B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2003 |
| Grant date | Mar 7, 2006 |
| Priority date | — |
| Expiry date | Nov 2, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Alpha branched esters for use in a metalworking fluid represented by the formula (I): wherein R1, R2, and R3 are each independently selected from a hydrocarbon group having one to thirty-six carbon atoms are described. The hydrocarbon groups may be independently an alkyl group, an alkenyl group, an aryl group, or an allyl group; substituted or unsubstituted; branched, cyclic, or linear. Also provided are metalworking concentrates comprising the alpha branched ester, as described above, and, optionally, a hydrocarbon oil, as well as metalworking fluids including water, and the alpha branched esters of the invention. The invention also includes methods of preparing the metalworking fluid and composition of the invention, as well as methods of improving the operating life of the fluid or composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.