Lubricant for powder metallurgy and metal powder compositions containing said lubricant
US10030209B2 · kind B2 · utility
1Cited by
12References
20Claims
0Family size
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Key dates
| Filing date | Sep 12, 2014 |
| Grant date | Jul 24, 2018 |
| Priority date | — |
| Expiry date | Dec 22, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2050/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A particulate composite lubricant for powder metallurgy comprises: first discrete particles comprising at least about 90 wt % of a fatty primary monoamide wax, being substantially free of fatty bisamide wax, and being at least partially coated with metal oxide nanoparticles and second metal-stearate free discrete particles comprising a fatty bisamide wax. A particulate composite lubricant for powder metallurgy can comprise: a Montan acid ester wax and at least one fatty amide wax comprising at least one of a fatty monoamide wax and a fatty bisamide wax.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.