Lubricant for powder metallurgy, powdery mixture for powder metallurgy, and process for producing sinter
US7789934B2 · kind B2 · utility
4Cited by
8References
20Claims
0Family size
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Key dates
| Filing date | Jan 19, 2005 |
| Grant date | Sep 7, 2010 |
| Priority date | — |
| Expiry date | Jan 31, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/242
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricant for powder metallurgy which includes a polyhydroxycarboxylic acid amide. The lubricant improves both flowability and lubricity, irrespective of a presence or absence of any complicated pretreatment step.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.