Lubricant for forging in the form of a powder or a compacted powder
US9434904B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Dec 19, 2012 |
| Grant date | Sep 6, 2016 |
| Priority date | — |
| Expiry date | Jun 5, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a lubricating composition for forging in the form of a powder or a compacted powder including: one or more dicarboxylic acid(s) chosen among adipic acid, phthalic acid, isophthalic acid, terephthalic acid, sebacic acid, succinic acid and suberic acid; and one or more base(s) chosen among sodium carbonate, sodium bicarbonate, potassium carbonate and potassium bicarbonate, the dicarboxylic acid(s)/base(s) molar ratio ranging between 0.8 and 1.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.