Composition and method of manufacturing sulfonate-based greases using a glycerol derivative
US12331261B2 · kind B2 · utility
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43Claims
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Key dates
| Filing date | Nov 12, 2019 |
| Grant date | Jun 17, 2025 |
| Priority date | — |
| Expiry date | Nov 12, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2050/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A sulfonate-based grease composition and method of manufacture comprising the addition of one or more glycerol derivatives. The glycerol derivative acts to optimally disperse the thickener in the grease such that the conventional step of milling the grease may not be needed. The glycerol derivative reacts with water to form in-situ complexing acids, which may replace at least some of the normally used complexing acids for reacting with calcium containing bases. The greases according to preferred embodiments have a high dropping point, improved thickener yield, and faster conversion time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.