Sulfonate grease improvement
US5338467A · kind A · utility
32Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 3, 1993 |
| Grant date | Aug 16, 1994 |
| Priority date | — |
| Expiry date | Mar 3, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10M177/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The process of forming a non-Newtonian oil composition in the form of a grease comprising an overbased calcium sulfonate and solid particles of colloidally dispersed calcium carbonate in the form of calcite which comprises heating overbased calcium sulfonate, amorphous calcium carbonate and a converting agent comprising a fatty acid of twelve to twenty-four carbon atoms in an oleaginous medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.