Super overbased polyalkenyl sulfonate and alkylaryl sulfonate composition and process for making the same
US8603956B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Apr 12, 2006 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Aug 31, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2030/52
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention is directed to super overbased polyalkenyl sulfonate and alkylaryl sulfonate composition comprising (a) one or more super overbased polyalkenyl sulfonates and (b) one or more super overbased alkylaryl sulfonates wherein the total base number (TBN) of the sulfonate composition is greater than 400. The present invention is also directed to a process for preparing such super overbased polyalkenyl sulfonate and alkylaryl sulfonate composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.