Method and composition for asphaltene dispersion
US10717917B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Jun 20, 2017 |
| Grant date | Jul 21, 2020 |
| Priority date | — |
| Expiry date | Jun 20, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2300/206
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Provided is a method of dispersing asphaltenes to inhibit asphaltene precipitation and/or deposition in a hydrocarbon. The method includes adding to the hydrocarbon an asphaltene dispersing agent which is an ester of a mono-carboxylic fatty acid and a sugar. The sugar has at least 4 hydroxyl groups. In addition, more than one of the hydroxyl groups on the sugar are reacted with the mono-carboxylic fatty acid to form the ester.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.