METHOD AND COMPOSITION FOR ASPHALTENE DISPERSION
First Claim
1. A method of dispersing asphaltenes to inhibit asphaltene precipitation and/or deposition in a hydrocarbon, the method comprising adding to the hydrocarbon an asphaltene dispersing agent which is an ester of a mono-carboxylic fatty acid and a sugar;
- wherein the sugar comprises at least 4 hydroxyl groups; and
wherein more than one of the hydroxyl groups on the sugar are reacted with the mono-carboxylic fatty acid to form the ester.
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Abstract
A method of dispersing asphaltenes to inhibit asphaltenes precipitation and/or deposition in a hydrocarbon is disclosed. An asphaltene dispersing agent is added to the hydrocarbon. The asphaltene dispersing agent is an ester of a mono-carboxylic fatty acid and a sugar. The sugar has at least 4 hydroxyl groups and more than one of the hydroxyl groups on the sugar are reacted with the mono-carboxylic fatty acid to form the ester. A composition comprising the asphaltene dispersing agent is also disclosed.
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Citations
15 Claims
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1. A method of dispersing asphaltenes to inhibit asphaltene precipitation and/or deposition in a hydrocarbon, the method comprising adding to the hydrocarbon an asphaltene dispersing agent which is an ester of a mono-carboxylic fatty acid and a sugar;
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wherein the sugar comprises at least 4 hydroxyl groups; and wherein more than one of the hydroxyl groups on the sugar are reacted with the mono-carboxylic fatty acid to form the ester. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 15)
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13. (canceled)
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14. (canceled)
Specification