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US 9,039,791 B2Granted
Use of a reaction product of carboxylic acids with aliphatic polyamines for improving or boosting the separation of water from fuel oils
AssigneeBASF SE
InventorsMaxim Peretolchin, Guenter Oetter, Harald Boehnke, Markus Hansch, Ludwig Voelkel
Life of this patent
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Abstract
Use of a reaction product of saturated or unsaturated aliphatic mono- or polycarboxylic acids with aliphatic polyamines for improving or boosting the separation of water from fuel oils which comprise additives with detergent action. A Fuel additive concentrate comprising the said reaction product, certain additives with detergent action and optionally dehazers, cetane number improvers and solvents or diluents.
Claims13
A method for improving or boosting separation of water from a fuel oil comprising a first additive having detergent action and water, the method comprising:
- separating water from the fuel oil by combining the fuel oil with a reaction product, wherein the reaction product comprises a saturated or unsaturated aliphatic mono- or polycarboxylic acid having from 10 to 200 carbon atoms or an anhydride thereof and an aliphatic polyamine comprising from 2 to 10 nitrogen atoms and from 0 to 2 hydroxyl groups exhibiting a primary or secondary amino group.
Dependencies are inferred from the claim text.