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US 2003/0145513 A1Published application
Defoaming agent for liquid hydrocarbons I
OwnerDavid Herault, Benoit Abribat +2inventors
InventorsDavid Herault, Benoit Abribat, Frank Bongardt, Achim Pfeiffer
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Abstract
The invention relates to a method for defoaming liquid hydrocarbons, whereby these vinyl alkylether polymerizates of general formula (I), in which R represents a saturated or unsaturated, straight or branched alkyl radical with 2 to 18 C atoms, and n represents a number >1, are added in quantities ranging from 1 to 2000 ppm.
Claims16
The use of vinyl alkyl ether compounds of the general formula (I)
- 2
- where R is a saturated or unsaturated, linear or branched alkyl radical having from 2 to 18 carbon atoms and n is a number >1, as defoamers for liquid hydrocarbons.
The use of compounds of the formula (I) for defoaming lubricants.
Dependencies are inferred from the claim text.