Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Justin D. Debord0
Samuel Asomaning0
Piyush Srivastava0
Christopher Gallagher0
Paul Hart0
Date of Patent
August 23, 2011
Patent Application Number
12196781
Date Filed
August 22, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
Naphthenic acid solids and/or emulsions can be inhibited by introducing an additive to crude oil prior to or concurrent with the deprotonation of the naphthenic acids present in the crude oil. The additives may be surfactants and can be amines, quaternary ammonium compounds, quaternary phosphonium compounds, and mixtures of both. The additives may also be linear compounds having at least two carboxylic acid or acrylic acid functional moieties.
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