Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Richard D. Bertram0
Peter D. Watts0
Peter J. Dowding0
Date of Patent
September 6, 2011
0Patent Application Number
125968810
Date Filed
April 10, 2008
0Patent Primary Examiner
Patent abstract
An overbased metal hydrocarbyl-substituted hydroxybenzoate detergent having a basicity index of less than 2 and a degree of carbonation of 80% or greater is disclosed. The overbased metal hydrocarbyl-substituted hydroxybenzoate detergent reduces asphaltene precipitation or ‘black paint’ in a marine diesel engine.
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