Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ricardo Bloch0
Rolfe Hartley0
Yantao Zhu0
Date of Patent
November 26, 2019
0Patent Application Number
153960130
Date Filed
December 30, 2016
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present disclosure is directed to an additive composition for engine oils comprising; (a) an alkenyl-substituted succinic anhydride and (b) a polyamine compound and (C) Co-additives, wherein the reaction product has a ratio of the amide to imide infrared absorption peak areas of about 1:1.2 to about 1.6. The said reaction product is effective to prevent engine deposits along with protecting elastomeric seal material of an internal combustion engine and also improves piston cleanliness and ring sticking performance of an internal combustion engine.
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