DISPERSANTS DERIVED FROM HYDROXY FATTY ACID POLYESTERS AND POLYALKYLENE GLYCOL DISPERSANTS

The disclosed invention relates to a dispersant composition comprising at least one block derived from (i) a polyester of a hydroxy substituted carboxylic acid and at least one block derived from (ii) a polyalkylene glycol terminated by a amine group or a hydroxyl group. The invention also provides...

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Bibliographic Details
Main Authors JONES, Joanne L, EVELAND, Renee A, GIESELMAN, Matthew D
Format Patent
LanguageEnglish
French
German
Published 07.06.2017
Subjects
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Summary:The disclosed invention relates to a dispersant composition comprising at least one block derived from (i) a polyester of a hydroxy substituted carboxylic acid and at least one block derived from (ii) a polyalkylene glycol terminated by a amine group or a hydroxyl group. The invention also provides lubricating compositions containing the described dispersant as well as methods of making and using the described dispersant, including method of making the dispersant, methods of lubricating an engine with a lubricant containing the described dispersant, and methods of reducing sludge formation in an engine.
Bibliography:Application Number: EP20130717676