Exxonmobil Research and Engineering Company

Kevin J Buzdygon

James Thomas Carey

Angela Stefana Galiano-Roth

David K Prendergast

A polyalkylene glycol based lubricant composition that contains specified rust inhibitors and antioxidants has lowered operating temperature and is particularly suitable for use in worm drive gearboxes. The rust inhibitors consist of an N-acylo arcosine and an imidizole while the antioxidant consists of an alkylated diphenyl amine and a hindered phenol.

High efficiency polyalkylene glycol lubricants for use in worm gears

A combination of an ashless dispersant comprising the reaction product of a succinic anhydride and a polyamine and an ashless rust inhibitor comprising a mixture of a succinic anhydride and a oxime substituted aromatic compound in a lubricant base stock along with a poly alkylene alcohol demulsifier provides a circulating oil composition having good demulsibility, deposit control and rust inhibition.

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Wilmington, DE, United States of America

Kevin J Buzdygon