Invention Grant
- Patent Title: Method for enhancing the oxidation and nitration resistance of natural gas engine oil compositions and such compositions
- Patent Title (中): 提高天然气发动机油组合物和这种组合物的氧化和硝化抗性的方法
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Application No.: US12221638Application Date: 2008-08-05
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Publication No.: US08383563B2Publication Date: 2013-02-26
- Inventor: Marc-André Poirier , Kathleen Hoard Tellier , Stanley James Cartwright
- Applicant: Marc-André Poirier , Kathleen Hoard Tellier , Stanley James Cartwright
- Applicant Address: US NJ Annandale
- Assignee: ExxonMobil Research and Engineering Company
- Current Assignee: ExxonMobil Research and Engineering Company
- Current Assignee Address: US NJ Annandale
- Agent Robert A. Migliorini
- Main IPC: C10M171/00
- IPC: C10M171/00 ; C10M169/04
Abstract:
The resistance to oxidation and nitration of a gas engine oil is improved by the use of a combination of a hindered phenolic antioxidant and an (alkylated) phenyl-α-naphthylamine antioxidant. The additional use of an organo molybdenum compound further enhances the resistance to oxidation and nitration.
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