Invention Grant
- Patent Title: Polymeric phosphorus esters for lubricant applications
- Patent Title (中): 用于润滑剂应用的聚合磷酯
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Application No.: US13266487Application Date: 2010-04-21
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Publication No.: US09074157B2Publication Date: 2015-07-07
- Inventor: Craig D. Tipton , Charla A. Ramsey , Daniel J. Knapton , Paul E. Adams
- Applicant: Craig D. Tipton , Charla A. Ramsey , Daniel J. Knapton , Paul E. Adams
- Applicant Address: US OH Wickliffe
- Assignee: The Lubrizol Corporation
- Current Assignee: The Lubrizol Corporation
- Current Assignee Address: US OH Wickliffe
- Agent David M. Shold
- International Application: PCT/US2010/031880 WO 20100421
- International Announcement: WO2010/126760 WO 20101104
- Main IPC: C10M159/12
- IPC: C10M159/12 ; C10M153/00 ; C10M137/12
Abstract:
A lubricant composition of an oil of lubricating viscosity and a polymeric phosphorus ester comprising the condensation product of a monomeric phosphorus acid or an ester thereof with a diol having two hydroxy groups separated by a chain of 4 to about 100 atoms exhibits good volatility, corrosion, wear, and/or seal performance in lubrication of a transmission.
Public/Granted literature
- US20130079264A1 Polymeric Phosphorus Esters for Lubricant Applications Public/Granted day:2013-03-28
Information query
IPC分类:
