Invention Grant
US5066412A Friction modifier additive and lubricating oil composition containing
same
失效
含有摩擦改性剂的添加剂和润滑油组合物
- Patent Title: Friction modifier additive and lubricating oil composition containing same
- Patent Title (中): 含有摩擦改性剂的添加剂和润滑油组合物
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Application No.: US649504Application Date: 1991-02-01
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Publication No.: US5066412APublication Date: 1991-11-19
- Inventor: Cyril A. Migdal , Shailaja M. Shirodkar , Thomas F. DeRosa , Edward F. Miller
- Applicant: Cyril A. Migdal , Shailaja M. Shirodkar , Thomas F. DeRosa , Edward F. Miller
- Applicant Address: NY White Plains
- Assignee: Texaco Inc.
- Current Assignee: Texaco Inc.
- Current Assignee Address: NY White Plains
- Main IPC: C10L1/10
- IPC: C10L1/10 ; C07C69/65 ; C10L1/18 ; C10L1/19 ; C10L10/08 ; C10M131/12 ; C10N30/06 ; C10N40/25
Abstract:
A polymeric lubricating oil additive containing pendant perfluoroaliphatic ester groups that behave as a fuel economy enhancer when added to lubricating oil compositions. The additive is prepared by the process which comprises reacting a perfluoroaliphatic alcohol with an alkenyl succinic acid anhydride to form a alakenyl succinic mono and/or diester in the presence of an acid catalyst.
Public/Granted literature
- US4624258A Cervical dilator with captive extraction element Public/Granted day:1986-11-25
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