Invention Grant
- Patent Title: Wet friction material with quaternary ammonium salts
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Application No.: US16838197Application Date: 2020-04-02
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Publication No.: US11333214B2Publication Date: 2022-05-17
- Inventor: Murat Bakan , Rashid Farahati , Michael Yanetta
- Applicant: Schaeffler Technologies AG & Co. KG
- Applicant Address: DE Herzogenaurach
- Assignee: Schaeffler Technologies AG & Co. KG
- Current Assignee: Schaeffler Technologies AG & Co. KG
- Current Assignee Address: DE Herzogenaurach
- Agency: Davidson, Davidson & Kappel, LLC
- Main IPC: F16D69/02
- IPC: F16D69/02 ; F16D69/04 ; C08K7/04 ; C08L61/06 ; C08K7/02 ; C08K5/19 ; F16D13/74 ; F16D13/72
Abstract:
A method of making a wet friction material includes joining filler particles and fibers together and forming a base; coating an outer surface of the base with a quaternary ammonium salt containing solution; and drying the quaternary ammonium salt containing solution to form a quaternary ammonium salt containing coating on the outer surface of the base.
Public/Granted literature
- US20210310532A1 WET FRICTION MATERIAL WITH QUATERNARY AMMONIUM SALTS Public/Granted day:2021-10-07
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