Title:
【発明の名称】潤滑油中のスラッジ及びワニスの先駆体の低減法
Document Type and Number:
Japanese Patent JPH08508773
Kind Code:
A
Abstract:
A method, composition and filter for reducing the presence of sludge or varnish precursors in a lubricating oil circulating within an internal combustion engine. The lubricating oil containing sludge or varnish precursors is contacted with discrete particles of an oil insoluble, oil wettable compound having an antioxidant functional group and/or a dispersant functional group, which are capable of complexing with sludge or varnish precursors. Preferably the compounds comprise a crosslinked amine having ethylene amine functionality.
Inventors:
Brownwell, Darrell W
Sayla, Warren A.
Jones, Cruise Kay
Emmert, Jacob
Patil, Abuhi Manyu
Sayla, Warren A.
Jones, Cruise Kay
Emmert, Jacob
Patil, Abuhi Manyu
Application Number:
JP52252694A
Publication Date:
September 17, 1996
Filing Date:
April 19, 1994
Export Citation:
Assignee:
Exxon Chemical Patents, Inc.
International Classes:
C10M149/22; C10M171/06; C10M175/00; (IPC1-7): C10M175/00
Attorney, Agent or Firm:
Yuzo Yamazaki (1 person outside)