CA2465606A1 - A method of reducing sludge and varnish precursors in lubricating oils - Google Patents

A method of reducing sludge and varnish precursors in lubricating oils Download PDF

Info

Publication number
CA2465606A1
CA2465606A1 CA002465606A CA2465606A CA2465606A1 CA 2465606 A1 CA2465606 A1 CA 2465606A1 CA 002465606 A CA002465606 A CA 002465606A CA 2465606 A CA2465606 A CA 2465606A CA 2465606 A1 CA2465606 A1 CA 2465606A1
Authority
CA
Canada
Prior art keywords
lubricating oils
reducing sludge
varnish precursors
varnish
precursors
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002465606A
Other languages
French (fr)
Other versions
CA2465606C (en
Inventor
Darrell W. Brownawell
Warren A. Thaler
Cruise K. Jones
Jacob Emert
Abhimanyu O. Patil
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ExxonMobil Chemical Patents Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority claimed from CA002160778A external-priority patent/CA2160778C/en
Publication of CA2465606A1 publication Critical patent/CA2465606A1/en
Application granted granted Critical
Publication of CA2465606C publication Critical patent/CA2465606C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Lubricants (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

A method, for reducing piston deposits in an engine lubricated with lubricating oil, the lubricating oil containing a soluble weak base and circulating within the lubricating system of the engine.
CA002465606A 1993-04-19 1994-04-19 A method of reducing sludge and varnish precursors in lubricating oils Expired - Fee Related CA2465606C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US4921093A 1993-04-19 1993-04-19
US049,210 1993-04-19
CA002160778A CA2160778C (en) 1993-04-19 1994-04-19 A method of reducing sludge and varnish precursors in lubricating oils

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002160778A Division CA2160778C (en) 1993-04-19 1994-04-19 A method of reducing sludge and varnish precursors in lubricating oils

Publications (2)

Publication Number Publication Date
CA2465606A1 true CA2465606A1 (en) 1994-10-27
CA2465606C CA2465606C (en) 2008-12-23

Family

ID=32597856

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002465606A Expired - Fee Related CA2465606C (en) 1993-04-19 1994-04-19 A method of reducing sludge and varnish precursors in lubricating oils

Country Status (1)

Country Link
CA (1) CA2465606C (en)

Also Published As

Publication number Publication date
CA2465606C (en) 2008-12-23

Similar Documents

Publication Publication Date Title
CA2171536A1 (en) Lubricating Compositions with Improved Antioxidancy
CA2009537A1 (en) Perfluoropolyethers having antirust properties, useful as components or additives for lubricating oils and greases
CA2024006A1 (en) Method of removing sludge from lubricating oils
AU3966497A (en) Crankcase lubricant for heavy duty diesel oil
GR3033493T3 (en) Reclamation of used lubricating oil.
CA2085074A1 (en) Engine oil composition
EP0682102A3 (en) Lubricating oil additives.
AU622846B2 (en) Crankcase breather and lubrication oil system for an internal combustion engine
CA2122825A1 (en) Fuel composition for two-cycle engines
EP0620264A3 (en) Lubricating oils.
CA2390743A1 (en) Lubricating oil compositions
EP0736591A3 (en) Lubricating oil additive, lubricating oil and working fluid for refrigerators
AU4966397A (en) Lubricating oil composition for refrigerators and method for lubrication with the composition
CA2160778A1 (en) A method of reducing sludge and varnish precursors in lubricating oils
CA2215783A1 (en) Apparatus and method for burning spent lubricating oil in an internal combustion engine
GB2228047B (en) Cylinder block having an improved lubricating oil passage structure.
CA2023927A1 (en) Method of removing hydroperoxides from lubricating oils
ES2131143T3 (en) FATS BASED ON MINERAL OILS OR HYDROGENATED SYNTHETICS WITH IMPROVED PROPERTIES.
EP0183913A3 (en) Lubricant additive concentrate
CA2276782A1 (en) Phenolic borates and lubricants containing same
GB2326424B (en) A two stroke motorcycle lubricant
CA2168785A1 (en) Additive containing antifoam agents for hydrocarbon oils
AU6334994A (en) Lubricating oil compositions for railroad diesel engines
ES2145780T3 (en) AUTOMOBILE LUBRICANT.
CA2465606A1 (en) A method of reducing sludge and varnish precursors in lubricating oils

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed