CA2251418A1 - A method to improve cu corrosion performance of mo-dtc and active sulfur by adding sunflower oil - Google Patents

A method to improve cu corrosion performance of mo-dtc and active sulfur by adding sunflower oil

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Publication number
CA2251418A1
CA2251418A1 CA002251418A CA2251418A CA2251418A1 CA 2251418 A1 CA2251418 A1 CA 2251418A1 CA 002251418 A CA002251418 A CA 002251418A CA 2251418 A CA2251418 A CA 2251418A CA 2251418 A1 CA2251418 A1 CA 2251418A1
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CA
Canada
Prior art keywords
dtc
improve
sunflower oil
sulfur
corrosion performance
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
CA002251418A
Other languages
French (fr)
Other versions
CA2251418C (en
Inventor
Junsuke Haruna
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.)
Lubrizol Corp
Original Assignee
Lubrizol Corp
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Filing date
Publication date
Priority claimed from JP29894097A external-priority patent/JP4641567B2/en
Application filed by Lubrizol Corp filed Critical Lubrizol Corp
Publication of CA2251418A1 publication Critical patent/CA2251418A1/en
Application granted granted Critical
Publication of CA2251418C publication Critical patent/CA2251418C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
    • C10M135/12—Thio-acids; Thiocyanates; Derivatives thereof
    • C10M135/14—Thio-acids; Thiocyanates; Derivatives thereof having a carbon-to-sulfur double bond
    • C10M135/18—Thio-acids; Thiocyanates; Derivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
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    • C10M135/28—Thiols; Sulfides; Polysulfides containing sulfur atoms bound to a carbon atom of a six-membered aromatic ring
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/25—Internal-combustion engines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/25—Internal-combustion engines
    • C10N2040/251—Alcohol-fuelled engines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/25—Internal-combustion engines
    • C10N2040/255—Gasoline engines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/25—Internal-combustion engines
    • C10N2040/255—Gasoline engines
    • C10N2040/28—Rotary engines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

Lubricating compositions are described which contain organomolybdenum compounds and sulfur compounds (donors). The copper corrosion of said compositions is reduced by reacting the sulfur donors with plant oils to reduce sulfur activity and thus copper corrosion prior to the sulfur donors being added to the majority of oil to form a lubricating composition.
CA002251418A 1997-10-30 1998-10-23 A method to improve cu corrosion performance of mo-dtc and active sulfur by adding sunflower oil Expired - Fee Related CA2251418C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP29894097A JP4641567B2 (en) 1997-10-30 1997-10-30 Method to improve copper corrosion performance of molybdenum dithiocarbamate and active sulfur by adding sunflower oil
JP9-298940 1997-10-30
US09/030,381 1998-02-25
US09/030,381 US6281174B1 (en) 1997-10-30 1998-02-25 Method to improve Cu corrosion performance of Mo-DTC and active sulfur by adding sunflower oil

Publications (2)

Publication Number Publication Date
CA2251418A1 true CA2251418A1 (en) 1999-04-30
CA2251418C CA2251418C (en) 2007-08-14

Family

ID=26561719

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002251418A Expired - Fee Related CA2251418C (en) 1997-10-30 1998-10-23 A method to improve cu corrosion performance of mo-dtc and active sulfur by adding sunflower oil

Country Status (3)

Country Link
EP (1) EP0913455B1 (en)
CA (1) CA2251418C (en)
DE (1) DE69838239T2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20022322A1 (en) * 2002-10-31 2004-05-01 Agip Petroli LUBRICANT OIL FOR ENGINES TO REDUCE FUEL CONSUMPTION
KR102707883B1 (en) * 2019-10-30 2024-09-24 게케엔 드리펠린 인터나쇼날 게엠베하 Grease composition for constant velocity joints containing zinc sulfide and copper sulfide together with molybdenum disulfide and/or tungsten disulfide

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4228022A (en) * 1979-06-28 1980-10-14 Chevron Research Company Sulfurized alkylphenol-olefin reaction product lubricating oil additive
CA1228847A (en) * 1982-10-28 1987-11-03 James N. Vinci Sulfur containing lubricating compositions
GB9415623D0 (en) * 1994-08-01 1994-09-21 Exxon Chemical Patents Inc Improvements in oleaginous compositions
CA2195475A1 (en) * 1994-09-01 1996-03-07 Michiya Yamada Lubricants with sustained fuel economy performance

Also Published As

Publication number Publication date
CA2251418C (en) 2007-08-14
EP0913455A3 (en) 2000-05-17
DE69838239T2 (en) 2008-03-06
DE69838239D1 (en) 2007-09-27
EP0913455B1 (en) 2007-08-15
EP0913455A2 (en) 1999-05-06

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