WO1996012780A3 - Lube oil antioxidants - Google Patents

Lube oil antioxidants Download PDF

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Publication number
WO1996012780A3
WO1996012780A3 PCT/US1995/013789 US9513789W WO9612780A3 WO 1996012780 A3 WO1996012780 A3 WO 1996012780A3 US 9513789 W US9513789 W US 9513789W WO 9612780 A3 WO9612780 A3 WO 9612780A3
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WO
WIPO (PCT)
Prior art keywords
antioxidancy
aminic
provides
base stock
lube oil
Prior art date
Application number
PCT/US1995/013789
Other languages
French (fr)
Other versions
WO1996012780A2 (en
Inventor
David G L Holt
Manuel A Francisco
Original Assignee
Exxon Research Engineering Co
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Filing date
Publication date
Application filed by Exxon Research Engineering Co filed Critical Exxon Research Engineering Co
Publication of WO1996012780A2 publication Critical patent/WO1996012780A2/en
Publication of WO1996012780A3 publication Critical patent/WO1996012780A3/en

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    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
    • C10M2215/068—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings having amino groups bound to polycyclic aromatic ring systems, i.e. systems with three or more condensed rings
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/046—Overbasedsulfonic acid salts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
    • C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
    • C10M2219/087—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Derivatives thereof, e.g. sulfurised phenols
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
    • C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
    • C10M2219/087—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Derivatives thereof, e.g. sulfurised phenols
    • C10M2219/088—Neutral salts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
    • C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
    • C10M2219/087—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Derivatives thereof, e.g. sulfurised phenols
    • C10M2219/089—Overbased salts

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

Abstract

The present invention provides for lubricating oil compositions comprising the synergistic combination of a synthetic lube base stock, an aminic antioxidant, a phenolic antioxidant and an antioxidancy enhancing amount of oil soluble or oil dispersible multiring aromatics such as 2, 3 and 4 ring multiring aromatics in a minor amount, typically less than 25 wt.%, but more preferably at least about 4.0 wt.%. The present invention also provides for a method of enhancing the antioxidancy of the synthetic lube base stock containing an aminic and a phenolic antioxidant by addition of the aforementioned multiring aromatics. The invention has utility in lube applications.
PCT/US1995/013789 1994-10-25 1995-10-25 Lube oil antioxidants WO1996012780A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32821094A 1994-10-25 1994-10-25
US08/328,210 1994-10-25

Publications (2)

Publication Number Publication Date
WO1996012780A2 WO1996012780A2 (en) 1996-05-02
WO1996012780A3 true WO1996012780A3 (en) 1996-06-27

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Application Number Title Priority Date Filing Date
PCT/US1995/013789 WO1996012780A2 (en) 1994-10-25 1995-10-25 Lube oil antioxidants

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WO (1) WO1996012780A2 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2126451A1 (en) * 1970-05-29 1971-12-02 Shell Internationale Research Maatschappij N.V., Den Haag (Niederlande) Organic substances containing oxidation inhibitors, in particular fuels or fuels and lubricants
US4714794A (en) * 1984-11-28 1987-12-22 Nippon Oil Co., Ltd. Synthetic oils
US4777307A (en) * 1987-12-14 1988-10-11 Exxon Research And Engineering Company Method for improving the oxidation stability of refined hydrocarbon oils
US4800032A (en) * 1987-07-08 1989-01-24 The Lubrizol Corporation Aliphatic hydrocarbon substituted aromatic hydrocarbons to control black sludge in lubricants
EP0346283A2 (en) * 1988-06-09 1989-12-13 Ciba-Geigy Ag Lubricant composition
EP0496486A1 (en) * 1991-01-11 1992-07-29 Mobil Oil Corporation Lubricant compositions
US5236610A (en) * 1992-02-03 1993-08-17 The United States Of America As Represented By The Secretary Of The Commerce Stable high temperature liquid lubricant blends and antioxidant additives for use therewith

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2126451A1 (en) * 1970-05-29 1971-12-02 Shell Internationale Research Maatschappij N.V., Den Haag (Niederlande) Organic substances containing oxidation inhibitors, in particular fuels or fuels and lubricants
US4714794A (en) * 1984-11-28 1987-12-22 Nippon Oil Co., Ltd. Synthetic oils
US4800032A (en) * 1987-07-08 1989-01-24 The Lubrizol Corporation Aliphatic hydrocarbon substituted aromatic hydrocarbons to control black sludge in lubricants
US4777307A (en) * 1987-12-14 1988-10-11 Exxon Research And Engineering Company Method for improving the oxidation stability of refined hydrocarbon oils
EP0346283A2 (en) * 1988-06-09 1989-12-13 Ciba-Geigy Ag Lubricant composition
EP0496486A1 (en) * 1991-01-11 1992-07-29 Mobil Oil Corporation Lubricant compositions
US5236610A (en) * 1992-02-03 1993-08-17 The United States Of America As Represented By The Secretary Of The Commerce Stable high temperature liquid lubricant blends and antioxidant additives for use therewith

Also Published As

Publication number Publication date
WO1996012780A2 (en) 1996-05-02

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