HYDROXYCHROMAN DERIVATIVES AS ENGINE OIL ANTIOXIDANTS

A lubricant and concentrate composition comprises a hydroxychroman derived antioxidant and a method for improving the performance of a lubricant composition, especially a lubricant composition for an internal combustion engine, comprising the use of a lubricant containing said antioxidant. L'in...

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Bibliographische Detailangaben
Hauptverfasser:	CRAWLEY, SETH L, CARRICK, VIRGINIA A
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL CHEMISTRY FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR LIQUEFIED PETROLEUM GAS LUBRICANTS LUBRICATING COMPOSITIONS METALLURGY NATURAL GAS PEAT PETROLEUM, GAS OR COKE INDUSTRIES SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Beschreibung
Zusammenfassung:	A lubricant and concentrate composition comprises a hydroxychroman derived antioxidant and a method for improving the performance of a lubricant composition, especially a lubricant composition for an internal combustion engine, comprising the use of a lubricant containing said antioxidant. L'invention concerne une composition lubrifiante et concentrée qui comprend un antioxydant dérivé d'hydroxychromane et un procédé pour améliorer la performance d'une composition lubrifiante, spécialement une composition lubrifiante pour un moteur à combustion interne, comprenant l'utilisation d'un lubrifiant contenant ledit antioxydant.