US Patent RE39648 Crankcase lubricant for heavy duty diesel oil
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Patent Inventor Names
Andrew James Dalziel Ritchie0
Edward Francis Outten0
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Patent abstract
Thus, the instant invention is directed toward an oil for diesel engines comprising an admixture of (A) a major amount of an oil of lubricating viscosity, (B) at least 4 mass % dispersant, (C) at least 0.3 mass % of a metal phenate, (D) less than 0.1 mass % friction modifier, (E) less than 0.3 mass % of ashless sulfurized phenols and, (F) less than 0.12 mass % neutral calcium sulfonate.
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US Patent RE039648 Crankcase lubricant for heavy duty diesel oil US Patent RE39648 Crankcase lubricant for heavy duty diesel oil
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Patent Number
RE039648
Patent Number
RE39648
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Official Website
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US Patent RE039648 Crankcase lubricant for heavy duty diesel oil
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Is a
Patent jurisdiction
Patent number
RE039648
Date of patent
May 22, 2007
Patent application number
09911879
Date Filed
July 24, 2001
Patent primary examiner
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