LUBRICANT BASE OILS AND LUBRICANT COMPOSITIONS AND METHOD FOR MAKING THEM
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United States of America Patent
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Issued Date -
Dec 23, 2010
app pub date -
Feb 18, 2008
filing date -
Feb 21, 2007
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Abandoned
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Abstract
A liquid lubricant base oil composition comprising (i) a base stock comprising at least 95% by weight saturated hydrocarbons such as for example a Group II base stock, a Group III base stock and/or a base stock derived from Fischer-Tropsch synthesised, waxy, paraffinic hydrocarbon material and (ii) 0.2 to 30% by weight of an aromatic extract which has a dimethyl sulphoxide extractable polycyclic aromatics content of less than 3 weight % may be made by blending the components together and may be used with one or more additives in a lubricant composition which may be used in applications such as marine engine lubricants.
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