..BE........FRGB................................................................J0731159EUROPEAN PATENT APPLICATIONA319970521EP96301587.019960307enenen399783 19950307US400156 19950307US19970521199721199609111996376 6C 10M 159/20 A 6C 10M 159/22 B 6C 10M 159/24 B 6C 10L 1/18 B 6C 10L 1/24 B 6C 10M 159/20 J 6C 10M 159:20 J 6C 10M 159:22 J 6C 10M 159:22 J 6C 10M 159:24 J 6C 10M 159:24 J 6C 10N 10:02 Z 6C 10N 10:04 Z 6C 10N 30:04 Z 6C 10N 40:25 Z // (C10M159/20, 159:20, 159:22, 159:22, 159:24, 159:24), C10N10:02, C10N10:04, C10N30:04, C10N40:25deÜberbasische Litium-Salzschmiermittelzusätze und Verfahren zu deren HerstellungenOverbased lithium salt lubricant additives and production thereoffrSels de lithium surbasiques additifs pour lubrifiant et procédé de leurs productionETHYL CORPORATION00209321N.71111 TAC330 South Fourth StreetRichmond, Virginia 23219-4304USLoop, John G.1153 Tiller's Ridge DriveRichmond, Virginia 23235USWatson, Elizabeth D.2329 Hanover AvenueRichmond, Virginia 23220USValcho, Joseph J.3733 Glades End LaneRichmond, Virginia 23233USPerozzi, Edmund F.11439 Old Mountain RoadGlen Allen, Virginia 23060USPassut, Charles A.2510 Chartstone DriveMidlothian, Virginia 23113USCresswell, Thomas Anthony00050352J.A. KEMP & CO. 14 South Square Gray's InnLondon WC1R 5LXGBBEFRGB19970521199721

A lubricant additive concentrate which comprises a base oil of lubricating viscosity and:

(a) at least one non-lithium oil-soluble overbased alkali or alkaline earth metal-containing overbased detergent; and
(b) at least one oil-soluble overbased lithium salt detergent.