Patent Number: 6,310,010

Title: High molecular weight dispersant compositions and their preparation

Abstract: Concentrates for lubricating oil compositions are prepared by mixing atelevated temperature: (i) at least one high molecular weight ashlessdispersant; (ii) at least one oil-soluble overbased metal detergent; and(iii) at least one surface-active agent comprising a low molecular weighthydroxyl or amine group.

Inventors: Higton; Gary (Oxford, GB), Emert; Jacob (Brooklyn, NY), Wilkinson; Robert A. (Newbury, GB), MacDonald; Isabel P. (East Hendred, GB), Van Driesen; Karl J. (North Brunswick, NJ), Rea; Salvatore (Franklin Square, NY), Stokes; James P. (Annandale, NJ), Ritchie; Andrew J. D. (Chatham, NJ)

Assignee:

International Classification:

Expiration Date: 10/32013