Patent ID: 7884058

Claim:
A stable colloidal suspension comprising: (a) a dispersed phase comprising a major amount of one or more dispersed hydrated polymeric compounds selected from the group consisting of polymolybdates, polytungstates, polyvanadates, polyniobates, polytantalates, polyuranates, and mixtures thereof; and, (b) an oil phase comprising one or more dispersing agents selected from the group consisting of polyalkylene succinic anhydrides, non-nitrogen containing derivatives of a polyalkylene succinic anhydride selected from the group consisting of a polyalkylene succinic acid, a Group I and/or Group II mono- or di-salt of a polyalkylene succinic acid, a polyalkylene succinate ester formed by the reaction of a polyalkylene succinic anhydride or an acid chloride with an alcohol and mixtures thereof, and mixtures thereof and a diluent oil, wherein the stable colloidal suspension is substantially clear.