Patent ID: 7833955

Claim:
A control release composition comprising: an additive gel wherein the gel consists of: 1) an overbased detergent having a total base number (TBN)≧13 or mixtures thereof; wherein the gel is free of ashless dispersants; 2) an acid component selected from the group consisting of acid formed from a polymer containing acidic groups in the backbone, a polyacidic compound, maleic anhydride styrene copolymers, or mixtures thereof; 3) a viscosity modifier; and 4) optionally one or more other lubricant additives selected from the group consisting of the viscosity modifier(s), friction modifier(s), ashless detergent(s), cloud point depressant(s), pour point depressant(s), demulsifier(s), flow improver(s), anti-static agent(s), ashless antioxidant(s), antifoam(s), corrosion/rust inhibitor(s), extreme pressure/antiwear agent(s), seal swell agent(s), lubricity aid(s), antimisting agent(s), a low viscosity material, a gel-breaking surfactant or mixtures thereof.