Abstract: A polymeric lubricating oil additive containing pendant perfluoroaliphatic ester groups that behave as a fuel economy enhancer when added to lubricating oil compositions. The additive is prepared by the process which comprises reacting a perfluoroaliphatic alcohol with an alkenyl succinic acid anhydride to form a alakenyl succinic mono and/or diester in the presence of an acid catalyst.

Abstract: A lubricant/fuel additive which is the reaction product of polyoxyalkylene dicarboxylic acids and hydrocarbyl-substituted mono- and bis-succinimides of polyamines.

Abstract: A diesel fuel composition comprising:(a) a major portion of a diesel fuel, and(b) a minor amount, as a diesel fuel injector detergent additive, of a Mannich coupled product of bis-polyisobutylene succinimide of an amine, prepared by:(i) reacting an alkenyl succinimide acid anhydride with an amine to form a bis-succinimide;(ii) treating the bis-succinimide with nonylphenol in the presence of an aldehyde to form a Mannich phenol coupled bis-succinimide product; and(iii) recovering the product Mannich phenol coupled bis-succinimide.

Abstract: A lubricant additive that imparts enhanced dispersancy and antioxidancy has been prepared by reacting a copolymer or terpolymer with an acrylating agent followed by treatment with a dialiphatic or aromatic phosphate. The copolymer is prepared from ethylene and at least one (C.sub.3 -C.sub.10) alpha-monoolefin and, optionally, a polyene selected from non-conjugated dienes and trienes comprising from about 15 to 80 mole percent of ethylene, from about 20 to 85 mole percent of said (C.sub.3 -C.sub.10) alpha-monoolefin and from about 0 to 15 mole percent of said polyene having a number average molecular weight ranging from about 5,000 to about 500,000.

Abstract: A gasoline composition comprising:(a) a major portion of a gasoline fuel, and(b) a minor amount, as a gasoline detergent additive, of a Mannich coupled product of bis-polyisobutylene succinimide of an amine, prepared by:(i) reacting an alkenyl succinimide acid anhydride with an amine to form a bis-succinimide;(ii) treating the bis-succinimide with nonylphenol in the presence of an aldehyde to form a Mannich phenol coupled bis-succinimide product; and(iii) recovering the product Mannich phenol coupled bis-succinimide.

Abstract: Dispersant viscosity index improvers for lubricating oils contain an EPR or EPT polymer onto which has been graft polymerized with isocyanatoethyl methacrylate and thereafter reacted with N-phenyl-p-phenylene diamine.

Abstract: An additive composition containing pendant perfluoroaliphatic urethanes within a copolymer prepared from ethylene and propylene or an ethylene-propylene terpolymer containing non-conjugated diene or triene comprising from about 15 to 80 mole percent of ethylene, 85 to 15 mole percent propylene and from about 20 to 85 mole percent of the (C.sub.3 -C.sub.10) alphamonoolefin and having a number average molecular weight ranging from about 5,000 to 500,000 which has been reacted with at least one isocyanoacrylate agent to form one or more acrylating reaction intermediates characterized by having a pendant isocyano function within their structure and reacting said reaction intermediate with a perfluoroaliphatic alcohol and a lubricating oil composition containing same are provided.

Abstract: An antioxidant bound VII polymethacrylate lubricant additive composition prepared by:(a) combining an antioxidant monomer (C.sub.1 -C.sub.20) alkyl monomers in an oil solvent to provide an intermediate reaction mixture;(b) stirring and purging the reaction mixture by nitrogen ebullotion for about 25-35 minutes at about 200 ml/min;(c) reducing nitrogen ebullotion to 15-25 ml/min and heating the purged mixture to about 70.degree.-85.degree. C.;(d) adding both a mercaptan and a radical polymerization catalyst to the heated mixture and then after about 2.0 hours adding an additional amount of the catalyst to said heated mixture, and then heating said heated mixture for an additional 2.0 hours;(e) increasing the temperature of the heated mixture to about 95.degree.-105.degree. C. and maintaining the mixture at such temperature for a sufficient period of time to remove any excess of the polymerization catalyst; and(f) recovering the product polymethacrylate.

Abstract: A dispersant/antioxidant bound VII polymethacrylate lubricant additive composition prepared by:(a) reacting a methacrylamide with an amino-alkyl, methacrylamide, an alkyl methacrylate and an oil solvent to provide a intermediate reaction mixture;(b) stirring and purging the reaction mixture;(c) heating the purged mixture and adding a mercaptan and a radical polymerization catalyst to the purged mixture;(d) heating the mixture to a sufficiently high temperature to remove any excess of the polynmerization catalyst therefrom; and(e) recovering the product polymethacrylate.

Abstract: An improvement is provided in a process for making a calcium sulfonate wherein a calcium base/calcium sulfonate mixture is mixed, stirred, reacted with CO.sub.2, and filtered to produce the sulfonate product. The improvement comprises stirring the calcium base/calcium sulfonate mixture at variable speeds over a sufficient length of time, whereby the product's filterability is enhanced and viscosity reduced.

Abstract: An organic carbonate such as dimethyl carbonate is prepared by reacting an alcohol such as methanol with carbon monoxide and oxygen in the presence of a catalyst system containing Cu(OMe)Cl as catalyst and a urea or a mixture of ureas as a cosolvent for the catalyst system.

Abstract: A stable middle distillate fuel-oil composition which comprises(a) a major portion of a middle distillate fuel-oil; and(b) a minor amount, as storage stabilizing additive, of a N-2-pyridyl succinimide of a copolymer and maleic anhydride graft.

Abstract: A diesel fuel and injector cleaning additive which comprises a solvent such as a (C.sub.3 -C.sub.5) alcohol and an amino alkylene-substituted asparagine.

Abstract: A method of preparing a calcium sulfonate having a TBN of 500 where the method comprises reacting CaO, Ca(OH).sub.2 and H.sub.2 O, and synthetic and natural sulfonates in certain molar ratios, respectively, for a sufficient length of time to produce the overbased calcium sulfonate.

Abstract: A method of preparing a amorphous metal sulfonate detergent for lubricants. The sulfonate detergent is prepared by:(a) mixing, stirring and heating a diluted metal sulfonate with Ca(OH).sub.2 ;(b) adding to the stirred, heated sulfonate mixture a sufficient amount of CO.sub.2 to heat with all the Ca(OH).sub.2 added;(c) adding a zeolite to the mixture partway through the addition of CO.sub.2 to remove a certain percentage of the total water in said mixture;(d) filtering the water-removed mixture to separate an amorphous metal sulfonate product; and(e) recovering the amorphous overbased metal sulfonate product.

Abstract: An oxidation and corrosion resistant diesel engine lubricant composition, particularly useful in marine and railway diesel engines, comprises a major amount of a base hydrocarbon lubricating oil and from 0.1-5.0 weight percent of a reaction product additive which is the reaction product of a dibasic acid anhydride, a polyoxyalkylene diamine, and a heterocyclic azole.

Abstract: A polymeric lubricating oil additive containing pendant perfluoroaliphatic urethane units that behaves as a VI Improver and a fuel economy enhancer when added to lubricating oil compositions. The polymeric substrate may be a copolymer of 15-85 mole % ethylene and propylene or a terpolymer of 15-85 mole % ethylene, propylene, and 20-80 mole % of a non-conjugated diene or triene (C.sub.3 -C.sub.10) alpha olefin. The copolymer or terpolymer substrate has a molecular weight range of about 5,000 to about 500,000. A graft copolymer or terpolymer containing pendant isocyanate groups is prepared by reacting the ethylene propylene co- or terpolymer with an acrylating agent. Post-reacting the copolymer or terpolymer containing the pendant isocyanate group with a perfluoroaliphatic alcohol generates the additive.

Abstract: A lubricating oil composition having improved antioxidancy, dispersancy and Viton seal compatibility. The antioxidant-dispersant being prepared by coupling partially acylated succinimides with an organic diacid, followed by further treatment with an unsaturated fatty acid, and then reaction of the nitroso group of an antioxidant aromatic amine with the unsaturated fatty acid to provide the lubricant product.

Abstract: A process for preparing a borated, overbased metal detergent additive for lubricants which comprises dissolving a metal salt in a hydrocarbon solvent, adding a metal base and a polar solvent, treating with an acid gas, filtering the mixture to form a filtrate to which boric acid is added, heating the boric acid/filtrate mixture, stripping the cooled boric acid/filtrate reaction mixture and recovering the borated metal detergent additive therefrom.

Abstract: A process for preparing a borated, overbased metal detergent additive for lubricants which comprises borating an overbased metal salt in the presence of a protic solvent, distilling the borated metal salt mixture to remove protic solvent and water therefrom, cooling the distilled borated mixture, filtering the cooled borated mixture, stripping the cooled filtrate and recovering the borated metal detergent additive.