Disclosed is a method for reducing corrosion in a hybrid engine. The method includes the steps of lubricating a hybrid engine with a lubricating oil composition having a major amount of an oil of lubricating viscosity; a minor amount of a salicylate detergent derived from an isomerized normal alpha olefin; and a minor amount of a dispersant.

Disclosed is a method for reducing corrosion in a hybrid engine. The method includes the steps of lubricating a hybrid engine with a lubricating oil composition having a major amount of an oil of lubricating viscosity; a minor amount of a salicylate detergent derived from an isomerized normal alpha olefin; and a minor amount of a dispersant.

A lubricant composition and method for improving engine performance using a renewable base oil composition comprising hydrocarbon mixtures and a lubricant additive having a sulfur content of up to about 0.4 wt. % and a sulphated ash content of up to about 0.5 wt. % is described herein.

A transformer oil basestock is disclosed that includes at least 99 wt % of naphthenes and paraffins, based on the total weight of the transformer oil basestock, wherein the weight ratio of naphthenes to paraffins is at least 1, as measured by GC-MS, and wherein the paraffins consist essentially of isoparaffins, as determined by GC-FID. In addition, a transformer oil composition is disclosed that includes the transformer oil basestock, an anti-gassing agent and an antioxidant.

Disclosed is a method for maintaining emulsion stability in a hybrid engine. The method involves lubricating and operating the hybrid engine with a lubricating oil composition having a major amount of an oil of lubricating viscosity; minor amount of a magnesium containing detergent, and a minor amount of a borated dispersant.

An oxyalkylated branched aliphatic compound produced by oxyalkylating a branched aliphatic compound having 12 or more carbon atoms in which the branched aliphatic compound having 12 or more carbon atoms is grafted with a polyether via a crosslinking reaction, wherein the polyether is a polymer of ethylene oxide, propylene oxide, butylene oxide, and combinations thereof, may be useful as an inverting aid for increasing the dissolution rate of a latex-based drag reducing agent in a liquid hydrocarbon.

Disclosed herein are lubricant compositions containing 75-99% by weight of a base oil that includes one or more branched aliphatic compounds having the following formula: R.sub.1R.sub.2HC—CH.sub.2—CHR.sub.3R.sub.4 (I) wherein R.sub.1 and R.sub.3 are independently selected from alkyl groups having 8 to 26 carbon atoms, and R.sub.2 and R.sub.4 are independently selected from the group consisting of H and alkyl groups having 5 to 7 carbon atoms, with a proviso that at least one of R.sub.2 and R.sub.4 is not hydrogen. The alkyl groups are substituted or unsubstituted, or branched or unbranched; R.sub.1 and R.sub.3 may be the same or different; and the total carbon content of the branched aliphatic compound of formula (I) is in the range of 26 to 66. The lubricant compositions also include an effective amount of one or more additives. Also, disclosed herein are processes for making such compositions and their uses in pharmaceutical and personal care products.

A lubricant composition of an oil of lubricating viscosity, a grafted copolymer viscosity modifier that is an ashless condensation reaction product of an olefin polymer, having a number average molecular weight of about 1000 to about 10,000, comprising carboxylic acid or equivalent functionality grafted onto the polymer backbone, with a monoamine or a polyamine often having a single primary amino group, which exhibits good dispersancy and viscometric performance in a driveline device.

The present invention relates to a polyalphaolefin having a uniform structure and a method of preparing the same, and more particularly to a method of preparing polyalphaolefin having a uniform comb-like structure by minimizing the formation of short chain branches, which deteriorate the properties of lubricant base oil, using a homogeneous single-active-site metallocene catalyst, an organometallic compound cocatalyst and an organoboron compound promoter.

An oxyalkylated branched aliphatic compound produced by oxyalkylating a branched aliphatic compound having 12 or more carbon atoms in which the branched aliphatic compound having 12 or more carbon atoms is grafted with a polyether via a crosslinking reaction, wherein the polyether is a polymer of ethylene oxide, propylene oxide, butylene oxide, and combinations thereof, may be useful as an inverting aid for increasing the dissolution rate of a latex-based drag reducing agent in a liquid hydrocarbon.