Patent application number | Description | Published |
20080207475 | High viscosity novel base stock lubricant viscosity blends - A lubricant formulation and method of blending a lubricant formulation is disclosed. The lubricant formulation comprises at least two base stocks. The first base stock comprises a viscosity greater than 135 cSt, Kv 100° C. and a tight molecular weight distribution as a function of viscosity. The second base stock comprises a viscosity less than 60 cSt, Kv 100° C. The formulation also comprises a polyol ester. The lubricant formulation provides favorable properties. | 08-28-2008 |
20100048438 | Low Sulfur and Low Metal Additive Formulations for High Performance Industrial Oils - An additive package, lubricant formulation with the additive package and method of improving gear lubricant properties with the additive package are disclosed. The additive package comprises at least one antiwear additive, at least one antioxidant additive, at least one rust inhibitor additive, at least one metal passivator additive, at least one demulsifier additive, at least one defoamant additive wherein the composition has less than 3.5% phosphorous, less than 1.7% ppm nitrogen, less than 1000 ppm sulfur, less than 100 ppm metals and a TAN of less than 1. | 02-25-2010 |
20100105585 | Low sulfur and ashless formulations for high performance industrial oils - An additive package, lubricant formulation with the additive package and method of improving gear lubricant properties with the additive package are disclosed. The additive package comprises at least one antiwear additive, at least one antioxidant additive, at least one rust inhibitor additive, at least one metal passivator additive, at least one defoamant additive wherein the composition has less than 3.5% phosphorous, less than 1.7% ppm nitrogen, less than 1000 ppm sulfur, less than 100 ppm metals and a TAN of less than 30. | 04-29-2010 |
20110082061 | ALKYLATED NAPHTYLENE BASE STOCK LUBRICANT FORMULATIONS - In one embodiment a novel lubricant is disclosed. The lubricant comprises an alkylated naphthalene base stock with a viscosity of at least 2 cSt and less than 22 cSt kv100° C., the alkylated naphthalene base stock is greater than 55 weight percent of the lubricant, a PAO base stock with at least 4 cSt and less than 250 cSt kv100° C., the PAO base stock is at least 2 and less than 40 weight percent of the lubricant, at least 0.5 and less than 1.5 weight percent of the lubricant is an amine antioxidant additive, at least 0.5 and less than 1.5 weight percent of the lubricant is a defoamant additive, at least 0.1 and less than 0.4 weight percent of the lubricant is an alkylated rust inhibitor additive, and the lubricant has a viscosity of at least 4 cSt and less than 10 cSt kv100° C., less than 10 ppm metals, less than 100 ppm sulfur, and a VI greater than 70. | 04-07-2011 |
20110082063 | Novel Base Stock Lubricant Blends - A method of improving air release is disclosed. The method comprises obtaining a lubricant comprising two base stocks. The first base stock comprises a viscosity greater than 100 cSt, Kv100° C. The second base stock comprises a viscosity less than 10 cSt, Kv100° C. In addition, a lubricant formulation and method of blending a lubricant formulation is also disclosed. The lubricant formulation comprises at least two base stocks. At least 5 percent and no more than 90 percent of a first base stock comprising oil with a viscosity greater than 300 cSt, Kv100° C. At least 5 percent and no more than 90 percent of a second base stock comprising oil with a viscosity less than 10 cSt, Kv100° C. | 04-07-2011 |
20110136714 | High Viscosity Novel Base Stock Lubricant Viscosity Blends - A lubricant formulation and method of blending a lubricant formulation is disclosed. The lubricant formulation comprises at least two base stocks. The first base stock comprises a viscosity greater than 135 cSt, Kv100° C. and a tight molecular weight distribution as a function of viscosity. The second base stock comprises a viscosity less than 60 cSt, Kv100° C. The formulation also comprises a polyol ester. The lubricant formulation provides favorable properties. | 06-09-2011 |
20120302473 | OIL-IN-OIL COMPOSITIONS AND METHODS OF MAKING - This invention is directed to a lubricant composition that is comprised of a continuous phase and a discontinuous phase, i.e., a two phase lubricant composition. The continuous phase and the discontinuous phase of the lubricant of this invention are oil or oil type compositions that are essentially insoluble in one another. The lubricant composition is comprised of a continuous phase base oil that is comprised of a low viscosity Group II, III, IV or GTL base stock or a blend of at least two of the Group II, III, IV and GTL base stocks, optionally including a low viscosity Group V base stock, with the continuous phase base oil having, independently, a viscosity of from 1 to 100 cSt at 100° C. The lubricant composition is further comprised of a discontinuous phase that is comprised of an ester composition having a mean average droplet size of from 0.01 microns to 20 microns, in which the ester composition is comprised of an ester compound having no ether linkages. | 11-29-2012 |
20120302478 | METHOD FOR PRODUCING A TWO PHASE LUBRICANT COMPOSITION - This invention provides a method for producing a lubricant composition that is comprised of a continuous phase and a discontinuous phase. The method involves mixing together high viscosity ester, ether or combination thereof, and polar diluent or solvent, to produce a solution. The solution is then added to a low viscosity Group IV base oil to produce a discontinuous phase dispersed throughout a continuous phase. | 11-29-2012 |
20120316094 | GEAR OIL COMPOSITIONS - A novel lubricant composition is disclosed. In one embodiment the lubricant composition comprises in admixture: a first base stock component comprising one or more base stocks each having a viscosity of at least 40 cSt, Kv100° C. and a molecular weight distribution (MWD) as a function of viscosity at least 10 percent less than algorithm: MWD=0.2223+1.0232*log (Kv at 100° C. in cSt); and a second base stock component comprising one or more base stocks each having a viscosity less than 10 cSt, Kv100° C. | 12-13-2012 |
20120322705 | LUBRICANT FORMULATION WITH HIGH OXIDATION PERFORMANCE - A Group IV/Group V lubricating composition providing improved antioxidation performance comprises from 5 wt. % to 40 wt. % of a Group V base oil component, such as alkylated naphthalene, at least 30 wt. % of a Group IV base oil component, such as one or more polyalphaolefin base stocks, and from 0.25 wt. % to 1.5 wt. % of a trithiophosphate-containing compound. The trithiophosphate-containing compound is preferably C | 12-20-2012 |
20130184191 | GEAR OIL COMPOSITIONS - A novel lubricant composition is disclosed. In one embodiment the lubricant composition comprises in admixture: a first base stock component comprising one or more base stocks each having a viscosity of at least 40 cSt, Kv100° C. and a molecular weight distribution (MWD) as a function of viscosity at least 10 percent less than algorithm: MWD=0.2223+1.0232*log (Kv at 100° C. in cSt); and a second base stock component comprising at least one Poly-Alpha-Olefin (PAO) base stock and at least one Group III base stock, each having a viscosity less than 110 cSt, Kv100° C. | 07-18-2013 |
20130252863 | NOVEL ANTIOXIDANT COMBINATION AND SYNTHETIC BASE OILS CONTAINING THE SAME - Disclosed are compositions of a major amount of alkylated aromatics compounds, in particular alkylated naphthalene and alkylated benzene, optionally combined with API Group II, Group III, Group IV and/or ethylene copolymers, showing improved thermo-oxidation performance when containing an additive combination including an alkylated or non-alkylated diarylamine and a sulfur-containing metal passivator. Particularly, the lubricating compositions include at least 55 wt % of a base oil selected from the group consisting of alkylated naphthalene, alkylated benzene and combinations thereof, and from 0 wt % to 45 wt % of another base oil component. The ratio of amine component to sulfur component in the additive combination is from 1:1 to 20:1. The compositions contain an amount of base oil other than alkylated naphthalene, alkylated benzene and API Group II, Group III, Group IV and/or ethylene copolymers of less than 10 wt % based on the total weight of the components comprising the lubricating composition. | 09-26-2013 |