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| Number | Title | Issue Date |
| 8415283 | Lubricating oil composition for diesel engine The invention provides lubricant compositions for diesel engines having a regenerative DPF, which prolong life of the DPF by inhibiting accumulation of components depositable on DPF inner walls, diesel engine systems having a regenerative DPF with prolonged life, an... | 04/09/2013 |
| 8383562 | System oil formulation for marine two-stroke engines In one aspect of the present invention, a marine system oil composition is provided for lubrication of mechanical components in marine engines, for example, two-stroke, cross-head marine diesel engines and methods/additives for using the marine system oil compositio... | 02/26/2013 |
| 8076276 | Marine engine lubrication A trunk piston marine engine lubricating oil composition for a medium-speed compression-ignited marine engine comprises, in a major amount, an oil of lubricating viscosity containing 50 mass % or more of a Group II basestock, and, in respective minor amounts, (A) an... | 12/13/2011 |
| 8071517 | Marine engine lubrication A trunk piston marine engine lubricating oil composition for a medium-speed compression-ignited marine engine comprises, in a major amount, an oil of lubricating viscosity containing 50 mass % or more of a Group II basestock, and, in respective minor amounts, (A) an... | 12/06/2011 |
| 8067348 | Marine engine lubrication A trunk piston marine engine lubricating oil composition for a medium-speed compression-ignited marine engine comprises, in a major amount, an oil of lubricating viscosity containing 50 mass % or more of a Group II basestock, and, in respective minor amounts, (A) an... | 11/29/2011 |
| 8030258 | Overbased alkaline earth metal alkylhydroxybenzoates having low crude sediment A process for preparing an overbased alkaline earth metal alkylhydroxybenzoate, said process comprising overbasing an alkaline earth metal alkylhydroxybenzoate or a mixture of alkaline earth metal alkylhydroxybenzoate and up to 50 mole % of alkylphenol, based on the... | 10/04/2011 |
| 8012918 | Detergent An overbased metal hydrocarbyl-substituted hydroxybenzoate detergent having a basicity index of less than 2 and a degree of carbonation of 80% or greater is disclosed. The overbased metal hydrocarbyl-substituted hydroxybenzoate detergent reduces asphaltene precipita... | 09/06/2011 |
| 7960324 | Additive composition having low temperature viscosity corrosion and detergent properties An additive composition providing improved low temperature viscosity, corrosion and detergent properties when used in lubricating oils for internal combustion engines is presented. The additive composition comprises an unsulfurized carboxylate detergent-dispersant a... | 06/14/2011 |
| 7956022 | Low sulfur metal detergent-dispersants A process for preparing alkylhydroxybenzoate detergent-dispersant additives having low sulfur content and high TBN is described. The alkali metal alkylhydroxylbenzoate, alkaline earth metal alkylhydroxybenzoate and overbased alkaline earth metal alkylhydroxybenzoate... | 06/07/2011 |
| 7951760 | Overbased alkali metal alkylhydroxybenzoates having low crude sediment A process for preparing an overbased alkali metal alkylhydroxybenzoate, said process comprising overbasing an alkali metal alkylhydroxybenzoate or a mixture of alkali metal alkylhydroxybenzoate and up to 50 mole % of alkylphenol, based on the total mixture of alkylh... | 05/31/2011 |
| 7935664 | Lubricating oil composition A lubricating oil composition comprising oil of lubricating viscosity and an overbased metal hydrocarbyl-substituted hydroxybenzoate detergent manufactured in the presence of an amine- or ester-based friction modifier. ... | 05/03/2011 |
| 7704930 | Mixed TBN detergents and lubricating oil compositions containing such detergents The present invention concerns a detergent additive for lubricating oil compositions comprising at least two of low, medium, and high TBN detergents. Preferably the detergent is a calcium salicylate. The present invention also concerns lubricating oil compositions c... | 04/27/2010 |
| 7691796 | Method of improving the compatibility of an overbased detergent with other additives in a lubricating oil composition A method of improving the compatibility of an overbased detergent with other additives in a lubricating oil composition. The method includes the step of adding an oil-soluble, hydrocarbyl sulphonic acid to the detergent. ... | 04/06/2010 |
| 7687444 | Lubricating oil composition having improved oxidation stability at high temperatures A lubricating oil composition having a TBN in the range of 5 to 55 mg KOH/g and containing a major amount of a base oil of lubricating viscosity and a) 0.19 to 2.10 wt %, based on the total amount of the lubricating oil composition... | 03/30/2010 |
| 7629302 | Lubricating oil additive and lubricating oil composition A lubricating oil additive and a lubricating oil composition wherein no precipitation is generated to exhibit a good storage stability even if a combination of a salicylate detergent and another metal detergent is used is provided by rendering the additive and compo... | 12/08/2009 |
| 7563752 | Lubricating oil compositions Disclosed are lubricating oil compositions comprising a lubricating base oil, (A) a specific alkali metal or alkaline earth metal salicylate and/or an overbased or basic salt thereof in an amount of 0.005 to 5 percent by mass in terms of metal, (B) a phosphorus-cont... | 07/21/2009 |
| 7563751 | Lubricating oil composition The present invention provides a lubricating oil composition, comprising: a lubricant base oil having a sulfur content adjusted to 0.1% or less by mass; and (A) one or more alkali metal or alkaline earth metal salicylates in which the ratio of a salicylate constitue... | 07/21/2009 |
| 7456136 | Linear compounds containing phenolic and salicylic units A linear compound and a metal salt or boron-containing metal salt thereof contains one or more carboxyl-containing phenol units or derivatives thereof and one or more on average at least C18 hydrocarbyl-substituted hydroxyaromatic units or derivatives the... | 11/25/2008 |
| 7419941 | Lubricant oils and greases containing nanoparticles Lubricant oil compositions containing a base oil and an additive package comprising one or more wear-resistant additives. The wear-resistant additives can be (a) a Group 1a alkali metal carbonate, a Group 2a alkaline earth metal carbonate, or a mixture thereof; (b) ... | 09/02/2008 |
| 7417012 | Slow release lubricant additives gel A lubricant additive gel formed by the gellation of two or more lubricant additives for the slow release of the additive components into a fluid. The lubricant additive gel slowly releases into its component lubricant additives when contacted with the fluid such as ... | 08/26/2008 |
| 7407920 | Overbased calcium salicylate greases A process and composition for forming a non-Newtonian oil composition in the form of a grease comprising an overbased calcium salicylate and solid particles of colloidally dispersed calcium carbonate in the form of calcite is disclosed wherein the process comprises ... | 08/05/2008 |
| 7384896 | Controlled release of additive gel(s) for functional fluids In accordance with the present invention, it has been discovered that additive gels can provide additives to a functional fluid over time. In accordance with the present invention it has been discovered that an additive gel comprising ... | 06/10/2008 |
| 7371710 | Lubricating oil composition Lubricating oil compositions particularly suitable for automatic transmissions comprising a lubricating base oil, (A) a boron-containing ashless dispersant in an amount of 0.02 to 0.1 percent by mass in terms of boron, based on the total mass of the composition, (B)... | 05/13/2008 |
| 7358217 | Quenching oil compositions Quenching oil compositions comprising (1) an oil having kinematic viscosity (ASTM Test Method D-445) at 40° C. ranging from about 4 to about 45 mm2sec−1 (about 40 to about 210 Saybolt Universal Seconds (SUS)) and having a saturated content from about 80% to about... | 04/15/2008 |
| 7316992 | Method and system for modifying a used hydrocarbon fluid to create a cylinder oil A method and system of creating a cylinder oil having a target TBN ranging from 40 to 70 for use in a two-stroke en line. Fresh system oil having a TBN less than 10 is provided. The fresh system oil is used in the two-stroke engine to product partially used system o... | 01/08/2008 |
| 7309681 | Ashless lubricating oil composition with long life An ashless natural gas engine lubricating composition which has enhanced resistance to oxidation, nitration and viscosity increase employs as additives in a lubricating oil basestock a combination of phenolic and alkylthiocarbamoyl antioxidants and an ashless phosph... | 12/18/2007 |
| 7256163 | Grease composition The grease composition of the present invention contains, in a lubricant base oil, 0.01 to 10% by mass of a fatty acid salt, 0.01 to 10% by mass of carbonate, 2 to 30% by mass of a thickener, and 0.1 to 20% by mass of a sulfur type extreme-pressure agent on the basi... | 08/14/2007 |
| 7185663 | Methods and compositions for on-line gas turbine cleaning Methods and compositions for on-line cleaning of internal surfaces of selected sections of a hydrocarbon fuel burning gas turbine and associated heat recovery equipment, during operation. Cleaning solutions containing graphite and/or molybdenum-based particles and o... | 03/06/2007 |
| 7183241 | Long life lubricating oil composition with very low phosphorus content A lubricating oil with very low phosphorus content, and having long life as evidenced by a reduction in viscosity increase, oxidation and nitration, comprises a major amount of a base oil of lubricating viscosity and a minor amount of a mixture of neutral and overba... | 02/27/2007 |
| 7166562 | Long life gas engine oil and additive system A gas engine oil of enhanced life as evidenced by a reduction in viscosity increase, oxidation, nitration. TAN increase, and TBN depletion comprises a major amount of a base oil of lubricating viscosity and at minor amount of a phenolic anti oxidant and a viscosity ... | 01/23/2007 |
| 7163911 | Carboxylated detergent-dispersant additive for lubricating oils The present invention provides a novel unsulfurized, carboxylate-containing additive for lubricating oils, comprising a mixture of alkaline earth metal salts (hydrocarbyl phenate/hydrocarbyl salicylate) and a reduced amount of unreacted hydrocarbyl phenols, as well ... | 01/16/2007 |
| 7163912 | Lubricant compositions containing an overbased amorphous alkaline earth metal salt as a metal protectant Lubricant compositions are made containing, as a metal protectant additive, an overbased amorphous alkaline earth metal salt of fatty acid. The additive is added in either a liquid or powdered form to the base oil in the composition. The overbased additive in the lu... | 01/16/2007 |
| 7148186 | Lubricant oil composition for diesel engines (LAW964) The present invention provides a lubricant oil composition, having enhanced wear-preventive characteristics for a diesel engine operating with large quantities of soot in the oil (soot content: 0.2 to 4.0 wt. %), and is especially suitable for a pressure-accumulatin... | 12/12/2006 |
| 7122508 | Methods and compositions for reducing wear in internal combustion engines lubricated with a low phosphorous content borate-containing lubricating oil Disclosed are methods and lubricant compositions for reducing wear in internal combustion engines lubricated with a low phosphorous content lubricating oil. The lubricant compositions of this invention comprise a synergistic combination of a dispersed, hydrated, alk... | 10/17/2006 |
| 7101830 | Gas engine lubricating oil composition A gas engine lubricating oil composition having a boron content of more than 95 ppm, the gas engine lubricating oil composition comprising: a major amount of a lubricating oil having a viscosity index of 80 to 120, and including at least 90 mass percent of saturates... | 09/05/2006 |
| 7097770 | Separation of plant oil triglyceride mixtures by solid bed adsorption A solid bed adsorptive process for separating a seed oil into two substantially pure triglyceride fractions. The process involves contacting a seed oil, such as castor oil, preferably as a concentrate, with an adsorbent in a bed, the adsorbent having a particle size... | 08/29/2006 |
| 7087557 | Metal-containing neutral and overbased salicylates based on styrenated salicylic acid A salicylate is disclosed, which has detergent and anti-oxidant properties, for use as a metal based detergent additive. An alkyl salicylic acid is derived from the alkylation of salicylic acid with styrene. The neutralization and subsequent overbasing of neutral sa... | 08/08/2006 |
| 7053027 | Lubricating oil compositions A trunk piston marine diesel engine lubricating oil composition is dispersant-free, has a TBN of 25 or greater, and comprises (A) an oil of lubricating viscosity, (B) an aromatic carboxylate as the sole overbased metal detergent, and ... | 05/30/2006 |
| 7045654 | Method for the alkylation of salicylic acid A process is disclosed for the production of alkyl salicylic acids wherein the process comprises reacting salicylic acid with an olefin having at least four carbon atoms at elevated temperature in the presence of a perfluoroalkylsulfonic acid, an alkylsulfonic acid,... | 05/16/2006 |
| 7009072 | Method for producing lubricant detergents The invention is a process for producing alkaline earth metal salicylates for use as lubricant detergents and to compositions prepared by the process. The process comprises two steps. Step 1 is the alkylation of salicylic acid is conducted using C14 or gr... | 03/07/2006 |
