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| Number | Title | Issue Date |
| 8034753 | Lubricating oil composition A low SAPS lubricating oil composition exhibiting excellent piston cleanliness having up to 0.3 wt. % sulfur, up to 0.08 wt. % phosphorus, and a sulfated ash content up to 0.80 wt. % comprising an overbased alkali metal or alkaline earth metal alkyl salicylate deter... | 10/11/2011 |
| 8030255 | Lubricating oil composition The present invention provides lubricating oil compositions having excellent anti-wear properties and anti-fatigue properties as well as excellent low temperature fluidity, particularly suitable for automatic transmissions and/or continuously variable transmissions,... | 10/04/2011 |
| 7989406 | Additive for diesel particulate filter An additive to a fuel oil for a Diesel engine having a Diesel particulate filter (DPF), which comprises a molybdenum compound and having the function of improving the combustion property of a particulate matter (PM) trapped with DPF; a fuel oil comprising the additi... | 08/02/2011 |
| 7875577 | Diesel engine lubricating oil composition for large-bore two-stroke cross-head diesel engines A lubricating oil composition comprising a base oil of lubricating viscosity having a kinematic viscosity of 22 to 300 mm2/s at 40° C. and dissolved or dispersed therein the following additives in the following amounts based on a total amount of the lubr... | 01/25/2011 |
| 7838473 | Lubricating oil composition A lubricating oil composition of TBN 8-9 having up to 0.3 wt. % sulfur, up to 0.08 wt. % phosphorus, and a sulfated ash content up to 0.80 wt. %, comprising an overbased magnesium-containing lubricating oil detergent, and 2.5 to 4 wt. % of a nitrogen-containing ashl... | 11/23/2010 |
| 7803745 | Lubricant composition A lubricating oil composition of the present invention which contains an ether ashless friction modifier is applicable to a sliding surface having a low friction sliding member, is capable of imparting excellent low friction characteristics thereto and, in particula... | 09/28/2010 |
| 7799745 | 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 ... | 09/21/2010 |
| 7553801 | Automotive additive composition An automotive additive composition comprising an automotive additive ingredient and a matrix is described. The automotive additive ingredient may be a fuel additive ingredient such as a detergent. The matrix may comprise a gel composition, a solid water removal agen... | 06/30/2009 |
| 7439213 | Secondary and tertiary amines as friction modifiers for automatic transmission fluids A composition of a major amount of an oil of lubricating viscosity; a secondary or tertiary amine being represented by the formula R1R2NR3 wherein R1 and R2 are alkyl groups of at least 6 carbon atoms and R... | 10/21/2008 |
| 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 |
| 7399737 | Lube additives Lube formulations and concentrates are disclosed herein. The formulations comprise copolymers of ethylene and propylene. ... | 07/15/2008 |
| 7381691 | Friction modifiers for improved anti-shudder performance and high static friction in transmission fluids A fluid composition of (a) a friction modifier derived from the reaction of a carboxylic acid or a reactive equivalent thereof with an aminoalcohol, the friction modifier containing at least two hydrocarbyl groups; and (b) a dispersant other than a species of (a), p... | 06/03/2008 |
| 7368596 | Process for producing zinc dialkyldithiophosphates exhibiting improved seal compatibility properties In general terms, the present invention includes a process for producing a new zinc dialkyldithiophosphate (ZDDP) offering improved seal compatibility characteristics in engine and transmission oil packages. The present invention additionally includes zinc dialkyldi... | 05/06/2008 |
| 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 |
| 7291264 | Staged oil filter incorporating additive-releasing particles An improved oil conditioning filter, for use with an internal combustion engine, includes a mechanically active filter element and a chemically active filter element containing a beneficial additive therein. The beneficial additive is provided to extend the useful l... | 11/06/2007 |
| 7278904 | Method of abrading a workpiece A method of abrading a surface of a workpiece with a structured abrasive article in the presence of a liquid comprising water and at least one of a sulfonate or sulfate anionic surfactant. ... | 10/09/2007 |
| 7256161 | Process for making group II metal carbonated, overbased Mannich condensation products of alkylphenols This invention is directed to a novel process for making Group II metal carbonated, overbased Mannich condensation products of alkylphenols, which process uses ethylene carbonate as both a source of carbon dioxide and ethylene glycol. In particular, under the reacti... | 08/14/2007 |
| 7124729 | Additive-containing, dissolvable coating on engine part that contacts oil An engine part that contacts oil during engine operation has a coating layer that provides one or more oil additives into the oil during a desired period of engine use. The coating layer includes one or more oil additives that are incorporated into the oil over the ... | 10/24/2006 |
| 7124728 | Modification of lubricant properties in an operating all loss lubricating system A marine diesel engine system includes a diesel engine having a plurality of cylinders. The system also includes, proximate the engine, a primary engine lubricant and an additive selected from certain alkylamine-alkylphosphates, 500 TBN calcium sulfonate and mixture... | 10/24/2006 |
| 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 |
| 7081554 | Oxo process The Oxo Process that recycles its cobalt primarily as cobalt salt is improved by concentration of the cobalt salt solution from the demetalling section and the addition of a separation step for organic acid and water. This allows for a higher reuse of acid in the pr... | 07/25/2006 |
| 7081553 | Cobalt flash process The Cobalt Flash Process is modified by replacing formic acid with acetic acid as process acid. Efficiency using acetic acid as process acid is achieved by two improvements which may be added separately and independently: (1) separation of acetic acid and water from... | 07/25/2006 |
| 6967189 | Buffered lubricant for conveyor system A method of lubricating a moving surface is herein described wherein the lubricant composition contains a fatty acid, a neutralization agent, a pH buffer, and a carrier. Also described are compositions in both concentrate and dilute form. The compositions may also c... | 11/22/2005 |
| 6962895 | Lubricating compositions This invention relates to a lubricating composition comprising at least about 30% by weight at least one mineral oil, having a kinematic viscosity of less than about 8 cSt at 100° C., (A) from about 15% to about 40% by weight of at least one polymer, and (B) up to ... | 11/08/2005 |
| 6890890 | Lubricants with the combination of a molybdenum compound, a phosphorus compounds and dispersants This invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity, (A) an antiwear improving amount of at least one molybdenum containing composition, (B) at least one phosphorus antiwear or extreme pressure agent, and ... | 05/10/2005 |
| 6869919 | Lubricating oil compositions Soot induced kinematic viscosity increase of lubricating oil compositions for diesel engines equipped with EGR systems can be ameliorated by selection of viscosity modifier, lubricating oil flow improvers, detergents and/or dispersants. ... | 03/22/2005 |
| 6843916 | 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 ... | 01/18/2005 |
| 6828285 | Oil composition for heat treatment of a gear and gear treated by using the oil composition An oil composition for heat treatment of a gear which comprises mineral oil having a kinematic viscosity of 5 to 40 mm2/second at 100° C. as a base oil and, based on a total amount of the composition, 0.01 to 5% by weight of (a) a phosphoric acid ester c... | 12/07/2004 |
| 6815401 | Oil composition for heat treatment of a gear and gear treated by using the oil composition An oil composition for heat treatment of a gear which comprises mineral oil having a kinematic viscosity of 5 to 40 mm2/second at 100° C. as a base oil and, based on a total amount of the composition, 0.01 to 5% by weight of (a) a phosphoric acid ester c... | 11/09/2004 |
| 6790813 | Oil compositions for improved fuel economy Oil compositions and formulated crankcase engine oils demonstrate improved fuel economy performance when comprising an overbased sulfonate detergent having a total base number greater than about 450 and which contain at least one other additive which includes a succ... | 09/14/2004 |
| 6780209 | Partially dehydrated reaction product process for making same, and emulsion containing same The disclosed invention relates to a composition comprising a partially dehydrated product made by: (I) reacting (A) a hydrocarbyl substituted succinic acid or anhydride with (B) a polyol, a polyamine, a hydroxyamine, or a mixture of two or more thereof, to f... | 08/24/2004 |
| 6774092 | Additive composition for gearbox oil Disclosed is an additive composition that can be mixed with various types of basic oils to produce a lubricant that can meet the international standards of manual truck gearbox oils. A preferred embodiment includes various quantities of an isobutylene sulfide, zinc ... | 08/10/2004 |
| 6737387 | Dispersed hydrated potassium borate compositions having improved properties in lubricating oil compositions Disclosed are dispersed hydrated potassium borate compositions, as well as additive packages and finished oil compositions comprising the same. The dispersed hydrated potassium borate compositions of the invention exhibit low turbidity and the finished oil compositi... | 05/18/2004 |
| 6727207 | Rolling bearing The present invention is to provide a rolling bearing suitable for the use under a high temperature, high speed, high load and high vibration condition, having a good rust-preventive performance and the excellent flaking life without a hazard to a human body. A roll... | 04/27/2004 |
| 6720293 | Low viscosity lubricating oil compositions A low viscosity lubricating oil composition having a CCS viscosity less than 3500 mPa.s at −25° C. and having no more than 0.16 mass % of phosphorus which comprises a dispersant, and a detergent of calcium or magnesium or both; and optionally a zinc dihydrocarbyl... | 04/13/2004 |
| 6706672 | Engine lubricant using molybdenum dithiocarbamate as an antioxidant top treatment in high sulfur base stocks A composition comprising: a high-sulfur API Group I mineral oil base stock; a molybdenum dithiocarbamate in an amount suitable to provide 50 to about 600 ppm molybdenum to the composition; a succinimide dispersant based on a polyolefin-substituted succinic structure... | 03/16/2004 |
| 6696393 | Methods and compositions for reducing wear in internal combustion engines lubricated with a low phosphorus content lubricating oil Disclosed are methods and lubricant compositions for reducing wear in internal combustion engines lubricated with a low phosphorus content lubricating oil. The lubricant compositions of this invention comprise a synergistic combination of a complex of a m... | 02/24/2004 |
| 6638897 | Lubricant oil composition for internal combustion engines (law859) The lubricating oil of the present invention exhibits an excellent effect of agglomerating solid impurity particles it contains to a sufficiently large size as to be captured and removed by an oil filter.... | 10/28/2003 |
| 6627584 | Automatic transmission fluid additive comprising reaction product of hydrocarbyl acrylates and dihydrocarbyldithiophosphoric acids The present invention provides a power transmission lubricating composition containing a base oil, a dispersant, a lubricant additive produced by the reaction of a dihydrocarbyldithio-phosphoric acid and a hydrocarbyl acrylate, and optionally a viscosity ... | 09/30/2003 |
| 6605571 | Oleaginous concentrates Concentrates for lubricating oil compositions are prepared by blending at elevated temperature: (A) at least one high molecular weight ashless dispersant; and (B) at least one oil-soluble metal detergent; in the presence of (C) at least one metal salt of a dihydroc... | 08/12/2003 |
