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| Number | Title | Issue Date |
| 8084404 | Crankcase lubricating oil composition for protection of silver bearings in locomotive diesel engines The present invention is directed to a crankcase lubricating oil composition for protection of silver bearings in locomotive diesel engines comprising (A) a major amount of an oil of lubricating viscosity, and (B) a silver wear protection additive composition, and (... | 12/27/2011 |
| 7759294 | Lubricant compositions Lubricant compositions having improved load carrying capacity comprising an extreme pressure compound comprising a sulfur-containing compound, a load carrying capacity enhancing combination comprising a hydrocarbylamine compound and an alkylphosphorothioate compound... | 07/20/2010 |
| 7598212 | Lubricating composition suitable for diesel engines An improved lubricating composition suitable for diesel engines comprising a major amount of at least one oil of lubricating viscosity and a minor amount of an alkylamine-alkylphosphate additive. The alkylamine-alkylphosphate additive comprises from at least 1.25 eq... | 10/06/2009 |
| 7332227 | Non-volatile lubricant system for medical devices A non-volatile lubricious coating composition is provided for use with medical devices, such as hypodermic needles, catheters, and the like. The coating composition includes a first siloxane polymer having a very low viscosity less than about 50 centistokes, a secon... | 02/19/2008 |
| 7256162 | Fatty acid esters and uses thereof Esters formed from polyol, C12-C28 branched chain fatty acid, and/or C12-C28 cyclic fatty acid are useful as a friction modifier for lubricants. Monomer is a preferred source for these fatty acids. ... | 08/14/2007 |
| 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 |
| 7056871 | Lubricating oil composition which decreases copper corrosion and method of making same An oil-soluble additive composition and lubricating oil composition containing the same, comprising an organic sulfur-containing extreme pressure additive; a thiadiazole, wherein the thiadiazole does not contain a polycarboxylate moiety and the amount of dimercaptot... | 06/06/2006 |
| 7045490 | Refrigerating machine oil composition A refrigerating machine oil composition according to the invention comprises an alicyclic polycarboxylic acid ester compound obtained from the following compounds (a) to (c): (a) an alicyclic polycarboxylic acid having an alicyclic... | 05/16/2006 |
| 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 |
| 6878677 | Refrigerating machine oil compositions The invention provides a refrigerator oil composition comprising a base oil of a mineral oil and/or a synthetic oil, and containing (a) a partial ester of a polyalcohol and a fatty acid and (b) an acid phosphate or its amine salt; and a refrigerator oil composition ... | 04/12/2005 |
| 6872693 | Mineral gear oils and transmission fluids This invention relates to mineral oil based gear oils and transmission fluids which comprise a major amount of a mineral oil having an iodine number of less than 9 and where at least 55% of the saturates are aliphatic, and gear oil or transmission fluid additives. I... | 03/29/2005 |
| 6844300 | Low phosphorus clean gear formulations Gear oils meeting GL-5 specifications are obtained by blending a base oil, a thermally stable phosphorus-containing anti-wear agent; and a metal-free sulfur-containing extreme-pressure agent; wherein the thermally stable phosphorus-containing anti-wear agent is pres... | 01/18/2005 |
| 6797679 | Lubricant composition Provided is a lubricant composition prepared by adding, to a base oil, (a) from 0.01 to 5% by mass, based on the composition, of a phosphate, (b) from 0.005 to 1% by mass of an amine salt of an acid phosphate and (c) from 0.01 to 1% by mass of a sulfur-containing ex... | 09/28/2004 |
| 6756346 | Lubricating oil composition useful in hydraulic fluids A lubricating oil composition comprising (I) 100 pbw of a base oil, (II) an antiwear agent comprising (i) from 0.05 to 10 pbw of a phosphorothionate and from 0.01 to 1.0 pbw of an amine salt of phosphorus compound and/or (ii) from 0.05 to 10 pbw of a dithiophosphate... | 06/29/2004 |
| 6645920 | Additive composition for industrial fluid A lubricating oil composition containing in oxidation inhibitor package, a rust inhibitor and metal deactivator is used in industrial fluids. The oxidation package contains alkylated diphenylamines, substituted hydrocarbyl monosulphides and optionally ste... | 11/11/2003 |
| 6638898 | Process of preparing multi-functional amino di(alkylcyclohexyl) phosphordithioate additive for lubricant composition from saturated cashew nut shell liquid A process for the preparation of multi-functional additive, amino di(alkylcyclohexyl) phosphorodithioate, for use as an additive in a lubricant composition so as to impart improved coefficient of friction, wear reduction, antioxidant and extreme pressure ... | 10/28/2003 |
| 6617287 | Manual transmission lubricants with improved synchromesh performance A novel lubricating composition for manual transmissions with improved performance with sintered synchronized components. The lubricating oil composition contains high level of an alkaline earth sulfonate and amine phosphates.... | 09/09/2003 |
| 6613722 | Lubricating composition A lubricating composition for lubricating a continuously variable transmission, the lubricating composition comprising a mixture of a major amount of a lubricating oil and an effective amount of a performance enhancing additive combination comprising: (a)... | 09/02/2003 |
| 6596673 | Marine diesel cylinder lubrication The cylinders of a two-stroke cross-head marine diesel engine characterised by a power output of 4,000 kW per cylinder or greater are lubricated by a cylinder lubricant comprising a basestock of lubricating viscosity, on overbased metal detergent and an o... | 07/22/2003 |
| 6586375 | Phosphorus salts of nitrogen containing copolymers and lubricants containing the same This invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity and a minor amount of a salt of at least one nitrogen containing polyacrylate and at least one phosphorus acid ester. The invention also relat... | 07/01/2003 |
| 6573223 | Lubricating compositions with good thermal stability and demulsibility properties The invention relates to a lubricating composition comprising: (a) at least one sulfur-free hydrocarbyl phosphoric acid ester or salt, (b) at least one sulfur-containing hydrocarbyl phosphoric acid or salt, (c) an organic polysulfide, (d) at least one dis... | 06/03/2003 |
| 6521571 | Trunk piston engine lubrication A lubricant suitable for use in a trunk piston diesel engine characterised by a power output of 200 kW or greater. The trunk piston diesel engine may be for use in marine, power generation or rail traction applications. The lubricant comprises a basestock... | 02/18/2003 |
| 6511947 | Heat resisting lubricating oil composition Heat resistant lubricatant oil compositions consisting of a synthetic lubricating oil composition mainly composed of a polyphenyl ether and so excellent in heat and oxidation resistance and wear resistance as to be suitable for use under severe conditions... | 01/28/2003 |
| 6482777 | Lubricating compositions with improved thermal stability and limited slip performance This invention relates to a lubricating composition comprising a blend of a major amount of an oil of lubricating viscosity, gear or transmission oil package and a top treatment which comprises at least one saturated fatty phosphate ester or salt, wherein... | 11/19/2002 |
| 6468946 | Mixed phosphorus compounds and lubricants containing the same This invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity and (A) a di or trihydrocarbyl phosphite, (B) at least one reaction product of a di or trihydrocarbyl phosphite and sulfur or a source of sulf... | 10/22/2002 |
| 6339052 | Lubricant compositions for internal combustion engines A lubricating oil composition for gasoline and diesel internal combustion engines includes a major portion of an oil of lubricating viscosity; from 0.1 to 20.0% w/w of a component A which is a sulfurized, overbased calcium phenate detergent derived from d... | 01/15/2002 |
| 6303546 | Traction drive fluid There is disclosed a traction drive fluid which comprises a base oil blended with (A) an active phosphate ester base compound, (B) a boron-containing imide base dispersant (e.g. polyalkenyl succinimide treated with a boron compound) and (C) a boron-free i... | 10/16/2001 |
| 6300293 | Lubricant composition for metal working operations The lubricant composition comprises (a) a paraffinic base oil of defined viscosity and evaporation rate characteristics, (b) a polyhydric alcohol/aliphatic acid ester, and (c) an antiwear agent. The lubricant composition is especially suitable for use in ... | 10/09/2001 |
| 6262000 | Power transmitting fluids of improved antiwear performance The antiwear performance of power transmitting fluids, particularly continuously variable transmission fluids, is improved by incorporating an additive combination of amine phosphates, organic polysulfides, zinc salts of phosphorothioic acid esters and op... | 07/17/2001 |
| 6165950 | Phosphate lubricant compositions and metal forming use Concentrated lubricant compositions, dilutable for use in high temperature metal forming processes and containing a triaryl phosphate ester; a non-ionic and/or amphoteric surfactant, an organic sulfur-containing extreme pressure additive, an amine salt of... | 12/26/2000 |
| 6136759 | Additive composition Provided is a novel additive composition containing (a) a compound having, in the molecule, a group of a general formula (I): ##STR1## wherein R1, R2 and R3 each represent a hydrogen atom or a methyl group, but at lea... | 10/24/2000 |
| 6133207 | Odor reduction of lubricant additives packages Sulfurized phosphorous compounds, which are effective anti-wear, extreme pressure agents, may be formed without odor by reacting phosphorous compounds with other reactive sulfur sources, including elemental sulfur, before addition of polysulfides. The pro... | 10/17/2000 |
| 6103675 | Phosphoric esters as extreme pressure additives The invention relates to the use of mixtures of one or more phosphoric esters of the formula (I) with one or more amines of the formula (II) as extreme pressure additives in water-immiscible cooling lubricants ##STR1## in which the substituents have ... | 08/15/2000 |
| 6074994 | Non-aqueous solvent-free lamellar liquid crystalline lubricants Non-aqueous solvent-free lamellar liquid crystalline lubricant compositions containing an organic acid component or a salt thereof and an organic acid component are disclosed.... | 06/13/2000 |
| 6066602 | Waterborne non-silicone lubricant comprising phospholipid and polyether The lubricant of this invention is a combination of a PLURONIC.RTM. polyol and a phospholipid. The lubricant is applied to the surface to be lubricated by forming a solution of water and the lubricant. This solution may also include Vitamin E or its deriv... | 05/23/2000 |
| 5997761 | Refrigerating machine oil composition A refrigerating machine oil composition which comprises, in the form of a blend, a base oil comprising a mineral oil or a synthetic oil and at least one species of an amine salt of an organic phosphoric acid, e.g. monooctylamine dioleyl phosphate.... | 12/07/1999 |
| 5972854 | Lubricating oil composition for automatic transmission Disclosed is a lubricating oil composition for automatic transmissions, which comprises a base oil and additives of (A) a sulfur-containing antioxidant or an amine-type antioxidant, (B) a phosphate or its amine salt, and (C) a reaction product of a carbox... | 10/26/1999 |
| 5968880 | Lubricating compositions, functional fluids and greases containing thiophosphorus esters or their salts with a oxyalkylene group, and methods of using the same This invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity and at least one metal-free thiophosphorus acid ester, at least one amine salt of the thiophosphorus acid ester, or a mixture thereof, wherein... | 10/19/1999 |
| 5942470 | Lubricant compositions Gear oils and gear oil additive concentrates of enhanced positraction performance are described. They comprise: (i) at least one oil-soluble sulfur-containing extreme pressure or antiwear agent; (ii) at least one oil-soluble amine salt of a partial ester ... | 08/24/1999 |
