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| Number | Title | Issue Date |
| 7863228 | Additives for lubricants and fuels A multi-functional composition for use as an additive for fuels and lubricants. The composition includes an amination product of a hydrocarbyl substituted succinic acylating agent and a mixture containing an aliphatic polyamine and an aromatic polyamine. The molar r... | 01/04/2011 |
| 7772169 | Low ash stationary gas engine lubricant A low-ash, low-phosphorus lubricant composition suitable for use in a stationary gas engine includes an oil of lubricating viscosity, 1.5 to 8 percent of a succinimide dispersant, 0.8 to 4.0 percent of a hindered, ester-substituted phenol antioxidant, and at least o... | 08/10/2010 |
| 7435707 | Oil-in-water emulsions and a method of producing The invention relates to a novel emulsified composition containing (a) major amount of an aqueous phase, (b) a minor amount of an organic phase (c) a thickener and (d) a minor but effective amount of at least one emulsifier to emulsify the aqueous and organic phase ... | 10/14/2008 |
| 7429554 | Automatic transmission fluids with phthalic acid corrosion inhibitor A phthalic acid such as terephthalic acid is made soluble in an oil of lubricating viscosity by first mixing it with at least one phosphorus compound. The resulting product is useful for reducing corrosion in a transmission lubricant. ... | 09/30/2008 |
| 7427162 | Rolling element A low friction sliding combination of a cam and a cam follower which are in slidable contact with each other in presence of a lubricating oil. The cam follower includes a cylindrical and hollow outer roller having an outer peripheral surface in slidable contact with... | 09/23/2008 |
| 7407918 | Lubricating oil compositions A lubricant composition comprising a major amount of baseoil lubricant and a minor amount of lubricant additive. The lubricant additive includes (a) a dispersant containing at least one member selected from hydrocarbyl-substituted succinimides, hydrocarbyl-substitut... | 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 |
| 7361629 | Additives for lubricants and fuels A multi-functional composition for use as an additive for fuels and lubricants. The composition includes an amination product of a hydrocarbyl substituted succinic acylating agent and a mixture containing an aliphatic polyamine and an aromatic polyamine. The molar r... | 04/22/2008 |
| 7322749 | Low-friction sliding mechanism A low-friction sliding mechanism includes first and second sliding members having respective sliding surfaces slidable relative to each other and a lubricant applied to the sliding surfaces of the first and second sliding members. At least the sliding surface of the... | 01/29/2008 |
| 7318514 | Low-friction sliding member in transmission, and transmission oil therefor A low-friction sliding member in a transmission is at least one of sliding members which are in slidable contact with each other in presence of a transmission oil composition. The low-friction sliding member includes a base material having a sliding section. A hard ... | 01/15/2008 |
| 7294077 | CVT belt with chromium nitride coating A belt for a continuously variable transmission (CVT) includes at least one continuous band supported against a contact face in a slot formed in each of a plurality of transverse elements of the CVT. The band has a surface positioned against the contact face. This s... | 11/13/2007 |
| 7264705 | Cathodic electrocoating compositions containing an anti-crater agent An improved aqueous cathodic electrocoating composition that contains an anti-crater agent which is a water-reducible polyester resin having an acid value less than 40 mg KOH/g. The water-reducible polyester is the reaction product of (1) a hydroxy cyclic carbonate;... | 09/04/2007 |
| 7264706 | Cathodic electrocoating compositions containing an anti-crater agent An improved aqueous cathodic electrocoating composition that contains an anti-crater agent which is a water-reducible polyester resin having an acid value less than 40 mg KOH/g. The water-reducible polyester is the reaction product of (1) a hydroxy cyclic carbonate;... | 09/04/2007 |
| 7238650 | Low-chlorine, polyolefin-substituted, with amine reacted, alpha-beta unsaturated carboxylic compounds A composition of matter comprising an amine acylated with a hydrocarbyl group substituted carboxylic acylating agent containing an average of from 1.3 to 1.6 groups derived from α,β-unsaturated carboxylic compounds per Mn of the hydrocarbyl group... | 07/03/2007 |
| 7228786 | Engine piston-pin sliding structure An engine piston-pin sliding structure includes a piston pin slidably engaged into a pin boss of an engine piston and having a base and a hard carbon coating formed on the base so as to define a sliding surface slidable over a bearing surface of the pin boss and a l... | 06/12/2007 |
| 7214649 | Hydrocarbyl dispersants including pendant polar functional groups A dispersant composition for use as a lubricant additive. The dispersant composition includes a reaction product of an acrylamide and a compound having at least one primary or secondary amine group and being selected from the group consisting of hydrocarbyl-substitu... | 05/08/2007 |
| 7205378 | Lactone bearing absorbable polymers The present invention pertains to biodegradable polymers comprising a non-polymerizable lactone, biodegradable compositions comprising the polymer and a therapeutic agent, the use of the compositions for the sustained release of therapeutic agents, wherein the thera... | 04/17/2007 |
| 7146956 | Valve train for internal combustion engine A valve train for an internal combustion engine is comprised of a lubricating oil, and a camshaft which is made of an iron-based material and comprises a cam lobe and a camshaft journal. The camshaft slidingly moves on a counterpart thereof through the lubricating o... | 12/12/2006 |
| 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 |
| 7126037 | Butene oligomer derivatives having terminal 1,4-butanediol functional groups Butene oligomer derivatives having tert-butyl groups as one of the terminal groups, having a repeating unit of the main hydrocarbon chain consisting of 80% by mole or more of —CH2C(CH3)2—, and carrying the other terminal group co... | 10/24/2006 |
| 7091306 | Process for preparing polyalkenylsuccinimides The present invention relates to an improved process for preparing polyalkenylsuccinimides having a sediment level less than 0.1 vol % comprising the steps of: (a) preparing a polyalkenyl derivative of an unsaturated acidic reagent... | 08/15/2006 |
| 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 |
| 7049273 | Hybridized olefin copolymer additives This invention relates to a novel multi-functional fuel and lubricant additive that provides dispersancy properties as well as viscosity index improver credit and, improved fuel economy. The invention further relates to concentrates, and to fuel and lubricating oil ... | 05/23/2006 |
| 7045554 | Method for improved Fischer-Tropsch catalyst stability and higher stable syngas conversion The present invention is generally related towards methods for preparing and using a more stable synthesis catalysts. In particular, the present invention is directed towards treating synthesis catalysts with low levels of oxygen to deactivate the smaller more unsta... | 05/16/2006 |
| 7022639 | Catalytic activity accelerant used in petroleum hydrogenation The present invention provides a catalytic activity accelerant. The accelerant is added to stock oil for increasing the catalyst activity, the depth of catalytic hydrogenation and the yield of catalytic hydrogenation product, degrading the reaction conditions of cat... | 04/04/2006 |
| 6992112 | Selective removal of oxygen from syngas The present invention is an improvement in the preparation of liquid hydrocarbons from natural gas/methane, oxygen and/or steam. In particular, the present invention relates to processes for the production of synthesis gas, reducing the oxygen concentration from the... | 01/31/2006 |
| 6923303 | Over-running clutch pulley with clutch and bearing lubricant The over-running clutch pulley of a preferred embodiment of the invention includes a sheave member (20), a hub member (22) located substantially concentrically within the sheave member, a clutch member (24), a clutch lubricant (26) locate... | 08/02/2005 |
| 6919301 | Grease composition and rolling apparatus A grease composition with a thickener of a calcium sulfonate complex and a second thickener component in a base oil. The second thickener component may be, for instance, polyurea, a metallic soap, a complex metallic soap or an N-substituted terephthalamic acid metal... | 07/19/2005 |
| 6916767 | Antioxidant amines based on n-(4aniliophenyl) amides antioxidant amines based on n-(4-anilinophenyl) amides A composition of matter is disclosed wherein the composition comprises an N-aromatic substituted acid amide compound selected from the group consisting of compounds of formula (I) wherein A and B are independently selected alkylene groups; R1 is selected ... | 07/12/2005 |
| 6906011 | Polymeric dispersants prepared from copolymers of low molecular weight polyisobutene and unsaturated acidic reagent This invention is directed to a new low molecular weight copolymer (The PIB/UAR copolymer) that may be prepared by reacting a low molecular weight polyisobutene (PIB) having less than about 32 carbon atoms with an unsaturated acidic reagent in the presence of a free... | 06/14/2005 |
| 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 |
| 6867171 | Low molecular weight branched alkenyl succinic acid derivatives prepared from low molecular weight polyisobutene and unsaturated acidic reagents This invention is directed to a new low molecular weight branched alkenyl succinic acid derivative that may be prepared by reacting a low molecular weight polyisobutene (PIB) having from about 8 to about 32 carbon atoms, and wherein at least about 50% of the olefini... | 03/15/2005 |
| 6828286 | Lubricant compositions Lubricant compositions comprises a lubricant base oil and one or more compounds resulting the modification of a succinimide represented by formula (1) or (2) wherein R1 and R2 may be the same or d... | 12/07/2004 |
| 6806242 | Low-friction sliding mechanism A low-friction sliding mechanism of the present invention comprises first and second sliding members slidable relative to each other at sliding surfaces thereof and a lubricant being applied to the sliding surfaces of the first and second sliding members. The first ... | 10/19/2004 |
| 6806239 | High-lubricity grease and modifier for lubricating grease A lubricating-grease modifier for addition to and modification of a lubricating grease that is to be present in a driving mechanism of a machine or apparatus and lubricate a driving part of the driving mechanism, the modifier comprising a lubricating resin powder an... | 10/19/2004 |
| 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 |
| 6770605 | Modified polyisobutylene succinimide dispersants having improved seal, sludge, and deposit performance A composition suitable for reducing sludge and degradation of elastomer seals in engines comprises an oil of lubrication viscosity and a minor amount of a sludge preventing/seal protecting nitrogen containing dispersant, which is a reaction product of a hydrocarbyl-... | 08/03/2004 |
| 6727208 | Lubricants containing a bimetallic detergent system and a method of reducing NOx emissions employing same A lubricating oil composition comprising a major amount of an oil of lubricating viscosity and an additive system comprising (A) from about 0.1 to about 5% by weight of a detergent composition comprising at least two metal overbased compositions wherein said deterge... | 04/27/2004 |
| 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 |
| 6677281 | Synergistic combination of metallic and ashless rust inhibitors to yield improved rust protection and demulsibility in dispersant-containing lubricants A lubricant having improved rust protection and demulsibility has a specific balance of an ashless dispersant and a rust inhibitor additive combination comprising a metallic and ashless rust inhibitor.... | 01/13/2004 |
