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| Number | Title | Issue Date |
| 7435709 | Linear alkylphenol derived detergent substantially free of endocrine disruptive chemicals Disclosed is a lubricating oil composition displaying reduced endocrine disruption response, comprising a major amount of an oil of lubricating viscosity; and a detergent comprising an unsulfurized alkali or alkaline earth metal salt of a reaction product of ... | 10/14/2008 |
| 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 |
| 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 |
| 7285516 | Additive formulation for lubricating oils Lubricating oils containing an additive formulation including at least one sulphonate, saligenin and salixarate detergent provide improved wear performance and decreased sulphur and phosphorus emissions. ... | 10/23/2007 |
| RE39648 | Crankcase lubricant for heavy duty diesel oil Thus, the instant invention is directed toward an oil for diesel engines comprising an admixture of (A) a major amount of an oil of lubricating viscosity, (B) at least 4 mass % dispersant, (C) at least 0.3 mass % of a metal phenate, (D) less than 0.1 mass % friction... | 05/22/2007 |
| 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 |
| 6940692 | Magnetic recording head having a corrosion-protective layer of a metal salt of a perfluorinated polyether acid A process is provided for synthesizing metal salts of perfluorinated polyethers containing at least one carboxylic acid group. The polymeric salts so provided are effective as anti-wetting and corrosion-protective agents. The metal salts of perfluorinated polyether ... | 09/06/2005 |
| 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 |
| 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 |
| 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 |
| 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 |
| 6809069 | Lubricating oil composition A lubricating oil composition which comprises a lubricating base oil and a sulfonate, phenate or salicylate of an alkaline earth metal and has a friction coefficient between metals of 0.12 or higher at −20° C. as measured in accordance with a block-on-disk test. ... | 10/26/2004 |
| 6800595 | Grease composition with improved rust prevention and abrasion resistance properties A grease composition having a base oil and a thickener, which grease additionally has from 0.05% to 30% by weight of sodium thiosulphate and at least 0.1% by weight of one or more additives selected from the group of: calcium salicylate, magnesium salicylate, calciu... | 10/05/2004 |
| 6764982 | Lubricating oil composition This invention relates to a lubricating oil composition, comprising: (A) a base oil; and a phosphorus-containing compound represented by the formulae wherein in Formulae (B-I) and (B-II), R1, R2 and... | 07/20/2004 |
| 6730638 | Low ash, low phosphorus and low sulfur engine oils for internal combustion engines A lubricating composition for internal combustion engines especially useful with fuels having less than 350 ppm sulfur comprises a lubricating oil basestock, a boron containing ashless dispersant, a molybdenum containing friction reducing agent, a metal type deterge... | 05/04/2004 |
| 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 |
| 6720294 | Lubricating oil compositions A lubricating oil composition comprising, as a detergent, metal salt of a long chain hydrocarbyl-substituted organic acid, at a concentration of not more than 15 mmol/kg oil. ... | 04/13/2004 |
| 6660697 | Lubricating oil compositions A lubricating oil composition suitable for a trunk piston marine diesel engine. The lubricating oil composition comprises an admixture of: (A) an oil of lubricating viscosity, in a major amount; and (B) an oil-soluble complex overbased metal detergent addit... | 12/09/2003 |
| 6610637 | Synthetic diesel engine lubricants containing dispersant-viscosity modifier and functionalized phenol detergent A lubricant containing (a) a synthetic base oil composition having an overall kinematic viscosity of at least about 4.8×10-6 m2 /s (4.8 cSt) at 100° C. and a viscosity index of at least about 110; (b) a dispersant-viscosity modifie... | 08/26/2003 |
| 6586374 | Engineered synthetic engine oil and method of use A synthetic lubricant for gasoline and diesel engines having a viscosity ranging between about 14.5 and 16.5 cs at 100° C., the lubricant containing from about 55 to about 75 volume percent polyalphaolefin having a viscosity of about 6 to 8 cs at 100° C... | 07/01/2003 |
| 6569821 | Overbased metal detergents An overbased metal detergent having friction-modifying properties comprises colloidal inorganic base particles stably dispersed in an oil of lubricating viscosity. The colloidal particles constitute from 15 to 40 mass % of the detergent, and a stabilizing... | 05/27/2003 |
| 6569819 | Lubricant compositions Lubricant compositions comprise a lubricant base oil, and (A) a mono substituted amide type bissuccinimide in an amount from 0.5 to 20 percent by mass, (B) zinc dithiophosphate in an amount from 0.05 to 0.3 percent by mass of phosphorus, and (C) a metal-b... | 05/27/2003 |
| 6559105 | Lubricant compositions containing ester-substituted hindered phenol antioxidants A composition of an antioxidant of the formula ##STR1## where R3 is an alkyl group of 2 to 6 carbon atoms, and a dispersant or a detergent, is a useful additive package for lubricant compositions.... | 05/06/2003 |
| 6455477 | Two-cycle lubricating oil with reduced smoke generation There is disclosed a low smoke two cycle oil comprising a solvent and 5-20% by weight polyisobutylene which has a KV of at least 6.5 mm2 /s at 100° C. and a JASO M342 Smoke Index of at least 85.... | 09/24/2002 |
| 6423670 | Lubricating oil compositions A heavy duty diesel engine lubricating oil composition having no more than 0.10 wt. % phosphorus comprises an ashless dispersant, a neutral calcium phenate, an overbased calcium or magnesium sulfonate, a metal dihydrocarbyldithiophosphate, and a phenolic ... | 07/23/2002 |
| 6376434 | Lube oil compositions for diesel engines A lube oil composition which is suitably used for diesel engines which exhaust large amounts of sulfur dioxides (Sox). The composition exhibit excellent corrosion/wear preventive properties against SOx. The lube oil composition of th... | 04/23/2002 |
| 6331510 | Synthetic diesel engine lubricants containing dispersant-viscosity modifier and functionalized phenol detergent A lubricant containing (a) a synthetic base oil composition having an overall kinematic viscosity of at least about 4.8×10-6 m2 /s (4.8 cSt) at 100° C. and a viscosity index of at least about 110; (b) a dispersant-viscosity modifie... | 12/18/2001 |
| 6310009 | Lubricating oil compositions containing saligenin derivatives A saligenin derivative such as the magnesium salt represented by the formula ##STR1## is useful as an additive for a lubricating composition. Preferably X is --CHO or --CH2 OH, and Y is --CH2 -- or --CH2 OCH2 --... | 10/30/2001 |
| 6306801 | Lubricating oil composition comprising acylated bissuccinimide, zinc dithiophosphate and metallic detergent A lubricating oil composition having an excellent sludge formation inhibiting effect and being suitable for use as an engine oil is provided. The lubricating oil composition includes: a lubricating base oil, (A) 0.5 to 20% by mass of acylated bissuccinimi... | 10/23/2001 |
| 6277794 | Lubricant compositions A marine diesel engine lubricant composition having a TBN of at least 10 and preferably a VI of at least 90, comprises a major amount of oil of lubricating viscosity, and admixed therewith, minor amounts of an ashless antiwear additive and a metal deterge... | 08/21/2001 |
| 6268320 | Sulphur-containing calixarenes, metal salts thereof, and additive and lubricating oil compositions containing them This invention relates to a composition comprising at least one sulphur-containing calixarene represented by formula (I) ##STR1## or a metal salt of said calixarene, wherein in formula (I): Y is a divalent bridging group, at least one of said bridging gro... | 07/31/2001 |
| 6262001 | Unsulfurized, alkali meta-free, additive for lubricating oils An unsulfurized, alkali metal-free, detergent-dispersant composition having from 40% to 60% alkylphenol, from 10% to 40% alkaline earth alkylphenate, and from 20% to 40% alkaline earth single aromatic-ring alkylsalicylate. This composition may have an alk... | 07/17/2001 |
| 6235688 | Detergent containing lithium metal having improved dispersancy and deposit control Non-thixotropic, sodium-free lubricant additive having from 10% to 50% of a liquid organic diluent and from 30% to 90% of a substituted hydrocarbaryl metal salt. At least 30 mole percent of the metal in the metal salt is lithium, and the salt is essential... | 05/22/2001 |
| 6232277 | Lubricating oil compositions There are disclosed fuel compositions containing an additive formed by admixture of (i) at least one ethylene polymer, (ii) the product of the condensation reaction between an aldehyde or ketone or reactive equivalent thereof and at least one compound com... | 05/15/2001 |
| 6191081 | Long life medium and high ash oils with enhanced nitration resistance A long life lubricating oil 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 high TBN, medium TBN and low/neutral TBN detergents ... | 02/20/2001 |
| 6159912 | Low viscosity, chloride-free, low overbased alkyl-aryl-sulfonate, its application as an additive for lubricating oil, and methods of preparation A low overbased alkyl phenyl sulfonate prepared by the neutralization of sulfonic acid with a sulfurized high TBN calcium alkylphenate in the absence of chloride and in the absence of additional carboxylic acid.... | 12/12/2000 |
| 6159911 | Diesel engine oil composition Disclosed is a diesel engine oil composition containing a lube oil base and one or more metallic detergent-dispersants selected from among a perbasic alkaline earth metal sulfonate, phenolate, and salicylate. The total phosphorus content of the compositio... | 12/12/2000 |
| 6140280 | Succinimide compound and method for producing it, lubricating oil additive comprising the compound and lubricating oil composition comprising the compound for diesel engine Disclosed are novel succinimide compounds effective in diesel engine lubricating oil for protecting engine parts from being corroded or worn by SOx. An acid compound of formula (I) or (II) is reacted with a polyamine to produce the succinimide compounds, ... | 10/31/2000 |
| 6107259 | Oil soluble calcite overbased detergents and engine oils containing same An engine oil contains a lubricating oil and an overbased calcium sulfonate having a dispersion of calcite-core micelles, which engine oil has commercial haze free properties, namely a Hazitron test value of less than about 30 and more particularly less t... | 08/22/2000 |
| 6103672 | Lubricating oil compositions An improved polybutene-free lubricant composition for marine diesel engines, comprising a major amount of oil of lubricating viscosity and, provided by admixing therewith, minor amounts of a) at least one of a borated dispersant or oil-soluble or oil-disp... | 08/15/2000 |
