The Nitrogen Heterocyclic Ring Has Chalcogen Bonded Directly To Ring Carbon Adjacent To Ring Nitrogen (e.g., Succinimide Compounds, Etc.) Patents (Class 508/192)
  • Patent number: 10407640
    Abstract: Disclosed herein are marine diesel cylinder lubricating oil compositions which comprises (a) a major amount of an oil of lubricating viscosity, and (b) one or more non-borated polyalkenyl bis-succinimide dispersants, wherein the polyalkenyl substituent is derived from a polyalkene group having a number average molecular weight of from about 1500 to about 3000; and further wherein the marine diesel cylinder lubricating oil composition has a total base number (TBN) of about 5 to about 150. Also disclosed herein are marine diesel cylinder lubricating oil compositions which comprises (a) a major amount of an oil of lubricating viscosity, and (b) one or cyclic carbonate post-treated polyalkenyl bis-succinimide dispersants, wherein the marine diesel cylinder lubricating oil composition has a total base number (TBN) of about 5 to about 150.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: September 10, 2019
    Assignee: Chevron Oronite Technology B.V.
    Inventor: Cornelis Hendrikus Maria Boons
  • Patent number: 10301570
    Abstract: Provided are a lubricating oil composition for internal combustion engine, containing a lubricating base oil containing a mineral oil and/or a synthetic oil, (A) an overbased calcium salicylate, (B) an overbased magnesium detergent, (C) a binuclear and/or trinuclear organic molybdenum compound, (D) a phenol-based antioxidant, and (E) an amine-based antioxidant, wherein the component (C), the component (D), and the component (E) are contained in specified contents on the basis of the whole amount of the lubricating oil composition; a method for producing the lubricating oil composition for internal combustion engine; and a lubrication method including using the lubricating oil composition for internal combustion engine.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: May 28, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Motoharu Ishikawa, Tatsuya Kusumoto, Shinji Suzuki
  • Patent number: 10144896
    Abstract: The present invention describes a composition characterized in that the composition comprises a first metal component and particles including a second metal component. Furthermore the present invention describes a lubricant additive composition, a lubricant composition and a grease composition comprising the present composition.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: December 4, 2018
    Assignee: AB NANOL TECHNOLOGIES OY
    Inventors: Kenneth Ekman, Anders Soedergaerd, Patrik Strand, Johan Von Knorring, Aubrey Burrows, Sophia Von Haartman
  • Patent number: 10035970
    Abstract: A lubricant composition for improving fuel economy of a vehicle having an internal combustion engine includes a base oil and a friction-reducing compound. The friction reducing compound has the following general formula: wherein R is an alkyl or alkenyl group having 8 or more carbon atoms, each R1 is an independently selected hydrocarbon group having 2 to 10 carbon atoms, and n is 1.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: July 31, 2018
    Assignee: BASF SE
    Inventors: Jeffrey Alan Levine, Si Wu, David E. Chasan, Philippe Rabbat, Ryan J. Fenton, Glenn C. Phillips
  • Patent number: 9963657
    Abstract: A lubricant composition for a compression-ignition internal combustion engine comprises: (i) an amine as an ashless fuel additive having a total base number (“TBN”) of from about 275 to about 600 mg KOH/g when tested according to ASTM D2896; and (ii) a detergent selected from metal sulfonates, phenates, salicylates, carboxylates, thiophosphonates, and combinations thereof. The lubricant composition has a TBN of from about 20 to about 130 mg KOH/g when tested according to ASTM D2896. The amine contributes greater than about 30% of the TBN of the lubricant composition. Further, a method of lubricating an internal combustion engine with the lubricant composition comprises the steps of injecting a fuel and the lubricant composition into a cylinder to form a mixture, and combusting the mixture via compression-ignition.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: May 8, 2018
    Assignee: BASF SE
    Inventors: Kevin J. Desantis, Michael D. Hoey, Stephen R Jones
  • Patent number: 9790450
    Abstract: Lubricating oil compositions may include a base oil, a succinimide compound, and a thioheterocyclic compound. Such compositions may have a sulfur content of 0.10 mass % to 1.00 mass % based on a total amount of the composition. A phosphorus content represented by P in mass % and a sulfated ash content represented by M in mass %, based on the total amount of such compositions, may satisfy any of conditions A to C: condition A: P<0.03, and M<0.3; condition B: P<0.03 and 0.3?M?0.6; and condition C: 0.03?P?0.06 and M<0.3.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: October 17, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Junya Iwasaki, Yasunori Shimizu, Yoriyuki Takashima
  • Patent number: 9768386
    Abstract: There are provided a composition for encapsulation film, an encapsulation film, and an electronic device having the same. The present application may provide an encapsulation film having an excellent moisture barrier property, operability, workability, and durability and a structure including an element encapsulated by the encapsulation film.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: September 19, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Jung Sup Shim, Yoon Gyung Cho, Suk Ky Chang, Hyun Jee Yoo, Seung Min Lee, Kyung Yul Bae
  • Patent number: 9687823
    Abstract: A hydroprocessing co-catalyst composition may comprise in an embodiment a first component comprising co-catalyst particles and a liquid carrier, and a second component comprising a dispersant and a dispersant diluent. The co-catalyst particles may be in the micron size range, and the dispersant may promote dispersion of the co-catalyst particles in materials such as the liquid carrier, the dispersant diluent, and combinations thereof. Methods of introducing a hydroprocessing co-catalyst composition into a hydroprocessing system are also disclosed.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: June 27, 2017
    Assignee: Chevron U.S.A. Inc.
    Inventors: Julie Chabot, Bo Kou, Alexander Kuperman
  • Patent number: 9663743
    Abstract: A lubricant composition, lubricant concentrate and method for reducing engine deposits. The composition and method include a base oil of lubricating viscosity; an organo-molybdenum compound; a deposition reducing amount of a reaction product of an alkyl-substituted dicarboxylic acid compound selected from the group consisting of alkyl-substituted dicarboxylic acids, alkyl-substituted dicarboxylic acid anhydrides, and mixtures thereof, and a basic salt of aminoguanidine, in an amount sufficient to provide a product rich in alkyl bis-3-amino-1,2,4-triazole; and optionally a phenate detergent. The lubricant composition and method provide engine deposits that are less than an amount of engine deposits in the absence of component (c) and/or optional component (d).
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: May 30, 2017
    Assignee: AFTON CHEMICAL CORPORATION
    Inventors: Paul G. Griffin, Ian A. Bell, John T. Loper, William Y. Lam, Gregory H. Guinther
  • Patent number: 9574158
    Abstract: A compression-ignited engine lubricant and a method for reducing engine wear. The lubricant including, (a) a base oil; (b) oleamide; (c) zinc dihydrocarbyl dithiophosphate; and (d) a functionalized dispersant. The functionalized dispersant is made by reacting together (i) a hydrocarbyl-dicarboxylic acid or anhydride, (ii) a polyamine, (iii) a dicarboxyl-containing fused aromatic compound or anhydride thereof, and optionally, (iv) a non-aromatic dicarboxylic acid or anhydride, wherein the hydrocarbyl group of the hydrocarbyl-dicarboxylic acid or anhydride has a number average molecular weight of greater than 1800 Daltons as determined by gel permeation chromatography.
    Type: Grant
    Filed: May 1, 2015
    Date of Patent: February 21, 2017
    Assignee: Afton Chemical Corporation
    Inventors: Jason A. Lagona, John T. Loper
  • Patent number: 9523061
    Abstract: A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having greater than 400 ppm of boron, based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having at least about 1100 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of less than or equal to about 4:1.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: December 20, 2016
    Assignees: Chevron Oronite Company LLC, Chevron U.S.A. Inc.
    Inventors: Kenneth D. Nelson, Alexander B. Boffa, William M. Kleiser, Stephen D. Stults, James A. McGeehan, Wim Van Dam, Richard E. Cherpeck
  • Patent number: 9464254
    Abstract: A two-stroke, cross-head, slow-speed, compression-ignited marine engine is operated by (i) fuelling it with a diesel fuel, as a pilot fuel, and with a low sulphur fuel, as a main fuel; and (ii) lubricating the engine cylinder(s) with a lubricant having a BN of 20 or less and having a detergent additive system comprising at least two different metal detergents each having one surfactant group selected from phenate, salicylate and sulphonate, or one or more complex metal detergents containing two or more different surfactant soap groups selected from phenate, salicylate and sulphonate.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: October 11, 2016
    Assignee: INFINEUM INTERNATIONAL LIMITED
    Inventor: James C. Dodd
  • Patent number: 9458405
    Abstract: A lubricating oil composition includes: a base oil; a component (A) that is a dialkyl hydrogen phosphite; a component (B) that is a sulfur antioxidant; and a component (C) that is a polyalkenyl succinimide. Since the lubricating oil composition of the invention exhibits an excellent lubricity to both iron metal and copper metal and an excellent heat stability, the lubricating oil composition of the invention is suitable for a shock absorber of an automobiles and the like.
    Type: Grant
    Filed: August 19, 2013
    Date of Patent: October 4, 2016
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Shuichi Sakanoue, Aya Aoki
  • Patent number: 9447358
    Abstract: The present disclosure relates to a lubricating oil composition containing a base oil, a thioheterocyclic compound represented by the formula: (R1)k—(S)m—As—(S)n—(R2)l, and an aminoalcohol compound containing, in the molecule thereof, a piperazine moiety and one or more hydroxyl groups. The lubricating oil composition has a phosphorus content (P mass %) and a sulfated ash content (M mass %), based on a total mass of the lubricating oil composition, satisfying any of the following conditions A to C: condition A: P<0.03, and M<0.3; condition B: P<0.03, and 0.3?M?0.6; and condition C: 0.03?P?0.06, and M<0.3.
    Type: Grant
    Filed: March 19, 2013
    Date of Patent: September 20, 2016
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yasunori Shimizu, Junya Iwasaki
  • Patent number: 9410104
    Abstract: The invention provides a lubricating composition containing (a) a polymer derived from greater than 50 wt % or more of a non-diene monomer, wherein the polymer has a weight average molecular weight of about 2000 to about 200,000, and wherein the polymer has a shear stability index of about 0 to about 25; (b) a phosphorus-containing acid, salt, or ester; (c) an extreme pressure agent, other than a phosphorus-containing acid, salt, or ester; and (d) an oil of lubricating viscosity. The invention further provides a method for lubricating a mechanical device with the lubricating composition.
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: August 9, 2016
    Assignee: The Lubrizol Corporation
    Inventors: Mark R. Baker, Marina Baum, Barton J. Schober
  • Patent number: 9181511
    Abstract: The present invention relates to lubricating oil compositions comprising sulfurised esters that exhibit good antioxidancy performance whilst maintaining nitrile elastomer seal compatibility
    Type: Grant
    Filed: April 1, 2009
    Date of Patent: November 10, 2015
    Assignee: INFINEUM INTERNATIONAL LIMITED
    Inventors: Benjamin R. Elvidge, Nancy Z. Diggs, Neal J. Milne, Nigel A. Male
  • Patent number: 9090849
    Abstract: The lubricant for an internal combustion engine fueled by a biodiesel fuel (that is, a liquid fuel containing a C1-C4 alkyl ester of a carboxylic acid of about 12 to about 24 carbon atoms) exhibits improved resistance to oxidative degradation when the lubricant contains an alkali metal detergent.
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: July 28, 2015
    Assignee: The Lubrizol Corporation
    Inventors: Jola Adamczewska, Mark C. Davies, Craig J. Jones
  • Publication number: 20150141305
    Abstract: A lubricating oil composition for a continuously variable transmission has low viscosity to exhibit fuel savings, higher metal-to-metal friction coefficient to ensure high power transmission, wet clutch friction characteristics and anti-shudder properties required for transmissions, and low traction coefficient to achieve fuel savings. The composition contains a base oil adjusted so the product (EC×V40) of the mass % (ECmass %) of saturated cyclic component based on the total base oil and the 40° C. kinematic viscosity (V40 mm2/s) is 500 or less and the 100° C. kinematic viscosity is 3.6 to 4.1 mm2/s, (B) a phosphorus compound, (C) a calcium salicylate and/or a calcium sulfonate, (D) a boron-modified ashless dispersant in an amount of 0.001 to 0.008 mass % as boron, and (E) a friction modifier, each in a specific amount, the lubricating oil composition having a 100° C. kinematic viscosity of 5.2 to 5.6 mm2/s and a viscosity index of 165 or greater.
    Type: Application
    Filed: July 16, 2013
    Publication date: May 21, 2015
    Applicant: JX NIPPON OIL & ENERGY CORPORATION
    Inventors: Yasushi Onumata, Noriko Ayame, Takahiro Fukumizu, Minoru Yamashita, Masashi Ogawa, Jyunichi Nishinosono
  • Publication number: 20150111797
    Abstract: An engine oil lubricant composition comprising a major amount of base oil and an effective amount of a zinc dialkyl dithio phosphate, a polymeric viscosity index improver and a mixture of alkaline earth metal detergents provides improved fuel efficiency while providing excellent wear in an engine.
    Type: Application
    Filed: December 23, 2014
    Publication date: April 23, 2015
    Applicant: ExxonMobil Research and Engineering Company
    Inventors: Kristen A. Lyon, Kevin J. Kelly, William L. Maxwell, Douglas E. Deckman
  • Publication number: 20150099676
    Abstract: A lubricant comprising (a) an oil of lubricating viscosity; and (b) an overbased, carbonated calcium arylsulfonate detergent having a total base number (TBN) of at least about 640 as calculated on an oil-free basis effectively lubricates the surfaces in the synchronizer of a manual transmission.
    Type: Application
    Filed: March 13, 2013
    Publication date: April 9, 2015
    Inventors: Gareth Brown, Michael E. Huston, Christopher L. Friend, Gary M. Walker, Elisa J. Seddon
  • Patent number: 8993496
    Abstract: Disclosed is a method for improving compatibility of a fluorocarbon elastomer seal with a lubricating oil composition containing (a) a major amount of a base oil of lubricating viscosity; and (b) one or more dispersants containing one or more basic nitrogen atoms. The method involves adding to the lubricating oil composition an effective amount of one or more fluorocarbon elastomer compatibility improving agents comprising one or more oil-soluble titanium compounds.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: March 31, 2015
    Assignee: Chevron Oronite Company LLC
    Inventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
  • Publication number: 20150080278
    Abstract: A lubricating oil additive composition contains a borated succinimide derivative and an amino alcohol compound. A lubricating oil composition containing the lubricating oil additive composition is excellent in high-temperature detergency and base value retention (long-drain capabilities) even though a blended content of a metal detergent is low and an ash content is small.
    Type: Application
    Filed: March 13, 2013
    Publication date: March 19, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Izumi Terada, Junya Iwasaki
  • Publication number: 20150072907
    Abstract: The invention provides a lubricating oil composition for an engine made of aluminum alloy containing a base oil, a succinimide compound, and a thioheterocyclic compound represented by the following formula (I) and has a sulfur content of 0.10 mass % to 1.00 mass % based on the total amount of the composition, and a phosphorus content and a sulfated ash content, based on the total amount of the composition, falling within specific ranges, and a lubrication method employing the composition. The composition exhibits excellent wear resistance to aluminum alloy sliding parts of engines and can considerably reduce the high-phosphorus ZnDTP content and the metallic detergent content, while excellent wear resistance to aluminum alloy is maintained.
    Type: Application
    Filed: March 12, 2013
    Publication date: March 12, 2015
    Applicant: lDEMITSU KOSAN CO., LTD.
    Inventors: Junya Iwasaki, Yasunori Shimizu, Yoriyuki Takashima
  • Patent number: 8951943
    Abstract: The present invention relates to a method for lubricating a driveline device comprising supplying to the driveline device a lubricating composition comprising an oil of lubricating viscosity and an antiwear package wherein the antiwear package comprises (a) a derivative of a hydroxycarboxylic acid, and (b) a phosphorus compound selected from the group consisting of an amine salt of a phosphate hydrocarbon ester, a phosphite having at least one hydrocarbyl group with 4 or more carbon atoms, and mixtures thereof.
    Type: Grant
    Filed: August 11, 2010
    Date of Patent: February 10, 2015
    Assignee: The Lubrizol Corporation
    Inventors: Morey N. Najman, Mark R. Baker, Vera M. Marsic
  • Publication number: 20150024983
    Abstract: A lubricant comprising (a) an oil of lubricating viscosity; and (b) an overbased, carbonated calcium arylsulfonate detergent having a total base number (TBN) of at least about 640 as calculated on an oil-free basis effectively lubricates non-metallic surfaces in the synchronizer of a manual transmission.
    Type: Application
    Filed: March 12, 2013
    Publication date: January 22, 2015
    Inventors: Gary M. Walker, Christopher L. Friend, Gareth Brown, Elisa J Seddon, Michael E. Huston
  • Patent number: 8933001
    Abstract: Disclosed is a method for improving compatibility of a fluorocarbon elastomer seal with a lubricating oil composition containing (a) a major amount of a base oil of lubricating viscosity; and (b) one or more dispersants containing one or more basic nitrogen atoms. The method involves adding to the lubricating oil composition an effective amount of one or more fluorocarbon elastomer compatibility improving agents of the general formula Si—X4 or a hydrolysis product thereof, wherein each X is independently a hydroxyl-containing group, hydrocarbyloxy-containing group, acyloxy-containing group, amino-containing group, monoalkyl amino-containing group or dialkyl amino-containing group.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: January 13, 2015
    Assignee: Chevron Oronite Company LLC
    Inventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
  • Patent number: 8927472
    Abstract: Compositions comprise first antioxidants and first additives, such as, a surface additives, performance enhancing additives and lubricant protective additives and optionally second additives and/or second antioxidants. The compositions are useful to improve lubricants, lubricant oils and other lubricant materials. The compositions and methods generally provide longer shelf lives, increased oxidative resistance, improved quality and/or enhanced performance to lubricants or lubricant oils.
    Type: Grant
    Filed: May 11, 2012
    Date of Patent: January 6, 2015
    Assignee: Polnox Corporation
    Inventors: Ashok L. Cholli, Ashish Dhawan, Rajesh Kumar, Vijayendra Kumar, Suizhou Yang, Taizoon Canteenwala
  • Patent number: 8921287
    Abstract: The present invention provides a lubricating oil composition with excellent torque capacity and shifting characteristics suitable for use as automatic or continuously variable transmission fluids, which composition comprises a base oil and, on the basis of the total mass of the composition, (A) a sulfonate detergent in an amount of 0.01 to 0.3 percent by mass in terms of metal (MeA); (B) a salicylate detergent in an amount of 0 or more than 0 and 0.1 percent by mass or less, in terms of metal (MeB); and (C) a boron-containing succinimide type ashless dispersant in an amount of 0.001 to 0.1 percent by mass in terms of boron (BoC); (MeB)/(MeA) being 0, or greater than 0 and 1.5 or less, and (MeA)/(BoC) being from 0.001 to 20.
    Type: Grant
    Filed: November 1, 2006
    Date of Patent: December 30, 2014
    Assignee: Nippon Oil Corporation
    Inventors: Hitoshi Komatsubara, Masato Takahashi, Shigeki Matsui
  • Patent number: 8912133
    Abstract: The invention provides a lubricating composition containing an oil of lubricating viscosity, an additive containing a polymeric backbone and at least one amino group. The invention further provides for the additive to have dispersant and/or dispersant viscosity modifying properties. The lubricating composition is suitable for lubricating an internal combustion engine.
    Type: Grant
    Filed: November 11, 2013
    Date of Patent: December 16, 2014
    Assignee: The Lubrizol Corporation
    Inventors: Matthew D. Gieselman, Friend L. Christopher, Preston J. Adam
  • Patent number: 8901050
    Abstract: Disclosed is a method for improving copper corrosion performance of a lubricating oil composition containing (a) a major amount of a base oil of lubricating viscosity; and (b) one or more dispersants containing one or more basic nitrogen atoms. The method involves adding to the lubricating oil composition an effective amount of one or more copper corrosion performance improving agents of the general formula Si—X4 or a hydrolysis product thereof, wherein each X is independently a hydroxyl-containing group, hydrocarbyloxy-containing group, acyloxy-containing group, amino-containing group, monoalkyl amino-containing group or dialkyl amino-containing group.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: December 2, 2014
    Assignee: Chevron Oronite Company LLC
    Inventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
  • Patent number: 8853422
    Abstract: The present disclosure relates to a compound of the formula I or a tribologically acceptable salt, solvate, hydrate, or proadditive thereof, wherein R1, R2 and R4 are as defined herein. Such novel pyrrolidine, or succinimide, derivatives may be useful as friction modifiers in lubricant compositions. This disclosure also relates to a method of using such friction modifier compounds in lubricating fluid formulations to lubricate machine parts, including gear, axle, engine, and transmission parts, and to lubricant compositions containing such friction modifier compounds.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: October 7, 2014
    Assignee: Afton Chemical Corporation
    Inventors: Roger M. Sheets, Nubar Ozbalik
  • Patent number: 8809244
    Abstract: A lubricant composition, comprising an oil of lubricating viscosity, a dispersant comprising the condensation product of a carboxylic-functionalized polymer with an aromatic moiety through an amide, imide, or ester linkage, and an oil-soluble titanium compound, exhibits good oxidative stability.
    Type: Grant
    Filed: August 22, 2011
    Date of Patent: August 19, 2014
    Assignee: The Lubrizol Corporation
    Inventors: Mary Galic Raguz, Virginia A. Carrick, John K. Pudelski
  • Patent number: 8802604
    Abstract: The present invention provides a lubricating oil composition in contact with a silver-containing material, which comprises: a lubricant base oil made of a mineral base oil and/or a synthetic base oil; (A) metallic detergent; (B) one or more species of alkenyl succinimide and/or boron-containing alkenyl succinimide; and (C) zinc dialkyl dithiophosphate, wherein the content of these components to the total mass of the lubricating oil composition are defined as, (A) component: 0.12-2.0 mass % as metal content; (B) component: 0-0.03 mass % as boron content, 0.005 mass % to less than 0.08 mass % as nitrogen content, and the mass ratio (B/N) between the boron content (B) and the nitrogen content (N) is 0-0.55; and (C) component: 0.005-0.10 mass % as phosphorous content. As a lubricating oil in contact with silver-containing material, the lubricating oil composition can inhibit sulfidation corrosion of silver while containing zinc dialkyl dithiophosphate.
    Type: Grant
    Filed: August 20, 2009
    Date of Patent: August 12, 2014
    Assignee: JX Nippon Oil & Energy Corporation
    Inventor: Kazuhiro Yagishita
  • Publication number: 20140171349
    Abstract: A fuel economical lubricating oil composition for internal combustion engines comprises a base oil and an additive composition comprising an overbased metal-containing detergent and a molybdenum-containing friction modifier, in which the overbased metal-containing detergent comprises calcium salicylate having an alkyl group having an average carbon atom number of 14-18, at least 60 mol. % of the alkyl group having a carbon atom number of 14-18, and calcium sulfonate having an alkyl group having an average carbon atom number of 20-24, at least 60 mol. % of the alkyl group having a carbon atom number of 20-24, and/or calcium salicylate having an alkyl group having an average carbon atom number of 20-28, at least 60 mol. % of the alkyl group having a carbon atom number of 20-28.
    Type: Application
    Filed: December 17, 2012
    Publication date: June 19, 2014
    Applicant: Cheveron Japan Ltd.
    Inventors: Nobuo Ushioda, Tsuyoshi Miyamoto, Yasuhiro Ogasawara
  • Patent number: 8741824
    Abstract: Soot induced kinematic viscosity increase of lubricating oil compositions for diesel engines, particularly heavy duty diesel engines, equipped with EGR systems, particularly EGR systems operating in a condensing mode, can be ameliorated by addition of a phenylenediamine compound.
    Type: Grant
    Filed: July 8, 2005
    Date of Patent: June 3, 2014
    Assignee: Infineum International Limited
    Inventors: Dennis L. Malandro, Michael L. Alessi
  • Patent number: 8658575
    Abstract: This invention provides a composition of insulating fluid and process for the preparation thereof that mainly contains alkyl benzenes. In addition to alkyl benzenes, the composition also contains an antioxidant, an antifoaming agent, a pour point dispersant, a corrosion inhibitor and a detergent-dispersant additive. The product of this invention has utility as an insulating fluid in electrical installations such as transformer.
    Type: Grant
    Filed: March 21, 2006
    Date of Patent: February 25, 2014
    Assignee: Council of Scientific & Industrial Research
    Inventors: Arun Kumar Singh, Naval Kishore Pandey, Ashok Kumar Gupta
  • Patent number: 8623797
    Abstract: Lubricating oil compositions having excellent friction stability comprise a base lubricating oil, an oil soluble source of phosphorus and a defined polyalkylene polyamine-based friction modifier that has been reacted with a borating agent to convert at least one secondary amine group into the corresponding boric acid ester or boric acid salt.
    Type: Grant
    Filed: June 29, 2007
    Date of Patent: January 7, 2014
    Assignee: Infineum International Limited
    Inventors: Raymond F. Watts, Joe R. Noles, Jr., Keith R. Gorda, Kerry L. Cogen
  • Patent number: 8624038
    Abstract: The present disclosure relates to a compound of the formula I or a tribologically acceptable salt, solvate, hydrate, or proadditive thereof, wherein R1, R2 and R4 are as defined herein. Such novel pyrrolidine, or succinimide, derivatives may be useful as friction modifiers in lubricant compositions. This disclosure also relates to a method of using such friction modifier compounds in lubricating fluid formulations to lubricate machine parts, including gear, axle, engine, and transmission parts, and to lubricant compositions containing such friction modifier compounds.
    Type: Grant
    Filed: June 16, 2008
    Date of Patent: January 7, 2014
    Assignee: Afton Chemical Corporation
    Inventors: Roger Sheets, Nubar Ozbalik
  • Publication number: 20130324448
    Abstract: The present invention relates to an antiwear agent and lubricating compositions thereof. The invention further provides for a method of lubricating a driveline device application by employing a lubricating composition containing the antiwear agent.
    Type: Application
    Filed: August 6, 2013
    Publication date: December 5, 2013
    Applicant: The Lubrizol Corporation
    Inventors: Morey N. Najman, Mark R. Baker, Vera M. Marsic
  • Patent number: 8598100
    Abstract: A lubricant additive which comprises a succinimide compound or a boronization product thereof is advantageously used for preparation of a lubricant composition which can maintain the property of anti-shudder for a long time without decreasing the transmission torque capacity or the friction coefficient between metals.
    Type: Grant
    Filed: June 23, 2004
    Date of Patent: December 3, 2013
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Hiroaki Koshima, Shinichi Yanagi, Keiichi Narita, Hidetoshi Koga
  • Patent number: 8592356
    Abstract: A lubricating oil composition used in an internal combustion engine contains lubricating base oil; a disulfide compound as a component (A), a no-boron-containing ashless dispersant as a component (B), and a boron-containing ashless dispersant as a component (C). The disulfide compound as the component (A) is represented by the following formula (1) and/or the following formula (2). The no-boron-containing ashless dispersant as the component (B) has in its side chain: an alkyl group having a number average molecular weight of 500 to 3,000; or an alkenyl group having a number average molecular weight of 500 to 3,000. The boron-containing ashless dispersant as the component (C) has in its side chain: an alkyl group having a number average molecular weight of 500 to 4,000; or an alkenyl group having a number average molecular weight of 500 to 4,000.
    Type: Grant
    Filed: May 21, 2008
    Date of Patent: November 26, 2013
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventor: Koki Ito
  • Patent number: 8575080
    Abstract: A lubricating oil composition for diesel engines, particularly a composition with low ashes and no metals. The lubricating oil composition has exceedingly high detergency and excellent antiwear so that it is suitably used for diesel engines equipped with an apparatus for after-treatment of exhaust gas. The lubricating oil composition contains a lubricating base oil which includes a component (A): 2 to 30% by mass, based on the total amount of the composition, of a succinimide compound having an alkenyl group or an alkyl group of a number average molecular weight of 80 to 500 or a boronic compound thereof; and a component (B): 0.5 to 30% by mass, based on the total amount of the composition, of a succinimide compound having an alkenyl group of a number average molecular weight of 800 to 3,500 or a boronic compound thereof.
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: November 5, 2013
    Assignees: Idemitsu Kosan Co., Ltd., Petroleum Energy Center, A Juridical Incorporated Foundation
    Inventor: Tadashi Katafuchi
  • Publication number: 20130267449
    Abstract: Lubricating oil composition for use in diesel engines which comprises, in the base oil, not more than 0.3% by mass of sulphated ash, from 0.01 to 0.2% by mass of nitrogen in succinimides, from 0.05 to 0.12% by mass of zinc in zinc dithiophosphates, from 0.02 to 0.3% by mass of nitrogen in amine-based anti-oxidants, and from 0.01 to 0.08% by mass of boron, which further has a total value of [(zinc amount in zinc dithiophosphates)×(nitrogen amount in succinimides)] and [(zinc amount in zinc dithiophosphates)×(nitrogen amount in amine-based anti-oxidants)] as regards the aforementioned of from 0.015 to 0.06, and which does not contain salicylate, phenate or sulphonate metallic detergents. The intention is to obtain a lubricating oil composition for use in diesel engines which does not contain a metallic detergent yet maintains excellent engine (piston) detergency while preventing DPF clogging, and which reduces valve-train wear.
    Type: Application
    Filed: May 11, 2011
    Publication date: October 10, 2013
    Inventors: Kiyoshi Hanyuda, Tetsuo Wakizono
  • Patent number: 8551927
    Abstract: The invention relates to a lubricating composition containing (a) an oil of lubricating viscosity, and (b) an oil soluble compound with a >N—R—N< group, wherein R may be a hydrocarbylene group. The invention further provides for the use of the lubricating composition for lubricating a limited slip differential.
    Type: Grant
    Filed: May 23, 2011
    Date of Patent: October 8, 2013
    Assignee: The Lubrizol Corporation
    Inventors: Daniel J. Saccomando, Stuart L. Bartley, Shubhamita Basu
  • Patent number: 8536102
    Abstract: A gear oil additive composition and gear oil composition comprising a organic polysulfide having at least 30 wt % of a dialkyl polysulfide compound or mixture of dialkyl polysulfide compounds, a thiadiazole; and at least one ashless phosphorus-containing wear inhibitor compound is disclosed as having low yellow corrosion in axles and transmissions.
    Type: Grant
    Filed: February 6, 2013
    Date of Patent: September 17, 2013
    Assignee: Chevron Oronite Company LLC
    Inventor: Juan A. Buitrago
  • Patent number: 8415283
    Abstract: 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, and a method for inhibiting accumulation of components depositing on the DPF in the system. The present composition is for diesel engines having a regenerative DPF and running on diesel fuel with <10 mass ppm sulfur, contains a base oil and additives including (A) metal detergent, (B) ashless dispersant, and (C) phosphorus-based anti-wear agent, and satisfies the conditions of a sulfated ash content of 0.4-2 mass %, an atomic ratio of metal from component (A) to the total phosphorus of 0.2-3, an atomic ratio of the total boron to metal from component (A) of 0.2-2, and an atomic ratio of the total sulfur to metal from component (A) of 0-4.
    Type: Grant
    Filed: February 19, 2010
    Date of Patent: April 9, 2013
    Assignees: Nippon Oil Corporation, Japan Petroleum Energy Center
    Inventors: Isao Kurihara, Mineo Kagaya
  • Patent number: 8400030
    Abstract: A dispersant additive composition, a lubricant composition containing the dispersant additive, a transmission containing the dispersant additive, and a method of providing a versatile lubricating fluid. The dispersant includes a reaction product of a hydrocarbyl substituted carboxylic acid or anhydride and an amine. The reaction product has a nitrogen content up to 10,000 ppm by weight, and a boron plus phosphorus to nitrogen ((B+P)/N) weight ratio of from 0:1 to about 0.8:1. The dispersant additive composition is effective to provide an electrical conductivity to a lubricant composition containing the dispersant additive composition and a metal detergent of less than about 1700 pS/m.
    Type: Grant
    Filed: June 11, 2012
    Date of Patent: March 19, 2013
    Assignee: Afton Chemical Corporation
    Inventors: Hong-Zhi Tang, Mark T. Devlin, Naresh Mathur, Lee D. Saathoff, Timothy J. Henly
  • Patent number: 8389449
    Abstract: A gear oil additive composition and gear oil composition comprising a organic polysulfide having at least 30 wt % of a dialkyl polysulfide compound or mixture of dialkyl polysulfide compounds, a thiadiazole; and at least one ashless phosphorus-containing wear inhibitor compound is disclosed as having low yellow corrosion in axles and transmissions.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: March 5, 2013
    Assignee: Chevron Oronite Company LLC
    Inventor: Juan A. Buitrago
  • Patent number: 8377857
    Abstract: A method of lubricating a cylinder liner and a crankcase in a marine diesel crosshead engine with the same lubricating oil composition. The lubricating oil composition has a TBN, as measured using ASTM D 2896-98, of 10 to 55 mg KOH/g. The lubricating oil composition comprises: at least 40 mass % of an oil of lubricating viscosity; at least one detergent; at least one dispersant; and at least one anti-wear additive.
    Type: Grant
    Filed: May 24, 2006
    Date of Patent: February 19, 2013
    Assignee: Infineum International Limited
    Inventors: Laurent Chambard, Laura Kosidowski
  • Publication number: 20130029890
    Abstract: A lubricating oil composition containing a bis-type alkenyl-substituted succinimide which is prepared by reaction of succinic anhydride substituted with 2-alkenyl group having a branched structure in ?-position with alkylenepolyamine or a compound derived from the bis-type alkenyl-substituted succinimide by post-treatment in combination with a mixture of an overbased sulfonate having a C20-C24 alkyl group and an overbased salicylate having a C14-C18 alkyl group shows a high friction coefficient within a wide sliding velocity range and keeps its high anti-shudder performance for a long period of time.
    Type: Application
    Filed: January 27, 2012
    Publication date: January 31, 2013
    Applicant: Chevron Oronite Company LLC
    Inventors: Shrestha Kedar Shanker, Michio Shiga, Masami Fuchi, Takahiro Nakagawa