Nitrogen Attached Directly Or Indirectly To The Phosphorus By Nonionic Bonding Patents (Class 508/425)
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Patent number: 11180710Abstract: A lubricant composition is provided containing an oil of lubricating viscosity and a substantially sulfur-free alkyl phosphate amine salt, where at least 30 mole percent of the phosphorus atoms are in an alkyl pyrophosphate salt structure, along with either or both of a conventional phosphorous containing antiwear additive and a glycerol ester. In the phosphate amine salt, at least 80 mole percent of the alkyl groups are typically secondary alkyl groups of 3 to 12 carbon atoms. A method of improving wear over a wide temperature range in a mechanical device is also provided by employing the lubricant composition.Type: GrantFiled: April 25, 2018Date of Patent: November 23, 2021Assignee: The Lubrizol CorporationInventors: Brian B. Filippini, Suzanne Patterson, William R. S. Barton
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Patent number: 11149226Abstract: In accordance with the disclosure, one aspect of the present application is directed to a lubricant additive composition. The lubricant additive composition includes a component or mixture of components selected from (a) an aminoalkylphosphonic acid dialkyl ester; (b) a cyclized product of an aminoalkylphosphonic acid dialkyl ester; and a mixture of (a) and (b). Preparation and use of the additive composition in a lubricant for antiwear and/or friction reduction are also disclosed.Type: GrantFiled: February 18, 2020Date of Patent: October 19, 2021Assignee: Afton Chemical CorporationInventors: Helen T. Ryan, Bevin W. Parks-Lee, Jeffrey J. Soden, Stuart Wickson
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Patent number: 9200122Abstract: The present invention relates to phosphorus-containing triazine compounds of the formula (I) and (III) and to the polymers obtainable from the water-eliminating polycondensation of a compound of the formula (II), and to the use thereof as flame retardants.Type: GrantFiled: June 16, 2014Date of Patent: December 1, 2015Assignee: J. M. Huber CorporationInventors: Trupti Dave, Wolfgang Wehner
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Patent number: 9034809Abstract: The present invention relates to a method of driveline device by supplying to the driveline device a lubricating composition containing an oil of lubricating viscosity and an antiwear package, wherein the antiwear package includes: (a) derivatives of a carboxylic acid (typically a hydroxycarboxylic acid); and (b) a phosphorus compound. The invention further provides lubricating compositions containing an oil of lubricating viscosity and an antiwear package, wherein the antiwear package includes (a) derivatives of a carboxylic acid (typically a hydroxycarboxylic acid); and (b) an amine or metal salt of a phosphorus compound that is either (i) a hydroxy-substituted di-ester of (thio)phosphoric acid, or (ii) a phosphorylated hydroxy-substituted di- or tri-ester of (thio)phosphoric acid.Type: GrantFiled: September 6, 2012Date of Patent: May 19, 2015Assignee: The Lubrizol CorporationInventor: Morey N. Najman
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Publication number: 20130252864Abstract: A process is provided for preparing a salt of a hydroxy-substituted ester of phosphoric acid, comprising: (a) reacting a phosphate diester with an alkylene oxide, (b) reacting the product mixture of step (a) with a phosphating agent; and (c) reacting the product mixture of step (b) with an amine; wherein the phosphate diester is reacted with the alkylene oxide of step (a) in the substantial absence of a phosphate monoester. The product is useful as an antiwear agent.Type: ApplicationFiled: August 23, 2011Publication date: September 26, 2013Applicant: THE LUBRIZOL CORPORATIONInventors: Daniel J. Knapton, Troy A. Conant
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Patent number: 8361941Abstract: The present invention relates to an antiwear agent and lubricating compositions thereof. The invention further provides for a method of lubricating a driveline device or a grease application by employing a lubricating composition containing the antiwear agent.Type: GrantFiled: June 6, 2011Date of Patent: January 29, 2013Assignee: The Lubrizol CorporationInventor: Charla A. Ramsey
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Publication number: 20110294709Abstract: The present invention provides an anti-wear compound selected from phosphorus compounds as represented by the following General Formula (2) or metal salts thereof as represented by the following General Formula (3).Type: ApplicationFiled: January 28, 2010Publication date: December 1, 2011Inventors: Eiji Nagatomi, Tetsuo Wakizono
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Publication number: 20110177988Abstract: The present invention relates to a method of driveline device by supplying to the driveline device a lubricating composition containing an oil of lubricating viscosity and an antiwear package, wherein the antiwear package includes: (a) derivatives of a carboxylic acid (typically a hydroxycarboxylic acid); and (b) a phosphorus compound. The invention further provides lubricating compositions containing an oil of lubricating viscosity and an antiwear package, wherein the antiwear package includes (a) derivatives of a carboxylic acid (typically a hydroxycarboxylic acid); and (b) an amine or metal salt of a phosphorus compound that is either (i) a hydroxy-substituted di-ester of (thio)phosphoric acid, or (ii) a phosphorylated hydroxy-substituted di- or tri-ester of (thio)phosphoric acid.Type: ApplicationFiled: March 10, 2009Publication date: July 21, 2011Applicant: THE LUBRIZOL CORPORATIONInventor: Morey N. Najman
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Patent number: 7968505Abstract: A magnetic recording medium comprising a lubricant film comprising a photosynthesized lubricant having a single phase composition of at least a lubricant moiety and an additive moiety is disclosed.Type: GrantFiled: March 26, 2008Date of Patent: June 28, 2011Assignee: Seagate Technology LLCInventors: Jianwei Liu, Michael Joseph Stirniman
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Publication number: 20100016188Abstract: The present invention relates to an antiwear agent and lubricating compositions thereof. The invention further provides for a method of lubricating a driveline device or a grease application by employing a lubricating composition containing the antiwear agent.Type: ApplicationFiled: September 25, 2009Publication date: January 21, 2010Applicant: The Lubrizol CorporationInventor: Charla A. Ramsey
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Patent number: 7122508Abstract: 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, alkali metal borate and at least one phosphorous-containing compound wherein the total phosphorous employed in the composition is no more than about 0.08 weight percent based on the total weight of the composition.Type: GrantFiled: October 31, 2002Date of Patent: October 17, 2006Assignee: Chevron Oronite Company LLCInventor: Alexander B. Boffa
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Publication number: 20040092412Abstract: Compounds, in particular those based on polyisobutyleneamines, are suitable as emulsifiers for water-in-oil emulsions and are used in particular as additives for fuels and lubricants.Type: ApplicationFiled: September 2, 2003Publication date: May 13, 2004Inventors: Stephan Hueffer, Cordula Mock-Knoblauch, Gregor Schrmann, Arno Lange
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Patent number: 6730403Abstract: A lubricant for a magnetic recording medium that imparts resistance to degradation, improved lubrication quality and better CSS durability to the medium, even when using a low levitating head. The lubricant is a perfluoropolyether compound having a cyclic triphosphazene end group within the molecule. A magnetic recording medium using at least one perfluoropolyether compound having a cyclic triphosphazene end group within the molecule as a lubricant. A method of making a magnetic recording medium which resists degradation when using a low levitation head including the sequential steps of: forming a foundation layer on a non-magnetic base, forming a magnetic layer on the foundation layer, forming a protection layer on the magnetic layer, and forming a lubrication layer on the protection layer. The lubrication layer includes at least one perfluoropolyether lubricant having a cyclic triphosphazene end group within the molecule.Type: GrantFiled: January 6, 2000Date of Patent: May 4, 2004Assignee: Fuji Electric Co., Ltd.Inventors: Shinji Shirai, Youichi Tei, Takahiro Tokumoto
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Patent number: 5925601Abstract: A method of lubricating conveyors with a lubricating concentrate formulated to contain about 0.5 wt-% to 90 wt-% of a fatty amide ethoxylate phosphate ester diluted to a use solution formulated to contain about 5 ppm to 1000 ppm of a fatty amide ethoxylate phosphate ester is described. The use solution is applied to an intended surface for lubrication. The lubricant can contain a variety of other chemical agents to provide additional desired properties including surfactants, chelating agents, sanitizing agents, and others. The lubricant concentrate or use solution is especially useful on conveyor systems with moving beverage containers such as glass, metal or plastic containers.Type: GrantFiled: October 13, 1998Date of Patent: July 20, 1999Assignee: Ecolab Inc.Inventors: David Daniel McSherry, Guang-jong Jason Wei
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Patent number: 5681798Abstract: Lubricant and fuel compositions containing a small additive concentration of a novel organo-phosphorus composition based on phosphite-derived hydroxyl compounds and amine phosphates possess excellent antiwear properties coupled with good extreme pressure activities. Additional antioxidation, cleanliness, antifatigue, high temperature stabilizing, and friction modifying properties are expected. Both the phosphite-hydroxy moiety and the amine phosphate moiety are believed to provide the basis for the synergistic antiwear and EP property of these novel additives.Type: GrantFiled: August 1, 1996Date of Patent: October 28, 1997Inventors: Liehpao O. Farng, William F. Olszewski
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Patent number: 5595964Abstract: A composition of an oil of lubricating viscosity, an antioxidant, an anti-nitration agent, and optionally a borated product of an epoxide or the reactive equivalent of an epoxide, provides a desirable lubricant for diesel or natural gas-fueled engines. The composition is substantially free from metals and preferably substantially free from phosphorus. The amount of the antioxidant the anti-initration agent are sufficient to reduce the amount of varnish formation in a natural gas engine.Type: GrantFiled: September 1, 1995Date of Patent: January 21, 1997Assignee: The Lubrizol CorporationInventor: Ewa A. Bardasz
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Patent number: 5587217Abstract: A thin-film magnetic recording disc for use with a read/write head in a disc drive is disclosed. To reduce the static and dynamic frictional coefficients of the disc surface, the disc is coated with a lubricant layer composed of a mixture of a polyphenoxycyclotriphosphazene lubricant and a perfluoropolyether oil. Also disclosed is a lubricant composition containing these two components, as well as a method for improving the lubricating properties of a perfluoropolyether oil.Type: GrantFiled: June 30, 1995Date of Patent: December 24, 1996Assignee: HMT Technology CorporationInventors: James L. Chao, Yu-Cheun Lee, Chao Gao