Ether Or Thioether Chalcogen Attached Indirectly To The -c(=o)o- Groups (e.g., Polyethyleneglycol Esters, Etc.) Patents (Class 508/494)
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Patent number: 11932824Abstract: The present invention relates to a method of inhibiting corrosion experienced during use of a base oil or lubricant by the addition of a polyester corrosion inhibitor. More especially, the polyester corrosion inhibitor is the reaction product of an alk(en)yl substituted succinic anhydride wherein the average number of succinic groups per alk(en)yl group is less than 3.0, and at least one polyol. There is also provided a composition comprising such a polyester corrosion inhibitor and use of such a composition as a corrosion inhibitor, as well as a base oil or lubricant comprising such a polyester corrosion inhibitor.Type: GrantFiled: September 30, 2020Date of Patent: March 19, 2024Assignee: EQUUS UK TOPCO LTDInventors: Helen Rachel Sarginson, Makaye Tabibi
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Patent number: 10130092Abstract: A defoaming adjuvant comprises a solid particulate carrier and a polyalkylene glycol adsorbed on to the solid particulate carrier, where the polyalkylene glycol is a reaction product of an alkyl alcohol initiator with 1, 2-butylene oxide and, optionally, propylene oxide.Type: GrantFiled: December 2, 2014Date of Patent: November 20, 2018Assignee: Dow Global Technologies LLCInventors: Ling Zhong, Jing Ji, Jianhai Mu
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Patent number: 9006160Abstract: A lubricating oil composition comprising (a) a major amount of an oil of lubricating viscosity; and (b) an oil soluble epoxide compound having the following structure: wherein X is hydrogen or a substituted or unsubstituted C1 to C20 hydrocarbyl group, wherein the substituted hydrocarbyl group is substituted with one or more substituents selected from hydroxyl, alkoxy, ester or amino groups and Y is —CH2OR, —C(?O)OR1 or —C(?O)NHR2, wherein R, R1 and R2 are independently hydrogen or C1 to C20 alkyl or alkenyl groups; and further wherein the oil of lubricating viscosity does not contain a carboxylic acid ester.Type: GrantFiled: October 11, 2013Date of Patent: April 14, 2015Assignee: Chevron Oronite Company LLCInventor: Patrick J. McDougall
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Patent number: 8980809Abstract: The cutting of semiconducting crystals with a wire saw is facilitated with a cutting fluid comprising a polyalkylene glycol neutralized with an un-neutralized or partially neutralized polymeric acid that has a molecular weight of 500 to 1,000,000 and contains more than three acid groups per molecule.Type: GrantFiled: October 16, 2009Date of Patent: March 17, 2015Assignee: Dow Global Technologies LLCInventors: Wanglin Yu, Daniel A. Aguilar, John B. Cuthbert, Linda Yi-Ping Zhu
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Publication number: 20140256607Abstract: The present invention provides a lubricating oil composition having an extremely high viscosity index and a low coefficient of traction as a low coefficient of fluid friction in an elastohydrodynamic lubrication which is excellent in saving of energy and reduction in fuel consumption. The lubricating oil composition according to the present invention includes the following components (A) and (B): (A) a low-viscosity synthetic oil comprising a compound containing ether bond(s) in a molecule thereof and having a kinematic viscosity of less than 10 mm2/s as measured at 40° C., in which a ratio of the number of oxygen atoms to the number of carbon atoms as constituents of the compound (O/C ratio) and the kinematic viscosity (mm2/s) of the compound as measured at 40° C. satisfy the following formula (1); Kinematic Viscosity at 40° C.?12?[(O/C ratio)×30] (1); and (B) a high-viscosity synthetic oil as a hydrocarbon-based synthetic oil having a kinematic viscosity of 40 mm2/s or more as measured at 100° C.Type: ApplicationFiled: October 24, 2012Publication date: September 11, 2014Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Yoshitaka Tamoto, Toshiyuki Tsubouchi
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Patent number: 8809243Abstract: Water-based lubricants for the lubrication of frictional partners in drive elements, as well as their use. In particular, a water-based lubricant that contains 5 to 80% by weight of water-soluble polyalkylene glycol that is selected from the group that is composed of statistically distributed polyoxyethylene units and/or polyoxypropylene units and/or other polyoxyalkylene components, a block polymer that that is composed of polyoxyethylene units and/or polyoxypropylene units and/or other polyoxyalkylene components, 0.5 to 20% by weight of foaming or non-foaming emulsifiers from the class of anionic, non-ionic, or cationic surfactants, water-soluble or water-emulsifiable carboxylic acid esters, 0.5 to 50% by weight of anti-icing additives, selected from the group that is composed of alkylene glycol, glycerol, salts or ionic liquids, 0.05 to 10% by weight of corrosion additives, 0.001 to 1% by weight of additives for preventing the formation of foam, and 0.Type: GrantFiled: August 23, 2010Date of Patent: August 19, 2014Assignee: Klüber Lubrication München KGInventors: Martin Schmid-Amelunxen, Martin Schweigkofler, Thomas Kilthau, Jochen Muehlemeier
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Patent number: 8486871Abstract: A lubricating oil for a compression-type refrigerator using a hydrofluorocarbon refrigerant including a polyvinyl ether-based compound containing in the molecule an alkylene glycol unit or a polyoxyalkylene glycol unit and a polyvinyl ether unit and having a molecular weight in the range of 300 to 3,000, and a refrigeration apparatus using the lubricating oil. The present invention can provide a lubricating oil for a compression-type refrigerator having good compatibility in the atmosphere of a hydrofluorocarbon and a high viscosity index, and a refrigeration apparatus using such a lubricating oil.Type: GrantFiled: March 4, 2008Date of Patent: July 16, 2013Assignee: Idemitsu Kosan Co., Ltd.Inventors: Satoshi Nagao, Izumi Terada, Nobuaki Shimizu, Masato Kaneko
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Patent number: 8153569Abstract: Disclosed is lubricant base oil that is excellent in lubricity, sludge solubility, low viscosity, and low temperature characteristics and capable of realizing low volatility. The lubricant base oil contains as its main component a diester or triester synthesized from a divalent or trivalent carboxylic acid of 9 or less carbon atoms and a monovalent glycol ether such as an alkylene glycol monoalkyl ether of 3 to 25 carbon atoms and is useful as base oil for lubricating oil and grease. Di(hexyloxyethyl) adipate may be cited as an appropriate example of the diester.Type: GrantFiled: March 27, 2007Date of Patent: April 10, 2012Assignee: Nippon Steel Chemical Co., Ltd.Inventors: Tadashi Kuratomi, Katsumi Nagano
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Patent number: 8067345Abstract: A refrigerator oil composition includes: a synthetic base oil; and a partial hydrocarbyl ether of an aliphatic polyhydric alcohol condensate, in which the aliphatic polyhydric alcohol condensate includes a condensate of 4 to 20 molecules of a hindered glycol and/or an aliphatic polyhydric alcohol having 3 to 6 hydroxyl groups. The refrigerator oil composition is preferably used in a compression refrigerator that uses a hydrofluorocarbon, a natural refrigerant such as a hydrocarbon, carbon dioxide, or ammonia, a mixed refrigerant of fluoroiodomethane and propene, an unsaturated fluorinated hydrocarbon, a fluorinated ether, a fluorinated alcohol, a fluorinated ketone, or a mixture thereof as a refrigerant, has a low coefficient of friction, and is excellent in energy-saving property.Type: GrantFiled: November 5, 2007Date of Patent: November 29, 2011Assignee: Idemitsu Kosan Co., Ltd.Inventors: Takeo Tokiai, Masato Kaneko, Hiroaki Koshima
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Patent number: 7985719Abstract: The invention relates to a cutting and lubricating suspension composition containing gelatinous particles for cutting hard and brittle material with a wire saw. The composition contains an in situ partially neutralized polyelectrolyte and a glycol which suspends abrasive particles used in the cutting operation.Type: GrantFiled: April 28, 2008Date of Patent: July 26, 2011Inventor: Irl E. Ward
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Patent number: 7612024Abstract: This invention pertains to polyalkylene glycol based polymers with enhanced high temperature stability. More particularly, the invention pertains to compositions with enhanced high temperature stability comprising a polyalkylene glycol based polymer and an anionic surfactant.Type: GrantFiled: December 22, 2004Date of Patent: November 3, 2009Assignee: Ecolab Inc.Inventors: Minyu Li, Kimberly Person Hei, Amy McBroom
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Patent number: 6759372Abstract: According to the invention there is provided a liquid friction control composition with enhanced retentivity comprising an anti-oxidant. The liquid friction control composition may also comprise other components such as a retentivity agent, a rheological control agent, a friction modifier, a lubricant, a wetting agent, a consistency modifier, and a preservative.Type: GrantFiled: April 12, 2002Date of Patent: July 6, 2004Assignee: Kelsan Technologies Corp.Inventor: John Cotter
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Publication number: 20030130142Abstract: The invention relates to an aqueous mixture of esters and acids from the reaction of at least one polyhydric alcohol and at least one monoacid and at least one diacid coupled with a surfactant and an effective amount of base to solubilize the mixture.Type: ApplicationFiled: August 15, 2002Publication date: July 10, 2003Inventor: Duong N. Nguyen
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Patent number: 6544937Abstract: A lubricating composition containing naphthenic basestocks has demulsification properties improved by the addition of a demulsification additive selected from oxyalkylated glycols, esters of oxyalkylated glycols and mixtures thereof.Type: GrantFiled: March 22, 2002Date of Patent: April 8, 2003Assignee: ExxonMobile Research and Engineering CompanyInventors: William Donald Hewson, Terrence Edward Addley
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Patent number: 6267906Abstract: A high quality lubricant for heavy duty service air conditioner and refrigerator compressors, especially those using chlorine free hydrofluorocarbon refrigerant working fluids, is provided by mixed esters of hindered polyols, most desirably di-pentaerythritol, usually mixed with some pentaerythritol, with a mixture of carboxylic acids including at least some of each of iso-pentanoic acid and iso-nonanoic acid.Type: GrantFiled: April 9, 1999Date of Patent: July 31, 2001Assignee: Henkel CorporationInventors: Nicholas E. Schnur, Eugene R. Zehler
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Patent number: 5855662Abstract: Aqueous pigment preparations comprisinga) 10 to 80% by weight, in particular 20 to 60% by weight, of a pigment,b) 0.1 to 20% by weight, in particular 0.1 to 15% by weight, of an oxyalkylation product which is obtained by addition of optionally substituted styrenes onto optionally substituted phenols and reaction with ethylene oxide and/or propylene oxide,c) 2 to 30% by weight of a polyether-polyol having a boiling point under normal pressure of greater than 150.degree. C. andd) if appropriate further additives, and water as the remainder,which are particularly suitable for pigmenting naturally occurring and synthetic materials, such as emulsion paints, emulsion coatings and emulsion printing inks, have been found.Type: GrantFiled: March 26, 1996Date of Patent: January 5, 1999Assignee: Bayer AktiengesellschaftInventors: Achim Brand, Josef Leitermann, Roger Nyssen, Klaus Schubert, Erhard Schuffenhauer, Karlheinz Wieser, Herbert Wigger
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Patent number: 5620950Abstract: The objective of the present invention resides in providing a lubricant for refrigerators that reacts rapidly with free acids and contains a stabilizer that has good compatibility with a chlorine-free Flon-thpe coolant such as Flon 134a and the like whose molecules do not contain chlorine. The lubricant for refrigerators employing a chlorine-free Flon-type coolant in accordance with the present invention 100 parts by weight of a synthetic oil and is compounded with 0.05 to 15 parts by weight of an alicyclic epoxy compound having one or more functional groups represented by the following formula: ##STR1## (wherein R.sub.1 and R.sub.2 independently represent a hydrogen or methyl group, and may be the same or different).Type: GrantFiled: August 8, 1995Date of Patent: April 15, 1997Assignee: Asahi Denka Kogyo K.K.Inventors: Tamiji Kamakura, Noriyoshi Tanaka, Kimiyoshi Namiwa, Yukio Tatsumi, Masato Namiki