With Organic -c(=o)o- Compound Patents (Class 508/440)
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Patent number: 6780824Abstract: Emulsifier system containing a) ethoxylates/propoxylates of fatty alcohols with 8 to 18 C atoms in the alcohol with 2 to 6 ethylene oxide units and 4 to 8 propylene oxide units, b) fatty alcohols and/or fatty alcohol propoxylates with 12 to 24 C atoms in the alcohol and 0 to 3 propylene oxide units and/or distillation residue of these fatty alcohols and c) phosphates, selected from: c1) mono- and/or diesters of phosphoric acid with alkanols with 10-20 C atoms, c2) mono- and/or diesters of phosphoric acid with ethoxylated and/or propoxylated alkanols with 10-20 C atoms and/or c3) phosphates of polyethylene glycol ethers and/or polypropylene glycol ethers, and the water-soluble salts of each of these, in a weight ratio a:b:c=1:0.3:0.1 to 1:4:1; anti-corrosive and emulsifier system with these components, emulsion concentrate with these components, oil-in-water emulsion obtainable therefrom and use thereof as a cleaning, anti-corrosive and low-temperature lubricant emulsion.Type: GrantFiled: October 31, 2002Date of Patent: August 24, 2004Assignee: Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)Inventors: Hans-Peter Oelscher, Juergen Geke
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Publication number: 20040147411Abstract: A synthetic ester comprising a reaction product of: (a) a polyol corresponding to formula I: 1Type: ApplicationFiled: March 12, 2004Publication date: July 29, 2004Inventors: Frank Bongardt, Ralf Christoph
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Publication number: 20040053793Abstract: A method of lubricating conveyor tracks or belts is herein described wherein the lubricant composition contains a polyalkylene glycol polymer, a fatty acid, and an anionic surfactant; also described is a lubricant composition with reduced sensitivity to low pHs. The composition may also comprise additional functional ingredients and be composed of ingredients that can be safely administered to humans and mammals.Type: ApplicationFiled: August 13, 2003Publication date: March 18, 2004Inventors: Minyu Li, Kimberly L.P. Hei, Amy McBroom
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Patent number: 6706670Abstract: This invention relates to novel water soluble metal working fluid compositions, their use to work metal, a process for working metal using such compositions and the metal worked article of manufacture. More particularly, this invention relates to fluid compositions useful in cutting, grinding, shaping and other metal working operations which require a lubricant. The terms “first Group A” and “second Group B” are used herein to denote different groups and not to indicate any sequence of use or selection as any possible combination or sequence of use of a component(s) is envisioned without limit of any kind. The disclosed fluid compositions are also anticorrosive and environmentally more acceptable than current oil based fluids.Type: GrantFiled: February 24, 1999Date of Patent: March 16, 2004Assignee: Solutia, Inc.Inventors: Dennis J. Kalota, Yueting Chou, Timothy K. Hirzel, David C. Silverman, Jacob S. Tou, Winsor R. Cho
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Patent number: 6652772Abstract: Disclosed are phosphate ester base fluids and aircraft hydraulic fluids containing mixed n-butyl/isobutyl phosphate ester components. The disclosed aircraft hydraulic fluids contain from about 30 to about 95 weight percent, based on the total weight of the fluid, of n-butyl diisobutyl phosphate or di-n-butyl isobutyl phosphate or a mixture thereof; from 0 to about 15 weight percent, based on the total weight of the fluid, of one or more triaryl phosphates; and an effective amount of a viscosity index improver, an acid control additive and an erosion inhibitor.Type: GrantFiled: May 1, 2001Date of Patent: November 25, 2003Assignee: ExxonMobil Research and Engineering CompanyInventors: Shlomo Antika, Marc-Andre Poirier
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Patent number: 6649080Abstract: Disclosed are phosphate ester base fluids and aircraft hydraulic fluids containing a novel combination of phosphate ester components. The disclosed aircraft hydraulic fluids contain from about 30 to about 45 weight percent, based on the total weight of the fluid, of tri-iso-butyl phosphate; from about 30 to about 45 weight percent, based on the total weight of the fluid, of tri-n-butyl phosphate; from about 10 to about 15 weight percent, based on the total weight of the fluid, of one or more triaryl phosphates; and an effective amount of a viscosity index improver, an acid control additive and an erosion inhibitor.Type: GrantFiled: September 28, 2001Date of Patent: November 18, 2003Assignees: ExxonMobil Research and Engineering Company, Chevron USA, Inc.Inventors: Mark E. Okazaki, Adrian D'Souza, Shlomo Antika
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Patent number: 6642187Abstract: This invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity, (A) at least one organic polysulfide comprising at least about 90% dihydrocarbyl trisulfide, from about 0.1% up to about 8% dihydrocarbyl disulfide, and less than about 5% dihydrocarbyl higher polysulfides, and (B) at least one overbased metal composition, at least one phosphorus or boron compound, or mixtures of two or more thereof. The invention also relates to concentrates and greases containing the above combination. The invention also relates to methods of making the organic polysulfide.Type: GrantFiled: December 24, 1996Date of Patent: November 4, 2003Assignee: The Lubrizol CorporationInventors: James J. Schwind, Ross L. Beebe
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Publication number: 20030148899Abstract: 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-accumulating (common rail) type diesel engine equipped with an EGR system. The lubricant oil composition containing a base oil composed of a mineral and/or synthetic oil incorporated with at least three additives that are a sulfurized oxymolybdenum dithiocarbamate at 0.03 to 0.50 wt. % as Mo; a zinc dialkyl dithiophosphate at 0.04 to 0.50 wt. % as P; and at least one metallic salt of alkyl salicylate selected from the group consisting of a Ca salt of alkyl salicylate at 0.004 to 1.0 wt. % as Ca, Mg salt of alkyl salicylate at 0.002 to 0.60 wt. % as Mg, and Zn salt of alkyl salicylate at 0.006 to 1.60 wt. % as Zn, all percentages being based on the whole composition.Type: ApplicationFiled: March 7, 2003Publication date: August 7, 2003Inventors: Toshiaki Kuribayashi, Nobuchika Kawagoishi, Satoshi Ogano
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Patent number: 6586376Abstract: A heat resistant lubricating oil composition which exhibits high heat resistance and oxidation resistance under high temperature conditions, and can withstand severe working conditions, as in jet engine turbines. The lubricating oil composition comprises a polyphenylthioether of formula I in a lubricating base oil, comprising any one of a polyol ester, a polyphenyl ether, an organopolysiloxane and mixtures thereof.Type: GrantFiled: April 14, 2000Date of Patent: July 1, 2003Assignee: ExxonMobil Research and Engineering CompanyInventors: Hiroshi Nakanishi, Ko Onodera, Makoto Kanbara, Atsuhisa Kobori, Yoshinobu Nakamura
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Publication number: 20030087770Abstract: Emulsifier system containing a) ethoxylates/propoxylates of fatty alcohols with 8 to 18 C atoms in the alcohol with 2 to 6 ethylene oxide units and 4 to 8 propylene oxide units, b) fatty alcohols and/or fatty alcohol propoxylates with 12 to 24 C atoms in the alcohol and 0 to 3 propylene oxide units and/or distillation residue of these fatty alcohols and c) phosphates, selected from: c1) mono- and/or diesters of phosphoric acid with alkanols with 10-20 C atoms, c2) mono- and/or diesters of phosphoric acid with ethoxylated and/or propoxylated alkanols with 10-20 C atoms and/or c3) phosphates of polyethylene glycol ethers and/or polypropylene glycol ethers, and the water-soluble salts of each of these, in a weight ratio a:b:c=1:0.3:0.1 to 1:4:1; anti-corrosive and emulsifier system with these components, emulsion concentrate with these components, oil-in-water emulsion obtainable therefrom and use thereof as a cleaning, anti-corrosive and low-temperature lubricant emulsion.Type: ApplicationFiled: October 31, 2002Publication date: May 8, 2003Inventors: Hans-Peter Oelscher, Juergen Geke
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Patent number: 6531429Abstract: The invention relates to improved compositions comprising thiophosphoric acid esters and dithiophosphoric acid esters or phosphoric acid thioesters and oil additives from the group of the polyol partial esters, amines and epoxides, and also to the use of those lubricant compositions in improving the performance properties of lubricants, such as greases, metal-working fluids, gear fluids or hydraulic fluids. Thiophosphoric acid esters and dithiophosphoric acid esters or phosphoric acid thioesters are present in the compositions preferably in a concentration of less than 400 ppm.Type: GrantFiled: August 17, 2001Date of Patent: March 11, 2003Assignee: Ciba Specialty Chemicals CorporationInventors: Michael Fletschinger, Peter Rohrbach, Peter Collen Hamblin, Dudley Clark, Marc Ribeaud
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Patent number: 6521142Abstract: The present invention relates to fire-resistant hydraulic fluids. More particularly, the invention relates to fire-resistant hydraulic fluid compositions comprising the combination of a trialkoxyalkyl-phosphate, a diluent selected from the group consisting of a natural triglyceride, a synthetic ester, and a polypropylene glycol, and a high molecular weight polymer.Type: GrantFiled: August 1, 2000Date of Patent: February 18, 2003Assignee: Houghton Technical Corp.Inventors: Rosauro V. Holgado, Richard Adams, Chan Talaty
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Patent number: 6403540Abstract: A composition for cleaning and lubricating automotive air conditioners contains a polyol ester lubricant, an antiwear and extreme pressure additive, and a solvent mixture of tetrafluoroethane and 2,3-dihydroperfluoropentane. An automotive air conditioning system and a method of its cleaning and operation with the cleaning and lubricating composition present in the system are presented.Type: GrantFiled: May 25, 2000Date of Patent: June 11, 2002Assignee: Wynn Oil CompanyInventor: Robert C. Richardson
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Publication number: 20020013233Abstract: A lubricant composition containing an anti-deposition component having an anti-deposition effect which is especially useful for the lubrication of refrigeration compressors and in reducing or removal of unwanted deposits in constricted areas in a refrigeration system.Type: ApplicationFiled: July 26, 2001Publication date: January 31, 2002Applicant: Imperial Chemical Industries PLCInventors: Stuart Corr, Steven James Randles, Peter Timothy Gibb
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Publication number: 20020010103Abstract: The present invention relates to a lubricating oil composition for use in industrial oils such as hydraulic oils, bearing oils, industrial gear oils and sliding surface lubricating oils.Type: ApplicationFiled: March 29, 2001Publication date: January 24, 2002Inventors: Himiko Takayama, Katsumi Umehara
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Patent number: 6319423Abstract: Disclosed are phosphate ester base fluids and aircraft hydraulic fluids containing a novel combination of phosphate ester components. The disclosed aircraft hydraulic fluids contain from about 30 to about 45 weight percent, based on the total weight of the fluid, of tri-iso-butyl phosphate; from about 30 to about 45 weight percent, based on the total weight of the fluid, of tri-n-butyl phosphate; from about 10 to about 15 weight percent, based on the total weight of the fluid, of one or more triaryl phosphates; and an effective amount of a viscosity index improver, an acid control additive and an erosion inhibitor.Type: GrantFiled: October 22, 1999Date of Patent: November 20, 2001Assignees: ExxonMobil Research & Engineering Co., Chevron U.S.A.Inventors: Mark E. Okazaki, Adrian D'Souza, Shlomo Antika
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Patent number: 6316394Abstract: A synthetic aqueous machining fluid admixture, that is free of sulfur containing and chlorine containing lubricants, and usable in heavy duty machining (e.g. stamping, punching and drawing) operations comprises a) water, b) a water soluble or dispersible fatty acid or water soluble or dispersible fatty acid salt, c) a water soluble or dispersible ethylene oxide propylene oxide copolymer having at least one terminal hydroxyl group or water soluble or dispersible derivative of an ethylene oxide propylene oxide copolymer and d) a water soluble or dispersible organic phosphate ester. Methods for heavy duty machining comprise the steps of applying a force to a workpiece by a tool contacting the workpiece and applying the synthetic aqueous fluid admixture to the interface between the tool and workpiece. The fluid exhibits safety and environmental advantages in use compared to prior art fluids comprising vanishing oils while providing equal or superior lubricity.Type: GrantFiled: January 29, 2001Date of Patent: November 13, 2001Assignee: Milacron Inc.Inventors: Myrna J. Morgan, Deli Gong
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Patent number: 6306801Abstract: 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 bissuccinimide, (B) 0.05 to 0.3% by mass of zinc dithiophosphate in terms of the phosphorus content, and (C) 0.5 to 4.0% by mass of metallic detergent in terms of the sulfated ash content, based on the total mass of the composition.Type: GrantFiled: October 21, 1999Date of Patent: October 23, 2001Assignee: Nippon Mitsubishi Oil CorporationInventors: Kazuhiro Yagishita, Yoko Matsuyama, Osamu Kurosawa
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Patent number: 6262000Abstract: The antiwear performance of power transmitting fluids, particularly continuously variable transmission fluids, is improved by incorporating an additive combination of amine phosphates, organic polysulfides, zinc salts of phosphorothioic acid esters and optionally a friction modifier.Type: GrantFiled: March 9, 1998Date of Patent: July 17, 2001Assignee: Exxon Chemical Patents IncInventors: Philip Reeve, Neville J Carter, Robert Walter Humphrey, Donald Glenn Young
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Patent number: 6254799Abstract: Disclosed are phosphate ester base fluids and aircraft hydraulic fluids containing mixed n-butyl/isobutyl phosphate ester components. The disclosed aircraft hydraulic fluids contain from about 30 to about 95 weight percent, based on the total weight of the fluid, of n-butyl diisobutyl phosphate or di-n-butyl isobutyl phosphate or a mixture thereof; from 0 to about 15 weight percent, based on the total weight of the fluid, of one or more triaryl phosphates; and an effective amount of a viscosity index improver, an acid control additive and an erosion inhibitor.Type: GrantFiled: November 4, 1999Date of Patent: July 3, 2001Assignee: ExxonMobil Research and Engineering CompanyInventors: Shlomo Antika, Marc-André Poirer
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Patent number: 6221274Abstract: A lubricant composition for a refrigerating machine employing a HFC type refrigerant containing at least one selected from the group consisting of HFC-32, HFC-125 and HFC-134a, which comprises a base oil of an ester formed from a dihydric or higher polyol as an alcohol and a monobasic aliphatic acid, alone or as a mixture thereof; and additives of, based on the total amount, 1) not less than 0.01 vol % and less than 1.0 vol % of a phosphate, 2) from 0.01 to 1.0 vol % of at least one of an alkylphosphorothionate and an arylphosphorothionate and 3) from 0.01 to 1.0 vol % of an epoxy compound.Type: GrantFiled: January 20, 1999Date of Patent: April 24, 2001Assignees: Mitsubishi Denki Kabushiki Kaisha, Nippon Mitsubishi Oil CorporationInventors: Yasushi Akahori, Noboru Masuda, Takeshi Izawa, Masayoshi Muraki, Kazuo Tagawa, Tomohiro Magome
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Patent number: 6191080Abstract: A heat resistant lubricating oil composition which exhibits high heat resistance and oxidation resistance under high temperature conditions, and can withstand severe working conditions, as in jet engines or gas turbines. The lubricating oil composition comprises a polyphenylthioether of formula {I} in a lubricating base oil, comprising any one of a polyol ester, dibasic acid ester, a polyphenyl ether, an organopolysiloxane and admixtures thereof.Type: GrantFiled: February 14, 1997Date of Patent: February 20, 2001Assignee: Tonen CorporationInventors: Hiroshi Nakanishi, Ko Onodera, Makoto Kanbara, Atsuhisa Kobori, Yoshinobu Nakamura
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Patent number: 6187723Abstract: A lubricant composition is described, particularly for engine oils, comprising a base oil of viscosity from 3 to 26 cSt (mm2/s) at 100° C. and an antiwear additive combination comprising (a) an oil soluble or oil dispersible phosphorus-free organo-molybdenum compound, (b) an ashless, sulfur-containing organo-phosphorus compound, and optionally (c) a zinc thiophosphate compound selected from one or more of zinc dialkyldithiophosphate, zinc diaiyldithiophosphate, zinc alkylaiyldithiophosphate and zinc arylalkyldithiophosphate. The molybdenum compound may be a carbamate, e.g., MoDTC but is preferably nitrogen-free, e.g., a carboxylate.Type: GrantFiled: December 12, 1997Date of Patent: February 13, 2001Assignee: Exxon Research and Engineering CompanyInventors: David Gary Lawton Holt, Patrick Desmond Fraser Vernon, John Ian Atherton
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Patent number: 6156228Abstract: The present invention relates to fire-resistant hydraulic fluids. More particularly, the invention relates to fire-resistant hydraulic fluid compositions comprising the combination of a trialkoxyalkyl-phosphate, a diluent selected from the group consisting of a natural triglyceride, a synthetic ester, and a polypropylene glycol, and a high molecular weight polymer.Type: GrantFiled: November 16, 1994Date of Patent: December 5, 2000Assignee: Houghton International, Inc.Inventors: Rosauro V. Holgado, Richard Adams, Chan Talaty
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Patent number: 6100226Abstract: Improved grease compositions comprise a major amount of an oil based metal soap thickened base grease selected from the group consisting of simple metal soap thickened base grease, complex grease and failed complex grease, at least one sulfur and phosphorus containing composition, an overbased metal salt of an organic acid, a hydrocarbyl phosphite, and an aliphatic group substituted carboxylic acid or anhydride thereof, wherein the aliphatic group contains at least about 12 carbon atoms in amounts sufficient to increase the dropping point of the base grease, as measured by ASTM Procedure D-2265 by at least 15.degree. C., the phosphorus and sulfur compound being described in detail herein.Type: GrantFiled: May 20, 1998Date of Patent: August 8, 2000Assignee: The Lubrizol CorporationInventors: Edward J. Konzman, Gary W. Wiggins
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Patent number: 6063742Abstract: Improved grease compositions comprise a major amount of an oil based metal soap thickened base grease selected from the group consisting of simple metal soap thickened base grease, complex grease and failed complex grease, at least one metal salt of a sulfur and phosphorus containing acid, an overbased metal salt of an organic acid, a hydrocarbyl phosphite, and optionally, an aliphatic group substituted carboxylic acid, anhydride thereof and aliphatic group substituted lactone, wherein the aliphatic group contains at least about 8 carbon atoms in amounts sufficient to increase the dropping point of the base grease, as measured by ASTM Procedure D-2265 by at least 15.degree. C.Type: GrantFiled: March 1, 1999Date of Patent: May 16, 2000Assignee: The Lubrizol CorporationInventor: Edward J. Konzman
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Patent number: 5817606Abstract: Polymer compositions derived from selected alkyl (meth)acrylate ester monomers used in certain weight ratios to provide improved viscosity control and low temperature performance characteristics in phosphate ester aircraft hydraulic fluids is disclosed. Polymer compositions for use as viscosity index improving additives in aircraft hydraulic fluids contain from 40 to 100 weight percent (C.sub.1 -C.sub.10)alkyl (meth)acrylate and zero to 60 weight percent (C.sub.11 -C.sub.20)alkyl (meth)acrylate monomer units. Preferred polymer compositions based on 40 to 70 weight percent (C.sub.1 -C.sub.10)alkyl (meth)acrylate and 30 to 60 weight percent (C.sub.11 -C.sub.15)alkyl (meth)acrylate monomer units combine good solubility in the phosphate ester hydraulic fluids with good viscosity control at low and high temperatures.Type: GrantFiled: July 24, 1997Date of Patent: October 6, 1998Assignee: Rohm and Haas CompanyInventors: Bernard George Kinker, Robert Howard Gore, Charles William Hyndman, Bridget Marie Stevens
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Patent number: 5798322Abstract: A friction-modifying additive composition for a slideway lubricant comprising a mixture of at least one polymeric ester of certain dibasic and monobasic acids with selected organo phosphorus compounds.Type: GrantFiled: August 30, 1996Date of Patent: August 25, 1998Assignee: Gateway Additive CompanyInventors: William Brannen, Aaron Myers, Harish Patel, Philip R. Miller
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Patent number: 5763371Abstract: Improved lubricating oil for high pressure polyethylene compressors contains white mineral oil or synthetic oil blended with oleic acid in an amount less than 15 wt %, and preferably 0.5-5 wt. %, an EP additive such as a phosphorus containing compound made by phosphating mono or diglycerides derived from vegetable oils and having one or two neutralized acid sites, and no more than 1.0 wt. %, and preferably no more than 0.1 wt. %, of an antioxidant of the phenolic type, and a polybutene viscosity builder in the amount necessary to achieve the expected or desired viscosity. The lubricating compressor oil according to the invention has improved lubricity and gives wear protection over the whole range of lubricating regimes including EP conditions.Type: GrantFiled: October 18, 1996Date of Patent: June 9, 1998Assignee: Witco CorporationInventors: Anna Debska-Chwaja, Albert Benson, Paul G. Tietze
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Patent number: 5744053Abstract: A lubricating oil additive contains a partially etherified polyhydric alcohol which has at least two hydroxyl groups and at least one hydrocarbon group having a least one double bond bonded thereto through an ether linkage as an active component. The lubricating additive is added to a lube base oil to form a lubricating oil which imparts excellent wear resistance, scarcely corrodes metallic substances, scarcely swells rubbers or resins and scarcely forms sludge due to thermal oxidation. The lubricating oil is mixed with a refrigerant to give a working fluid suitable for refrigerant compressors of domestic refrigerators, automotive room air conditioners, refrigerators for industrial use and air conditioners.Type: GrantFiled: June 6, 1997Date of Patent: April 28, 1998Assignee: Japan Energy CorporationInventor: Takashi Kaimai
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Patent number: 5552067Abstract: A method and compositions are presented to provide a functional fluid with an increased thermal stability in the absence of oxygen, the functional fluid base comprising from about 5% to 100% by weight of a triester of a phosphorus acid and from 0% to 95% by weight of a fluid selected from the group consisting of C10-C20 paraffin hydrocarbons, C10-C.degree.aromatic hydrocarbons, C8-C15 dialkyl ethers, C8-C15 N,N dialkyl amides, esters of mono- and di-carboxylic acids, and mixtures thereof, the improvement comprising incorporating into the fluid a compound selected from the group consisting of tetrahydronaphthalene and decahydronaphthalene in sufficient quantity to provide an increased stability to high temperature in the absence of oxygen.Type: GrantFiled: April 22, 1994Date of Patent: September 3, 1996Assignee: FMC CorporationInventor: Douglas G. Placek