Organic Compounds Of Nonmetals Other Than C, H, O, And N Patents (Class 252/78.1)
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Patent number: 7641813Abstract: Disclosed is an antifreeze composition comprising a) a water soluble liquid alcohol freezing point depressant, b) a triazine based compound of formula I, c) a mixture of tolutriazole compounds of formulae II and III, d) 2-ethylhexanoic acid or alkali metal salts thereof, e) heptanoic acid or alkali metal salts thereof and f) water, where the compounds of formula I are where Z is a C1-C11 alkylene group, X is hydrogen or an alkali metal, R1 and R2, independently are hydrogen or methyl, R3 is a group —NR4R5 where R4 is C1-C12 alkyl or -Z-COOX and R5 is hydrogen or C1-C12 alkyl; and where the compounds of formulae II and III areType: GrantFiled: September 29, 2008Date of Patent: January 5, 2010Assignee: Ciba CorporationInventors: Anil Choudhary, Mouhcine Kanouni
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Publication number: 20090305876Abstract: Various uses of fluorinated alkenes, particularly HFO-1234 and HFCO-1233zd in a variety of applications, including refrigeration, foams, blowing agents, aerosols, propellants, solvent compositions, fire extinguishing and suppressing agents, extraction agents and catalyst deposition are disclosed.Type: ApplicationFiled: January 9, 2009Publication date: December 10, 2009Applicant: Honeywell International, Inc.Inventors: Rajiv Ratna Singh, Ian Shankland, Raymond H. Thomas, Gary Knopeck, David J. Williams
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Publication number: 20090289215Abstract: The present invention relates to an antifreeze coolant composition, and particularly to an antifreeze coolant composition comprising mercaptobenzothiazole as a heat-oxidation resistant agent, alkylbenzoate as a heat-oxidation resistant enhancer and dinonylnaphthalene sulfate as an anti-settling agent.Type: ApplicationFiled: November 25, 2008Publication date: November 26, 2009Applicants: Hyundai Motor Company, Kia Motors CorporationInventor: Dae Yun Bae
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Publication number: 20090156702Abstract: The invention pertains to azeotrope-like compositions of 1,1,2,3,3-pentafluoropropene (HFC-1225yc) and any one of 1,1,1,2-tetrafluoropropene (HFC-1234yf) or the Z-isomer of 1,1,1,2,3-pentafluoropropene (HFC-1225yeZ), and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.Type: ApplicationFiled: December 13, 2007Publication date: June 18, 2009Inventors: Ryan J. Hulse, Hang T. Pham, Rajiv R. Singh
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Publication number: 20090081475Abstract: The instant invention relates to storage stable aqueous solutions of stilbene optical brighteners with polyvinyl alcohols which can be directly used by the papermaker in that they may be diluted with water and/or be metered directly into a coating composition, to provide coated papers of a particularly high whiteness.Type: ApplicationFiled: April 5, 2006Publication date: March 26, 2009Inventors: Andrew Clive Jackson, Alec Stewart Tindal, Mariela Gauto
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Publication number: 20090056349Abstract: Disclosed herein are 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexene compositions for use in refrigeration and air conditioning systems, particularly in centrifugal compressor systems. Also disclosed are 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexene in combination with at least one bromofluorocarbon, ketones, alcohols, chlorocarbons, ethers, esters, 4-chloro-1,1,2,3,3,4-hexafluorobutene, N-(difluoromethyl)-N,N-dimethylamine, or mixtures thereof, which are azeotropic or near azeotropic.Type: ApplicationFiled: November 3, 2008Publication date: March 5, 2009Inventors: Mario Joseph Nappa, Barbara Haviland Minor, Velliyur Nott Mallikarjuna Rao
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Patent number: 7485734Abstract: A method of making 3-alkoxytetraalkylene sulfone. The method includes mixing an alcohol and a catalyst to form a first mixture. Alkadiene sulfone is reacted with the first mixture to form a reaction product. The reaction product is contacted with water at conditions sufficient to provide an organic phase and an inorganic phase. Subsequent to contacting the reaction product with water, the organic phase and inorganic phase are separated from one another.Type: GrantFiled: January 28, 2005Date of Patent: February 3, 2009Assignee: Afton Chemical CorporationInventors: Abbas Kadkhodayan, Nubar Ozbalik
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Patent number: 7404911Abstract: The present invention relates to heat-transfer concentrates for solar installations, containing a) from 92 to 99% by weight of at least one polyglycol of the formula R—O—(CH2—CH2—O)n—H, in which n is an integer of from 3 to 500 and R is H, a C1- to C4-alkyl group or an aromatic radical having 6 to 12 carbon atoms, b) from 1 to 8% by weight of at least one corrosion inhibitor, with the proviso that its content of ethylene glycol and 1,2-propylene glycol is less than 0.2% by weight.Type: GrantFiled: February 2, 2007Date of Patent: July 29, 2008Assignee: Clariant International Ltd.Inventors: Markus Hafner, Achim Stankowiak, Johann Schuster, Stefan Mauerberger
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Patent number: 7390427Abstract: The present invention provides an apparatus comprising a device and a mechanism for heat transfer comprising a hydrofluoroether heat-transfer fluid wherein the heat transfer fluid is represented by the following structure: Rf—O—Rh—O—Rf? wherein O is oxygen; Rf and Rf? are, independently, a fluoroaliphatic group, wherein each Rf and Rf? contain 1 hydrogen atom; Rh is independently a linear, branched or cyclic alkylene group having from 2 to about 8 carbon atoms and at least 4 hydrogen atoms, and wherein the hydrofluoroether compound is free of —O—CH2—O—. Another embodiment of the present invention is a method therefor.Type: GrantFiled: September 28, 2006Date of Patent: June 24, 2008Assignee: 3M Innovative Properties CompanyInventors: Michael G. Costello, Richard M. Flynn, Frederick E. Behr
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Patent number: 7306750Abstract: The application of carboxylate salts for storing thermal energy is disclosed. The invention is directed to methods for the storage and use of thermal energy comprising contacting mixtures of alkali metal salts or alkali earth metal salts of carboxylic acids, storing the thermal energy in the mixture, containing the mixture in a suitable heat exchange system and using the stored thermal energy in the heat exchange system.Type: GrantFiled: May 17, 2001Date of Patent: December 11, 2007Assignee: Texaco Inc.Inventors: Jean-Pierre Maes, Serge Lievens, Peter Roose
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Patent number: 7270768Abstract: Deicing compositions comprised of glycerol-containing by-products of triglyceride processing processes are disclosed.Type: GrantFiled: April 26, 2005Date of Patent: September 18, 2007Assignee: MLI Associates, LLCInventors: Richard Sapienza, Axel Johnson, William Ricks
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Patent number: 7252780Abstract: Compositions of 1.1.1,2,2,4,5,5,5-nonafluoro-4 (trifluoromethyl)-3 pentanone can be used in heat transfer refrigeration and air conditioning systems. The compositions may be in combination with fluoroethers. The compositions may be azeotropic or near azeotropic.Type: GrantFiled: February 22, 2005Date of Patent: August 7, 2007Assignee: E.I. du Pont de Nemours and CompanyInventors: Barbara Haviland Minor, Mario J. Nappa, Allen C. Sievert, Thomas J. Leck
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Patent number: 7128133Abstract: The present invention provides an apparatus comprising a device and a mechanism for heat transfer comprising a hydrofluoroether heat-transfer fluid wherein the heat transfer fluid is represented by the following structure: Rf—O—Rh—O—Rf? wherein: O is oxygen; Rf and Rf? are, independently, a fluoroaliphatic group, wherein each Rf and Rf? contain 1 hydrogen atom; Rh is independently a linear, branched or cyclic alkylene group having from 2 to about 8 carbon atoms and at least 4 hydrogen atoms, and wherein the hydrofluoroether compound is free of —O—CH2—O—. Another embodiment of the present invention is a method therefor.Type: GrantFiled: December 16, 2003Date of Patent: October 31, 2006Assignee: 3M Innovative Properties CompanyInventors: Michael G. Costello, Richard M. Flynn, Frederick E. Behr
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Patent number: 7055579Abstract: The present invention comprises a compound represented by the following structure: Rh?(O—Rf)m wherein: m=3–4 Rf is, independently, a perfluoroaliphatic group; Rh? is independently a linear or branched hydrocarbon with from 3 to about 8 carbon atoms. Another embodiment is an apparatus comprising a device and a mechanism for heat transfer comprising a hydrofluoroether heat-transfer fluid. Another embodiment of the present invention is a method for heat transfer.Type: GrantFiled: January 27, 2005Date of Patent: June 6, 2006Assignee: 3M Innovative Properties CompanyInventors: Michael G. Costello, Richard M. Flynn, Frederick E. Behr
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Patent number: 7018559Abstract: A phosphate ester-based functional fluid composition that generates reduced levels of carboxylic acid during use by incorporating at least one acid scavenger selected from the epoxides of the invention. The phosphate ester-based functional fluids are particularly useful as hydraulic fluids.Type: GrantFiled: May 8, 2001Date of Patent: March 28, 2006Assignee: Solutia Inc.Inventors: Jingen Zhang, Mark E. Jason, Terry C. Wolfe
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Patent number: 6953082Abstract: The present invention comprises a compound represented by the following structure: Rf—O—Rh—O—Rf? wherein: O is oxygen; Rf and Rf? are, independently, a perfluoroaliphatic group; and Rh is independently a linear, branched or cyclic alkylene group having from 2 to about 8 carbon atoms and at least 4 hydrogen atoms, and wherein the hydrofluoroether compound is free of —O—CH2—O—. Another embodiment is an apparatus comprising a device and a mechanism for heat transfer comprising a hydrofluoroether heat-transfer fluid. Another embodiment of the present invention is a method for heat transfer.Type: GrantFiled: December 16, 2003Date of Patent: October 11, 2005Assignee: 3M Innovative Properties CompanyInventors: Michael G. Costello, Richard M. Flynn, Frederick E. Behr
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Patent number: 6916430Abstract: This is a superconducting heat transfer medium which may be placed in a a conduit to rapidly and efficiently transfer heat.Type: GrantFiled: September 8, 2000Date of Patent: July 12, 2005Assignee: New Qu Energy Ltd.Inventor: Yuzhi Qu
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Patent number: 6852680Abstract: This invention relates to a low cost, wear inhibitor containing novel dithiocarbamates with alkylthio and hydroxy substituents that can be used to formulate low phosphorus lubricants. In addition to wear inhibition, the dithiocarbamate compositions of the invention provide substantial oxidation protection to lubricating oils and are not detrimental to fuel economy.Type: GrantFiled: October 26, 2001Date of Patent: February 8, 2005Assignee: Ethyl CorporationInventor: Vincent James Gatto
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Patent number: 6828286Abstract: 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 different and are each independently a hydrocarbon group having 8 to 30 carbon atoms, R3 and R4 may be the same or different and are each independently a hydrocarbon group having 1 to 4 carbon atoms, R5 is hydrogen or a hydrocarbon group having 1 to 30 carbon atoms, n is an integer from 1 to 7. The lubricant compositions have a long-lasting anti-shudder property, an enhanced transmission capacity for a wet clutch, and an excellent shifting property.Type: GrantFiled: April 10, 2003Date of Patent: December 7, 2004Assignee: Nippon Mitsubishi Oil CorporationInventors: Kenichi Komiya, Naozumi Arimoto, Noboru Ishida, Shinichi Shirahama, Eitaro Morita
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Patent number: 6818147Abstract: Antifreeze concentrates based on alkylene glycols or derivatives thereof or on glycerol, comprising from 0.0005 to 0.1% by weight of the dye C.I. Reactive Violet 5 (Color Index No. 18097), based on the total amount of the concentrate.Type: GrantFiled: October 2, 2003Date of Patent: November 16, 2004Assignee: BASF AktiengesellschaftInventors: Bernd Wenderoth, Ladislaus Meszaros, Uwe Nitzschke, Stefan Dambach
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Patent number: 6814882Abstract: A fabric coating composition with latent heat effects and a method for fabricating the same are provided. The composition at least includes 1 part of the polymer binder, the hydrophilic microcapsule aqueous solution and the thickener, wherein the hydrophilic microcapsule aqueous solution contains 1 to 40 parts of microcapsules and the weight percentage of the thickener is about between about 2% and 12% based on the weight of the microcapsules. The water percentage of the composition is about between about 30% and 70%. The method for fabricating the composition comprises mixing the polymer binder, the hydrophilic microcapsule aqueous solution and thickener together and then stirring the composition mixture until the viscosity of the composition exceeding 6000 cps. The solution is allowed to set for between about 6 minutes and 10 hours, prior to application in fabric coating.Type: GrantFiled: July 7, 2003Date of Patent: November 9, 2004Assignee: China Textile InstituteInventors: Yen-Hsi Lin, Chun-Hung Lin, Lien-Hua Chiu, Shu-Lan Yao, Cheng-Chu Lin
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Patent number: 6783693Abstract: Hydraulic fluids, in particular brake fluids for motor vehicles, comprising from 0.01 to 50 wt % of one or more cyclic carboxylates, or cyclic carboxamides, which can carry a linear or branched C1-bis C20 alkyl group on the nitrogen atom.Type: GrantFiled: October 18, 2001Date of Patent: August 31, 2004Assignee: BASF AktiengesellschaftInventors: Bayram Aydin, Uwe Fidorra, Arthur Höhn, Ladislaus Meszaros, Jan Nouwen, Knut Oppenländer, Michael Roida, Michael Stösser, Bernd Wenderoth
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Patent number: 6746620Abstract: Use of one or more fluorinated liquids as dielectric working fluids in plants or heat transfer circuits comprising parts formed by polymer compound in contact with said fluids, said fluorinated liquids having: boiling point in the range 50° C.-250° C., formula R′—Rf—R (I) wherein: R, Rf and R′ are as defined in the description.Type: GrantFiled: December 31, 2002Date of Patent: June 8, 2004Assignee: Ausimont S.p.A.Inventors: Patrizia Maccone, Rossella Silvani
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Patent number: 6676848Abstract: Corrosion protection of magnesium and aluminum alloys in engine coolants and heat-exchange fluids is achieved by the use of a select group of aliphatic and aromatic carboxylate acids or the alkaline metal, ammonium or amine salts thereof in combination with a fluoride and/or a fluorocarboxylic acid or salt thereof. These compositions have been found to significantly improve the high temperature magnesium corrosion protection properties of coolants, and are of use in automobile engine coolant systems.Type: GrantFiled: November 15, 2001Date of Patent: January 13, 2004Assignees: Texaco Inc., Texaco Development CorporationInventors: Jean-Pierre Leopold Maes, Serge Stefan Lievens
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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: 6635189Abstract: The ER fluid comprising water-soluble starch as conductive particles contains less than 5 wt % water. The ER fluid of the present invention comprises water-soluble starch as a conductive particle which is dispersed in non-conductive media. The ER fluid of the present invention exhibits a considerable ER effect, even though the amount of water contained in the ER fluid is reduced. Thus, it can be widely applicable to water-sensitive damping devices and power devices such as a suspension system, a vibration damper or an engine mount, a break, a clutch, and so forth. And it is feasible for various fields such as an automatic and an aerospace industry.Type: GrantFiled: February 16, 2001Date of Patent: October 21, 2003Assignee: Agency for Defense DevelopmentInventors: Moon-Suk Suh, Min-Jae Shin, Kyo-Jun Choi, In-sik Han, Sun-Kyu Jeong, Seung-Bok Choi, Kum-Gil Sung, Ho-Guen Lee
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Patent number: 6624123Abstract: A hydraulic oil, a predominant amount of an oil having a viscosity suitable for lubrication, and from 0.03% to 0.06% of an agent improving filterability, corresponding to the formula R—Z. Z represents an ester of succinic acid comprising the reaction product of a succinic anhydride and an aliphatic polyhydric alcohol; or a succinimide comprising the reaction product of a succinic anhydride and a polyamine, the said reaction product being treated with an after-treatment agent. R represents a polyolefin having a molecular weight (Mn) of 500 to 2500 and an Mw/Mn ratio of 1 to 5.Type: GrantFiled: December 11, 1998Date of Patent: September 23, 2003Assignee: Chevron Chemical S.A.Inventors: Olivier Pascal Marie Clement, Christophe Le Sausse, Dominique Batelier, Jacques Cazin
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Patent number: 6558569Abstract: Low viscosity functional fluid compositions particularly useful as brake fluids in anti-lock brake systems comprising a borate ester component, an alkoxy glycol component and an additive package which includes a corrosion inhibitor.Type: GrantFiled: November 10, 2000Date of Patent: May 6, 2003Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: Tammy Tyler Shannon, Brian Terry Keen, James Leonard Hansen, Pearl Lesley Crossen
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Publication number: 20030071241Abstract: The present invention relates to environmentally safe low corrosive de-icers and the manufacturing method thereof, and more particularly, to environmentally safe low corrosive de-icers and the manufacturing method thereof, wherein said de-icers comprise calcium chloride (CaCl2.2H2O) as an active ingredient, along with a food stabilizer and a vegetable calcium as additives for anti-corrosion and a soil property improver as an ice-melting promoter thus having a much improved anti-corrosion property for metal such as steel structure as compared to conventional low de-icers, enabling to eliminate the danger of environmental contamination by using ingredients environmentally safe to plants and soils, and also enabling to mix the ingredients of the composition more uniformly during manufacture while retaining the essential property of fast solubility as a de-icer by introducing a system which can optimize temperature, mixing ratio, mixing speed and duration of mixing.Type: ApplicationFiled: October 25, 2001Publication date: April 17, 2003Inventors: Jung Kyoon Chon, Won Seouk Chae, Jin Wan Jeong, Jong Sam Park
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Patent number: 6524497Abstract: An ice storage element (28), especially for the auxiliary air conditioning system of a motor vehicle, with a hollow body for forming at least one storage space (34) for an ice storage medium (36) which is liquid in the thawed state and which can be brought into heat-conductive connection with a refrigerant. The ice storage medium (36) contains a thickening agent to suppress sloshing of the ice storage medium (36) in the thawed state and to ensure freezing of the ice storage medium (36) in the form of a slush.Type: GrantFiled: September 2, 1999Date of Patent: February 25, 2003Assignee: Webasto Thermosysteme GmbHInventors: Peter Glaser, Albrecht Otte, Andreas Ludwig
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Patent number: 6447692Abstract: A composition for enhanced heat transfer fluid performance, comprising a base heat transfer fluid and a nanometer sized phase change material. Introduction of nanometer sized phase change material into the heat transfer fluid leads to improved, high reversible thermal transport properties at elevated temperatures while ensuring low viscosity of the fluid at sub-freezing temperatures. A method for preparing of the heat transfer fluid with enhanced heat transfer performance, comprising making nanometer sized capsules having the phase change material contained therein and dispersing the capsules into the base heat transfer fluid.Type: GrantFiled: August 4, 2000Date of Patent: September 10, 2002Assignee: HRL Laboratories, LLCInventors: Leslie A. Momoda, Amanda C. Phelps
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Publication number: 20020117648Abstract: 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: ApplicationFiled: September 28, 2001Publication date: August 29, 2002Inventors: Mark E. Okazaki, Adrian D'Souza, Shlomo Antika
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Patent number: 6413445Abstract: A description is given of antifreeze concentrates which comprise a) at least one water-miscible alcohol which lowers the freezing point; b) at least one corrosion inhibitor; and c) as reserve alkalinity donor, at least one mono- or polycyclic aromatic compound which has at least one hydroxyl group and a high buffer capacity in the pH range from about 6 to 10 and of coolant compositions which comprise said concentrates and are intended for the cooling circuits in internal combustion engines.Type: GrantFiled: January 9, 2001Date of Patent: July 2, 2002Assignee: BASF AktiengesellschaftInventors: Knut Oppenländer, Wolfgang Günther, Klaus Pfitzner, Michael Gillich, Ladislaus Meszaros
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Patent number: 6402983Abstract: Disclosed herein is a flame retardant hydraulic oil excellent in the flame retardancy, unaccompanied by the dangers of pinhole fire at sites of use and giving rise to no environmental contamination. This flame retardant hydraulic oil contain a hydraulic base oil comprising as the essential component an polyol partial ester which is a product formed by reacting (A) a polyol having a total of 6 to 22 carbon atoms and a total of 3 to 6 hydroxyl groups with (B) an acyclic monocarboxylic acid having a total of 6 to 22 carbon atoms. Said polyol partial ester has a hydroxyl value of 35 mg KOH/g or more, a flash point of 290° C. or higher and an average molecular weight of 600 to 1,500.Type: GrantFiled: July 11, 1995Date of Patent: June 11, 2002Assignee: Idemitsu Kosan Co., Ltd.Inventors: Kazuaki Abe, Hiromichi Seiki, Mitsuhiro Iwata
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Patent number: 6391225Abstract: A functional fluid that is particularly useful as an aircraft hydraulic fluid is provided. The fluid contains a major amount of an organo/phosphate ester base stock; based on the total weight of the fluid of from about 0.5 to 10 wt % of certain alkoxylated polyether amines and from about 4 to about 20 wt % of auxiliary additives selected from the group consisting essentially of antioxidants, VI improvers, rust inhibitors, erosion inhibitors and defoamers.Type: GrantFiled: February 25, 2000Date of Patent: May 21, 2002Assignee: ExxonMobil Research and Engineering CompanyInventor: Marc-André Poirier
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Patent number: 6361711Abstract: Disclosed herein is a flame retardant hydraulic oil excellent in the flame retardancy, heat stability and oxidative stability, unaccompanied by the dangers of pinhole fire and giving rise to no environmental contamination. This flame retardant hydraulic oil contains a hydraulic base oil including as the essential component a synthetic ester, which is a product formed by reacting (A) at least one polyol selected from the group consisting of neopentyl glycol, 2,2-dimethyl-3-hydroxypropyl-2′,2′-dimethyl-3′-hydroxypropionate, glycerin and trimethylolpropane with (B) a carboxylic acid including 15 to 85% by mole of oleic acid based on the total carboxylic acid and 15 to 85% by mole of isostearic acid based on the total carboxylic acid or a carboxylic acid obtained by incorporating into the carboxylic acid 85% by mole or less of monocarboxylic acid having 6 to 22 carbon atoms (excluding oleic acids and isostearic acids) based on the total carboxylic acid.Type: GrantFiled: June 13, 1995Date of Patent: March 26, 2002Assignee: Idemitsu Kosan Co., Ltd.Inventors: Kazuaki Abe, Hiromichi Seiki, Mitsuhiro Iwata
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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: 6251302Abstract: The present invention provides, a 3 or 4-amino-1,8-naphthalimide compound having polyether substituent groups at the 3 or 4-position and the imide position. The polyether groups are linked to a hydrocarbon directly linked at the 3 or 4-amino position and the imide position. The polyether groups render the 3 or 4-amino-1,8-naphthalimide compound sufficiently soluble in a fluid such that visualization of the fluid by color or fluoresence is allowed. In one advantageous embodiment, the 3 or 4-amino-1,8-naphthalimide is obtained from the mixture of 4-chloro-1,8-naphthalic anhydride with monoamine polyether.Type: GrantFiled: January 15, 1998Date of Patent: June 26, 2001Assignee: MicroBioMed CorporationInventors: Ronald E. Utecht, David E. Lewis
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Patent number: RE37101Abstract: A fluid composition suitable for use as an aircraft hydraulic fluid is disclosed. The fluid composition comprises a fire resistant phosphate ester base stock comprising between about 10% and about 100% by weight of a trialkyl phosphate, between about 0% and about 70% by weight of a dialkyl aryl phosphate, and from about 0% to about 25% by weight of an alkyl diaryl phosphate, with the proviso that the sum of the proportionate amount of each base stock component must equal 100%. The alkyl substituents of the trialkyl phosphate, the dialkyl aryl phosphate, and the alkyl diaryl phosphate contain between 3 and 8 carbon atoms, preferably between 4 and 8 carbon atoms, more preferably between 4 and 5 carbon atoms, and are bonded to the phosphate moiety via a primary carbon. It is still further preferred that the alkyl substituents of the trialkyl phosphate, the dialkyl aryl phosphate, and the alkyl diaryl phosphate are isoalkyl groups.Type: GrantFiled: November 7, 1997Date of Patent: March 20, 2001Assignee: Solutia Inc.Inventor: Gerbrand Deetman