Carboxylic Acid Ester Patents (Class 252/579)
  • Patent number: 9362980
    Abstract: The present disclosure provides a dielectric fluid composed of a genetically engineered microbial oil (GEMO) and an antioxidant. The GEMO includes a triglyceride and an amount of small glyceride. The amount of small glyceride is within a range from 0.1 wt % to 30 wt %, based upon the GEMO weight.
    Type: Grant
    Filed: June 25, 2012
    Date of Patent: June 7, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Suh Joon Han, Brian R. Maurer
  • Patent number: 9273259
    Abstract: The present invention is directed toward compositions suitable for use as dielectric fluids, lubricant fluids and biodiesel fluids. Compositions described herein are obtained from a saturated, unsaturated or combinations of both monol, diol, triol or polyol acyl ester based fluid and/or a non-ester based fluid and 2,4,6-tris(di-C1-C6-alkylaminomethyl) phenol and/or the carboxylic acid salt of 2,4,6-tris(di-C1-C6-alkylaminomethyl) phenol. These compositions demonstrate improved oxidative stability and/or hydrolytic stability at higher use temperatures.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: March 1, 2016
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Hari Babu Sunkara, Raja Hari Poladi
  • Patent number: 9181512
    Abstract: A multi-purpose lubricant is described. In accordance with one implementation, a lubricant comprises food grade based oils substantially complying with USDA H-1 specifications for incidental contact with food, wherein at least one oil is selected from the group consisting of food grade plant oil, food grade poly-alpha-olefin, polyalkylene glycol, and mixtures thereof. In accordance with another implementation, a lubricant comprises canola oil, castor oil and a poly-alpha-olefin. In accordance with yet another implementation, a lubricant comprises canola oil, castor oil and a polyalkylene glycol. In accordance with yet another implementation, a lubricant comprises an oil substantially complying with USDA H-2 specification wherein the oil is at least one item selected from the group consisting of plant oil, poly-alpha-olefin, polyalkylene glycol, and mixtures thereof. In some implementations, the multi-purpose lubricant may be applied to areas of a bicycle chain.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: November 10, 2015
    Inventors: Mark Shiflett, Kurt Mikeska
  • Patent number: 9133410
    Abstract: Provided herein are estolide compositions having high oxidative stability, said compositions comprising at least one compound of formula: in which n is an integer equal to or greater than 0; m is an integer equal to or greater than 1; R1, independently for each occurrence, is selected from optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched; R2 is selected from hydrogen and optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched; and R3 and R4, independently for each occurrence, are selected from optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched. Also provided herein are uses for the compositions and methods of preparing the same.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: September 15, 2015
    Assignee: Biosynthetic Technologies, LLC
    Inventors: Jakob Bredsguard, Travis Thompson, Jeremy Forest
  • Patent number: 9039945
    Abstract: A dielectric high purity vegetable oil—free from antioxidants and/or external additives to be used in electric equipment such as transformers, as isolating element and as cooling means and a method for obtaining the same in which the dielectric high purity vegetable oil—is obtained by means of the optimization of the bleaching steps—and deodorizing—from the Refining process—known as Modified Caustic Refining Long-Mix (RBD).
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: May 26, 2015
    Assignees: RAGASA INDUSTRIAS, S.A. DE C.V., PROLEC-GE INTERNACIONAL, S. DE R.L. DE C.V.
    Inventors: Alberto José Pulido Sanchez, Carlos Manuel Urzua Hernandez, Sergio Francisco Cazares Mendez, Jerónimo R. Villarreal Rios, José Eulalio Contreras De Leon, David Apolinar Guerra Zubiaga
  • Patent number: 9011733
    Abstract: Green compositions and technologies are provided. In an embodiment, the present invention provides a method of providing dielectric fluids, heat transfer fluids or cooling fluids. The dielectric fluid, heat transfer fluid, or cooling fluid can comprise one or more by-product or co-product containing glyceride and fatty acid mixtures extracted from an ethanol process. In an embodiment, the present invention provides compositions of dielectric fluids, heat transfer fluids or cooling fluids. The dielectric fluid, heat transfer fluid, or cooling fluid can comprise one or more glyceride and fatty acid mixtures extracted from an ethanol process.
    Type: Grant
    Filed: July 30, 2012
    Date of Patent: April 21, 2015
    Inventor: Joan Lynch
  • Publication number: 20150090944
    Abstract: The invention relates to compositions including esters of polyvalent alcohols that are esterified with fatty acids, partially unsaturated, from plant oils, and to the use thereof as cooling and insulating fluids for transformers.
    Type: Application
    Filed: April 26, 2013
    Publication date: April 2, 2015
    Inventors: Jürgen O. Metzger, Rolf Luther, Angela Robben, Gunther Kraft
  • Publication number: 20140346414
    Abstract: A dielectric fluid composition for electrical apparatus comprises a functionalized 12-hydroxy stearic acid having desirable properties including a pour point less than ?30° C. and a fire point greater than 250° C. It may be prepared by a process wherein 12-hydroxy methyl stearate is transesterified by reaction with a C3-C20 alcohol to form an alkyl-12-hydroxy stearate, followed by esterification thereof with a linear or branched C4-C20 carboxylic acid. This acid may be a free acid chloride, a fatty acid, a carboxylic acid anhydride, or combination thereof. The resulting functionalized 12-hydroxy stearic acid exhibits improved thermoxidative capability, low temperature flowability, and increased fire point.
    Type: Application
    Filed: September 26, 2012
    Publication date: November 27, 2014
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Suh Joon Han, Dirk B. Zinkweg, Zenon Lysenko
  • Publication number: 20140319435
    Abstract: A dielectric high purity vegetable oil—free from antioxidants and/or external additives to be used in electric equipment such as transformers, as isolating element and as cooling means and a method for obtaining the same in which the dielectric high purity vegetable oil—is obtained by means of the optimization of the bleaching steps—and deodorizing—from the Refining process—known as Modified Caustic Refining Long-Mix (RBD).
    Type: Application
    Filed: July 10, 2014
    Publication date: October 30, 2014
    Inventors: Alberto José Pulido Sanchez, Carlos Manuel Urzua Hernandez, Sergio Francisco Cazares Mendez, Jerónimo R. Villarreal Rios, José Eulalio Contreras De Leon, David Apolinar Guerra Zubiaga
  • Publication number: 20140319434
    Abstract: A dielectric high purity vegetable oil—free from antioxidants and/or external additives to be used in electric equipment such as transformers, as isolating element and as cooling means and a method for obtaining the same in which the dielectric high purity vegetable oil—is obtained by means of the optimization of the bleaching steps—and deodorizing—from the Refining process—known as Modified Caustic Refining Long-Mix (RBD).
    Type: Application
    Filed: July 10, 2014
    Publication date: October 30, 2014
    Inventors: Alberto José Pulido Sanchez, Carlos Manuel Urzua Hernandez, Sergio Francisco Cazares Mendez, Jerónimo R. Villarreal Rios, José Eulalio Contreras De Leon, David Apolinar Guerra Zubiaga
  • Publication number: 20140264199
    Abstract: The present invention is directed toward compositions suitable for use as dielectric fluids, lubricant fluids and biodiesel fluids. Compositions described herein are obtained from a saturated, unsaturated or combinations of both monol, diol, triol or polyol acyl ester based fluid and/or a non-ester based fluid and 2,4,6-tris(di-C1-C6-alkylaminomethyl)phenol and/or the carboxylic acid salt of 2,4,6-tris(di-C1-C6-alkylaminomethyl)phenol. These compositions demonstrate improved oxidative stability and/or hydrolytic stability at higher use temperatures.
    Type: Application
    Filed: March 11, 2014
    Publication date: September 18, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Hari Babu Sunkara, Raja Hari Poladi
  • Publication number: 20140252281
    Abstract: A dielectric fluid composition for electrical apparatus comprises a functionalized methyl-12-carboxy methyl stearate having desirable properties including a pour point less than ?30° C. and a fire point greater than 250° C. It may be prepared by a process wherein methyl-12-hydroxy methyl stearate is transesterified by reaction with a C3-C20 alcohol to form the hydroxy methyl ester, followed by reaction with a linear or branched C4-C20 carboxylic acid selected from free acid chlorides, fatty acids, carboxylic acid anhydrides, and combinations thereof. The second step serves to end-cap the hydroxyl groups, thereby producing the functionalized methyl-12-carboxy methyl stearate compound that exhibits improved thermoxidative stability and low temperature flowability, as well as increased fire point.
    Type: Application
    Filed: September 26, 2012
    Publication date: September 11, 2014
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Suh Joon Han, Dirk B. Zinkweg, Zenon Lysenko
  • Patent number: 8808585
    Abstract: A dielectric high purity vegetable oil—free from antioxidants and/or external additives to be used in electric equipment such as transformers, as isolating element and as cooling means and a method for obtaining the same in which the dielectric high purity vegetable oil—is obtained by means of the optimization of the bleaching steps—and deodorizing—from the Refining process—known as Modified Caustic Refining Long-Mix (RBD).
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: August 19, 2014
    Assignees: Ragasa Industrias, S.A. DE C.V., Prolec-GE Internacional, S. DE R.L. DE C.V.
    Inventors: Alberto José Pulido Sanchez, Carlos Manuel Urzua Hernandez, Sergio Francisco Cazares Mendez, Jerónimo R. Villarreal Rios, José Eulalio Contreras De Leon, David Apolinar Guerra Zubiaga
  • Patent number: 8801975
    Abstract: An electrical device having therein a dielectric fluid composition, wherein the dielectric fluid composition includes at least one refined, bleached and deodorized vegetable oil and at least one antioxidant, wherein the dielectric fluid composition has a pour point of less than about ?20° C. as measured according to either of ASTM D97 or ASTM D5950.
    Type: Grant
    Filed: May 17, 2007
    Date of Patent: August 12, 2014
    Assignee: Cooper Industries, LLC
    Inventors: Kevin J. Rapp, Charles Patrick McShane, Gary A. Gauger, Arthur W. Lemm
  • Patent number: 8741187
    Abstract: A dielectric high purity vegetable oil—free from antioxidants and/or external additives to be used in electric equipment such as transformers, as isolating element and as cooling means and a method for obtaining the same in which the dielectric high purity vegetable oil—is obtained by means of the optimization of the bleaching steps—and deodorizing—from the Refining process—known as Modified Caustic Refining Long-Mix (RBD).
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: June 3, 2014
    Assignees: Ragasa Industrias, S.A. de C.V., Prolec-Ge Internacional, S. de R.L. de C.V.
    Inventors: Alberto José Pulido Sanchez, Carlos Manuel Urzua Hernandez, Sergio Francisco Cazares Mendez, Jerónimo R. Villarreal Rios, José Eulalio Contreras De Leon, David Apolinar Guerra Zubiaga
  • Patent number: 8741186
    Abstract: A dielectric high purity vegetable oil—free from antioxidants and/or external additives to be used in electric equipment such as transformers, as isolating element and as cooling means and a method for obtaining the same in which the dielectric high purity vegetable oil—is obtained by means of the optimization of the bleaching steps—and deodorizing—from the Refining process—known as Modified Caustic Refining Long-Mix (RBD).
    Type: Grant
    Filed: October 16, 2008
    Date of Patent: June 3, 2014
    Assignees: Ragasa Industrias, S.A. de C.V., Prolec-GE Internacional, S. de R.L. de C.V.
    Inventors: Alberto José Pulido Sanchez, Carlos Manuel Urzua Hernandez, Sergio Francisco Cazares Mendez, Jerónimo R. Villarreal Rios, José Eulalio Contreras De Leon, David Apolinar Guerra Zubiaga
  • Publication number: 20140131637
    Abstract: In the present invention, compositions that are suitable for use as dielectric fluids are obtained from renewably sourced oils, and blends thereof. Renewably sourced synthetic esters as described herein are prepared using components obtained from natural or biologic feedstocks, wherein the feedstocks can be regenerated via conventional farming techniques. Dielectric fluids that can meet the industry standards are obtained using a process of combining appropriate percentages of components selected from synthetic polyol esters, natural oils, and mineral oil to customize the properties of the dielectric fluid obtained. Some of the properties that can be manipulated in the practice of the present invention include: electrical strength, resistivity, impulse strength, dissipation factor, permittivity, specific heat, thermal conductivity, chemical stability, gas absorption, pour point, viscosity, volatility, flash and fire point, and biodegradability.
    Type: Application
    Filed: November 12, 2013
    Publication date: May 15, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: HARI BABU SUNKARA, WEIMING QIU
  • Publication number: 20140131639
    Abstract: In the present invention, compositions that are suitable for use as dielectric fluids are obtained from renewably sourced oils, and blends thereof. Renewably sourced synthetic esters as described herein are prepared using components obtained from natural or biologic feedstocks, wherein the feedstocks can be regenerated via conventional farming techniques. Dielectric fluids that can meet the industry standards are obtained using a process of combining appropriate percentages of components selected from synthetic polyol esters, natural oils, and mineral oil to customize the properties of the dielectric fluid obtained. Some of the properties that can be manipulated in the practice of the present invention include: electrical strength, resistivity, impulse strength, dissipation factor, permittivity, specific heat, thermal conductivity, chemical stability, gas absorption, pour point, viscosity, volatility, flash and fire point, and biodegradability.
    Type: Application
    Filed: November 12, 2013
    Publication date: May 15, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: HARI BABU SUNKARA, WEIMING QIU
  • Publication number: 20140131641
    Abstract: In the present invention, compositions that are suitable for use as dielectric fluids are obtained from renewably sourced oils, and blends thereof. Renewably sourced synthetic esters as described herein are prepared using components obtained from natural or biologic feedstocks, wherein the feedstocks can be regenerated via conventional farming techniques. Dielectric fluids that can meet the industry standards are obtained using a process of combining appropriate percentages of components selected from synthetic polyol esters, natural oils, and mineral oil to customize the properties of the dielectric fluid obtained. Some of the properties that can be manipulated in the practice of the present invention include: electrical strength, resistivity, impulse strength, dissipation factor, permittivity, specific heat, thermal conductivity, chemical stability, gas absorption, pour point, viscosity, volatility, flash and fire point, and biodegradability.
    Type: Application
    Filed: November 12, 2013
    Publication date: May 15, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: HARI BABU SUNKARA, WEIMING QIU
  • Publication number: 20140131642
    Abstract: In the present invention, compositions that are suitable for use as dielectric fluids are obtained from renewably sourced oils, and blends thereof. Renewably sourced synthetic esters as described herein are prepared using components obtained from natural or biologic feedstocks, wherein the feedstocks can be regenerated via conventional farming techniques. Dielectric fluids that can meet the industry standards are obtained using a process of combining appropriate percentages of components selected from synthetic polyol esters, natural oils, and mineral oil to customize the properties of the dielectric fluid obtained. Some of the properties that can be manipulated in the practice of the present invention include: electrical strength, resistivity, impulse strength, dissipation factor, permittivity, specific heat, thermal conductivity, chemical stability, gas absorption, pour point, viscosity, volatility, flash and fire point, and biodegradability.
    Type: Application
    Filed: November 12, 2013
    Publication date: May 15, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: HARI BABU SUNKARA, WEIMING QIU
  • Publication number: 20140131636
    Abstract: In the present invention, compositions that are suitable for use as dielectric fluids are obtained from renewably sourced oils, and blends thereof. Renewably sourced synthetic esters as described herein are prepared using components obtained from natural or biologic feedstocks, wherein the feedstocks can be regenerated via conventional farming techniques. Dielectric fluids that can meet the industry standards are obtained using a process of combining appropriate percentages of components selected from synthetic polyol esters, natural oils, and mineral oil to customize the properties of the dielectric fluid obtained. Some of the properties that can be manipulated in the practice of the present invention include: electrical strength, resistivity, impulse strength, dissipation factor, permittivity, specific heat, thermal conductivity, chemical stability, gas absorption, pour point, viscosity, volatility, flash and fire point, and biodegradability.
    Type: Application
    Filed: November 12, 2013
    Publication date: May 15, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: HARI BABU SUNKARA, WEIMING QIU
  • Publication number: 20140131640
    Abstract: In the present invention, compositions that are suitable for use as dielectric fluids are obtained from renewably sourced oils, and blends thereof. Renewably sourced synthetic esters as described herein are prepared using components obtained from natural or biologic feedstocks, wherein the feedstocks can be regenerated via conventional farming techniques. Dielectric fluids that can meet the industry standards are obtained using a process of combining appropriate percentages of components selected from synthetic polyol esters, natural oils, and mineral oil to customize the properties of the dielectric fluid obtained. Some of the properties that can be manipulated in the practice of the present invention include: electrical strength, resistivity, impulse strength, dissipation factor, permittivity, specific heat, thermal conductivity, chemical stability, gas absorption, pour point, viscosity, volatility, flash and fire point, and biodegradability.
    Type: Application
    Filed: November 12, 2013
    Publication date: May 15, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: HARI BABU SUNKARA, WEIMING QIU
  • Publication number: 20140131635
    Abstract: In the present invention, compositions that are suitable for use as dielectric fluids are obtained from renewably sourced oils, and blends thereof. Renewably sourced synthetic esters as described herein are prepared using components obtained from natural or biologic feedstocks, wherein the feedstocks can be regenerated via conventional farming techniques. Dielectric fluids that can meet the industry standards are obtained using a process of combining appropriate percentages of components selected from synthetic polyol esters, natural oils, and mineral oil to customize the properties of the dielectric fluid obtained. Some of the properties that can be manipulated in the practice of the present invention include: electrical strength, resistivity, impulse strength, dissipation factor, permittivity, specific heat, thermal conductivity, chemical stability, gas absorption, pour point, viscosity, volatility, flash and fire point, and biodegradability.
    Type: Application
    Filed: November 12, 2013
    Publication date: May 15, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: HARI BABU SUNKARA, WEIMING QIU
  • Publication number: 20140131638
    Abstract: In the present invention, compositions that are suitable for use as dielectric fluids are obtained from renewably sourced oils, and blends thereof. Renewably sourced synthetic esters as described herein are prepared using components obtained from natural or biologic feedstocks, wherein the feedstocks can be regenerated via conventional farming techniques. Dielectric fluids that can meet the industry standards are obtained using a process of combining appropriate percentages of components selected from synthetic polyol esters, natural oils, and mineral oil to customize the properties of the dielectric fluid obtained. Some of the properties that can be manipulated in the practice of the present invention include: electrical strength, resistivity, impulse strength, dissipation factor, permittivity, specific heat, thermal conductivity, chemical stability, gas absorption, pour point, viscosity, volatility, flash and fire point, and biodegradability.
    Type: Application
    Filed: November 12, 2013
    Publication date: May 15, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: HARI BABU SUNKARA, WEIMING QIU
  • Publication number: 20140054519
    Abstract: Composition of one or more vegetable oils intended as triglycerides of natural origin with an oleic acid (C18:1) content less than 75%, preferably less than or equal to 74% which composition can be used for preparing dielectric fluids to be used in electrical transformers.
    Type: Application
    Filed: February 10, 2012
    Publication date: February 27, 2014
    Applicant: A & A Fratelli Parodi S.P.A.
    Inventors: Augusto Parodi, Leandro Marini, Salvatore Parrone, Roberto Campi
  • Patent number: 8654070
    Abstract: Electrophoretic particles including mother particles and a dispersant that covers the surface of the mother particles, the mother particles including a resin and a colorant, and the dispersant having a structure represented by the following Formula (1): wherein in Formula (1), R1 represents a dimethyl siloxane chain that comprises two or more dimethyl siloxane structures that are linked together, the dimethyl siloxane chain being optionally substituted by an organic group; R2 represents a hydrogen atom or a methyl group; Ar1 represents an organic group having an aromatic group; a represents an integer of from 8 to 88; b represents an integer of from 12 to 82; c represents an integer of from 0 to 30; f represents an integer of from 1 to 3; the total of a, b and c is 100; and the ratio of unit (b) in the dispersant having a structure represented by Formula (1) is about 50% by weight or less.
    Type: Grant
    Filed: March 15, 2010
    Date of Patent: February 18, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Nami Tokunaga, Jun Kawahara, Daisuke Nakayama, Yasuo Yamamoto, Hiroaki Moriyama
  • Publication number: 20140036447
    Abstract: Provided is a use of a vegetable oil high in monounsaturates as dielectric and heat-transfer fluid in a device for the generation, storage, conversion and/or distribution of electrical energy.
    Type: Application
    Filed: August 7, 2013
    Publication date: February 6, 2014
    Applicant: E I Du Pont De Nemours And Company
    Inventors: Susan Knowlton, Serge Rebouillat
  • Patent number: 8617434
    Abstract: A dielectric fluid comprising hydrocarbon liquid admixed with an ester-based compound, wherein the ester-based compound is present in an effective amount to impart breakdown inhibiting properties to a paper insulation material when the dielectric fluid is in contact with the paper material.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: December 31, 2013
    Assignee: Cooper Industries, LLC
    Inventors: Kevin J. Rapp, Jerry L. Corkran, Gary A. Gauger, Charles P. McShane
  • Publication number: 20130264527
    Abstract: The method of manufacturing a natural ester, oil-based electrical insulation fluid by contacting refined, bleached, optionally winterized, and deodorized natural ester oil, e.g., soy oil, with an absorbent is improved by using as the absorbent a synthetic silicate absorbent comprising an alkali and/or alkaline earth metal, e.g., magnesium.
    Type: Application
    Filed: November 8, 2011
    Publication date: October 10, 2013
    Inventors: Suh Joon Han, Peter C. Dreux, Paul J. Caronia, Daniel Witte
  • Publication number: 20130225023
    Abstract: Dielectric fluids are provided, the dielectric fluids comprising a mixture of polyol esters derived from a reaction of a) a polyol comprising pentaerythritol, trimethylolpropane, neopentyl glycol, or combinations thereof, and b) a mixture of fatty acid esters derived from a high oleic soybean oil comprising fatty acid moieties, wherein the high oleic soybean oil has a C18:1 content of greater than 65% of the fatty acid moieties in the oil, and a combined C18:2 and C18:3 content of less than 20% of the fatty acid moieties in the oil. Also provided are electrical apparatuses comprising the dielectric fluids, and processes for preparing the mixtures of polyol esters.
    Type: Application
    Filed: August 24, 2012
    Publication date: August 29, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Weiming Qiu, Peter A Brown
  • Publication number: 20130161577
    Abstract: Green compositions and technologies are provided. In an embodiment, the present invention provides a method of providing dielectric fluids, heat transfer fluids or cooling fluids. The dielectric fluid, heat transfer fluid, or cooling fluid can comprise one or more by-product or co-product containing glyceride and fatty acid mixtures extracted from an ethanol process. In an embodiment, the present invention provides compositions of dielectric fluids, heat transfer fluids or cooling fluids. The dielectric fluid, heat transfer fluid, or cooling fluid can comprise one or more glyceride and fatty acid mixtures extracted from an ethanol process.
    Type: Application
    Filed: July 30, 2012
    Publication date: June 27, 2013
    Inventor: Joan Lynch
  • Patent number: 8435426
    Abstract: The electrical contact enhancing coating is a composition that includes finely divided precious metal particles mixed with a dielectric carrier to form a coating. The dielectric carrier is a vegetable oil (preferably soybean-based) carrier of the type used as a dielectric coolant in power transformers, and is preferably high in antioxidant content. In a first embodiment, the precious metal is 100% silver having an average particle size of about 5-10 ?m. In a second embodiment, the precious metal is about 65-85% silver and 15-35% gold (average particle size 0.5-1.8 ?m), by weight. In a third embodiment, the precious metal is about 65-85% silver, 12.5-30% gold, and 2.5-5% palladium (average particle size 0.5-1.8 ?m), by weight. The precious metals may be cryogenically treated prior to mixing with the dielectric carrier.
    Type: Grant
    Filed: March 22, 2011
    Date of Patent: May 7, 2013
    Inventors: Brian K. Kyle, Timothy R. Mrock
  • Publication number: 20130099182
    Abstract: The invention relates to a liquid composition that is a mixture of at least one natural triglyceride and at least one fatty acid ester different from triglycerides, wherein the fatty acids are derived from at least one vegetable oil or another equivalent natural resource.
    Type: Application
    Filed: October 8, 2012
    Publication date: April 25, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: SERGE REBOUILLAT, Ferdinand G Thoonen, France Rochette, Benoit Steffenino
  • Patent number: 8361351
    Abstract: A dielectric fluid comprising hydrocarbon liquid admixed with an ester-based compound, wherein the ester-based compound is present in an effective amount to impart breakdown inhibiting properties to a paper insulation material when the dielectric fluid is in contact with the paper material.
    Type: Grant
    Filed: January 13, 2012
    Date of Patent: January 29, 2013
    Assignee: Cooper Industries, Inc.
    Inventors: Kevin J. Rapp, Jerry L. Corkran, Gary A. Gauger, Charles Patrick McShane
  • Publication number: 20130015415
    Abstract: Provided herein are dielectric fluids comprising at least one estolide compound of formula: in which n is an integer equal to or greater than 0; m is an integer equal to or greater than 1; R1, independently for each occurrence, is selected from optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched; R2 is selected from hydrogen and optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched; and R3 and R4, independently for each occurrence, are selected from optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched. Also provided herein are uses of dielectric fluids and electrical devices such as transformers that comprise a dielectric fluid comprising at least one estolide compound.
    Type: Application
    Filed: July 19, 2012
    Publication date: January 17, 2013
    Inventors: Jeremy Forest, Jakob Bredsguard, Travis Thompson
  • Patent number: 8268199
    Abstract: Provided herein are dielectric fluids comprising at least one estolide compound of formula: in which n is an integer equal to or greater than 0; m is an integer equal to or greater than 1; R1, independently for each occurrence, is selected from optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched; R2 is selected from hydrogen and optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched; and R3 and R4, independently for each occurrence, are selected from optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched. Also provided herein are uses of dielectric fluids and electrical devices such as transformers that comprise a dielectric fluid comprising at least one estolide compound.
    Type: Grant
    Filed: February 28, 2012
    Date of Patent: September 18, 2012
    Assignee: LubriGreen Biosynthetics, LLC
    Inventors: Jeremy Forest, Jakob Bredsguard, Travis Thompson
  • Patent number: 8226859
    Abstract: Insulation fluids comprising polytrimethylene ether glycol esters are provided. The insulation fluids can be used in electrical apparatuses.
    Type: Grant
    Filed: August 20, 2010
    Date of Patent: July 24, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Lisa C. Bates, Hari Babu Sunkara
  • Publication number: 20120161085
    Abstract: Provided is an electrical insulating oil formulation comprising at least one diester or triester species having ester links on adjacent carbons, and an anti-oxidant additive. The formulation exhibits an excellent balance of the pour point, viscosity and fire point properties, and is imminently suitable for use as a transformer oil.
    Type: Application
    Filed: December 23, 2010
    Publication date: June 28, 2012
    Applicant: Chevron U.S.A. Inc.
    Inventors: Ryan J. Schexnaydre, John M. Rosenbaum, Saleh Elomari, Stephen J. Miller, Zhen Zhou
  • Publication number: 20120139681
    Abstract: The present invention relates to a composition suitable for use in electrical equipment containing a dielectric fluid including an oil component, the oil component including one or both of crambe oil and high erucic acid rapeseed oil and one or both of esterified crambe oil and esterified high erucic acid rapeseed oil.
    Type: Application
    Filed: July 2, 2010
    Publication date: June 7, 2012
    Inventors: Jose Humberto Lopes, David V. Mahoney, Rafael Garcia-Ramirez
  • Patent number: 8187508
    Abstract: Disclosed is a base agent for electrical insulating oils, which mainly contains an esterified product of glycerin and a linear or branched, saturated or unsaturated fatty acid having 6-14, preferably 8-12 carbon atoms. This base agent for electrical insulating oils is excellent in electrical characteristics, oxidation stability, cooling characteristics, flame retardance and safety. In particular, this agent for electrical insulating oils can meet energy/environmental problems by using an edible oil and fat, which is obtained by using a fatty acid derived from a vegetable oil as a raw material, as the linear or branched, saturated or unsaturated fatty acid having 6-14 carbon atoms.
    Type: Grant
    Filed: September 6, 2006
    Date of Patent: May 29, 2012
    Assignees: Lion Corporation, Japan AE Power Systems Corporation
    Inventors: Takaaki Kanoh, Jun-ichi Yamada, Hidenobu Koide, Yasunori Hatta
  • Publication number: 20120061629
    Abstract: A dielectric high purity vegetable oil—free from antioxidants and/or external additives to be used in electric equipment such as transformers, as isolating element and as cooling means and a method for obtaining the same in which the dielectric high purity vegetable oil—is obtained by means of the optimization of the bleaching steps—and deodorizing—from the Refining process—known as Modified Caustic Refining Long-Mix (RBD).
    Type: Application
    Filed: November 16, 2011
    Publication date: March 15, 2012
    Inventors: Alberto José Pulido Sanchez, Carlos Manuel Urzua Hernandez, Sergio Francisco Cazares Mendez, Jerónimo R. Villarreal Rios, José Eulalio Contreras De Leon, David Apolinar Guerra Zubiaga
  • Publication number: 20120056138
    Abstract: A dielectric high purity vegetable oil—free from antioxidants and/or external additives to be used in electric equipment such as transformers, as isolating element and as cooling means and a method for obtaining the same in which the dielectric high purity vegetable oil—is obtained by means of the optimization of the bleaching steps—and deodorizing—from the Refining process—known as Modified Caustic Refining Long-Mix (RBD).
    Type: Application
    Filed: November 16, 2011
    Publication date: March 8, 2012
    Inventors: Alberto José Pulido Sanchez, Carlos Manuel Urzua Hernandez, Sergio Francisco Cazares Mendez, Jerónimo R. Villareal Rios, José Eulalio Contreras de Leon, David Apolinar Guerra Zubiaga
  • Patent number: 8071519
    Abstract: A composition comprising a blend of first and second esters: the first ester comprising a reaction product of first reactants comprising trimer acid, first polyhydric alcohol and first monohydric alcohol; the first monohydric alcohol selected from the group of C8-18 monohydric alcohols; the second ester comprising a reaction product of second reactants comprising trimer acid, second polyhydric alcohol and second monohydric alcohol; the second monohydric alcohol selected from the group of C6-10 monohydric alcohols; the first and second monohydric alcohols being non-identical. This blend of esters, in combination with silica, is useful as a sealant composition, e.g., as a cable-protectant composition.
    Type: Grant
    Filed: April 25, 2002
    Date of Patent: December 6, 2011
    Assignee: Arizona Chemical Company, LLC
    Inventors: Lloyd A. Nelson, Nancy D. Mosby
  • Publication number: 20110232940
    Abstract: Insulating liquid. The liquid includes an ester liquid and an additive to the ester liquid having a lower ionization potential than the ionization potential of the ester liquid. In one aspect, conductive nanoparticles are also added.
    Type: Application
    Filed: March 23, 2011
    Publication date: September 29, 2011
    Applicant: Massachusetts Institute of Technology
    Inventors: Jae-Won George Hwang, Jeffrey H. Lang, Markus Zahn
  • Publication number: 20110204302
    Abstract: A dielectric high purity vegetable oil—free from antioxidants and/or external additives to be used in electric equipment such as transformers, as isolating element and as cooling means and a method for obtaining the same in which the dielectric high purity vegetable oil—is obtained by means of the optimization of the bleaching steps—and deodorizing—from the Refining process—known as Modified Caustic Refining Long-Mix (RBD).
    Type: Application
    Filed: October 16, 2008
    Publication date: August 25, 2011
    Inventors: Alberto Jose Pulido Sanchez, Carlos Manuel Urzua Hernandez, Sergio Francisco Cazares Mendez, Jeronimo R. Villarreal Rios, Jose Eulalio Contreras De Leon, David Apolinar Guerra Zubiaga
  • Publication number: 20110188202
    Abstract: The disclosure is directed to a dielectric fluid. The dielectric fluid includes an algae oil. The algae oil includes a natural algae antioxidant. The natural algae antioxidant is selected from ?-carotene, astaxanthin, tocopherol, polyunsaturated triglycerides, and combinations thereof.
    Type: Application
    Filed: December 23, 2010
    Publication date: August 4, 2011
    Inventors: Suh Joon Han, Dirk B. Zinkweg, Jeffrey M. Cogen, Steve Gluck
  • Patent number: 7919017
    Abstract: Insulation fluids comprising polytrimethylene ether glycol esters are provided. The insulation fluids can be used in electrical apparatuses.
    Type: Grant
    Filed: November 12, 2007
    Date of Patent: April 5, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Lisa C. Bates, Hari Babu Sunkara
  • Patent number: 7910026
    Abstract: The electrical contact enhancing coating is a composition that includes finely divided precious metal particles mixed with a dielectric carrier to form a coating. The dielectric carrier is a vegetable oil (preferably soybean-based) carrier of the type used as a dielectric coolant in power transformers, and is preferably high in antioxidant content. In a first embodiment, the precious metal is 100% silver having an average particle size of about 5-10 ?m. In a second embodiment, the precious metal is about 65-85% silver and 15-35% gold (average particle size 0.5-1.8 ?m), by weight. In a third embodiment, the precious metal is about 65-85% silver, 12.5-30% gold, and 2.5-5% palladium (average particle size 0.5-1.8 ?m), by weight. The precious metals may be cryogenically treated prior to mixing with the dielectric carrier.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: March 22, 2011
    Inventors: Brian K. Kyle, Timothy R. Mrock
  • Publication number: 20110043441
    Abstract: Electrophoretic particles including mother particles and a dispersant that covers the surface of the mother particles, the mother particles including a resin and a colorant, and the dispersant having a structure represented by the following Formula (1): wherein in Formula (1), R1 represents a dimethyl siloxane chain that comprises two or more dimethyl siloxane structures that are linked together, the dimethyl siloxane chain being optionally substituted by an organic group; R2 represents a hydrogen atom or a methyl group; Ar1 represents an organic group having an aromatic group; a represents an integer of from 8 to 88; b represents an integer of from 12 to 82; c represents an integer of from 0 to 30; f represents an integer of from 1 to 3; the total of a, b and c is 100; and the ratio of unit (b) in the dispersant having a structure represented by Formula (1) is about 50% by weight or less.
    Type: Application
    Filed: March 15, 2010
    Publication date: February 24, 2011
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Nami TOKUNAGA, Jun KAWAHARA, Daisuke NAKAYAMA, Yasuo YAMAMOTO, Hiroaki MORIYAMA
  • Publication number: 20110012071
    Abstract: A dielectric fluid comprising hydrocarbon liquid admixed with an ester-based compound, wherein the ester-based compound is present in an effective amount to impart breakdown inhibiting properties to a paper insulation material when the dielectric fluid is in contact with the paper material.
    Type: Application
    Filed: September 23, 2010
    Publication date: January 20, 2011
    Applicant: Cooper Industries, Inc.
    Inventors: Kevin J. RAPP, Jerry L. CORKRAN, Gary A. GAUGER, C. Patrick MCSHANE