Organic Components Patents (Class 252/73)
  • Patent number: 6635189
    Abstract: 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: Grant
    Filed: February 16, 2001
    Date of Patent: October 21, 2003
    Assignee: Agency for Defense Development
    Inventors: Moon-Suk Suh, Min-Jae Shin, Kyo-Jun Choi, In-sik Han, Sun-Kyu Jeong, Seung-Bok Choi, Kum-Gil Sung, Ho-Guen Lee
  • Patent number: 6630696
    Abstract: Thin films for use as dielectric in semiconductor and other devices are prepared from silica zeolites, preferably pure silica zeolites such as pure-silica MFI. The films have low k values, generally below about 2.7, ranging downwards to k values below 2.2. The films have relatively uniform pore distribution, good mechanical strength and adhesion, are relatively little affected by moisture, and are thermally stable. The films may be produced from a starting zeolite synthesis or precursor composition containing a silica source and an organic zeolite structure-directing agent such as a quaternary ammonium hydroxide. In one process the films are produced from the synthesis composition by in-situ crystallization on a substrate. In another process, the films are produced by spin-coating, either through production of a suspension of zeolite crystals followed by redispersion or by using an excess of the alkanol produced in preparing the synthesis composition.
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: October 7, 2003
    Assignee: The Regents of the University of California
    Inventors: Yushan Yan, Zhengbao Wang, Huanting Wang
  • Patent number: 6616858
    Abstract: Linear polymers of glycerol can prevent or delay ice nucleation in a variety of contexts. Polyglycerol can also be employed in combination with other ice control agents, such as polyvinyl alcohol/polyvinyl acetate copolymers and antifreeze proteins, to provide antinucleation effects that are superior to those of either polyglycerol or the co-antinucleator alone. Polyglycerol has a number of advantageous physical and toxicological properties, such as extreme water solubility, non-toxicity to human beings, non-toxicity to animal tissues and organs in vitro even at extreme concentrations, minimal foaming tendency, minimal retention on hydrophobic surfaces, and stability in solution without the need for periodic heating to reactivate its antinucleation properties.
    Type: Grant
    Filed: November 30, 2000
    Date of Patent: September 9, 2003
    Inventors: Greg Fahy, Brian Wowk
  • Publication number: 20030164470
    Abstract: The invention relates to antifreeze concentrates which are based on alkylene glycols or derivatives thereof or on glycerin, containing 0.05 to 10 wt. % of one or more cathoxylic acid amides and/or sulfonic acid amides in relation to the total quantity of concentrate.
    Type: Application
    Filed: January 22, 2003
    Publication date: September 4, 2003
    Inventors: Bernd Wenderoth, Karlheinz Schaker
  • Patent number: 6592775
    Abstract: The present invention relates to an aqueous metalworking liquid, which has the form of a clear solution at 20 ° C., is precipitated at a temperature higher than 20 ° C. and contains: (a) a polypropylene glycol compound containing 6-100 propyleneoxy groups and lacking the presence of hydrocarbons groups having more than 12 carbon atoms, and (b) at least one water-soluble anionic compound, selected from the group consisting of a phosphate ester or an ether carboxylate, the anionic compound containing 1-40 oxyalkylene groups having 2-4 carbon atoms and lacking presence of hydrocarbon groups with more than 12 carbon atoms. The metalworking liquid has excellent lubricating properties and can easily be worked up and reused without leaving troublesome coatings on the metal surfaces.
    Type: Grant
    Filed: July 18, 2001
    Date of Patent: July 15, 2003
    Assignee: AB Chem Dimension
    Inventor: Rolf Skold
  • Publication number: 20030127624
    Abstract: A heating medium composition for suppressing deterioration of both a metal piping and a synthetic resin piping. The heating medium composition contains an antifreeze ingredient, water, a corrosion inhibitor, and a surfactant. The corrosion inhibitor includes a triazole compound, and the surfactant includes an anionic surfactant. A bag in a feeder provided in a given position along a circulation piping is filled with an oxidation inhibitor. By flowing a heating medium composition through the feeder, the oxidation inhibitor is gradually dissolved in the heating medium composition.
    Type: Application
    Filed: July 30, 2002
    Publication date: July 10, 2003
    Inventors: Masumi Mizutani, Akihiro Sagasaki, Koichi Hamada, Yuji Higuchi, Kazuhisa Ikawa
  • Publication number: 20030098439
    Abstract: In an electro-rheological composition comprising an electrical insulating medium and solid particles dispersed therein, insulating solid particles possessed of morphological anisotropy are used as the solid particles. In a preferred embodiment, the insulating solid particles mentioned above are plate-like insulating solid particles, preferably plate-like insulating solid particles having a diameter (particle diameter) not less than 1 &mgr;m, more preferably plate-like aluminum oxide particles having a diameter not less than 1 &mgr;m. In another preferred embodiment, the insulating solid particles which have undergone a surface treatment with organic molecules or a semiconducting inorganic material, particularly the insulating solid particles having a metal oxide such as tin oxide and titanium oxide adhered to the surfaces thereof are used as the particles. Still another preferred embodiment is the ER composition of which electrical insulating medium is gelled.
    Type: Application
    Filed: November 20, 2002
    Publication date: May 29, 2003
    Applicant: YKK CORPORATION
    Inventors: Akira Ishibashi, Takeshi Fukuda, Ryoichi Hanaoka, Shinzo Takata
  • Patent number: 6558569
    Abstract: 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: Grant
    Filed: November 10, 2000
    Date of Patent: May 6, 2003
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Tammy Tyler Shannon, Brian Terry Keen, James Leonard Hansen, Pearl Lesley Crossen
  • Publication number: 20030071242
    Abstract: A non-aqueous, reduced toxicity polyhydric alcohol based heat transfer fluid is provided comprised of at least one polyhydric alcohol that acts as an ADH enzyme inhibitor, such as for example propylene glycol, thereby reducing the toxicity of ethylene glycol if ethylene glycol. The heat transfer fluid may also include corrosion inhibitors that are soluble in the polyhydric alcohols used for the heat transfer fluid. The heat transfer fluid may be used as a coolant in internal combustion engines such as automobile engines, a coolant for cooling electrical or electronic components, as a heat transfer fluid for solar energy heating systems, or a heat transfer fluid for maintaining temperatures in industrial processes. A low toxicity preparation fluid for absorbing water from heat exchange systems prior to installation of the heat transfer fluid is also provided that is comprised of ethylene glycol and at least one polyhydric alcohol, preferably propylene glycol, that acts as an ADH enzyme inhibitor.
    Type: Application
    Filed: August 23, 2001
    Publication date: April 17, 2003
    Inventors: John W. Evans, J. Thomas Light
  • Publication number: 20030052302
    Abstract: The present invention relates to a antifreeze/coolant composition for use in internal combustion engines which comprises: an anti freeze/coolant for diesel engines which comprises: 1,3 propanediol 97-98% by volume, 95 to 97 percent; nitrite, 0.50 to 1.5%; nitrate, 0.30 to 1.5%; borate, 0.25 to 1.25%; mercaptobenzothiazole, 0.25 to 1.0%; tolyltriazole, 0.30 to 1.1%; benzyltriazole, 0.00 to 1.0%; silicate, 0.25 to 3.0%; antifoam, 0.05 to 0.3%; silicate stabilizer, 0.10 to 1.9%; and dye, 0.00 to 0.02% In another embodiment, the present invention relates to a different antifreeze/coolant composition for use in internal combustion engines which comprises: an anti freeze/coolant for diesel engines which comprises: 1,3 propanediol 97-98% by volume, 95 to 97 percent; nitrite, 0.50 to 1.50%; nitrate, 0.30 to 1.50%; phosphate, 0.50 to 1.60%; mercaptobenzothiazole, 0.25 to 1.00%; tolyltriazole, 0.30 to 1.10%; benzyltriazole, 0.00 to 1.00%; silicate, 0.25 to 3.00%; molybdate, 0.50 to 1.30%; antifoam, 0.05 to 0.
    Type: Application
    Filed: November 21, 2001
    Publication date: March 20, 2003
    Inventors: Edward Raynes Eaton, Wyndham Henry Boon, Christopher John Smith
  • Publication number: 20030047708
    Abstract: A nontoxic fuel cell engine coolant which has an electrical resistivity of greater than 250 kOhm-cm, a boiling point of greater than 90° C., a freezing point of less than −40° C., a thermal conductivity of greater than 0.4 W/m-k, a viscosity of less than 1 cPs at 80° C., a viscosity of less than 6 cPs at 0°C., a heat capacity of greater than 3 kJ/kg-K, and which is compatible with current cooling system materials.
    Type: Application
    Filed: February 13, 2002
    Publication date: March 13, 2003
    Inventors: Edward Raynes Eaton, Wyndham Henry Boon, Christopher John Smith
  • Publication number: 20030038276
    Abstract: A non-hazardous, reduced toxicity ethylene glycol-based antifreeze/heat transfer fluid concentrate is provided comprised of ethylene glycol, an antidote for ethylene glycol poisoning, such as propylene glycol, and selected additives. The antifreeze/heat transfer fluid concentrate may be combined with water to form a coolant solution for use in internal combustion engines.
    Type: Application
    Filed: October 3, 2002
    Publication date: February 27, 2003
    Inventors: John W. Evans, J. Thomas Light
  • Patent number: 6524497
    Abstract: 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: Grant
    Filed: September 2, 1999
    Date of Patent: February 25, 2003
    Assignee: Webasto Thermosysteme GmbH
    Inventors: Peter Glaser, Albrecht Otte, Andreas Ludwig
  • Patent number: 6508951
    Abstract: A glycol-based coolant composition which provides an excellent metal corrosion inhibition despite its low phosphorus content is disclosed. The glycol-based coolant composition contains: (A) 0.1-5.0% by weight of at least one ingredient selected from group A′ consisting of C6-C12 aliphatic dibasic acids and their alkali metal salts; (B) 0.1-10% by weight of at least one ingredient selected from group B′ consisting of alkyl benzoic acids and their alkali metal salts; (C) 0.001-0.1% by weight of at least one ingredient selected from group C′ consisting of strontium compounds and their alkali metal salts; and (D) 0.1-0.3% by weight of at least one ingredient selected from group D′ consisting of phosphoric acids and their alkali metal salts.
    Type: Grant
    Filed: September 1, 2000
    Date of Patent: January 21, 2003
    Assignees: CCI Kabushiki Kaisha, Honda Giken Kogyo
    Inventors: Yasuaki Mori, Michihiro Hori, Mitsuru Osawa, Takashi Nagashima
  • Patent number: 6495071
    Abstract: Provided is a method for creating fluid motion of an electro-sensitive movable fluid upon application of direct-current-voltage between two electrodes adjacent the fluid, the fluid having a conductivity &sgr;, and a viscosity &eegr; located inside a triangle in a graph showing a relation between a conductivity &sgr; plotted as abscissa, and a viscosity &eegr;, plotted as ordinate, of a fluid at the working temperature, said triangle having, as vertices, a point P indicated by the conductivity &sgr;=4×10−10 S/m and the viscosity &eegr;=1×100 Pa·s, a point Q indicated by the conductivity &sgr;=4×10−10 S/m and the viscosity &eegr;=1×10−4 Pa·s, and a point R indicated by the conductivity &sgr;=5×10−6 S/m and the viscosity &eegr;=1×10−4 Pa·s.
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: December 17, 2002
    Assignee: New Technology Management Co., Ltd.
    Inventors: Shinichi Yokota, Yasufumi Otsubo, Kazuya Edamura
  • Publication number: 20020179882
    Abstract: Phosphate ester based functional fluids containing novel anti-erosion additives provides enhanced results in erosion control.
    Type: Application
    Filed: February 15, 2002
    Publication date: December 5, 2002
    Inventor: Marc-Andre Poirier
  • Publication number: 20020179881
    Abstract: Phosphate ester based functional fluids containing novel anti-erosion additives provides enhanced results in erosion control.
    Type: Application
    Filed: February 15, 2002
    Publication date: December 5, 2002
    Inventor: Marc-Andre Poirier
  • Patent number: 6488865
    Abstract: A thermoplastic polymer of relatively low melt temperature is blended with at least one of thermosets, elastomers, and thermoplastics of relatively high melt temperature in order to produce a polymer blend which absorbs relatively high quantities of latent heat without melting or major loss of physical and mechanical characteristics as temperature is raised above the melting temperature of the low-melt-temperature thermoplastic. The polymer blend can be modified by the addition of at least one of fillers, fibers, fire retardants, compatibilisers, colorants, and processing aids. The polymer blend may be used in applications where advantage can be taken of the absorption of excess heat by a component which remains solid and retains major fractions of its physical and mechanical characteristics while absorbing relatively high quantities of latent heat.
    Type: Grant
    Filed: April 26, 2000
    Date of Patent: December 3, 2002
    Assignee: Technova Corporation
    Inventor: Parviz Soroushian
  • Publication number: 20020171063
    Abstract: A reduced toxicity ethylene glycol-based antifreeze/heat transfer fluid concentrate is provided comprised of ethylene glycol, a polyhydric alcohol having a boiling point above about 150° C. and that acts as an alcohol dehydrogenase inhibitor, such as propylene glycol or glycerol, and selected additives. The antifreeze/heat transfer fluid concentrate may be combined with water to form a coolant solution for use in internal combustion engines. A method is also provided for reducing the toxicity of fluids containing ethylene glycol by addition to the fluid of a polyhydric alcohol having a boiling point above about 150° C. and that acts as an alcohol dehydrogenase inhibitor, such as propylene glycol or glycerol.
    Type: Application
    Filed: August 23, 2001
    Publication date: November 21, 2002
    Inventors: John W. Evans, J. Thomas Light
  • Patent number: 6482332
    Abstract: A thermal packaging system using a single phase change material (PCM) part in liquid and part in solid form to confine the temperature of the product within a predetermined range. The temperature ranges are determined by the selection of PCM formulation. The phase change materials selected have high latent heats of fusion and maintain relatively constant temperatures as they change phase. This permits light weight packaging with the maintenance of temperatures in narrow, preselected ranges over extended periods of time. A phase change formulation that can be adjusted to freeze at temperatures from +40° C. to below −30° C. is disclosed, comprising butanediol, selected percentages of distilled water, and nucleating agents. The phase change occurs over a narrow temperature range making this an ideal temperature control media. Nucleating or other agents are included to narrow the temperature range over which the phase change occurs.
    Type: Grant
    Filed: March 10, 2000
    Date of Patent: November 19, 2002
    Inventor: Ted J. Malach
  • Patent number: 6478984
    Abstract: The invention relates to a liquid for evaporative cooling, said liquid being particularly suitable to indirect evaporative cooling apparatus. The liquid comprises an aqueous solution of trimethyl glycine, preferably containing 5-35 wt. % trimethyl glycine or a derivative thereof, and 65-95 wt. % water.
    Type: Grant
    Filed: April 24, 2000
    Date of Patent: November 12, 2002
    Assignee: Fortum Oyj
    Inventors: Antti Ilves, Heikki Reijonen
  • Publication number: 20020142923
    Abstract: Hindered tert-butylphenolic antioxidant compositions characterized by a low level of volatile and undesirable single-ring tert-butylphenolic antioxidants and a high level of non-volatile multi-ring (or methylene bridged) tert-butylphenolic antioxidants are obtained by reacting a specific mixture of ultra pure ortho-tert-butylphenol (OTBP), ultra pure 2,6-di-tert-butylphenol (DTBP) and formaldehyde in a solvent in the presence of catalyst. These antioxidants are further characterized by having a low level of 2,6-di-tert-butylphenol, low levels of ortho-tert-butylphenol, and trace levels of 2,4,6-tri-tert-butylphenol.
    Type: Application
    Filed: March 8, 2002
    Publication date: October 3, 2002
    Inventor: Vincent J. Gatto
  • Patent number: 6447692
    Abstract: 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: Grant
    Filed: August 4, 2000
    Date of Patent: September 10, 2002
    Assignee: HRL Laboratories, LLC
    Inventors: Leslie A. Momoda, Amanda C. Phelps
  • Patent number: 6443812
    Abstract: A composition is provided which is useful for the polishing of a semiconductor wafer substrate comprising an organic polymer having a backbone comprised of at least 16 carbon atoms, the polymer having a plurality of moieties with affinity to surface groups on the semiconductor wafer surface. Another composition is provided which is useful for the polishing of a semiconductor wafer substrate comprising a surfactant having a carbon chain backbone comprised of at least 16 carbon atoms.
    Type: Grant
    Filed: August 8, 2000
    Date of Patent: September 3, 2002
    Assignee: Rodel Holdings Inc.
    Inventors: Wesley D. Costas, James Shen
  • Publication number: 20020117648
    Abstract: 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: Application
    Filed: September 28, 2001
    Publication date: August 29, 2002
    Inventors: Mark E. Okazaki, Adrian D'Souza, Shlomo Antika
  • Patent number: 6395689
    Abstract: The present invention relates to terpene ethers of the general formula (I) in which the substituents have the meanings defined in the description, to a process for their preparation and to their use. The novel terpene ethers are suitable as traction fluids, as fragrances, as solvents and as reactive intermediates.
    Type: Grant
    Filed: March 19, 1999
    Date of Patent: May 28, 2002
    Assignee: Clariant GmbH
    Inventors: Adalbert Wagner, Frank Ebmeyer, Georg Stuhlmüller, Maximilian Simon, Herbert Vojacek
  • Patent number: 6391224
    Abstract: Polyvinyl alcohol and related compounds are provided that inhibit the freezing of water and water solutions. These synthetic compounds preferentially bind and inhibit ice nucleating surfaces in a manner similar to natural antifreeze proteins. The resulting inhibition allows water and water solutions to supercool without ice formation to temperatures below the thermodynamic freezing point. The freezing inhibition occurs at concentrations as small as one part per million, although concentrations up to one part per hundred are preferred. These polyvinyl alcohol additives are very useful for enhancing the performance of antifreeze formulations, biological cryopreservation solutions, and for preventing frost damage to plants and other industrial products and processes.
    Type: Grant
    Filed: September 21, 1999
    Date of Patent: May 21, 2002
    Assignee: 21
    Inventor: Brian Wowk
  • Patent number: 6391257
    Abstract: This invention relates to antifreeze compositions comprising a mixture of organic acid corrosion inhibitors. The compositions comprise (a) from about 90% to about 99.89% by weight of a liquid alcohol which functions as a freezing point depressant, or mixture thereof; (b) from about 0.1% to about 5.5% by weight of a carboxylic acid selected from the group consisting of saturated and unsaturated aliphatic, and aromatic, mono-, di- and tri-carboxylic acids, and salts and isomers thereof, and any mixture thereof, and (c) from about 0.1% to about 2% by weight of a cyclohexenoic acid, or salt, isomer or mixture thereof, having the formula: wherein each of R1, R2 and R3 is, independently, selected from the group consisting of H, OH, COOH, C1-C10 alkyl groups, glycol esters, or combinations thereof.
    Type: Grant
    Filed: August 19, 1998
    Date of Patent: May 21, 2002
    Assignee: Prestone Products Corporation
    Inventor: Peter M. Woyciesjes
  • Publication number: 20020053655
    Abstract: 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: Application
    Filed: November 15, 2001
    Publication date: May 9, 2002
    Inventors: Jean-Pierre Leopold Maes, Serge Stefan Lievens
  • Publication number: 20020052442
    Abstract: Process for preparing non-aqueous dispersions, wherein a liquid prepolymer is emulsified in a non-aqueous liquid, the droplet size of the emulsion is adjusted to 0.1 to 30 &mgr;m and the droplet size distribution U90 is adjusted to less than 2 by means of a jet disperser, and the droplets are cured by a chemical reaction.
    Type: Application
    Filed: April 30, 1999
    Publication date: May 2, 2002
    Inventors: ECKHARD WENDT, ROBERT BLOODWORTH, MARKUS MECHTEL, BERND KLINKSIEK, OLAF HALLE
  • Patent number: 6372696
    Abstract: A traction fluid useful in automotive power transmitting equipment includes a base fluid of polymers of at least one olefin which contains 3 to 5 carbon atoms, hydrocarbon molecules containing non-aromatic cyclic moieties, or mixtures thereof; a low-temperature viscosity control agent selected from the group consisting of oligomers or polymers of linear alpha olefins of at least 8 carbon atoms, naphthenic oils, synthetic ester oils, polyether oils, and mixtures thereof, in an amount sufficient to reduce the low temperature viscosity of the traction fluid; and an additive package including dispersants, detergents, or mixtures thereof, along with other optional additive components.
    Type: Grant
    Filed: November 9, 1999
    Date of Patent: April 16, 2002
    Assignee: The Lubrizol Corporation
    Inventor: Craig D. Tipton
  • Publication number: 20020033470
    Abstract: A non-aqueous, reduced toxicity diol based heat transfer fluid is provided comprised of at least one diol that acts as an antidote for ethylene glycol poisoning, such as for example propylene glycol. The heat transfer fluid may also include corrosion inhibitors that are soluble in the diols used for the heat transfer fluid. The heat transfer fluid may be used as a coolant in internal combustion engines such as automobile engines.
    Type: Application
    Filed: July 19, 2001
    Publication date: March 21, 2002
    Inventors: John W. Evans, J. Thomas Light
  • Publication number: 20020030177
    Abstract: The present invention relates to a carboxylic acid based antifreeze coolant formulation for heavy duty applications such as for diesel engines which may be used for inhibition and prevention erosion and corrosion of aluminum and the corrosion of other metals exposed to an aqueous liquid in automotive coolant systems. The formulation further inhibits mineral scale. It may be packaged as an ethylene glycol based additive for use in new engines or in a concentrated inhibition package as an additive as for reinhibition of used coolant. The combination of a mixture of ethylene or propylene glycol, a monobasic carboxylic organic acid, azoles, low levels of molybdates, a nitrite salt and/or nitrate salt and/or siloxane stabilized silicate, and combinations thereof, polyvinylpyrrolidone, provide a synergistic protective effect against the cavitation corrosion of aluminum in aqueous liquids reducing the corrosion rate and is effective at relatively low concentrations and varying pH ranges.
    Type: Application
    Filed: May 8, 2001
    Publication date: March 14, 2002
    Inventors: David E. Turcotte, Michael A. Dituro, Arnold L. Coffey, Alden W. Olsen, Carl R. Stephens
  • Patent number: 6352651
    Abstract: The present invention discloses an electrorheological fluid comprising: spherical carbonaceous particles obtained substantially from a solvent and a condensation product formed by a methylene type bonding of an aromatic sulfonic acid or a salt thereof as materials; and an, electric insulating oil. The electric insulating oil preferably has a relative dielectric constant of 3 or more and a kinematic viscosity at 25° C. of 1 to 100 mm2/second. The electric insulating oil may be, for example, fluorosilicone oil, a mixture of fluorosilicone oil and silicone oil, or a mixture of dimethyl silicone oil and modified silicone oil. The electrorheological fluid of the present invention may further include modified silicone oil at a weight percentage of 0.01 to 5%.
    Type: Grant
    Filed: June 2, 1999
    Date of Patent: March 5, 2002
    Assignee: Bridgestone Corporation
    Inventors: Shigeki Endo, Hiroaki Wada
  • Patent number: 6350927
    Abstract: A high temperature heat transfer fluid is disclosed which comprises a mixture of 1,2,3,4-tetrahydro(1-phenylethyl)naphthalene and an alkyl biphenyl to provide high temperature heat transfer fluids exhibiting favorable thermal stability.
    Type: Grant
    Filed: January 24, 2001
    Date of Patent: February 26, 2002
    Assignee: The Dow Chemical Company
    Inventor: Abel Mendoza
  • Publication number: 20020020828
    Abstract: A non-hazardous, reduced toxicity ethylene glycol-based antifreeze/heat transfer fluid concentrate is provided comprised of ethylene glycol, an antidote for ethylene glycol poisoning, such as propylene glycol, and selected additives. The antifreeze/heat transfer fluid concentrate may be combined with water to form a coolant solution for use in internal combustion engines.
    Type: Application
    Filed: June 8, 2001
    Publication date: February 21, 2002
    Inventors: John W. Evans, J. Thomas Light
  • Publication number: 20020017629
    Abstract: This invention is a composition that includes a transesterified fatty acid ester resulting from the reaction of a fatty acid ester, in the presence of an acid, with a hydroxyl-containing compound. The fatty acid esters of the invention are selected from those with a carbon number of eight to twenty. The hydroxyl-containing compound is an alcohol having a carbon number between one and eighteen. The resulting composition is useful as a lubricant, as a heat transfer agent, as a rheological modifier and as a corrosion/moisture inhibitor, among other uses.
    Type: Application
    Filed: August 2, 2001
    Publication date: February 14, 2002
    Inventors: Benjamin Mosier, Bryan J. Duffy
  • Patent number: 6342168
    Abstract: A composition for use in reducing noise in a liquid-cooling system of an engine, eg an automotive engine, comprising an organo-polymeric microfibril material insoluble in the cooling liquid of the liquid-cooling system. Preferably the microfibril material is contained in a carrier, which maybe in the form of a liquid, a gel or a compressed tablet soluble or dispersible in the cooling liquid.
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: January 29, 2002
    Inventor: Adam Isherwood
  • Publication number: 20020008225
    Abstract: Clay is stabilized in the drilling of wells and other formation treatment for hydrocarbon production by the addition to the drilling or other fluid fluid of potassium formate together with a cationic formation control additive.
    Type: Application
    Filed: March 20, 2001
    Publication date: January 24, 2002
    Applicant: Clearwater, Inc.
    Inventor: Kevin W. Smith
  • Patent number: 6319879
    Abstract: Derivatives of bicyclo[2.2.1]heptane in the invention have a high traction coefficient under high temperature and an excellent viscosity characteristic under low temperature and are useful for the fluid for a traction drive, and a method in the invention produces such derivatives economically and efficiently.
    Type: Grant
    Filed: June 28, 1999
    Date of Patent: November 20, 2001
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Yukio Yoshida, Toshiyuki Tsubouchi, Motohisa Ido, Hitoshi Hata
  • Patent number: 6315920
    Abstract: An electrical oil having reduced gassing tendency includes a major amount of a paraffinic or naphthenic basestock and a blend of certain hindered phenols, especially a blend of 2,6-di-t-butyl phenol and 2,6-di-t-butyl cresol. A further enhanced gassing tendency can be provided to the electrical oil by including a tolyltriazole derivative.
    Type: Grant
    Filed: September 10, 1999
    Date of Patent: November 13, 2001
    Assignee: Exxon Research and Engineering Company
    Inventors: Christopher Jeffrey Still Kent, Jacob B. Angelo
  • Publication number: 20010015421
    Abstract: 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: Application
    Filed: February 16, 2001
    Publication date: August 23, 2001
    Applicant: AGENCY FOR DEFENSE DEVELOPMENT
    Inventors: Moon-Suk Suh, Min-Jae Shin, Kyo-Jun Choi, In-Sik Han, Sun-Kyu Jeong, Seung-Bok Choi, Kum-Gil Sung, Ho-Guen Lee
  • Patent number: 6277306
    Abstract: An electro-rheological fluid made from an oil medium and fine particulates by mixing, is highly reliable and in which dielectric breakdown, such as generation of electrical discharge, is very low even when a high voltage is applied. A method of manufacturing the electro-rheological fluid and a method of storing the fluid are also provided. The electro-rheolological fluid includes fine particulates dispersed in an oil medium having an electric insulation property, and has a dielectric breakdown strength of 4 kV/mm or more. When the electro-rheological fluid is placed under a reduced pressure of 10 Pa, foaming does not occur. Alternatively, the electro-reheoleological fluid can contain 20% by volume or more of a gas contained in the oil medium that has a dielectric breakdown strength of 4 kV/mm or more.
    Type: Grant
    Filed: November 27, 1998
    Date of Patent: August 21, 2001
    Assignee: Bridgestone Corporation
    Inventors: Shigeki Endo, Takayuki Maruyama, Hiroaki Wada, Tasuku Saito
  • Patent number: 6274067
    Abstract: High oleic acid triglyceride compositions that comprise fatty acid components of at least 75% oleic acid, less than 10% diunsaturated fatty acid component; less than 3% triunsaturated fatty acid component; and less than 8% saturated fatty acid component; and having the properties of a dielectric strength of at least 35 KV/100 mil gap, a dissipation factor of less than 0.05% at 25° C., acidity of less than 0.03 mg KOH/g, electrical conductivity of less than 1 pS/m at 25° C., a flash point of at least 250° C. and a pour point of at least −15° C. are disclosed. Electrical insulation fluids comprising the triglyceride composition are disclosed. Electrical insulation fluids that comprise the triglyceride composition and a combination of additives are disclosed. Electrical apparatuses comprising the electrical insulation fluids and the use of electrical insulation fluids to provide insulation in electrical apparatuses are disclosed.
    Type: Grant
    Filed: May 28, 1999
    Date of Patent: August 14, 2001
    Assignee: ABB Power T&D Company Inc.
    Inventors: Thottathil V. Oommen, C. Clair Claiborne
  • Patent number: 6270836
    Abstract: The invention relates to gel-coated microcapsules which have improved mechanical stress- and flame-resistance. A method for making the gel coated microcapsules is also provided. Phase change materials can be included in the microcapsules to provide thermal control in a wide variety of environments.
    Type: Grant
    Filed: January 14, 2000
    Date of Patent: August 7, 2001
    Assignee: Frisby Technologies, INc.
    Inventor: Mark E. Holman
  • Patent number: 6255263
    Abstract: Hydraulic or industrial functional fluids which exhibit excellent demulse performance are prepared comprising at least one oil-soluble polyoxypropylene glycol monoalkyl ether.
    Type: Grant
    Filed: March 2, 2000
    Date of Patent: July 3, 2001
    Assignee: Ethyl Petroleum Additives, LTD
    Inventor: Helen T. Ryan
  • Publication number: 20010005008
    Abstract: The hydraulic oil is based on natural fatty acid esters. The basic material of the hydraulic oil is selected from the following esters of tall oil or their mixture: ester of a polyhydroxy compound of neopentane, such as trimethylolpropane ester (TMP ester), pentaerythritol ester, trimethylolethane ester, trimethylolbutane ester, neopentyl glycol ester, and poly(ethyleneglycol) ester, and it further contains at least an oxidation inhibitor, a corrosion inhibitor, an antifoam agent, and an EP lubricant.
    Type: Application
    Filed: September 4, 1998
    Publication date: June 28, 2001
    Applicant: Ari Linden
    Inventors: ARI LINDEN, ARTO TONTTILA, MIKA TONTTILA
  • Patent number: 6245254
    Abstract: A working fluid composition comprising: (A) a heat transfer fluid comprising a mixture of at least two compounds selected from the group consisting of hydrofluoroalkanes and fluoroalkanes; and (B) sufficient to provide lubrication of a lubricant which is at least partially soluble in each component of the heat transfer fluid.
    Type: Grant
    Filed: November 24, 1997
    Date of Patent: June 12, 2001
    Assignee: Imperial Chemical Industries PLC
    Inventor: Stuart Corr
  • Patent number: 6242393
    Abstract: A traction drive fluid comprises a tractant selected from the specific types of hydrocarbons, carboxylates and carbonate, optionally an effective amount of a base oil selected from a mineral oil and a synthetic oil and additives selected from a viscosity index improver, a ashless dispersant, a phosphorus-containing additive, a friction adjusting agent, a metallic detergent, an oxidation inhibitor, a polar additive, a corrosion inhibitor, a rubber swelling agent, a antifoamer and a colorant.
    Type: Grant
    Filed: April 8, 1999
    Date of Patent: June 5, 2001
    Assignee: Nippon Mitsubishi Oil Corporation
    Inventors: Noboru Ishida, Junya Kohno, Shinichi Shirahama, Tetsuo Okawa
  • Patent number: 6239320
    Abstract: A high temperature heat transfer fluid is disclosed which comprises a mixture of 1,2,3,4-tetrahydro(1-phenylethyl)naphthalene and dibenzyl toluene to provide high temperature heat transfer fluids exhibiting favorable thermal stability.
    Type: Grant
    Filed: January 6, 2000
    Date of Patent: May 29, 2001
    Assignee: The Dow Chemical Company
    Inventors: Abel Mendoza, John B. Cuthbert