Patents Assigned to E
  • Patent number: 6688118
    Abstract: This invention relates to compositions of cyclopentane, and a compound selected from the group consisting of hydrofluorocarbons, hydrofluoroethers, or fluorinated sulfur compounds. Specifically these compounds may be selected from the group consisting of tetrafluoroethane, hexafluoropropane, pentafluoropropane, tetrafluoropropane, trifluoropropane, difluoropropane, octafluorobutane, hexafluorobutane, pentafluorobutane, nonafluorobutane, difluorobutane, trifluoro-2-methoxyethane and bis(pentafluoroethyl)sulfide. The compositions, which may be azeotropic or azeotrope-like, may be used as refrigerants, cleaning agents, expansion agents for polyolefins and polyurethanes, aerosol propellants, refrigerants, heat transfer media, gaseous dielectrics, fire extinguishing agents, power cycle working fluids, polymerization media, particulate removal fluids, carrier fluids, buffing abrasive agents or displacement drying agents.
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: February 10, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Barbara Haviland Minor
  • Patent number: 6688127
    Abstract: This invention relates generally to cryogenic devices and, more particularly, to cryogenic devices of very small size based on superconducting elements, low thermal transmission interconnects and low dissipated power semiconductor
    Type: Grant
    Filed: July 2, 2002
    Date of Patent: February 10, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Daniel B. Laubacher, Zhi-Yuan Shen, Philip Shek Wah Pang, Alan Lauder
  • Patent number: 6689341
    Abstract: A dental composition for the treatment of dentinal hypersensitivity and in particular for the desensitization of exposed dentin, the desensitizing treatment of deep cavities, the desensitizing treatment when replacing dental layers, the stumps desensitizing treatment before placing dental prosthesis. The composition can be used as a solution or as a gel. In the first case two distinct liquid solutions for use successively on the exposed dentin are provided for. In the second case two distinct gel compounds spread successively on the exposed dentin are provided for. The first solution or the first gel compound comprises preferably three soluble potassium salts, whereas the second solution or the second gel compound comprises a calcium salt and a soluble strontium salt.
    Type: Grant
    Filed: September 6, 2000
    Date of Patent: February 10, 2004
    Assignee: Italmed S.n.c. di Galli G. e Pacini G.
    Inventor: Giovanna Galli
  • Patent number: 6689910
    Abstract: Olefins containing selected functional groups such as silyl, ether and alkenyl, and often containing a blocking group, may be copolymerized with unsubstituted olefins such as ethylene and propylene in the presence of certain coordination compounds of nickel or palladium. The resulting polymers are useful as molding resins, elastomers, in adhesives and for films.
    Type: Grant
    Filed: May 12, 2003
    Date of Patent: February 10, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Lin Wang, Samuel David Arthur, Elizabeth Forrester McCord, Yueli Wang, Peter Arnold Morken, Lynda Kaye Johnson
  • Patent number: 6689833
    Abstract: Fluoropolymer resin is stabilized and/or whitened by addition of a small amount of alkali metal nitrate prior to extrusion. The nitrate can be introduced during polymerization, isolation, or preparation of extruder feed.
    Type: Grant
    Filed: February 13, 1998
    Date of Patent: February 10, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: David Elton Bidstrup, Leslie Mitchell Blair
  • Patent number: 6689892
    Abstract: This invention concerns a process for the manufacture of anhydro- and dianhydro- hexitols, pentitols, and tetritols by the dehydration of sugar alcohols (alditols) in the presence of a dehydration catalyst and with the assistance of an inert gas sparge.
    Type: Grant
    Filed: May 24, 2001
    Date of Patent: February 10, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Mark Allen Andrews, Kamlesh Kumar Bhatia, Paul Joseph Fagan
  • Patent number: 6688795
    Abstract: A product package includes a disposable applicator pad assembly. The applicator pad assembly has a porous foam pad with an elastomer strip bonded to the perimeter of the pad. The elastomer strip is compressed between a retaining ring and the package to impermeably secure the pad assembly to the package. A cap is provided to cover the applicator pad. A sealing skirt depending from the cap is dimensioned to contact an inner annular portion of the strip in sealing engagement to prevent evaporation and to protect the applicator pad and package contents from contamination.
    Type: Grant
    Filed: November 6, 2002
    Date of Patent: February 10, 2004
    Assignee: E-L Management Corp.
    Inventors: Christophe Jacob, Herve F. Bouix
  • Patent number: 6689483
    Abstract: The present invention relates to an improved packaging composition comprising an ethylene copolymer selected from ethylene acid or ester copolymers such as ethylene vinyl acetate, ethylene/acrylic acid or methacrylic acid copolymers which optionally contain a third comonomer such as an alkyl acrylate and the corresponding ionomers of said copolymers which are blended with a hydrophilic zeolite to form a composition which removes residual acids or small esters from the polymeric or ionomeric composition containing such residual acids. The acids may be present as initial by products in the copolymerization process or may be degradation products. The use of these compositions is particularly important when the resins are formed into packages or other fabricated material which are exposed to acid sensitive material.
    Type: Grant
    Filed: November 28, 2001
    Date of Patent: February 10, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: George Lok Kwong Hoh, David Richard Corbin, Steven B. Oblath
  • Patent number: 6689601
    Abstract: A high growth methanotrophic bacterial strain capable of growth on a C1 carbon substrate has been isolated and characterized. The strain has the unique ability to utilize both methane and methanol as a sole carbon source and has been demonstrated to possess a functional Embden-Meyerhof carbon flux pathway. The possession of this pathway conveys an energetic advantage to the strain, making it particularly suitable as a production platform for the production of biomass from a C1 carbon source.
    Type: Grant
    Filed: August 22, 2001
    Date of Patent: February 10, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Mattheos Koffas, James M. Odom, Andreas Schenzle
  • Patent number: 6689457
    Abstract: The present invention provides compositions comprising a graphite, binder precursor and low polarity solvent that upon hardening form layers of an electrically conductive material. The compositions of the present invention are sprayable by an internally charged electrostatic sprayer.
    Type: Grant
    Filed: October 17, 2001
    Date of Patent: February 10, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: David C. K. Chang, Monica A. Pickett, Debra Feldman Singer, Aleksandr Sorser, Debra Sue Strickland
  • Publication number: 20040024655
    Abstract: An e-mail message is analyzed to derive response information concerning a commercial transaction. Based on the derived information, commercial transaction data are automatically generated in a format that is usable to automatically complete the commercial transaction.
    Type: Application
    Filed: April 4, 2003
    Publication date: February 5, 2004
    Applicant: E-Dialog, Inc.
    Inventor: Anthony D. Estes
  • Patent number: 6684530
    Abstract: A moisture and temperature regulating insole for a shoe. The shoe includes a body having a cover and a base layer connected to the cover, and a sole having a base connected to the body and an expansive foam between the body and the base. The insole includes an absorbent layer, an elastic layer, and a closure layer. The insole is connected to the body and to the sole such that the insole absorbs the moist air within the shoe during an advance phase of the foot when the shoe is detached from the ground or floor and delivers the absorbed air with a lower content of moisture and temperature during the support phase of the foot when the shoe is supported on the ground or floor, in part to the environment and in part to the shoe body.
    Type: Grant
    Filed: January 19, 2001
    Date of Patent: February 3, 2004
    Assignee: Asesorfas e Inversiones Santa Francisca Limitada
    Inventor: Alfonso Andrés Swett Opazo
  • Patent number: 6686434
    Abstract: Complexes of certain transition metals with certain phosphorous-nitrogen bidentate ligands are part of all of catalyst systems for the polymerization of ethylene. Under certain polymerization conditions novel, highly branched, homopolyethylenes may be produced.
    Type: Grant
    Filed: April 26, 2002
    Date of Patent: February 3, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Zhibin Guan
  • Patent number: 6684618
    Abstract: Polyester carpets of poly(trimethylene terephthalate) are disclosed which have excellent stain-resistance, texture retention and resistance to crushing. The bulked continuous filament yarn used to make the carpets and the process for making the yarns are also disclosed.
    Type: Grant
    Filed: March 14, 2001
    Date of Patent: February 3, 2004
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James Milton Howell, Wae-Hai Tung, Frank Werny
  • Patent number: 6687516
    Abstract: A signal wire connecting between a hand-free receiver and a mobile telephone includes a first side having a hand-free receiver plug co-operating with the hand-free receiver so as to be connected to the main circuit of the hand-free receiver, and a second side having a mobile telephone plug co-operating with the output receptacle of the mobile telephone so as to be connected to the mobile telephone. In such a manner, the mobile telephone plug includes a voltage control leg provided with a first branch resistor which is adapted to match the power supply circuit of the hand-free receiver to obtain the exact voltage supply value of the mobile telephone, which can be outputted to the power supply input leg of the mobile telephone to function as the power supply of the mobile telephone.
    Type: Grant
    Filed: December 29, 2000
    Date of Patent: February 3, 2004
    Assignee: E-Lead Electronic Co., Ltd.
    Inventor: Tonny Chen
  • Patent number: 6686310
    Abstract: This invention concerns novel compositions, useful as hydrogenation catalyst, said compositions comprising metals and metal ions such as ruthenium (Ru) or palladium (Pd) dispersed in and distributed throughout a matrix comprising an inorganic or silicon oxide network. The catalyst may be prepared by the sol-gel method; a solution of at least one catalytic metal compound is added to a solution of at least one metal alkoxide selected from Al, Ti, Nb, Zr, Ta, Si and other inorganic alkoxides, and then gelling the mixture. Promotors such as rhenium (Re), molybdenum (Mo) and tin (Sn) may be added. The catalyst may be used in the reduction of metallic acid or gamma-butyrolactone to tetrahydrofuran (THF) and 1,4-butanediol (BDO).
    Type: Grant
    Filed: June 28, 2001
    Date of Patent: February 3, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Kostantinos Kourtakis, Daniel Campos, Leo Ernest Manzer
  • Patent number: 6685859
    Abstract: Processes for making poly(trimethyelene terephthalate) yarn are provided. The process includes extruding a polyester polymer through a spinneret to form non-round filaments at a spinning speed less than 4500 mpm and a temperature between about 255° C. and about 275° C. The polyester polymer composition includes at least 85 mole percent poly(trimethylene terephthalate) wherein at least 85 mole percent of the repeating units consist of trimethylene units, and the polyester polymer has an intrinsic viscosity of at least 0.70 dl/g.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: February 3, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: James M. Howell, Joe Forrest London, Jr.
  • Patent number: 6686412
    Abstract: Pastes containing flatting agents and/or texture additives, containing A) 5 to 30 wt. % of one or more thixotropic (meth)acrylic copolymers and/or one or more thixotropic polyesters B) 15 to 45 wt. % of one or more flatting and/or texturing agents, C) 30 to 65 wt. % of one or more organic solvents and optionally wetting and dispersing agents, rheology modifiers, catalysts and optionally further additives and auxiliaries, wherein the proportions of components A), B) and C) add up to 100 wt. % and the weight ratio of thixotropic (meth)acrylic copolymer and/or thixotropic polyester: flatting and/or texturing agents is 1:6 to 1:0.8.
    Type: Grant
    Filed: December 11, 2000
    Date of Patent: February 3, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Günter Berschel, Udo Hellmann, Werner Stephan, Wolfgang Stricker
  • Patent number: 6685965
    Abstract: The present invention refers to a process for stabilizing LAA in an aqueous medium, which includes the step of contacting the LAA with at least one-compound capable of forming hydrogen bridges with the LAA. In another aspect, the invention relates to a stable aqueous LAA composition which includes, in addition to the ascorbic acid, at least one compound which is linked to the LAA by hydrogen bridges, and to a process for preparing it. The present invention further relates to an emulsion including, in its aqueous phase, at least one compound linked to levogyre ascorbic acid (LAA) by hydrogen bridges. Further according to the present invention a vitamin product is provided, in which a stable LAA composition as described above is contained in organic envelopes which enable a gradual and prolonged release of the LAA into the organism. The vitamin product may further include a compound capable of stimulating the metabolism of the fibroblasts.
    Type: Grant
    Filed: October 19, 1999
    Date of Patent: February 3, 2004
    Assignee: Industria E Comercio de Cosmeticos Natura LTDA.
    Inventors: Roberto Alcantara Martins Zucchetti, Simoni Chitarra Souza, Philippe Joseph Pommez, Karla De Souza Araújo
  • Patent number: D486576
    Type: Grant
    Filed: April 21, 2003
    Date of Patent: February 10, 2004
    Assignee: Johnson & Johnson Industria E Comercio Ltda.
    Inventors: Antonio Carlos Ribeiro De Carvalho, Marcia Helena Teixeira Fajolli, Flavia Guimaraes Guaragna