Patents Assigned to E
  • Patent number: 5821378
    Abstract: Improved liquid phase process useful in the hydrocyanation of diolefinic compounds to produce nonconjugated acyclic nitrites and to the liquid phase process of isomerization of the nitrites to 3- and/or 4-monoalkene linear nitriles. The improvement involves conducting the process in the presence of zero-valent nickel and a multidentate phosphite ligand. The invention also provides a novel method of making phosphorochloridite.
    Type: Grant
    Filed: November 28, 1995
    Date of Patent: October 13, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Thomas Foo, Wilson Tam
  • Patent number: 5821895
    Abstract: A method and device for locating and identifying objects uses an encoding transponder in combination with the use of an SAR device carried in aircraft and spacecraft. Signals transmitted by the SAR device are received by the transponder are provided with an additional dominant signal structure and subsequently retransmitted back to the SAR device. Once the modulated code sequence is known, a signal correlation can be carried out between the signals output by the transponder and the signal reflected from the environment.
    Type: Grant
    Filed: May 23, 1996
    Date of Patent: October 13, 1998
    Assignee: Deutsche Forschungsanstalt Fur Luft-Und Raumfahrt E.
    Inventors: David Hounam, Karl-Hans Waegel
  • Patent number: 5820984
    Abstract: A process for spinning a fully water washed fluorinated olefinic polymer intermediate fiber structure from a mixture of an aqueous dispersion of particles of the fluorinated olefinic polymer and a solution of a cellulosic ether.
    Type: Grant
    Filed: September 18, 1997
    Date of Patent: October 13, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Nicole Lee Blankenbeckler, Joseph Michael Donckers, II, Warren Francis Knoff
  • Patent number: 5820591
    Abstract: Compound steering assemblies, usable in both diagnostic and therapeutic applications, enable a physician to swiftly and accurately steer the distal section of the catheter in multiple planes or complex curves to position and maintain ablation and/or mapping electrodes in intimate contact with an interior body surface.
    Type: Grant
    Filed: May 13, 1996
    Date of Patent: October 13, 1998
    Assignee: E. P. Technologies, Inc.
    Inventors: Russell B. Thompson, Sidney D. Fleischman, James G. Whayne, David K. Swanson
  • Patent number: 5821837
    Abstract: A multi-mode, typically triple-mode, cavity (1), for waveguide band-pass filters is disclosed, which cavity requires no tuning or coupling screws and rounded. The cavity comprises a waveguide element such as an iris (IR1) or a waveguide segment (CR2) arranged in a generically eccentric position with respect to the general development of the cavity and in particular to the main axis (Z) of the same. The cavity may be used to make narrowband filters for satellite communications. A filter comprising cavities (1) of the type described can be designed entirely using an electronic computer and requires no calibration procedure.
    Type: Grant
    Filed: December 26, 1996
    Date of Patent: October 13, 1998
    Assignee: Cselt- Centro Studi e Laboratori Telecomunicazioni S.p.A.
    Inventors: Luciano Accatino, Giorgio Bertin
  • Patent number: 5817180
    Abstract: A novel dry thinned starch produced by continuously feeding a mixture of a base starch and a chemical which hydrolyses the glycosidic linkage of starch to a plug flow reactor, passing the mixture through the reactor, recovering the mixture and neutralizing the mixture. The present invention also includes starches produced by the process and paper products produced from the starch and coated with the starch.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: October 6, 1998
    Assignee: A. E. Staley Manufacturing
    Inventors: Cameron E. Ferguson, Lawrence S. Ferro, Robert Mooth, Michael D. Harrison
  • Patent number: 5817740
    Abstract: New polyester composition for new polyester staple fiber that provides fabrics having a combination of excellent pilling performance, aesthetics and tactility ("hand"). Preferred fibers have non-round cross-sections that are retained, especially such non-round cross-sections having multi-grooved scalloped-oval cross-sections that provide fabrics having outstanding comfort qualities of moisture-management, dryness and comfort, along with minimal pilling.
    Type: Grant
    Filed: December 17, 1997
    Date of Patent: October 6, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Harvey Gene Anderson, Arun Pal Aneja, Robert Lee Edmundson, Adrian Charles Snyder
  • Patent number: 5818981
    Abstract: A high performance optical circulator is formed by a polarization beam splitter and optical port assemblies. The polarization beam splitter is formed by two prisms with an interface between the prisms. The interface transmits linearly polarized light directed at the interface in directions responsive to a polarization orientation of linearly polarized light. The optical port assemblies are arranged with respect to the polarization beam splitter so that light from one port assembly is transmitted by the polarization beam splitter interface to another optical port assembly and light from this optical port assembly is transmitted by the beam splitter interface to still another optical port assembly.
    Type: Grant
    Filed: September 4, 1997
    Date of Patent: October 6, 1998
    Assignee: E-Tek Dynamics, Inc.
    Inventors: J. J. Pan, Kai Zhang, Yonglin Huang
  • Patent number: 5817415
    Abstract: Ethylene/carboxylic acid ionomers may be made, using a meltspun, and particularly meltblown process, into microfibers and thence to filter webs which are efficient gas filters for removing particles having a diameter of from 0.5 to 20 microns from a gas. The webs are effective without a deliberate specific post-charging operation during production. A deliberate post-charging operation can also be carried out to result in further efficiency.
    Type: Grant
    Filed: September 12, 1996
    Date of Patent: October 6, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Richard Tien-Hua Chou, Patrick Stephen Ireland, Charles John Molnar, Hyun Sung Lim, Hyunkook Shin
  • Patent number: 5817710
    Abstract: Polymethyl methracrylate (PMMA) articles filled with alumina trihydrate (ATH) are made by a compression molding technique wherein methyl methacrylate monomer is completely absorbed into performed particles of PMMA and of PMMA filled with ATH to give a mix with the consistency of dry sand, the mix is placed into rigid mold, and pressure and heat are applied to the mold, causing monomer to exude from the mix and to cure in the interstices.
    Type: Grant
    Filed: January 17, 1997
    Date of Patent: October 6, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Gin Guei H. Ebnesajjad
  • Patent number: 5817403
    Abstract: A nonwoven fabric characterized in that it contains:1) a fiber comprising a copolymer of propylene and ethylene; and2) a fiber comprising a polypropylene homopolymer is disclosed.
    Type: Grant
    Filed: October 9, 1996
    Date of Patent: October 6, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Emile M. Gillyns, Victor L. E. Paquay, Joseph A. Rausch
  • Patent number: 5817299
    Abstract: The present invention relates to nonchemical sunscreen composition comprising as its active components, in synergistically effective amounts, a plant extract containing at least about 50% by weight of proanthocyanidins, .gamma.-oryzanol, ferulic acid and/or an ester thereof, titanium dioxide and optionally, Scutellaria extract.
    Type: Grant
    Filed: November 1, 1996
    Date of Patent: October 6, 1998
    Assignee: E-L Management Corp.
    Inventor: Abul M. Manirazman
  • Patent number: 5817893
    Abstract: A process is disclosed for producing 1,12,2,3,3,4,4-octafluorobutane. The process involves chlorination of 2,2,3,3-tetrafluorobutane to form a mixture of chloro-compounds wherein compounds of the formula C.sub.4 H.sub.4 Cl.sub.6-x F.sub.4 (where x is 0 or 1) comprise at least 50 mole % of the mixture of chloro-compounds, followed by hydrofluorination, then hydrogenolysis, and sufficient recycle to provide a selectivity to CHF.sub.2 CF.sub.2 CF.sub.2 CHF.sub.2 of at least about 75% based upon the moles of CH.sub.3 CF.sub.2 CF.sub.2 CH.sub.3 reacted. Also disclosed is a multi-distillation process for the purification of CHF.sub.2 CF.sub.2 CF.sub.2 CHF.sub.2 from a mixture of HF and the compound(s). Also disclosed are certain new halogenated butanes containing fluorine, and a composition which contains HF in combination with an effective amount of CHF.sub.2 CF.sub.2 CF.sub.2 CHF.sub.2 to form an azeotrope or azeotrope-like composition with hydrogen fluoride.
    Type: Grant
    Filed: June 3, 1997
    Date of Patent: October 6, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Ralph Newton Miller, V. N. Mallikarjuna Rao, Allen Capron Sievert
  • Patent number: 5818329
    Abstract: A vehicle security system includes a controller that may also the disarmed mode responsive to receiving a predetermined coded signal from a remote transmitter, and generate an alarm based upon receipt of a coded signal other than the predetermined coded signal from the remote transmitter. More particularly, the coded signal may comprise a pseudorandomly coded signal which is decoded by the controller. The alarm may be generated based upon detecting a previously received pseudorandomly coded signal. Method aspects of the invention are also disclosed.
    Type: Grant
    Filed: July 29, 1996
    Date of Patent: October 6, 1998
    Assignee: Kenneth E. Flick
    Inventor: Geoffrey C. Allen
  • Patent number: 5819240
    Abstract: A system and method for printing a postage meter stamp, including a desired postage amount and a personalized postage indicia, onto a piece of mail. A user takes a postal storage device to the Post Office in order to obtain a replenishment of the amount of postage stored within the postage storage device. A desired amount of postage is entered into the storage device by a postal employee through a processor-based system. The user is then able to access this stored postage at the user's location through a complementary processor-based system. The user is also able to create or to select one of a variety of graphical configurations of postage indicia to be imprinted as the postage meter stamp on a piece of mail.
    Type: Grant
    Filed: October 11, 1995
    Date of Patent: October 6, 1998
    Assignee: E-Stamp Corporation
    Inventor: Salim G. Kara
  • Patent number: 5816700
    Abstract: A mixing apparatus for continuously generating a homogeneous mixture of a polymer and a less viscous fluid is provided. The mixer includes means for continuously injecting a viscous polymer into a pressure vessel; means for continuously injecting a lower viscosity fluid into the pressure vessel; means for continuously injecting a plasticizing agent into the viscous polymer entering the pressure vessel; high shear centrifugal mixing means within the pressure vessel for mixing the polymer and the less viscous fluid; drive means for rotating the rotational mixing means; heating means for maintaining the temperature of the substances being mixed in the pressure vessel at a desired mixing temperature; and means for continuously discharging a homogeneous mixture of the polymer, the plasticizing agent, and the less viscous fluid from the mixer.
    Type: Grant
    Filed: October 23, 1996
    Date of Patent: October 6, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Charles Wesley Starke, Sr., Don Mayo Coates, Tom E. Estep, Arthur William Etchells, III, Ashok H. Shah, Edgar W. Slocum
  • Patent number: 5817419
    Abstract: An aqueous dispersion contains melt-fabricable fluoropolymer particles and acrylic copolymer particles, said acrylic copolymers having a decomposition temperature of less than 340.degree. C., wherein the dispersion contains about 75 to about 95 wt % of fluoropolymer and about 5 to about 25 wt % of acrylic copolymer, based on combined weights of the two polymers. Coated articles comprise a substrate coated with a primer layer, optional intermediate coats, and a topcoat with at least the topcoat being formed from the aqueous dispersion.
    Type: Grant
    Filed: July 12, 1996
    Date of Patent: October 6, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Michael Fryd, Peter Louis Huesmann, Allan Harold Olson
  • Patent number: 5817723
    Abstract: A toughened thermoplastic polymer composition comprising (a) 1-30 weight percent of a polar toughening agent compatibilized with a polyphenol, and (b) 70-99 weight percent of at least one thermoplastic polymer, the above state percentages being based on the total weight of components (a) and (b) only.
    Type: Grant
    Filed: September 4, 1996
    Date of Patent: October 6, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Edmund Arthur Flexman, Jr., Tatsuhiro Takahashi, Toshikazu Kobayashi
  • Patent number: D399395
    Type: Grant
    Filed: February 28, 1997
    Date of Patent: October 13, 1998
    Assignee: E&B Giftware, Inc.
    Inventor: Rick Persons
  • Patent number: D399547
    Type: Grant
    Filed: August 21, 1997
    Date of Patent: October 13, 1998
    Assignee: Bruce E. Sizemore, Jr. Golf Design, L.L.C.
    Inventor: Bruce Edward Sizemore, Jr.