Patents Assigned to E
  • Color sample holder to enhance repeatability of instrumental color readings
    Patent number: 6804006
    Abstract: An apparatus for holding a generally flat color sample in a plurality of fixed and repeatable positions in proximity with the optics of a portable color instrument with a uniform and repeatable force. The apparatus has a platform upon which the portable color instrument is secured, a sample stage with multiple index planes upon which a color sample is placed, and a device which urges a pressure foot against the color sample, thereby holding the color sample in position on the stage with a uniform and repeatable force.
    Type: Grant
    Filed: July 2, 2002
    Date of Patent: October 12, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: David L. Griffus, Allan B. Rodrigues
  • Cable with fire-resistant, moisture-resistant coating
    Patent number: 6803517
    Abstract: The disclsoure describes an electric conductor having a coating layer with the property of strippability so that it can be stripped from the electric conductor, and a method for controlling the strippability of the coating layer from the electric conductor, with the electrical insulation properties of the cable coating being kept constant after exposure to moisture. The method involves adding to a polymeric composition forming the coating layer a predetermined amount of a polyolefinic compound, which contains at least one unsaturation and at least one carboxyl group in the polymer chain.
    Type: Grant
    Filed: August 10, 2001
    Date of Patent: October 12, 2004
    Assignee: Pirelli Cavi e Sistemi S.p.A.
    Inventor: Luigi Caimi
  • Trunked radio repeater communication system including home channel aliasing and call grouping
    Patent number: 6804529
    Abstract: A system for channel assignment in a trunked transmission communication system including a plurality of subscribers. A plurality of subscribers is provided home channel assignment to reduce collisions. A home channel alias is provided for home channel coverage where a designated home channel is unavailable. A system for call grouping is provided to avoid talk group splitting. A first check is used to determine if other channels are conducting communications with identical home and talk group information. A second check is available after a temporary channel assignment. In one system both the home channel aliasing and call grouping are performed.
    Type: Grant
    Filed: February 2, 2001
    Date of Patent: October 12, 2004
    Assignee: Transcrypt Internationall E. F. Johnson Company
    Inventors: Keith W. Barnes, Rory A. Smith, Mervin L. Grindahl
  • Organic sulfur reduction in wastewater
    Patent number: 6802976
    Abstract: A process for reducing organic sulfur in a fluid, which comprises an organic sulfur compound, comprises contacting the fluid with an oxidizing agent to produce a pretreated fluid and contacting the pretreated fluid with an biologically active solid.
    Type: Grant
    Filed: May 13, 2002
    Date of Patent: October 12, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Carl Eugene Camp, John George Hnat, Jr.
  • Device and method to optimize combustion of hydrocarbons
    Patent number: 6802706
    Abstract: Device (10) and method to optimize the combustion of hydrocarbons able to be used as fuel and mixed with air containing oxygen, said device (10) comprising means (20, 23) to generate a magnetic field, advantageously of the pulsating type, in correspondence with a fuel feed pipe (13).
    Type: Grant
    Filed: August 8, 2002
    Date of Patent: October 12, 2004
    Assignee: E-Col. Energy SRL
    Inventor: Antonio Collesan
  • Reclining passenger seat having a visual seat position indicator
    Publication number: 20040195875
    Abstract: A reclining passenger seat having a visual seat position indicator. The seat includes a seat frame for being attached to a supporting deck, a seat bottom carried by the seat frame, a seat back carried by the seat frame and moveable relative to the seat bottom between a fully upright and reclined positions, and a sensor for determining when the seat back is and is not in the fully upright position. A visual seat position indicator light is operatively associated with the sensor and positioned so as to be observed by a cabin attendant without having to directly observe the seat back for determining whether the seat back is in a fully upright position. The passenger seat may include an end bay for being positioned adjacent a passageway, and the visual seat position indicator light is positioned on the end bay, or the indicator lights may be mounted on one or more display panels.
    Type: Application
    Filed: April 1, 2003
    Publication date: October 7, 2004
    Applicant: B E Aerospace, Inc.
    Inventor: Trevor B. Skelly
  • Production of aromatic carboxylic acids
    Publication number: 20040199006
    Abstract: A process for the production of an aromatic carboxylic acid comprising contacting in the presence of a catalyst, within a continuous flow reactor, one or more precursors of the aromatic carboxylic acid with an oxidant, such contact being effected with said precursor(s) and the oxidant in an aqueous solvent comprising water under supercritical conditions or near supercritical conditions close to the supercritical point such that said one or more precursors, oxidant and aqueous solvent constitute a substantially single homogeneous phase in the reaction zone, wherein the contact of at least part of said precursor with said oxidant is contemporaneous with contact of said catalyst with at least part of said oxidant.
    Type: Application
    Filed: April 28, 2004
    Publication date: October 7, 2004
    Applicant: E. I. duPont de Nemours and Company
    Inventors: Derek Alexander Graham, Paul Anthony Hamley, Raymond Oliver, Martyn Poliakoff, Duncan C. Woodcock, Thomas Ilkenhans
  • BACKPLANES FOR ELECTRO-OPTIC DISPLAYS
    Publication number: 20040196215
    Abstract: A backplane for an electro-optic display comprises a pixel electrode (104), a voltage supply line (C) arranged to supply a voltage to the pixel electrode (104), and a micromechanical switch (106, 112) disposed between the voltage supply line (C) and the pixel electrode (104), the micromechanical switch (106, 112) having an open state, in which the voltage supply line (C) is not electrically connected to the pixel electrode (104), and a closed state, in which the voltage supply line (C) is electrically connected to the pixel electrode (104).
    Type: Application
    Filed: December 16, 2003
    Publication date: October 7, 2004
    Applicant: E INK CORPORATION
    Inventors: Gregg M. Duthaler, Robert W. Zehner, Charles H. Honeyman, Kevin L. Denis, Matthew A. King, Jianna Wang
  • Processor controlled discharge ignition with fixed firing angle at startup
    Patent number: 6799557
    Abstract: An ignition apparatus for use with an internal combustion engine to produce an electrical spark at a spark ignition device. The ignition apparatus includes triggering circuitry having a processor with stored timing data. The processor receives a signal indicative of the rotational position of the magnet and generates a triggering signal. The triggering circuitry switches between a first mode wherein the triggering signal occurs at a fixed time relative to top dead center and a second mode wherein the triggering signal occurs at a variable time relative to top dead center based on the stored timing data.
    Type: Grant
    Filed: March 10, 2003
    Date of Patent: October 5, 2004
    Assignee: R. E. Phelon Company, Inc.
    Inventors: Roy J. Fewell, Jr., Todd B. Johnson
  • Preservation of paper and textile materials
    Patent number: 6800176
    Abstract: A method is disclosed for strengthening a paper or textile article. The method involves (a) applying to the article a solution of an amorphous fluoropolymer in a perfluoroalkane solvent; and (b) drying the article. Also disclosed are strengthened paper and textile articles which include a fibrous paper or textile substrate, and amorphous fluoropolymer interconnecting fibers of the substrate.
    Type: Grant
    Filed: November 13, 2001
    Date of Patent: October 5, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Andrew Kelsey Birchenall
  • Phosphole and dishosphole ligands for catalysis
    Patent number: 6800719
    Abstract: Novel reactions used to prepare phosphole and bisphosphole compounds are detailed. Novel phosphole compounds and metal coordination compounds of phosphole and bisphosphole compounds are also provided. These metal coordination compounds are useful as catalysts for the polymerization or olefins with carbon monoxide and for the polymerization of acrylic monomers.
    Type: Grant
    Filed: April 11, 2003
    Date of Patent: October 5, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Paul J. Fagan, George Yanwu Li, Zhibin Guan, Lin Wang
  • Thermosetting electroconductive paste for electroconductive bump use
    Patent number: 6800223
    Abstract: The invention is directed to a thermosetting electroconductive paste for forming electroconductive bumps at predetermined locations on at least one circuit layer that is laminated to an insulating layer. Upon lamination the electroconductive bumps penetrate the insulating layer forming an electrical connection to a second circuit layer. The paste comprises, based on total composition, 80 to 90 wt % electroconductive powders comprising at least a first and second electroconductive metal powder of which packing densities are in the range of 20% or less of the average density (sp. gr.) of metal for the first powder and 20 to 40% of the average density (sp. gr.) of metal for the second powder; and 10 to 20 wt % epoxy resin, curing agent, and solvent.
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: October 5, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Hiroki Kojo, Hisashi Matsuno
  • Optical devices made from radiation curable fluorinated compositions
    Patent number: 6800424
    Abstract: The invention provides organic optical waveguide devices which employ perfluoropolymeric materials having low optical loss and low birefringence. An optical element has a substrate; a patterned, light transmissive perfluoropolymer core composition; and a light reflecting cladding composition on the pattern of the core. Writing of high-efficiency waveguide gratings is also disclosed.
    Type: Grant
    Filed: January 8, 2003
    Date of Patent: October 5, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Baopei Xu, Louay Eldada, Robert A. Norwood, Robert Blomquist
  • Interlayers for laminated safety glass with superior de-airing and laminating properties and process for making the same
    Patent number: 6800355
    Abstract: This invention relates to thermoplastic interlayers for laminated safety glass with superior vacuum de-airing at elevated temperatures and superior tacking and edge sealing properties. The sheeting has surface pattern on at least one of the surfaces characterized by flat surfaces with substantially uninterrupted channels for air flow in at least two intersecting directions. The channels allow for rapid de-airing while the area roughness parameter ratio ARp/ARt in the range of 0.52 to 0.62, ARt being less than 32 &mgr;m, and area kurtosis less than 2.5, allow for ease of tacking of the interlayer onto glass and edge sealing after de-airing has been completed. Said surface pattern may also be superimposed onto a pattern which is generated by melt fracture or other means on at least one side to enhance de-airing and aid edge sealing.
    Type: Grant
    Filed: August 16, 2002
    Date of Patent: October 5, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Bert C. Wong
  • Method and apparatus for heating nonwoven webs
    Patent number: 6799382
    Abstract: A process for drying/heat-treating nonwoven webs in which the web is partially dried under tension in a first drying zone and further heat treated under low tension or in a substantially tensionless state a second drying zone. The process significantly reduces the occurrence of stretch-type defects in the nonwoven webs.
    Type: Grant
    Filed: August 25, 2003
    Date of Patent: October 5, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: John C. Cleary, Michael C. Davis, Todd A. McCoy, Edgar N. Rudisill
  • Gypsum board having improved flexibility, toughness, abuse resistance, water resistance and fire resistance
    Patent number: 6800361
    Abstract: The present invention relates to a gypsum board having a nonwoven liner and a gypsum core. The gypsum board of the present invention has a high work to break, resulting in a gypsum board product that has a high resistance to abuse in use. The gypsum board of the invention is also more flexible and more resistant to water and fire than paper-lined gypsum board, and does not contain nutrients that support mold growth.
    Type: Grant
    Filed: June 14, 2002
    Date of Patent: October 5, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Robert B. Bruce, Ashok Harakhlal Shah
  • Methods for achieving improved color in microencapsulated electrophoretic devices
    Publication number: 20040190114
    Abstract: A method for manufacturing a full color, reflective display includes the steps of depositing a first plurality of electrophoretic display elements in substantial registration with a first electrode and a second plurality of electrophoretic display elements in substantial registration with a second electrode. The electrophoretic display elements include a capsule containing a species of particles dispersed in a suspending fluid. The selective deposition of the display elements can be achieved by ink-jet printing methods, screen printing methods or other printing methods. In some embodiments the electrodes are printed onto the substrate before selective deposition of the display elements, while in other embodiments the substrate is provided having the electrodes already disposed on it. In still other embodiments, the sequence of printing of electrodes and electrophoretic display elements can be varied.
    Type: Application
    Filed: April 2, 2004
    Publication date: September 30, 2004
    Applicant: E INK
    Inventors: Joseph M. Jacobson, Ian D. Morrison, Russell J. Wilcox, Paul Drzaic
  • Method of fabricating a polymer resistor in an interconnection via
    Publication number: 20040187297
    Abstract: A method of fabricating a polymer resistor in an interconnection via in a printed circuit board includes forming a plurality of first conductive traces on a substrate, forming an interconnection via through one of the first conductive traces in the substrate and terminating at a second conductive trace, filling polymer resistor paste in the interconnection via so as to contact the second conductive trace, thermally treating the polymer resistor paste to produce a polymer resistor, and forming a conductive layer in contact with the resistor and the one first conductive trace.
    Type: Application
    Filed: March 27, 2003
    Publication date: September 30, 2004
    Applicant: E Touch Corporation
    Inventors: Te-Yeu Su, Hsin-Herng Wang, Chien-Chang Huang, Yu-Chou Yeh
  • Method of fabricating a multi-layer circuit structure having embedded polymer resistors
    Publication number: 20040192039
    Abstract: A method of fabricating multi-layer circuit structure with embedded polymer resistors comprises forming a plurality of electrically conductive paths on a first substrate, forming polymer resistor paste between first and second of the electrically conductive paths on the first substrate, curing the polymer resistor paste by exposure to ultraviolet radiation to thereby solidify the shape of the polymer resistor paste, heating the polymer resistor paste to produce a first resistor, forming a plurality of electrically conductive paths on a second substrate, bonding the first and second substrates with an adhesive, wherein the first resistor is positioned between the first and second substrates.
    Type: Application
    Filed: March 27, 2003
    Publication date: September 30, 2004
    Applicant: E Touch Corporation
    Inventors: Te-Yeu Su, Hsin-Herng Wang, Chien-Chang Huang, Yu-Chou Yeh
  • Telephone line duplex splitter
    Patent number: D496929
    Type: Grant
    Filed: July 1, 2003
    Date of Patent: October 5, 2004
    Assignee: Tsay-E International Inc.
    Inventor: Fabian Liu