Patents Assigned to E
  • Method and system for establishing secure data transmission in a data communications network notably using an optical media key encrypted environment (omkee)
    Publication number: 20020184501
    Abstract: A method of establishing secure data transmission in a communications network between a client (3) and a remote network entity (4), the method comprising the steps of:
    Type: Application
    Filed: August 31, 2001
    Publication date: December 5, 2002
    Applicant: GLOBAL E-COMZ SDN BHD
    Inventors: Zakir Basree Bin Abdul Rahman, Ahmad Hata Bin Hussein, Kamal Hilmi Bin Othman
  • Optical system for head mounted display
    Publication number: 20020180662
    Abstract: The present invention relates to a head mounted display which is constructed such that stereoscopic images can be seen on a liquid crystal display screen disposed adjacent to eyes, and more particularly, to an optical system for the head mounted display wherein image resolution can be enhanced and a distortion phenomenon caused by eye's movement can be minimized.
    Type: Application
    Filed: June 5, 2001
    Publication date: December 5, 2002
    Applicant: DAEYANG E & C CO., LTD.,
    Inventors: Han Il Ko, Jin Goo Kim, Jong Bae Park
  • Electrophoretic medium and display with improved image stability
    Publication number: 20020180687
    Abstract: An electrophoretic medium comprises a plurality of particles suspended in a suspending fluid, the particles being capable of moving through the fluid upon application of an electric field to the medium, the fluid having dissolved or dispersed therein a polymer having a number average molecular weight in excess of about 20,000, the polymer being essentially non-absorbing on the particles. The polymer improves the bistability of the display (i.e., the period for which a written image persist without the display being refreshed) but does not greatly increase the viscosity of the suspending fluid, thus keeping the switching time of the display within reasonable limits. The medium may be encapsulated, or may be in the form a polymer-dispersed electrophoretic medium.
    Type: Application
    Filed: April 2, 2002
    Publication date: December 5, 2002
    Applicant: E Ink Corporation
    Inventor: Richard M. Webber
  • Manufacture of &agr;-olefins
    Patent number: 6489497
    Abstract: Alpha-olefins are manufactured in high yield and with very high selectivity by contacting ethylene with an iron complex of a selected 2,6-pyridinedicarboxaldehyde bisimine or a selected 2,6-diacylpyridine bisimine, and in some cases a selected activator compound such as an alkyl aluminum compound. Novel bisimines and their iron complexes are also disclosed. The &agr;-olefins are useful as monomers and chemical intermediates.
    Type: Grant
    Filed: July 7, 2000
    Date of Patent: December 3, 2002
    Assignees: E. I. du Pont de Nemours and Company, University of North Carolina
    Inventors: Maurice S. Brookhart, III, Brooke L. Small
  • Process for preparing 3,3?,6,6?-tetraalkyl-2,2?-biphenols and 3,3?,6,6?-tetraalkyl-5,5?-dihalo-2,2?-biphenols
    Patent number: 6489517
    Abstract: A process for making a compound of the formula I
    Type: Grant
    Filed: November 26, 2001
    Date of Patent: December 3, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Rafael Shapiro
  • Metal-containing composition and process therewith
    Patent number: 6489433
    Abstract: A composition that can be used as catalyst is disclosed. The composition comprises, or is produced by combining, (A) a titanium compound; (B) either (i) a complexing agent, (ii) a combination of a complexing agent, hypophosphorous acid or a salt thereof, and optionally a solvent, a zirconium compound, or both, (iii) combinations thereof; (C) a phosphorus compound; and optionally a solvent. Also disclosed is a process that can be used for producing a polyester. The process comprises contacting, in the presence of an esterification or transesterification or polycondensation catalyst composition and a phosphorus compound, a carbonyl compound and an alcohol under a condition suitable for esterification, transesterification, or polymerization. Further disclosed is a process to make polyester with reduced insoluble particles or solids using a phosphorus compound other than the commonly used phosphoric acid.
    Type: Grant
    Filed: February 23, 2001
    Date of Patent: December 3, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Jiwen F. Duan, Donald E. Putzig, Frederick K. Mallon, Timothy M. Davis
  • Method and composition for improving gas barrier properties of polymeric containers and films
    Patent number: 6489386
    Abstract: A polymer composition and method for reducing the permeability of gases through molded polymeric containers and films by incorporating into the polymer from which the container or film is formed an effective amount of a barrier-enhancing additive, such as monoesters of hydroxybenzoic acid and hydroxynaphthoic acid.
    Type: Grant
    Filed: August 9, 2000
    Date of Patent: December 3, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Irene Greenwald Plotzker, Thomas Michael Ford, Kenneth George Sharp, Samuel Tacitus D'Arcangelis
  • Device for metering powder
    Patent number: 6488181
    Abstract: The present invention describes a device for metering powder coatings and powder components for powder and liquid coatings, which comprises a storage vessel at the outlet of which is a free-swinging receiving vessel with a metering base, wherein the receiving vessel is connected to a vibration drive, wherein the distance between the outlet of the storage vessel and the metering base of the receiving vessel is dimensioned as a function of the bulk solids properties of the powder material, wherein the metering base of the receiving vessel is vibrated during metering, and a collecting vessel beneath the receiving vessel, wherein the metered powder material is collected in the collecting vessel.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: December 3, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Franz Schuller, Guenter Hohmann
  • System and method for monitoring battery equalization
    Patent number: 6489753
    Abstract: A system and method for protecting against battery overcharging is used with an automotive electrical system having an alternator that supplies an output voltage VOUT to a string of at least first and second series-connected rechargeable batteries, an equalizer coupled to at least the first and second batteries, and at least a higher voltage load or a lower voltage load connected across respective sets of batteries of the string. The voltage VOUT is regulated to a target value VTARGET, and this target value VTARGET is reduced when either the voltage V1 across the first battery exceeds a first threshold value T1 or when a voltage V2 across the second battery exceeds a second threshold value T2. In this way, both of the batteries are protected against over-voltage conditions. A warning signal is illuminated to indicate to a user when either of the batteries is outside of its normal operating range.
    Type: Grant
    Filed: November 19, 2001
    Date of Patent: December 3, 2002
    Assignee: C. E. Niehoff & Co.
    Inventor: Ciaran J. Patterson
  • Rechargeable spinel lithium batteries with greatly improved elevated temperature cycle life
    Patent number: 6489060
    Abstract: The loss in delivered capacity (capacity fade) after cycling non-aqueous rechargeable lithium manganese oxide batteries at elevated temperatures can be greatly reduced by depositing a small amount of certain foreign metal species on the surface of spinel in the cathode. In particular the foreign metal species are from compounds having either bismuth, lead, lanthanum, barium, zirconium, yttrium, strontium, zinc or magnesium. The foreign metal species are introduced to the surface of spinel by moderately heating either an aqueous treated mixture or a dry mixture of ready-made spinel and the foreign metal compound.
    Type: Grant
    Filed: January 14, 2000
    Date of Patent: December 3, 2002
    Assignee: E-One Moli Energy (Canada) Limited
    Inventors: Meijie Zhang, Yu Wang, Jan Naess Reimers, Michael Gee
  • Processes and systems for secured information exchange using computer hardware
    Patent number: 6487664
    Abstract: A system and method for providing external data-signal isolation, and signal-level information-preserving-data-transformations, to enable safe, operationally efficient, information sharing between protected information systems and networks and external, potentially hostile, information systems and networks which neutralizes any imbedded hostile executable codes such as viruses that may be in data-signals incoming from the external systems and networks. The system and method prevent untransformed external data-signals from entering protected systems and/or networks using an intermediate screen which is a computer hardware device. The intermediate screen is deployed between the protected systems and external systems and is used to process all incoming signals from the external system to obtain transformed data sets from which information is extracted before it is passed to the protected system.
    Type: Grant
    Filed: November 24, 1998
    Date of Patent: November 26, 2002
    Assignee: E-Com Defense, Inc.
    Inventor: Charles W. Kellum
  • Gypsum-based construction material
    Patent number: 6485821
    Abstract: The present invention relates to a process for manufacturing a gypsum-based substrate. The process includes the steps mixing gypsum and water to produce a gypsum slurry, providing a synthetic polymeric fibrous sheet on one side of a layer of the gypsum slurry, and adhering to the wet gypsum to the sheet with an adhesive strength of at least 7.5 lb. The present invention is also directed to a gypsum board comprised of first and second polymeric fibrous sheets adhered to opposite sides of a wet gypsum core, wherein the first surface of the first sheet and the first surface of the second sheet have pores containing set gypsum and the first and second sheets adhere to said wet gypsum core with an adhesive strength of at least 7.5 lb.
    Type: Grant
    Filed: February 25, 2000
    Date of Patent: November 26, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Robert B. Bruce, David M. Harriss
  • Aliphatic-aromatic copolyesters
    Patent number: 6485819
    Abstract: A copolyester of the reaction product of: (a) one or more aromatic dicarboxylic acids or an ester thereof; (b) one or more aliphatic dicarboxylic acids or an ester thereof; and (c) isosorbide. The polyesters are useful to form articles of increased biodegradability.
    Type: Grant
    Filed: December 19, 2000
    Date of Patent: November 26, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Richard Allen Hayes
  • Evaporation device for volatile substances
    Patent number: 6487367
    Abstract: A device for the evaporation of volatile substances, in particular of insecticides and/or aromatics, is disclosed having a housing containing a heating element, with a container for the volatile substance disposed in the housing, a wick which can be heated by the heating element, and a heating block having a wick end protruding from the container along a wick axis. The improved device includes at least one additional wick opening formed within the heating block; at least one additional container for containing an additional volatile substance for evaporation, and the additional wick opening being operatively associated with the additional container. At least one additional wick is carried in the additional container, having a wick end extending through the additional wick opening for evaporation of the additional volatile substance in the additional container.
    Type: Grant
    Filed: July 31, 2001
    Date of Patent: November 26, 2002
    Assignee: C.T.R. Consultoria Técnica e Representacöes Lta.
    Inventor: Pedro Queiroz Vieira
  • Resilient mandrel for battery electrode assembly
    Patent number: 6485859
    Abstract: An improved electrode assembly for batteries and the like including a central mandrel configured to exert a resilient outward force on a multilayer web wound around the mandrel. The multilayer web includes a positive electrode layer, a negative electrode layer, and a separator layer separating the positive and negative layers. The resilient outward force acts to maintain the tightness of the web roll, thus lowering electrical resistance and enhancing battery cycle life. The mandrel is preferably formed of sheet metal configured to define an S-shape having a central section and first and second resilient leaves extending therefrom. The leaves preferably define substantially planar areas for bearing against an inner turn of the web roll to exert a resilient outward force thereagainst.
    Type: Grant
    Filed: November 21, 2000
    Date of Patent: November 26, 2002
    Assignee: Alfred E. Mann Foundation for Scientific Research
    Inventor: Andrew J. Szyszkowski
  • Amorphous tetrafluoroethylene-hexafluoropropylene copolymers
    Patent number: 6486280
    Abstract: Disclosed herein are novel amorphous tetrafluoroethylene-hexafluoropropylene (TFE-HFP) dipolymers, and other copolymers containing TFE, HFP and a third monomer, many of which are more random than previous amorphous TFE-HFP copolymers, as well as a novel high productivity continuous process for making these polymers. The polymers are particularly useful in the form of coatings, films and encapsulants.
    Type: Grant
    Filed: July 14, 2000
    Date of Patent: November 26, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Colin Anolick, Viacheslav Alexandrovich Petrov, Bruce Edmund Smart, Charles Winfield Stewart, Robert Clayton Wheland, William Brown Farnham, Andrew Edward Feiring, Weiming Qiu
  • Automatic stock replenishment system
    Publication number: 20020174001
    Abstract: A method of determining the performance of a supplier of stock utilising an automatic stock replenishing system of the kind which monitors stock levels in a plurality of stock keeping units (SKU's) and automatically re-orders stock when the stock level falls below a re-order level, the method including storing data relating to the performance of the supplier, and applying statistical analysis to the data.
    Type: Application
    Filed: April 23, 2002
    Publication date: November 21, 2002
    Applicant: Inventor-E Limited
    Inventor: Dean Henry
  • Branched poly(ethylene terephthalate) monofilaments
    Patent number: 6482513
    Abstract: A monofilament comprising a branched poly(ethylene terephthalate) having an inherent viscosity of at least 0.50 dL/g. Also provided is a process for forming a monofilament that comprises forming a branched poly(ethylene terephthalate) having an inherent viscosity of at least 0.50 dL/g and shaping the branched poly(ethylene terephthalate) to form the monofilament.
    Type: Grant
    Filed: August 10, 2001
    Date of Patent: November 19, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Richard Allen Hayes
  • Polynucleotides encoding indole-3-gylcerol phosphate synthase from soybean
    Patent number: 6482631
    Abstract: This invention related to an isolated nucleic acid fragment encoding a tryptophan biosynthetic enzyme. This invention also related to the construction of a Chimeric gene encoding all or a portion of the tryptophan biosynthetic enzyme, in sense or antisense orientation, wherein expression of the Chimeric gene results in the production of altered levels of the tryptophan biosynthetic enzyme in a transformed host cell. The tryptophan biosynthetic enzymes include anthranilate phosphoribosyltransferase (E.C. 2.4.2.18) from corn (Zea mays), soybean (Glycine max) and wheat (Triticum aestivum); indole-3-glycerol phosphate synthase (E.C. 4.1.1.48) from corn (Zea mays), rice (Oryza sativa), soybean (Glycine max), and wheat (Triticum aestivum); and phosphoribosylanthranilate isomerase (E.C. 5.3.1.24) from corn (Zea mays), rice (Oryza sativa), (and wheat (Triticum aestivum).
    Type: Grant
    Filed: July 16, 2001
    Date of Patent: November 19, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: William D. Hitz, Carl A. Maxwell, Yong Tao
  • Golf putter head with checkerboard face
    Patent number: D466173
    Type: Grant
    Filed: March 21, 2001
    Date of Patent: November 26, 2002
    Assignee: Bruce E. Sizemore, Jr. Golf Design LLC
    Inventor: Bruce E. Sizemore, Jr.