Patents Assigned to E
  • Fibrous microwave susceptor package
    Patent number: 4894247
    Abstract: A package for uniform microwave cooking of a food item such as an egg roll, which requires surface browning or crispening, comprises a drapable, liquid permeable, microwave susceptive composite material draped around the food item, and a paper board holder having at least one cutout portion into which the wrapped food item nestles.
    Type: Grant
    Filed: December 11, 1987
    Date of Patent: January 16, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Dan S. C. Fong
  • System for processing color television signals with amplitude modulation encoded chrominance information
    Patent number: 4894710
    Abstract: A system which permits a color television signal to be efficiently encoded by a unidimensional or bidimensional transform. The color television signal input to the system is sampled using a variable frequency sampling clock, and the sampled signal is digitally processed. The result is three signals having statistical characteristics similar to the individual component signals of the original color television signal. These resultant signals are encoded to obtain a highly compressed color television signal for transmission.
    Type: Grant
    Filed: December 14, 1987
    Date of Patent: January 16, 1990
    Assignee: Telettra Telefonia Elettronica e Radio S.p.A.
    Inventors: Silvio Cucchi, Marco Modena, Roberto Peruta
  • Padlock-type security seal
    Patent number: 4893853
    Abstract: A padlock-type security seal having tamper-indicating means to cause the shackle ends to break through and protrude from the walls of the seal body when serious attempts are made to remove the shackle. The seal includes a pair of slots each having a shoulder for engaging the shackle ends. When serious attempts are made to force the shackle from the seal, a ramp will engage the shackle ends and force them against the seal walls. With sufficient force applied to the shackle, the shackle ends will rupture the seal body.
    Type: Grant
    Filed: January 24, 1989
    Date of Patent: January 16, 1990
    Assignee: E. J. Brooks Company
    Inventor: Richard S. Guiler
  • Superconducting metal oxide Tl-Pb-Ca-Sr-O compositions and processes for manufacture and use
    Patent number: 4894361
    Abstract: Compositions having the nominal formulaTl.sub.e Pb.sub.a Ca.sub.b Sr.sub.c Cu.sub.d O.sub.xwhereina is from about 1/10 to 3/2,b is from about 1 to 4,c is from about 1 to 3d is from about 1 to 5e is from about 3/10 to 1x=(a+b+c+d+e+y)wherey is from about 1/2 to 3,are superconducting. Processes for manufacturing such compositions and for using them are disclosed.
    Type: Grant
    Filed: August 24, 1988
    Date of Patent: January 16, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Munirpallam A. Subramanian
  • Adhesive connecting rings for an ostomy device
    Patent number: 4894058
    Abstract: Pouch faceplate connecting rings have adhesive annular base layers with cover layers. Each cover layer has an annular portion covering the base layer and a radially extending gripping portion with a radially extending edge and a circumferentially extending tapering edge. The gripping portions are annularly offset to facilitate removal of the cover layers.
    Type: Grant
    Filed: May 10, 1989
    Date of Patent: January 16, 1990
    Assignee: E. R. Squibb & Sons, Inc.
    Inventor: Ole R. Jensen
  • Herbicidal sulfonamides
    Patent number: 4892575
    Abstract: Herbicidal sulfonamides such as 2-[[[4-(methylamino)-6-(2, 2,2-trifluoroethoxy)-1,3,5-triazin-2-yl]-aminocarbonyl]aminosulfonyl]benzo ic acid, methyl ester are useful as herbicides and plant growth regulants.
    Type: Grant
    Filed: February 19, 1988
    Date of Patent: January 9, 1990
    Assignee: E. I. Du Pont De Nemours and Company
    Inventors: Martha M. Bolinski, Donald J. Dumas
  • Fiber reinforced resin sheets
    Patent number: 4892772
    Abstract: A composite sheet of a matrix resin reinforced with a unidirectional array of fiber lengths wherein each of the fiber lengths has alternating straight and excess lengths such that when the sheet is formed into an article, the fibers straighten out and provide essentially straight continuous fiber properties.
    Type: Grant
    Filed: November 14, 1988
    Date of Patent: January 9, 1990
    Assignee: E. I. DuPont de Nemours and Company
    Inventor: Kwai-Yung B. Su
  • Digital receiver operating at sub-nyquist sampling rate
    Patent number: 4893341
    Abstract: A digital receiver samples data from an amplitude modulated subcarrier at a rate less than twice the subcarrier's maximum frequency by sampling at known phase points. Sampling at known phase points is achieved by generating a sampling clock from a signal phase locked to and transmitted with the modulated data subcarrier.
    Type: Grant
    Filed: August 1, 1989
    Date of Patent: January 9, 1990
    Assignee: AT&E Corporation
    Inventor: Mark R. Gehring
  • Agricultural sulfonamides
    Patent number: 4892946
    Abstract: N-(heterocyclicaminocarbonyl)arylsulfonamides in which the aryl radical is substituted in the 2-position by a carboxy radical, ester, thioester, or amide thereof; e.g. N-[(4,6-dimethylpyrimidin-2-yl)aminocarbonyl]-2-methoxycarbonylbenzenesulf onamide or N-[(4,6-dimethoxy-1,3,5-triazin-2-yl)aminocarbonyl]-2-methoxycarbonylbenze nesulfonamide; are useful for the regulation of plant growth and as pre-emergence and post-emergence herbicides.
    Type: Grant
    Filed: November 24, 1980
    Date of Patent: January 9, 1990
    Assignee: E. I. Du Pont De Nemours and Company
    Inventor: George Levitt
  • Fibrous microwave susceptor packaging material
    Patent number: 4892782
    Abstract: New composite materials useful for wrapping food items to be cooked by microwave energy comprise drapable, liquid permeable, woven or non-woven, fibrous dielectric substrates, which substrates, or fibers of which substrates, are coated and/or imbibed with one or more susceptor materials. The composite materials, when wrapped around a food item to be cooked by microwave energy, enhance the browning and/or crispening of the items.
    Type: Grant
    Filed: April 13, 1987
    Date of Patent: January 9, 1990
    Assignee: E. I. DuPont de Nemours and Company
    Inventors: John R. Fisher, Hua-Feng Huang
  • Yarn finish applicator
    Patent number: 4891960
    Abstract: A yarn finish applicator in which finish is metered to a slot running from top to bottom of the applicator. The configuration of the body of the applicator its slot and the passage supplying liquid to the slot provides a slot configuration that is relatively insensitive to the yarn threadline alignment within the slot.
    Type: Grant
    Filed: April 12, 1989
    Date of Patent: January 9, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Chandrakant S. Shah
  • Positive working tonable film having a photohardenable layer
    Patent number: 4892802
    Abstract: A positively working, tonable, photohardenable mixture, as well as image-forming material prepared therefrom are described, which as essential components, contains a binder or mixture of binders, a photohardenable compound, a photoinitiator or an initiator system and a multivalent metal compound to improve the toning properties of the material.
    Type: Grant
    Filed: January 23, 1989
    Date of Patent: January 9, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Richard D. Bauer, Ursula A. Kraska, Manfred A. Sondergeld
  • Photographic film antistatic backing layer with auxiliary layer having improved properties
    Patent number: 4891308
    Abstract: As part of a photographic film, a backing antistatic layer is coated at a pH of 3 to 12 with an auxiliary layer consisting essentially of at least one crosslinkable conductive polymer and a crosslinking agent for the conductive polymer dispersed in a binder, e.g., gelatin, to conduct the antistatic properties from the antistatic underlayer to the surface of the backing layer. The crosslinkable conductive polymer and crosslinking agent can be present in separate layers on the backing layer. The film is useful in the areas of graphic arts, printing, medical and information systems.
    Type: Grant
    Filed: April 14, 1989
    Date of Patent: January 2, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Thomas B. Cho
  • Pigment dispersant resin with P-containing acid
    Patent number: 4891401
    Abstract: Acrylic polymers with carboxylic acid and small amounts of phosphorus-containing strong acids are good pigment dispersants for use in water-based coating compositions.
    Type: Grant
    Filed: March 22, 1989
    Date of Patent: January 2, 1990
    Assignee: E. I. Du Pont De Nemours and Company
    Inventors: Jozef T. Huybrechts, Guido R. Louis van den Bosch, Rudolf F. Landriette Verhaegen
  • Chlorosulfonic acid composition
    Patent number: 4891196
    Abstract: The present invention relates to an improved chlorosulfonic acid (CSA) composition useful in making a high clarity sulfated salt of a C.sub.8-22 natural or synthetic predominantly straight chain aliphatic primary alcohol to a process for making the improved CSA composition and to improved CSA composition by the process.The CSA contains less than 1 weight percent sulfuric acid, less than 0.47 weight percent sulfur trioxide, less than 5 parts per million iron and less than 0.5 relative percent pyrosulfuryl chloride.The CSA process involves contacting the hydrogen chloride and sulfur trioxide at the point of reaction with from 0.75 to 1.5 weight percent sulfuric acid based on the stoichiometric rate of CSA produced from the sulfur trioxide with an excess of hydrogen chloride.
    Type: Grant
    Filed: December 16, 1986
    Date of Patent: January 2, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Norman A. Carlson, Glenn R. Evers
  • Attachment assembly for use on the human skin
    Patent number: 4890608
    Abstract: An attachment assembly is disclosed for attaching an article such as a wound cover or a prosthesis to human skin. The article attached may be, for example, a cover or dressing over a wound or a fistula or other lesion, it may be an eye patch or a breast prosthesis for use after masectomy or it may be a pouch to cover the genital region. The attachment assembly comprises a body-attachable pad of skin-compatible adhesive material and a series of double-sided adhesive layers thereon, which layers are constructed and arranged to be manually peeled off one-by-one when desired in order to expose a fresh adhesive surface to which the article is then attached.
    Type: Grant
    Filed: June 4, 1986
    Date of Patent: January 2, 1990
    Assignee: E. R. Squibb and Sons, Inc.
    Inventor: Peter L. Steer
  • Mounting adapter having locking taper removal arrangement
    Patent number: 4890947
    Abstract: A mounting adapter for a centrifuge includes an internal chamber having a lifting and a locking surface therein. The head of a connecting member is captured in the chamber and is rotatable by a tool insertable through an access bore in opposed angular directions. Rotating the connecting member in one direction brings it into abutting contact with the locking surface to hold tapered surface surfaces on the adapter and on the spindle in locked engagement. Rotation of the connecting member in the opposed direction causes the same to abut against the lifting surface to assist in separating the tapered surface from each other.
    Type: Grant
    Filed: October 26, 1988
    Date of Patent: January 2, 1990
    Assignee: E. I. Du Pont De Nemours and Company
    Inventors: John F. Williams, George F. Silver
  • Controlled atmosphere firing process
    Patent number: 4891246
    Abstract: A process for firing oxidizable base metals in the presence of organic media in the presence of CO/CO.sub.2 and water to avoid oxidation of the base metal.
    Type: Grant
    Filed: August 23, 1988
    Date of Patent: January 2, 1990
    Assignee: E. I. Du Pont De Nemours and Company
    Inventors: Craig S. McEwen, Noel C. Scrivner
  • Holder for eyeglasses
    Patent number: D305340
    Type: Grant
    Filed: January 25, 1988
    Date of Patent: January 2, 1990
    Assignee: E & B Giftware, Inc.
    Inventor: Sylvia A. Stein
  • Ureido amino and imino acids, compositions and methods for use
    Patent number: H725
    Abstract: Compounds of the formula ##STR1## wherein X is various amino or imino acids and esters are disclosed. These compounds are useful due to their angiotensin converting enzyme inhibition activity and depending upon the definition of X may also be useful as analgesics due to their enkephalinase inhibition activity.
    Type: Grant
    Filed: February 26, 1987
    Date of Patent: January 2, 1990
    Assignee: E. R. Squibb & Sons, Inc.
    Inventor: Eric M. Gordon