Patents Represented by Attorney Franklin D. Wolffe
  • Patent number: 5539071
    Abstract: Suspension-polymerized, crosslinked copolymers of methacrylic anhydride yield beads suitable as precursors for weak-acid and other ion exchange resins, affinity chromatography materials and other materials which require spherical polymers having reactive anhydride groups for their preparation. Both gel and macroporous beads of these copolymers may be made by the process of the invention.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: July 23, 1996
    Assignee: Rohm and Haas Company
    Inventor: Larry W. Steffler
  • Patent number: 5142364
    Abstract: A high resolution color television system, in the transmitting device of which part of pixels are thinned out in both horizontal and vertical directions and the remaining pixels are vertically gathered in the central portion of the image screen to form an image signal, leaving upper and lower blank portions, and horizontal and vertical informations indicating the quantitative relations between the removed pixels and the vertically and horizontally adjoining pixels are treated as first and second auxiliary signals and inserted in the upper and lower blank portions to form a television signal for transmission, and in the receiving device of which the image signal and the auxiliary signals are separated from the television signal and respectively treated in a manner opposite to that in the transmitting device to recover the original image signal for display by a kinescope.
    Type: Grant
    Filed: January 28, 1991
    Date of Patent: August 25, 1992
    Assignee: Nippon Television Network Corporation
    Inventors: Yoshio Sugimori, Yosai Araki, Yoshihide Kimata, Susumu Takayama, Joji Urano
  • Patent number: 5070186
    Abstract: Insulin preparations with improved properties for parenteral administration can be prepared at pH values of about 3 to 8.5 by presence of magnesium ions in concentration of about 0.005 to 0.5M, a preferred range is 0.02M to 0.5M.
    Type: Grant
    Filed: April 19, 1989
    Date of Patent: December 3, 1991
    Assignee: Novo Industri A/S
    Inventor: Klaus Joergensen
  • Patent number: 5063964
    Abstract: A pipe coupling consisting of male and female elements for connecting and disconnecting a hydraulic or pneumatic piping used for industrial machinery. Each coupling element includes a check valve therein which is actuated by connecting and disconnecting operation to automatically open the passageway of the coupling when it is connected and to automatically close it when it is disconnected.The inventive pipe coupling is designed for use with a conventional automatic connecting and disconnecting device such as automatic coupling device for large scaled industrial machinery.
    Type: Grant
    Filed: December 5, 1990
    Date of Patent: November 12, 1991
    Assignee: Nippon Air Brake Kabushiki Kaisha
    Inventors: Toshihiko Onishi, Katsumi Tomioka
  • Patent number: 5062748
    Abstract: A shank structure for holding an annular hole cutter used for drilling a large circular hole, comprising a hollow cylindrical body, a center drill inserted in the inner cavity of the body and clutch means for inhibiting and allowing relative motion between the body and the center drill. In normal or initial state, the body and the center drill are inhibited from their relative motion by the clutch means and, in drilling operation, a central guide hole is first drilled by the center drill. When the guide hole reaches a suitable depth, the clutch means is actuated to allow the relative motion between the body and the center drill and the center drill stops drilling and sinks into the inner cavity of the body. Then, the annular hole cutter secured to the body starts to drill a main hole and, upon completion of the main hole, the center drill is pushed out from the inner cavity by spring action and, at the same time, discharges a disc-shaped chip formed within the annular hole cutter.
    Type: Grant
    Filed: April 15, 1991
    Date of Patent: November 5, 1991
    Assignee: ODSK Company, Limited
    Inventor: Shigeru Kishida
  • Patent number: 5058383
    Abstract: A hydraulic motor control circuit for use in a device for driving construction equipment, such as shovel loader, which comprises a hydraulic driving motor, a pump for feeding compressed oil to the hydraulic motor and a tank for receiving the compressed oil discharged from the hydraulic motor. The circuit comprises a pilot operation type main valve for controlling the oil flow between the pump and the motor and between the motor and the tank, and a remote control valve for feeding a pilot oil pressure to a pilot chamber of the main valve to turn the main valve to a first position for driving the hydraulic motor. As a feature of this invention, the control circuit further comprises an apparatus for detecting the slanting angle of a downward slope and feeding an oil pressure corresponding to the slanting angle to a second pilot chamber of the main valve.
    Type: Grant
    Filed: December 5, 1990
    Date of Patent: October 22, 1991
    Assignee: Nippon Air Brake Kabushiki Kaisha
    Inventors: Masahiro Tsunemi, Yuji Kondo, Kenichi Shimoura
  • Patent number: 5057967
    Abstract: A rolled film capacitor comprising a pair of dielectric film strips piled one upon another and wound into a roll, each strip having a metal electrode pattern deposited on one surface thereof, the pattern including a number of rectangular island electrodes mutually separated by a plurality of lateral and longitudinal insulating gaps and regularly arrayed in both directions, the island electrodes mutually overlapping to form a number of small capacitor elements which are connected in series in both directions by shifting both strips one from another in both directions. A plurality of such capacitors can be aggregated to form an improved large capacitive power supply device.
    Type: Grant
    Filed: July 10, 1990
    Date of Patent: October 15, 1991
    Assignee: Nichicon Corporation
    Inventors: Minoru Den, Hirokazu Sakaguchi, Morihiko Hasebe, Shigeyoshi Nishikawa, Masayoshi Kakine, Shusaku Tsujio
  • Patent number: 5036750
    Abstract: A double operate check valve used in a hydraulic pressure circuit for locking and unlocking a vibration absorbing hydraulic cylinder included in a wheel suspension mechanism of a vehicle, which includes an improvement in its structure for providing the suspension with improved compliance with respect to road surface undulation and corresponding comfortable drive of the vehicle. The check valve pilot pistons have fluid conducting surfaces which are connected by a valve body passageway and which communicate the main fluid paths when hydraulic pressure in the pilot chamber urges the pilot pistons to open the check valves.
    Type: Grant
    Filed: June 7, 1990
    Date of Patent: August 6, 1991
    Assignee: Nippon Air Brake Kabushiki Kaisha
    Inventor: Yuji Katayama
  • Patent number: 5010090
    Abstract: 1-Aminobut-3-en derivatives having optionally substituted furanyl, thienyl, pyridyl and/or pyrrolyl in the 4-position and 3-carboxypiperidin-1-yl, 3-carboxytetrahydropyrid-1-yl or 3 carboxymethylpyrrolidin-1-yl in the 1-position potentiate GABA-ergic neurotransmission.
    Type: Grant
    Filed: October 7, 1988
    Date of Patent: April 23, 1991
    Assignee: Novo Nordisk A/S.
    Inventors: Frederik C. Gronvald, Claus Braestrup
  • Patent number: 5007582
    Abstract: A device for heating with reduced pressure steam directly or indirectly a material or product to be heat-treated, which includes a heat exchanger chamber which is supplied with steam through a pressure reducing valve and evacuated by an ejector device which can control the heating temperature of the heat exchanger chamber by controlling the operation fluid of the ejector device. The device can be used safely and advantageously in chemical and food industries.
    Type: Grant
    Filed: November 22, 1989
    Date of Patent: April 16, 1991
    Assignee: TLV Company, Limited
    Inventors: Takayuki Morii, Hideaki Yumoto
  • Patent number: 5008241
    Abstract: Insulin analogs characterized by amino acid residue at A21 other than Asn, with a resulting improvement in stability of insulin solutions at acid pH levels. Some insulin analogs may also have amino acid residue changes elsewhere so that these insulin analogs exhibit at least about one charge more than human insulin at a pH value of 7, with preferred substitutions being made for the glutamic acid residues at A4, A17, B13, B21 and/or a basic amino acid residue being substituted at B27. Also contemplated is optional blocking the C-terminal carboxyl group of the B-chain with an amido or ester residue.
    Type: Grant
    Filed: October 20, 1989
    Date of Patent: April 16, 1991
    Assignee: Novo Nordisk A/S
    Inventors: Jan Markussen, Kjeld Norris, Liselotte Langkjaer
  • Patent number: 5006858
    Abstract: A microstrip line antenna generally used for receiving an electric wave from an artificial satellite, which comprises a plane dielectric substrate and a plurality of crank-shaped microstrip lines arranged on the substrate. The improvement comprises a number of half wavelength waveguide elements arranged on a plane lying parallel to the substrate in front of the microstrip lines at a predetermined distance therefrom for improving the signal-to-noise ratio of the antenna and reducing the number of antenna elements.
    Type: Grant
    Filed: January 8, 1990
    Date of Patent: April 9, 1991
    Assignee: DX Antenna Company, Limited
    Inventor: Toshiaki Shirosaka
  • Patent number: 4988963
    Abstract: A high frequency coaxial line coupling device which is insertable along the length of a coaxial line such as that which connects a rotary antenna carried on a moving body such as vehicle or vessel to receive a signal from a communication or broadcast satellite, with a receiver component such as tuner fixed to the moving body, for the purpose of allowing free relative rotation of the two segments of the coaxial line separated by the coupling device and preventing twist or entanglement of the coaxial line caused by rotation of the antenna with turning movement of the moving body. The device structure provides for a low transmission loss characteristic over a wide frequency range.
    Type: Grant
    Filed: January 8, 1990
    Date of Patent: January 29, 1991
    Assignee: DX Antenna Company, Limited
    Inventors: Toshiaki Shirosaka, Nobuyuki Ten
  • Patent number: 4975648
    Abstract: A discharge ionization detector which comprises with a cylindrical housing wherein is formed a discharge chamber at one end, and wherein is formed an ionization chamber at the other end an aperture connecting the chambers, arc electrodes being located in the discharge chamber, and emitter/collector electrodes being located in the ionization chamber, the latter comprising flat parallel plates, the housing being provided with an inlet into the discharge chamber for delivering discharge gas to the discharge chamber which discharge gas leaves the discharge chamber through the aforementioned aperture, with an inlet into the ionization chamber for delivering sample gas to the ionization chamber, and with an outlet from the ionization chamber for carrying the mixed discharge gas and sample gas out of the ionization chamber. The discharge gas and sample gas mix then pass between the flat parallel emitter/collector plates before leaving the ionization chamber through the outlet.
    Type: Grant
    Filed: July 24, 1989
    Date of Patent: December 4, 1990
    Assignee: Gow-Mac Instrument Co.
    Inventors: Alexander E. Lawson, Robert J. Mathieu
  • Patent number: 4973417
    Abstract: The granulate detergent enzyme product comprises a core of a microbial enzyme containing material with an enteric coating. Due to the coating the enzymatic stability is enhanced, in the presence of other detergent components, espacially strong bleaching agents. The coating is usually carried out in a fluid bed. Also coatings with antioxidants and acid coatings enhance the enzymatic stability.
    Type: Grant
    Filed: January 15, 1988
    Date of Patent: November 27, 1990
    Assignee: Novo Industri A/S
    Inventor: Per Falholt
  • Patent number: 4970158
    Abstract: A novel beta amylase enzyme product with improved thermostability and acid-stability is provided. The novel enzyme can be produced by cultivating a newly discovered microorganism Bacillus sp. (21-51) belonging to the Bacillus acidopullulyticus complex and may be used alone or in combination with a variety of conventional debanching enzymes in the production of high maltose syrups.
    Type: Grant
    Filed: February 17, 1987
    Date of Patent: November 13, 1990
    Assignee: Novo Industri A/S
    Inventors: Helle Outtrup, Barrie E. Norman
  • Patent number: 4959350
    Abstract: An enteral diet composition which comprises a balanced diet aqueous medium mixture of fat, carbohydrate, and dietary nitrogen compounds characterized by a total energy content of at least about 0.68 kcal/ml, an osmolality of below about 350 milli-osmol and a pH lower than about 4.5. The dietary nitrogen compounds are at least about 95% soluble in the aqueous medium and are free from bitterness in the composition. At least about 50% of the dietary nitrogen compounds is derived from vegetable protein source(s).The enteral diet product exhibits a combination of advantageous characteristics, i.e., good microbiological stability, good physical stability of the emulsion, low osmolality, satisfactory organoleptic properties, and satisfactory nutritional and handling properties.
    Type: Grant
    Filed: April 15, 1987
    Date of Patent: September 25, 1990
    Assignee: Novo Industri A/S
    Inventors: Sven Frokjaer, Svend Eriksen, Jens L. Adler-Nissen
  • Patent number: 4946828
    Abstract: Insulin derivatives having a charge which is positive compared with the charge of human insulin at neutral pH, can be used to prepare solutions having prolonged insulin action. In the novel insulin derivatives, a basic amino acid has been substituted in the B27-position and/or a neutral amino acid has been inserted in the A4-, A17-, B13- and/or B21-position. Furthermore, the C-terminal carboxyl group of the B-chain may be blocked with an amido or ester residue.
    Type: Grant
    Filed: July 20, 1987
    Date of Patent: August 7, 1990
    Assignee: Novo Nordisk A/S
    Inventor: Jan Markussen
  • Patent number: 4946035
    Abstract: A medicament implanter system which comprises:a single use needle pre-charged with medicament;a cartridge wherein a multiplicity of pre-charged needles may be packaged; andan implanter applicator instrument adapted to remove a pre-charged needle from the cartridge, and to reinsert a used needle into the cartridge.The applicator instrument is constructed so that a needle positioned therein is locked in properly oriented position for expulsion of the medicament upon operation of an impeller which forms part of the applicator instrument.
    Type: Grant
    Filed: November 17, 1989
    Date of Patent: August 7, 1990
    Assignee: Ivy Laboratories, Inc.
    Inventors: C. Louis Grimm, Irving V. Sollins
  • Patent number: RE33441
    Abstract: Immobilized biologically active material in particle form is prepared by cross-linking with glutaraldehyde and polyazetidine. An aqueous dispersion or solution of biologically active material is partially cross-linked with glutaraldehyde, a wet pasty mass is recovered by dewatering and the mass is sub-divided into discrete particles. A polyazetidine prepolymer is added before, at the beginning or subsequent to partially cross-linking but prior to subdividing the pasty mass into particles, and the prepolymer is allowed to cross-link.
    Type: Grant
    Filed: April 23, 1990
    Date of Patent: November 13, 1990
    Assignee: Novo Industri A/S
    Inventors: Mogens Wumpelmann, Henrik Mollgaard