Patents Represented by Attorney Judson R. Hightower
  • Patent number: 4929278
    Abstract: An antireflection film made from a reliquified sol-gel hydrolyzation, condensation polymeric reaction product of a silicon, alkoxides and/or metal alkoxides, or mixtures thereof. The film is particularly useful for coating plastics.
    Type: Grant
    Filed: January 26, 1988
    Date of Patent: May 29, 1990
    Assignee: United States Department of Energy
    Inventors: Carol S. Ashley, Scott T. Reed
  • Patent number: 4928595
    Abstract: A reverse slapper detonator (70), and methodology related thereto, are provided. The detonator (70) is adapted to be driven by a pulse of electric power from an external source (80). A conductor (20) is disposed along the top (14), side (18), and bottom (16) surfaces of a sheetlike insulator (12). Part of the conductor (20) comprises a bridge (28), and an aperture (30) is positioned within the conductor (20), with the bridge (28) and the aperture (30) located on opposite sides of the insulator (12). A barrel (40) and related explosive charge (50) are positioned adjacent to and in alignment with the aperture (30), and the bridge (28) is buttressed with a backing layer (60). When the electric power pulse vaporizes the bridge (28), a portion of the insulator (12) is propelled through the aperture (30) and barrel (40), and against the explosive charge (50), thereby detonating it.
    Type: Grant
    Filed: April 27, 1988
    Date of Patent: May 29, 1990
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventor: Richard C. Weingart
  • Patent number: 4929582
    Abstract: A catalytic material of improved activity which comprises a hydrous, alkali metal or alkaline earth metal or quaternary ammonium titanate, zirconate, niobate, or tantalate, in which the metal or ammonium cations have been exchange with a catalytically effective quantity of a catalyst metal, and which has been subsequently treated with a solution of a Bronsted acid.
    Type: Grant
    Filed: April 9, 1986
    Date of Patent: May 29, 1990
    Assignee: The United States of American as Represented by The United States Department of Energy
    Inventors: Robert G. Dosch, Howard P. Stephens
  • Patent number: 4929389
    Abstract: Polymers which are soluble in water and are electrically conductive. The monomer repeat unit is a thiophene or pyrrole molecule having an alkyl group substituted for the hydrogen atom located in the beta position of the thiophene or pyrrole ring and having a surfactant molecule at the end of the alkyl chain. Polymers of this class having 8 or more carbon atoms in the alkyl chain exhibit liquid crystalline behavior, resulting in high electrical anisotropy. The monomer-to-monomer bonds are located between the carbon atoms which are adjacent to the sulfur or nitrogen atoms. The number of carbon atoms in the alkyl group may vary from 1 to 20 carbon atoms. The surfactant molecule consists of a sulfonate group, or a sulfate group, or a carboxylate group, and hydrogen or an alkali metal. Negative ions from a supporting electrolyte which may be used in the electrochemical synthesis of a polymer may be incorporated into the polymer during the synthesis and serve as a dopant to increase the conductivity.
    Type: Grant
    Filed: February 12, 1988
    Date of Patent: May 29, 1990
    Assignee: The United States of America as represented by the Department of Energy
    Inventor: Mahmoud Aldissi
  • Patent number: 4929359
    Abstract: Highly concentrated and toxic petroleum-based and synthetic fuels wastewaters such as oil shale retort water are treated in a unit treatment process by electrolysis in a reactor containing oleophilic, ionized, open-celled polyurethane foams and subjected to mixing and laminar flow conditions at an average detention time of six hours. Both the polyurethane foams and the foam regenerate solution are re-used. The treatment is a cost-effective process for waste-waters which are not treatable, or are not cost-effectively treatable, by conventional process series.
    Type: Grant
    Filed: January 26, 1988
    Date of Patent: May 29, 1990
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventor: Joan E. Tiernan
  • Patent number: 4929468
    Abstract: Amorphous alloys are deposited by a process of thermal dissociation of mixtures or organometallic compounds and metalloid hydrides, e.g., transition metal carbonyl such as nickel carbonyl, and diborane. Various sizes and shapes of deposits can be achieved, including near-net-shape free standing articles, multilayer deposits, and the like. Manipulation or absence of a magnetic field affects the nature and the structure of the deposit.
    Type: Grant
    Filed: March 18, 1988
    Date of Patent: May 29, 1990
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventor: Arthur W. Mullendore
  • Patent number: 4928020
    Abstract: Saturable inductor and transformer for magnetic compression of an electronic pulse, using a continuous electrical conductor looped several times around a tightly packed core of saturable inductor material.
    Type: Grant
    Filed: April 5, 1988
    Date of Patent: May 22, 1990
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Daniel L. Birx, Louis L. Reginato
  • Patent number: 4926745
    Abstract: A pull rod assembly comprising a pull rod having three peripheral grooves, a piston device including an adaptor ring and a seal ring, said piston device being mounted on the pull rod by a split ring retainer situated in one groove and extending into an interior groove in the adaptor and a resilient split ring retained in another groove and positioned to engage the piston device and to retain the seal on its adaptor.
    Type: Grant
    Filed: April 21, 1988
    Date of Patent: May 22, 1990
    Assignee: The United States of Amerca as represented by the United States Department of Energy
    Inventor: Olisse C. Cioletti
  • Patent number: 4925307
    Abstract: A method and apparatus for the qualitative and quantitative spectroscopic investigation of elements present in a liquid sample using the laser spark. A series of temporally closely spaced spark pairs is induced in the liquid sample utilizing pulsed electromagnetic radiation from a pair of lasers. The light pulses are not significantly absorbed by the sample so that the sparks occur inside of the liquid. The emitted light from the breakdown events is spectrally and temporally resolved, and the time period between the two laser pulses in each spark pair is adjusted to maximize the signal-to-noise ratio of the emitted signals. In comparison with the single pulse technique, a substantial reduction in the limits of detectability for many elements has been demonstrated. Narrowing of spectral features results in improved discrimination against interfering species.
    Type: Grant
    Filed: May 1, 1984
    Date of Patent: May 15, 1990
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: David A. Cremers, Leon J. Radziemski, Thomas R. Loree
  • Patent number: 4920994
    Abstract: A method of removing unwanted chemical deposits known as sludge from the metal surfaces of steam generators with laser energy is provided. Laser energy of a certain power density, of a critical wavelength and frequency, is intermittently focused on the sludge deposits to vaporize them so that the surfaces are cleaned without affecting the metal surface (sludge substrate). Fiberoptic tubes are utilized for laser beam transmission and beam direction. Fiberoptics are also utilized to monitor laser operation and sludge removal.
    Type: Grant
    Filed: September 12, 1989
    Date of Patent: May 1, 1990
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventor: Henry D. Nachbar
  • Patent number: 4918711
    Abstract: A process for improving the technique of measuring residual stress by x-ray diffraction in pieces of nickel-base alloys which comprises covering part of a predetermined area of the surface of a nickel-base alloy with a dispersion, exposing the covered and uncovered portions of the surface of the alloy to x-rays by way of an x-ray diffractometry apparatus, making x-ray diffraction determinations of the exposed surface, and measuring the residual stress in the alloy based on these determinations. The dispersion is opaque to x-rays and serves a dual purpose since it masks off unsatisfactory signals such that only a small portion of the surface is measured, and it supplies an internal standard by providing diffractogram peaks comparable to the peaks of the nickel alloy so that the alloy peaks can be very accurately located regardless of any sources of error external to the sample.
    Type: Grant
    Filed: April 26, 1988
    Date of Patent: April 17, 1990
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Robert M. Berman, Isadore Cohen
  • Patent number: 4914793
    Abstract: A quick-sealing assembly and method for forming an adhesive seal on opposite sides of a mechanical seal for a flexible containment bag of the type used for working with radioactively contaminated objects. The assembly includes an elongated mechanical fastener having opposing engaging members affixed at a predetermined distance from each of the elongated edges, with an adhesive layer formed between the mechanical fastener and the elongated edge such that upon engagement of the mechanical fastener and adhesive layers to opposing containment fabric, a neat triple hermetic seal is formed.
    Type: Grant
    Filed: November 9, 1987
    Date of Patent: April 10, 1990
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Donald S. Rampolia, Elmer Speer
  • Patent number: 4913891
    Abstract: This invention involves a new strategy for imaging and mapping enzyme activity in the living human and animal body using positron emitter-labeled suicide enzyme inactivators or inhibitors which become covalently bound to the enzyme as a result of enzymatic catalysis. Two such suicide inactivators for monoamine oxidase have been labeled with carbon-11 and used to map the enzyme subtypes in the living human and animal body using PET. By using positron emission tomography to image the distribution of radioactivity produced by the body penetrating radiation emitted by carbon-11, a map of functionally active monoamine oxidase activity is obtained. Clorgyline and L-deprenyl are suicide enzyme inhibitors and irreversibly inhibit monoamine oxidase. When these inhibitors are labeled with carbon-11 they provide selective probes for monoamine oxidase localization and reactivity in vivo using positron emission tomography.
    Type: Grant
    Filed: May 22, 1987
    Date of Patent: April 3, 1990
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Joanna S. Fowler, Robert R. MacGregor, Alfred P. Wolf, Bengt Langstrom
  • Patent number: 4909115
    Abstract: A band saw blade is loaded between pairs of guide wheels upon tensioning the blade by guiding the blade between pairs of spaced guide plates which define converging slots that converge toward the guide wheels. The approach is particularly useful in loading blades on underwater band saw machines used to cut radioactive materials.
    Type: Grant
    Filed: June 29, 1989
    Date of Patent: March 20, 1990
    Inventor: Steven R. Reeves
  • Patent number: H735
    Abstract: A radiopharmaceutical composition comprising a radioactive isotope of lead (Pb-203) in combination with a pharmaceutical or an antibody or antibody fragment and a bifunctional chelating agent. These compositions are especially useful in the imaging and diagnosis of tumors and tumor metastases.
    Type: Grant
    Filed: March 30, 1988
    Date of Patent: February 6, 1990
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Suresh C. Srivastava, George E. Meinken
  • Patent number: H744
    Abstract: A porcelain enamel composition as a neutron absorbing material can be prepared of a major proportion by weight of a cadmium compound and a minor proportion of compounds of boron, lithium and silicon. These compounds in the form of a porcelain enamel coating or layer on several alloys has been found to be particularly effective in enhancing the nuclear safety of equipment for use in the processing and storage of fissile material. The composition of the porcelain enamel coating can be tailored to match the coefficient of thermal expansion of the equipment to be coated and excellent coating adhesion can be achieved.
    Type: Grant
    Filed: November 20, 1987
    Date of Patent: February 6, 1990
    Assignee: The United States of America as represented by the Department of Energy
    Inventor: Daniel C. Iverson
  • Patent number: H755
    Abstract: Data is obtained for use in diagnosing the characteristics of a beam of ionizing radiation, such as charged particle beams, neutral particle beams, and gamma ray beams. In one embodiment the beam is emitted through the atmosphere and produces nitrogen fluorescence during passage through air. The nitrogen fluorescence is detected along the beam path to provide an intensity from which various beam characteristics can be calculated from known tabulations. Optical detecting equipment is preferably located orthogonal to the beam path at a distance effective to include the entire beam path in the equipment field of view.
    Type: Grant
    Filed: February 3, 1989
    Date of Patent: March 6, 1990
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventor: Robert R. Karl, Jr.
  • Patent number: H756
    Abstract: A vacuum switch with an isolated trigger probe which is not directly connected to the switching electrodes. The vacuum switch within the plasmatron is triggered by plasma expansion initiated by the trigger probe which travels through an opening to reach the vacuum switch elements. The plasma arc created is directed by the opening to the space between the anode and cathode of the vacuum switch to cause conduction.
    Type: Grant
    Filed: July 19, 1988
    Date of Patent: March 6, 1990
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventor: Gordon E. Boettcher
  • Patent number: H776
    Abstract: A flail is provided which reduces the spin of a projectile in a recovery system which includes a parachute, a cable connected to the parachute, a swivel, and means for connecting the swivel to the projectile. The flail includes a plurality of flexible filaments and a rotor for attaching the filaments to the front end of the projectile. The rotor is located radially with respect to the spinning axis of the projectile. In one embodiment, the projectile includes a first nose cone section housing a deployable spin damping assembly; a second nose cone section, housing a deployable parachute assembly; a shell section, supporting the first and second nose cone sections during flight of the projectile; a mechanism for releasing the first nose cone section from the second cone section; and a mechanism for releasing the second nose cone section from the shell section.
    Type: Grant
    Filed: February 6, 1989
    Date of Patent: May 1, 1990
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventor: James K. Cole
  • Patent number: H819
    Abstract: Palladium-109, a beta-emitting radionuclide, when chelated to anti-melanoma monoclonal antibody demonstrates high uptake in melanoma and thus is useful for tumor therapy.
    Type: Grant
    Filed: April 30, 1984
    Date of Patent: September 4, 1990
    Assignee: The United States of America as represented by the Secretary of Energy
    Inventors: Suresh C. Srivastava, Rashid A. Fawwaz, Soldano Ferrone