Patents Assigned to Research Development
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Patent number: 5327687Abstract: A grinding apparatus includes an upright casing with a plurality of horizontal mounting frames and a worm journalled between a top and bottom of the upright casing. Several grinding devices are respectively mounted on each of the mounting frames and can perform different grinding operations. Each of the grinding devices is connected to the worm via transmission devices. Axial rotation of the worm correspondingly moves the grinding devices in order to complement with a radius of curvature of the curved plate that is fed to the apparatus.Type: GrantFiled: August 16, 1993Date of Patent: July 12, 1994Assignee: Metal Industries Research & Development CentreInventor: Yu-An Hsieh
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Patent number: 5327735Abstract: The present invention relates to a refrigerant recycling and reclaiming system capable of removing refrigerant from a refrigeration machine for filtering and reclaiming of the refrigerant, whereupon the refrigerant can be either stored or reintroduced into the refrigeration machine and reused rather than being lost to the atmosphere or otherwise wasted. The recycling and reclaiming system of the present invention is characterized in that it includes an evaporator and/or refrigerant storage tank which are contained within a thermal barrier, typically a water bath, which permits the system to operate at lower temperatures and pressures than systems heretofore known in the art. Lower temperatures and pressures in turn require a much smaller horsepower compressor unit resulting in a decrease in the physical size and operating cost of the system.Type: GrantFiled: October 28, 1991Date of Patent: July 12, 1994Assignee: The Youngstown Research & Development Co.Inventor: Bobby L. Hatton
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Patent number: 5329353Abstract: A compact, high sensitive, multi-wavelength spectral analyzer capable of simultaneously obtaining a spectral distribution of extremely weak radiation such as bioluminescence, chemiluminescence, extremely weak fluorescence caused by excitation light, Raman scattered light, etc. with an extremely high luminosity and without wavelength scanning. The spectral analyzer comprises a spectroscope and a high sensitive one- or two-dimensional photodetector. The spectroscope includes an entrance slit, a collimator lens of high luminosity disposed such that a focal point of the collimator lens is coincident with the entrance slit to convert light emerging therefrom into parallel rays, a reflection diffraction grating that diffracts the parallel rays from the collimator lens to produce spectra, and an imaging lens that focuses the parallel rays diffracted by the reflection diffraction grating on an image plane thereof to form a spectral image. The photodetector is disposed on the image plane of the imaging lens.Type: GrantFiled: February 7, 1992Date of Patent: July 12, 1994Assignee: Research Development Corp. of JapanInventors: Tsutomu Ichimura, Toshiyuki Nogoshi, Fumio Inaba
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Patent number: 5325581Abstract: The device includes a clamping assembly which has a stationary upright post with upper and lower casings coaxially mounted to the upright post, a threaded shaft to adjust a vertical height of the upper and lower casings, a drilling assembly which is adjacent to the clamping assembly and which has first and second drilling bits that respectively extends toward an axis of the upright post in a parallel manner and a worm mechanism for adjusting a vertical height between the two drilling bits and an index apparatus which can rotate the clamping assembly to a predetermined angle relative to the drilling assembly. The upper and lower casings have radially movable pieces with clamping members thereon. A synchronous moving unit moves the movable pieces relative to the upright post to define a distance which is equal to a radius of curvature of a curved plate that is to be clamped and drilled by the device.Type: GrantFiled: August 16, 1993Date of Patent: July 5, 1994Assignee: Metal Industries Research & Development CentreInventors: Chuan-Chia Sun, Yu-An Hsieh, Ching-Fu Lin
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Patent number: 5324750Abstract: Cyclodextrin derivatives and inclusion complexes having increased solubility and stability are provided. Cyclodextrin derivatives include amino and other modified cyclodextrins, and linked cyclodextrins. Inclusion complexes comprising the foregoing cyclodextrins, and processes for making the cyclodextrin derivatives are disclosed. Also disclosed are cyclodextrin derivatives comprising otherwise substituted or unsubstituted cyclodextrins covalently bonded to agents such as pharmaceuticals. The covalent bond, when broken, yields the agent in active form. Pharmaceutical compositions and methods of treating an animal host are also described, as well as chromatographic compositions and a method for separating racemic mixtures.Type: GrantFiled: November 20, 1992Date of Patent: June 28, 1994Assignee: Australia Commercial Research & Development LimitedInventors: Stephen F. Lincoln, John H. Coates, Christopher J. Easton, Stephen J. Van Eyk, Bruce L. May, Paramjit Singh, Michael L. Williams, Martyn A. Stile
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Patent number: 5316473Abstract: A light-curing apparatus for curing polymerizable material in the mouth is provided. In one embodiment the apparatus comprises a wand which is substantially the same size as a quadrant or a full dental arch; in a second embodiment, the apparatus is in the shape of a dental tray and is adapted to fit over the outside of a dental tray; and in a third embodiment the light source comprises a portion (substantially the frame) of a double arch impression tray, and has a slide mechanism by which the mesh of a double arch impression tray can be removed from the light source so the light source can be reused. The invention also comprises a method for curing a dental material in the mouth using the apparatus of the invention.Type: GrantFiled: April 24, 1992Date of Patent: May 31, 1994Assignee: Dentsply Research & Development Corp.Inventor: Robert V. Hare
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Patent number: 5316924Abstract: The present invention provides a novel pullulanase, methods of producing and isolating the pullulanase and methods of saccharifying starch using the pullulanase. The pullulanase of the invention works in a wide pH range, as large as pH 4-9. In addition, the pullulanase is heat stable and its optimum temperature is about 60.degree. C. Therefore, the pullulanase of the invention can be used in the saccharification of starch along with amylase, which is enzymatically active at pH 4-9, to increase the yield of saccharides.Type: GrantFiled: May 28, 1992Date of Patent: May 31, 1994Assignee: Research Development Corporation of JapanInventor: Yoshiyuki Takasaki
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Patent number: 5317724Abstract: A simplex sequence controller for transmittal of output data is disclosed and includes a time base generator for generating a timing signal, a memory device having a plurality of addressable sequential storage locations for storing a sequence of data pattern with a plurality of output lines and a plurality of input address lines connected to the storage locations, along with an addressing apparatus connected to the memory device input address lines for directing access to predetermined storage locations at predetermined points in the data sequence, and address reset apparatus providing feedback from a first predetermined one of the output lines of the memory device to the addressing apparatus to direct access to a predetermined initial data sequence for output from the memory.Type: GrantFiled: April 1, 1992Date of Patent: May 31, 1994Assignee: Helix Research & Development, Inc.Inventor: Stephen R. Clippard
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Patent number: 5316771Abstract: An improved simple, efficient, safe, economical, and fast transmembrane ling procedure for efficient active loading of weak amphiphatic drugs into liposomes using the transmembrane gradient. The resulting liposomes loaded with the amphiphatic drug are stable and safe. A storagable form of loadable liposomes has extended period of stability. The reversed procedure is applicable for sustained release of liposome encapsulated drugs from ammonium liposomes.Type: GrantFiled: December 18, 1992Date of Patent: May 31, 1994Assignee: Yissum Research Development Company of the Hebrew University of JerusalemInventors: Yechezkel Barenholz, Gilad Haran
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Patent number: 5315699Abstract: A filtering system for very high-speed image processing performs such image processing in parallel for each unit sequentially in each line. The filtering system includes an input unit having input elements for taking up all or a part of image data of each line in the order of raster scan, a processing unit having processing elements for performing image processing computation in parallel for each pixel as image data from each input element is transferred simultaneously, an output unit having output elements where processing data from each processing element is simultaneously transferred, and a controller for controlling the input unit, the processing unit, and the output unit.Type: GrantFiled: March 11, 1992Date of Patent: May 24, 1994Assignee: Research Development Corporation of JapanInventors: Masaharu Imai, Kunio Honsawa, Jota Tomita
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Patent number: 5312733Abstract: The present invention provides novel DNA sequences, recombinant DNA (rDNA) molecules, processes for producing novel T-cell proteins expressed in T-cell development, the novel T-cell proteins in substantially pure form and antibodies which bind to the novel proteins. More particularly, it relates to novel DNA sequences expressed in appropriate hosts and the novel T-cell proteins produced in these hosts. The present invention also provides novel transmembrane proteins in substantially pure form, rDNA molecules encoding transmembrane proteins and processes for producing the novel transmembrane proteins.Type: GrantFiled: April 11, 1991Date of Patent: May 17, 1994Assignee: Research Development FoundationInventor: Carol L. MacLeod
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Patent number: 5311868Abstract: A frame holder for a stereotactic frame holds the stereotactic frame in proper alignment with the head coil of an imaging unit so the reference markers on the stereotactic frame are properly aligned with the axis of the head coil. The frame holder has a base member that receives the base ring of the stereotactic frame so the frame holder and the stereotactic frame are locked together with proper alignment of the reference markers. A top member is spaced from the base member, and has a support block to carry the weight of the stereotactic frame. Posts fix the top member to the base member. The base and top member are sized and shaped to be snugly, slidably received within the opening in the head coil.Type: GrantFiled: October 7, 1992Date of Patent: May 17, 1994Assignee: Peachtree Research & Development, Inc.Inventors: Carlos H. Carbini, Michael L. Goodman
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Patent number: 5312729Abstract: The present invention relates to assay techniques for detection of ligands in solution and to means for putting such techniques into effect. In particular it relates to an improved assay technique which provides a liquid calibrator for use in standard assays in circumstances where the ligand itself is rare, expensive, or difficult to prepare in a sufficiently pure or quantifiable form.Type: GrantFiled: March 6, 1990Date of Patent: May 17, 1994Assignee: Ares-Serono Research & Development Limited PartnershipInventors: Gerald J. Allen, Madlyn D. Denyer, Grenville A. Robinson
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Patent number: 5312954Abstract: Novel bisphosphonates comprise compounds of the formula (I) ##STR1## wherein m and l are independently 1 or 2; R.sub.1 represents hydrogen, a lower alkyl group, or an alkali metal cation; R.sub.2 represents hydrogen, a lower alkyl group or an alkali metal cation; Y represents .dbd.0 or .dbd.N--OH, or --OH and X represents --(CH.sub.2).sub.n --, a branched alkylene group, or a branched or straight alkenylene or alkynylene chain optionally substituted by one or more oxygen or nitrogen atoms, wherein n is an integer from 3 to 24. Further definitions of X are included in the description.Type: GrantFiled: May 13, 1992Date of Patent: May 17, 1994Assignee: Yissum, Research Development Company of the Hebrew University of JerusalemInventors: Eli Breuer, Gershon Golomb
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Patent number: 5310678Abstract: Recombinant DNA encoding a polypeptide precursor of the HN or F glycoprotein of Newcastle Disease Virus has been prepared and sequenced.Type: GrantFiled: November 17, 1989Date of Patent: May 10, 1994Assignee: National Research Development CorporationInventors: Richard W. Bingham, Philip Chambers, Peter T. Emmerson, Neil S. Millar
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Patent number: 5310686Abstract: A method is disclosed for coating the surface of an optical structure, such as a diffraction grating, useful for the detection of a ligand, which method comprises forming on the surface of the optical structure a thin, uniform layer of a polymerizable material, particularly one which polymerizes on exposure to light or heat, and subsequently exposing said material to polymerizing conditions. A specific binding partner is subsequently absorbed on or bound to the cured polymer layer, either directly or indirectly. Complex formation between the specific binding partner and ligand present in the sample to be analyzed alters the optical properties of the device and the change forms the basis of an assay.Type: GrantFiled: November 4, 1988Date of Patent: May 10, 1994Assignee: Ares Serono Research & Development Limited partnershipInventors: Craig G. Sawyers, Rosemary A. L. Drake
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Patent number: 5308920Abstract: A radiating device for radiating heat of an electronic component to the atmosphere, includes a container body, a cap for tight-sealing the inner space of the container body, and a working fluid serving as a heat carrier kept in the container body. The bottom wall of the container body is flat and serves as a heat receiving portion. The working fluid repeats evaporation and condensation in the container body. In a corner where the inner surface of the bottom wall of the container body meets the inner surface of a vertical cylindrical wall, a loop groove is formed running all along the corner. A plurality of horizontal grooves intersecting the loop groove are formed on the inner surface of the bottom wall. A plurality of second grooves intersecting the loop grooves are formed on the inner surface of the cylindrical wall. The working fluid condensed at the heat radiating portion returns to the bottom wall through the vertical grooves and through the loop groove.Type: GrantFiled: July 31, 1992Date of Patent: May 3, 1994Assignee: Itoh Research & Development Laboratory Co., Ltd.Inventor: Satomi Itoh
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Patent number: 5308976Abstract: Irradiating a plurality of laser beams onto different microparticles or different groups of microparticles, and trapping and/or manipulating these microparticles or groups of microparticles. This method permits manipulation of microparticles with a plurality of trapping laser beams not mutually interfering just as with two human hands. By coaxially introducing an excited laser beam, it is possible to induce chemical reactions for processing or assembling.Type: GrantFiled: May 29, 1992Date of Patent: May 3, 1994Assignee: Research Development Corp. of JapanInventors: Hiroaki Misawa, Keiji Sasaki, Nobura Kitamura
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Patent number: 5308495Abstract: Chromatography processes employ doped sol gel glasses as chromatographic media. In one embodiment, a process for qualitative or quantitative determination of a reactive chemical contained in a sample comprises passing the sample through a column or planar chromatography apparatus wherein the apparatus includes packing or plates containing a porous doped sol gel glass. The doped sol gel glass is formed form a metal alkoxide and contains a compound encapsulated therein which is reactive with the reactive chemical in the pores of the doped sol gel glass. In another embodiment, a process for analyzing a gas sample containing a reactive chemical comprises passing the gas sample through glass capillaries or tubes containing porous doped sol gel glass pellets. The pellets are formed from a metal alkoxide and contain a colorimetric reagent encapsulated therein which is reactive with the reactive chemical in the pores of the pellets.Type: GrantFiled: October 11, 1991Date of Patent: May 3, 1994Assignee: Yissum, Research Development Company of the Hebrew University of JerusalemInventors: David Avnir, Michael Ottolenghi, Ovadia Lev
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Patent number: 5309038Abstract: A high-speed counter capable of counting the number of randomly incoming pulses is constructed by serially connecting a plurality of toggle flip-flop circuits, each of which is activated by input pulses and constructed from an rf-SQUID and the quantum flux parametron, whereby a high-speed computer or a high-speed measurement apparatus can be realised by the use of the high-speed counter.Type: GrantFiled: March 11, 1992Date of Patent: May 3, 1994Assignees: Research Development Corporation of Japan, Yutaka HaradaInventors: Yutaka Harada, Hioe Willy