baber/WOPTO huggingface dataset:
Patent CA-2599597-A1 (CA)
Title: .beta.-l-2'-deoxy-nucleosides for the treatment of hepatitis b
Inventor: GOSSELIN GILLES
IPC: C07H19/20
Filed: 1999-08-10
Abstract: This invention is directed to a method for treating a host infected with hepatitis B  comprising administering an effective amount of an anti-HBV biologically active 2'-deoxy-.beta.-L-erythro-pentofuranonucleoside or a pharmaceutically acceptable salt or prodrug thereof, wherein the 2'-deoxy-.beta.-L-erythro-pentofuranonucleoside has formula (I) wherein R is selected from the group consisting of H, straight chained, branched or cyclic alkyl, CO-alkyl, CO-aryl, CO-alkoxyalkyl, CO-aryloxyalkyl, CO-substituted aryl, alkylsulfonyl, arylsulfonyl, aralkylsulfonyl, amino acid residue, mono, di, or triphosphate, or a phosphate derivative; and BASE is a purine or pyrimidine base which may be optionally substituted. The 2'-deoxy-.beta.-L-erythro-pentofuranonucleoside or a pharmaceutically acceptable salt or prodrug thereof may be administered either alone or in combination with another 2'-deoxy-.beta.-L-erythro-pentofuranonucleoside or in combination with another anti-hepatitis B agent
Patent CA-2600477-A1 (CA)
Title: Power losses reduction in switching power converters
Inventor: PARTRIDGE DON F
IPC: H02M3/10
Filed: 2006-03-07
Abstract: Embodiments of the invention provide methods and apparatuses for concurrently eliminating or substantially reducing two or more switching losses in an inverter switching circuit. Embodiments of the invention concurrently reduce multiple types of switching losses under hard switching mode and soft switching mode for active switching devices and diodes. In one embodiment of the invention, the voltage across a switching device is substantially reduced during switch turn-off and/or turn-on time, and also maintained at a substantially reduced level throughout some or all of the tail current loss time of the switching device. Other methods and apparatuses are also described.
Patent CA-2600487-A1 (CA)
Title: Frame synchronisation in an ofdm system
Inventor: GUPTA ALOK KUMAR
IPC: H04L27/26
Filed: 2006-03-13
Abstract: Systems and methods are provided for processing Time Domain Multiplexing (TDM) symbols via delayed correlation in the time domain. In one embodiment, a method is provided for determining synchronization information in an Orthogonal Frequency Division Multiplexing (OFDM) broadcast. The method includes employing a time domain correlation to detect the start of an OFDM  super frame and utilizing the time domain correlation to synchronize a receiver to the carrier frequency of the OFDM signal.
Patent CA-2600894-A1 (CA)
Inventor: JOHNSON ERIC
IPC: G11C7/00
Filed: 2005-02-24
Abstract: An interconnection structure for interconnecting circuitry on a first conductive layer to circuitry on a second conductive layer is provided. The interconnection structure of the present invention comprises a signal conductor via surrounded by a plurality of ground vias. The plurality of ground vias shield the signal conductor via, thus providing electrical isolation for the conductor via from the rest of the circuitry. One feature of the present invention is that the plurality of ground vias can be modified, adjusting their diameters and their placement relative to the signal conductor via, in order to affect the overall characteristic impedance of the interconnection structure. This feature is useful when propagating high frequency signals between signal traces on different conductive layers of a printed circuit board. In view of the high frequencies used in today's wireless communication systems, the interconnection structure proposed aids in the practical implementation of radio frequency modules by mitigating the effects of impedance discontinuities ordinarily present at signal trace-to-via transition regions.
Patent CA-2602340-A1 (CA)
Inventor: VACCARO ALEXANDER R
IPC: A61B17/70
Filed: 2006-04-03
Abstract: Devices and methods for spinal fixation employ at least first and second plates that are configured to allow progressive sliding advancement of the plate members toward one another and limit movement of the plate members away from one another after installation. A spring member associated with one bone plate may engage toothed section(s) on the other bone plate. The bone plates may each have arms that are spaced from one another and engaged by corresponding arms on the other bone plate. There may be more than two bone plates, with multiple restricted movement regions.
Patent CA-2602399-A1 (CA)
Title: Wireless device and method for wireless multiple access
Inventor: SHARONY JACOB
IPC: H04B7/212
Filed: 2006-03-13
Abstract: Described is a wireless device which includes a plurality of antennas, a plurality of receivers, a transmitter and a processor. The antennas receive a first signal from each of a plurality of transmitting antennas of an access point. The first signal includes a first identifier which identifies a corresponding transmitting antenna from which the first signal was sent. The receivers are coupled to each of the antennas and process the first signals received by the antennas. The transmitter is coupled to each of the antennas.  The processor is coupled to each of the receivers and the transmitter. The processor generates a first communication matrix which includes the first identifier from each of the first signals. The processor utilizes the first communication matrix to resolve multiple wireless communications received from the access point within a single time slot over a radio channel.
Patent CA-2602805-A1 (CA)
Title: Substrat modifie et procede pour le produire
Inventor: UENO YOSHIYUKI
IPC: D06M13/144
Filed: 2006-03-28
Abstract: L~invention décrit un substrat modifié qui est caractérisé en ce qu~il comprend, en tant que composant constitutionnel, un polymère comportant un groupe ester dans la chaîne principale ou une chaîne latérale et comportant également un groupe hydrophobe. En particulier, on soumet un polymère comportant un groupe ester dans la chaîne principale ou une chaîne latérale à une irradiation par un rayonnement radioactif, tout en plaçant le polymère en contact avec une solution aqueuse d~un alcool monohydrique, dihydrique ou supérieur ayant au moins un atome de carbone entre les atomes de carbone portant les groupes hydroxyle, par rapport à un motif monomère ou un motif polymère constitué du motif monomère, par quoi on peut ainsi introduire un groupe hydrophobe dans le polymère.
Patent CA-2604255-A1 (CA)
Title: Methods and apparatuses for thermal dissipation
Inventor: LI MIN
IPC: H05K7/20
Filed: 2006-04-12
Abstract: A method and apparatus for providing thermal dissipation from a PC card is disclosed. For one embodiment of the invention, an extension portion, having a heat sink implemented thereon, is provided for a PC card. The extension portion extends beyond the PC card slot allowing thermal dissipation from the card due to air flow over the heat sink. For one embodiment of the invention, heat producing components of the PC card are identified and a thermally conductive path is provided from the components to the extension portion of the PC card.
Patent CA-2605477-A1 (CA)
Title: Sender identification system and method
Inventor: CHRISTENSEN GERALD TODD
IPC: G06F15/16
Filed: 2006-04-19
Abstract: A database is queried based upon data contained in a message to obtain sender identification information, at least part of which is not contained in the message as it was sent. The sender identification information is presented to a recipient, which can send a signal accepting or rejecting the message based upon the sender identification information. If an accept signal is entered, the message can be forwarded to the recipient and/or rendered to the recipient.
Patent CA-2605884-A1 (CA)
Title: Method for cleaning the tubes of a heat exchanger using an abrasive and a device suitable for the method
Inventor: KRAEMER GEORG
IPC: B24C3/32
Filed: 2004-07-07
Abstract: Method for cleaning the tubes of a heat exchanger (54) in which a nozzle is applied to one end of a tube (56) and air that contains an abrasive is blown through the tube, an unchoked nozzle (22) being used.
Patent CA-2607899-A1 (CA)
Title: Pressure activated trap primer and water hammer combination
Inventor: WELTMAN BRIAN
IPC: E03C1/296
Filed: 2006-05-16
Abstract: A water hammer arrestor and drain trap primer valve includes a hollow pipe having a closed end, a discharging end, an inlet, an outlet port connected to the discharging end and attachable to plumbing tubing, an inlet port connected to the inlet and attachable t plumbing tubing and an insert plug within the pipe positioned at the discharging end and at the inlet. The insert plug is substantiall tubular with opposing flats, and has a longitudinal cylindrical bore and a latitudinal threaded through bore. A port bolt, substantiall tubular and having a longitudinal cylindrical bore and a latitudinal through bore distributor aligned with the insert plug longitudinal cylindrical bore. A  check piston within the pipe is slidingly engageable with the insert plug and the outlet port wherein the check piston engages slidably responsive to water pressure changes at the inlet port.
Patent CA-2613491-A1 (CA)
Inventor: KRAUSE TREVOR
IPC: G01M17/00
Filed: 2007-12-04
Abstract: A power machine diagnostic system. The diagnostic tool system includes a fir st interface removably coupled to a power machine, a computer to identify a type of the power machine coupled at the first interface, and a second interface to interface between the tool and the computer.
Patent CA-2620903-A1 (CA)
Title: Ply-gbs mutant lysins
Inventor: CHENG QI
IPC: C12N9/78
Filed: 2006-08-17
Abstract: Methods, compositions and articles of manufacture useful for the treatment of various Group B streptococci (GBS) bacteria are provided. Various bacterial lysins, including certain PlyGBS mutant lysins, are provided. In particular, PlyGBS mutant lysins having lytic killing activity against Group B streptococci (GBS) bacteria are provided, including PlyGBS mutant lysins with greater killing activity against Group B streptococci (GBS) bacteria than the non-mutated PlyGBS bacterial lysin.
Patent CA-2621771-A1 (CA)
Title: Method and apparatus for applying hot mix for tar sealed roads
Inventor: TRIMBORN HERBERT JOHANN
IPC: B01F27/906
Filed: 2006-09-22
Abstract: Apparatus is disclosed for preparing a hot mix, comprising aggregate and bitumen, for repairing pot holes in roads. A vessel (16) is mounted, vertically disposed, on a vehicle (10) and comprises a mixing chamber (42) i n which the aggregate and bitumen are mixed by a paddle assembly (50) mounted on a shaft (60) that rotates about a vertical axis (X). The shaft is mounted in bearing assemblies (64, 72) located at the top and bottom of the mixing chamber. The shaft is able to slide vertically in the upper bearing assembly (72) to cope with thermal expansion as the vessel is heated during the mixin g. The vessel has a manhole (120) at its upper end (36) through which the aggregate and lumps of bitumen, at ambient temperature and hi solid form, ca n be loaded into the mixing chamber. The aggregate is loaded first and heated to expel moisture before the bitumen is loaded. The vessel can be tilted to discharge the hot mix through a second manhole (122) located adjacent the bottom of the mixing chamber.
Patent CA-2623836-A1 (CA)
Title: Probe for tagging valuables based on dna-metal complex
Inventor: GOLDBART RIKI
IPC: C12Q1/68
Filed: 2006-09-26
Abstract: Methods are disclosed involving the formation of complex DNA-Metal and the detection of the complex, such as by employing several analytical methods, e.g., X-Ray Fluorescence, FT-IR and Raman spectroscopy.
Patent CA-2630846-A1 (CA)
Title: Intermediates for preparing solifenacin
Inventor: NIDAM TAMAR
IPC: C07D453/02
Filed: 2006-12-21
Abstract: Provided are new intermediates of solifenacin and methods for their preparation, as well as methods of preparing solifenacin and solifenacin succinate.
Patent CA-2631754-A1 (CA)
Title: A method of preventing fouling and further rust formation on a substrate
Inventor: SAVIN RONALD R
IPC: C04B9/02
Filed: 2006-11-30
Abstract: A method of preventing fouling of a substrate and inhibiting further rust formation on a substrate having a rust formation formed thereon which comprises coating said substrate with a coating composition comprising zinc particles and a binder. Typically the composition comprises at least 80% by weight of zinc flake and has a zinc particle to binder weight ratio between 2:  1 to 9: 1.
Patent CA-2632443-A1 (CA)
Title: Package wrapping machine with item identifier based exception to default wrap settings
Inventor: PARMLEY STEVEN M
IPC: B65B57/00
Filed: 2008-05-28
Abstract: A machine for wrapping items to produce packages includes default settings which provide appropriate parameters for wrapping packages based on a ubiquitous feature of the item such as tray size. In addition, one or more exceptions to the default settings are included such that items of a given value for the ubiquitous feature which require special or unusual handling parameters will be detected and handled according to these different parameters. These parameters including exceptions are readily transferable between multiple wrapping machines.  An autocalibration feature allows for specific differences in the tolerances and settings of different wrapping machines.
Patent CA-2632505-A1 (CA)
Title: Infrared radiation detection device with bolometric detectors
Inventor: LEGRAS OLIVIER
IPC: H04N5/361
Filed: 2008-05-29
Abstract: This device for detecting electromagnetic rays, specifically infrared rays includes an array of basic bolometers sensitive to incident radiation, said to be active, and an additional line of bolometers (12), essentially not sensitive to the said radiation, said to be blind, the said active and blind bolometers formed above a substrate, in which a sequential addressing read circuit of each of the lines of the array and of the line of blind bolometers is produced, each of the bolometers in a same line being simultaneously polarized. The read circuit in addition features a reference current production source from a supplementary blind bolometer (16), also formed above the substrate, and the means to copy from the said reference current (l ref) into each of the columns of the array, made up of a current mirror (17).  Furthermore, each of the columns of the array comprises a compensation structure designed to divert the majority of the basic or common mode electrical current, comprising a blind bloomer (12) from the said additional line, associated to a current integrator (9, 10, 11), designed to integrate the difference between the current passing through the active bolometer of the line being read and a compensation current emanating from the blind bolometer (12). During the signal formation phase or while reading the said additional line, the copy of the reference current (l ref) is diverted from the current emanating from the blind bolometer (12) using a switch (18).
Patent CA-2632772-A1 (CA)
Inventor: SAMMARCO ANTHONY
IPC: H04N21/414
Filed: 2006-08-15
Abstract: A system and method of navigating among multiple real-time data streams on a mobile device is presented. Multiple thumbnail image representations are displayed (630) wherein each thumbnail image is associated with an available real-time data stream. A user provides navigation input (640) via a user interface for navigating among the multiple displayed thumbnail image representations. The thumbnail image representation currently selected based on the navigation input is highlighted (650) or otherwise made to stand out on the mobile device display. The user then selects (660) a highlighted thumbnail image representation, via the user interface, thereby activating the real-time data stream associated with the highlighted thumbnail image representation.  This causes the real-time data stream associated with the selected highlighted thumbnail image representation to be displayed (670) on the mobile device display.
Patent CA-2634362-A1 (CA)
Title: Organophosphoric derivatives useful as anti-parasitic agents
Inventor: JOMAA HASSAN
IPC: A61P31/00
Filed: 2006-12-22
Abstract: The present invention relates to novel phosphonic acid compounds having the structural formula (I): wherein: (a) R is a group of 1 to 5 substituents independently selected from the group consisting of fluoro, chloro, bromo, C1-4 alkoxy, C1-4 alkyl, hydroxy, formyl, trifluoromethoxy, phenyl, heterocyclic, heterocyclic-substituted methyl, aminomethyl, hydroxy methyl, bromomethyl, sulfonyl chloride, acetyl chloride, nitroso and cyano, (b) R1 is selected from the group consisting of hydrogen, C1-7 alkyl, C3-10 cycloalkyl, aryl, arylalkyl and heterocyclic, and (c) R2 is selected from the group consisting of hydroxy and hydroxy-protecting groups, and stereoisomer, solvates and salts thereof. These compounds are useful as anti-infectious and anti-parasitic agents, in particular anti-malaria agents.
Patent CA-2635029-A1 (CA)
Inventor: KNOX ALEXANDER STUART
IPC: A47K10/48
Filed: 2006-11-29
Abstract: A drying apparatus includes an outer case, a portion of the outer case defining a cavity in which articles can be dried and an outlet disposed at the lower end of the cavity. A removable liquid treatment module is arranged downstream of the outlet and within the outer case, the liquid treatment module including a liquid dispersal unit. By providing a liquid treatment module that is removable, the liquid treatment module can be easily and quickly replaced by an unskilled user without undue burden. The invention is particularly suitable for use in a hand dryer.
Patent CA-2638892-A1 (CA)
Inventor: VANDENBARK ARTHUR A
IPC: C07K14/74
Filed: 2006-03-16
Abstract: Two-domain MHC polypeptides are useful for modulating activities of antigen-specific T-cells, including for modulating pathogenic potential and effects of antigen- specific T-cells. Exemplary MHC class II-based recombinant T-cell ligands (RTLs) of the invention include covalently linked .beta.l and .alpha.l domains, and MHC class I-based molecules that comprise covalently linked .alpha.l and .alpha.2 domains. These polypeptides may also include covalently linked antigenic determinants, toxic moieties, and/or detectable labels. The disclosed polypeptides can be used to target antigen-specific T-cells, and are useful, among other things, to detect and purify antigen-specific T-cells, to induce or activate T-cells, to modulate T-cell activity, including by regulatory switching of T-cell cytokine and adhesion molecule expression, to treat conditions mediated by antigen- specific T-cells, to treat or prevent autoimmune or neurodegenerative diseases, to protect axons, and to prevent or reverse demyelination.
Patent CA-2642067-A1 (CA)
Title: Electromagnetic brake and drive force distributing apparatus for vehicle using the electromagnetic brake
Inventor: IWAZAKI AKIHIRO
IPC: F16D27/115
Filed: 2002-07-16
Abstract: A drive force distributing apparatus is provided for a vehicle having a pair of drive wheels. A first axle is connected to one of the drive wheels and a second axle is connected to the other drive wheel. An input shaft is rotatably mounted in a fixed housing and connected to a drive source. Two planetary gears are provided, each coupling the input shaft to one of the axles. Two multiplate brake mechanisms are provided, each between the sun gear of one of the planetary gears and the fixed housing. A drive force from the input shaft is distributed between the first axle and the second axle by operating two electromagnetic brakes, each electromagnetic brake controllably operating one of the multiplate brake mechanisms.
Patent CA-2645251-A1 (CA)
Title: Lng vapor handling configurations and methods
Inventor: MAK JOHN
IPC: F17C7/04
Filed: 2007-04-13
Abstract: LNG from a carrier is unloaded to an LNG storage tank in configurations and methods in which expansion of compressed and condensed boil-off vapors from the LNG storage tank provide refrigeration to subcool the LNG that is being unloaded. Most advantageously, such configuration and methods reduce the amount of boil-off vapors and eliminate the need for a vapor return line and associated compressor.
Patent CA-2646140-A1 (CA)
Title: Blockade of gamma-secretase activity to promote myelination by oligodendrocytes
Inventor: WATKINS TRENT ALAN
IPC: C12N5/079
Filed: 2007-02-13
Abstract: Methods are provided for enhancing myelination. Myelination is enhanced by administration of agents that are inhibitors of .gamma.-secretase. Methods of screening for pharmaceutically active compounds that enhance myelination, and for genes involved in myelination are also provided.
Patent CA-2647211-A1 (CA)
Title: Implement hitch
Inventor: OLSON BRIAN R
IPC: A01B59/042
Filed: 2008-12-18
Abstract: This invention is in the field of agricultural implements and in particular an implement hitch for attaching an implement to a towing tractor.
Patent CA-2648378-A1 (CA)
Title: Process for depositing polycrystalline silicon
Inventor: SCHREIEDER FRANZ
IPC: C30B29/06
Filed: 2009-01-05
Abstract: The present invention relates to a process for preparing polycrystalline silicon, in which a reaction gas comprising hydrogen and a silicon-containing gas are introduced into a reaction chamber and the silicon-containing gas is thermally decomposed over heated silicon and is deposited on the silicon to form an offgas and this offgas is separated into a first offgas fraction comprising trichlorosilane and chlorosilanes having a lower boiling point than trichlorosilane, and a second offgas fraction comprising components having a higher boiling point than trichlorosilane, and the first offgas fraction is supplied to the reaction gas of a deposition of polycrystalline silicon, and the second offgas fraction is separated into tetrachlorosilane and a high boiler fraction consisting of high boilers, with or without tetrachlorosilane, which comprises supplying the high boiler fraction to the reaction gas of a silicon deposition and heating the reaction gas to a temperature which ensures that the high boiler fraction is present in gaseous form on entry into the reaction chamber of the deposition reactor.
Patent CA-2649244-A1 (CA)
Inventor: GAMBARI ROBERTO
IPC: G01N33/50
Filed: 2007-04-12
Abstract: The invention proposes a novel therapeutic and diagnostic methodology based on the use of effector cells (for example CTL and NK cells) selected for being able to induce lysis in target cells. In particular, the invention teaches how to select strains of effector cells of the immune system according to their lytic properties. It also teaches how diagnostic procedures for checking the activity of therapeutic vaccines can be improved with respect to what shown. Finally, it shows how cell therapies used at present can be improved by using this approach.
Patent CA-2650402-A1 (CA)
Title: Pompe d'aspiration
Inventor: KOCH URS
IPC: A61M1/00
Filed: 2007-05-03
Abstract: L'invention concerne une pompe d'aspiration portative servant à aspirer des liquides organiques, cette pompe présentant un boîtier d'unité de pompage (1) comprenant une unité de pompage (6) et au moins un réservoir collecteur de sécrétions ou de fluides (2) raccordé à ce boîtier d'unité de pompage (1) de façon amovible. Ledit boîtier d'unité de pompage possède une paroi avant (11), une paroi arrière (10) et une paroi latérale (16) disposée entre ces deux parois, la paroi avant et la paroi arrière présentant chacune un bord (100, 110) faisant saillie par rapport à la paroi latérale. Le réservoir collecteur de fluides est maintenu entre ces bords et peut ainsi être fixé de manière simple au boîtier d'unité de pompage tout en étant maintenu de manière sûre et protégée dans celui-ci. Cette pompe d'aspiration permet de changer le réservoir collecteur de fluides de manière simple et sûre et offre au patient une mobilité accrue.