baber/WOPTO huggingface dataset:
Patent CA-2248001-A1 (CA)
Title: Treatment of antigen presenting cells to modulate antigen presenting cell function
Inventor: BERNSTEIN ZALE P
IPC: A61K39/395
Filed: 1997-09-02
Abstract: Provided herein is the discovery of a novel mechanism by which the ability of antigen presenting cells to stimulate T-cell function is inhibited by the formation of immunosuppresive complexes comprising the antigen presenting cell membrane-associated .beta.glycan and cytokine TGF-.beta.. Also provided are methods for restoring T-cell stimulatory function of antigen presenting cells of an individual, having such function suppressed by .beta.glycan-TGF-.beta.  complex formation, by either removing TGF-.beta. from the cell surface of the antigen presenting cells, removing .beta.-glycan or .beta.glycan complexed to TGF-.beta. from the cell surface of the antigen presenting cells, or by contacting the antigen presenting cells with one or more antigen presenting cell activating factors which overcome the suppression of the T-cell stimulatory function of antigen presenting cells.
Patent CA-2250427-A1 (CA)
Title: Method and system for reducing multipath fading in bent-pipe satellite communications systems
Inventor: SHERMAN MATTHEW J
IPC: H04B7/185
Filed: 1998-10-13
Abstract: A method and system of forming communication links in a satellite communications system. The satellite communications system includes a plurality of transmitter groups, a satellite and a plurality of downlink receivers. Each tran smitter is associated with only one transmitter group. At least two transmitters of two sep arate transmitter groups are disposed geographically adjacent to each other. Each tran smitter of a transmitter group transmits an uplink communications signal that is a CDMA sig nal having a predetermined code that is selected from a code set assigned to the gro up of transmitters with which the transmitter is associated. Each respective code set is different from other code sets associated with selected groups of transmitters and forms a code set pattern that repeats. The satellite receives the uplink communications signals t ransmitted by the transmitters and transmits each of the received uplink communications sig nals as a downlink communications signal directed to a different receiver of the plurality of downlink receivers, such that each downlink communications signal includes no mo re than one downlink communications signal having a predetermined code such that no subs tantial multipath conditions exist.
Patent CA-2253210-A1 (CA)
Title: Structure creuse pour machinerie d'ascenseur
Inventor: MARTINI ANGELO
IPC: B66B13/30
Filed: 1997-05-05
Abstract: Cette invention concerne une structure creuse (10) pour machinerie d'ascenseur, laquelle structure est faite de métal ou de tout autre matériau adéquat. Cette structure comprend un logement (18) dans lequel l'une au moins des parois constituantes est définie par des plaques, ces dernières étant fixées par une charnière à un mur permanent (14) du bâtiment ou à une autre paroi dudit logement (18). Cette invention a pour but d'obtenir une chambre ou une structure creuse destinée à la machinerie de l'ascenseur, et qui occupe très peu de place tout en offrant un espace suffisant pour les travaux d'entretien. Une chambre fixe et permanente située dans le bâtiment et destinée à la machinerie de l'ascenseur n'est pas nécessaire.
Patent CA-2254482-A1 (CA)
Inventor: FITZLER STEFAN
IPC: B66C7/04
Filed: 1998-11-19
Abstract: A device for the suspension of a rail, especially of a hollow-section rail which opens downward in a suspension crane, includes a carrying apparatus with a traction element which has two ends. One of the ends of the traction element may be fasten to the rail. To provide a rigid suspension of a rail in which horizontal forces, especially pulse-like horizontal forces, are extensively damped, the device includes a rubber-metal element connected between the carrying apparatus and the traction element with two substantially horizontal metal carriers arranged at a distance from one another. A rubber or elastic element is fastened to the inner surfaces of the metal carriers, which inner surfaces face one another. The carrying apparatus is fixedly connected with the lower metal carrier and the other end of the traction element is fixedly connected with the upper metal carrier.
Patent CA-2257498-A1 (CA)
Inventor: OOSTERLINCK MARC F
IPC: B31D1/02
Filed: 1999-01-19
Abstract: A labeling apparatus for converting base label stock to releasably-lined labels. The apparatus includes a vacuum anvil roller and an idler roller which cooperate to separate the base stock into its face web and backing liner components. A cutting roller cooperates with the vacuum anvil roller to butt cut the unlined face web to form butt cut labels. A traction nip roller cooperates with the vacuum anvil roller to press the butt cut labels to the backing liner to form the releasably-lined labels. The releasably-lined labels may be imprinted and the backing liner removed as the label is affixed to an article using conventional labeling equipment.  A rewind nip roller cooperates with the traction nip roller to pull the backing liner, which is then rolled on a rewind mandril. The apparatus does not weaken or cut the backing liner during conversion to releasably-lined labels, because the butt cut is made after the face web is separated from the backing liner.
Patent CA-2257883-A1 (CA)
Inventor: NESE PER IVAR
IPC: E21B10/16
Filed: 1997-06-20
Abstract: A rolling cone bit (10) having a gage row (80) and an adjacent nestled gage row (70) of cutter elements that are positioned on gage so as to divide or share the borehole corner cutting duty. The wear resistance, hardness, toughness and shape of the cutter elements in the adjacent rows (60, 70, 80) are optimised depending upon the type of cutting the respective rows perform, the characteristics of the formation being drilled and the drilling techniques being employed. In most applications, the nestled gage cutter elements (70) will have cutting surfaces that are more wear resistant or harder than the cutting surfaces of the gage cutter elements (80) which experience more bottom hole duty. The nestled gage cutter elements (70) engage the borehole wall with a negative rake angle for increased durability. Preferably, the nestled gage cutter elements (70) have continuously contoured and non-shearing cutting surfaces.
Patent CA-2258213-A1 (CA)
Inventor: SHANAHAN CYNTHIA M
IPC: A23L29/25
Filed: 1997-06-09
Abstract: Méthodes et compositions pour la production de matières consommables, y compris des produits alimentaires, utilisant des compositions de cellulose réticulée (CR) produite par des bactéries. Ces nouvelles compositions de CR ont la capacité de conférer aux aliments les propriétés désirées en étant utilisées en quantités significativement plus faibles que les quantités habituellement nécessaires pour obtenir des propriétés équivalentes.
Patent CA-2261308-A1 (CA)
Title: Dynamic strength tester for paper cores
Inventor: VAN DE CAMP JOHANNES W
IPC: G01N33/00
Filed: 1999-02-05
Abstract: A testing apparatus for determining dynamic strength of sample paper cores includes a rotatably driven pneumatic chuck for engaging the inner surface of a sample core to rotatably drive the sample core, and a variable-tension belt assembly having a flexible belt which is looped over the sample core and tensioned to simulate the load applied to a paper core in actual use. The belt is tensioned by a pneumatic cylinder which is controlled under feedback control by a servo valve and a computer controller so that the load applied to the sample core accurately tracks a predetermined desired load schedule versus time.
Patent CA-2261554-A1 (CA)
Inventor: GATES WILLIAM GEORGE
IPC: H05K7/20
Filed: 1999-02-10
Abstract: Electronic apparatus is disclosed having components mounted within an environmentally sealed external enclosure.      The enclosure is made of heat conductive material and ones of the components are mounted in heat conductive association with one or more walls of the enclosure. At least one heat pipe has an evaporator in thermally conductive contact with a wall of the enclosure proximate a said one of the components. Its condenser is located outside the enclosure and is provided with thermally conductive fins. Components which generate large amounts of heat can thus be provided with additional cooling reducing local hot spots. The enclosure may be designed for the larger market in temperate climates, and to modified for hotter climates.
Patent CA-2262743-A1 (CA)
Title: System & method for gated radiotherapy based on psychological inputs
Inventor: ALRIFAI HUSSEIN
IPC: G21K5/04
Filed: 1999-02-24
Abstract: A radiation therapy device (2) configured to receive a signal indicative of one or more of a patient's physiological parameters. The signal controls a gating, whereby a phase of an RF pulse (1002) and an injector pulse (1006) are varied so as to inhibit X-ray production without affecting injector or RF amplitudes.
Patent CA-2265148-A1 (CA)
Title: Abrasive bristle tip toothbrush and bristle abrasive adhesion process
Inventor: ANDERSON CHARLES EDWIN
IPC: A46D1/00
Filed: 1999-04-13
Abstract: The abrasive bristle toothbrush is designed to clean the teeth without damaging the enamel, In a rapid one step multi-bristle application process, the pre-assembled toothbrush has its bristle tips subjected to the abrasive application process.
Patent CA-2266538-A1 (CA)
Title: Procede et installation de fabrication de tubes en matiere plastique avec etirage bi-axial, et tube en matiere plastique ainsi obtenu
Inventor: ACKET JEAN-JACQUES
IPC: F16L47/08
Filed: 1997-09-18
Abstract: The invention concerns a method for making plastic tubes, whereby a tube blank (Te) brought to a temperature close to molecular orientation temperature is subjected to a bi-axial drawing, by radial expansion of the tube blank inside a forming shaft (2), with formation of a contraction cavity at one end of the tube, by controlled displacement of this contraction cavity to the other end of the tube, and by longitudinal drawing. The radial expansion is carried out in at least two phases, viz. a first phase during which the tube blank (Te) is inflated to an intermediate diameter (Di) determined by a double-walled envelope (21), introduced into the forming shaft (2), with circulation of a hot fluid between the two walls of the envelope (21), and then the envelope is gradually removed from the forming shaft (2) to enable, during a second phase, the radial expansion of the plastic tube up to an internal diameter of the forming shaft (2), and its longitudinal drawing.
Patent CA-2267282-A1 (CA)
Title: Covering material for stacks and sitting-out areas in mushroom culture
Inventor: JAEGER RUDOLPH
IPC: A01G1/04
Filed: 1997-09-18
Abstract: The invention concerns a covering material for stacks and sitting-out areas in mushroom culture, consisting of 50 to 80 % by volume filter cake from paper manufacturing and 20 to 50 % by volume aggregates such as peat, vegetable fibers, milled limestone and/or marl with improved water storing capability and reduced nutritive content.
Patent CA-2267481-A1 (CA)
Title: Critical interdependency: from the role of estrogen on breast cancer to the susceptibility of women towards hiv infection
Inventor: PULIDO-CEJUDO GABRIEL
IPC: G01N33/574
Filed: 1999-03-30
Abstract: Amongst risk factors known to be involved in the pathophysiology of Breast Cancer, estrogenic steroids have been reported to play a major role in the early onset and disease progression. In addition, recent clinical reports claim an increased incidence of AIDS in young women in comparison to any other group of people regardless of race or mode of exposure to HIV virus. We herein report that estrogen can stimulate both NDP-Kinase/Nm23 (EC 2.7.4.6) and Leucine Aminopeptidase (LAPase; EC 3.4.11.1 ) at physiological concentrations leading to an increased activity of both cellular markers. Our results suggest that while estrogen could simultaneously activate NDP-Kinase/Nm23 and LAPase, perhaps leading to higher serum levels of these peptides detected in patients with Breast Cancer, in-vitro studies suggest that estrogen can also enhance HIV infection. We propose that the increased susceptibility to HIV infectivity in cells exposed to estrogen could be related to the effect of estrogen on cellular LAPase activity. The effect of estrogen on LAPase activity resulting in an increased infectivity is in accordance to our previously reported role of this enzyme in HIV viral entry. Finally, the concept of estrogen critical interdependent pathways and their role on Breast Cancer and HIV is discussed.
Patent CA-2267523-A1 (CA)
Inventor: WILLIAMS CHRISTOPHER EDWARD
IPC: A61P25/00
Filed: 1997-10-06
Abstract: This invention relates to methods of regulating the effect of neural enzymes.  It particularly relates to increasing the effective amount of the neural enzymes choline acetyltransferase (ChAT), glutamic acid decarboxylase (GAD) and nitric oxide synthetase (NOS) in the central nervous system (CNS) through the administration of GPE.
Patent CA-2269562-A1 (CA)
Title: Drive-line damping control for an electric vehicle
Inventor: LYONS ARTHUR P
IPC: B60L15/20
Filed: 1999-04-20
Abstract: An electric motor vehicle includes an electric motor driving a step-down differential, axles, and drive wheels. An operator control produces torque command signals, which are applied to a controller to command application of electric power to the motor in response to the torque commands, to achieve the desired torque. The low friction of the electric drive, in conjunction with the rotational compliance or imperfect stiffness of the axles, may result in low-frequency surges or jerky motion, especially at low speeds. A damping arrangement includes a differencing circuit coupled between the operator control and the controller, for taking the difference between the operator-commanded torque and a damping torque signal. The damping torque signal is produced by differentiating the electric motor speed to produce a motor-acceleration representative signal.
Patent CA-2272662-A1 (CA)
Inventor: HEYDUK HENRY
IPC: A63B59/70
Filed: 1999-02-22
Abstract: A hockey stick blade assembly for removable and replaceable installation onto a reusable hockey stick shaft comprises a blade member having a bottom blade portion and an upwardly extending hotel portion insertable into the hallow end of the hockey stick shaft. First and second co-operating wedging surfaces are operatively disposed on the hotel portion of the blade member and an an outer wall of the hockey stick shaft. respectively, and are shaped for wedging contact with each other. When the hazel portion of the blade member engages the hockey stick shaft, the first wedging surface imparts a substantially transverse first wedging force to the second wedding surface and the second wedging surface imparts an oppositely directed substantially transverse second wedging force to the first wedging surface, which wedging forces are transmitted to the outer walls of the hollow-ended hockey stick shaft. The outer walls deform slightly to absorb the opposed first and second wedging farces and thus impart corresponding inwardly directed opposed reaction forces against the first and second wedding surfaces, thereby forcing the first and second wedging surfaces into intimate frictional engagement one with the other, so as to retain the blade member in place on the hockey stick shaft. A lacking means is securely engageable between the blade member and the hockey stick shaft to preclude relative movement along a common longitudinal axis of the blade member and hockey stick shaft with respect  to each other when the blade member is installed ort the shaft.
Patent CA-2272848-A1 (CA)
Title: Parasitic nematode transglutaminase proteins, nucleic acid molecules, and uses thereof
Inventor: CHANDRASHEKAR RAMASWAMY
IPC: A61K38/00
Filed: 1997-12-02
Abstract: The present invention relates to parasitic nematode transglutaminase proteins;  to parasitic nematode transglutaminase nucleic acid molecules, including those that encode such transglutaminase proteins; to antibodies raised against such transglutaminase proteins; and to compounds that inhibit parasitic nematode transglutaminase activity. The present invention also includes methods to obtain such proteins, nucleic acid molecules, antibodies, and inhibitory compounds. Also included in the present invention are therapeutic compositions comprising such proteins, nucleic acid molecules, antibodies and/or inhibitory compounds as well as the use of such therapeutic compositions to protect animals from diseases caused by parasitic nematodes. This invention also relates to the surprising discovery that parasitic nematode transglutaminase proteins have protein disulfide isomerase activity. Accordingly, this invention relates further to inhibitors of the protein disulfide isomerase activity of said transglutaminases.
Patent CA-2274392-A1 (CA)
Title: Ink jet cartridge, ink jet head and printer
Inventor: IKEDA MASAMI
IPC: B41J2/175
Filed: 1993-07-21
Abstract: An ink jet cartridge includes a first chamber for accommodating a negative pressure producing material and provided with air communication part for communication with ambient air, wherein a part of the negative pressure producing material does not contain ink adjacent the air communication part; a second chamber which is substantially closed except for a fine communication part for communication with the first chamber at a position away from the air communication part, wherein 'the second chamber directly accommodates the ink to be supplied to the first chamber.
Patent CA-2275049-A1 (CA)
Inventor: HUANG JUNFU
IPC: A61K9/00
Filed: 1999-06-17
Abstract: A drug delivery composition is disclosed that can achieve the sustained release of biologically active agents. Preferred is a composition having a dental application in the root canals and pulp chambers of teeth. A particularly preferred composition is a non-biodegradable device capable of achieving the sustained release of antimicrobial agents. The composition can be formed into insert devices, that can be used to treat and prevent endodontic diseases and conditions. The insert devices are especially useful in treating and preventing diseases such as periradicular periodontitis, apical abscess and external inflammatory root resorption, all of which require drug delivery to the root canals and pulp chambers of the affected teeth. Preferably, the composition contains chlorhexidine and its salts , that can be released to sustain high concentrations in root canals of teeth over a period of up to three months.
Patent CA-2276598-A1 (CA)
Title: Method for synthesis of rhizoferrin
Inventor: BERGERON RAYMOND J JR
IPC: C07C231/18
Filed: 1998-01-08
Abstract: A method of synthesizing rhizoferrin and analogues thereof comprising acylating a protected polyamine with a citric acid diester; hydrolyzing the resulting amide to produce an N-protected rhizoferrin or analogue thereof; and deprotecting the intermediate to produce rhizoferrin or the analogue thereof.
Patent CA-2277945-A1 (CA)
Title: Stable isotope measurement method and apparatus by spectroscopy
Inventor: MORI MASAAKI
IPC: G01N21/35
Filed: 1998-01-12
Abstract: In accordance with the present invention, a test gas sample containing carbon dioxide 13CO2 as a component gas is introduced into a cell, then the absorbance of light transmitted therethrough at a wavelength suitable for the component gas 13CO2 is determined, and the concentration of the component gas is determined on the basis of a calibration carne prepared through measurement on test gas samples each containing the component gas in a known concentration. Further, the concentration of water vapor contained in the test gas sample is measured, and the concentration of the component gas in the test gas sample is corrected in accordance with the measured water vapor concentration on the basis of a correction curve prepared through measurement on the test gas samples each containing water vapor in a known concentration. With the spectrometry, the concentration ratio of the component gas can precisely be determined and corrected by measuring the moisture content in the test gas sample.
Patent CA-2279152-A1 (CA)
Title: Multiple uneven plate, multiple uneven plate bending mold, multiple uneven plate manufacturing method and separator using multiple uneven plate
Inventor: IKUSHIMA KOUICHI
IPC: H01M8/04
Filed: 1999-07-30
Abstract: A method of manufacturing a multiple uneven plate having multiple uneven portions, the multiple uneven portions having large protruding degree of each of the concave or convex portions, the concave or convex portions adjacent to one another includes the steps of forming a plurality of grooves, so that in the grooves the plate thickness is reduced and bending the plate to form a plurality of crest and trough lines crossing the grooves.
Patent CA-2282199-A1 (CA)
Inventor: CANDELARIA LAUREN
IPC: A45F3/14
Filed: 1999-09-15
Abstract: An ergonomically designed bag is configured with a strap system that is easily converted from a two-strap backpack mode into a single-strap shoulder bag mode. The carrying strap is attached at a first end to the top of the bag.  The strap is longitudinally dividable with a zipper incorporated into the strap.  When in the backpack mode the zipper is open to define a pair of straps, the lower ends of which are connected to D-rings on lateral sides of the front panel. When in the shoulder bag mode the zipper is closed and the lower ends of both straps are connected to a D-ring on a side panel of the bag.
Patent CA-2283918-A1 (CA)
Title: An imaging apparatus with video data transmission
Inventor: SHINOHARA TOSHIAKI
IPC: H04N5/335
Filed: 1999-09-27
Abstract: A communication circuit transmits the digital video signal to a transmission line and receives a clock signal and timing data transmitted through the transmission line.      The timing data indicates a communication timing. A timing signal generation circuit generates timing signals from the detected clock signal to control the imager, the a/d converting circuit, the signal processing circuit, and the communication circuit. A communication control circuit detects a communication timing from the timing data, fudges whether the communication timing is detected within a predetermined condition (communication error), and controls the timing signal generation circuit to stop transmitting the digital video signal when the communication timing is not detected within the predetermined condition to prevent a fail in transmitting the video data. A shutter interval of the imager is further controlled toward a constant shutter interval in response to the communication error.      The video signal is stored in a memory in response to the communication error and read if the communication error eliminated. The communication error is displayed. A system control signal indicative of data transmission period is generated in response to a received cycle start packet in accordance with the obtained data rate and channel timing.
Patent CA-2287957-A1 (CA)
Inventor: PAVER STEPHEN J JR
IPC: B29C48/00
Filed: 1998-05-07
Abstract: A capsule (10) is formed from a pre-expanded foam core (12) in a compressed condition with a thermoplastic outer covering (14) completely enveloping the foam core (12) to maintain it in the compressed condition. The outer covering (14) is made of a material capable of softening sufficiently when heated to permit the foam core (12) to expand toward its original expanded uncompressed condition. Preferably, the outer covering (14) adheres to the foam (12) and then is carried by the expanding foam (12) into intimate contact with the inner surface of a hollow structural member so as to form a seal for the hollow structural member.
Patent CA-2292965-A1 (CA)
Inventor: STEINER JOSEPH P
IPC: A61K31/215
Filed: 1998-06-03
Abstract: This invention relates to pharmaceutical compositions and methods for treating alopecia and promoting hair growth using pyrrolidine derivatives.