baber/WOPTO huggingface dataset:
Patent CA-2335737-A1 (CA)
Title: Recovery of heavy hydrocarbons by in-situ hydrovisbreaking
Inventor: RIMMER DANIEL P
IPC: E21B43/243
Filed: 1999-06-23
Abstract: A process is disclosed for the in-situ conversion and recovery of heavy crude oils and natural bitumens from subsurface formations (27) using either a continuous operating with one or more injection and production boreholes (21) and (201), which may included horizontal boreholes (212), or a cyclic operation whereby both injection and production occurs in the same boreholes (21).  A mixture of reducing gases, oxidizing gases, and steam are fed to the downhole combustion device (206) located in the injection boreholes (21). Combustion of the reducing gas-oxidizing gas mixture is carried out to produce superheated steam and hot reducing gases for injection into the formation to convert and upgrade the heavy crude of bitumen into lighter hydrocarbons. Communication between boreholes (21) and (201) is induced by fracturing. Injection wells may be cyclically operated where wellhead pressure is reduced and hydrocarbons in the vicinity of the boreholes (21) are produced, or continuously injected to drive hydrocarbons to the production boreholes (201) for recovery.  In both operations, the hydrocarbons produced are collected at the surface for further processing.
Patent CA-2335765-A1 (CA)
Title: Arrangement for hair and hair tongs provided with such arrangement
Inventor: HAGELSTAM PETER
IPC: A45D2/38
Filed: 1999-07-05
Abstract: The invention proposes a device (6; 6'), and curling tongs (1; 1') having such a device (6; 6'), for creating volume in the hair, by means of a portion of the hair nearest the head being pinched between leg elements (7, 7'; 8, 8') which are provided with a wave shape (11, 11'; 12, 12') of decreasing amplitude (a), so that this portion acquires a wave shape (11, 11'; 12, 12') or curl which is sufficient to lift the hair. The appearance of the hair is not substantially changed otherwise.  The effect lasts until the hair is washed.
Patent CA-2338615-A1 (CA)
Inventor: DA REN
IPC: H04W64/00
Filed: 2001-02-27
Abstract: An integrated wireless-global positioning system determines the location of a wireless terminal from satellite measurements and wireless network measurements. The accuracy of the location identified is dependent upon the quality of the measurement from the wireless network which, unfortunately, can contain measurement errors such as biases. Biases are caused by time delays which occur during the processing and transmission of signals. The time delays vary for each sector/base station and for each type of wireless terminal model being used. Calibration of these biases is important for the success of the integrated wireless global positioning system. For a small network system which has only a handful of base stations/wireless terminals, a specific system to calibrate the time delays for each base station and/or wireless terminal can be set up. The approach is, however, costly, time consuming, and subject to many errors.  It is not feasible for a large scale, commercial system where hundreds of base stations and dozens of different types of wireless terminals are involved. This invention is a method of using an integrated wireless global positioning system to obtain pilot phase offset delay parameters, to continuously improve the quality of the values obtained, and to adaptively adjust the parameters for changes that may occur. The method does not require that a particular system be set up for the calibration, and it does not require a team of technical experts to perform field calibrations. With this method, the wireless terminals that have unobstructed reception of global positioning system signals are used to determine an estimate of the pilot phase offset time delay parameters which are then used to update previously obtained parameters in the database. The estimated pilot phase offset time delay parameter is then used to calibrate the pilot phase offset measurements applied to fix the position of a wireless terminal that does not have unobstructed GPS signal reception.
Patent CA-2339470-A1 (CA)
Inventor: MARSHALL CONNIE T
IPC: H04N7/16
Filed: 1999-08-05
Abstract: A system and method in which one or more television products are augmented by Internet-delivered television-related information is provided. The Internet-delivered television-related information may include markup language documents that define display screen content and functionality. The content of the markup documents may be maintained in a central database. Because the information and markup language documents may be centrally managed, additional interfaces for television products such as passive program guides, promotional video channels, and interactive guides may be presented consistently in all the products. In addition, the content that is provided over the Internet may be synchronized with the current video content displayed by the video products.
Patent CA-2340153-A1 (CA)
Title: Procedes de purification de molecules d'acides nucleiques nonchromosomiques provenant de cellules
Inventor: MITTELSTAEDT DENICE M
IPC: C12R1/19
Filed: 1999-07-30
Abstract: L'invention concerne des procédés de purification de molécules d'acides nucléiques nonchromosomiques provenant de cellules. Les étapes principales consistent à lyser des cellules de façon à former un lysat contenant des acides nucléiques et à déposer le lysat sur un filtre de profondeur dans le but d'obtenir une solution clarifiée contenant des molécules d'acides nucléiques nonchromosomiques purifiées.
Patent CA-2340665-A1 (CA)
Inventor: SULLIVAN KEVIN J
IPC: G01N31/22
Filed: 1999-08-19
Abstract: A liquid permeable metallic coating (40) is utilized in conjunction with a fluorescence based optical sensor (70). The metallic coating is deposited directly on, and is in physical contact with, the sensing membrane (30). The  metallic coating does not require an intervening substrate layer or other components. When light from a light source (50) is shone through the substantially light transmissive substrate onto the sensing membrane (30), t he metallic overcoating (40) reflects back the excitation light as well as the fluorescence light generated by the sensor such that substantially no light reaches the sample where the light may be scattered and/or absorbed by the sample. Accordingly, the accuracy and repeatability of the sensor (70) is improved while the cost and production times associated with manufacturing t he sensor are minimized.
Patent CA-2343800-A1 (CA)
Title: Fiber connector and adapter
Inventor: LU LIANG-JU
IPC: G02B6/38
Filed: 1999-09-01
Abstract: Fiberoptic connector adapter assembly includes a fiberoptic connector received within an adapter. The connector (100) has a cover (166) on the connector housing (150). The cover (166) pivots between open and closed positions to expose or cover, respectively, an optical fiber contained within the connector (100). Longitudinal guides of the connector (100) are received cooperating with longitudinal guides of the adapter to direct the connector (100) into the adapter in a prescribed alignment. A cam pin is carried on the adapter to engage a cam pin receiving slot on the cover to urge the cover to the open position as the connector (100) is inserted into the adapter. A spring mechanism biases the cover (166) toward the closed position and open positions.
Patent CA-2345618-A1 (CA)
Inventor: BOK SONG HAE
IPC: A23L1/30
Filed: 1999-08-19
Abstract: L'invention concerne une utilisation d'un flavonoïde dérivé d'écorces d'agrumes en vue d'inhiber une agrégation plaquettaire induite par le collagène chez un mammifère.
Patent CA-2347263-A1 (CA)
Title: Bulb having interior surface coated with rare earth oxide
Inventor: KIRKPATRICK DOUGLAS A
IPC: H01J9/40
Filed: 1999-11-12
Abstract: A lamp bulb (1) includes a light transmissive envelope (2), a fill material disposed inside the envelope including a rare earth metal which forms a plasma discharge when excited, and a coating (3) disposed on an interior surface of the envelope which inhibits reaction between the plasma discharge and the envelope (2), wherein the coating (3) comprises an oxide of the same rare earth metal of the fill material. A process for coating the interior of a lamp bulb envelope (2) includes preparing a sol gel solution having a precursor of the desired coating, introducing the sol gel solution into a lamp preform, distributing the sol gel along an interior surface of the bulb, and drying and firing the sol gel to obtain the coated bulb.
Patent CA-2350514-A1 (CA)
Title: Arc fault circuit breaker
Inventor: MASON HENRY H JR
IPC: H01H83/14
Filed: 2000-09-13
Abstract: An arc fault circuit breaker (10) conducting an electric current to a protected load is presented. The circuit breaker (10) has a first (mechanica l) compartment (24) and a second (electrical) compartment (62). A bimetal resistor (50) is disposed within the first compartment (24) and conducts the  current therethrough. The bimetal resistor (50) has a stud (56) extending in to the second compartment (62). A single sense line (60) is electrically connected to the bimetal resistor (50) and routed into the second compartmen t (62). The sense line (60) and said stud (56) conduct a voltage signal indicative of arcing of the current. A circuit board (84) is disposed within  the second compartment (62) and is connected to the sense line (60) and stud  (56) within the second compartment (62) to process the voltage signal. The circuit board (84) has a first conductive path (104) electrically connected to the stud (56), and a second conductive path (106) electrically connected to the sense line (60). The first and second conductive paths (104, 106) run substantially parallel and proximate to each other such that electromagnetic  interference of the voltage signal is substantially reduced.
Patent CA-2351193-A1 (CA)
Inventor: SCHWEIGER MARCEL
IPC: A61K6/838
Filed: 2001-06-21
Abstract: A low-temperature-sintering apatite glass ceramic is described which is characterized by a high chemical stability, a low coefficient of expansion as well as high translucency and which is particularly suitable on its own or together with glasses or other glass ceramics as coating or veneering material for ceramic dental restorations.
Patent CA-2355351-A1 (CA)
Title: Connecting module providing the connection between a printer and an enveloping machine
Inventor: NAUCHE GILLES
IPC: B43M5/04
Filed: 2000-09-22
Abstract: This connecting module (2), inserted between a printer and an enveloping machine, comprises a first zone (17) for receiving documents, a second zone (18) for receiving documents, a sheet outlet zone (19) and an envelope outlet zone (20), first conveying means (23-28, 31, 32) connecting the first receiving zone (17) to the sheet outlet zone (19), second conveying means (36-39, 41, 42, 45, 52, 54) connecting the first receiving zone (17) to the envelope outlet zone (20), and third conveying means (82, 53, 52, 54) connecting the second receiving zone (18) to the envelope outlet zone (20), controllable routing means (33) being located on a common inlet section of the first and second conveying means so as to select the path according to the type of document arriving in the receiving zone (17).
Patent CA-2356520-A1 (CA)
Inventor: CROSSLAND WILLIAM ALDEN
IPC: G02F1/13
Filed: 1999-12-23
Abstract: An image display system, e.g. for projection type displays, has an electrically addressed spatial light modulator or EASLM (1) and an optically addressed spatial light modulator or OASLM (5). An image formed on the EASLM  (1) is transferred to a part of the OASLM (5) by an image transfer means (3) and the image produced by the OASLM (5) is formed from a plurality of successive images formed by the EASLM.
Patent CA-2357235-A1 (CA)
Title: Method for polarization birefringence compensation in a waveguide demultiplexer using a compensator with a high refractive index capping layer
Inventor: JANZ SIEGFRIED
IPC: G02B6/10
Filed: 2001-09-12
Abstract: A method is disclosed for polarization birefringence compensation in a photonic device with a slab waveguide having a core. A compensator region is formed in the slab waveguide to minimize the wavelength shift between light of different polarizations. A thin capping layer, typically of silicon nitride, having a higher refractive index than the core is formed on the compensator region to increase the birefringence contrast between the compensator region and the planar waveguide.
Patent CA-2357267-A1 (CA)
Title: Connector block with shock tube retention means and flexible and resilient closure member
Inventor: LECOMPTE JOSEPH GEORGES MARIO
IPC: C06C5/06
Filed: 2001-09-07
Abstract: The present invention provides a connector block for retaining shock tubes in signal transmission relationship with the percussion-actuation end of a detonator.  The connector block is configured for facile lateral insertion of shock tubes. In this regard, less insertion force is required to insert the shock tubes into the connector block, thereby reducing the possibility of shock tube damage upon insertion. In addition, the connector block of the present invention provides improved shock tube retention, and reduces the possibility of accidental removal of a shock tube from the connector block.
Patent CA-2362307-A1 (CA)
Title: Asymmetric intraocular lens injection cartridge
Inventor: HEYMAN THOMAS
IPC: A61F9/00
Filed: 2000-03-23
Abstract: A lens injector cartridge having an asymmetric bore. The asymmetric bore initiates the folding of the lens on one side only, thereby reducing the amount of energy imparted to the lens and the potential for damage to the lens. The gentle folding of the lens also assists in positioning the travel of the haptics down the bore, thereby reducing the potential for damage to the haptics.
Patent CA-2363102-A1 (CA)
Title: Method for decreasing elutriation loss of fine iron ore in fluidized bed type reducing operation
Inventor: CHOI NAG-JOON
IPC: C22B5/14
Filed: 1999-12-16
Abstract: A method for decreasing the elutriation loss of fine iron ore in a circulating fluidized bed type reducing operation is disclosed. The method includes charging lime stone (CaCO3) or dolomite (CaCO3, MgCO3) in an amount of 3-6 vol% together with the fine iron ore into a fluidized bed type furnace. In another embodiment, the method includes the addition of a sludge in an amount of 0.2-5.0 wt% to the fine iron ore and mixing them thus coating the fine iron ore particles; drying the coated particles at a temperature of 105-800 °C for 1-24 hours and then charging the coated fine iron ore into a fluidized bed type furnace.
Patent CA-2363820-A1 (CA)
Inventor: KONDOH YASUMITSU
IPC: C40B40/10
Filed: 2001-11-23
Abstract: A biomolecule microarray support for spotting solutions containing probe biomolecules on the surface and immobilizing the probe biomolecules in the solutions to the surface, characterized in that a plurality of small-sized probe biomolecule-attachable spots are arrayed in a regular arrangement on the surface of the support. A biomolecule microarray, made by spotting solutions containing probe biomolecules on the biomolecule-attachable spots on the support and immobilizing the biomolecules to the spots, can be used for quantitative analysis because of uniform and unvarying numbers of probe biomolecules bound to the spots. It also makes possible high S/N ratio measurement because of prevented nonspecific adsorption of target biomolecules to the surface of the support other than the detection spots. The biomolecule microarray support is fabricated precisely and efficiently by the method of the present invention using the photolithography and etching technique.
Patent CA-2365699-A1 (CA)
Title: Wireless communications device having a compact antenna cluster
Inventor: STOYTCHEV MARIN
IPC: H01Q9/08
Filed: 2001-12-19
Abstract: A wireless communication device comprising a signal processing device coupled to a cluster of multiple port antennas that can simultaneously transmit and/or receive communication signals. The cluster of antennas operates within a frequency band having maximum frequency .function. , and at least a pair of the antenna ports is placed in a volume of space whose longest linear dimension is ~ or less where ~ is equal to ~. During operation of the antenna cluster, the radiation patterns from different antennas have main lobes that point in different directions and have correlations of 0.7 or less with respect to each other.
Patent CA-2366737-A1 (CA)
Inventor: CHENG STANLEY KIN-SUI
IPC: A47J36/02
Filed: 2002-01-04
Abstract: A method of surface treating a cookware article formed of aluminium or aluminium alloy, comprises the steps of applying a first coating of porcelain enamel to the exterior of the article; subjecting the interior of the article to hard-anodizing; and applying a second coating of porcelain enamel over the first coating.
Patent CA-2367201-A1 (CA)
Inventor: MOROZUMI NAOYA
IPC: F04C27/00
Filed: 2002-01-10
Abstract: In order to give appropriate back pressure to an orbiting-scroll during any operation, on one end side of a cylindrical thrust ring, there is provided a flange portion, and a movable range of the orbiting-scroll in an axial direction with respect to a regulation surface of a main frame is indirectly regulated through this flange portion, on the flange portion, there is provided a groove, and the groove is caused to communicate to a first back-pressure chamber at a low-pressure side.
Patent CA-2367277-A1 (CA)
Title: Polynucleotide sequencing using a helicase
Inventor: DENSHAM DANIEL HENRY
IPC: C12Q1/68
Filed: 2000-04-06
Abstract: A method for sequencing a polynucleotide, comprises the steps of: (i) reacting a target polynucleotide with a helicase/primase enzyme (which may be immobilised), under conditions suitable for enzyme activity; and (ii) detecting the interaction between the enzyme and a nucleotide on the target, by measuring radiation.
Patent CA-2371408-A1 (CA)
Title: Pad for panel
Inventor: YU SHAWN
IPC: E04B2/74
Filed: 2000-05-26
Abstract: A space-dividing wall panel system includes an improved acoustic and tackable cover pad. The cover pad includes an interior molded panel which is compressed about its peripheral edges wherein the compressed edge sections provide the required rigidity for the cover pad. While edge rails are provided in these edge sections, the edge rails are not rigidly connected to each other but instead are adhered to the molded panel. The edge rails are provided for mounting the cover pad to a wall panel frame and provide rigid edge areas to which a cover fabric is adhered. The molded panel is formed of a fiberglass having layers of a scrim material embedded therein for tackability. The molded panel further includes a compressed mounting region which has an increased rigidity to facilitate mounting of receptacle bezels thereto.
Patent CA-2372332-A1 (CA)
Inventor: HERBERS KARIN
IPC: C12N15/61
Filed: 2000-04-17
Abstract: Cette invention concerne un procédé de production de plantes ayant une teneur élevée en tocophérols, vitamine K, caroténoïdes, chlorophylles et polyterpènes par surexpression d'un gène DXPRI.
Patent CA-2374811-A1 (CA)
Title: Position determination
Inventor: ERICSON PETTER
IPC: G06F3/033
Filed: 2000-05-26
Abstract: A position-coding pattern (3) which extends across a surface and codes a plurality of positions (7a, 7b) on the surface is described. The coding in a  first dimension is based on the use of a first and a second string of symbol s, each containing a predetermined number of symbols and each having the characteristic that if a specific number of symbols is taken from the first string of symbols, the location of these symbols in the string of symbols is  unambiguously determined. By means of displacements between these strings of  symbols, a large number of positions can be coded in the first dimension. A third string of symbols of the same type is used for the coding in a second dimension.
Patent CA-2375109-A1 (CA)
Inventor: ROMINE JAMES R
IPC: E03C1/04
Filed: 2002-03-08
Abstract: A faucet spout having interior surfaces sloping in the direction of its base so that any liquid in its interior will drain when the faucet spout is supported in a generally upstanding position with its outlet end above its base.
Patent CA-2377542-A1 (CA)
Title: Clonage de l'antigene basb110 de moraxella (branhamella) catarrhalis
Inventor: THONNARD JOELLE
IPC: C12N15/31
Filed: 2000-06-23
Abstract: L'invention concerne des polypeptides BASB110 et des polynucléotides codant pour ces polypeptides BASB110 ainsi que des méthodes de production de ces polypeptides au moyen de techniques de recombinaison. L'invention concerne également leurs utilisations à des fins diagnostiques, prophylactiques et thérapeutiques.
Patent CA-2379512-A1 (CA)
Inventor: NOAKI YASUHIDE
IPC: C25B9/17
Filed: 2000-08-28
Abstract: Each of a plurality of unit cells for multi-pole filter press type electrolytic tank, including an anode-side pan-like frame having an anode ro om and an anode-side gas/liquid separation room extending along the entire leng th of the upper side thereof, and a cathode-side pan-like frame similarly havin g a cathode room and a cathode-side gas/liquid separation room, characterized in that a porous segment-containing foam removing partition wall extending from  the holed bottom wall upward and along the entire length of the anode-side gas/liquid separation room is provided in the gas/liquid separation room, holes in the porous segment are provided so as to be positioned at least 10 mm above the inner surface of the holed bottom wall of the separation room, and  the separation room is partitioned by the foam removing partition wall into a first passage having the holed region of the holed bottom wall and a second passage having the non-holed region of the holed bottom wall and communicati ng with gas and liquid discharge nozzles.
Patent CA-2385145-A1 (CA)
Title: Non-saturating magnetic element(s) power converters and surge protection
Inventor: WOODLAND GARTH BLAIR
IPC: H02M3/335
Filed: 2000-09-26
Abstract: Single, multistage, and distributed magnetic switched and tank resonant powe r conversion systems utilizing NSME. The NSME provide, superior protection to conducted lightning transients, superior thermal operating bandwidth, higher  magnetizing efficiency, greater flux/power density potential and form factor  flexibility when implemented with the disclosed circuit strategies. Output voltage is maintained substantially constant and ripple free in the presence  of line and load variations by the action of various feedback strategies. These mechanisms combine to produce compensations by controlling the duratio n and/or frequency of a switch or switches. A novel function generator implementation supplies a signal, which is a function of magnetic flux tracking, AC line phasing, and output voltage feedback to provide output regulation, active ripple rejection, and power factor correction to the AC line. Efficient energy storage and transfer is achieved by the optimized application of NSME. The use of efficient rectifying flyback management techniques protects switches and provides additional output. A second novel generator implementation supplies a two-phase signal, which is a function of  switching frequency/duty cycle, and output voltage, provides regulation. Further efficiencies are realized by the inclusion of switching buffers that  substantially reduce switching losses by presenting a high slew rate, low source impedance critically damped drive current to the main switch or switches.