baber/WOPTO huggingface dataset:
Patent CA-2210865-A1 (CA)
Title: Cationic polymer composition for sludge dewatering
Inventor: KUROWSKY STEPHEN R
IPC: C02F11/148
Filed: 1997-07-18
Abstract: An improved sludge dewatering composition is prepared by (i) forming an aqueous solution of a water soluble nonionic monomer, a cationic comonomer, and a cationic polymer,  (ii) emulsifying the aqueous solution in a sufficient quantity of hydrocarbon oil to form a water-in-oil emulsion,  and  (iii)  polymerizing the monomers.
Patent CA-2213193-A1 (CA)
Title: Electronic circuit for protecting power supply to a load
Inventor: SCHRADE CHESTER
IPC: H02H3/02
Filed: 1997-08-15
Abstract: A circuit provides instantaneous restriction of current supplied to a load from a power supply to a predetermined maximum current by controlling fluid current through a first transistor using a second transistor responsive to voltage across a resister in series of the first transistor to control flow of a current from the base of the first transistor. The actuation of the first transistor to restrict maximum current causes charging of a capacitor at a predetermined rate to a predetermined threshold voltage at which time a threshold device actuates the second transistor to cause switching off of the first transistor to halt any current flow to the load.
Patent CA-2215519-A1 (CA)
Inventor: WINGARD PETER F
IPC: G08B13/14
Filed: 1996-04-04
Abstract: Security (e.g., theft-disincentive) for portable electronic appliances is provided by integrating a decoder into the power supply of an electronic appliance which prevents the electronic applicance from being powered up in the absence of a unique code impressed by an emitter on the power lines feeding power to the electronic appliance, and permits the electronic appliance having a decoder to be powered up (i.e., power-uppable) only in the presence of the unique code. Electronic appliances having the detector incorporated (e.g., integrated) therein are termed "protected equipment". The emitter may be "fixed" by hard-wiring same to the power lines in a household (e.g., behind a switch or receptacle face plate), or may be "portable" so that the user can transport and use (e.g., power up) the protected equipment at an other location simply by plugging the emitter into a receptacle at the other location and located in a safe place. The detector is integrated into the protected equipment in such a manner that bypassing its function (or removing the decoder) will render the equipment inoperable (or, would be cost prohibitive).
Patent CA-2215723-A1 (CA)
Title: Intramedullary bone plug
Inventor: CARN RONALD M
IPC: A61F2/36
Filed: 1997-01-03
Abstract: A bone plug (10) is provided for insertion into the medullary canal of a patient bone during orthopedic surgery wherein the bone plug (10) restricts or prevents passage of bone cement (20) introduced under pressure into the medullary canal. The bone plug (10) comprises a generally cylindrical member formed from a biocompatible material such as polyethylene and having sets of distal and proximal fins (24, 26) formed thereon. The bone plug (10) is installed with an insertion tool (12) that can be readily manipulated to orient the distal fins (24) to define distally presented outer edges (30) to anchor the bone plug by biting into patient bone, whereas the proximal fins (26) are oriented to define proximally presented outer edges (34) to seal against bypass flow of bone cement (20) past the bone plug (10).
Patent CA-2222058-A1 (CA)
Inventor: MARKELS MICHAEL JR
IPC: B09C1/10
Filed: 1996-05-24
Abstract: La présente invention concerne un procédé d'extraction de matières d'une décharge (3, 4), lequel procédé comprend les étapes suivantes: transformer la décharge (3, 4) en un site de production aérobie en injectant (7) de l'humidité et de l'air, ainsi qu'une matière brute telle que des boues d'épuration, et ventiler (2) l'air et l'humidité appauvris, ce qui a pour effet d'accroître la vitesse de décomposition des déchets; excaver la décharge (3, 4) afin d'en retirer des matières; séparer les matières extraites afin d'isoler sensiblement au moins une matière distincte des matières résiduelles; jeter la ou les matières distinctes, et renvoyer les matières résiduelles dans la décharge (3, 4). Ces matières distinctes se composent de préférence de déchets décomposés. La vitesse de production aérobie peut régulée comme suit: si la température de la décharge (3, 4) devient trop élevée, on peut alors injecter (7) un supplément d'air et d'eau afin de la refroidir; dans le cas où la température de la décharge (3, 4) devient trop basse, on peut alors injecter des matières brutes additionnelles, telles que des boues d'épuration, afin d'augmenter la vitesse de réaction.
Patent CA-2222479-A1 (CA)
Title: Tilt-compensating indicator device for a compass
Inventor: GIGON DENIS
IPC: G01C17/06
Filed: 1996-05-29
Abstract: The invention concerns a tilt-compensating indicator device for a compass (100) comprising a magnetic field detection device (20) which is mounted on a conical bearing (7) and is accommodated in a housing (100') of the compass (100). The indicator device (30) is rotatably mounted on the magnetic field detection device (20) by means of a receiving bearing (8, 10) whose bearing shaft (8), accommodated in bearing elements (10) of the magnetic field detection device (20), extends substantially at right-angles to the north-south direction of the magnetic field detection device (20).
Patent CA-2224496-A1 (CA)
Title: Heating method and apparatus
Inventor: NAKAGAWA TSUGUHIKO
IPC: F27D99/00
Filed: 1997-12-15
Abstract: Employed are three or more units of regenerative heaters 1A - 1C including first regenerative chambers 3A - 3C provided in lines for exhausting combustion exhaust gases, and second regenerative chambers 4A - 4C provided in lines for sucking and recovering N2 as an atmosphere gas. Of those regenerative heaters, one unit (1C) passes the sucked atmosphere gas N2 through the second regenerative chamber 4C to accumulate the developed heat of the sucked atmosphere gas N2 therein. The remaining one unit (1A) passes combustion air through the second regenerative chamber 4A, in which the heat has been accumulated, for heating it, performs combustion by using the combustion air, and passes only the combustion exhaust gas produced with the combustion through the first regenerative chamber 3A to accumulate heat therein. The remaining one unit (1B) passes the atmosphere gas N2 through the first regenerative chambers 3A - 3C, in which heat has been accumulated, for conversion into developed heat from accumulated heat, thereby heating and supplying the heated atmosphere gas N2 to an atmosphere of an object to be heated. Such a combustion state, an atmosphere gas heating state and an atmosphere gas sucking state are switched over successively in this order for each of the regenerative heaters. As a result, the atmosphere gas can be recovered for reuse and the developed heat of the recovered atmosphere gas can be converted into developed heat of the combustion air for an improvement of thermal efficiency.
Patent CA-2225071-A1 (CA)
Inventor: MARCHETTI MICHAEL J
IPC: D06F75/14
Filed: 1997-12-17
Abstract: A steam iron having a water tank with an internal air trap and external gear mounts.   The air trap holds a volume of air when the iron is being filled with water, but receives water when the iron is moved to a horizontal position to prevent water from spilling out of a water fill spout.  The iron has gears that connect a temperature control of the iron to a water metering valve.   The gears are stabily rotatably mounted directed to the water tank on the gear mounts.
Patent CA-2225174-A1 (CA)
Title: Rat cathepsin k polynucleotide & polypeptide sequence
Inventor: FEILD JOHN A
IPC: A61K48/00
Filed: 1997-12-18
Abstract: rat cathepsin k polypeptides and polynucleotides and methods for producing such polypeptides by recombinant techniques are disclosed. Also disclosed are methods for utilizing rat cathepsin k polypeptides and polynucleotides in the design of protocols for the treatment of osteoporosis, periodonatal disease, arthritis, cancer, tumor metastasis, and Paget's disease, among others, and diagnostic assays for such conditions.
Patent CA-2225942-A1 (CA)
Title: Plasma pilot arc control
Inventor: SCHNEIDER JOSEPH
IPC: H05H1/36
Filed: 1997-12-29
Abstract: A method and apparatus for controlling and maintaining a continuous flow of pilot arc current in a plasma cutting torch includes a pilot circuit, a current sensing circuit, and a control circuit.  The control circuit maintains a continuous flow of pilot current through the pilot circuit both before and after a cutting arc has been generated.  The control circuit further controls the magnitude of the pilot current in response to the sensing circuit indicating the absence or presence of the cutting arc.
Patent CA-2226503-A1 (CA)
Title: Apparatus for demodulating and decoding video signals
Inventor: STEWART JOHN SIDNEY
IPC: H04N21/43
Filed: 1996-06-28
Abstract: An adaptive receiver includes an adaptive demodulator (10) and an adaptive decoder (12) for providing demodulated and decoded output data from a video signal encoded for satellite, terrestrial or cable transmission. The demodulator recovers demodulated output data by using an adaptive timing recovery network (25) and an adaptive carrier recovery network (25) that incorporates a selectable slicer network (30, 35, 40). In addition, an Automatic Gain Control network (25) within the demodulator provides a gain control output as a function of a difference between signals produced both prior to and following the slicer.  The demodulator may also incorporate a signal quality detector that uses carrier recovery network signals to provide an estimate of the error in the demodulated output data. The decoder produces a Viterbi decoded output from the demodulated output data by using a selectable code rate Viterbi decoder.
Patent CA-2227357-A1 (CA)
Title: Process for preparing succinic anhydride
Inventor: DARSOW GERHARD
IPC: C07C55/10
Filed: 1998-01-19
Abstract: Maleic anhydride can be hydrogenated to succinic anhydride with particularly high conversion rates by a catalytic liquid-phase hydrogenation with hydrogen, by carrying out the hydrogenation continuously at a pressure of 10 to 400 bar and a reactiontemperature of 60 to 180°C on oxygen-free and support-free shaped bodies, which are arranged in the fixed bed, of compressed powders of the elements of the iron sub-group of group VIII of the Periodic Table, mixed or alloyed with elements oftransition group IV and/or V; in addition, hydrogenation-inert elements can be present. The shaped bodies have a compressive strength of 20 to 220 N and an internal surface area of 10 to 100 m2/g.
Patent CA-2229399-A1 (CA)
Inventor: RAJARAMAN BALA
IPC: H04L29/08
Filed: 1998-02-13
Abstract: Management of the processing of relatively large data objects in a communications stack having multiple layers  improves the performance in a communications system in preparing relatively large  data  objects  for  transmission  across  a  communications network.   This reduces or eliminates data movement and copying during segmentation of the relatively large data objects  into relatively small data objects, and appendage of headers to the relatively small data object segments during processing in the communications  stack.    A  shared  storage  manager  creates  and controls multiple tokens representing multiple images of portions of the relatively large data objects to enable separate scheduling of the multiple images from the same storage unit or buffer to be passed from one layer in a communications stack to the next lower layer in the communications stack.   The large data object is segmented into a plurality of relatively small data object segments at one or more of the layers in the communications stack.  When dictated by the communications stack, header segments are also created for each relatively small data object segment.  Each header segment contains specific information for the relatively small data object segment to which the header corresponds.  A separate buffer list is generated by the communications stack for each relatively small  data  object  segment  and  for  each  corresponding  header segment.
Patent CA-2230823-A1 (CA)
Title: Dszd utilization in desulfurization of dbt by rhodococcus sp. igts8
Inventor: GRAY KEVIN A
IPC: C12N15/52
Filed: 1995-12-05
Abstract: The invention relates to the discovery that the rate of reaction of the desulfurization of fossil fuels is enhanced by the addition of an oxidoreductase to the biocatalyst. The invention is drawn to a method for enhancing the rate of desulfurizing a fossil fuel containing organic sulfur compounds, comprising the steps of: a) contacting the fossil fuel with an aqueous phase containing a biocatalyst capable of cleaving carbon-sulfur bonds and a rate-enhancing amount of an oxidoreductase, thereby forming a fossil fuel and aqueous phase mixture; b) maintaining the mixture of step (a) under conditions sufficient for cleavage of the carbon-sulfur bonds of the organic sulfur molecules by the biocatalyst, thereby resulting in a fossil fuel having a reduced organic sulfur content; and c) separating the fossil fuel having a reduced organic sulfur content from the resulting aqueous phase. The invention also relates to a recombinant microorganism containing one or more recombinant DNA molecules which encode a biocatalyst capable of desulfurizing a fossil fuel containing organic sulfur molecules and which encode an oxidoreductase. The invention also relates to a composition comprising (a) a biocatalyst capable of desulfurizing a fossil fuel containing organic sulfur molecules and (b) an oxidoreductase.
Patent CA-2231291-A1 (CA)
Inventor: COUTURIER ALBAN
IPC: H04Q3/00
Filed: 1998-04-08
Abstract: The invention concerns a method for communicating between a service switching exchange of a telecommunication network to which service calls requesting the execution of a service for a subscriber of the telecommunication network are rouled, and a service control facility which controls the execution of the requested service. The service switching exchange interacts with one or several objects of the service control facility via an transaction capability application part protocol. The or each object interacts and communicate via an object infrastructure with other objects in a object oriented computing environment within the service control facility. The interface of the or each object maps the primitives of the transaction capability application part protocol onto the internal interface description of the or each object.
Patent CA-2234367-A1 (CA)
Title: Compositions containing hydroperoxyeicosatetraenoic acid derivatives and methods of use in treating dry eye disorders
Inventor: GAMACHE DANIEL A
IPC: A61P27/00
Filed: 1996-08-19
Abstract: Compositions containing an HETE derivative and methods of use for treating dry eye are disclosed.
Patent CA-2235938-A1 (CA)
Title: Apparatus for preparing a pumpable oil sand and water slurry
Inventor: RAYMOND BRIAN WILBERT
IPC: B02C17/02
Filed: 1998-04-27
Abstract: An apparatus for preparing a pumpable oil sand and water slurry comprises a rotatable vessel having a perforated tubular wall in which vessel the slurry is crushed and mixed and slurry comprising lumps smaller than a predetermined size falls through the perforated wall into e.g. a slurry pump box, whereas oversized lumps are transported via an open end of the tubular towards an oversize reject facility.
Patent CA-2236788-A1 (CA)
Inventor: LEVINE AARON W
IPC: B01J19/00
Filed: 1995-11-09
Abstract: La présente invention concerne un procédé de liaison entre un substrat en verre (740) et un substrat non conducteur (750), ce procédé comprenant les opérations suivantes: (a) Mettre en contact une surface du substrat non conducteur (750), qui est couvert d'une matière de liaison (760) assistée par un champ électrique, et une surface correspondante du substrat en verre (740); (b) appliquer une chaleur suffisante aux deux substrats et une tension suffisante à travers eux pour les lier l'un à l'autre.
Patent CA-2238102-A1 (CA)
Title: Piege pour insectes
Inventor: HOWSE PHILIP EDWIN
IPC: A01M1/14
Filed: 1996-11-22
Abstract: Piège pour insecte comprenant un dispositif de retenue (9) et au moins un élément (3) constitué de surfaces pratiquement lisses disposées au-dessus du dispositif de retenue et où un insecte se déplaçant depuis la surface lisse tombe dans le dispositif de retenue (9). Les éléments à surface lisse peuvent comporter des tiges ou sphères qui peuvent être éventuellement revêtues d'une poudre à charge électrostatique.
Patent CA-2239993-A1 (CA)
Inventor: GARKAVSTEV IGOR
IPC: C12N15/12
Filed: 1996-12-06
Abstract: L'invention se rapporte à des gènes suppresseurs tumoraux, à des procédés de fabrication et d'utilisation de ceux-ci et aux gènes, protéines et peptides suppresseurs tumoraux apparentés, ainsi qu'aux acides nucléiques les codant et aux protéines et peptides suppresseurs tumoraux apparentés.
Patent CA-2242288-A1 (CA)
Inventor: HUGHES STEPHEN J
IPC: E05D15/06
Filed: 1997-01-02
Abstract: A rigid corner connector (1) for a door (2) having a frame with stiles (6) and rails (8) seating a panel (2) therein, includes a bracket (14) having a generally planar body portion (24) with perpendicular sidewalls (26) defining a channel and having inwardly extending lips (28) along an intermediate portion. An end wall (30) extends between the sidewalls at one end thereof, and an end flange (32) at the other end extending in the opposite direction and having tabs (34) engaging the rail (8) thereon. The sidewalls (26) also have outwardly extending side flanges (42, 44) adjacent their ends, and the side flange (42) adjacent the end flange (32) has a tab (66) engagable in the end of the stile. The other side flange (44) has a tab (50) engagable in a slot (10) in the wall of the stile (6). A roller mounting member (16) is slidably seated in the bracket for sliding movement on the bracket and it transfers loads to the end wall (30). A roller (18) is rotatably mounted on the mounting member, and a detent tab (98) seated in a channel in the roller mounting member limits the movement of the mounting member on the bracket.
Patent CA-2247522-A1 (CA)
Title: Iscom or iscom-matrix comprising a mucus targetting substance and optionally, an antigen
Inventor: MOREIN BROR
IPC: A61K39/39
Filed: 1997-02-20
Abstract: The invention relates to immunogenic complex comprising iscom and/or iscommatrix and mucus targetting molecules for use for preparing vaccines and immune stimulating compositions for oral, nasal, urogenital and/or rectal administration. The immunogenic complex may comprise at least one glycoside and at least one lipid and a) at least one mucus targetting molecule chosen among substances that target lymphatic tissue and induce immune response when administrated locally on mucous membranes; and b) possibly also one passenger antigen chosen among pharmacologically immune active or immune substances that do not easily reach lymphatic tissue through mucous membranes.
Patent CA-2250913-A1 (CA)
Title: A hall effect plasma accelerator
Inventor: PETROSOV V A
IPC: F03H1/00
Filed: 1997-03-31
Abstract: A Hall effect plasma accelerator comprises an annular accelerating channel (1) having closed and open ends. A source of magnetic field (11), in a hollow annular magnetic body (6), is positioned behind the closed end of the channel and has an axis extending in the same direction as the axis of the channel. This makes it possible to provide a Hall effect accelerator with an optimum distribution of magnetic field inside the acceleration channel by means of a simpler and less heavy arrangement using a single source of magnetic field, such as a single coil or permanent magnet.      In addition it makes possible a reduction in heating of the source of magnetic field.
Patent CA-2251517-A1 (CA)
Inventor: MANSOUR RAAFAT
IPC: H01P1/12
Filed: 1998-11-13
Abstract: An HTS microwave circuit has two layers formed with metallic film on a substrate. One layer has a first circuit and another layer has a second circuit, the two circuits being coupled to one another. The second circuit has elements that are incompatible with HTS material such as MEMS technology and flip-chip technology. A microwave switch has a first layer that can carry an RF signal and a second layer that has switch elements that are controlled by a DC signal. The RF signal and DC signal are isolated from one another. The switch elements include various technologies including a narrow HTS strip. A single layer HTS microwave switch can also be utilized where the switch element is a narrow HTS line. A method of combing HTS technology with incompatible technologies into one device is provided.
Patent CA-2252167-A1 (CA)
Title: System of elements for the formation of modular pipelines consisting of extruded pipe sections
Inventor: GUZZONI PAOLO
IPC: F16L21/08
Filed: 1998-11-25
Abstract: A system of elements for the formation of pipelines in units for channeling and distributing a gaseous or liquid fluid that is under pressure or under vacuum. The pipelines are created starting from an extruded section pipe with a four-sided cross. section having at least one central longitudinal hole and gripping elements along the corners of its walls. A joint which can be inserted tightly into the hole of consecutive section pipes makes possible their connection with the transmission of fluid. A fixing clamp is mounted on the adjacent ends of the consecutive pipes and engages with the gripping elements to mechanically lock the pipes among one another.
Patent CA-2252357-A1 (CA)
Title: Method and apparatus for reducing cross talk in broadband systems using line coding
Inventor: DYKE PETER JOHN
IPC: H04L5/02
Filed: 1998-11-04
Abstract: To accommodate the overlay of broadband information over narrowband signals while reducing cross-talk in upstream and downstream directions, different baseband line codes are used to modulate respective upstream and downstream transmissions on a common wireline communication resource, such as a twisted copper-pair. In this way, filtering components located at each end of a connection can reject cross-talk based upon dissimilar signal characteristics that arise between wanted broadband signals having a first baseband line code and spectrally-shifted cross-talk emanating from interfering broadband signals having a different baseband line code.
Patent CA-2254153-A1 (CA)
Title: Method of improving the surface quality of a continuously cast slab
Inventor: SCHUSTER INGO
IPC: B21B45/04
Filed: 1998-11-17
Abstract: A method of improving the surface quality of a continuously cast slab, particularly a thin slab having a maximum cast thickness of 100 mm, wherein the slab is covered with a casting slag film and a layer of scale, and wherein the slab is descaled after casting and is rolled in a finishing train. A reaction agent, which is different from water, is applied onto the slab prior to descaling or during descaling. The application of the reaction agent may be preceded by a conventional hydraulic, mechanical or pneumatic removal of the layer of scale which covers the slab.
Patent CA-2254653-A1 (CA)
Title: Transmission rate judgment method and apparatus
Inventor: NAKANO TAKAYUKI
IPC: H04L1/08
Filed: 1998-11-26
Abstract: Symbol repetition number counting section 108 counts the number of received symbol repetitions and decoding order determination section 109 determines the decoding order for anticipated rates in the high-to-low order of likelihood of each rate being the transmission rate of the received symbol based on the counted symbol repetition number.