baber/WOPTO huggingface dataset:
Patent CA-2464171-A1 (CA)
Title: Method and system for acoustic shock protection
Inventor: SCHNEIDER TODD
IPC: H04M1/60
Filed: 2004-03-31
Abstract: An acoustic shock protection method and device are provided. A pattern analysis-based approach is taken to an input signal to perform feature extraction. A parameter space is identified, which is corresponding to the signal space of the input signal. A rule-based decision approach is taken to the parameter space to detect an acoustic shock event. The device may be advantageously implemented using a weighted overlap-add approach to provide low group delay, high-fidelity and a high degree of protection from acoustic shock events.
Patent CA-2464967-A1 (CA)
Title: Combustion and exhaust heads for fluid turbine engines
Inventor: PATTERSON DAVID G
IPC: F02B53/00
Filed: 2004-04-21
Abstract: An internal combustion rotary engine comprising a housing encased rotor having cam actuated inwardly and outwardly extending vanes, a combustion chamber communicating with a fluid inlet port to the vanes within the housing and an exhaust chamber communicating with the fluid outlet port from the vanes of the housing, air and fuel injection means associated with the combustion chamber for delivery of an air and fuel mixture to the combustion chamber and igniter means associated with the combustion chamber for igniting air and fuel mixture within that chamber. Means are provided to properly control the sequence of air and fuel injection, fuel ignition and exhaust valve opening and closing during operation of the engine. The rotary engine according to the present invention is simpler and more economical than conventional rotary engines.
Patent CA-2466670-A1 (CA)
Inventor: HU SONG
IPC: C07K14/47
Filed: 2002-07-10
Abstract: The present invention provides amino acid sequences of peptides that are encoded by genes within the human genome, the secreted peptides of the present invention. The present invention specifically provides isolated peptide and nucleic acid molecules, methods of identifying orthologs and parologs of the secreted peptides, and methods of identifying modulators of the secreted peptides.
Patent CA-2468748-A1 (CA)
Inventor: BELL ROBERT G
IPC: A61K31/138
Filed: 2002-12-04
Abstract: This invention relates to a method of preventing pregnancy and treating PMS including PMDD. More particularly, the invention relates to a method, which involves administering one of several combination oral contraceptive regimen s in combination with an antidepressant and a kit containing the same.
Patent CA-2471559-A1 (CA)
Title: Improved method of hydraulic fracturing to reduce unwanted water production
Inventor: STEPHENSON CHRISTOPHER JOHN
IPC: E21B43/267
Filed: 2004-06-18
Abstract: A method of hydraulically fracturing a hydrocarbon-bearing subterranean formation ensures that the conductivity of water inflow below the productive zone of the subterranean formation is reduced. The method consists of two principal steps. In the first step, a fracture in and below the productive zone of the formation is initiated by introducing into the subterranean formation a fluid, free of a proppant, such as salt water, fresh water, brine, liquid hydrocarbon, and/or nitrogen or other gases. The proppant-free fluid may further be weighted. In the second step, a proppant laden slurry is introduced into the subterranean formation which contains a relatively lightweight density proppant. Either the fluid density of the proppant-free fluid is greater than the fluid density of the proppant laden slurry or the viscosity of the proppant-free fluid is greater than the viscosity of the proppant laden slurry. The method limits undesirable fracture height growth in the hydrocarbon-bearing subterranean formation during the fracturing.
Patent CA-2472355-A1 (CA)
Title: Ink jet printing process
Inventor: LUCA DAVID J
IPC: C09D11/02
Filed: 1999-08-05
Abstract: A process which comprises: a) incorporating into an ink jet printing apparatus: a color forming composition comprising a liquid vehicle and at least one color forming agent, and a reacting composition comprising a liquid vehicle and at least one material capable of reacting with the color forming agent to cause a desired color to form; b) causing droplets of the color forming composition to be ejected in an imagewise pattern onto the substrate; and c) causing droplets of the reacting composition to be ejected in an imagewise pattern onto the substrate; wherein the process results in at least some portions of the substrate bearing images comprising both the color forming composition and the reacting composition, said portions forming a printed image, wherein one of i) the color forming composition and ii) the reacting composition is applied to the substrate in fixed volumes per pixel, and the other of i) and ii) is applied to the substrate in varying volume per pixel, thereby varying the intensity of color of the printed image.
Patent CA-2472482-A1 (CA)
Inventor: STREETER RICHARD B
IPC: A61F2/02
Filed: 2003-01-14
Abstract: L'invention concerne une méthode et un dispositif permettant de réduire la régurgitation mitrale. Un corps allongé est positionné dans un sinus coronaire d'un patient au voisinage d'un feuillet postérieur valvulaire du coeur. Ce corps est conçu pour redresser une courbure naturelle d'une partie au moins du sinus coronaire au voisinage de la valvule postérieure de façon à déplacer un anneau postérieur vers l'avant, lequel déplace à son tour la valvule postérieure vers l'avant, d'où une amélioration de la coaptation de la valvule.
Patent CA-2473789-A1 (CA)
Title: Urea or carbamate derivatives of crown ethers and silicon useful for the preparation of supports for chromatographic separation of metal cations and organic molecules comprising an amino function
Inventor: DUVAL RAPHAEL
IPC: C07F7/18
Filed: 2003-01-20
Abstract: The invention relates to ureido or carbamate derivatives of crown ethers and of silicon of formula: These derivatives can be grafted to silica gel for the purpose of obtaining supports for the chromatographic separation of cations or of molecules comprising amine functional groups, such as amino acids.
Patent CA-2473897-A1 (CA)
Inventor: ABE KIYOFUMI
IPC: H04N7/26
Filed: 2003-08-28
Abstract: The picture coding apparatus (300) includes a motion vector estimation unit (302) that select one of methods for deriving a motion vector of a block to be motion-compensated, depending on a motion vector of a block located in a corner of a decoded macroblock among a group of blocks that compose the decoded macroblock corresponding to the current macroblock to be coded and determines the motion vector derived by the selected method for derivation to be a candidate of the motion vector of the current macroblock to be coded and a motion compensation unit (303) that generates a predictive image of the block to be motion--compensated based on the estimated motion vector.
Patent CA-2476204-A1 (CA)
Title: Ensemble compact de rectification servant a separer des fluides melanges et procede de rectification servant a separer ces fluides
Inventor: SAIFUTDINOV ALBERT FARITOVICH
IPC: B01D1/04
Filed: 2002-03-20
Abstract: L'invention concerne un ensemble compact de rectification servant à séparer des fluides mélangés et mettant en application afin d'effectuer un transfert thermique, un véhicule thermique fluide et ses vapeurs sur un des côtés de parois d'échange thermique et massique. Dans le but d'augmenter l'efficacité du procédé d'échange thermique et massique, les tubes d'échange thermique et massique de la partie rectification et/ou de la partie évaporation possèdent des moyens servant à effectuer un transfert thermique en quantités irrégulières (variables) entre l'intérieur et l'extérieur de la paroi du tube le long de la hauteur desdits tubes d'échange thermique et massique. Ceci permet de diminuer la hauteur de la colonne de rectification de 3 à 10 fois.
Patent CA-2476855-A1 (CA)
Inventor: GLEIJM GERARDUS
IPC: C23C14/24
Filed: 2003-02-21
Abstract: L'invention concerne un procédé destiné à revêtir un substrat d'une couche de matériau, notamment du métal, dans laquelle une quantité de matériau électriquement conducteur est vaporisée dans un espace à faible niveau de pression et d'énergie et, ajoutée au matériau à vaporiser en vue de vaporiser ce matériau. Selon l'invention, le matériau à vaporiser, est maintenu flottant durant la vaporisation, sans support, dans l'espace et est enfermé dans un champ électromagnétique alternatif, ce champ électromagnétique étant généré à l'aide d'un courant alternatif haute fréquence. L'invention concerne également un dispositif destiné à revêtir un substrat et un substrat.
Patent CA-2477410-A1 (CA)
Title: Container with at least one vacuum chamber with an access opening, especially a beverage container, such as a beer barrel or the like
Inventor: KELLER MAX
IPC: F25D31/00
Filed: 2004-08-12
Abstract: Container with at least one vacuum chamber with an access opening, especially a beverage container with a self-cooling device having a vacuum chamber, such as a beer barrel or the like, the access opening of which is closed off by a closing mechanism after the vacuum is produced, a chamber being provided, which is downstream from the access opening and in which a valve element is disposed, which is opened during the generation of the vacuum and closed after the vacuum is generated, which chamber is filled with a medium containing an element or compound capable of diffusing, which diffuses if the chamber and, with that, the vacuum chamber is not closed off tightly, through the access opening.
Patent CA-2479093-A1 (CA)
Title: Authentication in a secure computerized gaming system
Inventor: JACKSON MARK D
IPC: A63F9/24
Filed: 2003-04-09
Abstract: The present invention provides an architecture (100) and method for a gaming specific platform that features secure storage and verification of game code and other data, provides the ability to securely exchange data with a computerized wagering gaming system, and does so in a manner that is straightforward and easy to manage. The invention provides the ability to identify game program code as certified or approved, such as by the Nevada Gaming Regulations Commission or other regulatory agency. The invention provides these and other functions by encrypting a random number, storing th e encrypted random number, and hashing the random number and a casino game dat a set to provide a first bit string, and storing the first bit string.
Patent CA-2480063-A1 (CA)
Title: Cleaning method
Inventor: CORRADINI FABIO
IPC: C11D3/12
Filed: 2003-02-07
Abstract: This invention relates to a method of softening water and/or in which the deposition of hard water scale is inhibited. The invention relates in particular to such a method carried out in a domestic environment, in particular in ware-washing machines. In particular the method relates to the softening of water after the main wash of a ware-washing machine, in particular in the rinse cycle of a ware-washing machine. The invention also relates to water-softening compositions for such methods.
Patent CA-2480359-A1 (CA)
Title: Process for manufacturing purified phosphorodiamidite
Inventor: SONG QUANLAI
IPC: C07H19/10
Filed: 2003-04-11
Abstract: A scalable process for purification of phosphorodiamidite includes steps of solubilizing a crude phosphorodiamidite in an apolar organic solvent, contacting the non-polar organic solvent with a polar phase comprising a polar organic solvent to remove impurities from the solubilized phosphorodiamidite, and removing the non-polar organic solvent from the phosphorodiamidite.
Patent CA-2484044-A1 (CA)
Title: Imidazoquinolineamines as adjuvants in hiv dna vaccination
Inventor: ERTL PETER
IPC: C07K14/16
Filed: 2003-03-19
Abstract: The relates to certain adjuvant compositions, and to vaccine and/or nucleic acid immunization strategies employing such compositions. The invention in particular relates to DNA vaccines that are useful in the prophylaxis and treatment of HIV infections, more particularly when administered by particle mediated delivery.
Patent CA-2487242-A1 (CA)
Title: Procede de detection d'une fuite de gaz dans une cellule a combustible pem
Inventor: GELLERT HARRY
IPC: H01M8/04
Filed: 2003-04-24
Abstract: L'invention concerne un procédé permettant de détecter une fuite de gaz entre l'espace gaz anode et l'espace gaz cathode d'une cellule à combustible PEM (2). Ce procédé consiste : a) à charger la cellule à combustible (2) d'un courant continu ; b) à mesurer le déroulement temporel de la tension électrique au niveau de la cellule à combustible (2). Cela permet de réaliser un test de fuite, pour un faible coût de matériel, dans une pile de cellules à combustible (1). Ce test réagit de manière très sensible même en cas de microfuites tout en pouvant être utilisé pour des fuites importantes et indique la position exacte de cellules à combustible (2) défectueuses d'une pile de cellules à combustible (1).
Patent CA-2490354-A1 (CA)
Title: Systeme de transport et de distribution de medicament
Inventor: GHANEM GHANEM ELIAS
IPC: A61K47/48
Filed: 2003-06-23
Abstract: La présente invention concerne des tripeptides ou des tétrapeptides comprenant un groupe d'acide aminé clivable par enzyme protéolytique qui sert de système de transport par cellules sanguines et de distribution de médicament, de site à activité pharmacologique ou de liaison de groupe à activité pharmacologique, ainsi que les médicaments couplés à ce système de transport et de distribution. Un tel système de transport et de distribution est particulièrement adapté au traitement de maladies menant à une plus grande activité d'enzymes protéolytiques, telles que le cancer ou l'arthrite, ou de maladies liées aux cellules sanguines.
Patent CA-2492674-A1 (CA)
Inventor: LEVI ACOBAS ROBERTO
IPC: B32B27/36
Filed: 2005-01-14
Abstract: The self-levelling under-packing for printing presses, in particular offset presses, comprises at least one polyester-based layer and at least one polyurethane elastomer layer joined inseparably together.
Patent CA-2493598-A1 (CA)
Title: Use of erythropoietin_to treat renal failure
Inventor: HALLER HERMANN
IPC: A61K38/19
Filed: 2003-07-25
Abstract: The invention relates to the use of erythropoietin for stimulation of the physiological mobilisation, proliferation and differentiation of endothelial precursor cells, for stimulation of vasculogenesis, for the treatment of diseases related to a dysfunction of endothelial precursor cells and for the production of pharmaceutical compositions for the treatment of such diseases and pharmaceutical compositions comprising erythropoietin and other agents suitable for stimulation of endothelial precursor cells.
Patent CA-2496628-A1 (CA)
Inventor: KOBAYASHI TOSHIKAZU
IPC: C08L23/08
Filed: 2003-08-28
Abstract: L'invention concerne des compositions polyester comprenant un copolymère d'éthylène, un ester d'acrylate, et du monoxyde de carbone et, éventuellement, une charge fibreuse de diamètre relativement faible. De telles compositions sont particulièrement appropriées pour des pièces dont l'aspect de surface est important, par exemple, des panneaux d'appareils et des panneaux de carrosserie.
Patent CA-2497066-A1 (CA)
Title: Process for the preparation of 13-cis-retinoic acid
Inventor: ASPARI PATRIZIO
IPC: C07C403/20
Filed: 2005-02-16
Abstract: A process for the preparation of 13-cis-retinoic acid (I)   from 3-methyl-5-(2,6,6-trimethyl-1-cyclohexan-1-yl)-2,4-pentadienyl)-triphenylphosphonium chloride (IIa)   and 5-hydroxy-4-methyl-2(5H)-furanone (III)   is herein disclosed. Compounds (IIa) and (III) are reacted in ethanol as the solvent and KOH as the base at a temperature ranging from -5 to 0°C  to give a mixture of retinoic acids which is isomerised to (I) by treatment with a palladium complex.
Patent CA-2504205-A1 (CA)
Title: Angiotensin-converting enzyme containing medecine
Inventor: KONDOH GEN
IPC: C12N15/57
Filed: 2003-10-29
Abstract: A drug for preventing or treating prion diseases, bacterial infection, infertility and so on which contains an angiotensin covertase specifically cleaving a GPI anchor of cell membrane or a peptidase-inactivated mutant enzyme thereof and has a function mechanism of releasing a GPI anchor type protein from cell membrane.
Patent CA-2507221-A1 (CA)
Title: Procedure for the identification and monitoring of animals through the use of electronic identification devices (transponders)
Inventor: GARIN DE NARDO DANIEL
IPC: A61D7/00
Filed: 2003-11-17
Abstract: Procedure for the identification and monitoring of animals through the use of electronic identification devices (transponders). It comprises the steps of inserting the transponder inside the peritoneal cavity of the animal;  identifying and collecting information on the animal by means of sensors; and, once the animal has been slaughtered, recovering the transponder through automated processes in the slaughtering lines of the slaughterhouses. The insertion of the transponder is achieved by means of an applicator that comprises a main hollow tubular body with an open end; a charge carrier adjusted for longitudinal displacement inside the hollow tubular body; a charge transfer array permanently coupled to one end of the charge carrier and consisting of a hollow needle which has in its interior a capsule that stores a transponder; and a rod adjusted for displacement inside the charge carrier and the needle in order to push the capsule towards the exterior of the applicator. The transponder is inserted into a capsule equipped with a sheath or protective covering of shockproof, biocompatible plastic material, which also comprises a ferrous mass capable of being detected and displaced by the forces of an external magnetic field.
Patent CA-2508602-A1 (CA)
Title: Optical code reader having variable depth of field
Inventor: BREYTMAN ALEX
IPC: G06V30/224
Filed: 2003-12-17
Abstract: Several optical systems for imaging engines of imaging optical code readers are disclosed. Each optical system includes the abilities to change the depth of field of the imaging field and to adjust a focus quality of the imaging field. The disclosed structures for changing the depth of field of the disclosed optical systems allow for the automatic or manual selection of one of a plurality of depths of field.
Patent CA-2512777-A1 (CA)
Title: Method of operating a dishwasher pump and filtration system
Inventor: WELCH RODNEY M
IPC: A47L15/42
Filed: 2005-07-21
Abstract: A dishwasher includes a pump assembly having a multi-stage filtering arrangement which functions to trap soil particles contained in a washing fluid to reduce the number of fresh water fills required to perform a washing operation. All of the washing fluid is initially directed over a filter plate. A first portion of the washing fluid passes the filter plate into a pumping chamber, while a second, soil laden portion, enters a first filter chamber. The second portion is then directed through a medium filter into the intake chamber. The filtered washing fluid is pumped through a conduit to wash arms that spray the washing fluid onto kitchenware. The conduit includes a sampling port which directs a portion of the washing fluid to a second filtering compartment having a fine mesh screen. At the end of the washing operation, the washing water, along with the soil is expelled from the dishwasher.
Patent CA-2513432-A1 (CA)
Title: Methods for treating joint pain or improving sleep using an estrogen agonist/antagonist
Inventor: PETRIE CHARLES DAVID
IPC: A61P5/32
Filed: 2004-01-09
Abstract: The present invention provides methods, pharmaceutical compositions and kits for treating joint pain and/or improving sleep using a SERM of formula (I):  wherein the variables A, B, D, E, e, G, Y and Z 1 are as defined in the specification.
Patent CA-2516441-A1 (CA)
Inventor: LAROIA RAJIV
IPC: H04B7/005
Filed: 2004-02-20
Abstract: Pilot signal transmission sequences and methods are described for use in a multi-sector cell. Pilots in different sectors are transmitted at different known power levels. In adjacent sectors a pilot is transmitted while no pilot is transmitted in the adjoining sector. This represents transmission of a NULL  pilot signal. A cell NULL is also supported in which NULL pilots are transmitted in each sector of a cell at the same time. Multiple pilot signal measurements are made. At least two channel quality indicator values are generated from measurements corresponding to at least two pilot signals of different power levels. The two values are transmitted back to the base station which uses both values to determine the transmit power required to achieve a desired SNR at the wireless terminal. The wireless terminal also reports information indicating its location to a sector boundary.
Patent CA-2516828-A1 (CA)
Title: Systeme et procede destines a la selection d'un point d'acces dans un reseau sans fil
Inventor: BRIDGE LAURA
IPC: H04W84/18
Filed: 2004-02-18
Abstract: L'invention concerne un mécanisme permettant d'effectuer une sélection de canal automatique au niveau des points d'accès d'un réseau et ainsi d'améliorer les performances et la facilité de gestion d'environnements de communication sans fil. Un réseau sans fil peut ainsi comprendre plusieurs points d'accès pouvant chacun sélectionner automatiquement un canal pour optimiser l'utilisation de chaque canal. Ces points d'accès peuvent également effectuer un réglage de puissance automatique pour que plusieurs points d'accès puissent fonctionner sur le même canal tout en réduisant les interférences entre les canaux. Les stations sans fil sont équilibrées en charge au niveau des points d'accès pour que la bande passante soit optimale. Un schéma de détection de mouvement permet aux stations de se déplacer entre des points d'accès sans qu'il y ait de coupures.
Patent CA-2517018-A1 (CA)
Inventor: TAZARTES DANIEL A
IPC: G01C19/56
Filed: 2003-11-12
Abstract: Selon l'invention, un modèle force-effet des effets de l'accélération sur la sortie d'une triade gyroscopique est déterminé. Des séquences de rotation sont ensuite dérivées pour permettre l'excitation et l'observation de paramètres de modèle force-effet en vue d'obtenir des informations d'étalonnage pour ces paramètres. Un diagramme d'état contenant les paramètres de modèle force-effet de triade gyroscopique est dérivé du modèle force-effet, le déplacement d'une position dans le diagramme d'état à une autre position indiquant l'erreur de triade gyroscopique qui se produirait lors de la rotation de la triade gyroscopique selon un mouvement correspondant. La recherche de tous les trajets de boucle fermée possibles pouvant être obtenus à travers le diagramme d'état, au moyen d'un tableau de vitesse à axes multiples avec un nombre spécifié de rotations, permet de séparer l'étalonnage d'erreur de triade gyroscopique de l'étalonnage d'accéléromètre. Les trajets de boucle fermée présentant des longueurs minimales et une sensibilité aux erreurs plus importante sont choisis en vue de la réalisation d'un étalonnage de paramètres d'erreurs et de la réduction de la sensibilité gyroscopique dépendante de la force.
Patent CA-2517210-A1 (CA)
Inventor: RAVINDRANATH VINODH
IPC: G06Q20/40
Filed: 2004-03-04
Abstract: A method is disclosed for authorizing a prepaid network service in a data network. A network end station issues a request for a prepaid network service.  At a network node, a determination is made about whether a user associated with the end station is authorized to access the prepaid network service.  Network traffic from the end station is forwarded to a service provider only when the user is authorized to use the prepaid network service. Specific embodiments provide message flows among a mobile station (102), gateway support node (106), router (110), and authentication server (130) that support providing prepaid services in a packet-switched network for mobile communication. In certain embodiments, a connection is held open for an end station while a prepaid quota value is refreshed at a portal, thereby reducing overhead and precluding the need to repeat user logon steps.