baber/WOPTO huggingface dataset:
Patent CA-2197128-A1 (CA)
Title: Enhanced Joint Stereo Coding Method Using Temporal Envelope Shaping
Inventor: HERRE JUERGEN HEINRICH
IPC: G10L19/02
Filed: 1997-02-10
Abstract: A method and apparatus for performing joint stereo coding of multi-channel audiosignals using intensity stereo coding techniques. In particular, predictive filtering techniques are applied to the spectral coefficient data, thereby preserving the time structure of the output signal of each channel, while maintaining the benefit of the high bit rate savings offered by intensity stereo coding. In one illustrative embodiment of the invention, the input signal is decomposed into spectral coefficients by a high-resolution filterbank/transform; the time-dependent masking threshold of the signal is estimated using a perceptual model; a filter performing linear prediction in frequency is applied at the filterbank outputs for each channel; intensity stereo coding techniques are applied for coding both residual signals into one carrier signal; the spectral values of the carrier signal are quantized and coded according to the precision corresponding to the masking threshold estimate; and all relevant information (ie., the coded spectral values, intensity scaling data and prediction filter data for each channel, as well as the additional side information) is packed into a bitstream and transmitted to the decoder.
Patent CA-2199932-A1 (CA)
Inventor: DENT PAUL W
IPC: H03M13/23
Filed: 1995-09-01
Abstract: Procédé de démodulation ou de décodage d'un signal de données à modulation numérique, selon lequel les paramètres de CAG sont retenus et mis à jour ou rejetés parallèlement à la sélection des schémas de données les plus susceptibles d'avoir été transmis. Dans un premier temps, on effectue une conversion analogique/numérique des signaux reçus afin d'obtenir des échantillons de signaux numériques, puis on compare les échantillons de signaux numériques avec des valeurs d'échantillon prévues pour chaque séquence parmi un certain nombre de séquences de symboles possibles, à l'aide d'un facteur d'échelle associé à chacune des séquences de symboles, afin de déterminer une valeur de désadaptation pour chaque séquence. Dès lors, les valeurs de désadaptation ont une cohérence interne logique. Ensuite, on sélectionne la valeur de désadaptation cumulée la plus faible parmi toutes les séquences précitées pouvant précéder logiquement une nouvelle séquence à ajouter à la valeur de désadaptation provenant de la nouvelle séquence, la désadaptation sélectionnée identifiant une séquence prédécesseur optimale. Enfin, on choisit le facteur d'échelle associé au prédécesseur optimal, et on met à jour le facteur d'échelle afin d'obtenir le facteur d'échelle à associer à la nouvelle séquence.
Patent CA-2200342-A1 (CA)
Title: Overexpression of mammalian and viral proteins
Inventor: SEED BRIAN
IPC: C07K14/16
Filed: 1995-09-08
Abstract: Provided are synthetic genes encoding a protein normally expressed in mammalian cells wherein at least 10% of the non-preferred or less preferred codons in the natural gene encoding said mammalian protein have been replaced by a preferred codon encoding the same amino acid. Methods for preparing such synthetic genes, comprising identifying non-preferred and less preferred codons in the natural gene encoding said protein and replacing at least 10% of said non-preferred and less preferred codons with a preferred codon encoding the same amino acid as the replaced codon are also provided. Preferred codons may be gcc, cgc, aac, gac, tgc, cag, ggc, cac, atc, ctg, aag, ccc, ttc, agc, acc, tac, and gtg, less preferred codons may be ggg, att, ctc, tcc, and gtc, and non-preferred codons may be all codons other than the preferred codons and the less preferred codons.
Patent CA-2203327-A1 (CA)
Inventor: SCHIEL CHRISTIAN
IPC: F16C13/00
Filed: 1997-04-22
Abstract: An anti-deflection roll including a rotating roll sleeve, a support member or yoke that extends along the axis of the roll sleeve or jacket, and a plurality of hydrostatic and/or hydrodynamic support units, partially positioned within the support member and arranged in a predetermined spaced relation to each other, to support the roll sleeve in an axial direction. Between an inner surface of the roll sleeve and a support surface of each support unit an intermediate fluid coating layer may be formed.
Patent CA-2204109-A1 (CA)
Title: Neural cultures
Inventor: STRINGER BRADLEY MICHAEL JOHN
IPC: C12N5/079
Filed: 1995-11-03
Abstract: The invention relates to a method of producing nerve cell-lines a homogeneous population of nerve cells having preselected biochemical/functional characteristics. In addition, the invention also concerns the provision of a homogeneous population of cells which can be selectively made to undergo apoptosis. Finally, the invention also concerns nerve cell-lines provided by the method of the invention.
Patent CA-2205444-A1 (CA)
Title: Transdermal system
Inventor: MANZ ANDREAS
IPC: A61M37/00
Filed: 1995-11-27
Abstract: A transdermal system (1) for delivering a substance through the skin (2) has a reservoir (11) which stores the substance for delivery and a transfer device which in operation is connected to both the reservoir and the skin by means of passage openings. This transfer device comprises a sheet substrate (12) with up to about 30 % porosity. When the substance is delivered using an electrical field, the substrate sheet is a poor electrical conductor or essentially a nonconductor.
Patent CA-2206515-A1 (CA)
Inventor: HOLDEN DAVID WILLIAM
IPC: C12N15/31
Filed: 1995-12-11
Abstract: Procédé d'identification d'un micro-organisme dont l'adaptation à un environnement particulier est réduite, consistant à: (1) obtenir une pluralité de micro-organismes dont chacun est soumis à une mutation indépendante par l'inactivation insertionnelle d'un gène au moyen d'un acide nucléique comprenant une séquence de marquage unique, de sorte que chaque mutant contienne une séquence de marquage différente ou des clones dudit micro-organisme; (2) prendre un échantillon individuel préalablement stocké de chaque mutant obtenu à l'étape (1) et extraire un acide nucléique stocké comprenant la séquence de marquage unique de chaque mutant individuel; (3) introduire une pluralité de mutants obtenus à l'étape (1) dans ledit environnement particulier et laisser les micro-organismes qui en sont capables s'y développer; (4) récupérer les micro-organismes dudit environnement ou d'une partie sélectionnée de ce dernier et isoler l'acide nucléique des micro-organismes récupérés; (5) comparer les séquences de marquage dans l'acide nucléique isolé à l'étape (4) à la séquence de marquage unique de chaque mutant individuel stocké à l'étape (2); et (6) sélectionner un mutant individuel qui ne contienne aucune des séquences de marquage isolées à l'étape (4).
Patent CA-2206522-A1 (CA)
Inventor: SPECK ULRICH
IPC: A61K31/28
Filed: 1995-11-20
Abstract: The invention concerns novel multiple-substituent diethylenetriamine pentaacetic acid derivatives, their complexes and complex salts, containing an element with the atomic numbers 20 - 32, 39 - 51 or 57 - 83, pharmaceutical compositions containing these compounds, methods of preparing the compounds, the use of the compositions as contrast media and antidotes, and methods of preparing the pharmaceutical compositions.
Patent CA-2207302-A1 (CA)
Title: Sous-unite tbp2 de neisseria meningitidis
Inventor: QUENTIN-MILLET MARIE-JOSE
IPC: A61P31/04
Filed: 1996-10-10
Abstract: L'invention a pour objet une protéine sous forme substantiellement purifiée, qui est la sous-unité de moindre poids moléculaire (Tbp2) du récepteur de la transferrine humaine (RTH) d'une souche de N. meningitidis; la souche étant caractérisée en ce qu'elle n'est pas reconnue en dot blot par un antisérum obtenu à l'encontre d'un polypeptide correspondant à la Tbp2 de la souche N. meningitidis M982 (Tbp2 M982) délétée des portions hypervariables du deuxième domaine; et la sous-unité Tbp2 étant caractérisée (i) en ce qu'elle est codée par un fragment d'ADN d'environ 2,1 kb et (ii) en ce qu'elle possède une région charnière de type M982. Cette sous-unité Tbp2 ainsi que les fragments polypeptidiques qui en sont dérivés sont notamment utiles à des fins vaccinales, plus particulièrement en association avec des sous-unités Tbp2 de N. meningitidis déjà connues. L'invention fournit également des fragments d'ADN codant pour ces nouvelles Tbp2 et polypeptides dérivés.
Patent CA-2209301-A1 (CA)
Title: Reorientation de l'immunite cellulaire au moyen de chimeres proteine-tyrosine kinase
Inventor: SEED BRIAN
IPC: A61K48/00
Filed: 1996-01-24
Abstract: La présente invention concerne un procédé d'orientation d'une réponse cellulaire chez un mammifère consistant à exprimer, dans une cellule du mammifère, un récepteur chimère qui amène les cellules à reconnaître et détruire spécifiquement un agent infectieux, une cellule infectée par un agent infectieux, une cellule tumorale ou cancéreuse, ou une cellule générée par auto-immunité. Le récepteur chimère inclut (a) une partie extracellulaire capable de reconnaître spécifiquement une cellule cible ou un agent infectieux cible et de se lier spécifiquement à eux, et (b) une partie intracellulaire d'une protéine-tyrosine kinase capable d'envoyer un signal demandant à la cellule thérapeutique de détruire la cellule cible liée au récepteur ou l'agent infectieux cible lié au récepteur. L'invention concerne également des cellules qui expriment ces récepteurs chimère ainsi que l'ADN codant les récepteurs chimère.
Patent CA-2209535-A1 (CA)
Title: Waste removal device
Inventor: RYCROFT DAVID KEITH
IPC: E01H1/12
Filed: 1997-07-03
Abstract: A waste removal device is described. The device is in the form of a pair of hinged jaws where the jaws have a generally stirrup shape in order to provide a dual purpose device which may used to remove waste from a surface as to well as provide a leash handle for use in restraining an animal. When used as a waste removal device, the jaws are opened and placed inside a plastic bag. The plastic bag is then placed over the waste on the surface and the jaws closed, thus surrounding the waste. The bag is then turned inside out enclosing the waste inside the bag. In the leash application, the jaws are closed and the ends of the stirrup shaped members may be used as a hand grip whereby a leash is attached at the opposite end. The device may be further adapted so that a waste bag storage means is located in one or the jaws whereby the bags stored therein are accessible when the jaws are open and when the jaws are closed, the bags are securely constrained in a recess formed by the two jaws. Potential applications include primarily pet uses - ie; for removing pet waste as well as leash device for a dog or similar animal.
Patent CA-2210612-A1 (CA)
Title: A method for making depressed center abrasive wheels
Inventor: PATRELLO JOSEPH
IPC: B24D18/00
Filed: 1997-07-16
Abstract: Relatively thin type 27 depressed center abrasive wheels are made from initially flat "green" wheels made in a hydraulic press that has flat upper and lower surfaces in each press cavity. These thin flat wheels are clamped in a fixture that forms the center portions as the wheels are clamped to provide "green" wheels that are not only thin, but that have depressed center portions of undistorted internal geometry. The "green" wheels are then cured in this clamped condition in a furnace at appropriate temperatures that achieve the necessary hardening of the resinous mixture to yield thin depressed center abrasive cutting wheels.
Patent CA-2210991-A1 (CA)
Title: Additives and fuel oil compositions
Inventor: CAPROTTI RINALDO
IPC: C10L1/14
Filed: 1996-02-02
Abstract: An additive composition comprising: (a) an ashless dispersant comprising an acylated nitrogen compound; and (b) a carboxylic acid, or an ester of the carboxylic acid and an alcohol wherein the acid has from 2 to 50 carbon atoms and the alcohol has one or more carbon atoms provides an improvement in the lubricity of fuel oils and exhibits improved solubility in the fuel oil.
Patent CA-2212651-A1 (CA)
Inventor: PEROTTA FRANK
IPC: A63B53/04
Filed: 1997-08-08
Abstract: A golf putter has a head made from a stone material. Such material is chosen from marble, granite and other similar material. Putter heads of the invention can be easily adjusted in weight and shape to the requirements of the golfer. Further, the head can easily be provided with inserts to increase the head weight or to provide a variety of ball contacting surfaces.
Patent CA-2214365-A1 (CA)
Inventor: BOYER MARC ANGUS
IPC: E02B3/10
Filed: 1997-10-24
Abstract: Among methods and means to safeguard property and buildings from flood waters and other environmental hazards, it is known sandbags, earthen or rock dykes cannot provide quick, light weight barriers to thwart flow intrusions into public and personal property when a rapid response is necessary. In this invention light weight layers are sequentially applied upon a building structure replacing the traditional use of sandbag dykes. A relatively rigid support framework provides a barrier to flood waters and flows, wave action and weather by attaching synthetic liquid-resistant fibers (11, 11a, 15, 23), elastomers (15, 16, 18), polymerized (7, 9, 12a, 14, 14a, 15a, 15b) and plastic materials ( 16, 17, 19, 19a, 20, 28, 39a, 43, 43a, 43c, 43d, 44c, 44d, 46) to a building or to free standing structures outside the boundaries of the property or building. Layers provide multiple lightweight barriers eliminating heavy lifting, reducing manpower labour and physical stress.
Patent CA-2217109-A1 (CA)
Title: Improved print holder
Inventor: KENNEY RICHARD E H
IPC: G09F3/20
Filed: 1997-10-01
Abstract: A print holder has two molded transparent plastic pieces united together each with an upright portion and a base having an inclined flank extending downwardly outwardly from a lower portion of the upright portion. A central portion of the upright portion of one or both pieces is recessed inwardly to define a pocket having an upper opening, for holding print material. The base portions together form a hollow base for capturing an inverted V-shaped printed information carrier that has wings extending adjacent the inclining flanks of the base.      This allows display of information through the inclined flanks without requiring printing on the plastic.
Patent CA-2217844-A1 (CA)
Title: Prosthetic knee joint with enhanced posterior stabilization
Inventor: PAPPAS MICHAEL J
IPC: A61F2/38
Filed: 1997-10-07
Abstract: The prosthetic knee joint is provided for resisting valgus-varus movements. The joint includes a femoral component having a superior bone engaging surface and an inferior bearing surface. A posterior notch extends anteriorly into the posterior end of the femoral component. The prosthetic knee joint further includes a tibial component having an inferior bone engaging surface and a superior bearing surface. A plastic bearing is disposed between the femoral and tibial components. An inferior surface of the plastic bearing is in bearing engagement with the superior surface of the tibial component. The superior surface of the plastic bearing is in articular bearing engagement with the bearing surface of the femoral component. The bearing includes a post projecting proximally from the superior surface. The post is slidably received in the posterior notch of the femoral component and resists valgus-varus moments imposed upon the joint.
Patent CA-2218011-A1 (CA)
Title: X-ray water fraction meter
Inventor: BECKER ARTHUR J
IPC: G01N23/12
Filed: 1997-10-10
Abstract: An x-ray generator provides a continuous bremsstrahlung photon spectrum for determining the water to liquid ratio in a mixture of oil/water/gas flowing thro ugh a pipe located a distance from the generator. A plurality of detectors measure pho tons passing along a beam path from the generator through the fluid. A detector is al so provided to monitor the energy distribution of the generator. A time interval fo r measuring the output of each detector is established such that small changes in the gas to liquid ratio occur during this interval. An energy bin width is selected to p rovide a linear approximation of the water to liquid ratio. After binning the counts for each detector, a multi-phase flow characteristic such as the water to liquid fraction , liquid density, or liquid fraction along the beam path is determined.
Patent CA-2219096-A1 (CA)
Inventor: TODD STEPHEN ROSS
IPC: H04B7/08
Filed: 1997-10-24
Abstract: A diversity selection process for a wireless terminal having two antennas is disclosed which tests reception on both the main antenna and a diversity antenna during the period when the terminal is transmitting and tests reception of a different channel (for example, for mobile assisted hand-off) during an idle period when the terminal is neither receiving or transmitting data. The antenna with the greater signal strength is selected for the next frame. Thus, both diversity and mobile assisted hand-off measurements can be made with a single receiver.
Patent CA-2220260-A1 (CA)
Inventor: KERESTECI GARO
IPC: A63F3/06
Filed: 1997-11-04
Abstract: A contest card having a scratch-off contest area to indicate whether or not the user has won, and also having a skill testing question and a set of scratch-off answer sections. The user scratches off a single answer section to reveal an indication of whether or not the user has answered the question correctly. The scratch-off answer sections remove the need for a pen or pencil and also eliminate the involvement of the store clerk in the answering procedure.
Patent CA-2220497-A1 (CA)
Inventor: DAMM DEBORAH
IPC: A61K38/55
Filed: 1996-05-08
Abstract: L'invention se rapporte à des analogues du domaine des inhibiteurs de protéases de type Kunitz (KPI) d'une protéine précurseur amyloïde qui se lient et inhibent l'activité des sérine protéases, telles que la kallikréine, la plasmine, et des facteurs de coagulation tels que les facteurs VIIa, IXa, Xa, XIa et XIIa. Des compositions pharmaceutiques contenant les analogues de KPI, ainsi que les procédés d'utilisation de ces compositions, sont utiles pour améliorer et traiter des pathologies cliniques associées à l'activité de la sérine protéase, telles que des pertes de sang liées à des interventions chirurgicales impliquant une circulation extracorporelle. L'invention se rapporte également à des séquences nucléotidiques codant ces analogues et à des systèmes d'expression des peptides selon l'invention.
Patent CA-2221707-A1 (CA)
Title: Bioprosthetic heart valve stent having integral supporting structure
Inventor: CAMPBELL TODD D
IPC: A61F2/24
Filed: 1996-06-07
Abstract: A stent for receiving and supporting a tissue heart valve for ultimate implantation into a human, the heart valve including tissue leaflets joined at circumferentially spaced commissures, wherein the stent includes at least one commissure support post and at least one sinus support structure each sinus support structure being disposed between but not functionally connected to an adjacent commissure support post.
Patent CA-2221965-A1 (CA)
Inventor: FLAIM STEPHEN F
IPC: A61K9/00
Filed: 1996-06-07
Abstract: Cette invention concerne des émulsions de fluorocarbone biocompatibles qui permettant d'inhiber l'élimination, dans le flux sanguin, de l'oxyde nitrique produit de manière endogène, et d'inhiber ainsi la sténose vasculaire, la vasoconstriction, ainsi que toute autre condition ou trouble physiologique dus totalement ou en partie à une carence en oxyde nitrique endogène. Ces émulsions de fluorocarbone liquides sont également utilisées afin d'améliorer l'efficacité de l'hémoglobine administrée par voie intraveineuse, en limitant la disponibilité de l'oxyde nitrique formateur d'hémoglobine met et dissou dans le plasma.
Patent CA-2228138-A1 (CA)
Title: The use of autologous dermal fibroblasts for the repair of skin and soft tissue defects
Inventor: BOSS WILLIAM K JR
IPC: A61Q19/08
Filed: 1996-07-03
Abstract: The application concerns a method of repairing subcutaneous or dermal tissue in a subject. The method involves the preparation of cultured dermal fibroblasts from a specimen obtained from the subject and the injection of the fibroblast preparation, substantially free of immunogenic proteins, to repair the subcutaneous or dermal tissue. The method is applicable to the repair of rhytids, stretch marks, depressed scars, and non-traumatic cutaneous depressions as well as to the cosmetic augmentation of the lips.
Patent CA-2231878-A1 (CA)
Title: Single-piece mount with split metal plates
Inventor: DORTON DAVID W
IPC: F16B5/02
Filed: 1996-06-19
Abstract: A single-piece elastomeric mount (22) installed over a plurality of openings (15) has a like plurality of reinforcing plates (44 and 46) to permit the elastomeric rib between the plates' edges to flex. The apertures (24 and 26) in the mount can then be aligned with holes (15) in a support (13) having wider tolerances on their end positions. The mount may include two sets of plates - an upper load-distribution set (44 and 46) and a lower wear-reducing set (30 and 32), each set being bonded to the elastomer.
Patent CA-2232644-A1 (CA)
Inventor: WHALEY CHARLES WAYNE
IPC: F23J15/00
Filed: 1996-10-09
Abstract: A ventless, combustible waste reduction process and apparatus which can utilize any type of combustion means for disposing of hazardous, as well as non-hazardous, burnable waste. Such wastes include toxic combustible liquids, oil slurries, soils contaminated with dioxin, PCBs, creosote, or any other potentially harmful or toxic combustible material. In particular, the present invention relates to a ventless, combustible waste reduction process in which the operating pressure is slightly below atmospheric pressure and which employs no venting or stack discharge of pollutants whatsoever. The entire flue gas stream is scrubbed, enriched with oxygen and recycled to the combustion chamber in varying amounts in response to pressure and temperature measurements taken in the combustion chamber to maintain the pressure and temperature in the combustion chamber within pre-selected ranges.
Patent CA-2233299-A1 (CA)
Title: Container unit with two shoulders
Inventor: PETER WOLFGANG
IPC: B65D21/02
Filed: 1996-09-27
Abstract: The present invention concerns a metal container body for a non-round container having a lid beaded onto the upper edge (3), the side wall (2) of which is provided with a shoulder (1a, 1b), whereby a first shoulder (1a) in at least one part of those areas which, seen in a top view, are elongated or less sharply bent in comparison to the other parts, is arranged closer to the upper edge (3) of the container than a second shoulder (1b) in the remaining areas, whereby the shoulders (1a) and (1b) are formed thereby that the side wall, seen in cross-section and from the bottom to the top, first extends outward in an arc-like manner and then inward in an arc-like manner.
Patent CA-2238670-A1 (CA)
Inventor: LAPING NICHOLAS
IPC: C12N15/09
Filed: 1998-07-24
Abstract: sMAD3d polypeptides and polynucleotides and methods for producing such polypeptides by recombinant techniques are disclosed.  Also disclosed are methods for utilizing sMAD3d polypeptides and polynucleotides in the design of protocols for the treatment of chronic renal failure, atherosclerosis, and fibrosis, among others, and diagnostic assays for such conditions.