baber/WOPTO huggingface dataset:
Patent CA-2192541-A1 (CA)
Inventor: ROYER GARFIELD P
IPC: A61K9/70
Filed: 1995-06-07
Abstract: L'invention concerne une matrice bio-érodable (2) pour la libération contrôlée de produits pharmaceutiques, notamment des agents thérapeutiques protéiques. Elle concerne également un procédé pour la libération contrôlée de médicaments.
Patent CA-2197770-A1 (CA)
Inventor: PETROS JOHN A
IPC: C07J41/00
Filed: 1995-07-24
Abstract: L'invention se rapporte à un système d'administration, soluble dans l'eau, d'acides nucléiques à des cellules possédant des récepteurs androgènes, de préférence des cellules prostatiques. Ce système comporte une fraction stéroïdienne capable de se fixer aux récepteurs, cette fraction stéroïdienne étant liée de manière covalente à un matériau polycationique. Cette molécule peut être complexée avec des acides nucléiques thérapeutiques ou de diagnostic. L'invention se rapporte également à des procédés de diagnostic et thérapeutiques utilisant ces compositions, y compris à des traitements du cancer de la prostate utilisés en thérapie génique.
Patent CA-2199549-A1 (CA)
Title: Method of catheter balloon manufacture and use
Inventor: TROTTA THOMAS N
IPC: A61F2/958
Filed: 1997-03-17
Abstract: A catheter balloon is prepared for inflation, and the balloon is inflated by the following process.  At least a portion of an elastic,  thermoplastic tube is radially stretched until the radially stretched tube portion  exhibits  a  desired  increase  in  molecular orientation.    The  stretching conditions,  such  as selective heating, preferably cause a central section of the stretched tube portion to have less wall thickness than end sections of the tube portion.  At least part of the tube portion may be longitudinally stretched relative to the tube,  to create a desired biaxial molecular orientation.  Thereafter, the tube portion is optionally placed into a stent, the tube portion being part of a catheter.  The tube portion is inserted into a patient to position the  stent  and  tube  portion  at  a  desired position,  such as a location in the coronary artery.          After positioning of the tube portion and stent, the lumen of the tube portion is pressurized to cause radial expansion of the tube portion within the patient, with a central section of the tube portion expanding first.
Patent CA-2199852-A1 (CA)
Title: Caulking gun and cartridge with afterflow prevention
Inventor: VANMOOR ARTHUR
IPC: B05C5/00
Filed: 1995-09-13
Abstract: A caulking gun and cartridge combination is provided with afterflow prevention. The cartridge has a tubular body (8), a forward dispensing opening (9) at a forward end of the tubular body, and a backwall (11, 12) movably disposed within the tubular body (8). The caulking gun has a trough (1) for receiving the cartridge, and a piston (4) movable parallel to the trough (1).  A trigger handle (23) is used for pushing the backwall (11) forward within the tubular body and causing a reduction of volume within the chamber (13) in the cartridge. The backwall slides substantially in a contact-less manner within the tubular body, preferebly by way of a reduced diameter (OD) of the backwall (11) relative the inner diameter (ID) of the tubular body (8), so that it is pushed backwardly when the body retracts radially after actuation.  Alternatively, the cartridge body may be prevented from expanding or may even be actively squeezed so that afterflow caused by the volume reduction of the relaxing tube body is safely prevented.
Patent CA-2202304-A1 (CA)
Title: Broadwidth linewidth lasers for optical fiber communication systems
Inventor: HUBER DAVID R
IPC: H01S3/091
Filed: 1992-03-10
Abstract: Non-linear effects in an optical fiber used for communicating AM signals at high power levels are reduced by increasing the linewidth of the pump laser output signal.  A laser cavity is provided for outputting an optical signal having a longitudinal mode.   An active medium is pumped with a pump laser to provide a source of spontaneous emission at or near the lasing wavelength of the laser cavity.  The laser cavity is pumped with the pump laser while injecting spontaneous emission from the source into the laser cavity to increase the linewidth of the mode. In one preferred embodiment the signal from the laser cavity is outputted to a first port of an optical circulator. The source of spontaneous emission has an output coupled to a second port of the circulator.  The spontaneous emissions are injected into the cavity via the first port of the circulator.
Patent CA-2203275-A1 (CA)
Inventor: TROY PATRICK E
IPC: H05B41/18
Filed: 1996-08-16
Abstract: A ballast for powering a fluorescent lamp with filaments requiring preheating. Control circuitry within the ballast delays an igniter from being turned on until the filaments have been sufficiently preheated. The control circuitry is isolated and thereby protected from the high voltage pulses of the igniter by an optocoupler. A SIDAC employed in the generation of the high voltage pulses is not relied upon for sensing full arc discharge of the lamp. The breakover voltage of the SIDAC can therefore be set at a much lower than conventional level resulting in the generation of more high voltage pulses over a prefixed period of time.
Patent CA-2203644-A1 (CA)
Title: Quick-mounting fastening assembly
Inventor: HAMERSKI MICHAEL D
IPC: B29C65/06
Filed: 1995-10-17
Abstract: A quick-mounting fastening assembly (10) including a fastening structure having an initial attachment surface (13), and a main attachment surface (21) that is approximately co-planar with the initial attachment surface. A layer of pressure-sensitive adhesive (17) over the initial attachment surface affords adhering the fastening structure to a substrate by pressing the layer of pressure sensitive adhesive against the substrate. A layer of hot-melt adhesive (22) covering the main attachment surface (21) can then be heated by friction in one of several ways to melt the layer of hot-melt adhesive so that upon cooling the layer of hot-melt adhesive will be adhered to the surface of the substrate.
Patent CA-2205083-A1 (CA)
Title: Immunogenic compositions
Inventor: NEW ROGER RANDAL CHARLES
IPC: A61K47/44
Filed: 1995-11-14
Abstract: An immunogenic composition comprising an immunogen solubilised, or otherwise distributed, in a hydrophobic solvent in the absence of a hydrophilic phase. Preferably, the immunogenic composition is provided as an oral vaccine.
Patent CA-2206011-A1 (CA)
Title: Folded sheet material web and assembly and method and apparatus therefore
Inventor: LOPPNOW JAY
IPC: B65H45/24
Filed: 1997-05-16
Abstract: A sheet material assembly comprising a stack of longitudinally folded sheet material webs including a first web and second web. The first web includes a first fold, a second fold overlying a portion of said first fold, and a third fold lying between the first and second folds. The second web includes a first fold underlying the first fold of the first web, a second fold overlying the second fold of the first web and a third fold underlying the third fold of the first web.  A folding device for forming a web includes a first, second and third folding edge extending from a first junction and formed in a first plane, a fourth folding edge extending from the first junction out of the first plane, a fifth and sixth folding edge extending from a second junction formed in a second plane parallel to and above the first plane, and a seventh folding edge extending from the second junction out of the second plane. The fifth folding edge crosses over the third folding edge in a spaced apart relationship. A method for forming a sheet material web includes drawing the web over the second, third and fourth folding edges to form the first fold, drawing the web over the first folding edge to form a second fold and drawing the web over the fifth, sixth and seventh folding edge to form the third fold.
Patent CA-2207030-A1 (CA)
Title: Maison pre-usinee, systeme hybride de structure et d'enveloppe pret a monter
Inventor: BLAIS DENIS R
IPC: E04B1/24
Filed: 1997-07-11
Abstract: La construction d'une maison a toujours été une activité très importante dans la vie d'une personne puisqu'elle répond à un besoin de se protéger contre les éléments et de se loger le plus confortablement possible. La manière de construire son abri n'a pas tellement évolué. On est passé de la caverne à l'empilage de matériaux ou d'ensemble de matériaux. Aujourd'hui on construit encore la maison avec des murs porteurs, des murs qui portent des planchers et des toits, un peu comme des dolmens. Ce système de construction nous donne un espace habitable très rigide et presque sans flexibilité. On ne peut déplacer une partie de mur ou de plancher sans compromettre la stabilité structurale de la maison. Même la construction en usine continue d'utiliser des éléments de mur porteur pour la construction de résidence à un, deux et trois niveaux. Somme toute, la manière de construire nos maisons a très peu évolué si on la compare à l'automobile et à tous les meubles et équipements qui occupent notre espace habitable. Notre habitation manque de flexibilité, elle n'arrive pas à suivre l'évolution de l'occupant. Notre habitation devrait être à l'exemple du corps humain, un ensemble de cellules qui se développent selon le besoin et avec une flexibilité poussée à son maximum. Dans mon système de construction, je propose donc que notre espace habitable se bâtisse autour d'une ou plusieurs cellules coeur où l'on retrouve les espaces vitaux avec des services relativement fixes. Puis autour de ce noyau, viennent s'ajouter ou se soustraire des cellules accessoires à éléments composés permettant une flexibilité totale. Pour y arriver, je propose donc de donner à madame et monsieur tout le monde un jeu de construction leur permettant de concevoir, de construire et de modifier leur espace habitable: - la possibilité de concevoir, à partir d'éléments de modèle réduit ou d'un logiciel de dessin par éléments, leur propre maison, leur espace habitable selon leurs besoins, leurs goûts et leur budget. - la possibilité de se procurer ces éléments grandeur nature et d'en faire l'assemblage eux-mêmes, de construire rapidement leur maison sans main d'oeuvre spécialisée. - la possibilité de modifier facilement leur espace, pour que ce dernier évolue en même temps qu'eux et leurs besoins.
Patent CA-2213699-A1 (CA)
Title: A communication system and method using a speaker dependent time-scaling technique
Inventor: LEITCH CLIFFORD DANA
IPC: H04W88/02
Filed: 1996-01-26
Abstract: A method for time-scale modification of speech using a modified version of the Waveform Similarity based Overlap-Add technique (WSOLA) comprises the steps of storing a portion of an input speech signal in a memory, analyzing the portion of the input speech signal providing an estimated pitch value (12), determining a segment size (14) in response to the estimated pitch value and time-scaling (18) the input speech signal for a given time-scaling factor and in response to the determined segment size.
Patent CA-2217140-A1 (CA)
Title: Adjustable window hinge
Inventor: DALLMANN BRIAN D
IPC: E05D15/30
Filed: 1997-09-30
Abstract: A connection for adjustably holding a sash arm and a support arm in pivotally connected relationship, including a sash arm having a first cylindrical opening, a support arm having a second cylindrical opening at one end, and a stud.  The study includes a pivot portion with a cylindrical shaft extending through the second cylindrical opening, a rivet portion extending from on end of the cylindrical shaft through the first cylindrical opening and eccentric to the pivot portion cylindrical shaft, and a head on an end of the rivet portion spaced from the cylindrical shaft wherein the head and the one end of the cylindrical shaft engage opposite sides of the sash arm to frictionally secure the stud against pivoting relative to the sash arm.  The first cylindrical opening includes a countersunk hole on the side of the sash arm attachable to a window sash, wherein the rivet portion head is formed substantially entirely in the countersunk hole.  A plastic washer is disposed about the cylindrical shaft between the sash arm and support arm, and has an outer diameter which is less than the width of the sash arm and support arm.  A hexagonal shaped aperture is formed on the shaft head and is engageable with an L-shaped hex wrench to allow for adjustment of the pivotal connection by pivoting the stud between frictionally secure positions relative to the sash arm.
Patent CA-2221804-A1 (CA)
Title: Insert for a shoe sole
Inventor: RICCI GORDON K
IPC: A43B13/41
Filed: 1996-05-07
Abstract: An insert (44) for a shoe (10) sole (12) includes a heel lever (52) which absorbs energy from the foot during heel strike and returns the energy to the foot during heel lift-off.
Patent CA-2224775-A1 (CA)
Inventor: ST HR JOCHEN
IPC: C09J121/00
Filed: 1997-12-12
Abstract: Pressure-sensitive hotmelt adhesive composition based on non-thermoplastic elastomers, obtained by a)   preparing, as the preliminary batch, a composition comprising  the  elastomers  and  one  or  more  of  the following additives such as fillers, anti-ageing agents, plasticizers  and  tackifier  resins  in  an  intensively shearing, intensively cooling mixer and without solvent, the composition having a final temperature of from 100°C to 160°C, b)   mixing and homogenizing the preliminary batch in a second mixer with one or more of the following additives such as fillers,  anti-ageing agents,  plasticizers and tackifier resins, without solvent, the composition having a final temperature of from 100°C to 160°C, where the total residence time of the composition at temperatures over 100°C does not exceed a figure of 6 minutes, so that the resulting hotmelt adhesive composition has a viscosity of more  than  900 Pa*s,  in particular  from 900 Pa*s to 1200 Pa*s, at 130°C and at a shear gradient of 100 s-1.
Patent CA-2226583-A1 (CA)
Title: Rotor for a sash balance brake and pivot pin assembly
Inventor: POLOWINCZAK ALLEN D
IPC: E05D15/22
Filed: 1998-01-08
Abstract: A sash balance brake and pivot pin assembly for a sash window that maintains the window substantially square prior to installation is disclosed. The pivot pin extends outwardly from the window sash. The sash balance brake is disposed within a track in the window frame and includes a rotor rotatably disposed within an expandable housing. The pivot pin has a collar for lateral en-gagement with the rotor to prevent the window frame from bowing away from the window sash, thereby maintaining the window frame substantially square. The rotor has a first slot and a transversely disposed second slot defining an inner surface. The inner surface includes an angled surface to resist breakage of the rotor when the window sash in installed into the window frame. The rotor also has a pair of flats at a first end to further resist breakage of the rotor when the pivot pin is positioned at an angle with respect to the rotor.
Patent CA-2228665-A1 (CA)
Inventor: NAVASCUES LUC
IPC: C09K23/00
Filed: 1998-02-27
Abstract: L'émulsifiant est une composition de suifpropylènediamine ou dérivés alkylaminés équivalents et de colophane, utilisable comme les émulsifiants alkylaminés traditionnels dans la réalisation d'émulsions acides de bitume pour enrobage. Les enrobés de calcaires ainsi obtenus ne déchaussent pas.
Patent CA-2232480-A1 (CA)
Title: Process for lap-bonding of two metal members having different melting points
Inventor: OKABE SHINJI
IPC: B23K35/00
Filed: 1996-09-18
Abstract: In an area where an Al alloy plate and a steel plate lap each other, a circular blank of steel plate is made to lap the Al alloy plate, and these three members are compressed by a pair of electrodes while a welding current is passed between the both electrodes. Thus melting of a current passing portion of the Al alloy plate and a neighborhood thereof, removal of the melted portion due to partial expanding deformation of the blank toward the Al alloy plate, abutting of the expanding deformed portion against the steel plate and resistance welding of the expanding deformed portion with the steel plate are successively carried out.
Patent CA-2235667-A1 (CA)
Title: Optimistic distributed simulation based on transitive dependency tracking
Inventor: GARG VIJAY K
IPC: G06F17/50
Filed: 1998-04-23
Abstract: An optimistic distributed simulation method applicable to event-driven simulation that requires only a single rollback announcement per straggler message, with no need for other simulation processes to announce their roll backs. The method is accomplished by maintaining transitive dependency information between the simulation processes in the form of a simulation vector. The present invention eliminates the need for output queues and also the possibility of multiple roll backs per simulation process and avalanche of anti-messages. Alternatives to reduce blocking and minimize the size of the simulation vectors are also disclosed thereby reducing the overhead requirements for systems with large numbers of logical processes.
Patent CA-2236014-A1 (CA)
Inventor: CREED MICHAEL J
IPC: C11D3/39
Filed: 1998-04-27
Abstract: The invention is directed to a coated solid active bleach tablet which provides reduced swelling upon contact with water as well as reduced odor and dusting. Active bleach sources suitable for a coated bleach tablet of the invent ion include active halogen and oxygen bleaches. Suitable coatings include water solu ble organic and inorganic materials. The coated bleach tablets are particularly bene ficial for continuous advancement in known solid dispenser systems.
Patent CA-2237637-A1 (CA)
Inventor: GESTERMANN FRITZ
IPC: C25B1/26
Filed: 1996-11-12
Abstract: The invention relates to a process for direct electrochemical gaseous phase phosgene synthesis, during which an electrochemical cell (1) with a protonconducting membrane (4) is used. Dry HC1 gas and dry CO gas are fed as educts to the anode (2) of the electrochemical cell (1). The chlorine radicals obtained during anodic oxidation of HC1 gas subsequently react with the CO gas directly to form phosgene, while the protons formed simultaneously migrate through the membrane (4) to the cathode (3) where they are reduced to form hydrogen or, in the presence of oxygen, to form water.
Patent CA-2238970-A1 (CA)
Title: Process and device for regulating n power converter stations of a multipoint hvdct network
Inventor: KARLECIK-MAIER FRANZ
IPC: H02J3/36
Filed: 1996-11-18
Abstract: A process and device are disclosed for regulating n power converter stations of a multipoint high-voltage direct current transmission network (2), wherein each station regulation (6) generates a control signal by means of a coordinated vector regulation. The extinction angle nominal value (.gamma.o) of a power converter station (4) operated in the "alternating converter" mode results from the sum of a minimal extinction angle nominal value (.gamma.omin) and of a generated extinction angle additional nominal value (.gamma.oadd). The extinction angle additional set value (.gamma.oadd) is proportional to a sensed power regulation differential value (dP) as soon as a negative or positive power regulation differential threshold value (dPu, dPo) is not reached or is exceeded. A multiterminal high-voltage direct current transmission regulation system is thus obtained which has a simple structure and a decentralised design, dispensing with an overriding master regulator and costly telecommunications installations.
Patent CA-2239472-A1 (CA)
Title: Inverseur de poussee de turboreacteur a portes formant ecopes associees a une casquette amont mobile
Inventor: STUDER VINCENT JOSEPH RODOLPHE
IPC: F02K1/70
Filed: 1998-06-01
Abstract: Un inverseur de poussée de turboréacteur comporte des portes creuses pivotantes (3), intégrées en jet direct dans le capotage extérieur de la nacelle et constituant en jet inversé des obstacles de déviation de flux en formant écopes. Une partie mobile formant casquette (23) est disposée, en jet direct, entre le bord amont de la porte (3) et la structure fixe amont (6) recouvrant la structure aval du cadre avant (8). La casquette amont (23) est articulée sur la structure fixe et associée à des moyens de commande, découvre, en inversion de poussée, la structure aval du cadre avant (8) qui présente une surface aérodynamique de guidage du flux inversé.
Patent CA-2242381-A1 (CA)
Title: Regulatable retrovirus system for genetic modification of cells
Inventor: HOSHIMARU MINORU
IPC: C12N15/867
Filed: 1997-02-11
Abstract: A novel regulatable retroviral vector in which the v-myc oncogene is driven by a tetracycline-controlled transactivator and a human cytomegalovirus minimal promoter fused to tet operator sequence useful for immortalization of adult neuronal progenitor cells is provided. Producer cell lines which produce high titers of the recombinant retrovirus are also provided.
Patent CA-2242670-A1 (CA)
Title: Field modulated vertical cavity surface-emitting laser with internal optical pumping
Inventor: KULLANDER-SJ BERG ANNA
IPC: H01S5/183
Filed: 1998-07-09
Abstract: A vertical cavity surface emitting laser diode (VCSEL), includes top and bottom electrically non-conductive mirrors defining a first laser cavity containing a laser medium and designed to resonate at a first wavelength. A second laser cavity is designed to resonate at a second wavelength less than the first wavelength. The second laser cavity is optically coupled to the first laser cavity so as to pump the laser medium and create laser action in the first laser cavity. The second laser cavity is normally provided by a VCSEL stacked below the first laser cavity.
Patent CA-2243891-A1 (CA)
Inventor: SODARO JOHN C
IPC: F41B5/20
Filed: 1998-07-27
Abstract: A combination archery bow stabilizer and string tracker having a built-in shock- and vibration-damping system comprising a body portion containing a chamber for holding a spool of tracking string and a chamber housing a temperature-insensitive vibration-damping and shock-absorbing viscoelastic polymer element in which a bow-mounting rod is embedded. The viscoelastic polymer element material is preferably a flexible polyurethane of essentially linear structure, containing unsatisfied hydroxyl groups, and having a compression set of less than 15%, an elongation at break of at least 500%, and a recovery after compression which is delayed by at least 0.7 seconds. The system minimizes the vibration due to shock created by the release of the arrow and by the pay out of the tracking string.
Patent CA-2244092-A1 (CA)
Title: High precision cutting tools
Inventor: MOORE RICHARD A
IPC: B23B51/10
Filed: 1997-02-11
Abstract: Cutting tools in the form of drill bits, lathe knives, and saw teeth are formed with a cutting edge to slice off material from a work piece and with a construction providing a minimal contact of the tool against the side wall of a hole or kerf cut by the tool.
Patent CA-2244799-A1 (CA)
Title: Method of processing rubber compositions containing 2-benzothiazyl-3-(propane-1,2-diol) disulfide
Inventor: WIDEMAN LAWSON GIBSON
IPC: C08K5/47
Filed: 1998-08-11
Abstract: The present invention relates to a method of processing rubber compositions containing 2-benzothiazyl-3-(propane-1,2-diol) disulfide.