baber/WOPTO huggingface dataset:
Patent CA-2228881-A1 (CA)
Inventor: DESAULNIERS PAUL
IPC: B63B35/79
Filed: 1998-04-14
Abstract: Un noyau plein constitué de bois de balsa ou composés de bois de balsa en liaison avec toute autres matériaux compatibles pour la fabrication de planches minces nécessitant une structure rigide et légère pour la planche à vague.
Patent CA-2229112-A1 (CA)
Title: Ground engaging tool components
Inventor: MACK NOEL RAYMOND
IPC: E02F9/28
Filed: 1998-02-09
Abstract: The invention relates to an assembly of ground engaging tool components which are attachable to the lip of a bucket of an earth moving machine. The assembly of tool components comprises a nosepiece attachable to the lip of the bucket, an adaptor attachable to the nosepiece and a tip attachable to the adaptor. The components are attachable to one another by means of spigot and socket arrangements, the relevant spigot in each case defining two opposed tapered faces and a pair of side faces spacing the tapered faces from one another, at least one of the side faces of the spigot defining a groove with opposed side walls which are tapered in an opposite sense to the taper on the opposed tapered faces. Similarly, the relevant socket in each case has opposed internal tapered faces which correspond to the tapered faces on the spigot, and a pair of internal side faces spacing the internal tapered faces from one another, at least one of the internal side faces including a wedge having opposed side walls which are tapered in an opposite sense to the taper on the opposed internal tapered faces of the socket and which correspond to the taper on the opposed side walls of the groove. Each spigot is arranged to fit within a corresponding socket so that the wedge lies within the groove, is movable along the length of the groove, and can be wedged therein when the two opposed tapered faces on the spigot mate with the two opposed internal tapered faces in the socket.
Patent CA-2229400-A1 (CA)
Inventor: CHANG JOHN C H
IPC: B41M5/34
Filed: 1998-02-11
Abstract: A heat-sensitive document capable of providing multiple colors comprising a support having at least one surface bearing a first coating comprising a substantially colorless, chromogenic composition which is capable of producing a first color, a second coating covering a portion of the first coating, the second coating being an opaque coating, comprising an opacifying agent and a hydrophobic, polymeric binding agent, and a localized third coating covering at least a portion of said second coating comprising a substantially colorless, heat-activatable chromogenic composition capable of producing a second color, preferably under the application of heat.  The opaque coating is "dual-functional", since it both enhances multicolor image quality and acts as a primer for adhering the localized chromogenic coating composition.
Patent CA-2230035-A1 (CA)
Title: Oilsands tailings heat exchanger
Inventor: LANE STEPHEN J
IPC: F28F19/02
Filed: 1998-02-20
Abstract: An energy recovery system for an oilsands plant. A heat exchanger is connected to a source of hot coarse tailings from the oilsands plant. The heat exchanger is provided by an inner pipe, surrounded by an outer pipe, which together form an annulus, with fins extending from the outer pipe into the annulus. The inner pipe has an unobstructed interior bore. The outer pipe is preferably spaced from the inner pipe by the fins. Cold water is flowed into the annulus from an inlet to a hot water outlet, preferably at opposed ends of the heat exchanger, with flow in the annulus countercurrent to flow in the inner pipe. The interior surface of the inner pipe is preferably coated with abrasion resistant material, preferably chromium carbide. The outer pipe is covered by insulation.
Patent CA-2232138-A1 (CA)
Title: Alpha 1b adrenergic receptor antagonists
Inventor: BOCK MARK G
IPC: A61P13/08
Filed: 1996-09-24
Abstract: This invention relates to certain novel compounds and derivatives thereof, their synthesis, and their use as selective alpha 1b adrenergic receptor antagonists. These compounds display submicromolar affinity for the human alpha 1b adrenergic receptor subtype while displaying at least five-fold lower affinity for the human alpha 1d and alpha 1a adrenergic receptor subtypes, and many other G-protein coupled human receptors. One application of these compounds is in the treatment of hypertension. More specifically, these compounds display selectivity for lowering blood pressure without, for example, substantially affecting urethral pressure.
Patent CA-2233450-A1 (CA)
Inventor: BARMORE ROBERT M
IPC: C07C237/30
Filed: 1996-09-27
Abstract: A process for preparing an R enantiomer of a compound of formula (I) wherein Me is methyl, Ar is 3-methoxyphenyl, 3-chlorophenyl, or 1-naphthyl, and X is independently selected from the group consisting of H, F, Cl, Br, I, phenyl, CF3, CF2H, CFH2, lower alkyl (e.g., Me), O-lower alkyl (e.g., OMe), OCH2CF3, OH, CN, NO2, C(O)-lower alkyl (e.g., C(O)Me), C(O)O-lower alkyl (e.g., C(O)OMe), C(O)NH-lower alkyl (e.g., C(O)NH-Me), C(O)N-lower alkyl2 (e.g., C(O)NMe2), OC(O)-lower alkyl (e.g., OC(O)Me), and NH-C(O)-lower alkyl (e.g., NH-C(O)Me), where "lower alkyl" is selected from a group consisting of 1 to 6 carbon atoms, and m is an integer between 1 and 5, by asymmetrically and enantioselectively reducing an imine with a reducing agent/chiral auxiliary agent complex so as to produce an enantiomeric excess of R enantiomer of the compound of formula (I) over the S enantiomer of the compound of formula (I). The process is especially useful to produce compounds (R)-(+)-N-¢1-(3-methoxyphenyl)ethyl!-3-(2-chlorophenyl)propanamine and (R)-(+)-N-¢1-(3-methoxyphenyl)ethyl!-3-(phenyl)propanamine. Enantiomeric excess of the R enantiomer over S enantiomer of greater than 65 % have been achieved.
Patent CA-2241385-A1 (CA)
Inventor: CURRY N ROYCE
IPC: B62D53/08
Filed: 1998-07-29
Abstract: A long wheel base automotive tractor unit cooperates with a new semi-trailer unit to form a rigidly-coupled tractor/semi-trailer combination. The tractor fifth wheel assembly is mounted for extended longitudinal movement, while the semi-trailer has a retractable landing gear movable between a forward position close to the king pin to support the semi-trailer front end without the tractor, and a rear position close to the running wheels so that the semi-trailer can rest on the tractor and be rigidly coupled thereto. The tractor and semi-trailer chassis frames cooperate to permit pitching while preventing yaw. Preferably the tractor wheel base is of length from 6.8 metres (22 feet) to 8.5 metres (28 feet), while the fifth wheel assembly is mounted for a longitudinal movement of from 4.8 metres (16 feet) to 6.2 metres (20 feet). The fifth wheel assembly may be movable by relative movement between the two units, or by a motor. The retractable landing gear may comprise a hand and/or motor-operated drive.
Patent CA-2248318-A1 (CA)
Title: Growth factor htter36
Inventor: SOPPET DANIEL R
IPC: G01N33/48
Filed: 1996-03-26
Abstract: The present invention discloses Growth Factor HTTER36 polypeptides and polynucleotides encoding such polypeptides. Also provided is a procedure for producing such polypeptides by recombinant techniques and therapeutic uses of the polypeptides which include stimulating cellular growth and differentiation, bone formation and wound healing. Also disclosed are antagonists against such polypeptide and their use as a therapeutic to treat neoplasia and to prevent the formation of extracellular matrix molecules in the liver and lung. Also disclosed are diagnostic assays for detecting altered levels of the polypeptide of the present invention and mutations in the nucleic acid sequences which encode the polypeptides of the present invention.
Patent CA-2248788-A1 (CA)
Title: Chip card
Inventor: FINN DAVID
IPC: G06K19/07
Filed: 1997-03-17
Abstract: The disclosure relates to a chip card for contact or contact-free access to a chip inside a chip module. The chip module is arranged in a recess (59) in a card body (49) in such a way that outer contact surfaces (51) of the chip module are disposed on the surface (60) of the card body (49) and inner contact surfaces (53) of the chip module are connected to the wire ends (55, 56) of a coil (57) fitted in the card body to form a transponder unit. The coil is a wire-wound coil (57) and the recess (59) for the chip module is of a depth (t) such that wire ends (55, 56) inside the recess (59) are provided with a flattened contact area (63) by the process which forms the recess (59).
Patent CA-2255183-A1 (CA)
Title: Working appliance which can be handled manually
Inventor: EISENBLAETTER GERD
IPC: B23Q5/04
Filed: 1998-12-02
Abstract: In the case of a working appliance which can be handled manually, having an elongate drive unit which has in an end region a drive shaft protruding laterally out of the drive unit, particularly good handling properties and a flexible range of applications are achieved by an extension unit being arranged on the drive unit, by the extension unit having at its front end region a device for receiving a working tool, and by the extension unit having a power transmission device for transmitting the rotation of the drive shaft to the device for receiving a working tool.
Patent CA-2255423-A1 (CA)
Title: Method of identifying high immune response animals
Inventor: WAGTER-LESPERANCE LAURAINE
IPC: G01N33/68
Filed: 1998-12-10
Abstract: The invention relates to a method and use of a method of identifying high immune response animals under stress. The animals are identified by a ranking procedure that classifies the animal's immune response to an antigen over a period of time that spans the stress.
Patent CA-2256393-A1 (CA)
Title: Cadre avec ossature centrale et peaux opposees
Inventor: PATTERSON THOMAS C
IPC: B62K19/16
Filed: 1997-05-14
Abstract: L'invention concerne une construction améliorée d'un cadre comprenant plusieurs éléments (14, 16) permettant l'interconnexion avec plusieurs éléments en forme de tige ou poutrelle (41-46) et des éléments peaux (30, 32, 34, 36).
Patent CA-2257281-A1 (CA)
Inventor: KAUFMANN GEORG
IPC: B29C45/16
Filed: 1997-05-22
Abstract: L'invention concerne un procédé et un dispositif pour produire des éléments (1) mobiles d'une pièce (3) en plastique comportant une couche décorative (2), dont une surface est notamment pourvue d'une couche décorative (2), et qui peuvent être réalisés d'un seul tenant avec les pièces (3) en plastique. A cet effet, deux moitiés d'outil (4, 5) forment une cavité (6) d'un moule d'outil (7) et le matériau utilisé à des fins décoratives peut être appliqué sur une des moitiés d'outil avant compression, de manière à se situer essentiellement dans une première chambre (42, 42') qui se trouve séparée par la fermeture du moule d'outil (7) et éventuellement par le transfert d'au moins un registre d'arrêt (8, 8') dans sa position de blocage finale dans la cavité (6). Après introduction de la matière plastique (9) dans la première chambre (42, 42') par l'intermédiaire d'au moins une conduite d'amenée (10) et après fermeture du moule d'outil (7), le registre d'arrêt (8') peut être sorti de sa position d'arrêt et une seconde matière plastique (9) est injectée dans la seconde chambre (43) de la cavité (6). Par séparation le long de zones marginales (11) prédéfinies, qui définissent au moins une partie du contour d'éléments mobiles (1) produits d'un seul tenant avec la pièce (3) en plastique, ladite pièce (3) en plastique peut être réalisée sous forme de monomatériau avec des éléments mobiles (1).
Patent CA-2257487-A1 (CA)
Inventor: FREMY GEORGES
IPC: C07B61/00
Filed: 1999-01-19
Abstract: Pour la fabrication de disulfures ou polysulfures organiques, on utilise comme catalyseur basique une résine polystyrène-divinylbenzène fonctionnalisée par des groupes éthylènediamine ou polyéthylènepolyamine. Cette utilisation permet d'obtenir un meilleur taux de conversion des réactifs et/ou une vitesse de réaction plus grande.
Patent CA-2257769-A1 (CA)
Inventor: DUFFANY JEFFREY LOUIS
IPC: H04L1/00
Filed: 1999-01-07
Abstract: The present invention provides a method for conveying information over a communication network such as a Digital Loop Carrier network free of in-band signaling information for at least a portion of an established communication between at least two users so as to reduce the information error rate associated with the established communication.
Patent CA-2258311-A1 (CA)
Title: Vertical take-off aircraft
Inventor: KUSIC TOM
IPC: B64C27/52
Filed: 1996-05-22
Abstract: A helicopter-type craft is disclosed which obviates the need for the main rotor blades to be variable in pitch to maintain control and provide vertical lift.      The aircraft has a main rotor (1) and engine (2) at the top of the aircraft which can be tilted as a unit in a plurality of directions and angles with respect to the body of the crafts. Tilting occurs at a universal joint (3) which may be fixed in position (as depicted) or alternatively mounted on top of a telescoping tower so as to vary the height of the centre of tilt with respect to the body of the craft. Tilting may be effected by handles (4, 5) or alternatively be powered using hydraulic or pneumatic linear actuators. Stability of the craft is maintained by tail rotor (10) powered by a separate engine (11) and possibly by pitch-controllable fins attached to the body of the craft.
Patent CA-2263081-A1 (CA)
Inventor: CHANG MAIN
IPC: C08F10/00
Filed: 1997-08-19
Abstract: L'invention porte sur des systèmes de catalyseurs aux métallocènes sur support et sur leurs procédés de préparation et d'utilisation, et spécifiquement sur un procédé de préparation de systèmes de catalyseurs aux métallocènes sur support recourant à un solvant aliphatique. Les systèmes de catalyseurs ainsi préparés présentent une activité accrue.
Patent CA-2263605-A1 (CA)
Inventor: ALDRICH SHARON M
IPC: B01J10/00
Filed: 1997-07-23
Abstract: Procédés et dispositifs servant à commander soit la vitesse de réaction, soit la capacité réactionnelle d'un hydrocarbure par rapport à un produit d'oxydation intermédiaire, tel qu'un acide, dans des limites prédéterminées. On commande la vitesse ou la capacité réactionnelles au moyen du contrôle et de la régulation de la vitesse à laquelle l'oxydant se consume. L'invention présente des exemples de détermination de cette vitesse, tels que, de façon non exhaustive, le contrôle des débits d'arrivée et de sortie de l'oxydant, le contrôle des différences de pression après la cessation temporaire de l'entrée et de la sortie de gaz, et le contrôle des vitesses d'entrée et de sortie de l'hydrocarbure. Ces procédés et ces dispositifs sont particulièrement avantageux si l'hydrocarbure est cyclohexane, le produit d'oxydation intermédiaire de l'acide adipique, le solvant de l'acide acétique, le catalyseur du tétrahydrate acétate de cobalt (II) et le déclencheur de la réaction cyclohexane ou acétaldéhyde ou un mélange des deux.
Patent CA-2265452-A1 (CA)
Inventor: WILKINSON WILLIAM T
IPC: A63B21/00
Filed: 1997-09-08
Abstract: A combination slant board and abdominal rocker includes a slant board (12) which comprises a rigid body support (16) elevated at one end to incline the body support. The abdominal rocker has a frame (34) with a base section (36) pivotally mounted adjacent to the body support (16) and a grip section (46) spaced from the base section. A neck rest (44) is mounted to the frame between the base section and the grip section. The grip section and the neck rest are located above the body support.
Patent CA-2270090-A1 (CA)
Title: Dispositif de fixation rapide d'une chaussure sur une pedale de bicyclette
Inventor: LACHAT REMY
IPC: B62M3/08
Filed: 1999-04-26
Abstract: Le dispositif de fixation rapide comprend une platine fixée à demeure sous la semelle de la chaussure et des moyens de fixation (4, 5) de la platine sur la face supérieure de la pédale, lesdits moyens de fixation comprenant une griffe avant (4) et une griffe arrière (5) montées mobiles dans une direction perpendiculaire à l'axe (2) de la pédale (1), et des moyens de commande (13, 14, 15, 16, 22) des griffes (4, 5). Les moyens de commande (13, 14, 15, 16, 22) comprennent un circuit hydraulique intégré dans la pédale (1) et des organes de commande hydraulique (13, 22) disposés sur la pédale et actionnés par la platine.
Patent CA-2270310-A1 (CA)
Inventor: WANG XIAORONG
IPC: C08F8/32
Filed: 1999-04-28
Abstract: The present invention teaches a method for enabling the formation of a high damping, soft polymer gel. The method includes: reacting in a suitable solvent a poly(alkenyl benzene-co-malefic anhydride) and a primary amine to form a poly(alkenyl benzene-co-maleimide) polymer. The poly(alkenyl benzene-co-maleimide) polymer while remaining in solvent is grafted with a maleated polyalkylene through the use of a grafting agent such as an alkyl diamine to form a polyalkylene grafted poly(alkenyl benzene-co-maleimide) polymer product. The solvent is then removed from the polyalkylene grafted poly(alkenyl benzene-co-maleimide) polymer product and the polymer is mixed with extender such as oil sufficient to form the gel.  During oil extension the graft copolymer is further crosslinked due to the presence of additional alkyl diamine.
Patent CA-2272064-A1 (CA)
Title: Method of processing a video stream
Inventor: MACLEAN ROGER
IPC: H04N5/14
Filed: 1997-11-20
Abstract: A method of processing a video stream, involves contemporaneously selecting first and second pairs of frames in the video stream with a predetermined period. The second pairs of frames have a longer period than the first pairs. For each of the first and second pairs of frames, there is determined a difference value representing the number of pixels whose value has changed between the first and second frames of the pair. A particular logic level is generated depending on whether this difference value exceeds a predetermined threshold. The generated logic levels are then compared with a decision map to identify cuts in the video stream.
Patent CA-2274328-A1 (CA)
Title: Method of manufacturing composite tubular parts through filament winding
Inventor: ELLIOTT BRUCE
IPC: B29C70/34
Filed: 1999-06-10
Abstract: A method of manufacturing composite tubular parts through a filament winding process, comprising the following described steps. A first step involves providing an elongate mould having a relatively even outer surface. A second step involves winding dry filament upon the mould in a desired orientation.      A third step involves enclosing the mould in a vacuum chamber and infusing resin into the dry filament wound upon the mould by vacuum infusion. A fourth step involves permitting the resin to set to form a tubular part and removing the tubular part, so formed, from the mould.
Patent CA-2275589-A1 (CA)
Inventor: SUNDEGARD BO
IPC: H03C3/00
Filed: 1997-12-16
Abstract: A system (10) and method are provided in which a phase modulation generator (12) is used to modulate the output signal of a DDS (18) with a modulation index, h/N. The phase-modulated DDS output drives a PLL (26), which is an upconversion stage for a radio transmitter, with the modulated DDS signal as the PLL's (26) reference. The output of the PLL (26) will have a modulation index of h. Consequently, the frequency band of the DDS (18) output is significantly narrower than the frequency band of upconversion stages used in conventional transmitters, and there are significantly less spurious emissions in the transmitted signal. However, a transmitter employing the present phase-modulated DDS-driven PLL topology can still transmit over a relatively wide frequency band.
Patent CA-2277118-A1 (CA)
Inventor: MILLER PHILIP
IPC: B29C67/00
Filed: 1997-11-21
Abstract: A method and apparatus for capping headed stem fasteners. The precursor web (54) having a backing (56) with a rear surface (58), a front surface, and a multiplicity of polymeric stems (60) projecting distally from the front surface of the backing is fed into a variable nip (64) between a heated member opposite a support surface (68). The support surface (68) has a shape generally conforming to the contour of the heated member (66). The variable nip (64) compressively engages the polymeric stems between the heated member (66) and the support surface (68) so that distal ends of the polymeric stems are deformed. The heated member (66) can be a heated roll or a heated belt. The support surface (58) may be a curved capping shoe or a belt shaped to create a particular nip profile.
Patent CA-2277424-A1 (CA)
Inventor: STOCK GERHARD
IPC: D21G1/00
Filed: 1999-07-15
Abstract: Calender for a fibrous material web includes a first roll stack and a second roll stack each arranged in a common plane on a stanchion, each roll stack having a top deflection adjustment roll having a sleeve, a bottom deflection adjustment roll having a sleeve, and three intermediate rolls disposed between the top deflection adjustment roll and the bottom deflection adjustment roll, the uppermost the intermediate roll being fixedly mounted to the stanchion, a deflection adjustment device having a sleeve lift supporting each sleeve, at least one deflection adjustment device facing the first roll stack in a first operative position and facing the second roll stack in a second operative position, and a nonrotatable bracket supporting each deflection adjustment device and fixedly mounted to the stanchion. The bottom roll of the fast roll stack and the top roll of the second roll stack are disposed adjacent to each other and adapted to form a nip therebetween by closing a sleeve lift of at least one of the bottom roll of the first roll stack and the top roll of the second roll stack.
Patent CA-2278242-A1 (CA)
Title: Personal security and tracking system
Inventor: HOFFMAN ANN
IPC: G01S19/48
Filed: 1998-01-20
Abstract: A signaling system is provided for rendering an alarm for an individual (50) in distress combined with a locating and tracking system to thus alert and direct appropriate personnel to the needs of the individual in distress and to monitor the location of that individual. The system comprises a portable signaling unit (20), a remote alarm switch device (40), a central dispatch station (80), and makes use of a wireless communication system. The portable signaling unit (20) and the remote alarm switch (40) may be adapted to be worn at different locations on the person's body. The remote alarm switch (40) may be concealed in the form of a wristband or in the form of any other object such as a broach, pendant, or keychain.
Patent CA-2279648-A1 (CA)
Title: Haemostatic aerosol composition
Inventor: SANTAR IVAN
IPC: A61L26/00
Filed: 1998-01-30
Abstract: A haemostatically active aerosol composition comprises from 0.005 to 0,25 parts by weight of microdispersed polyanhydroglucuronic acid and/or salts thereof and from 0.75 to 0.005 parts by weight of a dispergating/propellant system. The system includes liquids which are non-polar or of low polarity with a surface tension of less than 30 mN/M and a permittivity at 10 kilohertz of less than 10. One example of such a system is isopentane and dimethylether.
Patent CA-2280561-A1 (CA)
Title: Electronic high intensity discharge ballast
Inventor: ROMAN DANIEL
IPC: H05B41/292
Filed: 1999-08-20
Abstract: A microprocessor controlled high frequency electronic ballast for gas discharge lamps in which the dimming is accomplished by varying the frequency of the square wave generated by the ballast. Prior to ignition the ballast generates a high frequency square wave to preheat the lamp filament. The microprocessor, which is programmable, controls the operating and preheating frequencies of the ballast. The ballast demonstrates very few losses due to the efficiency gained by operating at high frequencies.