baber/WOPTO huggingface dataset:
Patent CA-2212058-C (CA)
Title: Preparation and use of a specific gaba-a.alpha.5 receptor ligand for treatment of alzheimer's disease
Inventor: DAWSON GERARD RAPHAEL
IPC: G01N33/94
Filed: 1996-02-20
Granted: 2008-05-13
Abstract: The invention provides a method of treatment for, or method of manufacture o f medicament for, enhancing cognition, for example in the treatment of Alzheimer's disease, employing a specific GABA-A.alpha.5 receptor ligand.
Patent CA-2212465-C (CA)
Inventor: ESLAMBOLCHI HOSSEIN
IPC: G02B6/00
Filed: 1997-08-07
Granted: 2000-11-14
Abstract: ABSTRACT OF THE DISCLOSURE   Possible microbending of individual fibers (14 1,and 14 2) within a fiber optic cable (12) is detected by monitoring each fiber as well as each piece of equipment (16 1, 16 2, 18 1 and 18 2) connected to it. Should there exist multiple failed fibers under the condition that the equipment pieces associated with each failed fiber are operational; then a possible microbending condition is signaled.
Patent CA-2225780-C (CA)
Title: New derivatives of n-benzylpiperazine, their preparation process and the pharmaceutical compositions they contain
Inventor: BOUSSARD MARIE-FRANCOISE
IPC: A61P25/00
Filed: 1997-12-16
Granted: 2002-11-19
Abstract: N-benzyl piperazine derivatives of formula (I), their isomers and addition salts with acids and bases are new. R1 = 1-6 C alkyl; X = O or S; R2 = 1-8 C alkyl (optionally substituted by CO2H or 1-6C alkoxycarbonyl), 1-6C alkoxy, phenyl (optionally substituted by halo, 1-6C alkyl or alkoxy, OH or trihalomethyl), 3-7C cycloalkyl (optionally substituted by ≥ 1 phenyl (optionally substituted by ≥ 1 halo or 1-6C alkyl or alkoxy, OH or trihalomethyl)), 4-(2,3-dithiacyclopent-1-yl)-butyl, pyridyl, NH2 (optionally mono- or di-alkylated with 1-6C alkyl), or a chroman or chroman-alkyl group; and R3 = H, 3-7C cycloalkyl, CHO, phenyl (optionally substituted by halo, 1-6C alkyl or alkoxy, OH or trihalomethyl), pyridyl or 1-20 C alkyl (optionally substituted by ≥ 1 halo, phenyl or cycloalkyl (optionally substituted as described above as in R2)), 1-6C alkoxy, OH or pyrrolidinyl.
Patent CA-2227820-C (CA)
Title: Cylindrical head boring tool
Inventor: POMP THOMAS
IPC: B27G15/00
Filed: 1998-01-23
Granted: 2001-10-23
Abstract: A cylindrical head boring tool such as a Forstner drilling tool has a main cutting edge with a centering point. The main cutting edge extends diametrically across the entire circular cross-section of the boring head and has cut out surfaces and chip channels adjacent the main cutting edge. The chip channels open through the outer periphery and extend obliquely through the boring head. Each end of the main cutting edge is adjacent a preliminary cutting edge coinciding with the circumference of the boring head to guide the boring tool. The preliminary cutting edge reaches to the edge of the respective other chip channel and forms the peripheral edge of an essentially cylindrically curved wall of the boring head. The otherwise smooth curved wall is interrupted by radial throats.
Patent CA-2233481-C (CA)
Inventor: UMEZAWA KAZUHIKO
IPC: H01L23/36
Filed: 1998-03-27
Granted: 2002-01-15
Abstract: An integrated circuit device cooling structure includes a wiring substrate, an integrated circuit device, a heat sink, and heat radiation vias.  The integrated circuit device is mounted on the first surface side of the wiring substrate.  The heat sink is fixed to the second surface of the wiring substrate and thermally coupled to the wiring substrate.  The heat radiation vias are formed in the wiring substrate to transmit heat generated by the integrated circuit device to the heat sink.
Patent CA-2236126-C (CA)
Inventor: IWAKURA TOMOATSU
IPC: C07C29/10
Filed: 1998-04-29
Granted: 2006-08-15
Abstract: A process for producing an alkylene glycol which comprises a step of reacting an alkylene oxide with water in the presence of a catalyst, wherein the catalyst comprises an anion-exchange resin comprising: a polymer of a vinylaromatic compound as a substrate; and quaternary ammoniums group each bonded to the respective aromatic groups of the polymer substrate via a connecting group having a chain length of three or more atoms.
Patent CA-2238017-C (CA)
Inventor: CHIRON JEANINE
IPC: G01D3/036
Filed: 1996-12-04
Granted: 2003-02-11
Abstract: The output voltage of an electrical circuit such as a Wheatstone bridge comprising four main resistors (J1 to J4) having substantially the same resistance value (R) and substantially the same temperature coefficient of resistance .alpha. is rendered insensitive to temperature differentials between the bridge arms by mounting a compensating element (r1 to r4) in each arm in series with the main resistor. Each compensating element is physically very close to a main resistor in one of the adjacent bridge arms so that it has the same temperature as said resistor. The compensating elements have the same resistance value r and the same TCR .beta., with R.alpha. = r.beta., where r is less than R and preferably r/R  1/2, in order to limit the drop in sensitivity of the Wheatstone bridge.
Patent CA-2238037-C (CA)
Inventor: ISSA DARRELL E
IPC: B60R25/10
Filed: 1996-12-09
Granted: 2002-07-09
Abstract: A remotely controllable vehicle system as shown in Fig. 2 for generating a response to an incoming threat to a secured area and/or control of user selectable convenience features, comprising a wireless transmitter (1) having at least one switch (3) for generating and transmitting a signal encoded with a data code word having at least one identification code word; a receiver (19) for receiving the signal; a decoder (23) for decoding the coded data word from the signal; a controller (23) responsive to a command data word embedded in the coded data word only if an identification code word embedded in the data code word is identical to at least one authorized identification code word stored in a memory (21) accessible to the controller; a learn mode as shown in Fig. 3 for programming a new identification code word of a new transmitter in the memory as the authorized identification code word only if multiple groups of the coded data words are transmitted from the transmitter and received by the controller.
Patent CA-2238148-C (CA)
Inventor: MCCUTCHEON WILLIAM F
IPC: B24D18/00
Filed: 1998-05-21
Granted: 2001-11-27
Abstract: Coated abrasive materials can be made from a backing material and, adhered to the backing by a maker coat, weak shaped abrasive particles with, interspersed between the abrasive particles, a plurality of non-abrasive particles that are smaller than the abrasive particles which serve to raise the level of a size coat applied over the maker coat and abrasive particles such that the abrasive particles are anchored over a greater part of their length without the need for the application of a large volume of size coat and such that a grinding adjuvant included in the topmost coat is located adjacent the tips of the abrasive particles which perform the grinding when the coated abrasive is in use.
Patent CA-2242312-C (CA)
Inventor: NITA ROBERT B
IPC: F16B5/06
Filed: 1998-08-10
Granted: 2007-07-03
Abstract: A clip (100) is provided that is adapted to be pressed into an opening (32) through a frame (30) with resilient fingers (12) and (12) operative to expand outwardly to enable sections (15) and (15') of fingers (12) and (12') to engage a lower edge (33) surrounding opening (32) through frame (30). A protuberance (26) extending from trim 24 is pressed between free-ends (18) and (18') respectively of prongs (16) and (16') extending from opposite sides of an aperture (22) through head portion (8) of clip (100) that are operative to secure trim (24) to clip (100) and frame (30). Fingers (12) and (12') extend from arms (10) and (10') of clip (100) whose free-ends (14) and (14') remain separated such that the lower end of clip (100) remain apart to prevent force imparted upon trim (24) from being transferred to clip (100).
Patent CA-2249398-C (CA)
Title: Procede de fabrication de lasers a guide en biseau
Inventor: FANG RUIYU
IPC: H01S5/10
Filed: 1997-03-19
Granted: 2001-06-12
Abstract: On obtient une région active biseautée (3, 3a) à l'aide de techniques de photolithographie, en deux étapes successives, en superposant les images d'un premier et d'un second masque (5, 6) dont chacune présente un chanfrein dont l'inclinaison correspond à celle de l'un des côtés de la partie en biseau (3a).
Patent CA-2250639-C (CA)
Inventor: PEITL FRIEDRICH
IPC: E01B27/16
Filed: 1998-10-14
Granted: 2005-11-08
Abstract: A tamping unit (1) for tamping sleepers of a track includes tamping tools (6) which are squeezable towards one another in pairs by means of squeezing drives (5) and mounted for pivoting about a swivel axis (11) on a vertically adjustable tool carrier (12). A tamping pick (8) intended for immersion in ballast is associated with each tamping tool (6) in the lower end region, the tamping pick being mounted on the tamping tool (6) for pivoting about a pivot axis (10) extending perpendicularly to the swivel axis (11) and being connected by means of a hinge point (25) to a pivot drive (16), designed as a hydraulic cylinder, for pivoting the tamping pick (8) in the longitudinal direction of the sleepers. The pivot drive (16) is linked to the tamping tool (6) via a hinge point (27). For assuming different operating positions, the pivot drive (16) is connected to an auxiliary drive (21) and linked to one of the two hinge points (27), while the auxiliary drive (21) is mounted to the other hinge point (25).
Patent CA-2255775-C (CA)
Title: Procede pour produire des composants en forme de plaques ou des combinaisons desdits composants
Inventor: NAMMENSMA PIETER
IPC: C04B35/622
Filed: 1997-05-29
Granted: 2007-12-04
Abstract: L'invention concerne un procédé pour produire des composants en forme de plaques, ledit procédé consistant à préparer une première suspension contenant un alcool comme milieu dispersif et un matériau de base pour la plaque, à préparer une seconde suspension contenant un liant, de l'eau comme gélifiant et un alcool comme milieu dispersif, et à ajouter éventuellement du carbonate de Li/K ou de Li/Na. Le procédé consiste ensuite à mélanger ces deux suspensions, et à ajouter éventuellement des fibres. Après mélange, on réalise un composant en forme de plaque au moyen de la technique dite de "coulée en bande".
Patent CA-2256321-C (CA)
Title: Element de maintien de suture utilisable a des fins medicales
Inventor: IGAKI KEIJI
IPC: A61B17/06
Filed: 1998-03-31
Granted: 2007-03-27
Abstract: L'invention a trait à un élément de maintien de suture utilisable à des fins médicales, comportant une rangée d'agrafes et monté, en cours d'utilisation, sur un instrument de suture automatique. Le corps de cet élément de maintien, de forme cylindrique, qui est fait d'une seule pièce, au moyen d'un matériau polymère naturel ou synthétique, est pourvu, à sa base, d'une ouverture permettant son montage sur l'instrument de suture. L'extrémité distale de cet élément de maintien de suture de forme cylindrique est fermée, ce qui, d'une part, supprime le risque d'un décalage dû à la contraction de l'élément au moment de son insertion dans l'instrument de suture et, d'autre part, fait qu'il recouvre toute la périphérie d'une partie de montage et ce, aux fins d'un positionnement fiable sur l'emplacement à suturer. Cet élément de maintien comporte également des moyens lui évitant de se séparer de l'instrument de suture.
Patent CA-2261961-C (CA)
Inventor: KLOSIEWICZ DANIEL W
IPC: C08J5/18
Filed: 1998-06-05
Granted: 2004-05-25
Abstract: This invention relates to High Density Polyethylene (HDPE) films having improved barrier properties. More particularly, the invention relates to HDPE films containing hydrocarbon resins having improved moisture barrier. The invention also relates to masterbatches for use in producing High Density Polyethylene films having improved barrier properties.
Patent CA-2263257-C (CA)
Inventor: CORSO ALBERT MARIO
IPC: A61B5/024
Filed: 1999-02-26
Granted: 2003-07-29
Abstract: The present invention relates to an artery locating device (10) which comprises a housing (18) comprising a housing power means access (18A), a housing bottom (18B), a housing front (18F), and a housing rear (18R). The artery locating device (10) further comprises a microchip (22) contained within the housing (18). The artery locating device (10) further comprises a power means (24) electronically connected to the microchip (22). The artery locating device (10) further comprises a heart rate monitor (12) is contained within the housing (18). The heart rate monitor (12) comprises a heart rate monitor LCD display (12B) which is electronically connected to the microchip (22). The heart rate monitor (12) further comprises a heart rate monitor visual display (12C) having a heart rate monitor visual display indicator light (12CA) which is electronically connected to the microchip (22). The artery locating device (10) further comprises a pulse intensity monitor (14) contained within the housing (18). The pulse intensity monitor (14) comprises a pulse intensity monitor LCD display (14B) which is electronically connected to the microchip (22). The pulse intensity monitor (14) further comprises a pulse intensity monitor visual display (14C) having a pulse intensity monitor visual display indicator light (14CA) which is electronically connected to the microchip (22). The artery locating device (10) further comprises an artery monitor (16) contained within the housing (18). The artery monitor (16) comprises an artery monitor visual display (16A) which is electronically connected to the microchip (22). The artery monitor (16) further comprises an artery monitor visual display indicator light (16AA) which is electronically connected to the microchip (22). The artery locating device (10) further comprises an artery sensor (20) contained within the housing (18) positioned at the housing bottom (18B).  The artery sensor (20) is electronically connected to the microchip (22).
Patent CA-2269686-C (CA)
Title: Intensity compensated scanning system
Inventor: CHISHOLM THOMAS J
IPC: G06K7/10
Filed: 1997-07-10
Granted: 2000-08-08
Abstract: An intensity compensated scanning system includes laser means (10) for providing a laser beam; scanner means (14) for sweeping the laser beam in an arcuate path across a surface (21) to be scanned; means (22) for sensing the return laser beam reflected from the surface to be scanned; means (38) for quantifying the decrease in the intensity of the return laser beam at the scan extremity portion relative to the intermediate scan portion; and means (30) responsive to the means for quantifying for varying the power to the laser means at the scan extremity portion relative to that at the intermediate scan portion for balancing the intensity of the return laser beam reflected from the surface to the means for sensing.
Patent CA-2271736-C (CA)
Title: Decorative stone
Inventor: MATTHEE THORSTEN
IPC: A44C27/00
Filed: 1998-09-23
Granted: 2005-06-14
Abstract: An artificial jewellery stone consists of a preferably tabular carrier or substrate having a surface with at least one pyramid-shaped recess therein, a precious-stone layer produced by gas-phase deposition..
Patent CA-2275245-C (CA)
Inventor: POTH RAINER
IPC: H02B13/00
Filed: 1997-12-12
Granted: 2007-12-04
Abstract: An electrical coupling device for connecting separable connecting leads between at least two switchrooms is provided, in particular for medium voltage switchgears, the connecting leads being passed through container walls and surrounded, in each case, by a rotationally symmetrical insulating body, the insulating bodies being surrounded by an insulating collar that is common to both, the connecting leads being connected by a contact device in an electrically conductive manner. Lead-in pins are provided on front-form sides with a multi-contact which acts as an annular contact body for receiving a contact pin. The contact pin is configured in one piece and is also spherical in the area of the multi-contact. The contact pin is surrounded by a sleeve, which in the longitudinal middle area of the contact pin is configured so as to curve inward and is connected to the sleeve in an electrically conductive manner.
Patent CA-2276597-C (CA)
Inventor: VIRVING NILS
IPC: D21B1/14
Filed: 1998-02-05
Granted: 2005-07-26
Abstract: A feeding element intended for refiners with two opposed refining means (11, 12), one of which is stationary and one rotary, which are provided with refining elements (14, 15), which between themselves form a refining gap (17) with a refining zone (16) for working lignocellulosic fibrous material. A feeding device (20, 22) is located centrally inside the refining gap (17). The feeding element (30) is intended to be placed on the rotary refining means (12) in the refining gap (17} directly outside the feeding device (20, 22). The feeding element (30) is formed with at least one feeding bar (31), where the upper edge (33) of each feeding bar projects out on at least one side of the bar.
Patent CA-2277060-C (CA)
Title: Flexible shower arm assembly
Inventor: HOLLINSHEAD MILTON B
IPC: B05B15/68
Filed: 1998-01-09
Granted: 2008-03-25
Abstract: A flexible shower arm assembly (30) that allows the user to repeatably adjust the position of the shower head (42) in three dimensions by configuring the shape of the shower arm (34) attached between the water source, such as a shower pipe, and the water dispenser, such as a shower head (42). The particular position of the shower head (42), and the direction of the shower spray, can be modified by re-configuring the shape of the shower arm (34). The flexible shower arm (34) holds the desired position until modified by the user. The flexible shower arm (34) is sealingly attached to the shower pipe by a pipe connector nut (40), and is sealingly and pivotally attached to the shower head (42) by a connection structure. The flexible shower arm assembly (30) includes an elongated flexible member defining a fluid transfer path, the flexible member having a first end and an opposite second end. The first end of the flexible member is connected in fluid communication with the shower pipe (32), and the second end of the flexible member is connected in fluid communication to a shower head (42). A sheath (52) covers the flexible arm from the first end to the second end.
Patent CA-2277801-C (CA)
Title: Preparation of particles for inhalation
Inventor: WANG JUE
IPC: A61K47/48
Filed: 1997-11-17
Granted: 2002-10-15
Abstract: Particles incorporating a surfactant and/or a hydrophilic or hydrophobic complex of a positively or negatively charged therapeutic agent and a charged molecule of opposite charge for drug delivery to the pulmonary system, and methods for their synthesis and administration are provided. In a preferred embodiment, the particles are made of a biodegradable material and have a tap density less than 0.4 g/cm3 and a mass mean diameter between 5 µm and 30 µm, which together yield an aerodynamic diameter of the particles of between approximately one and three microns. The particles may be formed of biodegradable materials such as biodegradable polymers. For example, the particles may be formed of poly(lactic acid) or poly(glycolic acid) or copolymers thereof. Alternatively, the particles may be formed solely of a therapeutic or diagnostic agent and a surfactant. Surfactants can be incorporated on the particule surface for example by coating the particle after particle formation, or by incorporating the surfactant in the material forming the particle prior to formation of the particle. Exemplary surfactants include phosphoglycerides such as dipalmitoyl phosphatidylcholine (DPPC). The particles can be effectively aerosolized for administration to the respiratory tract to permit systemic or local delivery of wide a variety of therapeutic agents. Formation of complexes of positively or negatively charged therapeutic agents with molecules of opposite charge can allow control of the release rate of the agents into the blood stream following administration.
Patent CA-2278726-C (CA)
Title: Procede et appareil incluant un actionneur perfectionne procurant un retour d'effort bande large et realiste
Inventor: ROSENBERG LOUIS B
IPC: A63F13/06
Filed: 1998-01-26
Granted: 2004-08-31
Abstract: L'invention concerne un procédé et un appareil incluant un actionneur perfectionné permettant de procurer, à moindre coût et de façon réaliste, un retour d'effort. Une interface (14) couplée à un ordinateur hôte (12) permet à un utilisateur (22) d'interagir avec un programme d'application hôte et de percevoir des sensations de force. Un actionneur (30) exerce des forces sur l'objet utilisateur (34) en réponse à des signaux provenant de l'ordinateur (12) et du programme hôtes. L'actionneur comporte un boîtier, un ensemble d'aimants mis à la masse, situés sur des surfaces opposées dudit boîtier et créant un champ magnétique, et un rotor relié à l'objet utilisateur disposé entre les aimants. Les dents et les aimants sont disposés de façon décalée et hélicoïdale l'un par rapport à l'autre de manière que, lorsque le rotor tourne, une première dent sorte du champ magnétique au fur et à mesure que la dent suivant y entre, ce qui réduit considérablement un effet de couple de pulsation du rotor
Patent CA-2283752-C (CA)
Inventor: JACOBSON JOSEPH M
IPC: G02F1/16757
Filed: 1998-03-12
Granted: 2003-10-21
Abstract: An application-ready electrophoresis material includes a carrier and a dispersion of microcapsules therein, the microcapsules each containing a plurality of phases therein. At least some of the phases contrast visually a nd exhibit differential responsiveness to an electric field, such that application of the field determines the visual appearance of the microcapsules. The material exhibits stability such that the visual appearan ce persists despite removal of the field. In one aspect, the invention provides for enhanced stability of the visual appearance. In another aspect, the reflectivity of at least one of the phases is enhanced. In another aspect, o ne of the phases is particulate in nature and emits visible radiation.
Patent CA-2284480-C (CA)
Inventor: WIGMORE RICHARD
IPC: F16K11/065
Filed: 1998-02-05
Granted: 2006-11-28
Abstract: An improved valve construction comprising a molded valve body including a plurality of body sections (2a, 2b) each having a generally flat inner surface (3), and the inner surfaces (3) are disposed in contiguous relation along an interface. Each inner surface (3) is formed with a plurality of recesses (5-13, 24) that mate with and complement recesses (5-13, 24) in the inner surface of the other body section (3) to form a valve chamber (6) and a connecting fluid piston chamber (24) for receiving an actuator piston (23). A spool valve (20) disposed within the valve chamber (6) for sliding movement therein to control fluid flow to an external operating member (not shown), upon sliding movement of the piston (23) by pressurized fluid within piston chamber (24).