baber/WOPTO huggingface dataset:
Patent CA-2326019-A1 (CA)
Title: Transducer interface arrangement including a sigma-delta modulator with offset correction and with gain setting
Inventor: VAN HERZEELE GEERT ERIC LINA
IPC: H03M1/50
Filed: 2000-11-16
Abstract: A transducer interface arrangement including sensor means (SM) for measuring a parameter such as temperature, pressure, ..., an Analog-to-Digital Converter (ADCb) including a Sigma-Delta Modulator (SDMb), and a selectable resistor string (SRSa). The data input of the Sigma-Delta Modulator is connected to the series combination of a first switched-capacitor module (SC1, SC1b), a first differential amplifier (A1), a second switched-capacitor module (SC2) and a second differential amplifier (A2), followed by a comparator (CP). The modulator further comprises a third (SC3) and a fourth (SC4) switched-capacitor module to which a reference voltage is applied and which are respectively connected to the input of the first and the second amplifier. To reduce the chip area and power consumption while increasing the performance of the arrangement, an offset canceling pre-amplifier to the A/D converter is advantageously replaced by a fifth switched-capacitor module (SC5), to which an offset voltage is applied.  The offset voltage is provided, together with the reference voltage, by the selectable resistor string (SRSa). In addition to the improved offset correction, the present transducer interface arrangement is also provided with simple gain setting means. To this end, gain setting modules consisting of one or more switchable capacitive branches coupled in parallel with existing capacitors in the first switched-capacitor module (SC1b). The more branches which are added, the higher the gain.
Patent CA-2328401-A1 (CA)
Title: Multi-partite ligands and methods of identifying and using same
Inventor: SEM DANIEL
IPC: G01N33/53
Filed: 1999-05-21
Abstract: The invention provides methods for generating a library of bi-ligands, comprising (a) determining a common ligand to a conserved site in a receptor family; (b) attaching an expansion linker to the common ligand, wherein the expansion linker has sufficient length and orientation to direct a second ligand to a specificity site of a receptor in the receptor family, to form a module; and (c) generating a population of bi-lingands comprising a plurality of identical modules attached to variable second ligands. The invention also provides methods for identifying a bi-target ligand to a receptor by combining a first bi-ligand to a first receptor in a receptor family and a second biligand to a second receptor in the receptor family. The invention additionally provides bi-ligands and bi-target ligands.
Patent CA-2329439-A1 (CA)
Inventor: SCHULTZ LEONARD S
IPC: A61M1/00
Filed: 1999-04-15
Abstract: An improved smoke evacuation system (10), a method for removing gaseous byproducts of surgical procedures, and noxious vapors from chemicals, is provided. The smoke, and vapor evacuation system includes a vacuum head (18) positioned at a surgical site or incorporated into a workstation. The vacuum head includes a plenum (28), a plenum support for preventing the plenum from collapsing when a vaccum or low pressure is established therein, and is adapted to facilitate the use of the system in a variety of surgical or commercial procedures at a variety of surgical sites or commercial workstations.
Patent CA-2329461-A1 (CA)
Inventor: VEZINA SYLVAIN
IPC: B65G65/23
Filed: 2000-12-20
Abstract: There is described a dumping device for use in a system for tumbling products, such as concrete blocks, bricks, paving stones or the like loaded in successive layers on a pallet. The dumping device comprise a pallet receiving structure pivotally mounted on a fixed frame, the structure including a tilting and a movable floor that receives the pallet with the layers of products thereon. The structure is first tilted to a predetermined angle corresponding to a product unloading position; thereafter, the floor is pushed intermittently so that the layers are unloaded in succession layer by layer onto a product conveying station and, thereafter, to a tumbler. Sensors are provided to indicate the presence or absence of the products at the conveying station and to give a signal to intermittently actuate the floor.
Patent CA-2335564-A1 (CA)
Inventor: CONRAD MICHAEL J
IPC: C09B57/00
Filed: 1999-07-09
Abstract: La présente invention concerne de nouveaux composés utilisés comme substrats fluorogènes pour les enzymes hydrolytiques. Lors de l'hydrolyse du groupe hydrolysable, on obtient une molécule substituée par halo-pyrène hautement fluorescente, hydrosoluble et présentant de nombreuses caractéristiques souhaitées, notamment un important déplacement de Stokes.
Patent CA-2336187-A1 (CA)
Title: Method of reporting merchant information to banks
Inventor: CANNON JONATHAN MICHAEL
IPC: G06Q40/00
Filed: 1999-06-15
Abstract: A method of reporting merchant information to banks via the World Wide Web includes compiling merchant information periodically into reports. The repor ts correspond to categories. The reports are then routed to a server (Fig. 1) operable with the World Wide Web. The World Wide Web is then browsed with a browser interface (Fig. 3) to display a list of the categories on a bank client station. A desired category from the list of categories is then selected at the bank client station. A list of reports corresponding to the desired category (Fig. 4) is then displayed. A desired report from the list of reports is then selected. The desired report is then displayed.
Patent CA-2336565-A1 (CA)
Inventor: SCHUER JOERG PETER
IPC: A61K8/34
Filed: 1999-07-13
Abstract: Composition antimicrobienne, utilisation de ladite composition pour améliorer la conservation et/ou stabiliser des produits périssables sous l'effet de microbes, utilisation de cette composition en tant qu'adjuvant de processus, ainsi que produits périssables sous l'effet de microbes, qui contiennent ladite composition antimicrobienne. Au moins l'un des constituants de cette composition est une substance aromatique hydrophile G.R.A.S. (généralement reconnue inoffensive).
Patent CA-2343149-A1 (CA)
Title: Film receptif a l'encre obtenu par co-extrusion
Inventor: LU PANG-CHIA
IPC: B29L7/00
Filed: 1999-09-09
Abstract: L'invention concerne un substrat de support d'images à base d'encre. Le substrat comprend un film thermoplastique co-extrudé possédant au moins une couche formée d'un polymère dérivé de polypropylène et une autre couche formée d'un polymère comportant un groupe fonctionnel acide. La couche comprenant le polymère dérivé de polypropylène est orientée dans au moins le sens machine. La couche comprenant le polymère comportant le groupe fonctionnel acide constitue la couche de réception d'impression. Le polymère comportant un groupe fonctionnel acide est de préférence un acide acrylique-éthylène ou un acide méthacrylique-éthylène. Une encre colorante liquide est imprimée de manière électrostatique sur la couche comprenant le polymère comportant un groupe fonctionnel acide. L'invention concerne en outre un procédé de formation du substrat de support d'images à base d'encre.
Patent CA-2343516-A1 (CA)
Title: Dispositif porte-piece
Inventor: CURTIS WILLIAM A
IPC: B23B31/02
Filed: 1999-09-02
Abstract: Ce dispositif porte-pièce comprend un raccord (66), lequel est fixé sur la seconde extrémité du corps extérieur (4) et présente une première extrémité pouvant être insérée dans la seconde extrémité du corps extérieur, ainsi qu'une seconde extrémité comprenant plusieurs tétons (70) espacés les uns des autres et s'étendant radialement vers l'extérieur. Le dispositif de l'invention comprend en outre une pince de serrage (32) placée au niveau de la première extrémité de l'alésage interne, ainsi qu'un élément de contraction (14) monté dans l'alésage interne. Cet élément de contraction (14) est mobile axialement et comprend une première extrémité (17) présentant au moins une surface inclinée (24), entrant en contact avec au moins une surface respective inclinée (30) de la pince de serrage (32), le mouvement axial de l'élément de contraction ouvrant ou contractant la pince de serrage. Cet élément de contraction présente une seconde extrémité comprenant plusieurs tétons (60) espacés les uns des autres et s'étendant radialement vers l'extérieur.
Patent CA-2344704-A1 (CA)
Inventor: SAMURIN NORMAN A
IPC: F04D29/40
Filed: 1999-09-01
Abstract: A method of manufacturing a nozzle assembly (10) and a nozzle formed thereby  in which first (12) and second body portions (14) are formed and connected together to form an enclosure (24), and one end of the enclosure (24) is connected to a flange assembly (16, 18).
Patent CA-2344995-A1 (CA)
Inventor: CHEN YAO-TSENG
IPC: C12Q1/68
Filed: 1999-10-04
Abstract: Cancer associated antigens have been identified by autologous antibody screening of libraries of nucleic acids expressed in renal cancer cells using antisera from cancer patients. The invention relates to nucleic acids and encoded polypeptides which are cancer associated antigens expressed in patients afflicted with renal cancer. The invention provides, inter alia, isolated nucleic acid molecules, expression vectors containing those molecules and host cells transfected with those molecules. The invention also provides isolated proteins and peptides, antibodies to those proteins and peptides and cytotoxic T lymphocytes which recognize the proteins and peptides. Fragments of the foregoing including functional fragments and variants also are provided. Kits containing the foregoing molecules additionally are provided.  The molecules provided by the invention can be used in the diagnosis, monitoring, research, or treatment of conditions characterized by the expression of one or more cancer associated antigens.
Patent CA-2345459-A1 (CA)
Title: Bicyclic signal transduction inhibitors, compositions containing them & uses thereof
Inventor: SHAKESPEARE WILLIAM C
IPC: C07F9/12
Filed: 1999-11-12
Abstract: This invention concerns compounds for inhibiting intracellular signal transduction, especially intracellular signal transduction mediated by one o r more molecular interactions involving a phosphotyrosine-containing protein. This invention also relates to pharmaceutical compositions containing the compounds and prophylactic and therapeutic methods involving pharmaceutical and veterinary administration of the compounds. The compounds are of the formula (I) as defined herein.
Patent CA-2349157-A1 (CA)
Title: Case member mounting structure
Inventor: IWATA KAZUYUKI
IPC: F16M1/00
Filed: 2001-05-24
Abstract: A case member mounting structure, in which a case member (5) is mounted to ari engine body (2, 3, 4) by fixing an outer circumference of the case meniber (5) to t:he engine body(2, 3, 4) with a plurality of fastening means (34) to cover a power transmission mechanism, includes at least one projecting portion (40, 41) which projects from one or both of the inner wall surface of the case member (5) and the outer wall surface of the engine body (2, 3, 4) for contact with the other, and a seal member (44) applied to the contact surface at the distal end of the projecting portion (40, 41).
Patent CA-2349962-A1 (CA)
Title: A doctor blade for the removal of dampening medium
Inventor: BAYER WOLFGANG
IPC: B41F31/00
Filed: 2001-06-08
Abstract: A doctor blade device for the removal of dampening medium from a soft surface of an ink applicator roller in the inking unit of a printing machine, having at least one doctor blade placed against the surface of the roller and having an edge radius in the range of 2 mm to 10 mm.
Patent CA-2351432-A1 (CA)
Inventor: HANSCHEN THOMAS P
IPC: C09J7/02
Filed: 1998-11-20
Abstract: Films useful as tape backings, and more particularly biaxially oriented polypropylene film backings and tapes including such backings. A brittle, biaxially oriented polypropylene film is provided by minimizing the nucleation density in the extruded and quenched polypropylene polymer cast sheet followed by maximizing the spherulitic growth rate of the resultant quenched polymer.  The cast sheet so formed is stretched at higher-than-normal temperatures in the subsequent orientation steps for producing the biaxially oriented polypropylene film. This produces a more brittle film. The polypropylene composition, extrusion temperature, cast roll temperature (i.e., quench temperature), and stretch temperature and other parameters are selected in accordance with the teachings herein such that the resulting backing or tape has the following preferred properties, taken individually or in any preferred combination: A) an MD tensile energy at break of up to about 90 N-mm/mm3; B) an MD elongation to break of at least 70 %; C) a puncture energy of up to about 130 N-mm; D) a dispense energy of up to about 350 N-cm/cm2; E) when dispensed on commercially available serrated plastic or metal dispenser blades, the serrated edge of the tape or backing closely follows the contour of the dispensing blade; and F) an ability to be torn by hand.
Patent CA-2351648-A1 (CA)
Inventor: KULHANEK EMANUEL
IPC: E21B19/22
Filed: 2001-06-25
Abstract: A continuous feed injection unit used for example for injection and removal of continuous well string from wells operates in a dual speed configuration. The unit comprises a first hydraulic motor, a second hydraulic motor, cooperating continuous well string gripping chains connected to be driven by the first and second hydraulic motors, a hydraulic power supply connected to provide pressurized fluid to the first and second hydraulic motors and a control system for the hydraulic power supply. The control system for the hydraulic power supply has a motor speed control valve with at least a first and second operating configuration, the first operating configuration providing power fluid to the first and second hydraulic motors in parallel and the second operating configuration providing power fluid to the first and second hydraulic motors in series. The hydraulic power supply may be a conventional power tong hydraulic supply.
Patent CA-2352381-A1 (CA)
Title: Clamp assembly for attaching panels to substrate
Inventor: MCGRATH RALPH D
IPC: F16B5/06
Filed: 1999-12-03
Abstract: A quick and easy technology for attaching, and facilitating reconfiguration (detachment and reattachment) of panels (404) to walls (510) that uses a clamp assembly (100) including a base (110), a receptacle (112) attached to the base (110) and a clasp (102, 502) that fits into and attaches to the receptacle (112). The clasp (102, 502) has resilient arms (106) and a head (108).  Insertion of the resilient arms (106) of the clasp (102, 502) into the receptacle (112) draws the head (108) towards the base (110), which produces a clamping action. Alternatively, the clamp assembly (800) includes a channel (804) having sidewalls (812) attached to a base (810) and at least one fastener (802) having a blade-like shank (806) and a head (808). The sidewalls (812) converge so as to be more closely spaced together at the opening of the channel (804) than at its base (810). At least one fastener (802) appears T-shaped in cross section, and is sized so that insertion of the blade-like shank (806) into the channel (804) widens the opening. Alternatively, the clamp assembly (100) includes a first clamping piece (1502, 1702) and a second clamping piece (1504, 1704) configured to cooperatively engage each other. The first (1502, 1702) and second (1504, 1704) clamping pieces include the members of a reclosable fastener pair, such as hook and loop connector pair (1706) or strips of mushroom-shaped stems (1508).
Patent CA-2354541-A1 (CA)
Title: Boost converter with reduced switching loss
Inventor: SYMONDS NEIL S
IPC: H02M3/156
Filed: 1999-12-17
Abstract: A low power loss boost converter (10) of the discontinuous conduction type includes an inductor (18) coupled between the boost converter (10) input and a junction, a current rectifier (20) coupled between the junction and the converter output, a switch (30) coupled between the junction and common, and a switch capacitor (46) coupled in parallel with the switch (30), the inductor (18) and an energy storage capacitance (40) associated with the input. The switch (30) is alternately opened and closed in switching cycles which alternately energize the inductor (18) and transfer the energy to the output load.      Power losses are reduced by providing switch closure at a near zero voltage and current switch conditions produced by a circuit resonance. The capacitor (46) reduces voltage across the switch during the switch open transient condition.
Patent CA-2356583-A1 (CA)
Title: Torch for powder plasma buildup welding
Inventor: ONITSUKA YOSHIMI
IPC: B23K15/00
Filed: 2001-09-04
Abstract: A torch for powder plasma buildup welding capable of readily attaining welding in conformity to any size of a pipe material to be subjected to welding, any configuration thereof and the like. A torch head is replaceably connected to a torch body. The torch body is provided with a gap formation spacer member which is abutted against an inner peripheral surface of the pipe material to keep a distance between an opening of a convergent nozzle of the torch head and the inner peripheral surface of the pipe material substantially constant during buildup welding. Also, the torch body is provided with a deflection restraint spacer member which is abutted against the inner peripheral surface of the pipe material to prevent deflection of the torch body in the pipe material during buildup welding.
Patent CA-2357244-A1 (CA)
Inventor: LUBYK WILLIAM
IPC: G01M3/02
Filed: 2001-09-12
Abstract: A test plug for testing the integrity of a pipe includes a blind flange for mating with a pipe flange, a compression mandrel having a conical recess, an expander having a conical surface which mates with the compression mandrel and an elastomeric annular seal positioned between the compression mandrel and the expander. Removeable compression rings of different sizes may be attached to the test plugs and used with different sizes of annular seals. The expander is actuated by a rod which extends through the compression mandrel and to the exterior of the test plug. Installation of the test plug isolates and seals an end portion of the pipe. Fluid under pressure may then be pumped into the isolated segment to test for pressure integrity.
Patent CA-2360811-A1 (CA)
Title: Cyanate esters having flame resistant properties
Inventor: AMONE MICHAEL JAMES
IPC: C09K21/14
Filed: 2000-02-29
Abstract: The present invention relates to novel aromatic cyanate ester compounds containing at least two rings linked by a group containing an unsaturated group. The present invention further relates to compositions and prepolymers  of said novel aromatic cyanate ester compounds. The present invention furthe r relates to a process for preparing said compounds and cured articles resulti ng from curable mixtures thereof.
Patent CA-2362810-A1 (CA)
Inventor: HATLO ANDREAS
IPC: E21B33/038
Filed: 2000-02-10
Abstract: A subsea completion comprises a wellhead (10) having a side wall through whi ch extends a production fluid conduit (30). The completion further comprises a flow control package (82) removably located externally of the wellhead and containing at least one production flow control valve; an end of the production flow conduit (30) being releasably coupled to the flow control package (82) by a subsea matable connector (34, 84). A controls cap may be secured to the top of the wellhead (10), connected to a nearby controls interface by jumpers (122). Service lines are led downhole through the controls cap.
Patent CA-2363811-A1 (CA)
Title: Downhole drilling assembly with independent jet pump
Inventor: HUGHES W JAMES
IPC: E21B21/12
Filed: 2001-11-27
Abstract: A Down Hole Drilling Assembly (DHDA) is disclosed that induces artificial lift to remove the drilling and production fluid from a well bore during drilling operations by means of a single or multiple hydraulic jet pumps attached to a concentric string of casing. The DHDA includes a drill string and drill bit that passes through the jet pump assembly so that the power fluid is separated from the drilling or production fluid until after it has passed through the nozzle of the jet pump. The jet pump assembly is joined to a concentric casing string. The jet pump also contains a bladder element that inflates or expands to redirect the flow of the drilling and production fluid from the inner or return annulus into the jet pump assembly. The purpose of the jet pump assembly is to artificially lift and remove fluid thereby lowering the fluid level within a well bore to a point where the hydrostatic pressure exerted by the column of fluid near the bottom of the well is lower than the pore pressure of the formation being drilled thereby creating an under balanced condition.
Patent CA-2364306-A1 (CA)
Inventor: BOISVERT PAUL
IPC: E03D3/10
Filed: 2000-02-22
Abstract: L'invention concerne un W.C. à système d'eau efficace (10) comprenant un réservoir sous pression (12) relié à une source d'eau (22) par l'intermédiaire de conduits (18). Ce W.C. comporte une valve (14) reliée de manière fonctionnelle aux conduits. L'ensemble W.C. possède une cuvette (28) avec des parois intérieures, qui comprend un réservoir inférieur (32) relié à un siphon (34) et un rebord supérieur renfermant un canal (38). Le canal est pourvu de plusieurs ouvertures (50) et le réservoir inférieur de la cuvette possède des trous de passage (40). Ces trous de passage, ainsi que le canal du rebord supérieur de la cuvette, sont connectés à la valve par un premier et un second conduit (42, 44). Lorsqu'on tire la chasse en ouvrant la valve, un flux d'eau à phases est introduit dans le W.C. Ce flux inclue un flux d'eau initial et un flux d'eau intermédiaire.
Patent CA-2366599-A1 (CA)
Title: Treatment of hepatitis c using hyperthermia
Inventor: WESTERBECK TODD
IPC: A61P31/04
Filed: 2000-12-20
Abstract: Published without an
Patent CA-2368314-A1 (CA)
Title: Trabeculotomy device and method for treating glaucoma
Inventor: BROWN REAY H
IPC: A61M25/00
Filed: 2000-04-26
Abstract: Surgical catheter devices and methods for decompressing elevated intraocular pressure in eyes affected by glaucoma by performing a selected trabeculotomy from within Schlemm's canal.
Patent CA-2370181-A1 (CA)
Title: Extruded polystyrene foam insulation laminates for pour-in-place concrete walls
Inventor: LONG ROBERT T
IPC: E04C2/288
Filed: 2000-04-28
Abstract: By using a thermal insulation foam/film laminate wherein each major planar surface of a foam panel has a facer film bonded thereto that meets certain performance criteria rather than a foam panel by itself, composite walls that have a foam panel sandwiched between concrete layers can be made with fewer steps.
Patent CA-2376594-A1 (CA)
Title: High efficiency, air bottoming engine
Inventor: GRAY CHARLES L JR
IPC: F01N5/02
Filed: 2000-07-06
Abstract: An air bottoming powertrain, suitable for use in automobiles includes an internal combustion engine (18), a compressor (1) which receives gaseous working fluid and compresses it to an elevated pressure, a cooler (16) for operating the compressor isothermally, an expander (4) for deriving work from the compressed gas and a heat exchanger (3) located in the compressed gas line for indirect heat exchange between the compressed working fluid and exhaust gas from the internal combustion engine. The expander may have a cylindrical barrel with a plurality of cylinders arranged in a circle and open at one end face of the cylinder barrel, which end face is sealed closed by a valve plate.  The cylinder barrel and valve plate allow relative rotation therebetween to drive an output shaft, driven by compressed gas from the compressor.