baber/WOPTO huggingface dataset:
Patent CA-2241842-A1 (CA)
Title: Sizing obturator for prosthetic aortic valves
Inventor: DESERAN LISA
IPC: A61B5/107
Filed: 1997-01-02
Abstract: An aortic valve sizing obturator apparatus for employment in determining the correct size of an aortic annulus. The apparatus includes a cylindrical obturator body with a flange member formed thereabout. At least the under surface of the flange member is of a non-planar, multi-curvate configuration to thereby be complementary in shape to the annulus of an aortic valve when seated in the annulus during size determination.      Within the cylindrical obturator body can be disposed a handle connector to which a handle can be attached during placement of the obturator apparatus within an annulus. The present invention also includes methodology for determining the size of an aortic valve annulus by employing a plurality of differently-sized aortic valve sizing obturators defined above and individually seating them sequentially within the aortic annulus until an obturator that reflects annulus size is located.
Patent CA-2241870-A1 (CA)
Title: Macrocyclic compounds made from suboxide units
Inventor: KEREK FRANZ DR
IPC: A61K31/35
Filed: 1996-12-30
Abstract: Bioregulatory active substances with macrocyclic structural frame which is synthesized from carbon suboxide by cyclooligomerization and additional formation of macroring structures are specified. These active substances are used as such and/or as stable adducts with other known substances. The characterization of these active substances are described as well as their organic and inorganic derivatives, methods for their synthetic production, their isolation and purification. The application of these active substances for enzyme regulation and bioregulation, medicinal compositions containing these active substances as well as their use in diagnostics and therapy is also described.
Patent CA-2243336-A1 (CA)
Inventor: STENGER JENNIFER L
IPC: B32B3/06
Filed: 1998-07-15
Abstract: A tank for storing a pressurized gas including walls of a layered material 15 and continuous fibrous bundles of fibers (16) woven through the walls of layered material (15). The continuous fibrous bundles (16 and Fig. 8) have first ends (17) that extend over a first wall of material (15), pass through the first wall of material (15), extend through the interior of the tank (11), pass through another wall of the material (15) and have second ends (17) that extend over the other wall of the material (15). Other bundles of fibers (18, 20) can be woven between different walls of the tank (11) in a similar pattern to produce complex three dimensional shapes (Figs. 3-8). In another embodiment (Fig. 9), a reinforced composite structure (29) is formed by opposed layers of material (30, 32) extending over a core (28) and continuous bundles (34) are woven in a repeating pattern through the opposed layers (30, 32) and the intermediate core (28) to form the reinforced composite structural member (29).
Patent CA-2245282-A1 (CA)
Inventor: CHO YU-LING
IPC: B25H3/02
Filed: 1998-08-10
Abstract: A kit toot box includes a plurality of independent elements, and a plurality of coupling elements. The independent elements each have a plurality of holes, and can be assembled to form a tool kit by using the coupling elements. The kit tool box can be transported or stored in a disassembled state so as to reduce storage space and transportation costs.
Patent CA-2249139-A1 (CA)
Inventor: ROSS ROBERT C
IPC: E21B43/10
Filed: 1998-10-01
Abstract: An apparatus and method are disclosed that allow for downhole expansion of long strings of rounded tubulars, using a technique that expands the tubular from the top to the bottom. The apparatus supports the tubular to be expanded by a set of protruding dogs which can be retracted if an emergency release is required. A conically shaped wedge is driven into the top of the tubing to be expanded. After some initial expansion, a seal behind the wedge contacts the expanded portion of the tube. Further driving of the wedge into the tube ultimately brings in a series of back-up seals which enter the expanded tube and are disengaged from the driving mandrel at that point. Further applied pressure now makes use of a piston of enlarged cross-sectional area to continue the further expansion of the tubular. When the wedge has fully stroked through the tubular, it has by then expanded the tubular to an inside diameter larger than the protruding dogs which formerly supported it. At that point, the assembly can be removed from the wellbore. An emergency release, involving dropping a ball and shifting a sleeve, allows, through the use of applied pressure, the shifting of a sleeve which supports the dog which in turn supports the tubing to be expanded. Once the support sleeve for the dog has shifted, the dog can retract to allow removal of the tool, even if the tube to be expanded has not been fully expanded.
Patent CA-2249463-A1 (CA)
Title: System for controlling access to a function, using a plurality of dynamic encryption variables
Inventor: AUDEBERT YVES
IPC: G06F21/35
Filed: 1997-03-21
Abstract: A system including a first unit (2) consisting of a card capable of interacting with a second unit (3) that enables access to a function (1) only under certain conditions. Both units are designed to run software for generating passwords by encrypting a plurality of dynamic variables simultaneously but separately generated in the units. The passwords thus generated must have a predetermined relationship, e.g. identity, for access to be enabled. Encryption is performed in both units (2, 3) by public encryption algorithms using a dynamic key that is altered after each access request made using the card, depending on the number of access requests previously received.
Patent CA-2250923-A1 (CA)
Title: Oligonucleotide treatments and compositions for human melanoma
Inventor: ZUPI GABRIELLA
IPC: A61K38/00
Filed: 1997-03-24
Abstract: The invention generally provides for compositions and methods of inhibiting the proliferation of human melanoma cancer cells. By administering a therapeutically effective amount of a c-myc oligonucleotide to a human melanoma cancer cell, melanoma cancer cell proliferation can be arrested or inhibited, metastases reduced from a tumor, and apoptosis induced in melanoma cancer cells. Oligonucleotides that are complementary to c-myc polynucleotides are referred to herein as "c-myc oligonucleotides". A particularly efficacious embodiment of the invention relates to compositions and methods concerning the co-administration of c-myc oligonucleotides and cisplatin.
Patent CA-2252995-A1 (CA)
Title: Manual cut-off system and method for passive safety devices
Inventor: TSUBONE KENJI
IPC: B60R21/015
Filed: 1998-12-01
Abstract: A manual cut-off system makes it possible to manually change operability of each of a plurality of passive safety devices, including air bags. The system aims at accurately maintaining operability of each of the passive safety devices until the air bags are required to operate. If a multistage switch for changing operability of each of the passive safety devices, including air bags, assumes a position for preventing operation of predetermined ones of the passive safety devices, ignition signals are prevented from being outputted to squibs corresponding to those predetermined passive safety devices. A CPU detects a state of the multistage switch based on the voltage between a common contact and a connecting portion of resistors. The thus-detected state of the multistage switch is stored in an IC memory.
Patent CA-2255607-A1 (CA)
Title: A novel reaction for high performance (bi,pb)2sr2ca2cu3oy composites
Inventor: MICHELS WILLIAM J
IPC: H01B12/04
Filed: 1997-05-21
Abstract: The present invention provides a (Bi,Pb)SCCO-2223 oxide superconductor composite which exhibits improved critical current density and critical current density retention in the presence of magnetic fields. Retention of critical current density in 0.1 T fields (77K, ab plane) of greater than 35 % is disclosed. Significant improvements in oxide superconductor wire current carrying capacity in a magnetic field are obtained by subjecting the oxide superconductor composite to a post-processing heat treatment which reduces the amount of lead in the (Bi,Pb)SCCO-2223 phase and forms a lead-rich nonsuperconducting phase. The heat treatment is carried out under conditions which localize the lead-rich phase at high energy sites in the composite.
Patent CA-2259985-A1 (CA)
Inventor: SCHADE KLAUS
IPC: H01M10/0568
Filed: 1997-08-11
Abstract: The invention relates to a LiPF6 production process, wherein LiF is reacted with PCl5 or PCl3 at a temperature of -20 to 300 ~C for a reaction time of 0.1 to 10 hours to give LiPF6, and LiPF6 is isolated as a solution from the reaction mixture, using ether, nitrile, sulphone, carbonate, halogenated hydrocarbon and/or tertiary amines as the solubilizing agent.
Patent CA-2262221-A1 (CA)
Title: Valve construction
Inventor: COX DONALD W
IPC: F16K31/00
Filed: 1999-02-15
Abstract: An improved snap action valve construction is disclosed in which stiffening ribs are provided on the snap blade in an area adjacent the valve member carried thereby to aid in resisting flexing of the blade in this area.  Additionally, a rib may be provided on the snap blade to provide a pivotable line contact between the snap blade and associated valve member to ensure better sealing engagement with the valve seat. In one embodiment stiffening ribs are also provided on a compensator blade in the area of attachment to the active blade to provide increased resistance to flexing in this area due to heat transfer from the active blade.  In another embodiment, the compensator blade is secured to the snap blade in spaced relationship to the active blade so as to limit heat transfer therebetween.
Patent CA-2262362-A1 (CA)
Title: Stable dispersions of metal passivation agents and methods for making them
Inventor: MCLAUGHLIN JOHN R
IPC: C10G11/02
Filed: 1997-07-25
Abstract: A process for passivating contaminating metal on a hydrocarbon cracking catalyst is provided. The catalyst is contacted within a hydrocarbon catalytic cracking unit with a stabilized dispersion. The dispersion comprises a fluid vehicle, a dispersion agent, and finely milled particles of one or more metals or metal compounds for passivation of metal-contaminated cracking catalysts. The dispersion is preferably produced by a process wherein an agitated media mill is loaded with comminuting media, fluid vehicle, dispersion agent and particles of a metal or metal compound for passivation of metal-contaminated cracking catalysts. The comminuting media, fluid vehicle, and particles are then agitated until the particles are reduced in size by at least 10 % and have a volumetric average particle size of less than 0.5 microns.
Patent CA-2263111-A1 (CA)
Inventor: FLICK KLEMENS
IPC: C07C255/25
Filed: 1997-08-21
Abstract: The invention concerns catalysts suitable for preparing aliphatic alpha-, omega-aminonitriles by partial hydrogenation of aliphatic dinitriles, containing: (a) metallic cobalt, a cobalt compound or their mixtures, the metallic cobalt portion being between 20 and 100 wt % relative to (a); (b) between 10 and 70 wt %, relative to (a), of metallic iron, iron oxide, a further iron compound or their mixtures, the iron oxide portion being between 20 and 100 wt % relative to (b); and (c) between 0 and 1 wt %, relative to (a), of a compound based on an alkali metal, alkaline earth metal or zinc.
Patent CA-2264562-A1 (CA)
Title: Sustained peptide-release formulation
Inventor: SCHOBER PAUL ADAM
IPC: A61K9/70
Filed: 1997-09-01
Abstract: A pharmaceutical and/or veterinary formulation for sustained release of a peptide agonist or analogue, comprising about 2-15 % (w/w) of at least one peptide agonist or analogue other than deslorelin (on an active basis), about 0.5-3.5 % (w/w) lecithin and the balance sterin. The formulation preferably comprises a GnRH agonist or analogue and is used for the treatment of various conditions where suppression of sex hormone levels is beneficial, particularly prostate cancer, ovarian and breast cancer, and benign prostatic hyperplasia in dogs.
Patent CA-2266108-A1 (CA)
Title: Iterative demapping
Inventor: TEN BRINK STEPHAN
IPC: H04L27/38
Filed: 1999-03-18
Abstract: The invention comprises a method and apparatus for iteratively decoding a multilevel modulated signal in which the soft output information of a channel decoder is fed back and utilized by a tailored soft demapping device in order to improve the decoding result by further iterative decoding steps. The receiver includes a demapper for generating a demapped signal, bit deinterleaver for generating a demapped and deinterleaved signal and a decoder for generating soft reliability values representative of the decoded signal. These soft reliability values are then bit interleaved and fed back to the demapper, as a priori knowledge, for use in fiuther iterations of the decoding process.
Patent CA-2268836-A1 (CA)
Title: Self-levelling apparatus for a seat
Inventor: CARLGREN KLAS
IPC: F16C17/02
Filed: 1997-10-03
Abstract: A self-levelling apparatus for a seat comprises a base (21, 22, 27), a seat levelling assembly (2, 18, 19, 41) displaceably connected with the base, and a reversible electrical motor (40) disposed between the seat and the base for rotation of the seat levelling assembly around an axis about parallel with the base. The seat levelling assembly is disposed between the base and the axis. The motor shaft (42) extends parallel with the axis and engages with a flexible actuation means, such as a roller chain, fixed at its one end at the base. The apparatus also comprises a positional detection means for control of the motor. The apparatus further comprises arcuate co-operating seat and base bearing elements (2; 22) of which at least one has a surface defined by rotation of a straight, curved or irregular line around the axis, such as a cylinder or cone segment surface.
Patent CA-2268965-A1 (CA)
Inventor: RUSSELL TONY ALBERT
IPC: A01G1/04
Filed: 1997-10-15
Abstract: Mushrooms harvested from a growing bed are deposited on a carrier having a plurality of individual recesses (13) each for receiving an individual mushroom (14) by supporting the under-side of the cap with the stalk projecting downwardly. The carrier, when fully loaded with mushrooms, is moved into a compartment of a multi-compartmented storage structure configured to allow the flow of air therethrough. The structure is then moved into a cold room so that all of the carried mushrooms are cooled down to the optimum storage temperature. Only when the mushrooms are to be despatched for sale are the carriers removed from the storage structure and the stalks of the mushrooms trimmed to the required length whereafter the mushrooms are suitably packed for despatch and sale.
Patent CA-2272153-A1 (CA)
Inventor: WINSLOW DONALD W
IPC: E21B33/129
Filed: 1999-05-17
Abstract: A packer apparatus for sealing between a tubing string and a casing in a wellbore is disclosed. The packer apparatus includes a seal assembly disposed about a packer mandrel.      Upper and lower seal wedges are disposed about the packer mandrel above and below the seal assembly and may be inserted between the seal assembly and the packer mandrel to radially expand the seal assembly into engagement with the casing. The seal assembly includes an expandable elastomeric seal element having anti-extrusion bridge elements disposed in recesses at the upper and lower ends thereof. The anti-extrusion elements form an almost complete circle and thus are arcuately shaped having first and second ends with a gap therebetween. The anti-extrusion bridge elements are preferably automatically radially retractable elements so that when the seal wedges are removed from between the seal assembly and the packer mandrel, the automatically radially retractable anti-extrusion elements will apply a radially inwardly directed force sufficient to cause the seal assembly to radially retract and close around the packer mandrel.
Patent CA-2272279-A1 (CA)
Title: Method and apparatus for sending an announcement to caller
Inventor: HUANG QILIN
IPC: H04M7/00
Filed: 1997-11-24
Abstract: An apparatus in a local switch or in an advanced intelligent network determines whether a called party is a subscriber of a Send Announcement to Caller subscriber feature whenever a called party receives a call. The apparatus also determines whether the feature is presently activated. If it is, either a selected standard announcement or a customized announcement is played to the calling party. The customized announcement which must be prerecorded, allows a subscriber to give a calling party specific guidelines about whether the calling party should hang up or even bother to call back. In a business environment, this announcement can be used to play a trademark slogan or an advertisement. The call routing process is suspended for a specified amount of time to give the calling party enough time to respond. After specified amount of time has expired, the call routing process is completed.
Patent CA-2273114-A1 (CA)
Inventor: LAM JOE CHUA SZE
IPC: H01R12/82
Filed: 1999-05-26
Abstract: A low insertion force multi-pin connector for a flat flexible cable includes an insulative housing, conductive terminals mounted in the housing and a slide member which is laterally inserted into the housing to press a flat flexible cable against contact arms of the terminals. The terminals have pin portions which protrude through a header side of the housing. The connector is mounted to an external surface of an electrical device such that the header side of the housing projects outwardly to provide external electrical connection to the pin portions of the terminals.
Patent CA-2273257-A1 (CA)
Title: Hydraulic turbine with helical blades
Inventor: JANSEN WILLEM
IPC: F03B3/02
Filed: 1997-11-25
Abstract: A hydraulic turbine that in-cludes a turbine runner that reduces fish mortaliy as the fish pass through hydroelectric power stations. The turbine runner includes at least two turbine runner blades included in a corkscrew configuration.    Signifi-cantly, the corkscrew blades are ex-ceptionally long in the overall direc-tion of fluid flow through the tur-bine. In accordance with preferred embodiments, fluid flow to the run-ner from the inlet is mixed flow;  the fluid flow at the outlet is di-rected substantially axially. In cer-tain highly preferred embodiments of the turbine runner: the ratio of the sum of the leading edge lengths to the runner diameter is less than 1.0, the ratio of each blade run-ning length to the runner diameter is greater than 1.0, the ratio of each blade running length to the respec-tive blade width is greater than 3.0, the ratio of the axial length to the runner diameter is greater than 0.6, and the turbine runner (at its best efficiency point): is at least 80 %  efficient and achieves a rate of pres-sure change less than 80 psi/second along substantially the entire length of the runner blades, and the minimum absolute pressure maintained along the main fluid flow path is 4 psia when the trailing edges are located at a tailwater elevation.
Patent CA-2274230-A1 (CA)
Inventor: CHANG STANLEY F
IPC: A61B1/31
Filed: 1997-12-03
Abstract: La présente invention concerne un passe-endoscope (10) permettant de maintenir droit le colon sigmoïde pendant une endoscopie facilitant ainsi la progression du coloscope ou d'endoscopes médicaux d'autres types jusqu'au caecum. Ce dispositif utilise un joint étanche distal (22) fait de matériau spongieux venant fermer l'espace libre entre l'endoscope et le passe-endoscope (10) au niveau de son extrémité distale de façon à éviter la perforation du colon. Le joint étanche distal (22) peut être de forme conique ou tronconique pour faciliter encore plus la progression du passe-endoscope (10) dans le colon et pour éviter autant que possible la perforation du colon. Une substance hydrophile lubrifiante vient minimiser le frottement entre l'endoscope et le passe-endoscope (10). Un second joint étanche (32) monté à l'extrémité proximale du passe-endoscope (10) permet, d'une part d'empêcher les pertes du fluide contenu dans le passe-endoscope (10), et d'autre part de guider l'introduction de l'endoscope dans le passe-endoscope (10). Un orifice d'injection (60) vient permettre au manipulateur de l'endoscope, d'injecter le fluide servant à lubrifier le joint distal (22), à écarter le colon pour la progression du passe-endoscope (10), et à dégager le passage du passe-endoscope (10) dans le colon.
Patent CA-2274872-A1 (CA)
Title: Ink jet cartridge, ink jet head and printer
Inventor: IKEDA MASAMI
IPC: B41J2/175
Filed: 1993-07-21
Abstract: An ink jet cartridge includes a first chamber for accommodating a negative pressure producing material and provided with air communication part for communication with ambient air, wherein a part of the negative pressure producing material does not contain ink adjacent the air communication part; a second chamber which is substantially closed except for a fine communication part for communication with the first chamber at a position away from the air communication part, wherein the second chamber directly accommodates the ink to be supplied to the first chamber.
Patent CA-2276486-A1 (CA)
Inventor: KREBS ROBERT R
IPC: C08J5/18
Filed: 1999-06-25
Abstract: A composition and adhesive film of a thermosetting resin and a terpolymer of an .alpha.-olefin, carbon monoxide and an ethylenically unsaturated carboxylic ester monomer, wherein the melt temperature of the terpolymer is less than the set temperature of the thermosetting resin. The film may be applied to a substrate to provide for an adhesive backing. The film may also be utilized to adhesively bond first and second substrates together.
Patent CA-2282084-A1 (CA)
Title: Radiation indicator device
Inventor: JACKSON STUART A
IPC: G01J1/50
Filed: 1999-09-10
Abstract: A radiation indicator device for use in indicating exposure to ultraviolet-B radiation. The device includes a radiation sensitive mixture which is selectively responsive to ultraviolet radiation having a wavelength substantially within or shorter than the range of wavelengths of ultraviolet-B radiation. The radiation sensitive mixture includes an organic halogen constituent capable of producing at least one acidic product upon exposure to ultraviolet radiation and an indicator constituent capable of producing a change in colour in response to a change in concentration of the acidic product. The radiation sensitive mixture has a first colour representing a relatively low concentration of the acidic product and has a second colour representing a relatively high concentration of the acidic product. The first colour is visually distinguishable from the second colour. The device may also include a graphic pattern interposed amongst the radiation sensitive mixture, which graphic pattern has a graphic pattern colour substantially identical to either the first colour or the second colour.
Patent CA-2283195-A1 (CA)
Title: Secreted proteins and polynucleotides encoding them
Inventor: RACIE LISA A
IPC: A61P21/00
Filed: 1998-03-13
Abstract: Novel polynucleotides and the proteins encoded thereby are disclosed.
Patent CA-2287161-A1 (CA)
Title: Gestion des ressources d'une connexion dans un reseau atm
Inventor: SO TRICCI
IPC: H04L12/70
Filed: 1998-04-22
Abstract: L'invention concerne des techniques de gestion des besoins en ressources d'une connexion d'un réseau ATM. Ces techniques ajoutent un nouvel élément d'information au message "d'établissement" existant ainsi qu'un nouveau message de signalisation permettant de compléter le message existant Q.2725.2/Q.2963.2 (modification de la connexion) qui est généré par l'utilisateur qui lance la connexion. Lorsqu'un événement nécessitant une modification du besoin en ressources concernant une connexion active se présente, un quelconque élément de réseau de l'utilisateur appelé ou du réseau lui-même envoient un message indiquant la modification de la ressource à l'utilisateur ayant lancé la connexion qui, après réception de ce message, entame les procédures Q.2725.2/Q.2963.2 (modification de la connexion), les procédures de libération de la communication ou les procédures de réacheminement.