baber/WOPTO huggingface dataset:
Patent CA-2286244-A1 (CA)
Title: Split meter roller for agricultural air carts
Inventor: MEMORY RUSSELL
IPC: A01C19/00
Filed: 1999-10-14
Abstract: A metering system for an air cart is provided in which a portion, preferably one-half, of a meter roller can be selectively disengaged from a common drive input. The metering system typically comprises two roller halves located in a common housing. The driven half of the meter roller is directly rotated by the rotation of the drive input. In a preferred embodiment of the invention, the controlled half of the meter roller is engaged or disengaged from rotation by a wrap spring clutch. The drive input does not engage the controlled meter roller half directly. Instead, the drive input extends within a hollow shaft which extends through the controlled half of the meter roller with the drive input lying concentrically within it. When only half the meter roller is required, the operator can disengage the clutch and stop rotation of the controlled half of the meter roller without stopping the operation of the air cart. In other words, the drive input provides continued rotation of the driven half of the roller with rotation of the controlled half being dependent on activation and deactivation of the clutch. This unique design enables the meter assembly to be contained in a common housing while providing a simple means for controlling a portion, e.g. half, of the meter roller. The clutch may be remotely activated by the operator. Therefore, when the operator requires the entire meter roller to rotate, the clutch is engaged. When only half the meter roller is required, the operator can disengage the clutch and stop rotation of the controlled half of the meter roller without stopping overall operation of the air cart.
Patent CA-2286962-A1 (CA)
Title: Methods and issues in path provisioning on ring-based networks
Inventor: GROVER WAYNE
IPC: H04L12/701
Filed: 1999-10-19
Abstract: This research effort is driven by the growing interest of network operators in the ability to analyze the availability and cost of an end-to-end path construction in their networks, and to enable the operators to provide various levels of assured service availability to customers while keeping the cost to a minimum. The specific area of research is survivable ring networks (SONET bi-directional line switched ring) and, in particular, the use of matched-nodes (MN) and dual feeding (DF) configurations at inter-ring connection. The major focus of this thesis is to find a way to take advantage of the combined use of MN and DF which have different cost and availability properties under different circumstances. Path search strategies are proposed and implemented in a software prototype. Test cases results based on various requirements of cost and/or availability (with constraints) are presented and analyzed.
Patent CA-2287389-A1 (CA)
Title: Cookware lid and handle assemblies
Inventor: DECRAIM JEAN-MARIE
IPC: A47J36/06
Filed: 1999-10-26
Abstract: Cookware lid and handle assemblies include a lid which may include a whistle knob assembly which provides an audible indication upon reaching cooking temperature. The whistle knob assembly includes a steam deflector portion to reduce burn danger to the user, and has a simplified structure and assembly method. The vessel includes a pair of side handles, and the lid includes a pair of finger protectors which may overlie the side handles. Each set of side handle and finger protector have a unique mating relationship. As such, in the mated position a lid rim rest upon a vessel rim. The lid may be rotated 180 degrees to rest non-mating finger protector and side handles. This lack of mating relationship causes the lid to be spaced upward, permitting venting or draining of the interior. The finger protectors may also fit within a handle aperture in the side handle. The user may tilt the lid to insert the finger protector into the handle aperture, abutting the finger protector within the handle aperture, and permitting the lid to rest in an access position.
Patent CA-2289735-A1 (CA)
Title: Sound absorbing cementitious composition and method of making same
Inventor: CORNWELL CHARLES E
IPC: C04B38/10
Filed: 1998-05-01
Abstract: The invention relates to an improved sound absorbing cementitious composition and method of making involving a preformed foam solution made from a surfactant, such as an ammonium salt of a sulfated linear alcohol ethoxylate surfactant, preblended with water at a dilution ratio in a range of water to surfactant of from about 40:1 to 10:1. Thereafter, the preformed foam solution is combined with components including cement(s), aggregate(s), water and optional additives. The composition provides for an open cellular surface capable of absorbing sound.
Patent CA-2291065-A1 (CA)
Inventor: KATZ MICHAEL E
IPC: C07D411/12
Filed: 1998-05-21
Abstract: Methods of treating tumors mediated by raf kinase, with substituted urea compounds, and such compounds per se.
Patent CA-2293933-A1 (CA)
Title: Active database trigger processing using a trigger gateway
Inventor: LIEUWEN DANIEL FRANCIS
IPC: G06F17/30
Filed: 2000-01-05
Abstract: A database system includes a trigger gateway for implementing trigger functionality. The trigger gateway is located at a communication point between a user and a database system. The trigger gateway receives database commands destined for the database and processes triggers associated with the database commands. Where appropriate, the trigger gateway forwards the database command to the database. A trigger action server, which is located remote from the trigger gateway, may execute trigger actions in response to trigger execution requests sent from the trigger gateway. Alternatively, trigger actions may be executed within the trigger gateway. Trigger processing includes the processing of triggers after failed database commands. Security features are implemented to prevent unauthorized database access through the use of triggers.
Patent CA-2295000-A1 (CA)
Title: Dispositif et procede de rehydratation et d'extrusion
Inventor: SKINGSLEY JOHN DAVID
IPC: A47J37/12
Filed: 1998-06-18
Abstract: L'invention a trait à un dispositif (5) de réhydratation et d'extrusion permettant d'extruder un aliment fluide réhydraté. Ce dispositif comporte un cylindre (50) pourvu d'une filière d'extrusion (55) disposée au niveau de l'une de ses extrémités et comportant une pluralité d'orifices. Un piston (503) se déplace d'une extrémité à l'autre du cylindre (50), et un système mélangeur (530) est situé à l'intérieur du cylindre. Ce cylindre comporte des ouvertures (520, 521) permettant d'introduire un aliment en poudre et de l'eau. Des moteurs (56, 57) entraînent le piston (503) le long du compartiment allongé et font tourner le système mélangeur (530) autour du cylindre (50).
Patent CA-2295297-A1 (CA)
Title: Mobile communications system
Inventor: PERSSON GUNNAR
IPC: H04W16/18
Filed: 1998-06-26
Abstract: A base station, as is conventional, directs mobile stations within its cell to make measurements on channels used by neighbouring cells. The base station also directs the mobile stations to make measurements on an additional channel not used by a neighbouring cell. The additional channel is changed regularly. Measurements made on the additional channel are useful when assessing the potential impact of changes to the frequency reuse plan.
Patent CA-2296470-A1 (CA)
Inventor: HOLTE ARDIS L
IPC: E21B10/66
Filed: 1998-07-17
Abstract: An underreamer drill bit assembly including a pilot bit (82) and extendable underreaming arms (88) operatively connected to the pilot bit (82). The underreaming arms (88) have an extended position for underreaming, and a retracted position in which the overall diameter of the underreamer drill bit assembly is less than the inside diameter of the well casing, permitting the entire bit assembly to be withdrawn through the well casing. In another aspect of the invention, the bit assembly is operatively connected to a dual wall pipe assembly (12). A supply of compressed air is conducted through the annulus (24) of the dual wall pipe assembly (12) to a down hole pneumatic hammer (13). Exhaust air from the down hole hammer (13) is directed to the bit assembly for continuous removal of drilling debris through a central evacuation tube (43) of the dual wall pipe assembly.
Patent CA-2298095-A1 (CA)
Title: Lithium secondary battery
Inventor: TAKAHASHI MICHIO
IPC: C01G45/00
Filed: 2000-02-04
Abstract: A lithium secondary battery using a lithium manganese oxide for a positive active material having a cubic spinel structure which has a crystallite size of 58 nm or greater and/or a lattice distortion of 0.09% or less. The ratio of Li/Mn in the lithium manganese oxide is preferably greater than 0.5. In synthesizing the lithium manganese oxide, a mixed compound including salts and/or oxides of each of the elements is fired in an oxidizing atmosphere in a range of 650°C to 1000°C for 5 to 50 hours, with the properties of the crystal being improved by firing two or more times, preferably with an increase in firing temperature over the temperature of the previous firing.
Patent CA-2299151-A1 (CA)
Title: A loudspeaker
Inventor: GOLLER LARS
IPC: H04R7/12
Filed: 2000-02-17
Abstract: A special Hi-Fi tweeter having a ring-shaped dome portion with a retracted central portion fixed to the tweeter chassis was found to present an objectionable drop of re-sponse in the 18-20 KHz range. According to the invention this problem is eliminated or minimized in placing in front of said central area a forwardly projecting, gene-rally conical wave guide (18) that will minimize interfe-rences between sound waves radiated forwardly and inward-ly from the ring shaped dome. An alternative solution is to arrange, in front of a wider central portion, a shield member directly preventing external radiation from the critical central area, still without changing the shape of the diaphragm. However, also certain modifications are proposed, which may well be used in connection with ordi-nary dome speakers.
Patent CA-2299264-A1 (CA)
Title: Methods for seabed piston coring
Inventor: FRAZER HUGH IVO
IPC: E21B25/00
Filed: 1998-08-13
Abstract: A method of acquiring a core sample of seabed material into a core sampling tube having an upper end, a lower open end and a substantially cylindrical chamber extending therebetween, comprising the steps of urging the core sampling tube into the seabed and simultaneously withdrawing fluid from the upper end of the core sampling tube at a rate sufficient to cause the seabed material to be drawn into the core tube at substantially the same rate as the core tube penetrates the seabed.
Patent CA-2299526-A1 (CA)
Inventor: BOWKER STEVEN MARK
IPC: H02J9/02
Filed: 2000-02-25
Abstract: An emergency lighting unit with a receiver for receiving signals transmitted through space is disclosed. The unit has a light and a battery with charging circuitry for powering the light in the event of a mains failure. Control circuitry is provided which is capable of being switched between at least a first condition wherein the light is powered from a mains electricity supply, and a second condition wherein the light is powered by the internal battery. The lighting unit is also provided with a transmitter, a memory bank and monitoring circuitry such that when the lighting unit is caused to enter a test mode in which it is powered by the battery, various operating characteristics such as battery voltage, light output intensity, estimated remaining battery charge and time to depletion can be measured, and either stored in the memory bank or immediately transmitted to a hand-held transmitter/receiver device which can display the relevant information to a user. Alternatively, the user may arrive in the vicinity of the lighting unit well after the test mode has finished, and simply request the unit to transmit all the operating information stored in its memory bank. The transmission of information from the lighting unit is effected through space.
Patent CA-2300096-A1 (CA)
Inventor: AKHAVAN-TAFTI HASHEM
IPC: G01N33/535
Filed: 1998-08-12
Abstract: L'invention porte sur des méthodes et compositions génératrices de chimioluminescence par réaction avec l'enzyme peroxydase et sur de nouveaux composés à cet effet. Lesdits composés consistent en une liaison double C-C substituée en l'un des C par des groupes contenant deux atomes d'oxygène ou atomes de soufre. Les compositions comprennent le susdit composé à liaison double, un peroxyde, et facultativement une substance renforçant l'activité de l'oxydase en solution aqueuse; elles peuvent de plus contenir un tensio-actif non ionique, cationique ou les deux, accroissant la sensibilité de détection de la peroxydase. Lesdites méthodes et compositions génératrices de chimioluminescence servent au dosage des peroxydases et à des dosages utilisant des paires de liaisons spécifiques marquées par des enzymes.
Patent CA-2301138-A1 (CA)
Title: Proteine ressemblant au recepteur de l'immunoglobuline e de haute affinite
Inventor: BANDMAN OLGA
IPC: C07K16/28
Filed: 1998-08-20
Abstract: L'invention concerne une protéine ressemblant au récepteur de l'immunoglobuline E de haute affinité (IGERB) et des polynucléotides qui identifient et codent IGERB. Elle porte encore sur des vecteurs d'expression, des cellules hôtes, des agonistes, des anticorps et des antagonistes. Elle porte aussi sur des méthodes de traitement de troubles associés à l'expression d'IGERB.
Patent CA-2303622-A1 (CA)
Inventor: HUANG TAI-LONG
IPC: E06B9/386
Filed: 2000-03-31
Abstract: A slat is adapted for use in a window blind. The slat, which is formed integrally from a plastic material, includes an elongated slat body having top and bottom sides and opposite longitudinal edges, and a pair of elongated reinforcing units, each of which is formed integrally on and extends along a respective one of the longitudinal edges at the bottom side of the slat body.      The most illustrative drawing is Figure 3.
Patent CA-2305212-A1 (CA)
Inventor: MACDUFF JAMES
IPC: F16K31/02
Filed: 2000-04-13
Abstract: A method and apparatus for valve control to suppress "water hammer" are described. A valve closure control mechanism controls the action of a valve actuator to ensure that the valve is gradually closed. The gradual closing of the valve permits the water pressure to equilibrate in the water conduit upstream of the valve without imparting momentum energy to the valve, the conduit or the supporting structures of the conduit system.
Patent CA-2308315-A1 (CA)
Title: N,n'-bis(sulfonyl)hydrazines useful as antineoplastic agents
Inventor: SARTORELLI ALAN C
IPC: C07F9/12
Filed: 1998-10-21
Abstract: The present invention relates to a compound of formula (I) wherein R1 and R2 are selected from lower alkyl groups having 1-6 carbon atoms, substituted or unsubstituted aryl groups, and unsaturated alkyl groups having 1-6 carbon atoms; R3 is a substituted or unsubstituted lower alkyl group having 1-6 carbons; and R4 is selected from substituted or unsubstituted lower alkyl groups having 1-6 carbon atoms, substituted or unsubstituted aryl groups, and unsaturated alkyl groups having 1-6 carbon atoms. The present invention also relates to a pharmaceutical composition comprising the above compound, as well as a method of treating tumor cells with the compound.
Patent CA-2308571-A1 (CA)
Title: Hormones glycoproteiques bifonctionnelles a chaine unique
Inventor: BOIME IRVING
IPC: C07K16/26
Filed: 1998-11-09
Abstract: Agonistes et/ou antagonistes à chaîne unique des hormones glycoprotéiques. Ces protéines sont de formules (1) .beta.?1¿-(séquence de liaison?1¿)¿m?-.alpha.-(séquence de liaison?2¿)¿n?-.beta.?2¿, ou (2) .beta.?1¿-(séquence de liaison?1¿)¿m?-.beta.?2¿-(séquence de liaison?2¿)¿n?-.alpha. ou (3) .alpha.-(séquence de liaison?1¿)¿m?-.beta.?1¿-(séquence de liaison?2¿)¿n?-.beta.?2¿, dans lesquelles chacun de .beta.?1¿ et de .beta.?2¿ possède une séquence d'acides aminés de la sous-unité .beta. d'une hormone glycoprotéique de vertébré ou une variante de ladite hormone, .alpha. désigne la sous-unité .alpha. d'une hormone glycoprotéique de vertébré ou une variante de ladite hormone, "séquence de liaison" représente une fraction liée de manière covalente qui espace les sous-unités .beta.?1¿ et .beta.?2¿ d'une certaine distance par rapport à la sous-unité .alpha. et l'une de l'autre pour conserver ladite activité et chacun de m et n est indépendamment 0 ou 1.
Patent CA-2311759-A1 (CA)
Title: Recombinant mycoplasma hyopneumoniae vaccine
Inventor: HSU TSUNGDAS
IPC: A61P31/04
Filed: 1998-11-24
Abstract: A Mycoplasma hyopneumoniae protein prepared by recombinant DNA or synthetic means, DNA sequences coding for the protein, an expression vector and transformed host containing the DNA sequences, a vaccine based on the protein, a vaccine based on the DNA sequences, methods of treating swine to prevent enzootic pneumonia using the vaccines, and diagnostic tests based on the protein or antibodies raised against it for detecting the presence of Mhyo infection in swine herds.
Patent CA-2312360-A1 (CA)
Title: Dispositif d'alimentation pour fours a cuve electriques avec tube central abritant des electrodes
Inventor: LEMKE JOACHIM
IPC: F27B3/18
Filed: 1998-11-12
Abstract: L'invention concerne une unité d'alimentation pour des fours à cuve fermés, raccordés à une unité d'évacuation de gaz, notamment pour des bas fourneaux servant à la fusion de riblons d'acier. Cette unité d'alimentation comprend une unité de transport qui conduit à la tête de la carcasse supérieure et qui est intégrée au moins en partie dans l'atmosphère du four, ainsi qu'une unité de répartition de la charge. Un carrousel (31) pouvant recevoir la charge par l'intermédiaire d'une unité convoyeuse (21) est prévu dans la tête de four (13). Ce carrousel est guidé dans la tête de four (13) sur une glissière (65) fixée au niveau de l'enveloppe (18) de la carcasse supérieure (12) de façon à pouvoir tourner au-dessus de l'unité d'évacuation de gaz (17) et présente des éléments basculants (32) raccordés aux actionneurs (41).
Patent CA-2312409-A1 (CA)
Title: New derivatives of 7-oxo-2,3,7,14-tetrehydro-1h-benzo[b]pyrano[3,2-h]acridine carboxylate, the procedure for preparing same and the pharmaceutical compounds containing same
Inventor: MICHEL SYLVIE
IPC: A61K31/436
Filed: 2000-06-16
Abstract: 7-Oxo-2,3,7,14-tetrahydro-1H-benzo(b)pyrano(3,2-h) acridine derivatives (I), their salts with acids and bases, their isomers, N-oxides, their preparation, and pharmaceutical compositions containing them. The new compounds are of formula (I) X and Y = H, halogen, OH, SH, CN, NO2, 1-6C alkyl, alkoxy, or trihaloalkyl, amino (optionally by one or two 1-6C alkyl groups which may be substituted by alkoxy groups or by a group of formula NR7R8) or together form a methylenedioxy or ethylene dioxy group, the groups X and Y being present on either of the two adjacent benzene rings; R7 and R8 = H or 1-6C alkyl, aryl, or aralkyl; R1 = H or 1-6C alkyl; R2 = H, OH, 1-6C alkyl or alkoxy (optionally substituted by NR9R10, or by a 5-7 membered saturated or unsaturated mono- or bicyclic heterocycle having one or two hetero atoms selected from O, N, and S), alkyl carbonyloxy, or amino (optionally substituted by one or two alkyl, aryl, or aralkyl groups, an alkylcarbonyl group that may be substituted by NR7R8, a group -R11-NR9R10, an alkylene group substituted by a heterocycle, or a group -R11-CO-R12; R9 and R10 = H, or 1-6C alkyl or hydroxyalkyl; R11 = 1-6C alkylene; R12 = OH or 1-6C alkoxy; R3 and R4 = H or 1-6C alkyl; one or both of R5 and R6 = a group -O-CO-U-V, and if only one has this meaning the other represents a group Z; U = 1-8C alkylene, optionally substituted by one or more groups selected from aryl, OH, or 1-6C alkoxy; V = COOH, COOR13, OH, 1-6C alkoxy, -NR7R8, -NR7-COOR13, -NR7-CO-R13, -COR13, or CONR7R8; R13 = 1-6C alkyl optionally substituted OH, aryl, or aralkyl; Z = OH, 1-6C alkoxy, alkoxycarbonyl, alkylcarbonyloxy, arylcarbonyloxy, arylalkyl carbonyloxy, or amino optionally substituted by one or two alkyl groups
Patent CA-2315195-A1 (CA)
Title: Security system
Inventor: SEARLE ANDREW ROBIN
IPC: G07D11/00
Filed: 1998-12-22
Abstract: A security apparatus is provided for use with an automatic teller machine, the security apparatus (100) having coupling means (110, 150) for engaging the unit with a cash cassette of an automatic teller machine, and spoiling means (130, 132) for spoiling the contents of the cassette in response to a control means.
Patent CA-2316512-A1 (CA)
Title: Single antenna repeater and method of repeating a signal
Inventor: MYER ROBERT EVAN
IPC: H04B7/15
Filed: 2000-08-22
Abstract: The repeater includes a single antenna, connected to a first terminal of a three-terminal circulator, and an amplifier connected between the second and third terminals of the circulator. The circulating direction of the circulator is from the first terminal to the second terminal, the second to the third terminal, and the third terminal to the first terminal. The circulator supplies signals received by the antenna to the amplifier, and supplies the amplified received signals to the antenna for transmission.
Patent CA-2316930-A1 (CA)
Inventor: ROMINE RICHARD L
IPC: C25B9/19
Filed: 1999-11-04
Abstract: L'invention concerne dans un aspect une cellule électrolytique (1) et un procédé pour diminuer la consommation d'énergie d'une cellule électrolytique (1) présentant une capacité de courant nominale fixe. Ce procédé consiste à rééquiper une cellule électrolytique (1) de cathodes et d'anodes additionnelles pour diminuer la densité de courant global de la cellule. Dans le but de loger les anodes additionnelles, l'espacement entre cathodes (CS) peut être réduit et les cathodes peuvent également être reconfigurées pour constituer une structure tubulaire à cathodes (11) plus étroite, ce qui peut être réalisé par réduction de l'espacement entre les plaques cathodiques (12) opposées. Cette modification permet le fonctionnement de la cellule (1) à la capacité de courant nominale initiale avec une consommation d'énergie notablement réduite. Une nouvelle fabrication de cellule est également envisagée.
Patent CA-2317064-A1 (CA)
Title: Pharmaceutical composition for the prevention and treatment of nicotine addiction in a mammal
Inventor: COE JOTHAM WADSWORTH
IPC: A61K31/4745
Filed: 2000-08-25
Abstract: Pharmaceutical compositions are disclosed for the treatment of nicotine dependence or addiction, tobacco dependence or addiction, reduction of nicotine withdrawal symptoms or aiding in the cessation or lessening of tobacco use or substance abuse. The pharmaceutical compositions are comprised of a therapeutically effective combination of a nicotine receptor partial agonist and an anti-depressant or anxiolytic agent and a pharmaceutically acceptable carrier. The method of using these compounds is also disclosed.
Patent CA-2319126-A1 (CA)
Title: Speciated isotope dilution mass spectrometry of reactive species and related methods
Inventor: KINGSTON HOWARD M
IPC: G01N33/20
Filed: 1999-01-28
Abstract: A method of speciated isotope dilution mass spectrometry (SIDMS) which will permit determination of concentrations of one or more species from a sample even if the sample has been subjected to species conversion prior to species separation or degradation or incomplete separation exists. At least one predetermined stable isotope is spiked to convert the stable isotope to a speciated enriched isotope corresponding to the specie or species to be measured in the sample. The sample containing the species to be measured is spiked and the isotopic spiked specie and species to be measured are equilibrated. The species are separated from the sample and an isotope ratio determination for each specie to be measured is made. The species concentrations are then mathematically deconvoluted while correcting for species conversion and/or incomplete separation. The method may be employed to validate other methods. The method may also be employed in the preparation and analysis of speciated standard reference materials. The method may be employed in quantifying Cr(III) and Cr(VI).