baber/WOPTO huggingface dataset:
Patent CA-2287895-C (CA)
Title: Improved oscillator circuit and method of forming same
Inventor: SALVI RAUL
IPC: H03B5/12
Filed: 1999-02-20
Granted: 2003-04-01
Abstract: An oscillator circuit (100) provides improved noise immunity by utilizing a differential common base configuration. The oscillator includes a differential transistor pair (102, 104) having common bases (110) coupled through an AC  ground (108) and emitters coupled through a differential common mode point (120). First and second resonant tank circuits are each referenced to the differential common mode point (120) for generating a differential output (OUT, OUTX).
Patent CA-2289961-C (CA)
Inventor: SHIOZAWA SHUNICHI
IPC: C07H21/00
Filed: 1998-04-10
Granted: 2009-03-31
Abstract: The application provides genes causative of rheumatoid arthritis, which are located within ~ 1 centimorgan from DNA sequences to which the microsatellite markers D1S214, D1S253, D8S556, DXS1001, DXS1047, DXS1205, DXS1227 and/or DXS1232 are hybridized: a method for diagnosing rheumatoid arthritis, comprising amplifying the genomic DNA of a subject by PCR using at least one of the microsatellite markers as primer and comparing the PCR products thereof with the PCR products prepared in the same manner using the genomic DNA of a normal control; and a method for identifying the causative factors of rheumatoid arthritis comprising the same as described above.
Patent CA-2291786-C (CA)
Title: Systeme en ligne, a alerte rapide, de detection d'initiation d'emballement, mettant en oeuvre des techniques de la theorie du chaos
Inventor: ZALDIVAR JOSE MANUEL
IPC: G01K3/00
Filed: 1998-05-19
Granted: 2006-07-11
Abstract: La présente invention concerne un système en ligne, à alerte rapide, permettant de détecter l'initiation de l'emballement d'un réacteur chimique discontinu. Ce système comprend des moyens (12) pour mesurer la température dans le réacteur et/ou son enveloppe, en différents points, et à différents instants. Ce système comporte aussi des moyens (3 à 5) pour déduire de ces derniers des critères correspondants aux conditions d'emballement dangereuses. Selon la présente invention, les moyens de déduction (3 à 5) comprennent des moyens (5) pour définir l'évolution d'une zone du système dans l'espace de phase reconstruit, selon la formule (I): div [F(t)] = (1/t) 1n area (P1t+ DELTA t, P2t+ DELTA t, P3t+ DELTA t)/area (P1t + P2t + P3t). Dans cette dernière formule, area correspond à la zone du parallélogramme donnée par les points P1, P2, P3 à l'instant t et t+ DELTA t respectivement, et des moyens (8,9) pour lancer une alarme si div[F(t)]>0.
Patent CA-2293915-C (CA)
Title: High surface area adsorbents and method of preparation
Inventor: LANGENMAYR ERIC JON
IPC: B01J20/30
Filed: 1999-12-29
Granted: 2002-07-16
Abstract: A process for the preparation of high surface area, low-swelling macroporous polymeric adsorbents is disclosed. The use of organic sulfonic acids to provide postcrosslinking of macroporous copolymers eliminates the need for traditional organic swelling solvents and Lewis-acid catalysts used to provide conventional macronetted polymers. In particular, methanesulfonic acid provides macroporous polymeric adsorbents having high surface area and porosity, low levels of residual vinyl groups, and free of residual contaminants from conventional Lewis-acid/Friedel-Crafts reactions.
Patent CA-2295603-C (CA)
Title: Symmetrically-secured electronic communication system
Inventor: DENT PAUL W
IPC: G06Q30/06
Filed: 1998-06-19
Granted: 2008-01-29
Abstract: Techniques for providing secure electronic communications, for example communications relating to asset trading, are described.  Symmetrical usage of encryption keys by first and second parties engaged in these communications provide enhanced security. The establishment of trusted registries, e.g., databases, which include electronic asset representations, allow for trades to be enacted without significant human intervention.
Patent CA-2297058-C (CA)
Title: Electrode means, with or without functional elements and an electrode device formed of said means
Inventor: PEDE DANILO
IPC: H01L27/28
Filed: 1998-07-13
Granted: 2006-06-20
Abstract: In an electrode means for addressing of a functional element (7) a layer (4) of electrical isolating material is provided between first and second electrodes (1;2) intersecting without direct physical or electrical contact and forming a bridge structure. Over both electrodes (1,2) an electrical conducting or semiconducting contact layer (10) of organic material is provided and contacts both electrodes (1,2) electrically.      In an electrode means with detecting, information storing and/or information indicating function an electrically addressable functional element (7) is provided adjacent to or in the intersection between the electrodes (1,2).      In an electrode device (13) comprising two or more electrode means (26) of this kind, the electrodes (1, 2) form patterned layers of row and column electrodes in a 2-dimensional matrix, wherein the contact layer (3) forms a patterned or integrated global layer and functional elements (7) which each registers with an electrode intersection in the matrix, are provided in one or more patterned or non-patterned layers. Use in an optical or electronic camera, in a chemical camera, in an electrically addressable memory device or electrically addressable data processing device, and in an electrically addressable display device.
Patent CA-2301268-C (CA)
Inventor: WILL JAMES T
IPC: C04B14/02
Filed: 1998-08-07
Granted: 2007-11-20
Abstract: A method for coloring cementitious systems using compacted inorganic granules, wherein said compacted inorganic granules comprise an inorganic pigment and a dispersing agent. Particularly, a method for coloring cementitious systems using compacted inorganic granules;  wherein said compacted inorganic granules are produced by a process consisting of: (a) mixing an inorganic pigment and a dispersing agent, (b) compacting the mixture, (c) milling the compacted mixture, and (d) classifying the compacted mixture into at least one oversize material stream, at least one undersize material stream and at least one product stream of compacted inorganic granules; and wherein the coloring effect of the compacted inorganic granules in the cementitious system equals or exceeds the powder standard.
Patent CA-2303048-C (CA)
Title: Procede de securite pour transmissions dans des reseaux de telecommunications
Inventor: RAIVISTO TOMMI
IPC: H04L9/32
Filed: 1998-09-15
Granted: 2006-09-05
Abstract: L'invention concerne un procédé destiné à assurer une sécurité de connexion aux transmissions entre des correspondants dans un réseau de télécommunications, le procédé comprenant les étapes consistant à effectuer l'échange de paramètres de sécurité entre les correspondants, à assurer une sécurité de connexion aux messages sur la base de ces paramètres de sécurité, et à effectuer la transmission desdits messages entre les correspondants. Le procédé de l'invention présente la caractéristique de comprendre également les étapes consistant à obtenir un accord entre les correspondants sur un intervalle de recalcul des paramètres de sécurité, à faire contrôler l'intervalle de recalcul aux correspondants, à recalculer les paramètres de sécurité à l'intervalle convenu, et à assurer une sécurité de connexion aux messages sur la base des derniers paramètres de sécurité recalculés.
Patent CA-2306429-C (CA)
Inventor: PATOISEAU JEAN-FRANCOIS
IPC: C07D253/075
Filed: 1998-10-14
Granted: 2010-03-30
Abstract: The invention concerns novel cyclohexane derivatives difunctionalised in 1,4 of general formula (I) in which A represents a group such as (IIa) in which Ar itself represents an aromatic structure such as phenyl or pyrimidinyl optionally substituted by one or several groups such as C1-C3 alkyl, C1-C3 alkoxy, trifluoromethyl or halogen (IIb); B represents a heterocyclic group such as: 3,5-dioxo-(2H,4H)-1,2,4 triazine substituted in position 2 (IIIa); 3-oxo-(2H)-1,2,4 triazine substituted in position 5 (IIIb); 3,5-dioxo-6-amino-(2H,4H)-1,2,4-triazine (IIIc) in which R represents a C1-C3 alkyl group. The invention also concerns the salts of compounds of general formula I with pharmaceutically acceptable acids. It also concerns the various "cis" and "trans" isomers and the various enantiomers with asymmetric carbons.
Patent CA-2306506-C (CA)
Inventor: FLAKS JASON S
IPC: G10K15/00
Filed: 2000-04-25
Granted: 2006-10-31
Abstract: An audio communications and control system includes a plurality of audio devices each of which includes a device interface module for communication of digital audio data and control data from at least one of the devices to at least one other of the devices. A universal data link is operatively connected to each of the device interface modules. The device interface modules and universal data links are operative in combination to connect the devices together in the system and provide full duplex communication of the digital audio data and control data between the devices.
Patent CA-2309972-C (CA)
Inventor: GUPTA RAMESH
IPC: C07C7/11
Filed: 1999-09-03
Granted: 2009-10-06
Abstract: A hydroprocessing process is disclosed which includes two hydroprocessing reaction stages represented by vessels (12) and (14), both of which produce a liquid and vapor effluent represented by lines (42) and (54), and a liquid vapor contacting stage. The first vapor effluent contains impurities, such as heteroatom compounds, which are removed from the vapor by contact with processed liquid effluent derived from one or both reaction stages in contact vessel (20) and optionally also liquid recovered from processed vapor. The first and contact stage liquid effluents are passed into the second stage vessel (14) to finish the hydroprocessing. The contact and second stage vapor effluents are cooled to recover additional hydroprocessed product liquid in lines (58) and (64).
Patent CA-2311090-C (CA)
Inventor: LEE HAN-SEN
IPC: E06B7/086
Filed: 2000-06-09
Granted: 2004-03-30
Abstract: Several embodiments of the shutters employ a variety of synergistic features which may be used individually or in combination to produce a shutter capable of more completely shutting out light. One aspect is the use of a two-step overlapping end to provide a complementary fit in order to shut out light. Another aspect is the use of an angled engagement pin which engages the louver not at its edge, but into its main expanse and nearer the center of pivot of each louver. Another aspect is the use of an accommodation space to accommodate the "U" shaped attachment member of the simultaneous actuation handle, which accommodation space can vary in size and depth to accommodate structures extending from the simultaneous actuation handle. Regardless of relative size, the louvers, engagement pins, and simultaneous actuation handle can be disciplined to form a neater appearance on the shutter assembly.
Patent CA-2314705-C (CA)
Inventor: LEVEY KENNETH
IPC: F16B37/04
Filed: 2000-07-28
Granted: 2004-07-06
Abstract: An anchoring device having a plate member with a fastening member on a first side thereof, and a utility member fastening portion disposed on the anchoring device, for example a threaded aperture. The anchoring device is fastened to portion of a panel devoid of openings, and an anchoring device locating indicium is disposed on a side of the panel opposite the anchoring device, in alignment therewith. The fastening member may be a plurality of teeth each having a distal tip portion protruding from a side of the plate member and oriented at a non-perpendicular angle relative thereto, preferably about an aperture. A plurality of material deformation clearances are disposed on the plate member so that one of the plurality of material deformation clearances is aligned with a corresponding one of the plurality of teeth, adjacent to the tip portion thereof.
Patent CA-2323714-C (CA)
Inventor: DESCHAMPS GEORGES-PAUL
IPC: E01C9/08
Filed: 1999-03-19
Granted: 2009-05-19
Abstract: The invention concerns a device for rolling out on the floor a rolled stored temporary surface covering (1), characterised in that it combines the temporary surface covering (1) and at least a flexible tube (2) pressed against said covering (1) inner surface over substantially the whole length thereof and jointly rolled up with the covering, said flexible tube (2) being capable of being connected, at the rolled assembly free end, to a source of fluid under pressure (5) for inflating it.
Patent CA-2332319-C (CA)
Title: Dissolution stage for an environmental scanning electron microscope
Inventor: PALERMO PHILIP J
IPC: G01Q30/08
Filed: 1999-05-21
Granted: 2004-07-13
Abstract: A system is provided for imaging, in an ESE microscope or other variable pressure microscope, a single sample at various time intervals during dissolution of the sample in a liquid. The system includes a sample chamber (10) having a sample well. The sample well includes a first fluid port and a second fluid port for forming a dissolution bath in the sample well. In accordance with the system according to the present invention, the sample chamber (10) is placed into the specimen chamber of the ESE microscope and a sample is deposited into the sample well of the sample chamber. The sample is immersed in a liquid which flows through the sample well via the first and second fluid ports during a dissolution cycle. The liquid is then drained from the sample well via one of the first and second fluid ports during a draining cycle, and then, during an imaging cycle, the sample is imaged by the ESE microscope. The dissolution cycle, the draining cycle, and the imaging cycle all occur while the sample well is inside the specimen chamber (10) of the ESE microscope.
Patent CA-2332864-C (CA)
Title: Lasers a solide pompes verticalement par des diodes a geometrie variable
Inventor: BULL DOUGLAS J
IPC: H01S3/094
Filed: 1999-05-24
Granted: 2008-06-10
Abstract: L'invention concerne un procédé et un dispositif qui permettent de pomper le milieu de gain laser d'un barreau laser comportant un premier axe longitudinal. Au moins une source (42) de lumière de pompage transmet une lumière de pompage au barreau laser (12). La source comporte un second axe longitudinal (46) perpendiculaire au premier axe longitudinal (14). Le rayonnement provenant des différents réseaux de diodes laser est collimaté et orienté uniquement verticalement par rapport au milieu de gain. Des réflecteurs (38) focalisent le rayonnement collimaté émis par le réseau de diodes sur le milieu de gain, de façon à assurer un fonctionnement en mode fondamental ou en mode transverse électromagnétique (TEM00). Le milieu de gain et les réflecteurs peuvent être refroidis simultanément par les fluides appropriés à l'intérieur du dispositif. On peut allonger le dispositif de façon à y placer une pluralité de réseaux de diodes laser orientés verticalement, ce qui permet d'accroître la puissance de la pompe laser.
Patent CA-2339753-C (CA)
Title: Broadcast program receiving apparatus and control method thereof
Inventor: NAKAMURA KOICHI
IPC: H04N5/445
Filed: 2001-03-02
Granted: 2005-08-16
Abstract: The present invention detects that a viewed broadcast program becomes unviewable due to a viewing restriction and automatically selects another predefined viewable broadcast program. The present invention also uses the same screen to display a message notifying that a viewed broadcast program becomes unviewable due to a viewing restriction and a selected viewable broadcast program.
Patent CA-2347155-C (CA)
Title: Method and device for the horizontalpositioning of serially conveyed, flat objects
Inventor: STUDER BEAT
IPC: B65H29/28
Filed: 2001-05-09
Granted: 2010-06-01
Abstract: For the horizontal positioning of serially supplied, flat objects (1) to be conveyed onward, the objects (1) are supplied suspended, one of their main surfaces (10) facing downstream and the other main surface (11) facing upstream. Prior to positioning, lower edge zones (13) of the objects (1) are selectively accelerated or retarded relative to the upper edge zones (12), so that the objects (1) are brought into a position inclined relative to the vertical. Thereupon the upper edge zones (12) are released and the objects (1) with the assistance of the force of gravity are positioned on an onward conveying means, selectively either the downstream or the upstream main surface (10 or 11) facing upwards. For retarding. resp., accelerating the lower edge zones (13), for example, a conveyor belt or two conveyor belts adjoining one another is or are utilized, the speed (v.3) of the conveyor belts being adjustable for a conversion from accelerating operation to retarding operation. The principle advantage of the method and device described is the easy convertibility. Method and device, for example, can be utilized for collating printed products or printed part products.
Patent CA-2354773-C (CA)
Title: Cyanoethylation of cycloaliphatic vicinal primary diamines
Inventor: BURDENIUC JUAN JESUS
IPC: C07C255/31
Filed: 2001-08-02
Granted: 2005-05-10
Abstract: A process for the cyanoethylation of substituted cycloaliphatic vicinal diamines which comprises reacting acrylonitrile and a diamine in the presence water as catalyst. Cyanoethylated methylcyclohexylamines are readily prepared in the presence of water.
Patent CA-2358721-C (CA)
Inventor: HERZFELD DAVID
IPC: H01H71/52
Filed: 2001-10-12
Granted: 2013-05-28
Abstract: A signaling system employing indicator lamp means and an audible alarm is employed to remind a user to periodically test his GFCIs and to provide information regarding the status of the GFCI. The power lines that supply the GFCI with power are also coupled to the circuits on the PCB to disconnect power to those circuits of the GFCI that trips due to faults or tests.
Patent CA-2358885-C (CA)
Inventor: CAMUS PHILIPPE
IPC: A61P43/00
Filed: 2000-01-28
Granted: 2007-04-17
Abstract: Le N-pipéridino-5-(4-bromophényl)-1-(2,4-dichloro phényl)-4-éthylpyrazole-3-carboxamide, ses sels et solvants sont des puissants antagonistes des récepteurs aux cannabinoïdes CB1. Ils sont préparés par réaction d'un dérivé fonctionnel de l'acide 5-(4-bromophényl)-1-(2,4-dichlorophényl)-4-éthylpyrazole-3-carboxylique avec la 1-aminopipéridine puis salification éventuelle.
Patent CA-2361892-C (CA)
Inventor: WEICHSELBAUM RALPH
IPC: A61K35/763
Filed: 2000-02-04
Granted: 2010-05-25
Abstract: La présente invention des méthodes de traitement du cancer par l'administration d'une dose efficace de l'Herpès simplex virus modifié.
Patent CA-2362557-C (CA)
Title: Ozoniseur et methode de production d'ozone
Inventor: BORGSTROM JAN
IPC: B01J19/08
Filed: 2000-03-03
Granted: 2009-12-22
Abstract: L'invention concerne un générateur d'ozone et un procédé de génération d'ozone, consistant à soumettre de l'oxygène à un courant alternatif à fréquence élevée, au moyen d'une tension élevée sur un diélectrique. Afin d'obtenir un générateur de conception simple, compacte et bon marché, capable d'augmenter sa puissance, d'améliorer son efficacité de conversion, et d'empêcher sa dégradation ou la diminution de son efficacité, ledit générateur comprend une unité d'admission à compensation de pression reliée à au moins deux plaques (2, 2') d'un matériau diélectrique, une électrode (4) placée entre les deux plaques sur laquelle un courant alternatif à fréquence élevée est appliqué au moyen d'une tension élevée, et deux espaces étanches (1, 1') qui permettent de générer de l'ozone sur les côtés opposés de ladite unité d'admission (1, 2', 4) . Les espaces étanches (1, 1') se trouvant sur les côtés opposés des plaques (2, 2') de matériau diélectrique sont délimités par une électrode (3, 3') refroidie, mise à la terre, par l'intermédiaire de laquelle un gaz oxygène ou un gaz riche en oxygène est fourni aux espaces (1, 1') et l'ozone est conduit vers l'extérieur. Grâce à cet appareil, le gaz oxygène ou le gaz riche en oxygène peut être amené sous pression dans les chambres étanches (1, 1') situées sur les côtés opposés de l'unité d'admission (2, 2', 4) à compensation de pression.
Patent CA-2371261-C (CA)
Inventor: PUTNEY GORDON A
IPC: B25B23/142
Filed: 2000-04-20
Granted: 2009-09-15
Abstract: A torque indicating wrench (10) has a resilient beam (11) with a handle end (14) and a work-engaging end carrying a ratchet mechanism (13). The resilient beam is generally channel-shaped in transverse cross section and is tapered in thickness from the work-engaging end to the handle end. A reference beam (20) is disposed in the channel and has first and second ends respectively pivotally coupled to the work-engaging and handle ends of the resilient beam. The reference beam has openings adjacent to its first and second ends to facilitate pivotal coupling to the resilient beam while substantially eliminating non-pivotal relative movement in use. A handle housing (50) encloses the beams along substantially their entire lengths and is fixed to the resilient beam only adjacent to its handle end. The reference beam carries a Hall-effect sensor (46) disposed between magnets (48) on the resilient beam and coupled to electronic indicating circuitry including a display viewable through a window in the housing and push-button switches operable through apertures in the housing.
Patent CA-2374603-C (CA)
Title: Methods of preventing scaling involving inorganic compositions, and compositions therefor
Inventor: LING TIEN-FEING
IPC: F28F19/01
Filed: 2000-06-13
Granted: 2007-10-23
Abstract: Methods for inhibiting scale deposits in an aqueous system. The method may include at least one of adding and forming anti-scalant in the aqueous syste m such that an amount of anti-scalant in the aqueous system is up to about 100 0 ppm, wherein the anti-scalant comprises at least one or polyvalent metal silicate and polyvalent metal carbonate, wherein the aqueous system has a pH of at least about 9, and wherein a mean particle size of the anti-scalant is less than about 3 microns. The method includes at least one of adding and forming anti-scalant in the aqueous system, wherein the anti-scalant compris es at least one of polyvalent metal silicate and polyvalent metal carbonate, an d adding copolymer of maleic anhydride and isobutylene. Compositions therefor.
Patent CA-2375570-C (CA)
Title: Process and apparatus for separating a gas mixture with emergency operation
Inventor: ZAPP GERHARD
IPC: B01D53/00
Filed: 2002-03-08
Granted: 2010-11-02
Abstract: The process and the apparatus serve for separating a gas mixture in a separation plant. A feed gas (18) is introduced into a compressor system (6, 16) and then into the separation plant. In the event of loss or partial loss of the compressor system (6, 16) of the first feed gas compressor (6), a first auxiliary stream (91, 92) which has approximately the composition of the first product stream or approximately the composition of the feed gas is compressed (78, 89) to at least approximately the first pressure and is recirculated to the separation plant.
Patent CA-2376190-C (CA)
Inventor: SCHLITZER HANS RAINES
IPC: F16K35/00
Filed: 2000-06-08
Granted: 2006-08-01
Abstract: An automatically-locking bypass valve (10) of the type including a valve body (12), an inner member (11) in sliding engagement with the valve body (12) and having a bypass opening (48), the valve body (12) and inner member (11) having first and second vacuum-reactive surfaces (18a and 18b respectively), and a spring (60) between the valve body (12) and the inner member (11) against which the vacuum-reactive surfaces (18a and 18b respectively) move axially relative to each other. The valve body (12) has a guide (26) and the inner member (11) has a guide-follower (50) which is (a) slidably engaged with the guide (26) in one rotational alignment with the valve body (12) in a normal operating range of relative axial positions of the valve body (12) and inner member (11) and (b) out of sliding engagement with the guide (26) beyond such normal operating range. The spring (60) is in rotational tension such that it rotates the valve body (12) into a locked bypass position with respect to the inner member (11) when the guide (26) and guide-follower (50) are out of sliding engagement.