baber/WOPTO huggingface dataset:
Patent CA-2134462-C (CA)
Title: Grafting of monomers onto polyolefins in presence of organic peroxides
Inventor: KELLY PETER YATES
IPC: C08F255/00
Filed: 1994-04-22
Granted: 2005-11-15
Abstract: A method for the grafting of a monomer onto a polyolefin in the presence of an organic peroxide is disclosed. The polyolefin is a polyolefin that, when molten, undergoes cross-linking in the presence of the organic peroxide. The method comprises: (a) admixing the polyolefin in an extruder with 25 to 6000 ppm, based on the weight of the polyolefin, of an organic peroxide coated onto a carrier polymer and up to 5%, by weight of the polyolefin, of a grafting monomer capable of being grafted onto the polyolefin in the presence of the organic peroxide. The admixture is heated to a temperature above the melting point of both the polyolefin and the carrier polymer under admixing conditions to effect grafting of said grafting monomer onto the polyolefin, said carrier polymer undergoing chain scission in preference to cross-linking in the presence of the organic peroxide at said temperature.      Grafted polyolefin is extruded from the extruder. The method may be used to produce grafted polyolefins with lower levels of gels and specks, especially for use in films and adhesives.
Patent CA-2137368-C (CA)
Inventor: KORNACKER KARL
IPC: G06N3/00
Filed: 1993-05-07
Granted: 2001-12-25
Abstract: A knowledge tree building system iteratively partitions a database (28a-28n) of case records into a tree of conceptually meaningful clusters (74).     Each cluster (74) is automatically assigned a unique conceptual meaning in accordance with its unique pattern of typicality and exceptionality within the knowledge tree (28); no prior domain-dependent knowledge is required. The system fully utilizes all available quantitative and qualitative case record da-ta. Knowledge trees built by the system are particularly well suited for artifi-cial intelligence applications such as pattern classification and nonmonoton-ic reasoning.
Patent CA-2143732-C (CA)
Inventor: PARFENIE MIHAI
IPC: A46B7/04
Filed: 1995-03-01
Granted: 1999-07-27
Abstract: A toothbrush includes a handle and a brush head removably connected to the handle. There is a spring for biasing the brush head away from the handle. A latch normally secures the brush head on the handle. There is a release mechanism for selectively releasing the latch, whereby the spring ejects the brush head away from the handle.
Patent CA-2147380-C (CA)
Title: Atomic command system
Inventor: MATHENY JOHN R
IPC: G06F3/048
Filed: 1993-12-10
Granted: 2000-07-18
Abstract: A method and apparatus for an atomic command system is disclosed.Atomic commands are used to coordinate coorelated controls. Atomic commands that affect the data immediately contain a command that contains a selection that specifies real model data. As a user manipulates a dialog, the command causes its data to change. As the data changes, it sends change notification so that views and controls, depending on the state of the data, accurately reflect the current state of the data. Commands acting independently from one another represent actions that can be individually backed out after a control panel or dialog session is complete. Other sets of dialogs are designed to work together and are undone and redone as an atomic operation. This processing is accomplished by placing a mark on an undo stack when the dialog box is started. When processing is completed, either by dismissing the control panel or when die user presses an OX button, all of the commands executed since the mark was placed on the undo stack are collected together into a single command group.
Patent CA-2151866-C (CA)
Inventor: DELPUCH ALAIN MICHEL
IPC: G06T1/00
Filed: 1995-06-15
Granted: 2004-03-30
Abstract: A method for asynchronously maintaining an image on a display device is disclosed which comprises the following steps.      First, a drawing request is received from the application program.      Then a drawing area of the image is determined in response to the received drawing request and the drawing area is inserted into a list of drawing areas. A screen update request is then received from the application program. In response to this received screen update request, a drawing area is retrieved from the list, and all graphic objects are redrawn if any portion of the graphic object lies within the retrieved drawing area.
Patent CA-2152947-C (CA)
Inventor: SAMMARCO ANTHONY J
IPC: H04W4/06
Filed: 1994-11-01
Granted: 1999-11-30
Abstract: A communications system in which information is transmitted in successive time slots grouped into a plurality of superframes which are, in turn, grouped into a plurality of hyperframes. A remote station (120) is assigned to one of the time slots in each of the superframes for paging the remote station, each hyperframe including at least two superframes, and the information sent in the assigned time slot in one superframe in each hyperframe is repeated in the assigned time slot in the other superframe(s) in each hyperframe. Each superframe can include a plurality of time slots used for sending paging messages to remote stations, grouped into a plurality of successive paging frames, and the time slot to which the remote station is assigned is included once in every paging frame. Also, each superframe may include time slots comprising a logical channel for broadcast control information and time slots comprising a logical paging channel.
Patent CA-2154973-C (CA)
Title: Apparatus for securing bus bars to switches in alternative positions
Inventor: PARKS DAVID ALLEN
IPC: H02G5/00
Filed: 1995-07-28
Granted: 2003-01-21
Abstract: Rectangular bus bars alternatively engaged in either of a pair of crossed slots in a support block secured in a panel board are locked in place by a locking device incorporated in a cylindrical terminal portion of each bus bar. The locking device includes an expandable ring seated in a circumferential groove in the cylindrical terminal portion. A pair of actuating pins are urged radially outward in diametrically opposed bores to wedge the expandable ring against the support block, by a tapered screw threaded into a central longitudinal bore in the terminal portion of the bus bar.
Patent CA-2155810-C (CA)
Inventor: BANKS SCOTT A
IPC: H02P1/42
Filed: 1995-08-10
Granted: 2003-04-15
Abstract: An apparatus and method for starting and controlling a motor comprises a timing circuit and a main control circuit. The timing circuit initiates a start-up period upon detecting power and provides an indication of the start-up period.  The main control circuit receives the indication of the start-up period and applies variable magnitudes of power to a main winding of the motor.  During the start-up period, the power applied to the main winding has a fixed, substantially maximum magnitude.  During a period of normal operation following, the power applied to the main winding has a user-adjustable magnitude.  The start-up period duration is as long as necessary for the motor to overcome a starting load thereon. Preferably, the timing circuit has a timer measuring the start-up period and a main relay signaling the start-up period to the main control circuit.  Preferably, the apparatus also has a start-up relay and a start-up control circuit applying power to a start-up winding of the motor in addition to the power applied by the main control circuit to the main winding during the start-up period.
Patent CA-2158107-C (CA)
Inventor: LUCAS DANIELLE
IPC: C08K5/00
Filed: 1995-09-12
Granted: 2007-03-20
Abstract: The invention relates to a tire with a rubber tread which is primarily reinforced with silica where the rubber of the said tread is composed of an elastomer base of at least three butadiene based synthetic rubbers comprised of two isoprene/butadiene copolymer elastomers having spatially defined Tg's, and a cis 1,4-polybutadiene elastomer.
Patent CA-2175569-C (CA)
Inventor: BERLOWITZ PAUL J
IPC: C10M169/04
Filed: 1994-12-13
Granted: 2004-02-17
Abstract: Composition de lubrifiant pour turbo-moteur à combustion utilisé dans l'aviation, comprenant une composition antioxydante formée du produit de réaction de rapports molaires spécifiques de diphénylamines et de M-aryle naphthylamines en présence de quantités contrôlées d'un peroxyde organique. Cette composition antioxydante est principalement constituée d'homo-oligomères de diphénylamines et d'oligomères croisés de diphénylamines et de M-aryle naphthylamines.
Patent CA-2175850-C (CA)
Inventor: ORLOWSKI DAVID C
IPC: F16J15/447
Filed: 1996-05-06
Granted: 2006-11-28
Abstract: A mechanical labyrinth seal for rotating shafts having first and second ring members. The first ring member, includes a series of annular axially extending grooves and flanges. The second ring member is adopted for insertion into said first ring member with a plurality of complimentary inwardly extending flanges and grooves to form a well known labyrinth seal. There is a slot or channel through the labyrinth or maze connecting the exterior atmosphere to the interior of the seal assembly. The second ring member is adapted to rotate with the shaft and includes an annular recess near the shaft and inwardly toward the housing. There is a plurality of radial holes drilled in the first ring member to be opposite the recess in said second ring member and a plurality of pin members are inserted into the holes in said first ring member and are inserted into the recess of said second ring member. The recess being slightly larger in axial direction than the pin members. Thus, the seal permits axial movement of the shaft while maintaining the labyrinth seal integrity and during a predetermined amount of movement, and upon reaching the limit of said movement, the pins accommodate the axial thrust of the shaft movement. The pins are made of a material having natural lubricity and have only point contact with the walls of the recess, thereby reducing the amount of friction and wear in absorbing the axial thrust.
Patent CA-2176139-C (CA)
Title: Procede et appareil pour recueillir un echantillon cellulaire contenu dans un echantillon liquidien
Inventor: GORDON JULIAN
IPC: G01N33/48
Filed: 1994-11-22
Granted: 1998-09-01
Abstract: Un procédé et un appareil pour recueillir un échantillon cellulaire contenu dans un échantillon liquidien mettent en oeuvre un récipient collecteur (10) dans lequel est déposé l'échantillon, un milieu filtrant (20) étant mis en communication avec un orifice d'évacuation (14) dans le récipient collecteur (10), ainsi qu'un dispositif de transfert (40) permettant de prélever l'échantillon dans le récipient collecteur (10) et de le faire passer à travers le milieu filtrant (20) en vue de recueillir sur ce dernier le constituant cellulaire de l'échantillon afin de définir un échantillon cellulaire destiné à l'analyse. Le récipient collecteur (10), le milieu filtrant (20) et son support (18) ainsi que le dispositif de transfert (40) peuvent être livrés en kit pour être utilisés en milieu clinique. Un récipient hypobare peut être utilisé et le dispositif de transfert (40) ainsi que ce récipient (40) peuvent également servir de récipient d'élimination pour l'échantillon liquidien filtré par le milieu filtrant (20).
Patent CA-2176641-C (CA)
Inventor: KAYSER FRANZ
IPC: D21G1/00
Filed: 1996-05-15
Granted: 1999-03-30
Abstract: A calender for treating a web of material includes at least two rollers forming a roller nip therebetween. A take-up device is disposed downstream from the at least two rollers. At least one longitudinal cutter is disposed between the at least two rollers and the take-up device. The at least one longitudinal cutter divides the web of material into at least two partial webs. The take-up device has at least two winding stations. Each of the winding stations corresponds to one of the partial webs.
Patent CA-2179677-C (CA)
Title: Extra-low-voltage heating system
Inventor: WILDI THEODORE
IPC: H05B3/34
Filed: 1996-06-21
Granted: 2000-07-11
Abstract: An extra-low-voltage heating system that produces a reduced magnetic field and which uses three insulated copper wires, or equivalents, as heating elements. Its low operating temperature, robustness and safety enable the system to be installed, for example, in floors and walls for the general heating of buildings, and in outdoor pavements, for snow-melting purposes, etc. The single-phase feeder busbars are configured to reduce the magnetic field around the feeder. A monitoring network continually checks the integrity of the heating system.
Patent CA-2182628-C (CA)
Title: Apparatus for carrying out peritoneal dialyses
Inventor: JEPPSSON JAN-BERTIL
IPC: A61M5/148
Filed: 1995-01-30
Granted: 2005-08-23
Abstract: Apparatus for carrying out peritoneal dialysis. The apparatus comprises a weighing device (37) provided with a case (50) for forming an airtight space. A heat bag (38) and, optionally, a discharge bag (42) are positioned in the space, said bags being connected with a catheter for the patient, who is to perform peritoneal dialysis. The apparatus comprises a pump arrangement (57) connected with the case (50) for producing overpressure and underpressure, respectively, in the space inside the case. Valve arrangements (39, 44) are adapted to connect either the discharge bag (42) or the heat bag (38) with the patient's catheter. By providing an underpressure in the case (50), fresh dialysis solution is provided to the heat bag (38) from supply bags, whereupon used dialysis fluid is extracted from a patient to the discharge bag (42). By causing an overpressure in the case (50), a fresh and heated dialysis solution is supplied from the heat bag (38) to the patient, whereupon the discharge bag (42) is drained to a waste or to collection bags. The flow of dialysis solution is monitored by the apparatus by means of weighing the case (50) and its contents. Suitable data for the treatment is stored in a memory unit of the apparatus.
Patent CA-2184579-C (CA)
Title: Dispositif d'administration d'un medicament a l'aide d'un microprocesseur et d'un moniteur
Inventor: CASTELLANO THOMAS P
IPC: G01N33/487
Filed: 1995-03-03
Granted: 2001-07-31
Abstract: Un dispositif d'administration de médicament, tel qu'un injecteur (10) de type stylo, un injecteur à jet, une pompe à médicament, un inhalateur ou un pulvérisateur, par exemple, est couplé à un microprocesseur (32) enregistrant la date, l'heure et la dose de chaque administration. Le microprocesseur (32) peut également être couplé à un affichage (34) servant à indiquer la dose de médicament à administrer. Ce dispositif peut également être couplé à un moniteur (202) servant à analyser les caractéristiques du sang. L'ensemble constitue un dispositif compact remplissant diverses fonctions et ne nécessitant qu'un minimum d'espace. Ce dispositif peut également utiliser une aiguille jetable diminuant ou éliminant pratiquement le saignement provenant d'une ouverture de la peau au niveau du site d'injection.
Patent CA-2186347-C (CA)
Inventor: RONSTROM ULF MIKAEL
IPC: H04W60/00
Filed: 1995-03-14
Granted: 2003-07-29
Abstract: Système de gestion de données utilisé par un logiciel d'applications possédant une pluralité de modules d'applications (401, 402, 403) exécutables sur des systèmes de commutation situés à travers un réseau de télécommunications hétérogène (400). Des parties de données sont mémorisées dans des programmes de gestion de données (DM) au niveau d'une pluralité d'emplacements de mémorisation de données répartis à l'intérieur du réseau (600) indépendemment des modules d'application (AM). Chaque emplacement de mémorisation est également géré par un programme de gestion de données. Un module d'application (AM) est exécuté, de façon à définir un paramètre des données nécessaires à l'exécution du logiciel d'application. Il est demandé au programme de gestion de données (DM) gérant le module d'application (AM) de rechercher les données nécessaires dans les programmes de gestion de données (DM) au niveau des emplacements de mémorisation de données et d'identifier le programme de gestion de données (DM) dans lequel sont mémorisés les données nécessaires. Celles-ci sont extraites du programme de gestion de données identifié (DM) et introduites depuis ledit programme dans le module d'application (AM), afin d'être utilisées pendant l'exécution en continu du logiciel d'application.
Patent CA-2188914-C (CA)
Title: Dispositif pour moulage ou moulage par injection de composes polymeriques et accessoires de moulage
Inventor: WIETRZYNSKI BERNHARD
IPC: B29C45/37
Filed: 1995-04-20
Granted: 1999-02-02
Abstract: L'invention concerne un outil servant à mouler ou à injecter des matières plastiques, qui comprend au moins un dispositif accessoire de moulage, notamment un dispositif d'éjection (10), de préférence une tige d'éjection, et/ou un dispositif à pointe pour noyau. Cet outil se caractérise en ce que le dispositif accessoire de moulage (10) présente une unité de marquage (18), au moins par endroits, dans la zone qui fait face à la matière plastique pendant son moulage ou son injection.
Patent CA-2190291-C (CA)
Inventor: DAVID CLAIRE
IPC: C08G63/688
Filed: 1995-05-19
Granted: 2002-07-16
Abstract: Novel sulfonated hydrodispersible or hydrosoluble polyesters with a molecular weight less than 20,000, having a sulphur content by weight of about 0.5-10 % and a hydroxyl function content, expressed in OH/kg polymer equivalent, greater than 0.2. The polyesters of the invention can be used as finishing or anti-redeposit agents and optionally as detergent agents in rinsing, softening or finishing compositions for washing with or without pretreatment, rinsing or softening or finishing textiles, especially polyester-based textiles.
Patent CA-2192605-C (CA)
Inventor: CHETHIK FRANK
IPC: H04L27/36
Filed: 1996-12-11
Granted: 2002-02-19
Abstract: This invention pertains to a method for producing high power microwave transmission signals conveying one of a plurality  of  symbols,  wherein  a  symbol  represents  a plurality  of  bits,  and  also  to  a  modulating  array transmitter that operates in accordance with the method. The method includes a first step of applying j bits to a data storage device to address the data storage device to output N bits to N/2 QPSK modulators.  Each of the N/2 QPSK modulators receives a subset (a pair) of the N bits.  Each of the bit pairs specifies one of up to four phase shifts. Within each of the N/2 QPSK modulators, a next step phase modulates a reference (e.g., local oscillator) signal in accordance with a phase shift specified by the received pair of bits.  A next step amplifies the outputs of each of the N/2 QPSK modulators to produce respective amplified QPSK modulated  signals.  A  further  step  combines  the amplified QPSK modulated signals by vector addition to produce one of a plurality of symbols, wherein the produced symbol represents a value of the j  (even number)  input bits.    Also  disclosed  is  a  BPSK embodiment  of  the invention,  wherein there are N BPSK modulators,  each receiving one of the N bits.
Patent CA-2192828-C (CA)
Inventor: CHEVET MICHEL
IPC: B21D1/02
Filed: 1996-04-15
Granted: 2006-06-06
Abstract: A levelling machine with overlapping rollers including a fixed housing (1) containing two levelling assemblies (2, 2') each comprising a plurality of active levelling rollers (21) with parallel axes rotatably mounted in a supporting frame (4) and each combined with at least one row of support wheels (22), each assembly being applied to a strong base (3) on the opposite side from the sheet to be levelled. Said frame (4) supporting at least one of the levelling assemblies (2) includes a holder (40) enclosing a plurality of adjacent crossbeams (5) individually slidably mounted in said holder (40), and each active roller (21) engages only one corresponding beam (5) via its support wheels (22), while each beam (5) individually engages the base (3) via at least two rams (6) distributed along the beam (5). In particular, the degree of overlap of each active roller and the forces exerted thereon may be adjusted separately to enable the levelling force to be varied even when the sheet is moving. Said machine and said method are particularly suitable for cold levelling metal sheets.
Patent CA-2194103-C (CA)
Title: Polypeptides useful as calcium channel blockers
Inventor: SACCOMANO NICHOLAS ALEX
IPC: A01N63/02
Filed: 1990-04-26
Granted: 2000-01-04
Abstract: This invention relates to certain polyamines and polypeptides found to be present in the venom of the Agelenopsis aperta spider.  The polyamines of this invention and the salts thereof antagonize excitatory amino acid neurotransmitters, which neurotransmitters affect cells of various organisms and are useful in antagonizing said neurotransmitters, per se, in the treatment of excitatory amino acid neurotransmitter mediated diseases and conditions and in the control of invertebrate pests.  The polypeptides of this invention and one of said polyamines and the salts thereof block calcium channels in cells of various organisms and are useful in blocking said calcium channels in cells, per se, in the treatment of calcium channel mediated diseases and conditions and in the control of invertebrate pests. This invention also relates to compositions comprising said polyamines, polypeptides and salts thereof.
Patent CA-2194375-C (CA)
Inventor: BENNETT D CLARK
IPC: C12N15/60
Filed: 1995-07-07
Granted: 2002-06-11
Abstract: L'invention concerne un procédé de production de deux enzymes hautement purifiées, capables de dégrader des polysaccharides de chondroïtine-sulfate. Elle concerne également un procédé de purification comportant des étapes multiples, y compris la rupture de cellules, la chromatographie échangeuse de cations, la chromatographie d'affinité, la chromatographie d'hydroxylapatites, la chromatographie échangeuse d'ions à haute résolution et exclusion de tailles. On a isolé une protéine de 77.000 <u>+ </u>5.000 Daltons capable de dégrader des chondroïtines-sulfates A et C, ainsi qu'une protéine de 55.000 <u>+</u> 2.300 Daltons capable de dégrader du sulfate de dermatan. On a cloné les gènes codant lesdites enzymes, respectivement, chondroitinase AC et chondroitinase B et l'invention concerne également leurs procédés d'utilisation.
Patent CA-2194621-C (CA)
Inventor: ASH DARRELL L
IPC: H04B1/40
Filed: 1997-01-08
Granted: 2008-03-25
Abstract: A transceiver including a receiver having a sequential amplifier that includes at least first and second RF amplifier stages coupled together by a delay line. A transmitter in the transceiver includes an oscillator for generating an RF carrier and the oscillator includes the delay line as a phase shifting element. A modulator is coupled to the oscillator for modulating the RF carrier either AM, OOK modulated, FM, FSK modulated, PM, and PSK  modulated.