baber/WOPTO huggingface dataset:
Patent CA-2219326-C (CA)
Title: A plant and method for transmitting electric power
Inventor: PALSSON ROLF
IPC: H02J5/00
Filed: 1997-11-13
Granted: 2002-06-18
Abstract: ABSTRACT            A PLANT AND METHOD FOR TRANSMITTING ELECTRIC POWER   A method and apparatus for eliminating overmodulation in a power plant is provided. The power plant has a direct voltage network connected to at least one alternating voltage network through a station. The station is adapted to transmit power between the direct voltage network and the alternating voltage network and includes at least one converter. The converter is adapted to convertdirect voltage into alternating voltage and convert alternating voltage into direct voltage. The method comprises the steps of calculating a reference alternating voltage and measuring a direct voltage between two poles of a direct voltage side of the station. The reference voltage is divided by half of the direct voltage and this quotient is compared with a predetermined value. When the quotient exceeds the predetermined value, a first signal is sent to a means for controlling the converter. In response to receiving the first signal, the converter is controlled to increase consumption of reactive power on the alternating voltage side of the station.
Patent CA-2220184-C (CA)
Inventor: BAUMBACH GEORGE A
IPC: C12N9/74
Filed: 1997-11-04
Granted: 2008-04-29
Abstract: A method and device for activating and applying a solution of fibrinogen to form fibrin glue at a desired site. The method comprises contacting the solution of fibrinogen with immobilized thrombin under conditions that result in a solution of polymerizable fibrin and delivering the solution to the desired site. The device comprises a housing having a compartment for a solution of fibrinogen, a container for immobilized thrombin, means for bringing the solution of fibrinogen in contact with the immobilized thrombin under conditions which permit the activation of the fibrinogen to polymerizable fibrin, and means for delivery of the activated solution to the desired site.
Patent CA-2221556-C (CA)
Inventor: FIGARD STEVE D
IPC: G01N33/543
Filed: 1996-05-24
Granted: 2007-08-14
Abstract: An aqueous composition suitable for use when performing immunological procedures. The composition includes at least one biological buffer, dithiothreitol (alternatively referred to herein as "DTT"), and ethylene glycol. The composition can also include at least one biological detergent, at least one source of positive and negative counterions, e.g., salt, and at least one viscosity modifier, e.g., sugar. The buffer also can include at least one preservative, such as sodium azide. The pH of the composition preferably ranges from about 6.4 to 7.2. A kit containing the composition is also disclosed.
Patent CA-2222136-C (CA)
Title: Article implantable et procede facilitant l'endothelialisation
Inventor: CLAPPER DAVID L
IPC: A61F2/06
Filed: 1996-05-24
Granted: 2005-04-05
Abstract: L'invention se rapporte à un matériau poreux ayant une constitution chimique superficielle appropriée qui facilite l'endothélialisation capillaire. Ce matériau a une porosité suffisante pour permettre l'endothélialisation capillaire et possède une molécule d'adhésion liée de façon tenace qui facilite le développement des cellules endothéliales dans les pores du matériau.
Patent CA-2222785-C (CA)
Title: Vitamin d analogues
Inventor: CALVERLEY MARTIN JOHN
IPC: C07C401/00
Filed: 1996-12-02
Granted: 2006-04-04
Abstract: The present invention relates to compounds of formula (I) in which formula X is hydrogen or hydroxy; R1 and R2 stand for methyl or ethyl, or, when taken together with the carbon atom bearing the group X, can form a C3-C5 carbocyclic ring; Q is either a single bond or a C1-C8 hydrocarbylene in which one of any methylene groups not directly bonded to the carbonyl group may optionally be replaced by an oxygen atom (or methyl by hydroxy); Y is either a single bond or C1-C8 hydrocarbylene; and derivatives of (I) in which one or more of the hydroxy groups are masked as groups which can be reconverted to hydroxy groups in vivo. The compounds show antiinflammatory and immunomodulating effects as well as strong activity in inducing differentiation and inhibiting undesirable proliferation of certain cells.
Patent CA-2225072-C (CA)
Title: Composite matriciel a base d'aluminium renforce par des fibres
Inventor: WERNER PAUL S
IPC: C22C49/00
Filed: 1996-05-21
Granted: 2008-07-29
Abstract: Cette invention concerne une matrice métallique composite formée à partir de fibres polycristallines de  alpha -Al2O3, lesquelles sont encapsulées dans une matrice pratiquement pure faite d'aluminium élémentaire, ou d'un alliage d'aluminium élémentaire contenant jusqu'à 2 % environ de cuivre. Les matériaux ainsi obtenus se caractérisent par leur grande résistance et leur faible poids, et conviennent tout particulièrement à des applications dans des industries diverses tel que le transport de l'électricité à haute tension.
Patent CA-2229849-C (CA)
Inventor: OTA SHINJI
IPC: B41J25/304
Filed: 1997-06-23
Granted: 2001-09-11
Abstract: A print head 20 is placed upstanding on a chassis 25 through a protective member 26. A support shaft 28 to which a platen roller 21 is attached through a support member 27 is fixed at a lower end to a chassis 25. The support shaft 28 is fixed at an upper.end to an upper attaching portion 25a of the chassis 25. A space restricting member 31 is provided to the upper attaching portion 25a so as to engage with an engaging lug 35 on the protective member 26 to restrict the upper ends of the print head 20 and the platen roller 21 at a predetermined space from each other. Thus, the upper ends of the print head 20 and the platen roller 21 are maintained at the predetermined space during printing to press the print head 20 and platen roller 21 against each other with a uniform pressure along their lengths.      Thus, there is no difference in printing state between the upper and lower portions of the print head 20 and the platen roller 21 to achieve uniform printing and improve the print quality
Patent CA-2240417-C (CA)
Title: Composite de ceramique d'oxydes pour des composants exposes a des temperatures elevees, procede et systeme
Inventor: RADFORD KENNETH C
IPC: C04B35/80
Filed: 1996-12-12
Granted: 2008-04-22
Abstract: L'invention concerne un composite de céramique d'oxydes pour fabriquer les composants similaires exposés à des températures élevées. Le composite est fabriqué en dispersant des particules métalliques dans une préforme de fibres et en infiltrant la préforme du fibres avec un précurseur sol-gel de matrice. On peut également mélanger des particules sol-gel de matrice et, infiltrer la préforme ave le mélange. Ensuite, dans le processus de fabrication, les particules métalliques s'oxydent en métal oxyde quand le précurseur sol-gel de matrice est fritté. Le métal oxydé a davantage de volume et de masse que les particules métalliques. Dans ces conditions, le métal oxydé contribue à l'augmentation de la densité du composite. Ce composite est particulièrement bien adapté à une utilisation dans les turbines à combustion et dans des environnements haute température similaires.
Patent CA-2244299-C (CA)
Title: Lightweight antenna assembly comprising a whip antenna and a helical antenna mounted on a top end of the whip antenna
Inventor: SUZUKI FUMIHIRO
IPC: H01Q1/24
Filed: 1998-07-29
Granted: 2002-11-19
Abstract: In an antenna assembly (10) including a whip antenna (1, 9) provided with a stopper (5) of a conductive material at a lower end of the whip antenna, a helical antenna (2) provided with a conductive sleeve (6) mounted on a top end of the whip antenna, and a holder (4) of a conductive material for slidably holding the whip antenna, each of the stopper, the conductive sleeve, and the holder is of a light metal having a specific gravity not greater than 3 g/cm 3.  The holder is electrically connected to the stopper when the whip antenna is in an extended position.  The holder is electrically connected to the conductive sleeve when the whip antenna is in a retracted position.  The light metal may includes at least one of aluminum and magnesium.  Alternatively, the light metal essentially consists of 0.4% or less Si, 0.7% or less Fe, 5.0-6.0% Cu, 0.30% or less Zn, 0.2-0.6% Bi, 0.2-0.6% Pb, and the balance Al in weight.
Patent CA-2247605-C (CA)
Inventor: AOYAGI MASATO
IPC: H04L69/14
Filed: 1998-09-17
Granted: 2005-03-22
Abstract: Multiple connections of subscriber access systems are controlled by means of V5 interfaces in a switched system accommodating interface prescribed by V5 protocol according to ETSI standards by using one B-channel as communication channel C2 with an access network that accommodates subscribers of another network service provider apart from communication channel C1 prescribed by normal V5 protocol between the local exchange and an access network operated by the service provider of the local exchange when connecting access networks accommodating subscribers of another network service providers to an access network operated by the service provider of the local exchange.
Patent CA-2251405-C (CA)
Inventor: SCHOLTEN HEINZ
IPC: B29C67/00
Filed: 1998-10-23
Granted: 2005-03-22
Abstract: Disclosed is a process for producing shaped articles by selective laser sintering of pulverulent material of nylon-12 having a melting point of 185 - 189°C, an enthalpy of fusion of 112 ~ 17 J/g, and a solidification point of 138 - 143°C. The pulverulent nylon-12 preferably has a mean particles size of from 50 to 150 µm.
Patent CA-2257199-C (CA)
Title: Fabric softening compositions
Inventor: MASSCHELEIN AXEL
IPC: D06M13/46
Filed: 1997-06-02
Granted: 2002-03-05
Abstract: The present invention relates to a storage stable liquid fabric softening composition comprising one or more fabric softener materials and a mixture of at least two cationic dye fixing agents, said composition providing an effective reduction of the amount of dyes released from coloured fabrics upon wet domestic treatments.
Patent CA-2263976-C (CA)
Inventor: BUECHLER KENNETH FRANCIS
IPC: B01D63/08
Filed: 1997-08-25
Granted: 2006-05-16
Abstract: Devices and use thereof, the device comprising a filter and a means for region specific compression of the filter. Alternatively, the device comprises a filter; a region containing the filter; a fluid access port to the region containing the filter; a fluid egress port from the region containing the filter; and a lateral fluid flow path through the filter connecting the fluid access port to the fluid egress port. Alternatively, a single step assay device whereby fluid movement through the device occurs substantially solely due to action of capillary force, the device comprising a filter; a region containing the filter; a fluid access port to the region containing the filter; a means for retarding movement of particles through a peripheral filter surface; a fluid egress port from the region containing the filter a lateral fluid flow path through the filter connecting the fluid access port to the fluid egress port whereby sample fluid substantially devoid of particulate matter is released from the filter through the egress port; and, an exit region fluidly connected to the egress port. Use of the device optionally comprises means for producing an assay result in an exit region of the device.
Patent CA-2266106-C (CA)
Title: Rail vehicle with a vertical support actuator
Inventor: HACHMANN ULRICH
IPC: B61F5/02
Filed: 1999-03-18
Granted: 2002-06-25
Abstract: A rail vehicle is equipped with a support actuator 9 of variable vertical length mounted between a vehicle body 1 and a running gear 5 located thereunder. In order to maintain an operational supporting device and adequate ride comfort after a failure or overload of the support actuator 9, an emergency spring 12 coaxial with the support actuator 9 is provided, which only becomes effective when the stroke of the support actuator 9 falls short of a preset value.
Patent CA-2279770-C (CA)
Inventor: BROEDERS NICHOLAS
IPC: A47L5/38
Filed: 1999-08-04
Granted: 2008-06-10
Abstract: A vacuum fitting for connection to a remote source of vacuum, the vacuum fitting comprising a main body mountable to a fixed structure. The main body includes an inlet opening and an outlet opening; an openable closure mounted to the main body and being moveable between an open position and position covering the inlet opening; a latch member selectively positionable to keep the closure in said covering position when positioned between the main body and the closure and to permit said closure to move to an open position when not positioned between said main body and the closure; and a biaser to urge the closure to an open position. A switch is also provided to initiate the remote source of vacuum when the closure is moved to the open position by the biaser.
Patent CA-2280381-C (CA)
Inventor: ERDMAN DAVID T
IPC: C07F9/24
Filed: 1999-08-17
Granted: 2009-11-03
Abstract: The present invention relates to an improved process for the preparation of an acyl derivative of O,S-dialkyl phosphoroamidothioate by reacting an O,S-dialkyl phosphoroamidothioate with an acylating agent in the presence of an acid, wherein the improvement resides in adding a C4 to C8 aliphatic alcohol, following completion of the acylation reaction, to the mixture of the O,S-dialkyl phosphoroamidothioate, the acylating agent and the acid. In an embodiment of the present invention, the acylation reaction is conducted in the absence of a solvent. The aliphatic alcohol is easily recovered and can be reused in a subsequent acylation reaction.
Patent CA-2281236-C (CA)
Title: Direct conversion rf schemes using a virtually generated local oscillator
Inventor: MANKU TAJINDER
IPC: H04B1/30
Filed: 1999-09-01
Granted: 2010-02-09
Abstract: This inventions has applications in RF receivers and transmitters. The patent describes a method of removing the LO-leakage problem associated with direct RF receiver or transmitter topologies. This problem is solved by generating a virtual LO signal within the RF signal path. The LO signal is constructed by using signals that do not contain a significant amount of power (or no power at all) at the LO frequency required. Any errors added to the wanted LO in the new topology are minimized using a closed loop.
Patent CA-2286793-C (CA)
Title: Method for reducing emissions from a diesel engine
Inventor: PETER-HOBLYN JEREMY D
IPC: B01D50/00
Filed: 1998-04-16
Granted: 2006-10-10
Abstract: Operation of a diesel engine (10) with low particulate emissions is achieved . A diesel engine is equipped with a platinum-catalyzed particulate trap (14). The engine (10) is operated with a blend of diesel fu el and a fuel-soluble cerium composition (32) to reduce the balance point of the trap (14) with reduced cerium content. Preferably, the fuel (11) will also contain a fuel-soluble organo-platinum group metal compound (32), or an effective platinum group metal compound can be added to the exhaust or combustion air.
Patent CA-2287711-C (CA)
Title: Horizontal reel barge
Inventor: MALAHY ROBERT CONRAD
IPC: B63B35/03
Filed: 1999-10-26
Granted: 2007-06-19
Abstract: An apparatus for laying deep water sub sea pipelines either by means of reeled pipe or conventional pipelay ("stock on") is disclosed. The vessel is equipped with a dynamic positioning system that is integrated into the pipelay control system. Both methods of pipe lay utilize a rigid stinger capable of supporting the pipe from near 0 degrees through a departure angle of 90 degrees, simulating a J-lay orientation. The Reel System consists of a storage reel, reel drive system, straightener aligner system, two tensioner systems, three exit rollers, stinger and dynamic positioning system. The conventional pipelay system consists of the above without the storage reel and reel drive system. All pipelay equipment has the capability of leveling winding, thus maintaining a specific pipe profile while the pipe is either being spooled on the quay side or laid on the seabed. The storage reel is modular where it can be removed by either skidding or divided into piece lifts. The apparatus has the ability of interchanging operation modes from reeled pipelay to conventional pipelay without abandoning the pipeline.
Patent CA-2292707-C (CA)
Title: Improved system for processing, storing, and transporting liquefied natural gas
Inventor: FAIRCHILD DOUGLAS P
IPC: C21D8/02
Filed: 1998-06-18
Granted: 2003-12-30
Abstract: A container is provided for storing pressurized liquefied natural gas at a pressure of about 1035 kPa (150 psia) to about 7590 kPa (1100 psia) and at a temperature of about -123 ~C (-190 ~F) to about -62 ~C (-80 ~F). The container is constructed from an ultra-high strength, low alloy steel containing less than 9 wt.% nickel and having a tensile strength greater than 830 MPa (120 ksi) and a DBTT lower than about -73 ~C (-100 ~F).
Patent CA-2294850-C (CA)
Title: Discharge lamp having dielectrically impeded electrodes
Inventor: VOLLKOMMER FRANK
IPC: H01J65/00
Filed: 1999-02-18
Granted: 2007-09-25
Abstract: The invention relates to a discharge lamp (1) with a tubular discharge vessel (2) filled with an inert gas, and optionally provided with a layer of a luminescent substance. The discharge lamp comprises at least three elongated electrodes (3, 4, 5) arranged parallel to the longitudinal axis of the tubular discharge vessel (2). The electrodes are arranged in such a way that the ratio s/a >=0.1 is satisfied, whereby s defines the maximal distance of the imaginary line connecting an electrode pair from the nearest adjacent wall of the discharge vessel, and a defines the distance between the electrodes of this electrode pair. As a result, a higher luminance is obtained. The lamp is especially provided for a pulsed, dielectrically impeded discharge.
Patent CA-2298685-C (CA)
Title: Apparatus and method for modulation/demodulation with consecutive minimum runlength limitation
Inventor: KAHLMAN JOSEPH A H M
IPC: H04L27/00
Filed: 1999-05-25
Granted: 2009-12-22
Abstract: Problem: how to record and play back data at a high line density. Means for solving the problem: a DSV control bit determining/inserting unit (11) inserts DSV control bits for execution of DS V control into an input data string and outputs the data string including the DSV control bits to a modulation unit (12). The modulation unit (12) converts the data string with a basic data length of 2 bits into variable length code with a basic code length of 3 bits in accordance with a conversion table and outputs the code resulting from the conversion to a NRZI encoding unit (13). The conversion table used by the modulation unit (12) includes substitution codes for limiting the number of consecutive appearances of a minimum run to a predetermined value and substitution codes for keeping a run length limit. In addition, the conversion table enforces a conversion rule, accordi ng to which the remainder of division of the "1" count of an element in a data string by 2 having a value of 0 or 1 shall always be equal to the remainder of division of the "1" count of an element in the code resulting from conversion of the data string by 2.
Patent CA-2300833-C (CA)
Title: Method for manufacturing a box, provided with a lid, from a thin tree trunk or a branch
Inventor: VAISANEN JUHANI
IPC: B23D59/02
Filed: 1998-08-19
Granted: 2008-11-18
Abstract: The present invention concerns a method for manufacturing a lidded case (1) from a thin tree trunk or branch, in which a piece corresponding to the height of the lidded case (1) is sawn from the tree trunk or branch. The method is characterized in that the lid part (4) is cut off from said piece by means of a thin, rotating and disc-like cutting blade (5), having a completely smooth circumferential surface but the outer edges of its sides being provided with mainly radial grooves (6) extending to the circumferential surface, while water (7) is led to a cutting point (14) during the whole cutting stage.
Patent CA-2308878-C (CA)
Title: Milling cutter and insert therefor
Inventor: NOGGLE KENNETH G
IPC: B23C5/20
Filed: 2000-05-19
Granted: 2004-11-23
Abstract: A fully indexable negative geometry polygonal insert uses an active cutting edge extending in a first direction from each corner of the polygon downwardly from an associated major polygonal surface of the insert along with a wiping or finishing cutting edge lying substantially in the plane of the associated major surface and extending in a second direction from the insert corner. The geometry of the cutting edge enables mounting of the insert to a milling cutter with negative axial rake, such that the cutting edge is substantially parallel to an axis of rotation of the cutting tool.
Patent CA-2310726-C (CA)
Title: Plant seedling and embryo promoter
Inventor: YU SU-MAY
IPC: C12N15/82
Filed: 2000-06-07
Granted: 2010-08-17
Abstract: The invention relates to the promoter of a rice glycine-rich RNA binding protein gene and its use for expression of heterologous proteins in plant tissues, including tissues of the plant embryo and seedling.
Patent CA-2311392-C (CA)
Inventor: WEBER SANDRA J
IPC: G06F21/62
Filed: 1998-09-25
Granted: 2004-05-11
Abstract: A method and apparatus for controlling access to confidential data are disclosed. The disclosed apparatus includes a non-volatile memory for storing data and a logic circuit for controlling access to the da ta contained in the memory. The logic circuit selectively accesses the memory to determine whether at least a portion of the data contained in the memory comprises confidential data by analyzing a property inherent in the accessed data. The disclosed method includes the steps of: defining a predetermined section of the programmable memory as a repository for confidential data; addressing the predetermined section of the programmable memory; calculating a number of data blocks in the predetermined section having a predetermined characteristic; comparin g the calculated number to a threshold value; and defining the memory as including confidential data in the predetermined section if th e calculated number has a predetermined relationship to the threshold value.
Patent CA-2319595-C (CA)
Title: Passive enclosure dust control system
Inventor: WEAKLY L ALAN
IPC: B65G69/18
Filed: 2000-09-14
Granted: 2005-07-12
Abstract: A material handling transfer system which utilizes passive dust control methods for containing and controlling fugitive dust emissions generated during a transfer operation. The present system includes an enclosure containment structure which houses a specialty designed transfer chute for vectoring a stream of moving material from a first elevated transfer location to a second lower transfer location, the chute being constructed to reduce fugitive dust emissions at the second transfer location, an adjustable deflector mechanism for containing and funneling the bulk material onto the transfer chute structure, and a stilling zone positioned downstream from the second transfer location for impeding the propagation of any fugitive dust emissions through the exit area of the enclosure structure. The present enclosure structure is specifically designed to allow for recirculation of the induced air flow generated within the enclosure structure to both relieve any pressure build up formed therewithin, particularly, in the vicinity of the second transfer location, and to facilitate the agglomeration of dust particles within the enclosure. The present system is adaptable for use in a wide variety of different material handling transfer applications including applications which involve a belt-to-belt transfer operation, a belt-to-bin transfer operation, a bin-to-belt transfer operation, a crusher-to-belt transfer operation, and both in-line and angular transfer operations. The present system therefore provides a more cost effective and less complicated system for achieving a safe work environment in areas where fugitive dust emissions must be controlled and contained.