baber/WOPTO huggingface dataset:
Patent CA-2172732-C (CA)
Inventor: TRAUGOTT THOMAS D
IPC: C08L33/18
Filed: 1994-08-23
Granted: 2005-08-30
Abstract: Graft copolymerized maleimide-modified, impact resistant monovinylidene aromatic copolymer compositions have substantially improved impact strength and fatigue resistance properties when the swelling index thereof is 12 or greater and when the numerical difference in maleimide monomer content as between the grafted copolymer and matrix copolymer portions thereof differ by no more than 9 percentage points from each other. Such compositions are conveniently prepared by mass, solution or mass/suspension graft copolymerization processes and by deferring the addition of at least 20 percent of the maleimide monomer ingredient to a point in the process after (and preferably only shortly after) phase inversion of the dissolved impact modifying rubbery polymer ingredient.
Patent CA-2174969-C (CA)
Title: Short-acting dihydropyridines
Inventor: ANDERSSON KJELL HJALMAR
IPC: A61K31/4422
Filed: 1994-11-03
Granted: 2005-05-17
Abstract: Compounds of general formula (I), wherein R1 and R2 are independently selected from the group consisting of hydrogen, chloro, bromo, nitro, cyano, trifluoromethyl, and R3 and R4 are independently selected from straight or branched lower (1-5 carbon atoms) alkyl groups, and including all optical isomers, provided that when R3 is methyl and R4 is tert.-butyl, then R1/R2 are not hydrogen/hydrogen, hydrogen/2'-trifluormethyl, 2'-chloro/3'-chloro, and when R3 is methyl and R1/R2 is hydrogen/3'-nitro, then R4 are not methyl, ethyl, propyl, iso-propyl, tert.-butyl, processes for their preparation, pharmaceutical preparations containing them and the use of the compounds in lowering the blood pressure.
Patent CA-2180733-C (CA)
Title: Correction d'angle d'image optique destinee a ameliorer l'efficacite du codage fac-simile
Inventor: KUZNICKI WILLIAM JOSEPH
IPC: H04N1/21
Filed: 1995-02-03
Granted: 1998-12-22
Abstract: Une unité de commande (102) est conçue pour produire un message de télécopie comprimé dans un système de communications radio (100). L'unité de commande (102) se compose d'une mémoire d'image (203) dans laquelle est stockée une image optique, d'un moyen d'analyse d'image (205), d'un moyen d'identification du meilleur angle de balayage (204), d'un moyen de rotation d'image (220) et d'un codeur pour télécopie (225). Le moyen d'analyse d'image (205) génère une analyse en ligne longue sur une partie de l'image optique stockée en utilisant un angle de balayage prédéterminé. Le moyen d'identification du meilleur angle de balayage (204) identifie l'angle de balayage optimal à partir d'une ou plusieurs analyses d'image générées par le moyen d'analyse d'image (205). Le moyen de rotation d'image (220) génère une image optique alignée au moyen de l'image optique stockée et du meilleur angle de balayage. Le codeur pour télécopie (225) utilise l'image optique alignée pour générer le message de télécopie comprimé.
Patent CA-2182787-C (CA)
Title: Chariot porte-fils pliable et transformable en remorque a plateau ou en diable
Inventor: FULLER CARSEN STEVEN
IPC: B65H49/32
Filed: 1994-02-28
Granted: 1999-10-19
Abstract: L'invention concerne un chariot porte-fils pliable et transformable en remorque à plateau ou en diable (2) et constitué d'un corps (4) fixé rotatif sur une base (30). Ledit chariot porte-fils pliable transformable en remorque à plateau ou en diable (2) est muni de roues motrices (20) et d'un manche de diable (34), ladite base (30) pouvant ainsi servir de surface de chargement pour transporter une charge. De plus, le chariot porte-fils pliable transformable en remorque à plateau ou en diable (2) peut être utilisé dans une configuration de remorque à plateau. Une barre de soutien (38) du chargement de la remorque à plateau et une poignée (28) pour ce même chargement peuvent être utilisées pour faciliter le transport d'articles de grande longueur dans la configuration remorque à plateau. Des essieux (22) munis de collets sous forme de vis de pression (16) dimensionnés pour supporter des bobines standard de fil (14) permettent au chariot porte-fils démontable transformable en remorque à plateau ou en diable (2) de servir de touret dérouleur. Des ailes amovibles (12) augmentent la capacité de support de bobines de fil du chariot porte-fil démontable transformable en remorque à plateau ou en diable (2) et peuvent également servir de plancher pour la remorque à plateau.
Patent CA-2191683-C (CA)
Inventor: CHARTRAND DANIEL
IPC: A42B3/12
Filed: 1996-11-29
Granted: 2005-03-22
Abstract: A protective helmet, comprising an outer helmet shell comprising a rigid shell, an inner pad assembly formed from a resilient material and having a fastener partially imbedded into the pad assembly, the fastener including a base portion defining a first end of the fastener which is embedded into the pad assembly and which extends laterally outward from opposite side walls of the fastener, a non-circular post part defining a second opposite end of said fastener and which protrudes from a surface of the pad assembly, and a support flange intermediate the base portion and the non-circular post part, the support flange extending laterally outward from opposite side walls of the fastener in a direction perpendicular to the base portion, the fastener further comprising an inner surface defining a threaded aperture extending longitudinally from the post part to the base portion through a central portion of the fastener and which is adapted to accept a threaded screw, and means for securing said pad assembly to said helmet shell.
Patent CA-2194242-C (CA)
Inventor: WILLIAMSON NIGEL D L
IPC: F16L27/093
Filed: 1995-06-29
Granted: 2008-09-23
Abstract: The present invention relates to an improved hydraulic coupling which forms contact seals to fluidly connect a tube to a tapered port by crimping (tube-to--port). The contact seal includes a metal-to-metal seal with a secondary elastomeric seal. A crimped collar (409) of the port retains a compression ring (308) in a metal-to-metal contact. Another embodiment of the invention provides a transverse fluid coupling (401) for a tube (405) with the port (404) being part of the bolt/body assembly (402/403) of a "banjo" coupling. The crimped collar of the present invention is removed from the contact seal so that flexural forces and vibration of the coupling can be better resisted. The port, tube, and compression ring define a pocket (413) for the location of a sealing ring (407) disposed in the pocket. The pocket has a cross-sectional area larger than the cross- sectional area of the sealing ring. The tube may include a lip (410) having an outwardly facing tapered surface substantially complementary to the tapered surface (406) of the port. The compression ring includes an internal angled seat (414) contacting the tube. The compression ring also includes a reverse taper (417) contacting the collar so that the reverse taper facilitates the collar retaining the compression ring into sealingcontact with the tapered surface.
Patent CA-2196983-C (CA)
Inventor: DIMOLITSAS SPIROS
IPC: H04M11/00
Filed: 1995-08-09
Granted: 1999-12-14
Abstract: A facsimile communication system including a first communication station for receiving voiceband facsimile signals and for converting the received signals to baseband signals, and for transmitting the baseband signals, and a second communication station for receiving the transmitted baseband signals. The first communication station is able to generate a control code which identifies to the second communication station that the first communication station includes enhanced and/or proprietary capabilities.
Patent CA-2203014-C (CA)
Title: Diagnostic preparation for detection of heliobacter pylori
Inventor: LUNDQVIST THOMAS
IPC: A61K49/00
Filed: 1995-10-17
Granted: 2003-05-13
Abstract: The present invention relates to a preparation for administering isotope- labelled urea together with acid in tablet form, in the form of a capsule preparation, or in some other solid form. The preparation dissolve s very quickly in the stomach. The preparation is used to show increased urease activity in the stomach in association with an ongoing Helicobacter pylori infection.
Patent CA-2204706-C (CA)
Title: Compact high-volume microorganism detection apparatus
Inventor: BERNDT KLAUS W
IPC: C12M3/00
Filed: 1997-05-07
Granted: 1999-06-08
Abstract: The present invention describes an automated compact high-volume microorganism detection apparatus for detecting microorganisms in a large number of sample containers. The containers are placed in a plurality of vessels that hang vertically on horizontal rods mounted to the circumference of a cylindrical spool that is rotated around a horizontal shaft. During rotation of the spool, the vessels can remain vertically oriented or can be tilted by an arbitrary angle, before they fall back into their original vertical orientation. Depending on the percentage of tilt selected, sample agitation will be absent, soft, or more vigorous.
Patent CA-2208116-C (CA)
Title: Airless paint sprayer intake dampener and inlet valve spring
Inventor: CONATSER ROGER
IPC: F04B23/02
Filed: 1995-12-13
Granted: 2002-07-02
Abstract: An airless paint sprayer (10) includes a dampener to lessen cavitation and loss of pressure in the paint sprayer (10). The dampener comprises a generally T-shaped fitting (36) in which one leg (46) is capped and includes a trapped volume of air (52) to dampen acceleration/deceleration forces and acceleration spikes being transmitted from the pump (20) to the fluid being pumped through the fitting (36).
Patent CA-2210610-C (CA)
Title: Scissors-type window operator
Inventor: VETTER GREGORY J
IPC: E05F11/24
Filed: 1997-07-16
Granted: 2001-09-18
Abstract: An operator for controlling the movement of a window sash generally pivotable relative to a frame about a first edge between open and closed positions includes a first arm having a first end slidably attachable to a second edge of the window sash opposite the sash first edge. A second arm has a first end also slidably attachable to the sash second edge, and is further pivotally secured to the first arm. A base is attached to a frame and includes a drive attached to the other ends of the first and second arms for pivoting the first arm relative to the second arm whereby the first ends and second ends of first and second arms are disposedtogether with a window sash in an open position and the first ends and second ends are spaced apart with a window sash in a closed position. A connector for slidably attaching an operator arm to a window sash includes a metal track attachable to a window sash, a plastic shoe translatable along the track, and a plastic post pivotally secured to the shoe by a metal rod substantially parallel to the track. The post is disposable through an opening in the operator arm so that an end of the post protrudes from the opening. A plastic clip is disposed about theend of the post for securing the post in the operator arm opening.
Patent CA-2211316-C (CA)
Title: Technique de mise au point de mutants d'amylase-alpha dotes de proprietes predefinies
Inventor: SVENDSEN ALLAN
IPC: C12P19/14
Filed: 1996-02-05
Granted: 2013-10-01
Abstract: L'invention porte sur une technique de construction d'un allèle d'une amylase-alpha du type Termamyl. Cet allèle, qui possède une activité diastasique, est doté d'au moins une propriété modifiée eu égard à l'amylase-alpha parente. Cette technique comporte plusieurs étapes, à savoir, i) analyser la structure de l'amylase-alpha parente du type Termamyl afin d'identifier au moins un reste aminoacide ou, à tout le moins une partie structurelle de la structure de l'amylase-alpha du type Termamyl, reste aminoacide dont on pense qu'il est de nature à modifier la propriété de l'amylase-alpha du type Termamyl (comme estimé à partir d'observations structurelles ou fonctionnelles); ii) construire un allèle de l'amylase-alpha du type Termamyl qui, en comparaison de l'amylase-alpha du type Termamyl, a été modifié dans le reste aminoacide ou la partie structurelle identifiée en i, de manière à modifier la propriété susmentionnée et, iii) analyser l'allèle de l'amylase-alpha du type Termamyl qui en est issu, pour évaluer la propriété en question.
Patent CA-2215908-C (CA)
Title: Simultaneous electronic transactions
Inventor: MICALI SILVIO
IPC: G06Q20/00
Filed: 1996-03-21
Granted: 2001-07-10
Abstract: A communication method between a first and second party, in the presence of a trusted party, that enables a transaction in which the second party receives  a first value produced by the first party and unpredictable to the second part y if and only if the first party receives a second value produced by the secon d party and unpredictable to the first party. The method includes two basic steps: exchanging a first set of communications between the first and second  parties without participation of the trusted party to attempt completion of the transaction, and if the transaction is not completed using the first set  of communications between the first and second parties, having the trusted party take action to complete the transaction.
Patent CA-2218150-C (CA)
Title: Ultra high purity oxygen distillation unit integrated with ultra high purity nitrogen purifier
Inventor: PRUNESKI LAWRENCE WALTER
IPC: F25J3/08
Filed: 1997-10-20
Granted: 2000-12-26
Abstract: A method for producing ultra high purity liquid oxygen from standard grade liquid oxygen which integrates the oxygen purification process with a nitrogen purification process by utilizing the condensing duty of liquid nitrogen, thereby causing the nitrogen to vaporize which is desirable prior to delivery to a nitrogen purification unit.  The method of the present invention includes pressurizing a source of liquid nitrogen and vaporizing at least a portion of the pressurized liquid nitrogen.  The resulting high pressure gaseous nitrogen stream is introduced to at least one bottom reboiler/condenser of a high purity liquid oxygen unit, which also purifies standard grade liquid oxygen into ultra high purity liquid oxygen.  The gaseous nitrogen provides the needed heat to the distillation columns of the high purity liquid oxygen unit.  The condensed nitrogen is subsequently delivered to at least one top reboiler/condenser of the high purity liquid oxygen unit to provide refrigeration to the unit, and at the same time forming gaseous nitrogen which is then introduced to a nitrogen purification unit.  The following streams are withdrawn from the unit:  (a) ultra high purity liquid oxygen; (b) an argon-enriched waste stream; (c) a hydrocarbon-enriched waste stream.  The oxygen purification portion of the method of the present invention can be accomplished on a portable skid, which includes primarily tanks, distillation columns, and heat exchangers, but no pumps or compressors.
Patent CA-2227167-C (CA)
Title: Internal combustion rotary engine
Inventor: SOOS SANDOR
IPC: F02C5/02
Filed: 1996-07-17
Granted: 2001-10-02
Abstract: The internal combustion rotary engine comprises a stator (1) and a rotor (2)  that are disposed so that the inner circumference of the stator (1), at leas t in certain predetermined circumferential sectors thereof, sealingly surround s the rotor (2). The stator (1) is provided with at least two combustion chambers. Each combustion chamber has a discharge outlet opening tangentiall y towards the rotor (2), and at least one fuel inlet (15) through which oxygen  or air and fuel, in predetermined amounts such as to form a combustible mixture, can be injected into the combustion chamber (13) at predetermined intervals. The rotor (2) has an outer ring body (23) connected to a main sha ft (21) by a plurality of spokes (22). The ring body (23) is provided with a plurality of expansion channels adapted to receive a gas jet of expanding hi gh pressure combustion gases discharged from the combustion chambers through their discharge outlets when inlets of the expansion channels are, temporall y and sequentially facing the discharge outlets during the relative rotational  movement of the rotor (2) in relation to the stator (1). The rotor (2) consists of at least one rotor segment (20) comprising a ring segment (23) that has a thoroughfare inside (4) through which a continuous stream of ambient air can pass through the rotor (2) in axial direction during operation. The expansion channels in the rotor (2) form at least one group o f thoroughfare expansion channels capable of continuously rotating the rotor ( 2) by converting the energy content of the combustion gases into driving torque  exerted in form of tangential impulses on the ring segment (23). Each expansion channel provides a direct connection for the combustion gases from  the discharge outlets of the combustion chambers towards the inside (4) of t he rotor segment (20) at intervals when the peripheral inlets of the expansion channels are facing the discharge outlets of the combustion chambers.</SDOAB >
Patent CA-2228185-C (CA)
Inventor: JOHNSON DONALD B
IPC: G06F7/72
Filed: 1998-01-28
Granted: 2007-11-06
Abstract: A digital signature verification protocol utilises a pair of signature components incorporating a pair of private keys, one of which is a long term key and the other of which is a short term key. The long term key is applied to one of the signature components to reveal the short term key. The short term key is then used to compute a value of a signature component contained in the signature. If the computed value and received values agree then authenticity is verified.
Patent CA-2230135-C (CA)
Inventor: ZHANG CHAOYING
IPC: A61F11/00
Filed: 1995-09-01
Granted: 2006-11-14
Abstract: A pressure regulating ear plug (10) for regulating the rate of change of pressure inside an ear to minimize the pressure differential between the middle ear and a volume of the external ear cavity adjacent the ear drum is made of an ear plug (10) adapted to fit tightly within the external ear cavity with no or minimal air leakage, and disposed within the ear plug (10) is a pressure regulator (14) with a slow leak rate. Examples of the material which causes the pressure regulation (14) include porous metal and porous ceramic material.
Patent CA-2230977-C (CA)
Inventor: TAKAKURA KEIJI
IPC: B60S5/00
Filed: 1998-03-03
Granted: 2005-09-27
Abstract: In a vehicle diagnosing apparatus having a function of incorporating data from sensors which are disposed in a vehicle, the data from the sensors are continuously incorporated before diagnosing. The state of changes in the data are displayed as a graph. Then, the timings of incorporating the data used for diagnosing are set on the graph.
Patent CA-2233685-C (CA)
Title: Display panel sustain circuit enabling precise control of energy recovery
Inventor: MARCOTTE ROBERT G
IPC: G09G3/20
Filed: 1996-11-15
Granted: 2003-08-05
Abstract: An energy efficient driver circuit for driving a display panel having panel electrodes and panel capacitance includes an inductor means coupled to the panel electrodes; a driving voltage source; a voltage supply for providing a supply voltage of a magnitude which is greater than the driving voltage; a first switch device for selectively coupling the driving voltage to the inductor in response to a rising input signal transition, the input signal transition commencing a first state wherein a first current flow occurs through the inductor to charge the panel capacitance, the inductor causing the panel electrodes to rise to a voltage in excess of the driving voltage, at which point the first current flow reaches zero; and a second switch device for selectively coupling the voltage supply to the inductor and panel electrodes. A switch control is responsive to current flow in the inductor and is operative during the first state to initially maintain the second switch device in an open condition, and thereafter, in response to signals derived from the inductor, to cause a closure of the second switch device at a time which enables said second switch device to be fully conductive when the first current flow reaches zero, whereby the supply voltage source during a succeeding second state supplies current to both the panel electrodes and flyback current to said inductor. A like circuit is similarly operational on a falling input signal transition.
Patent CA-2234297-C (CA)
Inventor: MORIN CLAUDE
IPC: E06B3/67
Filed: 1998-04-07
Granted: 2006-10-17
Abstract: The glazed window with a high insulating power is composed of two sheets of glass (2,3) between which is a gap (4). The glass sheets are separated from each other by pins (5), distributed over all the surface, and joined at their periphery by a mineral sealing joint. One part of the external surface of the glazed component is covered by a plastics section (18).
Patent CA-2234557-C (CA)
Inventor: VINCENT JEFFREY
IPC: C07K14/415
Filed: 1996-10-11
Granted: 2007-01-09
Abstract: La présente invention concerne des vecteurs d'expression recombinants comprenant un gène-suicide voisin de séquences de recombinaison spécifiques du site et l'emploi de ces vecteurs d'expression pour produire des plantes transgéniques, ce qui facilite la production de plantes hybrides. Les plantes transgéniques produites selon la présente invention comprennent un système nouveau de stérilité mâle restauration, selon lequel une plante mâle stérile est fertilisée par allogamie avec une plante restauratrice pour produire une plante hybride.
Patent CA-2234813-C (CA)
Inventor: KAHR JOSEPH C
IPC: F16D65/06
Filed: 1998-04-16
Granted: 2002-06-18
Abstract: A brake shoe for a railway vehicle having a three-piece backing plate formed of a longitudinal main plate portion having a front surface to which a friction material is attached, and an end-plate portion attached to each end of the longitudinal main plate portion.  Each of the end plate portions having, a pair of wall members extending generally perpendicularly therefrom adapted to engage not only the edge surface of a the main plate portion but also the edge surfaces of the brakehead to which the three-piece backing plate is attached.
Patent CA-2234922-C (CA)
Inventor: SUENAGA KIYOSHI
IPC: F02C7/12
Filed: 1998-04-17
Granted: 2001-07-24
Abstract: The invention relates to a cooled shroud in a gas turbine stationary blade which is able to flow a cooling air in the entire area of an inner shroud for cooling thereof.        Three stationary blades are fixed to the inner shroud 2, a cover 13, 14 is provided to form a space 21 and space 22a, 22b and 22c, respectively.  The cooling air is introduced through an independent air passage 3A of a leading edge of each stationary blade into the spaces 22a, 22b and 22c and is flown therefrom through a tunnel 18 and air reservoirs 19-2, 19-3 and 19-4 to be blown out of a trailing edge while cooling surfaces of the shrouds and the trailing edges. Also, a portion of the cooling air from the space 22b is flown into the space 21 through a tunnel 11,a leading edge side passage 12 and an endmosttunnel 11 and is then blown out of the trailing edge through a tunnel 18 and an air reservoir 19-1, so that the leading edge portion, the endmost portion and the endmost trailing edge portion are cooled. By use of the independent air passage, the cooling air is introduced to cool the entire area of the shroud.