baber/WOPTO huggingface dataset:
Patent CA-2288863-C (CA)
Inventor: SUGAYA TAKAHIKO
IPC: C08F285/00
Filed: 1999-04-22
Granted: 2008-03-18
Abstract: A methacrylic resin composition having excellent transparency, appearance, weatherability, gloss, impact resistance and processability, which comprises a methacrylic resin and a graft copolymer having a multilayer structure prepared by polymerizing a monomer component comprising an alkyl methacrylate such as methyl methacrylate as a main component in the presence of a chain transfer agent to form an innermost layer of a crosslinked methacrylic polymer, polymerizing a monomer component comprising an alkyl acrylate such as butyl acrylate as a main component in the presence of the innermost layer polymer to form an intermediate layer and subsequently polymerizing a monomer component comprising an alkyl methacrylate such as methyl methacrylate as a main component to form an outermost layer on the intermediate layer.
Patent CA-2289987-C (CA)
Title: Arylsubstituted piperazines useful in the treatment of benign prostatic hyperplasia
Inventor: MURRAY WILLIAM
IPC: C07D209/44
Filed: 1998-05-08
Granted: 2006-03-14
Abstract: This invention relates to a series of arylsubstituted piperazines, of Formula (I), pharmaceutical compositions containing them and intermediates used in their manufacture. The compounds of the invention selectively inhibit binding to the .alpha.-la adrenergic receptor, a receptor which has been implicated in benign prostatic hyperplasia. As such the compounds are potentially useful in the treatment o f this and other disease.
Patent CA-2292226-C (CA)
Inventor: WERLE PETER
IPC: C07K19/00
Filed: 1999-12-10
Granted: 2009-02-10
Abstract: The invention provides powdered mixtures of chlorhexidine base with selected sugar acids or lactones from the set gluconic acid or gluconolactone, lactobionic acid (I), D-galactono-.gamma.-lactone (II), L-mannono-.gamma.-lactone (III), D-(-)-gulono-.gamma.-lactone (IV), D-(+)-galacturonic acid (V) and .alpha.-D-heptaglucono-.gamma.-lactone (VI). The formulations are characterised by extraordinary storage stability. Also provided are new chlorhexidine salts with sugar acid anions based on (I) to (VI) and aqueous solutions of these. The formulations, solutions and pure salts are used as disinfectants and to prepare disinfectants.
Patent CA-2293238-C (CA)
Inventor: DELLI-GATTI FRANK JR
IPC: E21F13/08
Filed: 1998-07-21
Granted: 2005-05-24
Abstract: A conveyor cart (10, 11) for a mining machine is made from readily available components, including conventional golf cart components, and has a maximum height of 20 inches or less (e.g. about 18 inches) so that it can be effectively utilized with a continuous miner (13) for mining ultra thin coal seams. A chassis (17) has side rails (18, 19) with front and rear ends and cross pieces (20) extending between the side rails. A first coupling mechanism, such as an eye bolt (15), is mounted adjacent the front end, and a second coupling mechanism, such as a pintle hook (16), mounted adjacent the rear end. A single axle (21 ) containing a pair of inflatable golf cart wheels (25) extends between the side rails and may be driven by a conventional golf cart transmission (31) and an AC motor (36). An endless conveyor belt (33) is mounted so that it has a top portion (34) for conveying mined material (coal) from the continuous mining machine to the mine mouth, and a bottom portion (37) beneath the top portion, the conveyor belt powered by an electricmotor (42) mounted to the chassis. The cart includes an electrical cord (56) with female (57) and male (58) plugs at opposite ends, and can support a safety cable (65) and an electrical cable (73) that go from the mine mouth to the continuous miner.
Patent CA-2296630-C (CA)
Inventor: WELTON RICHARD J
IPC: B60P1/28
Filed: 2000-01-18
Granted: 2007-09-18
Abstract: A waste container for the disposition of waste concrete comprising a bottom floor section having a major dimension extending longitudinally of the container, front and rear lateral dimensions which are substantially less than the major longitudinal dimension, and a forward end closed by a forward transverse wall section.  Opposed side walls extend longitudinally of the container and upwardly from the bottom floor section to define with the bottom floor section a receptacle for waste concrete. The side walls are flared from the front to the back of the container to provide a back opening which has a lateral dimension greater than the lateral dimension of the forward transverse wall section. The side walls are sufficiently flexible to permit relative displacement between a first lateral dimension corresponding to the configuration of the side walls when they are not stressed and a second lateral dimension which is less than the first lateral dimension.  A reconfiguration system is connected to at least one of the side walls and effective to compress the lateral dimension of the side walls relative to one another from a first somewhat greater lateral dimension to the second reduced lateral dimension when a plastic mass, such as unset concrete or the like, is added to the container.
Patent CA-2296760-C (CA)
Title: Strong early seed-specific gene regulatory region
Inventor: BROUN PIERRE
IPC: C12N9/00
Filed: 1998-07-15
Granted: 2010-11-30
Abstract: Nucleic acid sequences and methods for their use are described which provide for early seed-specific transcription, in order to modulate or modify expression of foreign or endogenous genes in seeds, particularly embryo cells. The method finds particular use in conjunction with modifying fatty acid production in seed tissue.
Patent CA-2302313-C (CA)
Inventor: EYAL AHARON MEIR
IPC: C05B7/00
Filed: 1998-08-25
Granted: 2006-08-29
Abstract: A method for the combined production of (I) a fertilizer selected from a gro up consisting of ammonium nitrate, ammonium phosphates or a combination thereof through an indirect neutralization of ammonia with an acid selected form a group consisting of nitric acid, phosphoric acid and a combination thereof and of (II) a sulfur compound selected from a group consisting of elemental sulfur, SO2, sulfuric acid and sulfate salts, said method comprising (a) contacting a sulfur oxide containi ng gas with ammonia and an aqueous liquor, whereby a sulfur oxide containing product is formed and the resulting gas has a reduced SO2 content; (b) reacting a sulfur oxide containing product resulting from step (a) with a reagent selected from a group consisting of nitric acid , phosphoric acid, a mixture thereof and salts formed by the reaction of said acids to form said fertilizer and a sulfur compound, and (c ) separating at least a portion said sulfur compound from said fertilizer.
Patent CA-2307368-C (CA)
Title: Packaging with tear-off closure
Inventor: MARBLER CLAUDE A
IPC: B65D17/40
Filed: 2000-05-02
Granted: 2005-04-19
Abstract: Packaging (10) featuring a tear-off closure with an tearing aid for freeing an opening (34) to remove the contents (32) is such that, at least in the region of the opening, layers of packaging material forming an outer (20) and inner part (22) of the packaging are superimposed, separated or separable from each other. The aid to tearing is arranged on the outer part (20) of the packaging in such a manner that the outer part of the packaging is separated from the inner part of the packaging a distance (a) from the opening and the inner part of the packaging is exposed in the region of the opening. The inner part (22) of the packaging which is revealed on tearing open the packaging is free of germs with the result that the packaging is suitable for consuming drinkable and/or edible contents by mouth directly from the packaging.
Patent CA-2308601-C (CA)
Inventor: BYRD DOUGLAS S
IPC: F16K1/30
Filed: 2000-05-15
Granted: 2005-11-15
Abstract: A gas pressure reduction apparatus has a high pressure inlet port and low pressure outlet port. A spring-biased piston is operatively interposed between the inlet and outlet ports. The apparatus includes a metal part with a high pressure passage communicating the inlet port with the piston. The high pressure passage has a portion with a relatively constricted flow area, whereby compression of gas flowing through the passage yields heat of compression that heats the metal part. The apparatus further includes a plastic part configured to engage and support the metal part in an operative position in which the inlet port communicates with an outlet port on a pressure vessel outlet valve.
Patent CA-2309822-C (CA)
Title: Regulateur de traction et suspension active
Inventor: BASTIN BRUCE G
IPC: B60G17/015
Filed: 1998-11-13
Granted: 2005-06-21
Abstract: On décrit un régulateur de traction et une suspension active pour véhicules terrestres du type qui comporte des roues de contact (24) avec le sol et un moteur hydraulique (72, 74, 76, 78) pour chaque roue (24) installé sur un assemblage de roue (32) pouvant se déplacer relativement à un châssis (14) de véhicule. Un ressort de suspension (42) et un cylindre hydraulique (88, 90) sont interposés entre l'assemblage de roue (32) et le châssis (14), et la pression hydraulique exercée sur le moteur de roue (72, 74, 76, 78) s'exerce également sur le cylindre (88, 90) de sorte que, lorsque la traction est perdue, la pression hydraulique dans le cylindre (88, 90) chute, ce qui permet au ressort (42) de provoquer l'extension de l'assemblage de roue (32) vers le sol pour récupérer la traction. Dans une forme de réalisation, une valve hydraulique (114) purge le cylindre hydraulique (88, 90) lorsque la transmission du véhicule est dans un état neutre. Dans une forme de réalisation différente, une paire de valves de dérivation (160, 162) effectue la purge des cylindres hydrauliques (88, 90).
Patent CA-2313470-C (CA)
Title: Induction hardening apparatus for a crankshaft
Inventor: STEWART MAX E
IPC: H05B6/36
Filed: 1998-10-28
Granted: 2005-05-03
Abstract: An induction hardening apparatus (20) for inductively heating and quench hardening a crankshaft (21) includes an arrangement of two workstations (33, 36) similarly configured and a robotic device (37) indexing the crankshaft from a first workstation to a second workstation. The induction hardening apparatus is designed with a single induction coil (48) located at the first workstation for the sequential induction heating and quench hardening of the pins of the crankshaft. At the second workstation, a single induction coil (63) is used for the bearing surfaces of the crankshaft. One feature of the present invention is that the induction coils do not contact the surfaces of the crankshaft which are being inductively heated and quench hardened. Crankshaft dimensions and geometry are programmed into servodrive systems (49, 51) which move the corresponding coil in X and Y directions accurately tracing the orbit or path of each pin and each bearing surface. Another feature of the present invention is the use of an offset 180 degree coil (310) which provides improved heating patterns in less time than traditional 90 degree coils.
Patent CA-2315849-C (CA)
Title: Quaternary ammonium and waterproofing/preservative compositions
Inventor: WALKER LEIGH
IPC: C07D305/08
Filed: 1994-06-09
Granted: 2006-05-02
Abstract: Use of a composition for the treatment a preserving of wood which includes (a) a biocidal effective amount of at least one di C8-C12 alkyl quaternary ammonium hydroxide and (b) a solvent, as well as a method for preserving a wood substrate whereby the substrate is treated with the preservative system.
Patent CA-2317420-C (CA)
Inventor: BURRIS WILLIAM ALAN
IPC: C02F1/78
Filed: 1999-01-07
Granted: 2007-11-20
Abstract: A purifier for a batch of liquid in a reservoir (15) has a vent space (25) and a pumping system (30) for the vent space above the surface of liquid in the reservoir. This allows a closure lid (17) giving easy access to the reservoir, and the pumping system is arranged so that ozone is exhausted from the vent space and reduced before entering the atmosphere. This allows a user early access to the reservoir after completing a purification cycle and protects the user from exposure to ozone.
Patent CA-2324113-C (CA)
Inventor: COTE ROLAND
IPC: B01J20/26
Filed: 1999-03-15
Granted: 2004-02-10
Abstract: Articles comprising a substrate and a polymeric desiccant either impregnated therein or coated thereon are disclosed as well as processes for their manufacture. The invention also contemplates a process f or synthesizing a polymeric desiccant in particulate form for use as such or for use as a coating material for desiccant articles.
Patent CA-2339080-C (CA)
Title: Filled elastomeric butyl compounds
Inventor: HOPKINS WILLIAM
IPC: C08L15/02
Filed: 2001-03-02
Granted: 2009-11-17
Abstract: The invention provides a process for preparing a filled halobutyl elastomer, which comprises mixing a halobutyl elastomer, particles of filler and an additive containing both amino and alcohol functional groups, and curing the filled elastomer wi th sulfur or other curative systems. This invention has the advantages of (a) not evolvin g alcohol either during the manufacture or subsequent use of the article manufactured from the compound, and (b) significantly reducing the cost of the compound.
Patent CA-2340722-C (CA)
Inventor: MEIER-KAISER MICHAEL
IPC: B29C48/30
Filed: 1999-08-16
Granted: 2008-10-14
Abstract: Injection-molding materials comprised of polycarbonate can be processed into optically isotropic films in a chill roll extrusion method. The optically isotropic films are used as covering films for protecting data carriers (CD-ROMS) from becoming scratched, or they are used as supporting materials for the information layer.
Patent CA-2342426-C (CA)
Inventor: MEYER JENNIFER L J
IPC: A45D29/00
Filed: 2001-03-28
Granted: 2006-07-25
Abstract: A portable nail polish table generally comprises a base portion and a pair of side flaps. The base portion includes nail polish bottle holding webs and a grippable, stabilizing flange. The side flaps are proximate the base portion and are able to present a substantially horizontal work surface area. The stabilizing flange is substantially perpendicular to the horizontal works surface area when presented. Further, upon gripping of the stabilizing flange, e.g., with the knees or legs, the side flaps are maintained in a substantially horizontal orientation.
Patent CA-2345068-C (CA)
Inventor: LEHNERT RUDOLF
IPC: C07C51/08
Filed: 1999-09-15
Granted: 2009-11-17
Abstract: L'invention concerne un procédé permettant de produire de l'acide  alpha , alpha -Diméthylphénylacétique, selon lequel on fait réagir du  alpha , alpha -Diméthylbenzylcyanure en présence de d'hydroxyde de sodium, d'eau et/ou d'un alcool C4- et/ou C5 à des températures supérieures à 100  DEG C. L'acide  alpha , alpha -Diméthylphénylacétique est obtenu par acidification.
Patent CA-2346294-C (CA)
Title: Solid-state photoelectric device
Inventor: SALAFSKY JOSHUA S
IPC: H01L25/04
Filed: 1999-10-08
Granted: 2011-06-28
Abstract: A solid state photovoltaic device is formed on a substrate and includes a photoactive channel layer interposed between a pair of electrodes. The photoactive channel layer includes a first material which absorbs light and operates as a hole carrier. Within the first material are nanoparticles of a second material which operate as electron carriers. The nanoparticles are distributed within the photoactive channel layer such that, predominantly, the charge path between the two electrodes at any given location includes only a single nanocrystal. Because a majority of electrons are channeled to the electrodes via single nanocrystal conductive paths, the resulting architecture is referred to as a channel architecture.
Patent CA-2355639-C (CA)
Inventor: HOLZER DIANE
IPC: E02F3/815
Filed: 1998-12-23
Granted: 2006-04-04
Abstract: An excavating implement (10) is described which includes a blade (20) defining a top surface, an opposed bottom surface, a rear edge, a front edge, and opposed end surfaces (30). Primary cutting edges (34) are spaced apart along the front edge, and secondary cutting edges (38) positioned between the primary cutting edges (34). The secondary cutting edges (38) are recessed relative to the primary cutting edges (34). The secondary and primary cutting edges (38 and 34) intersect with the bottom surface. The blade (20) also defines primary and secondary beveled surfaces forming acute angles with the bottom surface, and which extend angularly toward the rear edge from the respective primary and secondary cutting edges (34 and 38) to intersect with the top surface.
Patent CA-2357440-C (CA)
Inventor: MALOY JON
IPC: H04Q1/30
Filed: 2001-09-13
Granted: 2004-05-25
Abstract: A plurality of processors, each containing a statically replicated SS7 protocol stack, are interconnected with each other for inter-processor SS7 protocol layer message passing by a switch to form a scalable SS7 node. The interconnecting switch operates to allow the exchange of SS7 protocol stack related messages between an SS7 layer in one processor and a different SS7 layer in another processor. The node further includes an SS7 link interface associated with at least one of the plurality of processors, with the switch further operating to allow the exchange of SS7 protocol stack related messages between the link interface for one processor and the SS7 protocol stack in another of the processors. Still further, one or more processors include an application, with the switch further operating to allow the exchange of SS7 protocol stack related messages between a selected application resident on one processor and the SS7 protocol stack in another of the processors.
Patent CA-2357899-C (CA)
Title: Method for manufacturing calcium salts of highly unsaturated fatty acids
Inventor: STROHMAIER GEORGE K
IPC: C11C3/08
Filed: 2001-10-01
Granted: 2004-08-10
Abstract: A method for the preparation of free-flowing calcium salts of highly unsaturated fatty acids, which includes the steps of: (a) providing a fatty acid feedstock consisting essentially of: (i) from about 50 to about 95% by weight of unsaturated C:16-C:22 fatty acids; (ii) from about 5 to about 40% by weight of saturated C:14-C:22 fatty acids; and (iii) no more than about 6% by weight of moisture, insolubles and unsaponifiables, with no more than about 20% by weight of the unsaturated feedstock being in the form of glycerides; (b) adding to the unsaturated feedstock from about 1.0 to about 2.5 equivalents of calcium oxide relative to the unsaturated feedstock, so that a reactive admixture is formed; and (c) adding to the reactive admixture from about 2 to about 5 equivalents of water relative to the calcium oxide, so that the calcium oxide hydrates and neutralizes the fatty acids to form the calcium salts; provided that when less than 1.75 equivalents of calcium oxide is added, the unsaturated feedstock comprises at least 25% by weight of the saturated fatty acids and is heated to a temperature above its melting point before the step of adding the calcium oxide. Highly unsaturated fatty acid calcium salts prepared by this method are also disclosed.
Patent CA-2366366-C (CA)
Inventor: DORFLER PETER KARL
IPC: F03B15/14
Filed: 2000-02-28
Granted: 2007-06-05
Abstract: L'invention concerne un procédé servant à empêcher des manoeuvres de charge non admissibles dans des centrales hydroélectriques. Ce procédé consiste à déterminer l'évolution dans le temps du niveau dans une chambre d'équilibre, et à comparer un état, obtenu à partir du niveau réel (z) et du débit net ( DELTA Q) dans un plan de phase, à une courbe limite. Lorsque cette courbe limite est atteinte, l'augmentation de charge est interrompue de sorte qu'un niveau minimal ou maximal déterminé, dans la chambre d'équilibre, ne soit pas dépassé.
Patent CA-2366949-C (CA)
Inventor: MILLAR MICHAEL
IPC: G01N33/53
Filed: 2000-03-17
Granted: 2012-05-29
Abstract: L'invention concerne une méthode de détection d'une maladie consistant à: (I) prélever un échantillon biologique chez un sujet humain, (II) appliquer l'échantillon biologique sur un substrat de sialidase qui a été immobilisé sur un milieu de support solide, et (III) détecter un changement dans le substrat de sialidase immobilisé. Ce substrat est de préférence 5-bromo-4-chloro-3-indoyl .alpha.-D-N-acétyl acide neuraminique, ou un sel dérivé.
Patent CA-2369467-C (CA)
Title: Multiuse on/off switch for hazard detector
Inventor: SCHNITZ BRIAN E
IPC: G08B29/18
Filed: 2002-01-25
Granted: 2004-12-14
Abstract: An installation-activated, battery-powered hazard device with an on/off switch mechanism and separable into complementary portions. A first of the portions contains essentially all operative electrical circuitry, including sensor(s), a source of power, and a circuit break feature; while its complement provides various small structures or morphology that aid or facilitate closure of the break. Cooperative functioning of the structures is consistent with a stylized mating or unmating of the portions. Multiple versions of the unique multiuse or recyclable switching device are disclosed.
Patent CA-2369694-C (CA)
Title: Agent for improving ketosis
Inventor: ODAKA HIROYUKI
IPC: A61K31/427
Filed: 2000-04-13
Granted: 2011-01-04
Abstract: An agent for improving ketosis which comprises an insulin sensitizer, which has an excellent action and low toxicity.
Patent CA-2372134-C (CA)
Inventor: IMAI NOBUYUKI
IPC: H02P6/06
Filed: 2002-02-13
Granted: 2009-05-26
Abstract: An integral term component generating unit 21 integrates a d-axis current difference AId and a q-axis current difference .DELTA.Iq using an integral gain Ki which is determined to stabilize a system where the d-axis current difference .DELTA.Id and the q-axis current difference .DELTA.Iq are multiplied by the integral gain Ki, integrated, and inputted, with respect to a steady gain M which approximates, including proportional gains Kp, the steady input-to-output relationship of a motor 2 to which the voltage applied to a d-axis armature and the voltage applied to a q-axis armature are inputted and from which the current flowing through the d-axis armature and the current flowing through the q-axis armature are outputted, thereby a d-axis integral term component Vd i which is an integral term component of a d-axis command voltage Vd_c and a q-axis integral term component Vq_i which is an integral term component of a q-axis command voltage Vq_c are generated.
Patent CA-2375064-C (CA)
Inventor: HOCKEY DAVID E
IPC: G03G15/00
Filed: 2001-05-11
Granted: 2004-12-28
Abstract: Selon l'invention, une unité logique de commande (LCU) (24) est configurée pour évaluer la viabilité de divers sous-systèmes au cours du procédé de marquage électrophotographique. Ladite unité LCU détermine une efficacité de chargement entre un chargeur primaire (28) et un photoconducteur (18), établit une tension de référence au niveau du photoconducteur, ladite tension de référence correspondant à l'efficacité de charge, fait fonctionner un premier sous-système en mode production de non impression en vue de la production d'une première tension au niveau du photoconducteur, et transforme le photoconducteur en un capteur fixe (50) afin de mesurer la première tension obtenue.
Patent CA-2376924-C (CA)
Title: Steerable catheter
Inventor: GIBSON CHARLES A
IPC: A61B5/296
Filed: 2000-07-06
Granted: 2008-11-18
Abstract: A catheter (16) includes a pull wire (29) which extends through two differen t lumens (22, 22'), and attaches to the distal end of the catheter at an off-axis location. By tensioning the pu ll wire, the catheter can assume various complex curves, depending on the respective lumen through which the pull wire passes.</SDOAB >