baber/WOPTO huggingface dataset:
Patent CA-2303858-A1 (CA)
Title: Porous membrane comprising ceramic and containing plastic as binder
Inventor: SUZUKI TOMIO
IPC: B01D39/20
Filed: 1998-09-28
Abstract: A porous membrane comprising aggregate particles of a ceramic bonded to one another with the aid of a binder comprising a plastic. The aspect ratio of the aggregate particle is 2.0 or less, and the content of the aggregate particles in the porous membrane is 60 to 99 % by volume. The porous membrane can be easily prepared at low cost and permits improving the productivity. Further, the porous membrane significantly has features of ceramics in terms of strength and corrosion resistance and permits precise control of the pore diameter which is an important factor of separation membranes and filtration membranes.
Patent CA-2304044-A1 (CA)
Title: Diagnosing malfunctions in materials handling vehicles
Inventor: GASKELL JAMES W
IPC: G01R31/00
Filed: 1998-09-28
Abstract: A diagnosis system for materials handling vehicles leads service personnel step-by-step through diagnosis and repair of malfunctions within the vehicle. Malfunctions are assigned corresponding event codes so that when a malfunction is detected, its corresponding event code is displayed. The event codes uniquely identify systems of the vehicle in which malfunctions have occurred by having the event codes for a given vehicle system all start with the same number. Thus, the technician knows from the event code what system needs to be diagnosed/repaired and what tools and probable parts will be needed. The event code is used to access diagnosis information identifying the portion of the vehicle wherein the malfunction has occurred, the components which caused the malfunction and, preferably, provides a pictogram of that portion of the vehicle. The technician advances to the malfunctioning portion of the vehicle where another pictorial depiction of the components of that portion of the vehicle assists in locating the components.
Patent CA-2315805-A1 (CA)
Title: .pi.-complex compounds
Inventor: OSTOJA-STARZEWSKI KARL-HEINZ A
IPC: C07F17/00
Filed: 1998-12-10
Abstract: The invention relates to novel .pi.-complex compounds of transitional metals of the formulas (Ia) and (Ib), in which .pi. is a .pi. system, D a donor atom and A an acceptor atom, where D and A are linked to each other by way of a reversible coordinate bond in such a way that the donor group accepts a positive (partial) charge and the acceptor group a negative (partial) charge, the .pi.-system on the one hand and the acceptor and donor groups on the other hand are linked to the transitional metal, M represents a transitional metal of subgroup III, IV, V or VI of the periodic table of elements (Mendeleev), X  represents an anion equivalent and n is zero, one, two, three or four, depending on the charge of M and the charge of .pi.. Said new .pi.-complex compounds are suitable for use as catalysts for the (co)-polymerisation of olefins, cyclo-olefins, alkynes, diolefins, vinyl ester and vinyl aromatics.
Patent CA-2318943-A1 (CA)
Inventor: JAYARAMAN SWAMINATHAN
IPC: A61F2/06
Filed: 1998-10-20
Abstract: A stent (10) has a generally tubular shape and is initially formed in a collapsed configuration. A fabric cover (13) is provided for an inner stent (11) and is attached outside stent (10) at one or more desired locations.  Fabric cover (13) is much larger in diameter than the diameter of the collapsed stent, however, when stent (10) is expanded through activation of a balloon catheter (25) therewithin, stent (10) expands to closely conform to the interior walls of fabric cover (13). The attachment of fabric cover (13) to stent (10) may be accomplished in several ways. In the preferred embodiment, fabric cover (13) may be attached outside inner stent (11) at one linear location (15) parallel to a longitudinal axis of stent (10). In an alternative embodiment, fabric cover (13) may be attached concentrically about inner stent (11) and secured in that configuration by a series of sutures.
Patent CA-2318989-A1 (CA)
Title: Interactive gaming system
Inventor: BAYASSI MULHAM
IPC: A63F13/79
Filed: 1999-02-04
Abstract: An interactive gaming and audiovisual transmission system comprising a central gaming computer (4002) for processing gaming data, a decoder (2020) adapted to receive gaming data from the central gaming computer (4002) together with transmitted audiovisual data, the decoder further including a card reading device for interacting with a user's bank card in order to credit a gaming account held by the central gaming computer means in response to a transfer of credit from the user's bank account.
Patent CA-2320003-A1 (CA)
Title: Control apparatus for hybrid vehicles
Inventor: WAKASHIRO TERUO
IPC: B60L50/15
Filed: 2000-09-20
Abstract: A control apparatus for a hybrid vehicle comprising an engine for outputting a drive force of the vehicle, a motor for generating an auxiliary driving force for assisting the output of the engine and a battery for supplying electric power to the motor at the time of supplying electric power to the motor and for storing regenerative energy obtained by regenerative operation of the motor during deceleration of the vehicle. An assist amount determination device determines whether it is necessary for the motor to assist the engine. An assist control device assists the output of the engine by the motor based on the assist amount determined by the assist amount determination device.
Patent CA-2321539-A1 (CA)
Inventor: SMITH DAVID RANDOLPH
IPC: E21B47/10
Filed: 1999-03-04
Abstract: There is provided a method for monitoring fluid flow within a region to be measured of a subterranean formation, said method comprising placing at least one source within said subterranean formation;  placing at least one sensor within said region to be measured, wherein each said at least one sensor is adjacent to at least one source such that said sensor measures changes to said fluid caused by said source; and providing at least one means for transmitting data from each said at least one sensor to at least one data collection device, said at least one data collection device capable of communicating with an operator.
Patent CA-2322187-A1 (CA)
Title: Method for producing aliphatic alpha-, omega-diamines
Inventor: FISCHER ROLF
IPC: C07C209/48
Filed: 1999-02-23
Abstract: The invention relates to a method for producing aliphatic alpha-, omega-diamines by hydrogenating aliphatic alpha-, omega-dinitriles in the presence of a catalyst, characterised in that the catalyst used for the hydrogenation contains a) iron or a compound based on iron or mixtures thereof, b) 0.001 to 0.3 wt. % in relation to a) of a promoter based on 2, 3, 4 or 5 elements from the following group: aluminium, silicon, zirconium, titanium and vanadium and c) 0 to 0.3 wt. % in relation to a) of a compound based on an alkaline and/or alkaline earth metal.
Patent CA-2323047-A1 (CA)
Title: Prodrugs of benzofuranylmethyl carbamate nk, antagonists
Inventor: CHEN MICHAEL HUAI GU
IPC: A61P25/06
Filed: 1999-03-19
Abstract: The instant invention provides aqueous soluble prodrugs of formula (I) or a pharmaceutically acceptable salt thereof wherein R is -CH2OZ, -C(-O)OCH2OZ or Z, wherein Z is formula (a), P(-O)(OH)2 or -C(-O)Q: n is an integer of from 0 to 3; m is an integer of from 0 to 1, of certain tachykinin antagonists (NK1 antagonists) useful in the treatment of emesis.
Patent CA-2326212-A1 (CA)
Inventor: HISCOCK ANTHONY S
IPC: G09F3/10
Filed: 1999-03-25
Abstract: The present invention is a thin, soft resilient pad or gasket having a durometer rating of less than or equal to 30, scale shore A, releasably mountable to a rough (or at least non-smooth) or smooth surface by reason of its resiliency and inherent surface tackiness, and may be made of hydrated cross-linked silicone polymer, or of aromatic or aliphatic base urethane or polyurethane, advantageously with bound migrating plasticizers to reduce oily surface residue on the gasket.
Patent CA-2326768-A1 (CA)
Title: Forming and application of tire ply
Inventor: SMITH MICHAEL WALLACE
IPC: B29D30/06
Filed: 2000-11-23
Abstract: Forming a tubular tire ply from a flat sheet of wire reinforced material, cutting the ply to length and applying the ply to a drum.
Patent CA-2326891-A1 (CA)
Title: Appareil de dragage
Inventor: BEAUMONT ROBERT
IPC: E02F5/10
Filed: 1999-04-01
Abstract: La présente invention concerne des dragues servant à enlever du sable, des limons et analogues d'un fond (marin ou de rivière). Une telle drague permet de dégager des épaves et de creuser des tranchées en vue de la pose de pipelines notamment. L'invention concerne plus particulièrement un appareil de dragage comprenant un corps (11) monté sur un premier propulseur (24, 74, 75) dont le principe de fonctionnement est de diriger un courant d'eau descendant vers une zone du fond marin ou analogue. L'appareil de dragage est en outre caractérisé en ce qu'il comporte un autre propulseur (44, 55, 58, 59, 77, 78) dont l'objet est de maintenir le corps de l'appareil au-dessus du fond et de propulser ce corps dans l'eau.
Patent CA-2326894-A1 (CA)
Title: Voice and data apparatus comprising a selective tapping digital signal processing resource
Inventor: PICKETT SCOTT K
IPC: H04M3/51
Filed: 1999-04-05
Abstract: Systems (Figs. 1 and 2) for transmitting voice/data using multiprotocols.
Patent CA-2327118-A1 (CA)
Inventor: SCHELLENBERG JAMES J
IPC: H04Q1/14
Filed: 2000-11-30
Abstract: In order to reduce complexity and equipment costs, access apparatus for connecting a plurality of DSL lines to a data network comprises a plurality of interface units connected to a plurality of DSL lines, respectively, for converting DSL signals to digital signals, or vice versa; at least one digital signal processor (DSP) unit for processing the digital signals and routing the processed signals to the data network, and for processing signals from the data network and supplying the resulting digital signals to the interface units, respectively, and a session switch for making virtual connections between respective ones of the interface units whose associated DSL lines are active and the DSP. The session switch maintains each connection for the duration of a session. With such an arrangement, a pool of DSPs may be shared by a much larger number of DSL lines.
Patent CA-2334632-A1 (CA)
Inventor: SRINIVASAN SESHADRI
IPC: C03B37/02
Filed: 1999-05-18
Abstract: La présente invention concerne un appareil de formation de fibres de verre (10) comprenant un système à ailettes (20) pourvu d'un collecteur (24) et de plusieurs ailettes (22) s'étendant depuis le collecteur (24). Ces ailettes (22) sont situées sous une plaque terminale de garniture (8), à proximité des rangées de plaques terminales (8) et entre celle-ci, afin de maintenir une température désirée entre les filaments de verre atténués par les plaques terminales (8). Le collecteur (24) est décalé par rapport aux ailettes (22) afin de permettre à la fois une visibilité claire de la plaque terminale (8) et le passage de l'air à travers les ailettes (22) pendant l'opération de formation des fibres de verre.
Patent CA-2336339-A1 (CA)
Inventor: ZHANG YING-HUA
IPC: C03C25/10
Filed: 1999-06-30
Abstract: A method and apparatus is disclosed for the manufacture of an optical fiber preform having incorporated therein a comparatively high concentration of ra re earth metal dopant material, and which thus can be drawn and processed into an optical fiber having low numerical aperture, low core attenuation, and high pumping power absorption. The high concentrations of rare earth metal dopant  material are accomplished through a "hybrid vapor processing" (HVP) method o r a "hybrid liquid processing" (HLP) method, either being practiced in combination or independently of one another. The HVP method involves the vaporization of a rare earth metal halide by the exposure thereof to a sufficiently elevated temperature, independently, or contemporaneously with the transport of the resultant rare earth metal halide laden vapor, into a glass-forming oxidation reaction zone on a flowing stream of essentially an unreactive inert gas, such as helium. According to the HLP method, a first amount of rare earth metal dopant is provided according to the HVP method and/or other vapor source of rare earth metal dopant which is mixed with gla ss- forming vapors to form a deposited soot layer on the internal surface of a glass tube. The soot-deposited tube is then impregnated with a dopant soluti on comprising, a second amount of rare earth metal dopant. The tube is then thermally collapsed resulting in an optical preform with an enhanced amount of rare earth metal dopant incorporated at a comparatively high concentration. The apparatus comprises means, such as tubes, for introducing the rare earth  metal dopant as a vapor, formed from a solid state form of the dopant, into the main glass deposition tube separately from glass-forming material vapors  and oxygen for the reaction within the main tube.
Patent CA-2341734-A1 (CA)
Title: Reactive binding agent with an extended pot life
Inventor: SCHUTZE DETLEF-INGO
IPC: C08G18/22
Filed: 1999-08-23
Abstract: The invention relates to a reactive composition containing A) an isocyanate-containing compound, B) a polyol, C) an organic tin or bismuth compound, D) a thiol group-containing compound or a polyphenol which is able to react with an isocyanate group in the presence of a tertiary amine as activator and with adjacent hydroxyl groups and E) a hydrolyzable halogen compound, wherein the molar ration SH and/or OH:metal is 2 to 500 and the molar ratio halogen/metal is 0.05 to 10.
Patent CA-2341895-A1 (CA)
Title: Method of dewatering difficult sludges
Inventor: SOMMESE ANTHONY G
IPC: C02F11/148
Filed: 1999-06-29
Abstract: The present invention provides a new method for dewatering difficult sludges, such as autothermal thermophilic aerobic digestion sludges. The method incorporates a three-component treatment system.  Initially, the difficult sludge is dosed with an inorganic coagulant and then the resulting sludge - inorganic mixture is dosed with a microparticle component. Lastly, the resulting mixture is dosed with a high molecular weight flocculant.
Patent CA-2342548-A1 (CA)
Inventor: BRIGGS ALAN
IPC: H04Q11/00
Filed: 2001-03-30
Abstract: A crosspoint switch is described that has N inputs, M outputs and an array of (N + X) x (M + X), where N M and X are all positive integers. By providing more than the standard N x M switching elements, it becomes possible to utilise the additional switching elements to provide one or more additional protection pathways to compensate for a failure in a switching element.
Patent CA-2344191-A1 (CA)
Inventor: LUBAWY CARMALYN
IPC: G06F3/12
Filed: 2000-06-23
Abstract: L'invention concerne une technique permettant d'utiliser efficacement un code d'identificateur (40) du type de support sur des supports d'impression (24) et de traiter ce code, une fois lu, de manière à sélectionner le mode d'impression adéquat (34) d'une imprimante (20) qui est sur le point d'imprimer sur ce support. Le système de la présente invention minimise le nombre de bits de données qui doivent être associés à (donc, marqués sur) une feuille de support d'impression, afin d'acheminer convenablement les informations en fonction du type de support (44), et il est intrinsèquement compatible vers l'arrière. Cette invention utilise un processus d'algorithme de codage simplifié, qui, dans un mode de réalisation préféré, comprend une table de conversion (32) servant à stocker un code du type de support avec des modes d'impression associés. Un algorithme de distance est utilisé pour localiser le mode d'impression le plus approprié pour un code d'identificateur donné de type de support qui n'est pas dans la table.
Patent CA-2347049-A1 (CA)
Title: Moulded bodies made from a polyurethane material, production and use thereof
Inventor: BUCHEL THOMAS
IPC: C08F299/06
Filed: 1998-10-15
Abstract: The invention relates to a method for the production of polyurethane-based technical formed parts, commodity goods and object preferably consisting of (meth)acrylate containing isocyanate and hydroxy groups and at least 0.5 mMol/g reactive double bonds that can t determined using a DSC method. In a first step, a mixture of all starting constituents is produced and given a desired form using method such as casting, pressing, rolling or extruding that are known per se in plastic engineering technology, whereby said mixture simultaneousl or subsequently undergoes a non-radically triggered polyaddition reaction (urethane reaction) and a polyurethane substance is created in th form of a flexible, optionally elastic pre-form that can be deformed without any removal of said material. In a second step, the pre-fon undergoes preferably mechanical shaping in addition to substantially emission-free hardening by means of radical polymerization of th free double bonds. The invention also relates to products that are manufactured using this method in addition to multiple applicatior thereof, such as directly in the place where they are used, in order to produce highly resistant shaped bodies and composite elements th can be used more particularly in fields such as medicine (e.g. surgery, orthopaedics, dental medicine), technology (e.g. civil engineerin the construction industry, motor vehicle production, insulation technology, measuring and lighting technology), the home, cosmetics an fine art.
Patent CA-2347937-A1 (CA)
Inventor: PICKING WILLIAM D
IPC: A61K39/39
Filed: 1999-10-21
Abstract: A method for production of highly purified invasin proteins is disclosed. Also disclosed are vaccine and adjuvant compositions comprising highly purified invasin proteins and the use of highly purified adjuvant proteins to induce an immune response and for administration of drugs.
Patent CA-2348816-A1 (CA)
Title: Gymnasium curtain system
Inventor: HAMILTON ROY STANLEY
IPC: A47H21/00
Filed: 2001-05-25
Abstract: A flexible partition suspended from a ceiling of a gymnasium or the like, includes a drive cylinder which extends the length of and intermediate of the curtain forming the partition. A cylinder is. provided with an internal drive motor, and a reaction device is provided externally of the curtain such that the motor device when activated will drive the cylinder to wind-up the upper and lower portions of the curtain. In one embodiment, the upper portion is a single curtain panel and is attached to the periphery of the cylinder at an axial line. The lower portion includes two spaced curtain panels which are connected to the periphery of the cylinder at diametrically opposite lines thereon. In another embodiment both the upper portion and lower portion of the curtain include two curtain panels, so as to form a full-size double curtain.      In such an arrangement, the flexible partition has a spaced-apart double panel configuration at least at its lower portion, to provide a better acoustic insulation.
Patent CA-2351369-A1 (CA)
Inventor: MALMBAK MARIANNE
IPC: D21F11/14
Filed: 1999-11-17
Abstract: The invention relates to a multi-ply tissue comprising at least two plies, the tissue having a surface area in one plane, and a thickness orthogonal to the plane, wherein the thickness is at caliper of at least 0.35 mm, and wherein the tissue has an unembossed wiping surface over a major part of the surface area of the tissue, and wherein the multi-ply tissue has an average basis weight of at least 40 g/m2 and has a wet burst strength of at least 150g; and to a process for making the multi-ply tissue.
Patent CA-2356914-A1 (CA)
Title: Method and device for regulated injection of liquid carbon dioxide in a pressurised liquid
Inventor: BUIL JOSE
IPC: B01F35/60
Filed: 1999-11-29
Abstract: The Applicant proposes a novel method (and its associated device) for the regulated injection of liquid carbon dioxide (CO2L) into a liquid (L) under pressure inside a chamber. The said liquid carbon dioxide (CO2L) is, according to this method, injected at a fixed flow rate, in stepped mode, under the protection of a stream of gas (when injection is stopped).
Patent CA-2357947-A1 (CA)
Inventor: SPEIER PETER
IPC: C09D175/06
Filed: 2001-09-28
Abstract: A nonaqueous heat-curing two-component polyurethane coating composition with an improved balance of scratch resistance and resistance to environmental influences is disclosed. The polyurethane is modified with N-alkyl-3-aminopropyltrialkoxysilanes or N-aryl-3-aminopropyltrialkoxysilanes.
Patent CA-2358521-A1 (CA)
Title: Valvule cardiaque souple
Inventor: CARPENTIER ALAIN F
IPC: A61F2/24
Filed: 2000-01-26
Abstract: L'invention concerne une valvule cardiaque faite dans un tissu de type extrêmement souple et comportant un extenseur structurel ayant une forme généralement cylindrique, avec des valves et des commissures pouvant se déplacer radialement. La construction des commissures de l'extenseur permet de coupler les valves aux commissures de façon à ce qu'elles puissent bouger entre ces dernières. L'extenseur peut être recouvert d'un tissu et se présenter comme un élément unique ou comme trois éléments séparés pour former une valvule à trois valves, chaque élément comportant une partie valve et deux parties commissure; les parties commissure adjacentes pour chaque paire d'extenseurs adjacents se combinent pour former des commissures d'extenseur. Si l'extenseur possède des éléments séparés, leurs parties commissure peuvent être couplées par pivot ou de manière souple ou conçues pour se séparer complètement en des feuillets indépendants au niveau des couplages biorésorbables. La couverture en tissu peut posséder un volet faisant saillie vers l'extérieur qui s'accouple avec les feuillets de valve (c'est-à-dire avec les feuillets du péricarde) tout le long des valves et commissures. On peut également placer une bande de connexion qui suit les valves et commissures et s'étend vers l'extérieur. On relie la valve au tissu naturel le long de la bande de connexion ondulante au moyen de techniques traditionnelles telles que les sutures. La bande de connexion, qui peut être un élément en silicone, se fixe à la partie inférieure de la valvule au niveau des valves pour servir de support à l'extenseur et à la partie externe de la valvule aux commissures. On utilise un support à bras multiples pour implanter la valvule, les bras servant à maintenir une forme d'implant de la valvule. Le support peut comporter six bras dont un est relié libérable à chaque valve et un autre est relié libérable à chaque commissure. L'invention concerne aussi un procédé pour implanter la valvule souple au moyen du support.
Patent CA-2361354-A1 (CA)
Inventor: ZABASHTA LIDIYA OLEKSANDRIVNA
IPC: A61C3/00
Filed: 2001-11-09
Abstract: Objects of the invention: diamond-like coating, method for its plating on the product surface and dental bur with this coating. The field of the invention:  producing wear-resistant diamond-like coatings on metal and non-metal products, in particular, on medical tools. The essence of the invention: a layer of diamond-like substance plated on the substrate by way of carbon deposition in the gas phase under the conditions of reduced pressure is an aggregate of successive sub-layers of diamond-like coating with reduced concentration of contaminants in the sub-layers interfaces areas, the layer is plated in a sealed chamber under pressures lower than atmosphere pressure controlling the product temperature during the deposition process by the method comprising plating a metal sub-layer from a separate stationary source of metal plasma and further plating diamond-like coating on products being under floating voltage, wherein before turning on each of the metal or carbon plasma sources the plasma flow is completely blocked with a shutter, then the corresponding source is turned on, and in the predetermined period of time the shutter is made open. Such a coating is plated on a dental bur. The technical result: increase of the coating thickness and increase in its strength and wear resistance.