baber/WOPTO huggingface dataset:
Patent CA-2243703-A1 (CA)
Title: Fluid-cooled fuel cell with distribution ducts
Inventor: N LSCHER CHRISTOPH
IPC: H01M8/04029
Filed: 1996-12-18
Abstract: The invention concerns a fluid-cooled fuel cell in which the cell surfaces are supplied with reaction media via axial supply (54, 55, 56) and radial distribution ducts (54a, 55a, 56a). The distribution ducts lie in the cell surface and extend along the cell surface edge with the open side facing the active surface. According to the invention, the supply and distribution ducts are disposed in a fuel cell stack such that distribution ducts in the edge region of the cell surfaces are stacked and staggered such that the flow of medium onto the cell surface does not occur at given points along a distribution duct but such that the entire cell surface is supplied uniformly with medium.
Patent CA-2244424-A1 (CA)
Title: Laminate wafers
Inventor: KLOUBEK HELENA
IPC: B29D11/00
Filed: 1996-12-16
Abstract: A laminate optical article including a first outer layer; a second outer layer; and an inner layer positioned between said first and second outer layers, the inner layer providing a desirable optical property to the laminate optical article.
Patent CA-2245325-A1 (CA)
Title: Method of improving the abrasion resistance of a rubber composition
Inventor: MARSH HAROLD ALLEN
IPC: B60C1/00
Filed: 1998-08-19
Abstract: There is disclosed a method for improving the abrasion resistance of a cured rubber composition that is particularly suited for a tire tread compound comprising (a) dispersing from 1.0 phr to 30 phr of a C12-C36 alcohol and from 0.5 to 2.0 phr of sulfur throughout a dry isolated sulfur-vulcanizable rubber and (b) curing the rubber.
Patent CA-2246308-A1 (CA)
Title: Method for quantifying cholesterol in high-density lipoprotein
Inventor: OHARA SHUICHI
IPC: C12Q1/60
Filed: 1997-12-04
Abstract: Disclosed is a method for quantifying cholesterol in HDL, which does not require complex fragmentation and separation operations, and by which the HDL cholesterol in test samples containing HDL and other lipoproteins such as low density lipoprotein (LDL), very low density lipoprotein (VLDL) and chylomicron (CM) may be quantified selectively, simply and accurately. The method for quantifying cholesterol in high density lipoprotein comprises a first step of erasing cholesterol in lipoproteins other than high density lipoprotein in a test sample, and a second step of adding a surfactant which specifically acts on high density lipoprotein to the product of the first step and enzymatically quantifying cholesterol in high density lipoprotein.
Patent CA-2246581-A1 (CA)
Title: Procede de traitement de l'otite moyenne avec des uridines-triphosphates et des composes apparentes
Inventor: JACOBUS KARLA M
IPC: A61K31/7068
Filed: 1997-02-14
Abstract: L'invention se rapporte à un procédé destiné à faciliter le drainage du fluide congestif de l'oreille moyenne chez un sujet nécessitant ce traitement. Ce procédé consiste à administrer à l'or eille moyenne du sujet un uridine-triphosphate tel que uridine 5 '-triphosphate (UTP), un analogue d'UTP ou tout autre analogue, dans une dose efficace afin de faciliter le drainage du fluide congestif de l'oreille moyenne, par hydratation des sécrétions muqueuses de l'oreille moyenne ou par stimulation de la fréquen ce de battement ciliaire de l'oreille moyenne ou de la trompe d'Eustache. Ce procédé est utile pour traiter des patients souffrant d'otite moyenne et d'autres pathologies de l'oreille moyenne, d'otite externe et de pathologies de l'oreille interne telle que la maladie de Ménière. L'invention se rapporte également à des formulations pharmaceutiques et à leurs procédés de fabrication, ainsi qu'aux procédés d'administration de ces formulations qui comprennent toute suspension liquide (y compris gouttes ou pulvérisations nasales), administrée par voie orale, locale inhalée par nébulisation, injectée ou sous forme de suppositoire.
Patent CA-2248718-A1 (CA)
Title: Expandable stent and method for delivery of same
Inventor: PENN IAN M
IPC: A61F2/915
Filed: 1997-03-05
Abstract: An expandable stent comprising a proximal end and a distal end in communication with one another and a tubular wall disposed between the proximal end and the distal end. The tubular wall has a longitudinal axis and a porous surface defined by a plurality of intersecting members comprising a series of longitudinal struts disposed substantially parallel to the longitudinal axis of the stent. Each longitudinal strut in the series comprises flexure means for substantially complementary extension and compression of a diametrically opposed pair of the longitudinal struts upon flexure of the stent. The stent is expandable from a first, contracted position to a second, expanded position upon the application of a radially outward force on the stent. The provision of such flexure means in the series of longitudinal struts leads to a very desirable balance of lateral flexibility of the unexpanded stent and radial rigidity of the expanded stent.
Patent CA-2249826-A1 (CA)
Inventor: JIN GARY Q
IPC: H04L7/00
Filed: 1998-10-08
Abstract: A symbol synchronization and timing recovery method for stabilizing jitter in a data receiver is provided.  A one tap LMS algorithm is used for a pre-cursor estimate.  A dead zone is set around the desired timing location and the local clock in the receiver is updated only if the timing signal is outside of the dead zone.
Patent CA-2250316-A1 (CA)
Inventor: TEPIC SLOBODAN
IPC: A61F2/30
Filed: 1997-02-27
Abstract: In this method for cementing an implant into bone by means of an autopolymerising two-component bone cement the implant, in particular the stem of a hip prosthesis is preheated above room temperature prior to its cementing into bone, preferably to at least 43° C. By this method the stem-cement interface is warmer than the bone-cement interface and consequently a stiff cement shell will form first around the stem and the cement will shrink towards the stem and away from the bone. The resulting reduction of porosity at the stem-cement interface improves significantly the fatigue life of the system.
Patent CA-2250397-A1 (CA)
Title: Improvements in or relating to encapsulation
Inventor: BROWN MALCOLM DAVID
IPC: A61J3/07
Filed: 1997-03-25
Abstract: A method of encapsulation is characterised by supplying to an encapsulation unit two films of like material capable of deforming elastically at least when partially solvated, and applying solvent to at least one of the films prior to encapsulation to cause partial solvation of the material surface, such that the partially solvated surface can adhere to and seal with the film material. In the encapsulation unit the substance to be encapsulated e.g. a cosmetic oil or vitamin preparation is supplied between the films, the films are formed, typically by a moulding process, into suitably shaped capsule portions which can adhere to each other as a result of the adhesive action of the partially solvated surface(s), and which seal together encapsulating the supplied substance, forming a capsule. The invention enables encapsulation using materials other than gelatin, such as polyvinyl alcohol. Also disclosed is encapsulation apparatus and the resulting capsules.
Patent CA-2251343-A1 (CA)
Title: Method and apparatus for manufacturing chips for a thixomolding-process injection molding machine
Inventor: KITAMURA KAZUO
IPC: B22F9/04
Filed: 1998-10-23
Abstract: In a method and an apparatus for manufacturing chips for a thixomolding-process injection molding machine, primary crushed pieces obtained by fragmenting and crushing metal alloy wastes are cut and fragmented by a chip manufacturing apparatus having fixed blades, rotating blades, and a screen so as to obtain chips, with the result that the surfaces are polished, and a powder is eliminated by forced exhaust air, thereby making it possible to manufacture the chips while preventing ignition and explosion.
Patent CA-2251418-A1 (CA)
Inventor: HARUNA JUNSUKE
IPC: C10M159/12
Filed: 1998-10-23
Abstract: Lubricating compositions are described which contain organomolybdenum compounds and sulfur compounds (donors). The copper corrosion of said compositions is reduced by reacting the sulfur donors with plant oils to reduce sulfur activity and thus copper corrosion prior to the sulfur donors being added to the majority of oil to form a lubricating composition.
Patent CA-2253051-A1 (CA)
Inventor: BARTLETT J PIKE JR
IPC: A01K69/06
Filed: 1998-11-06
Abstract: A wire mesh lobster trap having a pair of concrete runners positioned on, and extending below, the side edges of the trap and a method for producing same are disclosed.
Patent CA-2253611-A1 (CA)
Title: Method and colour compositions to produce decorated ceramic and glass products
Inventor: ZIMMER MICHAEL
IPC: C04B41/85
Filed: 1998-03-05
Abstract: The invention relates to a method for producing decorated ceramic or glass products, involving ceramic colour compositions containing fine particles comprising fire-resistant colouring agents (pigments), flux and binding resin wherein the weight ratio between fire-resistant colouring agents, flux and binding resin is 20-40:10-30:30-70, and also comprising charging control agents, which are applied to the ceramic or glass product by means of an electro-photographic reproduction method and joined to said product by firing. The invention further relates to decorated ceramic or glass products that can be obtained according to the above-mentioned method, and to a ceramic colour composition of the above-mentioned type.
Patent CA-2254067-A1 (CA)
Inventor: HUANG CHUN HUA
IPC: C11D1/62
Filed: 1997-05-13
Abstract: Disclosed is a detergent composition comprising a specific amylase enzyme at a level from about 0.005 % to about 0.05 % pure enzyme, typically by weight of total composition, a cellulase, typically at a level from about 0.002 % to about 0.02 % pure enzyme by weight of total composition, and a cationic surfactant.
Patent CA-2255355-A1 (CA)
Inventor: CHAWLA KAPIL K
IPC: H04B17/00
Filed: 1998-12-09
Abstract: Un procédé et dispositif pour la gestion du brouillage dans un système de communication sans fil. Chaque base génère une séquence de faisceau d'arrêt prévisible, et des bornes mesurent le signal reçu au cours du temps. Ce signal reçu est ensuite utilisé pour estimer ou mesurer les performances pour programmer les transmissions dans le terminal.
Patent CA-2256882-A1 (CA)
Inventor: CARLSEN STEPHEN E
IPC: G06T3/00
Filed: 1998-12-21
Abstract: Methods and apparatus for blending graphics objects.      In one aspect, a method includes receiving a first graphics object; rendering the first graphics object to produce a first pixel map having a first bit depth; increasing a bit depth of a second pixel map associated with a second graphics object that is to be blended with the first graphics object, where the second bit depth is less than the first bit depth; and blending the first and second pixel maps. The method may be implemented to blend graphics objects received by a printing device. In one embodiment, the invention features blending deep pixel data received by a printing device with corresponding shallow halftoned data stored in a shallow frame buffer. The invention may be implemented as a printer configured to receive a page description language description of a page to be printed, the printer including a dehalftone engine for deriving deep pixel data values for objects stored in a shallow frame buffer. In another aspect, the invention features using a pixelmap representative of underlying graphics data for transfer between a host and a remote device by transmitting a halftone representation of the pixelmap from the host to the remote device and reconstructing the pixelmap at the remote device from the halftone representation and a threshold matrix.     80764.P11
Patent CA-2257219-A1 (CA)
Title: Coaxial cable tap
Inventor: WAGNER GARY
IPC: H04H20/76
Filed: 1996-10-21
Abstract: A method of forming a tap into an intermediate point on a continuous coaxial cable (1000), the cable having an inner conductor (1010), a dielectric (1020) surrounding the inner conductor, and an outer conductor (1002) surrounding the dielectric, the method comprising the steps of: forming an opening in the outer conductor of the coaxial cable; forming a cavity in the dielectric under the opening; mounting a tap insert (20) to the coaxial cable, the tap insert comprising a tap insert enclosure, a coupler assembly supported by the tap insert enclosure (21), the coupler assembly having at least one of the following characteristics: it can extract signals from the center conductor, it can insert signals into the center conductor, it can extract power from the center conductor, and it can insert power into the center conductor, and means for mounting the tap insert to a coaxial cable tap housing; and locating the coupler assembly in the cavity. A tap assembly, suitable for use in the method, the tap assembly comprising a tap housing (100) and a tap insert. The tap housing comprising: a first end portion; a second end portion; an intermediate portion having a recess (14); means for fixing the housing around an intermediate point on a continuous coaxial cable; an alignment element (512) having a predetermined spatial relationship with the recess; and means for mounting a tap insert to the recess. The tap insert including a signal coupler assembly mounted on a tap baseplate; and means for providing RF and/or power input and/or output.
Patent CA-2257975-A1 (CA)
Title: Method and apparatus for data processing
Inventor: DAHL ULF
IPC: G06F16/90
Filed: 1997-06-18
Abstract: The invention relates to a method and an apparatus for processing data that is to be protected. The data is stored as encrypted data element values (DV) in records (P) in a first database (O-DB), each data element value being linked to a corresponding data element type (DT). In a second database (IAM-DB), a data element protection catalogue (DC) is stored, which for each individual data element type (DT) contains one or more protection attributes stating processing rules for data element values (DV), which in the first database (O-DB) are linked to the individual data element type (DT). In each user-initiated measure which aims at processing a given data element value (DV) in the first database (O-DB), a compelling calling is initially sent to the data element protection catalogue for collecting the protection attribute/attributes associated with the corresponding data element types. The user's processing of the given data element value is compellingly controlled in conformity with the collected protection attribute/attributes.
Patent CA-2260697-A1 (CA)
Title: Metal deactivator for cobalt catalyzed polymers
Inventor: CASTNER KENNETH FLOYD
IPC: C08L9/00
Filed: 1999-02-05
Abstract: Various benefits can be attained by utilizing trans-1,4-polybutadiene in tire rubber compounds. For instance, the green strength of tire rubber compounds can be improved by including trans-1,4-polybutadiene therein. The inclusion of trans-1,4-polybutadiene in tire rubber compounds is also beneficial because it is strain crystallizable. However, due to its high melting point, it is normally necessary to heat trans-1,4-polybutadiene in order for it to be processed using conventional mixing equipment. This heating step is typically carried out by storing the trans-1,4-polybutadiene in a "hothouse" for a few days prior to its usage. During this storage period, the polymer typically undergoes undesirable oxidative crosslinking which is caused by residual cobalt catalyst and leads to gelation. In fact, the gelation can render the trans-1,4-polybutadiene unprocessable. This invention is based upon the unexpected finding that certain substituted benzoic acids, such as salicylic acid, thiosalicylic acid and acetylsalicylic acid, will act as metal deactivators in polymers. By utilizing the technique of this invention, residual cobalt and/or other metals, such as nickel, that act as prooxidants in polymers, such as trans-1,4-polybutadiene, can be deactivated. This invention more specifically discloses a stabilized trans-1,4-polybutadiene composition which is comprised of trans-1,4-polybutadiene and a substituted benzoic acid selected from the group consisting of salicylic acid, thiosalicylic acid and acetylsalicylic acid.
Patent CA-2261638-A1 (CA)
Title: Rotary electric machine with radial cooling
Inventor: IVARSON CLAES
IPC: H02K9/19
Filed: 1997-05-27
Abstract: A rotating electric machine comprising a stator (1) wound with a high-voltage cable and provided with stator teeth (4) extending radially inwards from an outer yoke portion (5), wherein at least one stator tooth (4) is connected to at least one cooling tube (18) running radially in the stator tooth (4) and connected to a cooling circuit (34) in which coolant (36) is arranged to circulate and wherein the cooling is arranged to take place over at least most of the axial extension of the stator tooth (4), and also a method of cooling a rotating electric machine provided with high-voltage stator windings, wherein the stator is cooled by a coolant (36) being caused to circulate in a cooling circuit (34) through cooling ducts running radially through the stator teeth (4).
Patent CA-2263114-A1 (CA)
Inventor: VAN HAUWERMEIREN TIM MARIA JOR
IPC: C11D3/384
Filed: 1997-08-13
Abstract: The present invention relates to laundry detergent compositions comprising a protease and a protease-directed antibody in order to provide excellent cleaning performance and fabric care performance.
Patent CA-2263558-A1 (CA)
Inventor: LAM ANDREW C
IPC: A61K9/20
Filed: 1997-08-08
Abstract: A bilayer and trilayer tablet and a dosage form are disclosed for administering a controlled and increasing dose of drug over time. A method is disclosed also for administering an increasing dose of drug over time.
Patent CA-2264869-A1 (CA)
Title: Handheld materials tester
Inventor: NIEDERAUER GEORGE M
IPC: G01N3/48
Filed: 1997-08-22
Abstract: A handheld materials testing device (101, 102) is provided for m easuring compressive properties of a material, preferably articular cartilage in vivo. The device is computer-controlled and provides a readout indicative of the desired compressive property, which in the case of bodily tissue, may be indicative of the state of health of the tissue.  The device does not require precise perpendicular alignment and is preferably capable of compensating for force applied by the user against the tissue.
Patent CA-2264951-A1 (CA)
Inventor: HURST DAVID NIGEL
IPC: A61K31/00
Filed: 1999-03-30
Abstract: The invention is concerned with amino acid derivatives of the formula   wherein E represents -CHO or -B(OH)2 and R1, R2, R3, R4, R5, R6, R7, R8 and R9 have the significances given in the description, and salts of acidic compounds of formula I with bases, which are viral proteinase inhibitors useful as antiviral agents, especially for the treatment or prophylaxis of infections caused by Hepatitis C, Hepatitis G and human GB viruses.
Patent CA-2265447-A1 (CA)
Title: Novel human phospholemman-like protein
Inventor: GOLI SURYA K
IPC: A61P25/16
Filed: 1997-10-02
Abstract: The present invention provides a novel human phospholemman-like protein (HPLP) and the polynucleotides which identify and encode HPLP. The invention provides for genetically engineered expression vectors and host cells comprising the nucleic acid sequence encoding HPLP and for a method for producing the protein. The invention also provides pharmaceutical compositions containing HPLP and the use of such compositions for the prevention or treatment of diseases associated with the expression of HPLP. Additionally, the invention provides antisense molecules to HPLP and their use in the treatment of diseases associated with the expression of HPLP. The invention also provides diagnostic assays which utilize polynucleotides which hybridize with naturally occurring sequences encoding HPLP and antibodies which specifically bind to the protein.
Patent CA-2271802-A1 (CA)
Inventor: BJOERK PETER
IPC: H04Q7/22
Filed: 1997-11-27
Abstract: L'invention porte sur un procédé d'estimation précise de la vitesse d'une station mobile dans un système cellulaire de télécommunications. En tenant compte de l'effet Doppler de l'information d'un paquet reçu, on calcule le décalage de fréquence pour chaque paquet reçu. Pour chacun des paquets, on calcule un facteur de qualité de signal qu'on compare avec un seuil prédéterminé de qualité de signal. On obtient ainsi la valeur absolue de chacun des décalages de fréquence dont la qualité de signal atteint ou dépasse le seuil prédéterminé de qualité de signal. Les décalages de fréquence dont la qualité du signal n'atteint pas le niveau du seuil sont rejetés. On calcule ainsi la moyenne totale des décalages de fréquence laquelle permet une estimation précise de la vitesse de la station mobile. On peut ainsi distinguer facilement les vitesses des stations mobiles lentes et de celle des stations rapides et utiliser efficacement la structure hiérarchique des cellules pour améliorer la capacité, et réduire les transferts dans un système cellulaire de télécommunications.
Patent CA-2273460-A1 (CA)
Title: Furniture construction
Inventor: GLASS PETER
IPC: F16B12/46
Filed: 1999-06-02
Abstract: Specially designed articles of furniture for use in conference and office settings which include a plurality of uniquely configured supporting legs, one or more article support structures disposed centrally of the supporting legs and a novel connector member for interconnecting the support structures of the legs. The connector member also enables the quick and easy interconnection of the polygonal panels that make up certain of the article support structures of the apparatus. The articles of furniture of the invention can be used to support and transport a wide variety of devices such as audio and video equipment, slide projectors, overhead projectors and the like.
Patent CA-2273658-A1 (CA)
Inventor: YEAP TET HIN
IPC: H04B3/30
Filed: 1999-06-07
Abstract: In order to overcome problems when using an adaptive filter for cancellation of common-mode noise in digital subscriber loops, caused by a portion of the differential signal being converted to common mode, which degrades the performance of the filter, a noise cancellation technique is proposed which compensates for this cross-coupled signal energy. In particular, a digital noise detector is used to detect one or more noisy frequency bands of the common mode signal and pass only the digitized common mode signal in those detected frequency bands through the adaptive filter to produce a digital common mode noise estimate signal. A control unit adjusts coefficients of the adaptive filter to reduce correlation between the differential signal and common mode signal. It is also proposed to compensate for the effects of stray capacitive coupling across the usual hybrid device by including an equivalent capacitive component in a common mode noise estimation circuit.
Patent CA-2276985-A1 (CA)
Title: Catalytic microgels
Inventor: WILKINSON TERENCE SEAN
IPC: B01J31/10
Filed: 1999-06-30
Abstract: A microgel having on the surface of particles thereof an acid residue, in particular a sulphonic acid residue, which can act as a catalyst.      Microgels of this type can be used to catalyse hydrolysis reactions of compounds such as certain chemical warfare of pesticide reagents which are subject to acid hydrolysis.      The may be applied to surfaces or be incorporated into coatings such as paints, which are applied to surfaces which are liable to come into contact with these compounds.
Patent CA-2280830-A1 (CA)
Title: Method for separating 2-aminomethylcylclopentylamine from a mixture containing hexamethylene diamine and 2-aminomethylcyclopentylamine
Inventor: REHFINGER ALWIN
IPC: C07C211/36
Filed: 1998-01-17
Abstract: The invention relates to a method for separating 2-aminomethylcyclopentylamine from a mixture containing hexamethylene diamine and 2-aminomethylcyclopentyl-amine, characterized in that separation occurs by distillation in the presence of water.