baber/WOPTO huggingface dataset:
Patent CA-2229832-A1 (CA)
Title: Ice cream twisting apparatus
Inventor: CROSSLEY JIMMY L
IPC: B01F15/02
Filed: 1998-02-18
Abstract: An ice cream twisting apparatus includes an elongated housing with a mixing chamber formed within the interior thereof. An inlet port extends through the top of the housing to the mixing chamber to provide soft serve ice cream to the mixing chamber. A blending rod is mounted for rotation in the mixing chamber and includes a central disk which divides injected ice cream into two separate mixing chambers. A passageway through the housing to each of the individual mixing chambers permits the introduction of a desired flavor into the ice cream. The blending rod then mixes the individual flavor with the ice cream and the separate mixing chamber. Outlet tubes extend from the individual mixing chambers to an outlet port to provide two separate flavors of ice cream at the outlet port.
Patent CA-2233282-A1 (CA)
Inventor: SWEET DAVID B
IPC: B64D15/12
Filed: 1998-03-26
Abstract: A deicer comprises a skin heating means immediately subjacent an outer skin overlying an apex of a leading edge, and a skin deflection means immediately subjacent the outer skin chordwise aft of the apex.  The skin heating means prevents the formation of ice over the apex and the skin deflection means deflects the outer skin to expulse ice formed chordwise aft of the apex.
Patent CA-2234934-A1 (CA)
Title: Process for making a field emitter cathode using a particulate field emitter material
Inventor: HERRON NORMAN
IPC: H01J1/30
Filed: 1996-11-13
Abstract: A process for making a field emitter cathode by attaching a particulate field emitter material to a substrate. The particulate field emitter material is dispersed in a solution of a metal compound in a solvent and deposited onto the surface of the substrate. The substrate is heated for sufficient time to completely reduce the metal compound to the metal. The resulting field emitter cathode is a substrate coated with a thin layer of the metal with a particulate field electron emitter material embedded therein and protruding therefrom.
Patent CA-2234946-A1 (CA)
Title: Hybrid inorganic-organic environmental resistant protective compositions
Inventor: WANG HUGH H
IPC: C04B41/64
Filed: 1996-08-16
Abstract: Compositions useful for application to the surface of construction materials to improve resistance to and environment caused degradation that contain about 60 to 95 weight percent water and 5 to 40 weight percent of a mixture of an alkali metal siliconate, an organofunctional silane and a water-soluble alkali polysilicate in amounts and proportions that are within the blackened area of the above phase diagram.
Patent CA-2236840-A1 (CA)
Title: Procede de nettoyage d'une installation de filtration du type a membranes immergees
Inventor: COTE PIERRE
IPC: B01D65/02
Filed: 1996-11-19
Abstract: L'invention concerne un procédé de nettoyage d'une installation de filtration du type comportant une pluralité de membranes immergées dans au moins une cuve contenant un effluent à filtrer, ledit procédé étant caractérisé en ce qu'il comprend les étapes consistant à: vidanger au moins partiellement l'effluent contenu dans ladite cuve de façon à exposer lesdites membranes à l'air; faire passer au moins une solution de nettoyage à travers lesdites membranes selon un flux inverse au flux de filtration de l'effluent, en amenant ladite solution de nettoyage du côté perméat desdites membranes.
Patent CA-2237342-A1 (CA)
Inventor: ZHANG TIANHONG
IPC: C07H15/12
Filed: 1996-11-13
Abstract: The present invention provides new saccharide surfactants. The saccharide surfactants include diblock and triblock saccharide surfactants. The diblock saccharide surfactants have a hydrophobic segment bonded to a hydrophilic head group, that is a saccharide chain. The triblock saccharide surfactants have a hydrophobic segment bonded to two hydrophilic saccharide chains. The hydrophobic segments of the diblick and triblock saccharide surfactants comprise at least one alkyl chain having 5 to 20 carbon atoms, preferably 6 to 18 carbon atoms, more preferably 8 to 18 carbon atoms. The saccharide head groups/chains include monosaccharides, disaccharides, and oligosaccharides and have an average weight molecular range of less than 4000. Preferably the saccharide head group/chain comprises 2 to 12 sugar residues. Preferably the saccharide head groups are linked to the alkyl chains by an amide group.
Patent CA-2237604-A1 (CA)
Title: Self-stimulation signal detection in an optical transmission system
Inventor: ROBERTS KIM BYRON
IPC: H04B10/17
Filed: 1996-07-31
Abstract: An optical transmission system comprises means for modulating the optical output of a laser of an optical amplifier module with a transmitted dither;  means for measuring an incoming optical signal of the optical amplifier module for detecting a received dither; and means for processing the received dither and said transmitted dither for determining the ratio of the energy in the received dither to the energy in the transmitted dither. When the optical transmission system has a plurality of optical amplifiers, the optical output of each optical amplifier is modulated with a respective transmitted dither which is uncorrelated to the dithers transmitted by the other optical amplifiers in the transmission system. A method for monitoring the performance of an optical transmission system is also disclosed, the method comprising the steps of generating at an optical amplifier a transmitted dither of a known energy; measuring an incoming signal for detecting a received dither; and determining the ratio of energy in the received dither to the energy in the transmitted dither.
Patent CA-2239063-A1 (CA)
Title: Laminate filter media
Inventor: PIKE RICHARD DANIEL
IPC: B03C3/28
Filed: 1996-12-11
Abstract: The present invention provides a self-supporting laminate filter medium having an electret lofty spunbond web and an electret microfiber web, wherein the spunbond web has a density between about 0.01 g/cm3 and about 0.1 g/cm3.
Patent CA-2241515-A1 (CA)
Inventor: SHIMA JUNKO
IPC: A61K9/00
Filed: 1995-12-27
Abstract: An aqueous medicinal composition comprising sodium cromoglycate as the active ingredient and a quaternary, ammonium compound such as benzalkonium chloride as a preservative, and further containing a precipitation inhibitor selected from the group consisting of alkanolamines including 2-aminoethanol and tocopherols including d-.alpha.-tocopherol. The composition causes neither percipitation nor turbidity in the production thereof and during the storage thereof.
Patent CA-2248129-A1 (CA)
Title: Catalyst for the selective oxidation of sulfur compounds to elemental sulfur, method for the preparation of such catalyst, and method for the selective oxidation of sulfur compounds to elemental sulfur
Inventor: GEUS JOHN WILHELM
IPC: B01J23/76
Filed: 1997-03-04
Abstract: The invention relates to a catalyst on support for the selective oxidation of sulfur-containing compounds to elemental sulfur, comprising at least one catalytically active material that is present on a support material, wherein the catalytically active material consists at least partly of a mixed oxide with an oxidic lattice, in which at least two metals in the form of ions are included.
Patent CA-2248341-A1 (CA)
Inventor: BISCHOFF MANFRED
IPC: H01M8/14
Filed: 1997-03-05
Abstract: The subject of the invention is a method for manufacturing a cathode for a molten carbonate fuel cell by oxidation of a porous precursor electrode and contact with molten carbonate. The precursor electrode, following assembly of a layered arrangement that contains the precursor electrode, a matrix layer made of molten carbonate, and a porous anode, with a presettable curve for the current density, is oxidized anodically and doped by contact with molten carbonate.
Patent CA-2251277-A1 (CA)
Title: Intra-articular preparation for the treatment of arthropathy
Inventor: SUZUKI MAKOTO
IPC: A61K9/50
Filed: 1998-10-20
Abstract: This invention relates to an intra-articular preparation for the treatment of arthropathy, which comprises microcapsules of (a) a high-molecular substance, which has biodegradability and bio-compatibility, and (b) a drug.  When applied directly to a joint area, this preparation can achieve a high drug concentration at the target area, can inhibit occurrence of general side effect, and can maintain drug efficacy over a long term.  The preparation can therefore alleviate the burden on the patient.
Patent CA-2253262-A1 (CA)
Title: Transgenic animals expressing artificial epitope-tagged proteins
Inventor: SCOTT MICHAEL R
IPC: C07K14/47
Filed: 1997-05-29
Abstract: DNA constructs are provided of epitope-tagged proteins or protein fragments which are conveniently purified with immunoaffinity chromatography such as epitope-tagged prion proteins (PrP). Transgenic animals expressing an epitope-tagged protein are provided, including transgenic animals expressing epitope-tagged PrP. Methods for distinguishing between the conformational shapes of a protein and a convenient method for isolating a tagged protein by immunoaffinity chromatographic methods are provided.
Patent CA-2253683-A1 (CA)
Inventor: DE LA POTERIE VALERIE
IPC: A61K8/00
Filed: 1998-12-04
Abstract: La présente demande se rapporte à une composition cosmétique ou dermatologique susceptible d'être appliquée sur la peau et/ou les lèvres, compre nant au moins un polymère filmogène en dispersion et au moins une émulsion aqueuse de silicone et apte à former un film cohésif sans transfert sur les lèvres et/ou la peau.
Patent CA-2254986-A1 (CA)
Inventor: VACCARO MICHAEL P
IPC: B29D30/48
Filed: 1998-11-30
Abstract: Festoon apparatus having upper and lower sheave assemblies mounted for vertical movement upon a support column for supply and withdrawal of tire bead material. The upper sheave assembly is supported near the top of the support column by a selectively releasable latch mechanism during normal operation of the festoon apparatus. The lower sheave assembly moves upwardly on the support column during periods when bead material is withdrawn from the festoon faster than it is supplied, and downwardly when the material is supplied faster than it is withdrawn. The lower sheave assembly is connected to a cable which passes through a pneumatic cylinder, mounted upon and parallel to the support column. The cable is connected to a piston within the cylinder.      Pressure on opposite sides of the cylinder is maintained substantially equal as the piston moves together with the lower sheave assembly by means of a pilot operated regulator with pneumatic feedback. When the festoon is empty, manual operation of a valve provides pressure to the cylinder, moving the lower sheave assembly upwardly until it contacts the upper sheave assembly and supports the latter independently of the latching mechanism. An operator actuates appropriate switches to release the latch mechanism and the lower sheave assembly is lowered, with the upper sheave assembly supported thereon, by gravity as controlled by operation of the pneumatic cylinder. Both sheave assemblies are then accessible for threading of bead material thereon by an operator standing at floor level. After threading, both sheave assemblies are moved upwardly by the cylinder, the upper assembly is again latched in its upper position and normal operation resumes.
Patent CA-2256369-A1 (CA)
Inventor: DAL MONTE RENZO
IPC: A61K9/00
Filed: 1996-05-28
Abstract: A process for encapsulation of viable animal cells suitable for research and industrial applications, such as production of artificial organs, tissue and cell transplantation and production of cell derived substances, includes the steps of: a) providing sterilized supports made of organic and/or inorganic compounds and with suitable geometry to immobilize the desired loads of cells, b) incubating a cell suspension with the supports in order to ensure adhesion to the support surface, c) encapsulating the cells with a permanent layer formed by investing the supports with a reactive gas current composed of a carrier gas saturated by inorganic alkoxides for time intervals variable in function of cell nature and load, support geometry and porosity, d) treating the encapsulated viable cells with steam under mild conditions to perform total hydrolysis of residual alkoxide groups, e) storing the cells encapsulated on the supports by immersion into appropriate culture media.  The encapsulation methods enables self-survival of the cells while avoiding antibody and immune-cell invasive action.
Patent CA-2257998-A1 (CA)
Title: Synthese de l'haloalkynol
Inventor: KUO DAVID L
IPC: C07C33/42
Filed: 1997-06-10
Abstract: L'invention concerne un procédé d'halogénation d'un alkynol possédant 3 à 20 atomes de carbone, permettant d'obtenir un composé dont la formule est: R-C?(C-CH¿2?)¿x?-OH, où R est F, C1, Br ou I et x a une valeur de 1 à 18. L'invention concerne plus particulièrement un procédé de production d'alcool halopropynyle, spécifiquement d'alcool iodopropynyle. Dans un mode de réalisation, on obtient de l'alcool iodopropynyle en ajoutant de façon séquentielle de l'hydroxyde de potassium, de l'iodure de potassium et un oxydant à une solution d'alcool propynyle, à une vitesse et à une température suffisantes pour produire un alcool iodopropynyle.
Patent CA-2258588-A1 (CA)
Title: Appareil et methode de mesure de gaz utilisant une cellule optique athermique multipassages
Inventor: FRISH MICHAEL B
IPC: G01N21/03
Filed: 1997-06-23
Abstract: Appareil permettant de mesurer les concentrations de gaz dans une composition de gaz à température élevée. L'appareil inclut une cellule optique athermique multipassages (p.ex., une cellule de Herriot), un dispositif optique et un détecteur. La cellule, qui reçoit une composition de gaz à température élevée, inclut une structure de montage qui soutient une paire de miroirs concaves opposés l'un à l'autre, disposés le long d'un axe commun et séparés par une distance choisie. Un des miroirs inclut un orifice à travers lequel un faisceau d'entrée provenant d'une source lumineuse pénètre dans la cellule. Le faisceau est reflété de manière répétitive entre les miroirs avant de sortir de la cellule par l'orifice, transformé en un faisceau de sortie. La structure de montage sert à maintenir les miroirs à une distance choisie. Le dispositif optique est placé de manière à recevoir le faisceau de sortie provenant de la cellule. Un couplage optique du détecteur et d'un dispositif d'imagerie permet de recevoir le faisceau de sortie afin que l'on puisse mesurer les concentrations de gaz dans la composition de gaz à température élevée. Il est possible d'isoler la source lumineuse, le dispositif optique et le détecteur de la composition de gaz à température élevée, présente dans la cellule.
Patent CA-2259894-A1 (CA)
Inventor: ABUDA JEFFREY JAMES WILLIAM
IPC: A43B3/16
Filed: 1999-01-22
Abstract: A boot cover for use while hunting to silence noises when walking comprises, a tubular cover portion arranged to surround the boot. The tubular cover portion being formed of a plush fabric so that the cover absorbs the sounds of the boot engaging the ground and brush while walking. An open top end on the cover, an open bottom end on the cover so that, when attached to the boot, the sole of the boot is exposed for engaging the ground and a resilient material at the bottom end arranged to engage the boot, the material being sufficiently tight so that, when attached to the boot, the material is held and the cover engages the ground around the boot.
Patent CA-2262350-A1 (CA)
Title: Network address management
Inventor: MARTIN JEAN-CHRISTOPHE
IPC: G06F13/00
Filed: 1999-02-23
Abstract: Network address (e.g. IP address) allocation under first and second protocols (e.g. RADIUS and DHCP) is achieved using a directory service. A common network address pool is maintained under the control of a directory service. The directory service allocates network addresses in response to requests. The directory service also maintains a record of network address allocation to users, which can be achieved by storing a network address allocated to a user at the user's entry in the directory. Thus, for example, IP address allocation under RADIUS and DHCP can be unified using a common address pool and mappings between IP addresses and the user/hosts information in an ISO/CCITT X.500 based directory service using LDAP.
Patent CA-2262657-A1 (CA)
Title: Ventilation controlling apparatus
Inventor: HUDSON RAYMOND JOHN
IPC: F24F11/02
Filed: 1997-08-08
Abstract: A process for ventilation controlling apparatus (1) based on humidity levels.  The use of this mechanism is for the efficient removal of excessive moisture contained within the air. The success of controlling ventilation apparatus by humidity detection (2) relies on their ability to account for varying weather and local conditions along with effective energy efficient control periods. The current invention automatically adjusts itself to prevailing humidity and ventilation conditions, providing a quantitative control response to moisture production relating to operating periods of ventilation.
Patent CA-2264292-A1 (CA)
Title: Texturation et pressage de foin
Inventor: LEASHNO MOSHE
IPC: A01F15/08
Filed: 1998-07-06
Abstract: L'invention concerne un procédé et un appareil destinés à comprimer le foin de manière à pouvoir le transporter à grande distance. On texture le foin en le faisant passer par un broyeur (32) et en y ajoutant un brouillard ou une brume d'eau (302). Plutôt que de secouer les fibres du foin, le broyeur (32) les sépare, les coupe et les plie. On comprime le foin en l'alimentant à travers une conduite de compression (63) à extrémité ouverte qui fonctionne de manière péristaltique grâce à un piston (81) à commande hydraulique. On comprime mieux le foin en y appliquant une pression transversale à mesure qu'il se déplace le long de la conduite de compression (63).
Patent CA-2264326-A1 (CA)
Inventor: YOUNG PEARL
IPC: A01K63/00
Filed: 1999-03-12
Abstract: " The Aquarium Aeration Hose Organizer" is a device that holds and organizes aeration hoses neatly and tidy without the usual look of messy and disorganized hoses used in aquariums. The hose which is attached to the Aeration pump and is then placed in the aquarium and in turn is attached to an aeration ornament. The Aquarium Aeration Hose Organizer in turn will hold the hoses and keep then in tact. In this invention the Aquarium Aeration Hose Organizer is made from clear plastic dimensions are 10" by 2.5" by 1/16", on top of the plastic plate are 4 hose clips that are glued on the plastic plate spaced apart down the plastic plate. On the bottom of the plastic plate are 2 suction cups that are glued on in the middle of the plastic plate diagonally. The plastic clips have three groves in it that hold the hose in place, the clip has an arm that in turn closes and locks the hoses in place. The suction cups are used to stick the plastic plate to the side or bottom of the aquarium. The plastic plate can be used simultaneously on the side and bottom giving the aeration hoses complete organization from the point of attachment from the aeration pump and to the aeration ornament.
Patent CA-2264428-A1 (CA)
Inventor: MASUO HITOSHI
IPC: H04L45/02
Filed: 1999-03-03
Abstract: A connection route switching device disposed at plural nodes connected to a network, including routing means for communicating route information, signaling means for setting a connection, route calculating means for calculating a routing route on the basis of an instruction of the signaling means, a topology information database for holding route data of the route calculating means and renewing the route data on the basis of information from the routing means, and switching means for outputting an instruction to alter the connection setting, wherein information on places to be excluded from the route is contained in a message (SETUP message) for establishing the connection.
Patent CA-2265658-A1 (CA)
Title: Aqueous developable photosensitive polyurethane-methacrylate
Inventor: KUMPFMILLER RONALD JAMES
IPC: C08G18/48
Filed: 1997-09-03
Abstract: Butadiene-polyether prepolymers which can be used in photopolymer resins are prepared by reacting butadiene homopolymer with stoichiometric excess of isocyanate and then reacting the product with polyether diol. Thereafter the composition is reacted with hydroxyalkyl(meth)acrylate and alkyldialkanolamine. Flexographic printing plates may be prepared using photopolymer resin comprising butadiene-polyether prepolymers.
Patent CA-2267644-A1 (CA)
Inventor: BRANDENBERGER HARRY
IPC: A61M5/148
Filed: 1999-03-31
Abstract: The invention refers to a device for the non-pulsating delivery of liquids.  For this purpose, a flexible (10) bag containing a sterile liquid is introduced in a closed container (11), which is then hermetically sealed. By bleeding the container (11) thoroughly and introducing a liquid, preferably degassed water, the sterile liquid is pressed out of the bag. The bag (10) is connected through a previously assembled and autoclaved connecting unit (1, 4, 7) (for instance with a tapping system) to a sterile processing chamber (16). The medium, which is pressed with an non-sterile feeding device (21) into the container (11), flows as a sterile liquid from the bag (10) into the processing chamber (16). This makes it possible to run constant) non-pulsating flows or specific dosing curves. The system can be further developed to deliver liquid from the container in the opposite direction. The resulting underpressure exerted on the bag makes the medium flow from the sterile processing chamber into the bag, where it can be easily separated from the system.
Patent CA-2268436-A1 (CA)
Inventor: VAN DER MERWE JACOBUS ERASMUS
IPC: H04L49/111
Filed: 1997-10-10
Abstract: A switch (10) for controlling the switching of communication paths in communication equipment, such as telephone networks, is connected to controllers (11, 12, 13) via a divider unit (14). The divider unit (14) divides some or all of the resources of the switch (10) into a plurality of switch resource sets, and those switch resource sets are then associated with respective ones of the controllers (11, 12, 13). This has the effect of enabling each switch resource set to act as an independent sub-switch, with each controller (11, 12, 13) then controlling a corresponding sub-switch. This division of the resources of the switch (10) allows different control architectures to be operated simultaneously. This permits different virtual networks to be constituted on the same physical network. Any one of the controllers (11, 12, 13) has access only to the switch resource set or sets allocated to that controller (11, 12, 13). The controllers (11, 12, 13) are connected to the divider unit (14) by corresponding divider control interfaces (15, 17, 18) and the divider unit (14) is connected to the switch (10) by a switch control interface (15).
Patent CA-2268656-A1 (CA)
Inventor: DENT PAUL W
IPC: H04W88/14
Filed: 1997-09-19
Abstract: An apparatus and method for ciphering traffic exachanged in both directions between a satellite/cellular telephone and a ground station network using an orbitial satellite. A buffer memory is provided at either the mobile telephone station or the ground network station or both. The buffer memory is used to store the deciphering bits output from a duplex ciphering algorithm at the time the ciphering bits are generated. The stored ciphering bits are used to decipher a later-to-be-received traffic information block. The delay in using stored deciphering bits is determined for each call at call set-up to the nearest integer number of block periods by measuring the loop propagation delay from the ground station to the mobile telephone station during an exchange of signals at call set-up.