baber/WOPTO huggingface dataset:
Patent CA-2214238-A1 (CA)
Title: System and method for carrying out and managing animal feedlot operations
Inventor: CARISH JAMES
IPC: A01K5/02
Filed: 1997-08-29
Abstract: An animal feedlot management system is disclosed, wherein each feed delivery vehicle employed therein uses real-time virtual reality (VR) modelling and coordinate acquisition techniques supported upon an Internet-based (i.e., Cyberspace) communications platform in order to carry out various types of feedlot operations. Each feedlot vehicle has an on-board computer system which includes a VR subsystem, for accessing a VR database maintaining information representative of a VR model of the feedlot and the objects present therein (eg., tagged animals, pens, alley ways, feedbunks, buildings, vehicles, etc.) The database is continually updated using information obtained from a global satellite-based positioning system (GPS), as well as of local information acquisition systems integrated therewith. Each VR subsystem is linked to a wireless digital communications network realized as a portion of the Internet, provided with feedlot Web site server. Each VR subsystem includes a stereoscopic display subsystem for stereoscopically viewing any portion of the VR feedlot model, including the driver's vehicle as it is being navigated through the feedlot in either a manned or unmanned mode of navigation during feedlot operations. Each feedlot computer system may also include a stereoscopic vision subsystem having a field of view along the navigational course of the remotely controlled vehicle. The navigational courses of these remotely navigated vehicles can be preprogrammed in an orchestrated manner to avoid collisions and optimize the time and energy required to carry out feedlot operations, while reducing the operating cost of the feedlot as well as the number of employees required to support its operations.
Patent CA-2214351-A1 (CA)
Title: Adhesives
Inventor: WEBSTER IAIN
IPC: A61L15/58
Filed: 1996-03-18
Abstract: There are described novel pressure-sensitive adhesives comprising polyurethanes, polyacrylates, silicones and polyesters which are UV-activated in a solventless system. There are also described novel precursors to such pressure-sensitive adhesives, methods of their manufacture and articles comprising pressure-sensitive adhesives.
Patent CA-2214408-A1 (CA)
Title: Production of polysuccinimide in an organic medium
Inventor: MARTIN DAVID ALBERT
IPC: C08G73/10
Filed: 1996-02-27
Abstract: There is disclosed a process for preparing polysuccinimides by the thermal condensation of amino acids such as L-aspartic acid in high boiling organic reaction medium whereby a polymer is provided having highly desirable color characteristics. The organic medium is selected from high boiling alkyl alcohols having from 7 to 14 carbon atoms such as isodecanol and high boiling alkanes having from 10 to 20 carbon atoms such as dodecane. The organic medium can be employed in conjunction with acid catalysts for the condensation reaction and can be easily recovered for reuse with little or no need for purification.
Patent CA-2215574-A1 (CA)
Inventor: BAGGIO ORIELLA
IPC: A47L13/59
Filed: 1997-08-12
Abstract: L'invention concerne une essoreuse pour des bandes à franges ou serpillières comprenant un panneau presseur à mouvement de translation parallèle, caractérisé en ce qu'elle permet d'obtenir, par un déplacement normal du manche de commande, une grande ouverture pour l'introduction des bandes à franges ou serpillières et en ce qu'elle est dépourvue de fond pour permettre aux bandes à franges ou serpillières de pouvoir être plongées dans le liquide contenu dans un seau sous-jacent.
Patent CA-2216070-A1 (CA)
Inventor: SARTAIN SAMUEL D
IPC: A62C35/20
Filed: 1997-11-04
Abstract: A fire-fighting apparatus for use in the home or a small of lice employing an enclosure or cabinet designed to fit in a wall and between the studs thereof into which a water supply line is attached (o a control valve. attached in turn to a coiled lay-flat garden-type hose. The coil or hose is held to the rear of the cabinet by compression against the interior walls or the cabinet and has an adjustable spray nozzle attached to the free end thereof. One or more chemical fire extinguishers may also be housed in the cabinet.
Patent CA-2219562-A1 (CA)
Inventor: WANG CHING-BORE
IPC: G03F1/62
Filed: 1997-10-29
Abstract: An optical pellicle and package are disclosed.  The optical pellicle includes a pellicle membrane and a pellicle frame with a cover side, a membrane side and an outer edge.  The pellicle membrane is mounted and covers a substantial portion of the membrane side of the pellicle frame. The membrane side of the pellicle frame includes a peripheral region that extends beyond the pellicle membrane.  In one embodiment of the invention, the peripheral region includes a relieved portion at the periphery of the membrane side of the pellicle frame.  Another embodiment includes one of the previously described optical pellicles and a package. The package includes a first piece and a second piece.  The first piece includes a structure for supporting an optical pellicle. The structure is configured to support the optical pellicle so that the pellicle membrane is free from contact with the first piece of the package. The second piece of the package is configured to mate with the first piece, thereby enclosing the optical pellicle within the package. When enclosed within the package, the pellicle is free from contact with the first and second pieces of the package. Finally, a method for assembling such a packaged pellicle is also disclosed.
Patent CA-2220111-A1 (CA)
Title: Neutralization of tall oil soap
Inventor: AITTA EERO
IPC: C11B13/02
Filed: 1996-05-03
Abstract: The invention relates to a method for improving the separation of water in a tall oil preparation process which comprises: a neutralization step, in which a mixture of tall oil soap and water is neutralized with carbon dioxide; a water separation step, in which the aqeuous phase containing bicarbonate is separated from the tall oil soap; and a cooking step, in which the tall oil soap obtained from the previous step is cooked with sulfuric acid in order to form tall oil, the improvement comprising the fact that, after the neutralization with carbon dioxide but before the water separation step, the pH is adjusted with an acidically reacting substance, such as bisulfite. The invention also relates to a method for the preparation of tall oil, the method comprising the steps stated above.
Patent CA-2220240-A1 (CA)
Inventor: YU JUN
IPC: G02F1/225
Filed: 1997-11-05
Abstract: A multi-quantum-well Mach-Zehnder optical phase modulator selectively generates positive and negative frequency chirp.  The modulator has an asymmetric input y-junction coupler and an asymmetric output y-junction coupler joined by interferometric arms defining two optical paths of unequal length so as to generate a fixed phase difference of .pi. or an integral odd multiple thereof.  The modulator has electrodes on each arm for receiving modulating electric fields in a push-pull relationship.  A control electrode is provided on  one of the arms for receiving a control electric field.  The modulator, when driven without any control electric field generates negative frequency chirp, and selectively generates positive frequency chirp in response to adjustment of the control electric field.  As an alternative, the length differential between respective arms can be selected to generate a phase difference of .pi./2, in which case control electrodes are required on each of the interferometric arms.  A method of selectively generating a modulated optical signal having selectively configurable frequency chirp is also described.
Patent CA-2220825-A1 (CA)
Title: Mining bit
Inventor: ENGSTROM ROBERT W
IPC: E21B10/42
Filed: 1997-11-12
Abstract: A rotary mining bit is particularly suitable for use in  the  drilling  of  blasting  holes  in  the  mining industry, but may also be used for drilling wells and the  like  in  both  soft  materials  and  hard,  rocky materials. The bit comprises a central hollow body with a plurality of wings extending outwardly therefrom, with each wing having a leading edge with a plurality of cutting tooth sockets disposed therealong and each of the sockets having a cutting tooth affixed therein.  The outermost cutting teeth on each wing describe a gauge row diameter,  which defines the diameter of a hole formed using the present bit.   The outermost cutting teeth are each angled outwardly, away from the axis of the bit and lateral edge of the wing.  An inner or apex row  of  teeth  describes  a  smaller  cutting  circle diameter, with intermediate teeth on each row preferably being  irregularly  spaced between  the  outermost  and innermost  teeth  on  each  respective  wing,  so  each intermediate tooth describes a different diameter circle from the others.   The back of each cutting tooth is accessible  through the open back of  its  respective socket,  allowing  the  teeth  to  be  driven  out  for replacement as required without need for special tools or fittings.  The large central passage through the body of the bit allows air and/or liquid coolant and/or lubricant  to  pass  through  the  body  essentially unimpeded, and to resist clogging or plugging due to debris in the hole during drilling operations.
Patent CA-2222057-A1 (CA)
Inventor: SIEBELS RANDY L
IPC: H01H1/023
Filed: 1997-03-27
Abstract: An electrical contact for use in an electrical switching device is provided having low contact resistance, high wear resistance and high anti-weld characteristics. The contact includes a material composition of between 0.2 and 8 % by weight Gr, between 10 and 90 % by weight W and the remaining mixture consisting of Ag. The contact is manufactured using a process which yields a unique microstructure characterized by not having an interconnected Gr network around the Ag thereby providing a strong Ag to Ag bond. This process includes the steps of adding the appropriate amounts of Ag, W and Gr powder material together, blending together under low shear conditions to provide a homogeneous powder mixture while prohibiting the Gr from smearing onto the Ag, pressing the material mixture to form a contact, and then sintering and coining the contact.
Patent CA-2222097-A1 (CA)
Title: Membranes of polyurethane based materials including polyester polyols
Inventor: GOLDWASSER DAVID
IPC: B29C48/16
Filed: 1996-06-06
Abstract: The present invention relates to membranes (28) including an urethane including a polyester polyol, wherein the membrane (28) has a gas transmission rate of 15.0 or less for nitrogen gas wherein the membrane (28) has an average thickness of approximately 20.0 mils. Under certain embodiments, the membranes (28) include blends of one or more polyester polyol based thermoplastic urethanes and one or more barrier materials. The membranes can be employed in a variety of applications and can be used as either monolayers (30A) or multilayered laminates (28A).
Patent CA-2222390-A1 (CA)
Title: System and method for handling multimedia datastreams employing shared loop architecture multimedia subsystem clusters
Inventor: ADIGA ASHOK K
IPC: H04N7/173
Filed: 1997-11-27
Abstract: In order to increase the number of datastreams provided by a multimedia system, a cluster of clusters of multimedia A/V server subsystems is provided. Each cluster in turn is comprised of a plurality of A/V servers, a shared loop architecture plurality of data storage devices interconnected to the A/V servers whereby any storage device is substantially equally accessible by any of the servers in the cluster; and a highly available control server subsystem interconnected to the A/V servers and the data storage devices for controlling the A/V servers and the data storage devices. Each of the clusters is interconnected to a high speed switch for delivery of datastreams from the cluster to the end user. One of the control server subsystems also serves as a master control server assigning a request for a datastream to one of the clusters.
Patent CA-2223924-A1 (CA)
Title: Iodine-containing peptides
Inventor: MUSCHICK PETER
IPC: A61K49/04
Filed: 1996-06-06
Abstract: Iodine-containing peptides of general formula (I) in which R1, R2, R3, R4, a, m and q have the meanings indicated in the description, agents containing these compounds, the use of compounds as contrast media as well as processes for their production are described.
Patent CA-2225954-A1 (CA)
Inventor: TASSOUDJI ALI
IPC: H01Q1/36
Filed: 1997-04-28
Abstract: A coupled multi-segment helical antenna is provided having a length that is shorter than otherwise obtainable for a conventional half-wavelength antenna.  The coupled multi-segment helical antenna includes a radiator portion (800) having a plurality of helically wound radiators (804) extending from one end (832) of the radiator portion to the other end (834) of the radiator portion (800). Each radiator (804) is made up of a set of two or more segments (708, 710). A first segment (708) extends in a helical fashion from the first end (832) of the radiator portion (800) toward the second end (834) of the radiator portion. The second segment (710) extends in a helical fashion from the second end (834) of the radiator portion (800) toward the first end (832) of the radiator portion, wherein a portion of said first radiator segment (708) is in proximity with a portion of said second radiator segment (710) such that said first and second radiator segements (708, 710) are electromagnetically coupled to one another.
Patent CA-2226136-A1 (CA)
Inventor: MURPHY KEVIN
IPC: F16K15/20
Filed: 1998-01-02
Abstract: A connector adapted for a quick connection to and for sealing and filling a valve assembly, such as a Schraeder Valve. The connector provides a secondary containment feature which prevents leakage when removing the connector, thereby improving performance and efficiency. The connector includes a collet member at one end that fits over the threaded portion of the valve assembly and, when closed, compresses a seal that engages the external threads of the valve, thereby elimination the need for threading an external fitting on the valve assembly. As the system pressure increases, an internal plunger, having a forward flow orifice and a rear inlet orifice, in axially displaced and depresses the valve assembly stem. Simultaneously, the forward orifice passes ahead of an internal O-ring and allows fluid flow. As pressure is relieved from the system, the plunger and forward flow orifice move behind the internal O-ring and seal the piston chamber, thereby preventing leakage when removing the connector.
Patent CA-2227864-A1 (CA)
Title: Dna strands coding for glycerol-3-phosphate acyltransferase
Inventor: TOGURI TOSHIHIRO
IPC: C12N9/10
Filed: 1996-07-03
Abstract: DNA strands having the ability to biotechnologically produce glycerol-3-phosphate acyltransferase (ATase) useful for converting the property of the PG of membrane lipids into that of more chilling resistance, specifically a chimeric gene of glycerol-3-phosphate acyltransferase (ATase) cDNA derived from squash in which the about one-third central region (the site cleaved by Kpn I and Hind III) has been replaced with the corresponding region of spinach ATase cDNA, a cDNA derived from squash in which the about one-sixth central region (the site cleaved by Hind III and Sac I) has been replaced with the corresponding region of spinach ATase cDNA, or a chimeric gene of ATase cDNA, derived from spinach in which the about one-third 3'-terminal region (the site cleaved by Kpn I and Eco RI) has been replaced with the corresponding region of squash ATase cDNA are disclosed.      These chimeric genes can express a chimeric ATase which has a higher substrate selectivity to unsaturated fatty acids. The DNA strand is introduced and expressed in a chilling sensitive plant, so that it can afford a plant the chilling resistance higher than that afforded by the ATase gene derived from a known chilling resistant plant.
Patent CA-2228007-A1 (CA)
Title: Procede de detection automatique d'un fonctionnement en limite de stabilite d'une installation de transport pneumatique d'un produit en vrac en phase dense
Inventor: DESTOOP THIERRY
IPC: B65G53/06
Filed: 1997-05-27
Abstract: Le procédé permet de détecter automatiquement un fonctionnement en limite de stabilité d'une installation de transport pneumatique d'un produit en vrac en phase dense, dans laquelle le gaz de transport et le produit en vrac sont introduits séparément dans une écluse (3) qui communique en sortie avec une conduite (4) pour le transport pneumatique du produit en vrac. Il consiste à mesurer la pression (Pe), dite pression d'écluse, qui est exercée par le gaz de transport au voisinage de la zone d'introduction (3<u>a</u>) du produit en vrac dans la conduite de transport (4), et à détecter une instabilité de la pression d'écluse (Pe) mesurée, sur une durée prédéterminée (t), au moyen d'un critère de stabilité prédéfini. Plus particulièrement, le critère de stabilité consiste à réaliser au moins un découpage flou des valeurs de pression (Pe) mesurées, selon une fonction d'appartenance, une période d'échantillonnage, et sur un intervalle prédéfini, et à calculer un indice de stabilité à partir de ce découpage flou.
Patent CA-2234869-A1 (CA)
Title: Transition metal-magnesium catalyst precursors, catalysts and polymerization processes
Inventor: ABBOTT RONALD G
IPC: C08F4/6592
Filed: 1998-04-16
Abstract: A catalyst precursor, catalyst, prepolymer, methods for preparing same and olefin polymerization processes employing such catalysts are provided. The catalyst precursor is prepared by the process comprising adding a magnesium source to a solution comprising at least one transition metal compound and an alkyl halide, wherein the magnesium source is prepared by reacting magnesium, an alkyl halide and a Bronsted acid. The catalyst precursor, catalyst, prepolymer and polymer exhibit a relatively large mean particle size, a reduced amount of fines and the prepolymer exhibits an increased molecular weight.
Patent CA-2235200-A1 (CA)
Title: Fluid flow limiting device
Inventor: NISSELS ROBERT
IPC: A61M1/00
Filed: 1998-04-21
Abstract: A device for limiting the flow of a fluid from a first region of a patient's body to a second region includes a primary passage for directing fluid from an inlet of the device to an outlet in response to the fluid flow rate being less than a predetermined level and a secondary passage for directing fluid from the inlet to the outlet in response to the flow rate being greater than or equal to the predetermined level. The secondary passage can be characterized as a tortuous flow path and presents a higher resistance to fluid flow than the primary passage. A detector is operative to close the primary passage in response to the flow rate reaching the predetermined level in order to force the fluid to pass through the secondary passage. With this arrangement, when the fluid flow rate reaches a level characteristic of overdrainage, the fluid is forced through the secondary passage in order to effectively reduce the fluid flow rate and prevent overdrainage. As soon as the flow rate decreases below the predetermined level, the primary passage opens itself automatically.
Patent CA-2237569-A1 (CA)
Inventor: DOMAS BEN V
IPC: B60Q3/06
Filed: 1996-08-06
Abstract: A lighting system using piped light is provided for the cargo space of a truck (10). A light source (32) mounted on the truck body (14) is energized by the truck electrical system through a switch (48) in the cab (12). Plural lithting fixtures are mounted to the roof (18) of the truck body for illuminating the cargo space. Each lighting fixture receives light which is piped through a separate light pipe (38) from the source to the fixture. There are two sets of lighting fixtures each of which is disposed in a linear array extending along a line from the front to the rear of the truck body. The light pipes (38A) for one set of lighting fixtures are all disposed in a first enclosure (96) and the light pipes (38B) for the other set of lighting fixtures are all disposed within a second enclosure (98). Certain sections (96A, 96B, 98A, 98B) of the enclosures are provided with a transparent lens and certain light pipes within the enclosures emit side light through the lens. A lighting fixture at the rear door (26) of the truck body is provided with an optical switch for turning the lighting fixture on or off.
Patent CA-2238160-A1 (CA)
Title: Installation for in situ monitoring the quality of habitat of aquatic organisms
Inventor: MANUEL JOAN L
IPC: G01N33/18
Filed: 1998-05-21
Abstract: An installation for in situ monitoring the quality of a habitat of aquatic organism with minimal disturbance to the aquatic organisms. In a first aspect of the present invention, the monitoring installation uses invertebrate sentinel species such as mussels, clams, oysters and scallops. The monitoring installation comprises broadly, a buoy; a mooring and a monitoring apparatus comprising; a framework having an upper end connected to the buoy and a lower end connected to the mooring. There is also provided a camera attached to the framework. The camera is adapted for underwater operation and has image data generating and transmitting capabilities for transmitting a number of images to a remote receiver. A support structure is detachably mounted to the framework and has rotary retainers for movably supporting one or more socks of mollusks in front of the camera.
Patent CA-2240011-A1 (CA)
Title: Method for manufacture of a pre-impregnated product and its employment in manufacture of decorative compound structures
Inventor: MATSCHEKO HORST
IPC: B44C5/04
Filed: 1998-06-30
Abstract: Described is a method for manufacture of a pre-impregnate, characterized in that a base paper is impregnated with an impregnation solution, which contains a) a watery dispersion on basis of an acrylic acid ester/styrol-copolymer, b) a dry hardener on basis of a copolymerisate from (meth)acrylamide and (meth)acrylic acid and c) water whereby per weight part of dry copolymerisate from (meth)acrylamide and (Meth)acrylic acid, approximately 0.3 to 13 parts by weight of dry acrylic acid ester/styrol-copolymer are employed.      The pre-impregnate obtainable with the method serves for fabrication of decorative compound structures, such as decorative laminates and different furniture components.
Patent CA-2241787-A1 (CA)
Title: Substituted aza- and diazacycloheptane and cyclooctane compounds and their use
Inventor: TREIBER HANS-JOERG
IPC: C07D413/14
Filed: 1997-01-10
Abstract: The present invention concerns aza- and diazacycloheptane and cyclooctane compounds from the following formula (I) Ar1-A-B-Ar2 wherein Ar1, A, B, and Ar2 have the meanings given in the description. The compounds according to the invention possess a high affinity with the dopamine-D3-receptors and can therefore be used for the treatment of illness, which react to dopamine-D3-ligands.
Patent CA-2245057-A1 (CA)
Inventor: TOGAMI PAUL G
IPC: A01D45/02
Filed: 1998-08-12
Abstract: The row crop header for a harvesting machine includes a frame and a first row unit supported by the frame in a row unit plane.  The first row unit includes a first gatherer operating in a first gatherer plane oblique to the row unit plane and a second gatherer operating in a second gatherer plane parallel to the first gatherer plane and oblique to the row unit plane.