baber/WOPTO huggingface dataset:
Patent CA-2251973-A1 (CA)
Title: Wood-product laminated composites
Inventor: CARLSON FRED E
IPC: B32B7/12
Filed: 1998-01-30
Abstract: Discloses compositions of urea dissolved in aqueous, polymerizable phenolic resole resins, wood-product laminated composite products produced with such resins, with or without the urea, and methods for the production of wood-product laminated composites with such resins. The resins contain the alkaline polymerization product of (a) formaldehyde polymerized with phenol and aliphatic hydrocarbylphenol or (b) aliphatic hydrocarbylphenol dissolved in the resin containing the polymerization product of phenol and formaldehyde, wherein the hydrocarbylphenol has from 9 to 17 carbon atoms in the hydrocarbyl group and the quantity of hydrocarbylphenol is from about 0.2 % to 5 % based on the weight of the aqueous resole resin. Wood-product laminate composites bound with the above resole resin, after curing, exhibit unexpectedly low water absorption, good internal bond strength and reduced thickness swell properties.
Patent CA-2255554-A1 (CA)
Inventor: GITTO GARY C
IPC: H01M50/143
Filed: 1997-05-28
Abstract: Boîtier de batterie constitué d'une composition thermoplastique ignifugée comportant un mélange d'un homopolymère, d'un copolymère et d'un polyphosphate d'ammonium. Ledit polyphosphate d'ammonium est présent en une quantité telle qu'il confère l'ignifugation à la composition thermoplastique. D'autres constituants sont le polyol, un agent de carbonisation intumescent et la mélanine qui agit comme agent gonflant. Il est possible d'ajouter des antioxydants, des agents antiadhérents, du noir de charbon, des renforçateurs et d'autres additifs. Alternativement, ledit boîtier comporte une composition polymère renfermant un constituant ignifuge contenant de l'halogène et un constituant polypropylène.
Patent CA-2256733-A1 (CA)
Title: Data framing format for digital radio communications and method of forming same
Inventor: LANG RALPH UWE
IPC: H04L5/22
Filed: 1997-05-30
Abstract: The present disclosure discloses a data frame (100) for use in a radio system that continuously transmits both digital audio data and digital command data between stations in the radio system. The disclosed data frame (100) has two or more voice fields (130-133) and two or more command fields (120-123). Each of the voice fields are equal in size and contain an equal portion of the digital audio data. The voice fields may be further arranged into two or more sub-portions (130a-d) arranged most significant to least significant bit and each of the sub-portions are arranged most significant to least significant bit. The voice fields may further include a check field (130e) contiguous to one of the two or more sub-portions to provide the ability to determine whether a selected portion of each of the sub-portions is erroneous. Each of the command fields containing an equal portion of the digital command data.  Each of the two or more command fields are interleaved between the two or more voice fields and contiguous to at least one of the two or more voice fields in the disclosed data frame. The data frame may also include a flame synchronization field (110). Also disclosed is a method for forming the data frame.
Patent CA-2263564-A1 (CA)
Title: Solvent resisting textile binder
Inventor: KOEGLER GERHARD
IPC: D04H1/645
Filed: 1997-07-31
Abstract: Textile binding agent in the form of an aqueous copolymer dispersion or a copolymer powder obtainable by means of radical emulsion polymerization, of a) one or several monomers from the vinyl ester group, the esters of acrylic acid and methacrylic acid, vinyl aromatics, vinyl halogenides and alpha-olefins and b) 0.01 to 10 w/w per cent, related to the total weight of the copolymer, of one or several monomers b1) from the group of N-(alkoxymethyl)acrylamides and N-(alkoxymethyl)methacrylamides, or of one or several monomers b2) from the group N-methylolacrylamide and N-methylolmethacrylamide, or mixtures b1) and b2), in which 0.01 to 10 w/w per cent, related to the total weight of the copolymer, of one or several emulsifiers of the group of sulphosuccinic acid diesters with linear, unbranched or branched or cycloaliphatic alcohols is employed as emulsifier(s) or added to an aqueous copolymer dispersion upon termination of the emulsion polymerization.
Patent CA-2263730-A1 (CA)
Inventor: WELTER LISA M
IPC: A61K38/28
Filed: 1997-08-05
Abstract: Autoantigens and allergens can be expressed in transgenic plants, and the plants, or products derived therefrom, used as foods or beverages to prevent or treat autoimmune diseases or allergic reactions.
Patent CA-2266186-A1 (CA)
Inventor: HALDER ACHYUTA N
IPC: B23Q1/54
Filed: 1999-03-19
Abstract: One of two arms is mounted adjacent one end thereof for rotation and axial adjustment on a cylindrical column which projects vertically upwardly from a generally flat, rigid base.      The second arm is rotatably connected adjacent one end to the opposite end of the first arm, and has mounted in its opposite end a rotatable spindle which is connected at its upper end to the drive shaft of a reversible electric motor that is secured on the second arm, and which is disposed to have a tool bit secured releasably to its lower end. The first arm is manually adjustable vertically on the column, and each arm can be releasably locked against rotation. The direction of rotation of the motor can be reversed by a switch mounted on the second arm and its speed can be adjusted by a potentiometer, the rotatable handle of which is mounted on the second arm adjacent the motor reversing switch.
Patent CA-2269331-A1 (CA)
Title: Recycle of water from polyvinyl chloride polymerization by treatment with a cation exchange
Inventor: DAVE B BHASKER
IPC: B01J39/04
Filed: 1997-10-21
Abstract: Water recovered from the polymerization of vinyl monomers can be treated to remove or deactivate chain transfer agents present in the water allowing reuse in polymerization processes. The water recovered from a vinyl polymerization reaction is contacted with a cation exchange resin in the hydrogen form prior to recycle, or may be acidified and then contacted with an anion exchange resin in the hydroxide form.
Patent CA-2270079-A1 (CA)
Title: Recovery of nickel from bioleach solution
Inventor: OMOFOMA MATT A
IPC: C22B23/00
Filed: 1996-12-12
Abstract: A bioleaching method is provided for recovering a nickel from an ore selected from the group consisting nickel-containing lateritic ores and nickel-containing sulfidic ores or concentrates thereof. Where the ore selected is a nickel-containing lateritic ore, at least one micro-organism selective to the leaching of the lateritic ore is provided as an aqueous solution thereof maintained at a pH ranging from about 1 to 3 including a nutrient for the micro-organism. The ore either as a slurry, a heap, or a charge in a vat is bioleached for a time sufficient to effect the dissolution of the nickel in the ore and form a solution thereof and a residue which is separated from the solution. The nickel is then selectively extracted from the solution using an ion exchange resin, and the nickel thereafter extracted from the resin using a mineral acid.
Patent CA-2270565-A1 (CA)
Title: Progesterone for treating or reducing ischemia
Inventor: LEVINE HOWARD L
IPC: A61K31/565
Filed: 1997-11-04
Abstract: The present invention provides a method of treating or reducing ischemia or incidence of cardiovascular events by administering progesterone. Progesterone, unlike synthetic progestins, has been demonstrated to supplement, rather than to decrease, the beneficial effects of estrogen therapy on myocardial ischemia in females.
Patent CA-2273739-A1 (CA)
Title: Rotary compressor with continuous vane slot and a method to set slot width
Inventor: GANNAWAY EDWIN L
IPC: F04C2/356
Filed: 1999-06-07
Abstract: A hermetic rotary compressor assembly having a housing, a cylinder block and a bearing assembly within the housing. The cylinder block and the bearing assembly define a cylindrical cavity which has a roller piston disposed therein. The rotary compressor assembly includes a motor drivingly coupled to the roller piston and the cylinder block has a vane slot extending completely axially through and extending radially from an outside perimeter surface of the cylinder block to the cylindrical cavity. At least a portion of the vane slot is defined by a pair of substantially parallel sidewalk and a vane is disposed in and guided by the vane slot and is urged against said roller piston. The cylinder block is fixed in a state of circumferentially oriented stress. A method to assemble the rotary compressor includes spreading apart the sidewalls of the vane slot in the cylinder block, inserting into the spread apart slot a gauge vane of thickness greater than the thickness of a reciprocating vane, releasing the block to cause the slot sidewalls to engage the gauge vane, fixing the cylinder block to hold the engaged sidewalls, removing the gauge vane from the slot, and inserting the reciprocating vane in the slot, whereby a clearance is maintained between the reciprocating vane and slot sidewalls. Another method includes closing together sidewalls of the vane slot to engage the gauge vane, fixing the cylinder block to hold the engaged sidewalk, removing the gauge vane from the slot, and inserting the reciprocating vane in the slot.
Patent CA-2277032-A1 (CA)
Title: Wall module and method for producing the same
Inventor: HOLZAPFEL WOLFGANG
IPC: B61D17/04
Filed: 1998-10-23
Abstract: A wall module for a car body, between an outer covering layer 6 and an inner covering layer 7, has a structure that is made of intersecting frame members 8, 9, whereby a thermal insulation 12 is provided in cavities 11 between the frame members 8, 9. To give the wall module a high budding strength, in particular in the longitudinal direction of the car body, a plurality of one-piece frame members extend in the longitudinal direction of the car body and are made of a material that has a higher modulus of elasticity than the outer layers 6, 7.
Patent CA-2277403-A1 (CA)
Title: Ceramics base plate and method of producing the same
Inventor: NAKATA HIROHIKO
IPC: B28B17/00
Filed: 1999-07-08
Abstract: A method of producing ceramics base plates is disclosed, comprising forming a continuous flaw on at least one surface of a ceramics sintered base plate from end to end using a flawing tool and dividing the ceramics sintered base plate along the flaw by applying an external force. It is preferred that a blade edge portion of the flawing tool is made of a cemented carbide or diamond. By the method of the invention, the ceramics sintered base plate can be easily divided, and ceramics base plates excellent in dimensional accuracy are obtained without lowering the strength thereof.
Patent CA-2279828-A1 (CA)
Title: Materiau polymerique inorganique a base d'oxyde de tantale, notamment a indice de refraction eleve, mecaniquement resistant a l'abrasion, son procede de fabrication, et materiau optique comprenant ce materiau
Inventor: FLOCH HERVE
IPC: G02B5/08
Filed: 1998-02-06
Abstract: L'invention concerne un matériau polymérique inorganique à base d'oxyde de tantale, notamment à indice de réfraction élevé et mécaniquement résistant à l'abrasion, son procédé de fabrication mettant en particulier en jeu des précurseurs à base de dérivés chlorés du tantale, ainsi que les matériaux optiques tels que des matériaux antireflets et des matériaux réfléchissants fabriqués à partir de ce matériau.
Patent CA-2281479-A1 (CA)
Title: Method and apparatus for connecting an incoming call to a computer system that is already engaged in a communication session
Inventor: TAYLOR GEORGE L
IPC: H04M3/428
Filed: 1998-02-03
Abstract: A server (112) is configured to connect an incoming call to a client computer (102), wherein the call is generated by a telephone handset (140) and destined for a local PSTN extension (106) that is already in use by the client computer (102) communicating with the server (112) for another purpose. In accordance with one embodiment of the invention, the server (112) is comprised of a storage medium and an execution unit. The storage medium having stored therein a plurality of programming instructions for implementing communication services for facilitating the connection of the incoming phone call on behalf of the client computer (102) and interleavingly delivering the incoming call signals to the client computer (102), and accepting interleaved outbound call signals from the client computer (102) and transmitting outbound call signals on behalf of the client computer (102) to the telephone handset (140). The execution unit, coupled to the storage medium, is responsible for executing the programming instructions.
Patent CA-2283104-A1 (CA)
Title: Flex sole
Inventor: HERNANDEZ HOMAR
IPC: A43B13/18
Filed: 1999-09-23
Abstract: A shoe designed for active wear is described having a distinctive outsole. The outsole has a peripheral wall delimiting a plantar region, a heel region and an arch region of the outsole. A cavity formed in the plantar region has a shape including a floor and an inner periphery defined by a plurality of ribs that form a structure with a series of combs articulating with the peripheral wall of the outsole. A cushioning pad is located within the cavity and molded-in-place to the inner periphery and the floor of the cavity to form an integral functional part of the outsole.
Patent CA-2285067-A1 (CA)
Title: Silicon carbide field controlled bipolar switch
Inventor: SINGH RANBIR
IPC: H01L29/808
Filed: 1998-03-20
Abstract: A field controlled bipolar switch having a bulk single crystal silicon carbide substrate of a first conductivity type having an upper surface and a lower surface.      A first epitaxial layer of a second conductivity type sil-icon carbide is formed upon the upper surface of the substrate. A second epitaxial layer of the second conductivity type silicon carbide is formed on the first epitaxial layer of silicon carbide. A plurality of regions of a third conductivity type silicon carbide are formed in the second epitaxial layer to form a gate grid in the second epitaxial layer. A third eptiaxial layer of the second conductivity type silicon carbide is formed on the second epitaxial layer and a fourth epitaxial layer of the second conductivity type silicon carbide is formed upon the third epitaxial layer. The fouth epitaxial layer has a higher carrier concentration than is present in the first, second and third epitaxial layers. A first ohmic contact is formed upon the fourth epitaxial layer and a second ohmic contact is formed on the lower surface of the substrate. An ohmic gate contact is connected to the gate grid for pinching off the flow of current between the first ohmic contact and the second ohmic contact when a bias is applied to the ohmic gate contact.
Patent CA-2285393-A1 (CA)
Title: Device for conveying substrates through a substrate processing plant
Inventor: WEBER KLAUS
IPC: H01L21/00
Filed: 1998-04-09
Abstract: In order to obtain a device as simple and flexible as possible for conveying substrates (7) through a substrate processing plant (11), the device has a base conveyor belt (2) and two lateral conveyor belts (4, 6) which are all provided with notches for holding the substrates (7) in an upright position.
Patent CA-2286283-A1 (CA)
Inventor: HILLMAN JENNIFER L
IPC: A61P35/00
Filed: 1998-04-08
Abstract: The present invention provides a human GTP binding protein (HGBP) and polynucleotides which encode HGBP. The invention also provides expression vectors, host cells, agonists, antisense molecules, antibodies, or antagonists. The invention also provides methods for treating disorders associated with expression of HGBP.
Patent CA-2288119-A1 (CA)
Title: Molded fishing rod
Inventor: WEISS JOHN
IPC: B29C70/86
Filed: 1998-04-24
Abstract: Fishing rods are molded with integral line guides (24, 25, 26) or line guide stanchions for attaching conventional or only slightly modified line guides.  The preferred line guides are made of metal or ceramic guide inserts in metal frames with one or two support feet. The molding process facilitates the automated manufacture of rods with line guides in proper alignment and positioning. The handle grip (21) of the blank can be molded to form an integral foregrip (19) and/or reel seat (16).
Patent CA-2288543-A1 (CA)
Inventor: CONRAD HELMUT GERHARD
IPC: F24F3/14
Filed: 1999-11-04
Abstract: A process of separating water from ambient air involves a liquid desiccant to first withdraw water from air and treatment of the liquid desiccant to produce water and regenerated desiccant. Water lean air is released to the atmosphere. Heat generated in the process is recycled. The drying capacity, or volume of water produced, of the system for a given energy input is favoured over the production of dried air.
Patent CA-2291584-A1 (CA)
Inventor: CHEN HWA-TIEN
IPC: A47L13/144
Filed: 1999-12-06
Abstract: A mop is composed of a rod, a head fastened with one end of the rod, two first press bars fastened with the head, a pull rod fastened pivotally with the rod, two connection rods fastened pivotally at one end thereof with the pull rod such that other end thereof is extended into the head, a colloidal cotton having a top edge which is disposed between the two first press bars and connected with free ends of the connection rods, and at least two second press bars fastened with the head such that the second press bars are parallel to the first press bars and that the second press bars and the first press bars are located side by side to rid the soaked colloidal cotton of water.
Patent CA-2292456-A1 (CA)
Title: Wind power device
Inventor: HOSODA NAOYOSHI
IPC: F03D1/04
Filed: 1999-12-16
Abstract: A wind power device comprises a wind guide and a twisted member in the wind guide. The wind guide is rotatable around a vertical shaft so that a front opening of the wind guide may always face the wind. The wind which comes into the wind guide is guided around the twisted member and reaches to a blade wheel, which actuates a generator via gears to create electric power.
Patent CA-2293870-A1 (CA)
Inventor: MEYERS MARTIN HOWARD
IPC: H04B17/00
Filed: 2000-01-04
Abstract: An apparatus and a method for recreating radio frequency (RF) conditions of a cellular network extracts significant RF effects from field test data, and recreates variable RF attenuation using a multi-channel attenuator. A field data processor converts the field test data to time-varying attenuator control values for each channel of the multi-channel attenuator. Accordingly, a mobile in the lab which is connected to the multi-channel attenuator sees the same carrier and interference levels that were observed in the field environment, allowing cellular communication equipment testing without repeated field testing.
Patent CA-2294102-A1 (CA)
Title: Stairway system
Inventor: MARSHALL NICHOLAS JAMES
IPC: E06C7/44
Filed: 1998-06-10
Abstract: A prefabricated staircase module (10, 11) comprises a first step and a second step, each step (14) having a tread member (13) and a riser member (15). The staircase module further has fixing means (31) for fixing the module to a sloping surface on which it is laid. The steps in a module may be connected to each other by a rigid or flexible bridging member (19), and the tread member (13) may be curved.  Different designs and configurations of the prefabricated modules may be combined into a staircase assembly, the modules which can be chosen according to the gradient of the underlying surface on which the staircase is to be constructed.
Patent CA-2296115-A1 (CA)
Inventor: BANKS STEWART
IPC: A47K5/14
Filed: 1999-03-25
Abstract: There is disclosed a foaming device for dispensing foam.      The device includes a collapsible liquid container (30) and a foam pump (36) attached to the container outlet. The foam pump includes two enclosures (40, 86), the first (40) being bonded in the throat (34) of the container and the second (86) being telescopingly received in the first with a flexible seal (94) mounted on the second enclosure (86) to provide an air tight seal. When assembled, the two enclosures define an air chamber (104) and a fluid chamber (50, 70) each having outlets which merge by the foamer outlet. The fluid chamber accepts liquid from the container and when the second member (86) is moved with respect to the first member (40) the fluid chamber is pressurized to open an outlet valve (71) and air is simultaneously expelled through the outlet.      The liquid and air commingle as they pass through a wire, plastic or fabric mesh (84) thereby forming the foam. There is included a dispenser housing for releasibly receiving the collapsible liquid container and foam pump. The dispenser includes a push button pivotally attached thereto which is coupled to the second enclosure so that as the push button is moved the pump is actuated. The foaming device can be used in any orientation and air is prevented from contacting the solution contained in the bottle (30).
Patent CA-2296985-A1 (CA)
Inventor: RICHARDS RAYMOND BERNARD JOHAN
IPC: G01F3/10
Filed: 2000-01-18
Abstract: Rotary piston gas meter provided with two journalled rotary pistons each having a rotary piston shaft. Furthermore a piston housing is provided, comprising a hollow piston housing body having an internal piston cavity for accommodating the rotary pistons in there. The piston housing body is provided with two opposite passage apertures. The piston cavity has an open drive end and a closing end opposite it. A drive bearing plate and a closing bearing plate are provided, the drive end being closed off by the drive bearing plate attached to the piston housing body and the closing end being closed off by the closing bearing plate. Each of the bearing plates are provided with bearings for the rotary piston shafts. The rotary piston shafts extend through the drive bearing plate and are each provided with a drive gear wheel. The drive gear wheels engage into each other. The drive gear wheel of each of the rotary pistons is situated between the bearings concerned.
Patent CA-2297740-A1 (CA)
Title: Methods and devices for controlling hydrocarbon oxidations to respective acids by adjusting the solvent to hydrocarbon ratio
Inventor: VASSILIOU EUSTATHIOS
IPC: B01J19/18
Filed: 1998-07-13
Abstract: This invention relates to methods and devices of preparing acids, such as adipic acid for example, by oxidizing a hydrocarbon, such as cyclohexane for example, with a gas containing an oxidant, preferably oxygen. A respective hydrocarbon is reacted, preferably at a steady state, with a gaseous oxidant to form an acid in a liquid mixture which preferably contains a solvent, a catalyst, water, and an initiator. The ratio of solvent to hydrocarbon may be controlled in a manner to maintain a reaction parameter selected from a group consisting of reaction rate, reactivity, selectivity, and yield within a desired range, or to direct the reaction parameter toward a desired range.
Patent CA-2298792-A1 (CA)
Title: Phosphonate additives for nonaqueous electrolyte in rechargeable cells
Inventor: GAN HONG
IPC: H01M10/24
Filed: 2000-02-11
Abstract: A lithium ion electrochemical cell having high charge/discharge capacity, long cycle life and exhibiting a reduced first cycle irreversible capacity, is described. The stated benefits are realized by the addition of at least one phosphonate additive to an electrolyte comprising an alkali metal salt dissolved in a solvent mixture that includes ethylene carbonate, dimethyl carbonate, ethylmethyl carbonate and diethyl carbonate. The preferred additive is an alkyl phosphonate compound.
Patent CA-2300589-A1 (CA)
Inventor: HOHN PHILLIP
IPC: A01M31/00
Filed: 2000-03-13
Abstract: A game call holder device which enables the hunter to access a game call unit readily from a bundle or plurality of game calls.