baber/WOPTO huggingface dataset:
Patent CA-2175906-A1 (CA)
Title: Conversion of bisnoralcohol to bisnoraldehyde
Inventor: HEWITT BRADLEY DEE
IPC: C07J9/00
Filed: 1994-10-27
Abstract: The present invention is a process for the conversion of bisnoralcohol (I) to bisnoraldehyde (II) which is a known intermediate in the synthesis of progesterone.
Patent CA-2177702-A1 (CA)
Title: Alpha alumina-based abrasive grain having an as sintered outer surface
Inventor: CONWELL STANLEY L
IPC: C09K3/14
Filed: 1994-11-18
Abstract: Alpha alumina-based abrasive grain having an as sintered surface. The abrasive grain can be incorporated into abrasive articles such as bonded abrasives (e.g., grinding wheels), coated abrasives, and nonwoven abrasives.
Patent CA-2181163-A1 (CA)
Title: Cold caustic extraction of pulps for absorbent products
Inventor: LEITHEM PHYLLIS
IPC: D21C3/02
Filed: 1995-01-19
Abstract: An improved absorbency material for absorbency applications comprised of a cellulosic fibrous material wherein said cellulosic fibrous material such as pulp is a cold alkali solution treated material at a treatment temperature of less than about 50 °C; a process for improving absorbency and other characteristics of said pulp.
Patent CA-2185434-A1 (CA)
Inventor: MIDDLETON NIGEL JOHN
IPC: B63C11/04
Filed: 1994-02-17
Abstract: A thermoinsulative protective garment (1) comprising a first, outer, waterproof but vapour permeable, garment part (2) for covering at least a part of the body of a wearer (preferably the whole body) and a second, inner, thermoinsulative garment part (3) constituting a lining for the first garment part and seatingly bonded to the first garment part at least at the aperture(s) of the garment, so as to provide a layer of air (6) between the said garment parts, the second garment part including a thermoinsulative fabric sheet (7) comprising a substantially impermeable closed-cell elastomeric (e.g. neoprene) sheet (9) having perforations (10) provided therethrough, each perforation of the sheet, or at least of a portion thereof, having at least one relatively wide region (11) and at least one relatively narrow region (12) along its length to define an internal chamber (13) open to the inner side of the sheet (9) and sufficiently closed to the outside of the sheet (9) to permit moisture-laden air passing from the inner to the outer side of the sheet to accumulate in the chamber (13) under increased pressure prior to passing out to the outer side of the sheet.
Patent CA-2191054-A1 (CA)
Inventor: KAUTTO JORMA
IPC: F26B3/30
Filed: 1996-11-22
Abstract: A water fog spraying system for infrared radiant dryers which avoids excessive use of water.  The system comprises a spraying tube having an inner water pipe line equipped with water atomizing nozzles and a load-bearing jacket which coaxially encloses the water line pipe.  The jacket has openings at the water atomizing nozzles for directing the fog jets on the desired object.  The atomizing nozzles permit use of a lesser amount of water thus avoiding damage to the web at which the water is directed.
Patent CA-2191218-A1 (CA)
Title: Method and reagent system for the improved determination of white blood cell subpopulations
Inventor: CARVER DIANE DEE
IPC: G01N33/49
Filed: 1994-05-27
Abstract: The invention provides a novel lytic reagent composition highly selective in its interactions with the cell membranes of white blood cells and also provides a method of using the reagent S composition in a particle analyzing system to effect a significantly improved white blood cell differential determination. The lytic reagent composition is characterized by an ability to selectively shrink the white blood cells into the increasing size order of lymphocytes, basophils, monocytes, cosinophils and neutrophils, and effect a five component separation of these major subpopulations of white blood cells on the histogram of an automated blood analyzer when used in conjunction with a suitable blood diluent as shown in Figures IA to IC.
Patent CA-2191730-A1 (CA)
Inventor: WASSMAN DENNIS
IPC: A47J39/00
Filed: 1995-04-28
Abstract: Un four (10) à chaleur radiante, à fonctionnement amélioré grâce à l'effet de convection, comporte un compartiment de cuisson allongé (18) présentant une première (32) et une seconde extrémités (30) opposées. Un support amovible (38) est disposé dans le compartiment (18) pour recevoir des préparations culinaire à cuire. Un ou plusieurs dispositifs de chauffage (58a-d) sont disposés dans le compartiment (18) pour produire la chaleur radiante. Un dispositif (40) pour faire circuler l'air chaud dans le compartiment (18) est prévu sur la première extrémité (32) dudit compartiment. Un évent (56) disposé le long d'une paroi (35) du compartiment interne la plus proche de la seconde extrémité (30) sert à ajuster les paramètres de cuisson dans le four (10). Le four (10) permet de cuire rapidement et efficacement une grande variété d'aliments.
Patent CA-2192210-A1 (CA)
Inventor: SEMPLE JOSEPH EDWARD
IPC: C07K5/083
Filed: 1995-06-19
Abstract: La présente invention concerne des aldéhydes de peptides qui sont des inhibiteurs puissants et spécifiques de la thrombine, leurs sels pharmaceutiquement acceptables, et des compositions pharmaceutiquement acceptables de ces derniers. L'invention a également pour objet des procédés pour les utiliser comme agents thérapeutiques pour soigner des maladies chez le mammifère, caractérisées par une thrombose anormale.
Patent CA-2195337-A1 (CA)
Title: Anti-staining gear oils with low stray misting properties
Inventor: ANTIKA SHLOMO
IPC: C10M143/06
Filed: 1997-01-16
Abstract: The stray misting property of anti-staining gear oil is reduced by adding to the gear oil from about 0.1 to 5 wt% polyisobutylene of about 37,000 to 140,000 Flory molecular weight.
Patent CA-2196255-A1 (CA)
Title: Non-stick coating for aluminium cooking vessels
Inventor: BUFFARD JEAN-PIERRE
IPC: A47J36/00
Filed: 1997-01-29
Abstract: A non-stick coating  for  aluminum cooking vessels comprises  an  undercoat  layer  applied  directly  to  the aluminum,  a primer layer applied to the undercoat layer and a top finish layer applied to the primer layer.  The primer layer is obtained from an aqueous dispersion of polytetrafluorethylene to which are added polyamide-imide resin  and  tetrafluorethylene  and  poly  (propyl  vinyl ether) copolymer.  The top finish layer is obtained from an aqueous dispersion of PTFE and the undercoat layer is obtained from a polyamide-imide resin in solution in an organic solvent.
Patent CA-2197711-A1 (CA)
Title: Particle delivery
Inventor: BELLHOUSE BRIAN JOHN
IPC: A61M5/307
Filed: 1995-08-17
Abstract: A needleless syringe comprising an elongate nozzle to the upstream end of which is connected a sealed chamber containing gas at super-atmospheric pressure and particles of a therapeutic agent, there being means for opening an outlet from the chamber to release the gas and particles entrained therewith so that they flow through the nozzle at supersonic speed.
Patent CA-2198039-A1 (CA)
Title: Cd graphics 2000
Inventor: RODRIGUES ARMANDO G
IPC: G11B33/02
Filed: 1997-02-20
Abstract: On a stand for storing and displaying compact discs, there are 12 mounts that sit on the face of the structure. Each one of these mounts enable up to 3 compact discs to be compiled on each other for storage and display purposes. On the back of the stand there is a support fin. The support fin acts as a support to provide sturdiness to the structure of the compact disc stand. Positioned in the upper back of the face of the stand is a handle, enabling for mobility of the structure.
Patent CA-2199275-A1 (CA)
Inventor: ALDOUS DAVID J
IPC: C07D413/06
Filed: 1995-09-12
Abstract: Les composés de la formule (A) constituent des agents antipicornaviraux efficaces. Dans ladite formule Het¿1? est choisi dans le groupe constitué de furyle, oxazolyle, isoxasolyle, oxadiazolyle, tétrazolyle, thiadiazolyle, pyridyle, pyridimidyle, pyridazyle ou pyrazyle substitués ou non substitués; Y représente un pont alkylène de 3 à 9 atomes de carbone; Het¿2? représente quinolyle, benzofuranyle, indolyle, benzothiazolyle ou benzoxazolyle substitués ou non substitués; R¿1? et R¿2? représentent hydrogène, halo, alkyle, alcényle, amino, alkylthio, hydroxy, hydroxyalkyle, alcoxyalkyle, alkylthioalkyle, alkylsulfinylalkyle, alkylsulfonylalkyle, alcoxy, nitro, carboxy, alcoxycarboxycarbonyle, dialkylaminoalkyle, alkylaminoalkyle, aminoalkyle, difluorométhyle, trifluorométhyle ou cyano; R¿3? représente alcoxycarbonyle, alkyltétrazolyle, phényle ou un hétérocyclyle substitué ou non substitué choisis parmi benzoxazolyle, benzothiazolyle, thiadiazolyle, imidazolyle, dihydroimidazolyle, oxazolyle, thiazolyle, oxadiazolyle, pyrazolyle, isoxazolyle, isothiazolyle, furyle, triazolyle, tétrazolyle, thiophényle, pyridyle, pyrimidinyle, pyrazinyle ou pyridazinyle, leur N-oxyde ou un sel d'addition d'acide acceptable sur le plan pharmaceutique de ceux-ci.
Patent CA-2202636-A1 (CA)
Title: Repositionable tape closure system for a thin film article
Inventor: GOBRAN RAMSIS
IPC: A61L15/58
Filed: 1995-10-02
Abstract: A pressure-sensitive adhesive closure system for a disposable diaper (20), or the like, in which a pressure-sensitive adhesive fastening tab (4) releasably attaches to a non-blocking thin diaper backsheet (2) which has been treated to raise the surface energy and pattern printed, preferably in a polar solvent, in a discrete area with a release material. The release material prevents the backsheet from blocking in roll form and allows the pressure-sensitive adhesive fastening tab to be removed from the backsheet without destruction of the backsheet.
Patent CA-2205805-A1 (CA)
Title: Articles exhibiting durable color and/or fluorescent properties
Inventor: BURNS DAVID M
IPC: C08K5/45
Filed: 1995-10-11
Abstract: An article exhibiting durable fluorescent properties comprising a polymeric matrix, dye and hindered amine light stabilizer, wherein the polymeric matrix is comprised of polycarbonate and the dye is comprised of a dye selected from the group consisting essentially of thioxanthone, perylene imide and/or thioindigoid compounds. The article exhibits durable fluorescence which resists degradation by ultraviolet or visible radiation. The invention is optionally combined with retroreflective elements so that the resultant article has durable fluorescent properties when exposed to sunlight and is also retroreflective. A  method of manufacturing an article exhibiting durable fluorescent properties is also disclosed along with a method of increasing the durability of polycarbonate in a dyed system.
Patent CA-2206298-A1 (CA)
Inventor: ARAKI YOSHINORI
IPC: C09J7/35
Filed: 1995-11-13
Abstract: A retroreflective sheet comprises a film having a substantially flat surface and a large number of pyramidal projections having retroreflectivity on the opposite surface, and a colored layer and an adhesive layer disposed on the surface of the film having the projections. The adhesive layer comprises a heat-sensitive adhesive containing an acrylic polymer and a phenolic resin, and exhibits an elastic modulus (by dynamic viscoelasticity measurement, compression mode) at 30 ~C ranging from about 1 x 106 to 1 x 108 dyn/cm2.
Patent CA-2206955-A1 (CA)
Title: Wet-base, down-fired water heater
Inventor: ROSS DAVID O
IPC: F24H1/20
Filed: 1997-06-04
Abstract: A fuel-fired, forced draft, down-fired water heater is provided with an improved combustion product flow path that permits the heater to operate with improved fuel efficiency, lowered CO and NOx emissions, and an improved water heat input distribution along the vertical length of the heater.  The water heater includes a vertically oriented tank with a vent plenum structure formed at the top end of the tank interior and having an outlet passage connectable to an external combustion product vent pipe.  A centrally positioned submerged vertical burner tube extends downwardly from the vent plenum and has an open lower end extending into a submerged turn bowl disposed at the bottom end of the tank interior.  Extending upwardly from the turn bowl within the tank interior, and symmetrically arranged about the centrally disposed burner tube, are a plurality of vertical flue tubes that communicate the interiors of the turn bowl and the vent plenum.  A suitable fuel burner is disposed within the burner tube and is supplied with a throughflow of a pressurized fuel/air mixture which is ignited to create a downwardly directed flame and associated hot combustion products.  During operation of the water heater, the hot combustion products are sequentially flowed downwardly through the burner tube into the submerged turn bowl, upwardly through the flue tubes into the vent plenum, and then outwardly through the vent plenum outlet passage.
Patent CA-2208934-A1 (CA)
Title: Constellation de satellites non geostationnaires a couverture permanente
Inventor: FRAYSSINHES ERIC
IPC: B64G1/10
Filed: 1997-06-17
Abstract: L'invention concerne un système de communication et/ou de navigation basé sur une constellation de satellites non géostationnaires en orbite autour du globe terrestre. Cette constellation présente un regroupement par paires des satellites (S1,S1'), (S2,S2') et des plans orbitaux (P1,P1'), (P2,P2'). Les paires de plansorbitaux sont espacées entre elles d'un angle (.delta.) différent de l'espacement (.alpha.) entre plans orbitaux d'une même paire et les satellites (S1,S1') d'une même paire présentent un déphasage orbital (.beta.) différent du déphasage orbital (.gamma.) entre paires de satellites de paires de plans orbitaux différents. Ce type de constellation permet d'assurer une couverture permanente, par au moins un satellite, d'une zone géographique d'intérêt en tenant compte de la contrainte de coordination de fréquence.
Patent CA-2212280-A1 (CA)
Title: Precompression pump sprayer
Inventor: SPATHIAS ADONIS
IPC: B05B11/00
Filed: 1997-08-04
Abstract: A pump chamber priming arrangement for a precompression pump sprayer wherein a fixed priming ramp which may be molded in the pump housing extends toward an end of the discharge valve member in the path of reciprocation thereof such that, at or near the end of the piston downstroke, the lower end of the valve member is deflected to one side of the ramp.  The valve member, in the form of a poppet valve normally coaxial with the piston and cylinder, has a conical nose portion in sealing engagement with a discharge valve seat formed in the piston.  When deflected, the poppet cocks to one side so as to disrupt the discharge valve seal to allow air to escape from the pump chamber to atmosphere via the discharge orifice to thereby provide means for priming the pump chamber in a simple yet highly efficient and economical manner.
Patent CA-2215529-A1 (CA)
Title: Carbohydrate-based vaccine and diagnostic reagent for trichinosis
Inventor: GRIEVE ROBERT B
IPC: G01N33/569
Filed: 1996-03-28
Abstract: The present invention relates to Trichinella vaccines that include a .beta.-tyvelose-containing composition and to the use of such vaccines to protect animals from Trichinella infections, and particularly from trichinosis caused by Trichinella spiralis infection. Such vaccines can also be used to produce antibodies that are capable of protecting an animal from Trichinella infections and of diagnosing such infections.  The present invention also relates to Trichinella diagnostic reagents that include a .beta.-tyvelose-containing composition and use of such reagents to detect Trichinella, and particularly Trichinella spiralis infections. The present invention also includes diagnostic kits based on such reagents and therapeutic agents based on the knowledge that .beta.-tyvelose is produced by Trichinella spiralis parasites.
Patent CA-2218006-A1 (CA)
Title: Railroad freight car for carrying motor vehicles
Inventor: HUBBARD MICHAEL D
IPC: B61D3/18
Filed: 1997-10-10
Abstract: A fully protective multi-unit railroad freight car for carrying motor vehicles on two or three levels with the lowest level being in a cargo well between a pair of deep side sills.  A pair of vehicle-carrying decks are adjustable in height and are counterbalanced against each other during adjustment of their locations. A roof structure is light in weight and constructed of corrugated sheet metal with a self-supporting central portion.  The ends of the car are equipped with three-panel folding doors, and a flexible diaphragm closes the space between articulated adjacent car units supported by a shared truck.  A modular brake operating system is mounted on the car body.  A hinge for a bridge for use in loading the car is adjustable to a stowage position in an edge of a deck.
Patent CA-2218276-A1 (CA)
Title: Water soluble ammonium siloxane compositions and their use as fiber treatment agents
Inventor: HOFFMAN DAWN MARIE
IPC: D06M13/02
Filed: 1997-10-10
Abstract: The present invention relates to a water soluble ammonium siloxane composition comprising (A) an aminosiloxane solution comprising a mixture of (i) a triorganosilyl-endblocked aminofunctional siloxane,  (ii) an aminofunctional siloxane which it triorganosiloxy-endblocked at one end and hydroxy-endblocked at the other end, and (iii) a hydroxy-endblocked aminofunctional siloxane,  (B) a cyclic aminofunctional siloxane, and (C) a polydimethyl-cyclosiloxane where the aminofunctional group is selected from    ,       ,    ,  where R3 is a divalent hydrocarbon radical, R4 is a divalent hydrocarbon radical, R5 is hydrogen, alkyl, aryl or arylalkyl, R6 is a -C(O)R7 group where R7 is a monovalent hydrocarbon group or aryl and A- is a halide anion, carboxylate anion or inorganic oxoanion.  This invention further relates to a method of making the water soluble ammonium siloxane composition and to a method of treating a substrate with the water soluble ammonium siloxane composition.
Patent CA-2219626-A1 (CA)
Title: Toothed belt
Inventor: KNUTSON PAUL S
IPC: B29D29/08
Filed: 1997-10-27
Abstract: A synchronous power transmission belt with a belt body of cast urethane belt material, belt teeth formed of the body, a wear-resistant fabric reinforcement disposed along peripheral surfaces of the belt teeth, and a tensile member of helically spiraled cord embedded in the belt body and of a yarn of carbon fiber.
Patent CA-2219784-A1 (CA)
Inventor: FISHER SHARI POWELL
IPC: F24J2/48
Filed: 1996-05-21
Abstract: A paired optically variable device comprises a substrate having a first surface (18), first and second optical devices (23, 24) carried by the first surface of the substrate in spaced-apart positions on the first surface of the substrate to permit viewing at the same time by a human eye.      A first optically variable pigment (21) is disposed in the first optical device, and a second pigment (22) is disposed in the second optical device. The optical devices have the same color at one angle of incidence and have colors different from each other at all other angles of incidence.
Patent CA-2219922-A1 (CA)
Title: Electrochemical conversion of anhydrous hydrogen halide to halogen gas using a cation-transporting membrane
Inventor: FREIRE FRANCISCO JOSE
IPC: C25B9/23
Filed: 1995-12-13
Abstract: The present invention relates to an electrochemical cell, system and process for converting essentially anhydrous hydrogen halide to essentially dry halogen gas. The process of the present invention is useful for converting anhydrous hydrogen halide, in particular, hydrogen chloride, hydrogen fluoride, hydrogen bromide and hydrogen iodide, to a halogen gas, such as chlorine, fluorine, bromine, or iodine. In particular, in the present invention, water is provided to the cation-transporting membrane at the cathode in various ways. The present invention allows for recovery of a released fluid at the cathode side of the membrane and recycling of the recovered fluid back to the cathode side of the membrane. In this way, the recovered, released fluid may be recycled to continuously supply water to the membrane, thereby allowing the limiting current density of the cell to be increased and/or controlled.
Patent CA-2220718-A1 (CA)
Inventor: HALS CATO
IPC: B62J1/04
Filed: 1996-05-31
Abstract: L'invention concerne un ensemble de retenue de selle à ressorts pour une bicyclette. Cet ensemble comprend trois parties, à savoir, un élément (20) formant montant de selle à insérer et fixer par serrage dans un tube de selle, une autre partie intermédiaire mobile (3, 4) et une pièce (2) de fixation de selle comportant des dispositifs de fixation pour une selle classique. La partie intermédiaire se compose de barres sensiblement parallèles (3, 4) chacune tourillonnée tant sur la partie supérieure de l'organe formant montant de selle (20) que sur la pièce (2) de fixation de selle, ainsi que d'un mécanisme de ressort fixé entre deux paliers (23, 28) orientés dans le sens diagonal, de manière à pousser la pièce de fixation (2) de la selle vers le haut. En cas de choc sur la roue arrière, on obtient un très bon mouvement d'amortissement de compensation dirigé, dans un sens oblique, vers le bas et vers l'arrière.
Patent CA-2221157-A1 (CA)
Title: Tandem-differential-piston internal-combustion engine
Inventor: NOLAND RONALD DEAN
IPC: F02B41/06
Filed: 1996-04-18
Abstract: A system and method communicate signals between a portable unit and a communications system. The portable device communicates with a base unit using inductive coupling. The base unit is further connected to a wider communication system such as a telephone network. Multiple, orthogonally arranged transducers are used in the base unit to provide a more complete magnetic field and to prevent mutual inductance nulls which are otherwise present in a magnetic field. The use of short-range inductive coupling minimizes the power requirements and limits interference with other sources. The inductive coupling may also be used to recharge a battery in the portable device.
Patent CA-2221671-A1 (CA)
Title: Vertical positioning system for drilling boreholes
Inventor: GRONSETH J MARK
IPC: E21B7/18
Filed: 1997-11-20
Abstract: A borehole drilling system has a well tubing actuator with a well tubing connector on a working end of the well tubing actuator, a transducer responsive to longitudinal movement of the working end of the well tubing actuator and a control system for the well tubing actuator to provide controlled longitudinal movement of the well tubing connector using a selected drilling program and feedback from the transducer. Plural lengths of well tubing are connected to the well tubing connector, with a jet drilling apparatus connected to the downhole end of the well tubing. An underreamer apparatus may be attached to the bottom hole end of the well tubing. Coiled tubing may be attached to the bottom hole end of the well tubing and directed through a whipstock.  A method of drilling a borehole comprising moving well tubing longitudinally in a borehole with a well tubing actuator mounted on a frame, producing electrical output corresponding to longitudinal movement of a working end of the well tubing actuator; and controlling longitudinal movement of the working end of the well tubing actuator according to a selected drilling program and using the electrical output as feedback. The method may be used for drilling, section milling and underreaming.
Patent CA-2221914-A1 (CA)
Title: Ready to use foldable computer desk
Inventor: FOGLE MARION O
IPC: A47B21/00
Filed: 1997-11-21
Abstract: A foldable ready to use computer desk is disclosed having a desk top for supporting computer equipment and the like and a pair of spaced foldable side members which include solid panels that form sides of the desk and support the desk above the floor. The solid side panels are carried by hinges having displaced pivot points which allow the side members to fold over one another in an overlapping manner to create a utility space between the side members and the desk top in which utility devices such as a keyboard drawer assembly, power surge strip, and cable tray are nested when the desk is folded. Brace assemblies urge the side members outwardly in an extended position to support the desk top above the floor and urge upper portions of the side members against the hinge brackets to provide a sturdy construction.