baber/WOPTO huggingface dataset:
Patent CA-2075850-C (CA)
Title: Polysulfate of beta-cyclodextrin derivative and process for preparing the same
Inventor: MORIYA TAMON
IPC: A61P31/12
Filed: 1992-08-12
Granted: 1999-04-06
Abstract: Disclosed is a polysulfate of a .beta.-cyclodexrin in which at least one of 7 D-glucose units constituting the .beta.-cyclodextrin is a unit represented by the formula (I - a):       wherein R1 is an alkyl group having 1 to 8 carbon atoms, a phenyl-substituted lower alkyl group, a halogenophenyl-substituted lower alkyl group, a lower alkylphenyl-substituted lower alkyl group or a lower alkenyl group, or a salt thereof, which has excellent antiretrovirus activity and is useful as an antiretrovirus agent.
Patent CA-2076397-C (CA)
Title: Treating contaminated effluents and groundwaters
Inventor: CATER STEPHEN R
IPC: C02F1/32
Filed: 1991-02-20
Granted: 2002-05-28
Abstract: A method of treating a liquid effluent or groundwater containing organic contaminants is provided. The liquid effluent or groundwater containing the organic contaminants is contacted with hydrogen peroxide and transition metal ions. The hydrogen peroxide and transition metal ions are present in effective amounts based on the concentration of the organic contaminants in the\ liquid effluent or groundwater. The liquid effluent or groundwater is then irradiated with UV light having a polychromatic output between about 200 to 400 nm to decompose the organic contaminants. The ratio of hydrogen peroxide to transition metal ions is selected so as to favour the absorption of UV light by the hydrogen peroxide in the irradiation step.~
Patent CA-2076757-C (CA)
Title: Solutions of peracids
Inventor: BROUGHAM PAUL
IPC: C07C409/24
Filed: 1991-02-18
Granted: 2002-09-03
Abstract: A dilute solution of a lower aliphatic peracid such as peracetic acid, having an equilibrium composition, is produced by contacting hydrogen peroxide with a lower aliphatic acid each at initial high concentrations in an aqueous reaction mixture to rapidly form a reaction mixture containing, for example, up to 30% wt of peracid and diluting the reaction mixture with water and with any required quantities of lower aliphatic acid and/or hydrogen peroxide to reproduce the equilibrium composition of the dilute solution, the process being characterised in that the reaction mixture rich in lower aliphatic peracid is diluted before it has itself reached equilibrium, for example when it contains from 20 to 80% of its potential equilibrated content of peracid. The process provides a quick plant-efficient process for the production of stable dilute lower aliphatic peracid solutions for industrial disinfection purposes or for personal or domestic hygiene use.
Patent CA-2080564-C (CA)
Title: Temperature control system for a heat detector on a heat exchanger
Inventor: COX WILLIAM CULLEN
IPC: F28D19/04
Filed: 1992-10-14
Granted: 1995-07-11
Abstract: A control system for regulating the temperature of a heat detector disposed on a heat exchanger.  The control system includes a temperature detector (42) for determining the temperature of the hot spot sensor (32), non-liquid cooling means (50,52) for cooling the detector when its temperature is above the desired temperature range, and non-liquid heating means (48,53) for heating the detector when its temperature is below the temperatures range.  The control system includes control means (82) coupling the temperature sensing means to the non-liquid heating and cooling means.  By keeping the heat detector at a generally constant temperature, the accuracy of the hot spot sensor on the heat exchanger is improved.
Patent CA-2088467-C (CA)
Title: Method and apparatus for adaptive ice control
Inventor: MORK RAYMOND P
IPC: E02B1/00
Filed: 1993-01-29
Granted: 1996-07-30
Abstract: A method and controls for cyclical operation of ice reducers in open bodies of water.  An ambient condition transducer provides an ambient signal representing the amplitude of a condition affecting ice formation.  A timer cyclically produces a ramp signal, thereby setting the frequency of cycles for operation of a water movement device.  In each cycle a comparator compares the relative amplitudes represented by the ambient and ramp signals and gates power to said device upon a change in the sign of the difference between said amplitudes.  Thus the duration of gated power in each cycle is a function of the ambient condition.
Patent CA-2091036-C (CA)
Title: Synthetic surface element
Inventor: LAWRENCE DAVID
IPC: E01C5/22
Filed: 1993-03-04
Granted: 2001-10-02
Abstract: A synthetic surface element having a central core of filler material, for example wood chips, saw dust, foam, or any other inert filling material, said central core being disposed between top and bottom layers of thermaplastic or thermaset material, the outer perimeter of the synthetic surface element being provided with first flanges extending substantially outwardly from the thermaplastic or thermaset material covering the top of the central core and said flanges having substantially downwardly extending supplementary flanges located proximate the terminus of the first flanges, the length of the supplementary flange being greater than the distance between the top and bottom surfaces of the layers covering the central core filler so as to define proximate the bottom of the synthetic surface element a continuous channel bounded by the supplementary flange and the central core, wherein in placing said synthetic surface element in engagement with a supporting surface, for example a gravel or aggregate bed, the hollows will engage with the supporting elements, for example the aggregate sand or the like, and position the synthetic surface element, and prevent it from moving in relation to the supporting surface.
Patent CA-2092883-C (CA)
Title: Tamper resistant device for the application of preselected torque to screws and the like
Inventor: HOHMANN RALF
IPC: B25B23/155
Filed: 1993-03-29
Granted: 1996-05-21
Abstract: A screw can be driven home in response to the application of a preselected torque by placing over the head of the screw a tubular first section of a plastic adapter wherein the first section is connected with a polygonal second section by a frangible joint.  The joint breaks in response to the application of preselected torque to the second section, and the separated second section then expose a destructible diaphragm which is provided in the first section and overlie the head of the screw.  The head can be engaged by the working end of a tool in response to at least partial destruction of the diaphragm.  The first section can be of one piece with the head or it can be affixed thereto by an adhesive or is in mere frictional engagement with the head.  Integrity and accessibility of the diaphragm indicate that the screw was driven home in response to the application of preselected torque as well as that the head of the screw was not tampered with subsequent to separation of the second section from the first section of the adapter.
Patent CA-2094484-C (CA)
Inventor: OTTERBACH ANDREAS
IPC: C07C263/04
Filed: 1993-04-20
Granted: 1997-10-07
Abstract: A multistep process for the continuous  preparation  of  organic  polyisocyanates, preferably aliphatic or cycloaliphatic diisocyanates, by reacting  the  corresponding  organic  polyamines  with carbonic acid derivatives and alcohols to give monomeric polyurethanes  and  pyrolyzing  the  latter  involves separating the resultant polyisocyanates and worthless residues in certain reaction steps and recycling the reusable by-products into earlier steps.
Patent CA-2097200-C (CA)
Title: Protein tyrosine kinase
Inventor: WILKS ANDREW F
IPC: C12N15/54
Filed: 1991-11-26
Granted: 2002-07-16
Abstract: The present invention is directed to a novel protein tyrosine kinase comprising a polypeptide having multiple protein ki-nase catalytic domains and, more particularly, two kinase catalytic domains and to genetic sequences encoding same. Two such kinases are described and designated JAK1 and JAK2.
Patent CA-2105076-C (CA)
Title: Systeme de surveillance et d'enregistrement de perturbation de ligne
Inventor: DICKENS RICHARD T
IPC: G01R31/58
Filed: 1992-02-26
Granted: 2001-02-13
Abstract: Système de détection de défaillances (10) permettant de contrôler au moins un paramètre de fonctionnement d'une ligne de transmission de puissance à courant alternatif (12), comprenant des transducteurs (14) de courant et/ou de tension reliés à la ligne de transmission pour produire un signal analogique (16) représentant au moins un paramètre variable dans le temps de la transmission de puissance à courant alternatif. Un convertisseur analogique-numérique (A/N) (18) convertit le signal analogique en mots d'échantillons numériques (22). Un module processeur de signaux numériques (DSP) rapide (30) traite les mots numériques et produit un signal de déclenchement (33) lorsque l'on détecte une défaillance. Un composant d'accès direct mémoire (DMA) (32) met en oeuvre un protocole d'allocation mémoire pour adresser de manière séquentielle un ensemble de zones mémoire (41) dans une boucle afin de permettre le stockage séquentiel des mots d'échantillons numériques dans des emplacements de stockage discrets de la zone de mémoire adressée. Selon un protocole d'allocation de mémoire en cas de défaillance, le composant DMA (32) enlève au moins une zone de l'ensemble de zones de mémoire de la boucle adressable par le DMA lorsque la zone de mémoire enlevée comprend des quantités de mots d'échantillons numériques de prédéfaillance, défaillance et postdéfaillance définissant l'anomalie du courant alternatif, ces quantités étant définies par l'utilisateur.
Patent CA-2111268-C (CA)
Inventor: RODEN JAMES S
IPC: C23F13/10
Filed: 1993-12-13
Granted: 1996-12-03
Abstract: A sacrificial anode assembly is insertable into a metal water storage  tank  to  inhibit  corrosion  thereof  and  includes  a cylindrical metal anode member having an end retained within a cylindrical plastic insulating sleeve which, in turn, is captively retained within a metal cap portion of the assembly.  To regulate the amount of electrical current generated by the assembly during use thereof,  a barrel-shaped resistor is supported within the assembly and interconnected between its anode and cap portions.          The insulating sleeve has a generally U-shaped groove formed in a closed  end  thereof,  with  one leg  of  the  groove  extending diametrically across a central opening in the sleeve end that receives a core wire portion of the anode member, and the other groove leg extending generally chordwise relative to the sleeve end.  The resistor body is received within the chordwise groove leg, and a lead wire of the resistor is extended through the curved and diametrically extending groove portions and spot welded to the core wire portion received in the central sleeve end opening.  The configuration of the groove and the relative orientation of the resistor and sleeve opening causes the bent lead wire to form a resilient connection between the spot weld and the resistor body, thereby substantially reducing vibrational fatigue stress on the spot weld during shipping and handling of a tank having the anode assembly operatively installed thereon.
Patent CA-2111934-C (CA)
Inventor: BARD SIMON
IPC: G06K7/10
Filed: 1993-12-20
Granted: 2005-06-28
Abstract: An optical scanner module for directing a light beam to scan an optically encoded symbol includes an optical element mounted for oscillatory motion to scan the light beam in one direction by a flex element capable of torsional flexure. This oscillatory motion is induced by the interacting magnetic fields established by a permanent magnet mounted to the flex element and an electromagnetic coil driven by an AC currant. Bidirectional light beam scanning is achieved by mounting an assembly of the flex element, optical element and permanent magnet to one or more additional flex elements for oscillatory motion to scan the light beam in a second direction. This oscillatory motion is induced by the inclusion of an additional permanent magnet and/or electromagnetic coil.
Patent CA-2116327-C (CA)
Title: Method and compositions for cellular reprogramming
Inventor: SMITH LARRY J
IPC: A61P35/00
Filed: 1992-08-24
Granted: 2009-11-17
Abstract: The present invention provides methods and compositions useful in treating certain diseases herein termed "Aberrant Programming Diseases", including cancer and AIDS. According to one aspect of the invention, there is provided a method for treating an individual having an Aberrant Programming Disease comprising administering to said individual an effective amount of a composition selected from the group consisting of an expression vector, a double stranded oligodeoxynucleotide, and an antisense oligodeoxynucleotide; said composition capable of regulating expression of a transcriptional regulator, said transcriptional regulator being expressed by the Aberrant Programming cells and further characterized by exhibiting a therapeutically useful change in said cell behavior in the Reprogramming Test. In a separate embodiment new antisense oligodeoxynucleotides are provided.
Patent CA-2116552-C (CA)
Inventor: OKA KOICHIRO
IPC: C08F20/38
Filed: 1993-06-29
Granted: 1997-11-04
Abstract: The present invention relates to a method of producing a sulfur-containing transparent polymer by polymerizing a composition containing a (metha)acrylate monomer having sulfur in its molecule, characterized by radical polymerization of a composition containing at least one compound selected from radical chain transfer compounds and radical trapping compounds in an amount of 0.1 to 7.0 % by weight of the total amount of the composition.   The polymer obtained by polymerization is less colored.   The method can provide a polymer having a high total light transmittance, a high refractive index and a light weight and is hardly yellowed during use.
Patent CA-2120067-C (CA)
Title: Anti-wrap device for rotating shaft
Inventor: WAGNER JAMES H
IPC: A01D75/18
Filed: 1994-03-28
Granted: 1998-08-25
Abstract: A device that prevents wrapping of long strands of fibrous material around an exposed rotating shaft has a stationary flange fixed to the chassis or bearing housing for the shaft and a rotating flange fixed to the shaft.  The flanges are positioned to pass one another during each revolution of the shaft.  When the flanges are nearest to one another, a loop of vegetation forms tightly around the flanges.  Continued rotation of the shaft then stretches and tears the loop apart.  This loop forming and tearing is repeated for each revolution of the shaft to effectively prevent fibrous material from wrapping around the shaft.
Patent CA-2132407-C (CA)
Title: Cargo units of panels
Inventor: ALLISON ROBERT S
IPC: B65D90/12
Filed: 1994-09-19
Granted: 1999-01-05
Abstract: A  rigid assemblage of a plurality of elongated parallel build-ing construction components adapted to function as an ocean cargo unit, the assemblage including four parallel vertical load bearing beams having at each end of each beam a fitting with a plurality of lifting eyes with all of the fittings and the beams forming three. pairs of parallel planes which enclose a right prismatic space wherein all of the elongated members, are held rigidly in parallel arrangement when the assemblage is suspended by a lifting force, applied simultaneously to all beams.
Patent CA-2134567-C (CA)
Inventor: BOWDEN KEVIN DAVID JOHN
IPC: A61M16/20
Filed: 1993-10-29
Granted: 1998-07-14
Abstract: An automatic resuscitation apparatus for administering a breathable gas to a patient that can be held in one hand, and containing the necessary valves and controls, and operable in automatic mode, demand mode, and manual mode, and having, a flow chamber for a breathable gas, a patient mask connector at an outlet of said flow chamber, a chamber valve within the flow chamber for permitting passage of breathable gas from the chamber to the mask connector, a exhaust for exhausting exhaled breath exteriorly of the flow chamber, a breathable gas supply to the flow chamber, a supply valve operable to provide an on-off control of the breathable gas supply, and, a timing valve responsive to flow of gas to the flow chamber, to move at predetermined intervals between on/off positions, the timing valve being connected to the supply valve, so as  to procure on-off operation of the supply valve in timed relation to the timing valve.
Patent CA-2148485-C (CA)
Inventor: YOSHIMI NAOTO
IPC: B05D7/00
Filed: 1994-07-22
Granted: 1999-12-21
Abstract: Tôle d'acier revêtu d'un composite organique et présentant une excellente résistance à la rouille d'origine accidentelle, constituée d'une tôle d'acier galvanisé comportant en surface un revêtement de chromate dans un poids de revêtement donné et également un revêtement organique formé sur le revêtement de chromate, présentant une épaisseur de 0,2-2,0  mu m et contenant les constituants suivants (i) à (iii): (i) une résine de base comprenant une résine époxy ayant au moins un atome d'azote basique et au moins deux groupes primaires hydroxyle à ses extrémités, (ii) un composé polyisocyanate polyfonctionnel possédant au moins trois, de préférence au moins quatre et idéalement au moins six groupes isocyanates dans sa molécule, notamment de préférence un composé polyisocyanate hexafonctionnel constitué d'un dérivé polyfonctionnel d'hexaméthylène diisocyanate, et (iii) un additif antirouille dans un rapport de mélange (rapport en poids de constituants non volatils) définis par l'équation suivante: (résine de base + composé isocyanate polyfonctionnel)/additif antirouille = 90/10 - 40/60. Parmi des exemples d'additif préféré, on peut citer un chromate difficilement soluble et un mélange de silice avec un chromate difficilement soluble (35/5-1/39). Une remarquable résistance à la rouille d'origine accidentelle peut être obtenue grâce à l'effet synergique dû à la composition de résine constituant le revêtement organique et à l'additif antirouille.
Patent CA-2149545-C (CA)
Inventor: POLLOCK EUGENE B
IPC: A01K39/01
Filed: 1993-11-09
Granted: 2006-01-24
Abstract: A poultry feeder (10) is disclosed comprising a generally vertically disposed feed tube (18) adapted to be installed on a generally horizontal feed conveyor tube (14) for receiving feed from the feed conveyor tube. The feed tube has an upper portion (26) fixed with respect to the feed conveyor tube and a lower portion (27) movable axially with respect to the upper portion between as extended position (as shown in Fig. 5) and a collapsed position (Fig. 6). A feed pan (23) is disposed below the bottom end of the feed tube for receiving feed. A lost motion connection (32) is provided between die feed pan and feed tube, with the lost motion connection including a generally vertically disposed rim (46) surrounding the outer portion of the feed pan and permitting relative movement between the feed pan and the feed tube between an extended position in which the feed tube is in its extended position and in which the rim extends up above the level of the feed pan thereby to aid in containing feed withing said feed pan and a lowered position in which the feed pan rests on the floor and in which the rim is lowered with respect to the feed pan thereby to lower the height of the feed pan so as to permit young chicks or the like to readily view feed deposited within the feed pan and to have access to the feed therein.
Patent CA-2157001-C (CA)
Inventor: REIGER CRAIG M
IPC: B65D25/10
Filed: 1994-02-23
Granted: 2004-04-20
Abstract: A fire starter (20) consists of a ring-shaped mass of combustible material having integrally formed spacers (28) for supporting the mass of material above a supporting surface (26), such as the floor of a fireplace. The ring shaped mass of material consists of a series of inverted frusto-conical sections (28) connected together by a series of inverted triangular connecting sections (30), all of which are formed of a solidified wax and wood mixture.     During manufacture, the wax and wood mixture is subject to relatively high pressure on the over of 700 psi to 800 psi, to compress the mixture and to yield a relatively high density to the fire starter material. Such pressurization of the material insults in formation of a veneer layer (60) on the outer surfaces of the file starter, with the veneer layer consisting primarily of wax. The fire starter includes a substantially central aperture (54). During combustion of the fire starter, a venturi effect is created by a flow of air to the aperture, to provide a relatively high, intense flame. The fire starter burns for a substantial period of time, such as 8-12 minutes, and the duration and intensity of the flame generated thereby is capable of igniting conventional fireplace logs without the use of kindling. The invention further involves a packaging arrangement in which multiple fire starters (20) are placid in vertical stacked relationship within the internal cavity of a tubular package (86). A rolled sheet (92) of instructions is inserted through me aligned apertures in the stacked fire starters.
Patent CA-2157365-C (CA)
Inventor: GUY THOMAS L III
IPC: F25D3/00
Filed: 1994-04-12
Granted: 2000-03-28
Abstract: A cold plate (10) includes a recessed area (13) in its underside so that its inner tubes (12) will not migrate away from its top surface (14) during its casting process.  By restricting the movement of the tubes during the casting process, the cold plate has tubes located close to its top surface, thereby improving the heat transfer between fluids flowing through the tubes and ice placed over the cold plate to act as a heat sink As a result, the cold plate allows drinks to be dispensed that are colder and retain more carbonation.
Patent CA-2157388-C (CA)
Inventor: WITT DANIEL P
IPC: C07K14/54
Filed: 1994-02-28
Granted: 1998-12-15
Abstract: Disclosed are: (1) methods for identifying natural and synthetic sequences having binding specificity for glycan-binding proteins, including proteins that act as effectors of biological activity, (2) compositions and methods of producing protein-specific glycosaminoglycan sequence and ligand antagonists capable of modulating the effector function of these ligands, and teherapautic compositions comprising these antagonists; and (3) compositions and methods for producing protein-spedific glycosaminoglycan sequence analogs useful as agonists, and therapeutic compositions comprising these agonists.
Patent CA-2160424-C (CA)
Title: Versatile seat skirt
Inventor: CHRISTA CAROL W
IPC: A47C31/10
Filed: 1994-10-12
Granted: 2006-03-14
Abstract: A seat assembly to permit the look of a seat to be easily changed includes a seat body including sides, upholstery covering at least a portion of the seat body, a strip of a hook-type hook-and-loop fastener secured to and extending circumferentially around the sides of the seat body, a ribbon of upholstery backed to a strip of loop-type hook-and-loop fastener, and a removable skirt element including a band of a width wider than the ribbon, the band having one side backed to a strip of loop-type hook-and-loop fastener. Loose pillows on the seat body have a covering on one side of a formal look and a covering on a reverse side of a casual look, whereby the ribbon of upholstery or the band of upholstery may be selectively mounted to the seat body by joining the hook-and-loop type fasteners to permit the look of the seat to be easily changed from a skirtless to a skirted look and the pillows may be displayed as desired to complement the skirted or skirtless look.