baber/WOPTO huggingface dataset:
Patent CA-2191498-A1 (CA)
Title: Process for preparing pentafluoroethane
Inventor: CUZZATO PAOLO
IPC: B01J27/125
Filed: 1996-11-28
Abstract: Process for preparing pentafluoroethane (125) containing amounts of 115 lower than 0.02% by weight wherein pentafluoroethane is obtained by a dismutation process of tetrafluorochloroethane CF3CHClF (HCFC-124) in gaseous phase in the presence of a chrome oxide catalyst (CR2O3) supported on a AlF3 support, wherein one operates at temperatures from 140-180°C for contact times comprised between 15-30 seconds, from >180°C to 240°C for contact times between 5 to 15 seconds, from >240°C to 250°C for contact times between 1 to seconds, from >260° to 300°C for contact times between 0.1 to 1 second.
Patent CA-2192470-A1 (CA)
Inventor: BROWN PAUL A
IPC: A61K31/522
Filed: 1995-01-13
Abstract: Traitement consistant à administrer un composé inhibant la transduction à travers l'accumulation cellulaire d'acide phosphatidique (PA) concernant principalement un linoléate et un alkyle C22 ou un alcényle en position sn-2 ou un groupe éther vinylique alcényle en position sn-1. Ledit traitement s'administre dans les cas suivants: (1) inhibition de la formation de nouveaux vaisseaux sanguins pour arrêter ou prévenir la progression de la rétinopathie, de l'hémangiome caverneux, du sarcome de Kaposi, de tumeurs composées de cellules endothélialomorphes, ainsi que la prévention de tumeurs solides en les empêchant de produire de nouvelles sources de sang; (2) suppression du développement de maladies rénales dues à la prolifération de cellules mésangiales et/ou épithéliales glomérulaires induite par la cytokine servant au traitement ou à la prévention de la glomérulosclérose et d'autres glomérulonéphritides de différents types et les étiologies; (3) prévention de la destruction des articulations accompagnant l'arthrite rhumatoïde due à la prolifération des cellules synoviales; (4) suppression des manifestations de psoriasis dues à la prolifération de kératinocytes et à l'accumulation de cellules inflammatoires; (5) suppression de l'accélération de l'athérogénèse liée à des resténoses des coronaires ou d'autres artères consécutives à une angioplastie; (6) suppression de l'athérogénèse des affections des coronaires et autres vasculopathies dues à l'athérogénèse; et (7) suppression de la croissance tumorale en réponse aux facteurs de croissance PDGF, FGF, EGF ou VEGF autocrines et paracrines, en vue de l'arrêt ou de la prévention de la progression de tumeurs telles que le cancer du sein, stimulée par la surexpression du récepteur her-2-neu.
Patent CA-2196006-A1 (CA)
Title: Management of atm virtual circuits with resource reservation protocol
Inventor: KUJOORY ALI MOHAMMAD
IPC: H04L12/56
Filed: 1997-01-27
Abstract: Embodiments of the invention include a method and an architecture for specifying network resources based on applications requirements. Applications resources are defined with the Asynchronous Transfer Mode (ATM) Quality of Service (QoS) parameter and the network resources are allocated based on Resource reSerVation Protocol (RSVP) flow specifications. An end user or automated application can define the resources desired for their application using a policy mapping database that maps the ATM QoS parameters to the RSVP flow specification.
Patent CA-2198884-A1 (CA)
Title: Low creep polytetrafluoroethylene gasketing element
Inventor: HOLLENBAUGH DONALD L JR
IPC: B29C63/42
Filed: 1994-10-19
Abstract: The present invention is an improved gasket for use in a wide variety of sealing applications. The gasket comprises a sheet of expanded polytetrafluoroethylene (PTFE) that is helically wrapped around itself and sealed in that orientation. This construction produces a gasket that has significant tensile strength in both its longitudinal and transverse axes. As such, the gasket of the present invention retains all of the operational advantages of PTFE while being quite resistant to creep.
Patent CA-2202601-A1 (CA)
Inventor: THIESSEN TERRY
IPC: B65G33/26
Filed: 1997-04-14
Abstract: An auger for moving granular material and slurries of granular materials comprising: a shaft; a rigid inner blade portion fastened to and spiraling around the shaft; and a flexible substantially larger outer blade portion carried by the inner blade portion.  In the preferred embodiment the flexible blade portion comprises belting cut into the shape of a split doughnut shaped disc.  The split doughnut shaped disc has a larger inside diameter than the diameter of the shaft so that when it is rolled around the shaft and fastened to the rigid inner blade portion it extends more than one revolution therearound.  The problem faced in the movement of granular materials is that rocks, stones or other non-uniformly large pieces of material predictably are present in the material being handled.  These larger pieces sink to the bottom of the auger and jam between it and the bottom of a trough therebelow.          These larger pieces either stop the auger until they are removed, or alternatively they are pulverised, damaging the auger.  The dislosed auger having an outer flexible blade portion inexpensively and effectively solves this problem.
Patent CA-2203155-A1 (CA)
Title: Derives hydrosolubles d'epipodophyllotoxine, leur procede de preparation, leur utilisation a titre de medicament, et leur utilisation destinee aux traitements anticancereux
Inventor: ROBIN JEAN-PIERRE
IPC: C07H15/26
Filed: 1995-10-20
Abstract: La présente invention concerne des dérivés de formule générale (I), dans laquelle R représente un groupement acyl et R' représente soit un atome d'hydrogène soit un reste phosphate monoester, soit un groupement carbamate substitué, et ses formes salifiées, et son procédé de préparation. Elle concerneainsi l'utilisation de ces composés hydrosolubles à titre de médicament, ainsi que pour la préparation d'un médicament destiné au traitement anticancéreux.
Patent CA-2204373-A1 (CA)
Title: Apparatus for holding a compact disk
Inventor: FARRAR PETER ANTONY
IPC: G11B33/04
Filed: 1995-11-03
Abstract: The apparatus comprises: a base portion (12), disk-engaging means (15, 16) extending from the base portion (12) for releasably engaging the central hole of the disk; and resilient ejection means (17) arranged to urge the compact disk out of engagement with the disk-engaging means ( 15, 16) when the disk-engaging means (15, 16) is released, the disk-engaging means comprising resilient inwardly extending radial arms (15), cantilevered from the base portion (12); the inner ends of the arms (15) being mechanically interconnected (16, 21) so that pressure applied to any one or more of the inner ends of the arms (15) flexes each of the arms (15) towards the base portion (12) to move the inner ends of the arms (15) towards each other sufficiently to release their engagement with the disk. The apparatus may be formed as a one-piece plastics moulding as a tray for insertion in a box or as part of a wall of a video-style library box.
Patent CA-2207245-A1 (CA)
Inventor: SUBRAMANIAN PALLATHERI MANACKA
IPC: C08J11/08
Filed: 1995-01-25
Abstract: Polyamide is recovered by an improved solution process and with minimal polyamide degradation.
Patent CA-2208213-A1 (CA)
Title: Dispersible additive systems for polymeric materials
Inventor: GASPERSON G DANIEL
IPC: D01F1/04
Filed: 1996-12-03
Abstract: Dispersible additive systems for polymeric material include dispersant-coated pigments in a liquid nonaqueous polymeric carrier. The additive systems are most preferably in the form of a particulate nonaqueous paste which can be added in metered amounts (dosed) to a melt flow of the polymeric host material prior to being shaped (for example, prior to being spun into synthetic filaments). By providing a number of additive systems having a number of different additive attributes, and controllably dosing one or more into the melt flow of polymneric material, shaped objects of the polymeric material (e. g., melt-spun filaments) having different additive attributes may be produced on a continuous basis without shutting down the shaping operation.
Patent CA-2208275-A1 (CA)
Title: Methode d'amelioration des resistances a court terme des betons
Inventor: VICHOT ANGELIQUE
IPC: C04B24/04
Filed: 1997-08-04
Abstract: Il est divulgué une méthode d'amélioration des résistances à court terme des bétons. La méthode comprenant l'ajout au mélange du béton mouillé un additif comprenant microsilice et formiate de sodium dans des proportions choisies. Le béton résultant présente une très bonne résistance après très peu d e temps et demeure maniable lors de sa coulée.
Patent CA-2211716-A1 (CA)
Inventor: KR NAUER KARLHANS
IPC: A47G25/74
Filed: 1996-05-15
Abstract: L'invention concerne un cintre comportant un corps (1) avec deux bras porteurs (2, 3). Ce cintre comporte également un crochet de suspension (4) entre les bras porteurs (2, 3), et un élément de blocage souple (10) situé dans l'ouverture du crochet de suspension (4) de telle manière qu'il réduit cette ouverture et peut se déplacer à l'encontre d'une force élastique pour permettre l'ouverture du crochet de suspension (4). Les deux bras porteurs (2, 3) sont constitués chacun d'un premier (5) et d'un deuxième (6) fil métalliques parallèles et espacés. Les extrémités extérieures des fils métalliques (5, 6) sont reliées entre elles et le crochet de suspension (4) est disposé aux extrémités intérieures de chaque premier fil métallique (5). L'élément de blocage souple (10) est constitué d'un autre fil métallique qui relie entre elles les extrémités intérieures de chaque deuxième fil métallique (6). Ce cintre convient notamment pour suspendre des vêtements aux poignées de maintien dans l'habitacle d'une voiture particulière.
Patent CA-2213679-A1 (CA)
Inventor: POGACHAR JANE CHRISTINE
IPC: A41D13/11
Filed: 1997-10-09
Abstract: IN A FACE COVERING PROVIDING WARMTH AND PROTECTION, IT IS KNOWN TO BE MADE OF AN OUTER LEATHER DAM FOR WIND, COLD, AIRBORNE DEBRIS KNOWN TO STRIKE THE FACE AND NECK WHEN RECREATING OR WORKING WITH FAST MOVING OPEN VEHICLES OR SPORTS. THIS INVENTION ALSO IS KNOWN BY THE INNER LINER MADE OF NATURAL FIBRE FLANNEL THAT IS DETATCHEABLE, WASHABLE, INTERCHANGEABLE BY MEANS OF 9(NINE) PRESSURE CLOSURES KNOWN AS SNAPS. AND ENGINEERED IN TWO PLY FASHION TO ACHIEVE THE DESIGNED COMFORT OF HAVING NOT ONE OF THE SNAP CLOSURES METAL SURFACES COMES IN CONTACT WITH THE SKIN OF THE WEARER. THIS INVENTION IS KNOWN BY THE TRIANGLE SHAPE AND THE UNIFORMITY OF THE POSITION OF THE SNAPS AS THIS ENABLES ANY LINER TO FIT ANY OUTER LEATHER DAM. THIS INVENTION USES A SERIES OF FOUR ADJUSTMENT SNAPS TO FIX THE ARTICLE ABOUT THE NECK TO THE COMFORT OF THE WEARER. WHILE ALL THE FEATURES COMBINED PRODUCE A DESIGN THAT IS AESTHETICALLY PLEASING
Patent CA-2215507-A1 (CA)
Title: Intravascular needle with movable safety shield
Inventor: HOGAN JOHN MARTIN
IPC: A61M25/06
Filed: 1995-03-16
Abstract: An intravascular needle (11) with a removable safety shield (16) is disclosed.  The arrangement is such that there is little or no impediment of the needle tip control required to efficiently start a needle into the vein.
Patent CA-2217382-A1 (CA)
Title: Radiolabelling characteristics of novel iminophosphorane ligands with technetium-99m
Inventor: ANGELOV C M
IPC: A61K51/04
Filed: 1997-10-01
Abstract: A variety of unconventional phosphorus-nitrogen (P-N) backbone ligands have been synthesized with a unique, chemically flexible heterobifuncinal ligand system that has the capability to complex with a radioactive metal ion and to link a bioactive peptide.  We approach the synthesis of iminophosphorane ligands (P-N) through the reaction of silylaminophosphines, T2NPR2 (T=SiMe3).  The P-N compounds which are derived from the applications of these silylaminophosphine reactions with a diversity of organic substrates, have the capability to attach 99m Tc by means of a covalent bond.  A further advantage of these type of chelating agents is their ability to selectively react with 99m Tc in a +7 oxidation state and in the absence of reducing agent.  This type of ligand presents the possibility of forming a metal-nitrogen .delta. bond with a high oxidation-state early transition metal via the elimination of Me3SiCl.  The properties of the resulting chelates with these ligands can be readily modified by introducing a variety of substituents on the P or N atoms (R or R').  Several studied P-N ligands have been shown to hold the potential for preparing stable 99m Tc-complexes with high labelling yield under the mild labelling conditions and with and without reducing agents.  Furthermore, the labelled P-N compounds showed a high stability both when incubated with plasma and when challenged with excess amount of cysteine.
Patent CA-2219167-A1 (CA)
Title: Fertilizer and process for production thereof
Inventor: JACOBSEN PAL
IPC: C05F17/00
Filed: 1996-04-18
Abstract: A process for producing a fertilizer from an organic waste material is described which comprises treating a waste, having a water content of no more than 90 % by weight and which has been alkalinized, with nitrogen dioxide or a precursor thereof in sufficient amount to reduce the pH by at least 2.0 pH units. The process produces an organic fertilizer in which the percentage by weight of nitrogen in the form of oxides of nitrogen is higher than the percentage by weight of nitrogen in the form of ammonium ion.
Patent CA-2222438-A1 (CA)
Title: Conveyor system with passive roller transfer assembly
Inventor: LAYNE JAMES L
IPC: B65G47/66
Filed: 1996-04-03
Abstract: A conveyor system with a roller transfer assembly (30) is provided for transferring articles (C, C', C", etc.) from the end of a first conveyor (11) to the start of a second, in-line conveyor (12). A conveying surface is formed by a plurality of rollers (35) that span substantially across the transfer zone. The conveyor transfer assembly (30) includes a plurality of shafts (35b) extending transversely across the zone, a mounting block (41, 42) at each end for supporting the shafts, which blocks are secured within a holding pan (44). The support for the assembly includes a pair of tabs (50, 51) on each end of the pan that cooperate with a respective pair of open notches (52, 53) on a pair of frame plates (25, 25'). The plates are secured at the ends of the transfer zone to the frame of the conveyor system. A pair of angular slots (57) in the plates allows adjustment of the transfer assembly to allow movement of the articles from one level on the first conveyor (11) to a second level on the second conveyor (12).
Patent CA-2223047-A1 (CA)
Title: Micelle protection assay
Inventor: BECKER MICHAEL MCCLELLAN
IPC: G01N33/532
Filed: 1996-05-14
Abstract: Methods and compositions for selectively detecting analytes in a homogeneous assay, a heterogeneous assay, or a mixture of the two by contacting a labeled probe:analyte complex with one or more amphiphiles.  The invention is also useful for increasing the signal to noise ratio when used in conjunction with other assay systems. In preferred embodiments, the analyte and probe are nucleic acids or proteins.
Patent CA-2226783-A1 (CA)
Title: Amplifier for antennas
Inventor: NYSTR M MATTIAS
IPC: H04B1/52
Filed: 1996-07-12
Abstract: An antenna amplifier utilizes integrated dual duplex filters having a first filter branch for allowing through a transmitter band (Tx) between an uplead and an antenna, a second filter branch (Rx1) for allowing through a receiver band (Rx) from the antenna to an output element (3), a third filter branch for allowing through the receiving band (Rx) from an input element (4) to the uplead, and a low noise amplifier whose input is connected to the output element and whose output is connected to the input element. The low noise amplifier (LNA) is preferably both constructed and connected by means of filter--technical and circuit board-technical methods.
Patent CA-2226847-A1 (CA)
Inventor: PENOR EARL L JR
IPC: B60D1/04
Filed: 1998-01-13
Abstract: A trailer hitch used to couple and decouple a trailer without the need of additional assistance. To hitch the vehicles together, one simply backs the tow vehicle containing the opened jaws to the trailer containing the protruding cylindrical shaft until the shaft is between the jaws. The operator then closes the jaws tightly around the shaft initializing the equalization and sway control characteristics. This hitch incorporates both equalizing and sway control characteristics automatically in one easy, fast and simple coupling operation. The main embodiment of the hitch consists of two pair of "pliers like jaws" attached to a horizontal steel tube mounted to a hitch draw bar. One pair of jaws are permanently affixed to this tube. The other pair of jaws move freely horizontally along the length of the tube creating an opening to accept a long cylindrical shaped extension of the ball shaft protruding downward from the trailer coupler. The amount of opening created by this sliding jaw will allow for generous misalignment variables between the tow and towed vehicles. The sliding pair of jaws are closed either mechanically, hydraulically or electrically. When closed the jaws provide a tight pinching action around the protruding ball shaft. This pinching provides excellent sway control forces. The base of the protruding ball shaft has a structural member extending back beneath the trailer tongue where it attaches vertically to the trailer frame member or members. When used in conjunction with the main embodiment jaws on the tow vehicle this combination will cause a lifting force when the jaws are closed, producing effective equalizing.
Patent CA-2228015-A1 (CA)
Title: Lamp assembly for a recessed ceiling fixture
Inventor: CZECK KEN WALTER
IPC: F21V29/15
Filed: 1998-01-26
Abstract: A lamp assembly for a recessed ceiling fixture includes a support, a lens retainer removably mounted to the support and carrying a lens, a heat shield removably mounted on the lens retainer above the lens, an electric socket supported by an upper end of the heat shield, and a lamp disposed within and supported by the heat shield and electrically coupled to the socket. The lamp includes a reflecting surface that reflects visible light forwardly and transmits heat rearwardly toward a dome shaped reflector surface of the heat shield which reflects that heat forwardly. The heat shield, lamp, and socket can be removed as a unit from the lens retainer in order to be able to replace the lamp while leaving the lens in place.      When re-mounting the unit, the lamp engages centering surfaces carried by the lens retainer to center the lamp relative to the lens.
Patent CA-2233054-A1 (CA)
Title: Injection-foamed product and manufacturing method thereof
Inventor: PARK SOO KWAN
IPC: B29C45/14
Filed: 1998-03-24
Abstract: An injection-foamed product having a different material portion and a manufacturing method thereof.   The method comprises steps of preparing a main material mixture, preforming an auxiliary material piece having a property different from a property of the main material mixture, forming an auxiliary cavity region in a cavity of a mold for injection-foaming, placing the auxiliary material piece in the auxiliary cavity region, filling up the mainmaterial mixture in the cavity, maintaining the main material mixture and the auxiliary material piece in the cavity under a predetermined temperature and pressure for a predetermined time, and opening the mold to obtain the injection-foamed product. Accordingly, injection-foamed products having various properties such as color, density and hardness can be easily and efficiently obtained.
Patent CA-2233873-A1 (CA)
Inventor: REEDER ANTHONY ANDREW
IPC: G06Q20/00
Filed: 1996-10-10
Abstract: pemethod of operating apparatus for value, the apparatus being connected to a telecommunications channel, comprising the steps of: transmitting a forward message from a monitor device comprising a communications device and a programmable processor oeprating under the control of a stored program to a remote location via said telecommunications channel; receiving a corresponding return message from said remote location via said telecommunications channel;  verifying said return message to determine whether it is authentic; and, if so permitting the operation of said apparatus; and, if not; inhibiting the operation of said apparatus, the program being arranged to monitor the operation of the apparatus and to perform the above steps whenever the apparatus is in use.
Patent CA-2234838-A1 (CA)
Inventor: BECKER HEINZ GEORG
IPC: B29D35/08
Filed: 1998-04-14
Abstract: With a method for manufacturing shoes in which a two-layer sole is sprayed onto a shoe shaft drawn on a last and the outer sole is sprayed first and then the intermediate sole,  it is provided according to the invention that, prior to spraying the outer sole, a synthetic fiber felt piece is placed against the area of a displacer which is contact with the form and electrostatically charged, as a result of which the felt piece is pressed against the metal displacer and adheres to it, that the displacer seals the injection mold consisting of shaped side parts and base stamp with the adhering felt piece, that the thus resultant mold cavity is filled with elastomer material, that when the base stamp travels upward the elastomer material is pressed together and elastomer material penetrates into the felt piece, and that it is replaced by the last covered with the shaft, in such a way that a mold cavity remains for the intermediate sole between last and outer sole, after which this mold cavity is filled with a synthetic material, whereby this material forming the intermediate sole connects with the felt piece and the shaft and that, finally, the mold is opened and the finished shoe removed from the last.
Patent CA-2237671-A1 (CA)
Title: Electronic self-locating system and method
Inventor: TICE LEE D
IPC: G05B23/02
Filed: 1998-05-14
Abstract: A method and an apparatus for automatically locating detectors in an ambient condition monitoring system incorporate a normally closed contact for open circuiting the associated communication link. A command can be issued to the detectors and which identifies a specific detector. In response to the command, at least some of the detectors open circuit the communication link. The specific detector transmits neighbor identification signals in each direction on the communications link. These neighbor identification signals are sensed and storedin each neighbor detector. Information identifying detectors which are neighborsto a selected detector can then be analyzed to establish locations of the various detectors relative to one another in the system.
Patent CA-2239459-A1 (CA)
Inventor: MUSSMAN ROBERT L
IPC: G21F3/04
Filed: 1996-12-06
Abstract: A radiation shield (10), and a radiation shield assembly. The shield assembly is designed to allow use of conveniently fabricated radiation shield portions (S1(1), S1(2), S1(3)) to provide a single completed radiation shield (10). The shield portions are mechanically fastened together, preferably with deck screws (22). A completed radiation shield assembly is coated with a flexible elastomeric epoxy coating (30) to protect the radiation shielding material, preferably lead, from becoming dislodged. Preferably, the radiation shield is provided in a sequence of layers, with each layer having one or more radiation shield portions. In an alternate embodiment, a lightweight, portable radiation shield (40) is provided which has at least one sheet of solid radiation shielding material (S), an outer stainless steel casing (60), and a sealant (74) located between at least portions of the at least one sheet of solid radiation shielding material (S) and the outer stainless steel casing (60).  Flanges (64, 66) on the stainless steel casing (60) are fastened together, preferably by riveting to seal the casing. A stainless steel U-shaped cap (80) is provided at the top of the shield (40) for extra protection during use. The sealant (74) and the stainless steel casing (60), including the cap (80), cooperate to effectively seal the solid radiation shielding material (S) against leakage outward through the outer stainless steel casing (60).