baber/WOPTO huggingface dataset:
Patent CA-2185480-A1 (CA)
Inventor: SINGER BENSION
IPC: G01V3/24
Filed: 1996-09-13
Abstract: A method of determining resistivity of an earth formation penetrated by a wellbore having conductive casing. The preferred embodiment includes inserting asonde into the wellbore, the sonde having a plurality of electrodes at axially spaced apart locations adapted to electrically contact the casing, applying electrical current between a first and a second one of the electrodes and measuring the current, measuring a first voltage between a first pair of electrodes axially disposed between the first and second electrodes and measuring a second voltage between a second pair of electrodes also axially disposed between the first and second electrodes and disposed externally to the first pair to determine casing resistance in between the pairs of electrodes. A second difference between the first and second voltages is also measured. Current is applied between other electrodes axially disposed to exclude a third pair of electrodes therebetween, and a third voltage is measured between the third pair to determine characteristic impedance. Current is applied between the firstelectrode and a surface return electrode, a fourth voltage is measured between the first pair of electrodes, a fifth voltage is measured between the second pair of electrodes, an additional second difference of voltages between the fourth voltage and the fifth voltage is measured, and formation resistivity is determined by combining the first voltage, the second voltage, the third voltage, the fourth voltage, the fifth voltage, the current measurements, the second difference and the additional second difference of the voltages.
Patent CA-2186351-A1 (CA)
Title: Bidentate phosphite and nickel catalyst compositions for hydrocyanation of monoolefins
Inventor: KREUTZER KRISTINA ANN
IPC: B01J31/18
Filed: 1995-04-12
Abstract: Processes for hydrocyanation of nonconjugated aliphatic monoolefins or monoolefins conjugated to an ester group utilizing a catalyst precursor composition comprising an unsymmetrical bidentate phosphite ligand and zero-valent nickel, preferably in the presence of a Lewis acid promoter, to produce a terminal organo-nitrile. Catalyst precursor compositions are also disclosed.
Patent CA-2186987-A1 (CA)
Title: Inhibitors of core 2 glcnac-t and use of the inhibitors to prevent or treat cardiomyopathy associated with diabetes
Inventor: KING GEORGE L
IPC: A01K67/027
Filed: 1996-10-02
Abstract: The invention relates to methods for preventing or treating cardiomyopathy associated with diabetes mellitus and hyperglycemia by inhibiting core 2 GlcNAc-T; methods for screening for substances that affect cardiomyopathy associated with diabetes mellitus and hyperglycemia; and methods and pharmaceutical compositions containing the substances for preventing or treating cardiomyopathy associated with diabetes mellitus and hyperglycemia.
Patent CA-2189997-A1 (CA)
Title: A pump made of plastic for dispensing products from containers
Inventor: SANTAGIULIANA EVANS
IPC: B65D83/76
Filed: 1996-03-11
Abstract: An all plastic pump for liquids (1; 300) to be applied to a container, comprises a cylindrical chamber (13: 330) communicating with said container through a feeding hole (14; 240); at least one piston (12; 320) axially sliding within said cylindrical chamber (13; 330); retaining valvular means; at least one elastic bellows (40; 500; 800) and having its lateral surface (50; 600) in the shape of a spiral (80; 510) and incorporates a spring (63) made of plastic realized in a single piece with the bellows itself, the turns of which are arranged in correspondence with the contraction areas of the spiral (80; 510), suited to realize a protrudin g stiffening rib in respect of the external surface of the spiral.
Patent CA-2191011-A1 (CA)
Title: Digital radio communications receiver
Inventor: NAGASHIMA YASUYUKI
IPC: H04L7/08
Filed: 1996-11-22
Abstract: A digital radio communications receiver for determining a frame structure even in the event of miss or false detection of a frame structure flag.  The receiver, for use in a digital communications stem having two or more frame structures, comprises unique word detector module for detecting a unique word from a received bit string, a receive timing controller for timing controlling a received frame based on the unique word detection information from the unique word detector module, a frame synchronization determining module for determining the establishment of the synchronization of the received frame based on the unique word detection information from the unique word detector module and the frame synchronization guard level and for outputting the determination results as frame synchronization information, and a frame structure determining module for determining the frame structure based on the unique word detection information from the unique word detector module and for outputting the determination results as frame structure information, whereby the frame structure is predicted based on the intervals and phase of the unique words without the need for determining the frame structure flag.
Patent CA-2194460-A1 (CA)
Title: Melt-processible poly(ester urethane) and a process for the preparation thereof
Inventor: SEPPALA JUKKA
IPC: C08G63/60
Filed: 1995-07-07
Abstract: The invention concerns a novel melt-processible poly(ester urethane) and a process and a prepolymer for the preparation thereof. The poly(ester urethane) contains structural units derived from a polyester and structural units derived from a diisocyanate and, according to the invention, the bonds between the structural units are at least mainly comprised only of urethane bonds, the number average molar mass, Mn, of the polymer is at least 10,000 g/mol, its mass-average molar mass, Mw, is over 20,000 g/mol and its molar mass distribution, expressed as the ratio Mw/Mn, is over 2, and the polymer is essentially free from free isocyanate groups. The poly(ester urethane) is hydrolytically decomposable and it can be used as a biodegradable polymer, e.g., for manufacturing injection moulded pieces and thermoformed and blow moulded packages, bags, sacks and bottles, for coating of sacks, bags and films made of paper or cardboard, and for manufacturing fibres and non-woven fabrics.
Patent CA-2196051-A1 (CA)
Title: Surface expression of enzyme in gene directed prodrug therapy
Inventor: SPRINGER CAROLINE JOY
IPC: A61K35/76
Filed: 1995-07-27
Abstract: The invention provides a two component system for use in association with one another comprising: (a) a vector capable of expressing an enzyme at the surface of a cell; and (b) a prodrug which can be converted into an active drug by said enzyme, useful in the treatment of tumours.
Patent CA-2196388-A1 (CA)
Inventor: KLEEMANN HEINZ-WERNER
IPC: C07C311/60
Filed: 1997-01-30
Abstract: Diaryldicarboxylic acid diguanidides of the formula I     (see fig. I)                               I     in which R(1) to R(10) have the meanings indicated in the claims, are suitable as antiarrhythmic pharmaceuticals having a cardioprotective component for infarct prophylaxis and infarct treatment and also for the treatment of angina pectoris.They also inhibit, in a preventive manner, the pathophysiological processes in the formation of ischemically induced damage, in particular in the elicitation of ischemically induced cardiac arrhythmias.
Patent CA-2197381-A1 (CA)
Inventor: CAMPBELL JOHN S
IPC: H01C3/10
Filed: 1997-02-12
Abstract: An improved power resistor comprises a resistive element extending between a first electrical connection terminal and a second electrical connection terminal.  The resistive element has a plurality of first insulating regions, arranged along its length extending generally parallel to each other in a first row.  The resistive element further has a plurality of second insulating regions arranged generally parallel to each other in a second row.          The first and second rows are further arranged generally parallel to each other so that each of the second insulating regions extends between two of the first insulating regions.          The first and second insulating regions thereby define a tortuous current path from the first terminal to the second terminal.  This tortuous path creates a current path between the terminals having increased resistance. The insulating regions are preferably interleaved chevrons and are preferably formed by stamping out portions of a resistive slab, made of steel or the like.  The slab may be rolled or bent to form part of a resistor assembly.
Patent CA-2199268-A1 (CA)
Title: Method for recovering metal and chemical values
Inventor: MYERSON ALLAN S
IPC: C22B19/30
Filed: 1995-09-08
Abstract: A method for recovering metals from industrial waste streams (500) which entails treating the waste streams with an ammonium chloride solution (100), separating the undissolved precipitates comprising iron compounds from the leachant solution, further treating the undissolved precipitants by elevated temperature roasting resulting in an iron-based feedstock (200), displacing metal ions including lead and cadmium from the solution using zinc metal, further treating the solution to remove zinc compounds therefrom, further treating the zinc compounds and the undissolved components with a dissolving solution, and further treating the displaced metal ions to recover lead, cadmium and zinc therein using various methods including electrolysis.
Patent CA-2200065-A1 (CA)
Title: Hydraulic fastening device and method
Inventor: KEECH GARTH ALEXANDER
IPC: F16B2/04
Filed: 1994-09-16
Abstract: A hydraulic fastening device, for securement of two components, for example, securement of teeth to a bucket on earthmoving or mining equipment. Each component (29 and 51) has an orifice (50 and 52) therein adapted to be substantially aligned. A body member (26) is inserted in the aligned orifices (50 and 52). A control means (34) is then operated to move at least one protrusion (40 and 41) to protrude from the body (26) and to fasten the components (29 and 51). This is achieved by hydraulic operation and connection of a fluid conduit (32) between the control means (34), e.g. a grease nipple, and the protrusions (40 and 41).
Patent CA-2201617-A1 (CA)
Title: A method of installing a floor heating apparatus
Inventor: KOBAYASHI KIYOO
IPC: F24D3/14
Filed: 1995-10-11
Abstract: A method of installing piping of a floor heating apparatus according to the present invention relates to a method of installing a floor heating apparatus in which pipes for circulating heat medium liquid are located on a floor base structure and they are covered with a flowable floor substrate material. After an adhesive is applied on a surface of the floor base structure, a tube assembly is positioned on said adhesive so that the lower face of a base plate of the tube assembly is bonded to said floor base structure by means of said adhesive, the tube assembly having a plurality of tubes made of an elastic material and said base plate made of the elastic material which integrally carries said tubes. A self leveling material is poured and extended on the tube assembly. According to such a construction method, a number of floor heating pipes can be quickly and simply installed on a floor surface and a density of installation of floor heating pipes can be relatively readily increased. Further, a lifting or offsetting of the pipelines can be prevented so that the pipelines are allowed to be uniformly embedded, the thickness of the self leveling material can be reduced down to approximately 2 cm and a temperature distribution of the floor finish surface can be made even.
Patent CA-2202542-A1 (CA)
Title: Virtual private network
Inventor: SEID HOWARD A
IPC: H04L12/56
Filed: 1997-04-11
Abstract: In a packet switching (packet-based) network, such as a frame relay (FR) network, which includes network resources made up of networked elements and customer premises equipment interconnected by one or more physical paths, a Virtual Private Network (VPN) is built above the underlying packet-based network and includes selected portions of the packet-based network resources. The VPN is a collection of logical nodes and virtual paths (VPs) and includes one or more virtual circuits (VCs), each VC being a logical connection between VC terminators including network elements and customer premises equipment. Segments of the VCs are carried by VPs, each VP being a logical connection established between two VP terminators which are located in either network elements or customer premises equipment. One or more VPs are multiplexed on a physical path (PP). Each VP is allocated a positive guaranteed bandwidth (VP-CIR), and each VC on a VP is also allocated a bandwidth (VC-CIR) greater than or equal to zero. Packets of information to be transmitted over a VC are provided with a unique address field to thereby identify the VCs and VPs associated with the YPN over which the packet of information will travel. Congestion control of the network is provided such that congestion control and management are carried out on a per VPN basis, and congestion outside of a VPN's logical domain does not affect the performance of the VPN.
Patent CA-2203163-A1 (CA)
Title: Procede de reaction enzymatique immobilisee
Inventor: TANAKA HISAO
IPC: C12M1/40
Filed: 1996-08-20
Abstract: Procédé consistant à faire intervenir des réactions enzymatiques sur lit fixe consistant à mettre un substrat en contact avec une enzyme immobilisée sur un support enfermé dans un réacteur tout en conservant la température optimale de l'enzyme. Ce procédé consiste à faire intervenir la réaction dans des conditions adiabatiques, et à mélanger simultanément la partie fluide de réaction avec une solution du substrat et à faire circuler le mélange obtenu vers le réacteur en le faisant passer dans un échangeur thermique, ce qui a pour effet de maintenir l'intérieur du réacteur dans un état aussi homogène que possible. Le procédé permet de réduire la plage de températures du réacteur et de faire intervenir des réactions enzymatiques à une température proche de la température optimale de l'enzyme utilisée dans des conditions d'activité enzymatique élevée.
Patent CA-2203750-A1 (CA)
Inventor: FRIEDLI FLOYD E
IPC: A61K8/00
Filed: 1997-04-25
Abstract: Disclosed axe compounds of the formula (1) (1) wherein R' and R'' are C2-12 alkyl, each of A1-5 is C2-4 alkyl, each of R1-5 is -H or (C9-21 alkyl or alkenyl) -C(O)-, each of Q1-3 is -H, -CH3, -C2H5 or -CH2CH2COOH; r is 0-2; i, j and each k are each 0-1, and (i+j+k)is 0-4; and n is the number of moles of monovalent anion A to provide zero net charge.
Patent CA-2203886-A1 (CA)
Title: Patch clamp apparatus and technique having high throughput and low fluid volume requirements
Inventor: OLESEN SOREN-PETER
IPC: C12M1/34
Filed: 1995-06-07
Abstract: Apparatus for carrying out patch clamp technique utilized in studying the effect of certain materials on ion tranfer channels in biological tissue, and more particularly patch clamp apparatus utilizing an autosampler, such as those utilized with HPLC apparatus, to provide high throughput, is disclosed.  The invention additionally includes novel microperfusion chamber assemblies capable of utilizing only small amounts of material to be tested and only small amounts of liquid carrier, thereby enabling many tests to be completed in a short period of time. The invention more broadly relates to a novel electrophysiology drug handling and application set up for screening of chemical substances while providing high throughput and requiring only low volume of solutions and samples to be tested. The invention also comprises several novel procedures for utilizing the apparatus of the invention.
Patent CA-2203999-A1 (CA)
Inventor: REEVE CHRISTOPHER
IPC: C12R1/32
Filed: 1995-11-27
Abstract: Composé de formule (II) préparé sous forme d'énantiomère simple ou sous forme énantiomorphe enrichie où Het¿1? désigne (a) ou (b), où Het¿2? désigne (c) ou (d) et où X désigne (e) ou (f). N, dans la fraction benzimidazole, signifie que l'un des atomes de carbone remplacés par l'un des groupes R¿6? à R¿9? peut être échangé pour un atome d'azote non remplacé. R¿1?, R¿2? et R¿3?, identiques ou différents, sont choisis parmi: hydrogène, alkyle ou alcoxy, remplaçables par: fluor, alkylthio, alcoxyalkoxy, dialkylamino, pipéridino, morpholino, halogène, phénylalkyle ou phénylalcoxy. R¿4? et R¿4'?, identiques ou différents, sont choisis parmi: hydrogène, alkyle ou aralkyle. R¿5? désigne l'hydrogène, un halogène, un trifluorométhyle, un alkyle ou le radical alcoxy. R¿6? à R¿9?, identiques ou différents, sont choisis parmi: hydrogène, alkyle, alcoxy, halogène, haloalcoxy, alkylcarbonyle, alcoxycarbonyle, oxazolyle ou trifluoroalkyle, ou alors des groupes adjacents R¿6? à R¿9? peuvent former des structures cycliques de substitution avec les atomes de carbone auxquels ils sont liés. R¿10? désigne l'hydrogène ou le radical alcoxycarbonyloxyméthyle. R¿11? désigne l'hydrogène ou des formes de la chaîne alkylène avec R¿3?; R¿12? et R¿13?, identiques ou différents, sont choisis parmi: hydrogène, halogène ou alkyle. Ce composé est obtenu par une technique faisant appel à une bio-oxydation stéréosélective du composé sulfuré prochiral de contrepartie.
Patent CA-2207968-A1 (CA)
Title: Gaskets especially for refrigerators based on an olefin polymer
Inventor: BUZZONI GIANCARLO
IPC: C09K3/10
Filed: 1995-12-16
Abstract: Gaskets especially for refrigerators are made from a polymeric material consisting of a mixture comprising .alpha.-olefin copolymers. The gaskets obtained therefom are lighter, thinner and have better mechanical characteristics than those of the known art.
Patent CA-2207992-A1 (CA)
Title: Self-supporting sheet-like material of cross-linked fibrin for preventing post operative adhesions
Inventor: DELMOTTE YVES
IPC: C08J5/18
Filed: 1996-01-16
Abstract: The self-supporting sheet-like material of cross-linked fibrin has a regular pore size. It is used as a bio-mechanical barrier for the treatment of internal traumatic lesions, in particular for the prevention of adhesion formation as post-operative complication. In the course of this it can be used either alone or in combination with a fibrin glue acting as a haemostatic agent. Since the material in terms of its composition and general structure is similar to endogenous products, it has, inter alia, an excellent biocompatibility, bio-degradability and bio-resorbability.
Patent CA-2210373-A1 (CA)
Title: Lifting implement
Inventor: CHAMPI FRANK K
IPC: B66F15/00
Filed: 1997-07-15
Abstract: A shovel lifting aid comprises a lever arm pivotally attached to the shovel handle, the opposite end of said lever arm terminating in a curved fork, spanned by a crossbar. The curved fork serves as a fulcrum for the application of foot pressure on the crossbar, which combined with a rearward pull on the shovel handle enables asmooth and comparatively effortless raising of the loaded shovel to hip level. At the top of the lift the lever arm is biased to support the raised load in a "cradled" position, requiring minimal effort by the user. An additional leg may be pivotally attached to the free end of the shovel handle, and enable the hand-free tabling of the raised load. Variations of the invention are suitable for use with lifting poles and other tools.
Patent CA-2211893-A1 (CA)
Inventor: MYLES LEO J
IPC: E04H12/22
Filed: 1997-08-26
Abstract: A post securing device that is designed to provide substantial support to a postthat is not supported by any overhead structure.  This is accomplished by means of two upright metal legs that are of such a cross-section so that a post that is square, rectangular, or round can be fitted into the holder.
Patent CA-2212418-A1 (CA)
Title: An improved timber wedge
Inventor: MADJARAC JOHN
IPC: A01G23/099
Filed: 1997-08-06
Abstract: An improved timber wedge featuring an elongated wedge shaped body formed of natural materials such as wood or plastic or other synthetic material. The wedge shaped body is protected from hammer blows incurred during use by a removable impact protection cap mounted upon the striking end of the wedge which also reinforces the wedge body at the impact end. The cap is held to the body by a screw therethrough which friction mounts to cooperating threads in the wedge body interior or cooperatively engages a nut in an in line relationship with the screw and accessible from the side of the wedge.  Releasable glue may also be used to hold the impact resistant cap to the wedge shaped body.
Patent CA-2213344-A1 (CA)
Inventor: BUBNOVSKAYA LARIS
IPC: A61K31/40
Filed: 1996-01-19
Abstract: This invention relates to the use of organometallic compounds of transition metals in the treatment of cancer. The organometallic compounds of the invention generate active radical species in mildly acidic conditions characteristic tumors.  The active radical species generated by said compounds are capable of cleaving and damaging biomolecules, including nucleic acids and cellular structures in tumors. Hence, the organometallic compounds of the invention can be used in the treatment of cancer. In addition, these compounds have increased anti-cancer efficacy when administered in conjunction with factors which intensify glycolysis, such as hyperglycemia and/or hyperthermia, or when used in conjunction with anti-cancer agents and/or radiotherapy.
Patent CA-2213968-A1 (CA)
Title: Plug-in multiplexer
Inventor: BALATONI NICHOLAS A
IPC: H04Q11/04
Filed: 1996-03-20
Abstract: According to a specific embodiment, a system for use with a subscriber line carrier such as a SLC-96. The system provides a multiplex channel unit (10) that inputs T1 line signals, and outputs multiple telephone line signals in a format such as 2B1Q over a twisted pair (13) to an RT (35). The RT (35) converts the full duplex multiplexed signals to analog service for a subscriber (12).
Patent CA-2217945-A1 (CA)
Inventor: KUSLEIKA RICHARD S
IPC: A61F2/958
Filed: 1997-10-09
Abstract: A combination dilatation and drug delivery device includes a flexible catheter (18,90), a drug delivery sheath (20,92) mounted to a distal end region of the catheter and a dilatation balloon (24) or other dilatation device (104) mounted to the catheter and contained within a compartment (52,100) formed by the sheath.  The sheath is radially expandable by supplying a liquid therapeutic agent to the compartment under a moderate pressure.  The dilatation balloon is expandable by providing a dilatation fluid to the balloon under a much higher pressure.  The sheath can be formed of a highly elastic material or can be made quite thin, and in either case is mounted independently of the dilatation device.  Thus when radially expanded, the sheath is moved into a conforming contact with surrounding vascular tissue.  The conforming contact protects tissue and the therapeutic agent from exposure to blood, and more effectively confines the therapeutic agent to the intended treatment area.  The sheath either is naturally porous or is provided with multiple pores, whereby the therapeutic agent perfuses through the sheath into the surrounding tissue.
Patent CA-2221038-A1 (CA)
Inventor: VOGEL EDMOND
IPC: C01B25/28
Filed: 1997-11-10
Abstract: Ce  réacteur pour  la  fabrication de  sels d'ammoniaque, du type comprenant une chambre de réaction tubulaire (110), au moins une alimentation (112) en acide et au moins une alimentation (111) en ammoniac, disposées dans  une première partie amont R1 du  réacteur,  est caractérisé notamment en ce qu'il comprend une deuxième partie R2 disposée dans le prolongement de la première et comportant de l'amont vers l'aval : un tronçon convergent (122),  un  tronçon  cylindrique  (121)  et  un  tronçon divergent (123), cette deuxième partie étant munie d'au moins une deuxième alimentation (124)  en ammoniac qui débouche dans cette deuxième partie au voisinage du tronçon convergent et qui est réglée de façon à obtenir en sortie du réacteur des vapeurs basiques.            L'invention a aussi pour objet un procédé et une installation pour la fabrication d'engrais, notamment de nitrates.