baber/WOPTO huggingface dataset:
Patent CA-2004607-C (CA)
Inventor: FRAY DEREK JOHN
IPC: G01N27/411
Filed: 1989-12-05
Granted: 1998-02-17
Abstract: The concentration of an element in a molten metallurgical phase (3) is measured by applying an electrical potential across two electrodes (1, 2) separated by a solid electrolyte (7) containing cations of the element to be measured immersed in the melt, and measuring the current flowing between them.  The solid electrolyte is preferably of .beta.-alumina or zirconium silicate or phosphate.
Patent CA-2008739-C (CA)
Title: Compositions and method for the treatment of disease
Inventor: SENA FRANK J
IPC: A61P43/00
Filed: 1990-01-26
Granted: 1998-06-23
Abstract: Synergistic compositions comprising an antioxidant and an arylpropionic, non-steroidal anti-inflammatory drug used to treat certain diseases are disclosed.  The compositions inhibit production of arachidonic acid cascade end-products which have been implicated as causes of tissue-destruction in periodontal disease.  The compositions are administered in combination with a Carrier, which may be a mucosal-tenacious polymer selected from the groups of semi-solid pastes, gels, ointments, liquids or films.
Patent CA-2011502-C (CA)
Title: Bus-to-bus adapter
Inventor: CLARK ALAN R
IPC: G06F15/16
Filed: 1990-03-05
Granted: 1996-02-06
Abstract: A bus-to-bus  adapter  is provided for  coupling  the input/output  bus  of  a  first  data  processor  to  the input/output bus of a second and different type of data processor.   The adapter enables the transfer of data and messages from the first processor to the second processor and vice versa.  The adapter includes a buffer storage unit and control logic for enabling multiple data buffers to be provided for enabling multiple  independent data transfer operations to be performed in a concurrent manner.   The control logic also includes a mechanism for allowing the reading out of data from a data buffer to begin before such data buffer has received all of its incoming data.   The adapter  further  includes  a  programmable  service  time allocation  mechanism  for  limiting  message  service  time relative to data transfer service time and for providing different  amounts  of  data  transfer  service  time  for different ones of the multiple data buffers.
Patent CA-2013368-C (CA)
Title: Method and apparatus for implementing electronic cash
Inventor: OHTA KAZUO
IPC: G06Q20/00
Filed: 1990-03-29
Granted: 1995-01-10
Abstract: ABSTRACT OF THE DISCLOSURE        In an electronic cash implementing method, a user makes a bank apply a blind signature to user information Vi produced, by a one-way function, from secret information Si containing identification information, thereby obtaining signed user information.  Further, the user makes the bank apply a blind signature to information containing authentication information Xi produced, by a one-way function, from random information Ri, thereby obtaining signed authentication information.  The user uses an information group containing the signed user information, the signed authentication information, the user information and the authentication information, as electronic cash for payment to a shop.  The shop verifies the validity of the signed user information and the signed authentication information, and produces and sends to the user an inquiry.  In response to the inquiry the user produces a response Yi by using secret information and random information and sends it to the shop.  Having verified the validity of the response the shop accepts the electronic cash.
Patent CA-2016647-C (CA)
Title: Microprocessor-controlled high-voltage capacitance bridge
Inventor: SO EDDY
IPC: G01R27/26
Filed: 1990-05-11
Granted: 1997-12-30
Abstract: A current comparator bridge for measuring the value of an unknown capacitor includes a current comparator having a first comparator winding with an adjustable tap which is connected to one side of a standard capacitor and a second comparator winding connected to one side of an unknown capacitor, a high voltage source being connected to the other side of the capacitors.  The current comparator is provided with a detection winding for detecting when the ampere-turns in the first and second comparator windings are equal and opposed to each other.  In addition to the current through the standard capacitor being applied to the first comparator winding, the bridge includes a circuit to add a current through a standard conductance to the first comparator winding as well as circuits to compensate for errors.  The detection winding is connected to a current-to-voltage converter with an adjustable gain which provides a signal to a phase sensitive detector. A reduced replica of the high voltage source is also applied to the phase sensitive detector which provides output signals Eo and Eqo to indicate when the bridge is balanced for both in phase and quadrature components respectively.     The values of the capacitance and dissipation factor for the unknown capacitor can then be determined from the balanced condition of the bridge which is designed so that it can be automatically controlled by a microprocessor and switch controller.
Patent CA-2018073-C (CA)
Title: Apparatus and method for assigning address to scsi supported peripheral devices
Inventor: DIXON JERRY D
IPC: G06F12/06
Filed: 1990-06-01
Granted: 1996-01-02
Abstract: Apparatus for assigning addresses to devices connected to  an  SCSI  bus.   A  second  configure  bus  interconnects address assignable devices on the SCSI bus.  The assignable devices may be used in a mixed system where some devices have fixed non-assignable addresses.  The master device in the  SCSI  bus  transmits  configuration  commands  over  the configuration bus and addresses for assignment over the SCSI bus. Acknowledgements are received back from a device which has accepted an address.  Once configured with an address, the device propagates subsequent configuration commands to an adjacent device.
Patent CA-2019356-C (CA)
Inventor: WARNER DOUGLAS L
IPC: B60J10/08
Filed: 1990-06-20
Granted: 1994-02-22
Abstract: Abstract of the Disclosure A seal is described for sealing the space between the trunk compart-ment of an automobile and the decklid covering the compartment.  The seal comprises a rubber channel which has a plurality of fingers which coact with a nib carrying half-moon protuberance to firmly grip an outstanding flange which extends around the opening of the trunk compartment.
Patent CA-2024956-C (CA)
Title: Isoxazoles herbicides
Inventor: ROBERTS DAVID A
IPC: C07C205/11
Filed: 1990-09-10
Granted: 2002-01-22
Abstract: New compounds of formula (see formula I) wherein R1 represents : an optionally substituted alkyl, alkenyl, or alkynyl group ; or an optionally substituted cycloalkyl group ; or an optionally substituted cycloalkenyl group ; or a group such as aryl, benzyl, COOR3, COR3, CN, NO2, NR3R4, halogen atom, R2 represents a group such as NO2, CN, R5, S(O)m R5, SO2NR3R4, COOR3, COR3, CONR3R4, OR5, halogen atom, R3 and R4 represents H or an optionally substituted alkyl R5 represents an optionally substituted alkyl m represents zero, 1 or 2 n represents an integer from 1 to 5 p represents zero or 1 and agriculturally acceptable salts thereof.      The fungical composition comprising these compounds and their application to crop protection.
Patent CA-2028251-C (CA)
Title: Process and barrier for the containment of wastes
Inventor: COTE PIERRE L
IPC: B09B1/00
Filed: 1990-10-22
Granted: 1999-05-11
Abstract: A virtually impermeable barrier around a leachable waste mass can be formed by providing at least one layer of a porous material, e.g. sand, around the waste mass, and disposing two layers of interreactive substances so that their interface is within the porous layer. Through diffusion towards the interface, the substances keep reacting until an impermeable barrier is formed therebetween. An excess of both substances may be provided to ensure self-healing of the barrier should it be disrupted.
Patent CA-2035489-C (CA)
Inventor: LONGSHORE THEODORE F
IPC: H04W16/24
Filed: 1991-02-01
Granted: 1999-09-07
Abstract: There is provided a mechanism for signalling interference protection comprising: transmitting, along with adjacent channel frequencies, an odd/even bit associated with odd/even channels that differentiates adjacent channel frequencies from one another, receiving transmitted an odd/even bit associated with odd/even channels that differentiates adjacent channel frequencies from one another, and responding to ~(s) of interest while remaining unresponsive to other than that of ~ St.
Patent CA-2048133-C (CA)
Title: Folding apparatus for a rotary printing machine
Inventor: MACK RICHARD BURKHARD
IPC: B65H45/28
Filed: 1991-07-30
Granted: 1998-04-28
Abstract: A folding apparatus for a rotary printing machine with two folding formers arranged one behind the other, nip rollers and cutting cylinders for two paper webs longitudinally folding by the folding formers, as well as deflectors, fans and deliveries for streams of folded products formed of the folded paper webs cut by the cutting cylinders, comprising a pair of first frame members carrying the nip rollers and the cutting cylinders therebetween, a second frame member at least partly disposed between the pair of first frames and intermediate the two product streams, idler means, diverter rollers and delivery devices for the folded products being mounted in cantilevered fashion on both sides of the second frame member.
Patent CA-2053688-C (CA)
Title: Smooth grained vinyl chloride polymers and resins with enhanced internal structure homogeneity; process for preparing the same
Inventor: CHAUVIN CAMILLE
IPC: C08F2/22
Filed: 1991-10-18
Granted: 1996-01-09
Abstract: Polymers and resins based on vinyl chloride whose homogeneity of the internal structure is improved. They exhibit an excellent pourability and processability as well as very good degassing aptitude. They are prepared by suspended emulsion polymerisation.
Patent CA-2054256-C (CA)
Title: Synergistic ultraviolet absorber compositions containing hydroxy aryl triazines and tetraalkyl piperidines
Inventor: WATERMAN PAUL SHELDON
IPC: C08K5/3492
Filed: 1991-10-25
Granted: 2003-05-06
Abstract: A synergistic stabilizer composition for polymers is described containing (i) a hydroxy-group containing triazine, and (ii) a 2,2,6,6-tetraalkyl piperidine compound. Also, described is a method of stabilizing polymers.
Patent CA-2056193-C (CA)
Title: Connection piece for electrified glazing
Inventor: DECHOUX JEAN-LUC
IPC: H01B5/14
Filed: 1991-11-26
Granted: 2002-03-19
Abstract: The invention relates to a metal connecting piece (2) intended to be welded to the surface of a window (1) whose lower face has a set of hollows and bosses which serve to define a soldering resist when the piece is pressed onto the surface of the window. It applies in particular to heated automobile windows. <IMAGE>
Patent CA-2060375-C (CA)
Title: Steam generating system utilizing separate fluid flow circuitry between the furnace section and the separating section
Inventor: GARKAWE MICHAEL
IPC: F22B31/00
Filed: 1992-01-30
Granted: 2001-01-02
Abstract: A fluidized bed steam generating system in which a duct is disposed between a furnace outlet and a separator inlet. The dust is formed by first and second wall panels which are comprised of a plurality of parallel tubes extending perpendicular to the direction of the flow of the combustion gases. The tubes comprising the wall panels are bent and welded to a fin extending from corresponding portions of adjacent tubes to form a gas tight structure. The ends of the tubes are connected in fluid flow communication with first and second headers which enables cooling fluid to flow through the tubes for recovering heat from the combustion gases as they flow from the furnace into the separator.
Patent CA-2067136-C (CA)
Title: Growth hormone antagonists
Inventor: KOPCHICK JOHN J
IPC: A61K38/00
Filed: 1990-10-12
Granted: 2003-07-29
Abstract: The present invention relates to growth inhibitory antagonists of bo-vine growth hormone obtained by mu-tation of the third alpha helix of that protein. These novel hormones may be administered exogenously to animals, or transgenic animals may be made that express the antagonist and thereby exhibited a reduced growth phenotype.
Patent CA-2067739-C (CA)
Title: Protective rim configuration for hard-shelled safety helmet
Inventor: DEXTRAZE SERGE
IPC: A42B3/12
Filed: 1990-10-19
Granted: 1996-01-30
Abstract: A hard-shelled safety helmet is described of the type having a shock-absorbent inner liner (2) which is shaped to fit the cranium of a wearer, the helmet having an impact resistant outer casing for the liner (2), and the casing comprising mating top dome (1) and bottom rim (4) portions. An inner surface of the top dome portion (1) is adapted for in-timate engagement with an outer surface of the inner liner (2). The liner (2) extends below the top dome portion (1) when received therein to thereby provide an exposed portion (3) of the outer surface of the liner. The bottom rim portion (4) has, adjacent a lower-periphery (17) thereof, an inwardly extending web (9) and a flange (10) projecting upwardly from the web (9). An inner surface of the bottom rim portion (4) of the casing is adapted for intimate engagement with the exposed portion (3) of the outer surface of the liner (2) and provides a protective cover there-for. The flange (10) of the bottom rim portion (4) is engaged by a corre-sponding groove (11) or step (18) disposed adjacent a lower periphery (17) of the liner (2). The groove (11) or step (18) receives the flange (10) of the bottom rim portion (4) so as to prevent the flange (10) from con-tacting the cranium of the wearer.
Patent CA-2068880-C (CA)
Title: Aqueous synthesis of 2-halo-4,6-dinitroresorcinol and 4,6-diaminoresorcinol
Inventor: YIN TYZE-KUAN TIM
IPC: C07C215/80
Filed: 1990-10-16
Granted: 2002-06-04
Abstract: The displacement of halogen from a 1,2,3-trihalo-4;6-dinitroresorcinol can be carried out in an aqueous medium using al-kali metal hydroxide to form 2-halo-4,6-dinitroresorcinol. The product is a useful intermediate in the synthesis of 4,6-diaminores-orcinol; which is a monomer for polybenzoxazole polymers. The process forms part of a useful aqueous process for synthesizing 4,6-diaminoresorcinol.
Patent CA-2068955-C (CA)
Title: Centrifugally responsive compression release mechanism
Inventor: GRACYALNY GARY J
IPC: F02N99/00
Filed: 1992-05-19
Granted: 2005-12-27
Abstract: An improved centrifugally responsive compression release mechanism transmits the valve loads from the valve operating means through the auxiliary cam member to a plurality of shoulders on the camshaft. The compression release member has a curved saddle to which is attached the auxiliary cam member as well as opposed, downwardly extending flyweights that are generally parallel to the longitudinal axis of the camshaft. The compression release member is pivotally connected to the camshaft by pair of pins extending from the camshaft outer surface and by pair of opposed pin retainers on the compression release member. Valve loads are transmitted through the compression release member to surfaces on the pin retainers which in turn abut the camshaft shoulders.
Patent CA-2069465-C (CA)
Title: Polyisocyanate mixture
Inventor: THORNE STEPHEN J
IPC: C08G18/76
Filed: 1992-05-22
Granted: 1998-05-26
Abstract: A polyisocyanate mixture which  is  emulsifiable  in water comprising;            (i)  An  isocyanate  functional  oligomer,  which  is  the reaction product of;            (a)  a polyisocyanate having tertiary isocyanate groups, and (b)  a hydrophilic polyether having a group which will react with tertiary isocyanate groups, and (ii) a polyisocyanate having tertiary isocyanate groups.            The polyisocyanate mixtures can be used with suitable film-forming polymers to make aqueous coating compositions.
Patent CA-2070594-C (CA)
Title: Emd locomotive engine protective devices override for use during autostart procedure
Inventor: NUDDS J THOMAS
IPC: F02D41/00
Filed: 1992-06-05
Granted: 1999-12-28
Abstract: A method and apparatus for automatically starting an EMD locomotive engine. The disclosed method and apparatus consists of 3 distinct sub-methods and sub-apparati; the first being a method of and apparatus for overriding the engine crankcase protection device, comprising the steps of blocking the airflow to the engine crankcase protection device for a predetermined period of time during engine auto start to prevent the engine crankcase protective device from activating and automatically shutting down the engine;  the second being a method of and apparatus for overriding the engine low-water protection device comprising the steps of venting the airflow to the low-water protective device for a predetermined period of time during autostart to prevent the low-water protective device from activating and automatically shutting down the engine; the third being a method of and apparatus for simulating manual movement of the layshaft of an engine, comprising the steps of electronically energizing at least one solenoid valve in the engine governor to relieve tension on the layshaft and cause it to move and thereby move the injector rack to cause the injector rack to spray fuel into the engine cylinders.
Patent CA-2072129-C (CA)
Title: Multiple rapper control for electrostatic precipitator
Inventor: JOHNSTON DAVID F
IPC: B03C3/76
Filed: 1990-06-29
Granted: 1995-06-13
Abstract: A multiple rapper control (10) for an electrostatic precipitator for monitoring and individually controlling each of a plural-ity of rappers based on computer (12) stored rapper characteristics including the voltage type, the voltage level, the pre-set electri-cal input current, the minimum increment between energization cycles, and the maximum duration of energization. Each rapper is connected to a TRIAC switch device (20) linked to a computer (14) and a power control means (16) to vary the input power to each rapper supplied from a power source (18). Current detecting means (22) is bi-directionally connected to the computer (14) and is connected to the power control means (16) to sense and measure the peak electrical input current to each rapper. A prese-lected logic sequence stored in the computer (12) controls power to each rapper. Optional polarity reversal means (37) eliminate undesirable magnetization of rapper components.
Patent CA-2072790-C (CA)
Title: Hand-held tree girdler
Inventor: COTTER JOEL MARTIN
IPC: F04B39/10
Filed: 1992-06-30
Granted: 1995-11-14
Abstract: A compact, hand-held cutting tool for manually girdling trees.   The tool is generally L-shaped and in-cludes an elongate body portion having a leading end and a trailing end, and a handle extending laterally from the trailing end for gripping by the operator.  The elongate body portion has a substantially planar guide surface for contacting an outer surface section of the tree to be girdled.  A generally U-shaped cutting blade is pivotally coupled to the elongate body proximate the trailing end. The angle of inclination of the cutting blade relative to the guide surface is adjustable to achieve an optimum depth cut in trees of varying diameter.
Patent CA-2078805-C (CA)
Title: Cytokine preparation
Inventor: KUZNETSOV VLADIMIR P
IPC: A61P31/04
Filed: 1992-09-22
Granted: 1997-02-25
Abstract: A novel cytokine composition, the method for its preparation and the use of the composition in the immunotherapy of various diseases such as bacterial infections, viral infections and cancers is disclosed.  The novel method involves adding two novel ingredients, which are termed transal and a complex of proteinase inhibitors to a virally-induced leukocyte culture.  The resulting cytokine composition comprises human leukocyte interferon, Interleuken 1, Tumor Necrosis Factor, Migration Inhibitory Factor, and Leukocyte Migration Inhibition Factor in their naturally occurring ratio.
Patent CA-2079048-C (CA)
Title: Thermostat control
Inventor: ADAMS JOHN T
IPC: F16K31/64
Filed: 1992-09-24
Granted: 2000-04-18
Abstract: A process of operating an electronic thermostat so that it models the effects of a mechanical thermostat anticipator.
Patent CA-2087033-C (CA)
Title: Fibrinogen assays using dry chemical reagents containing magnetic particles
Inventor: OBERHARDT BRUCE J
IPC: B01L3/00
Filed: 1991-06-28
Granted: 2003-06-24
Abstract: An apparatus and a method for performing a fibrinogen assay are disclosed. The reaction slide bears a sample well (22) for receiving a liquid sam-ple and a reaction chamber (24) in fluid communi-canon with the sample well. The reaction chamber contains a dry reagent matrix in which is embedded a plurality of magnetic particles. A whole blood or blood derived sample added to the sample well is introduced simultaneously into the reaction dram-ber where it solubilizes the reagent, freeing the magnetic particles and allowing them to move in an oscillating pattern. This oscillating pattern is opti-cally monitored to measure the concentration of clottable fibrinogen in the sample.
Patent CA-2090989-C (CA)
Title: Removal of arsenic from aqueous liquids with selected alumina
Inventor: VOLCHEK KONSTANTIN
IPC: B01D15/02
Filed: 1993-03-04
Granted: 1995-08-15
Abstract: The removal of arsenic, from aqueous liquids by adsorption  on  alumina,  is  facilitated by  selecting the alumina adsorbent to have a particle size below about 200 micrometres,  forming a slurry of the alumina and aqueous liquid and agitating the slurry.   It has been found that alumina can be selected to have a particle size sufficiently small,  or preferably a combination of both particle size sufficiently small and pore size and number sufficiently large,  to achieve 50 ppb or less arsenic within about 2 hours treatment.   The alumina with adsorbed arsenic  is separated from the slurry by steps preferably comprising microfiltration.    A  precipitation  pretreatment  can  be combined with the  slurry treatment  e.g.  to handle more concentrated solutions.
Patent CA-2095082-C (CA)
Title: Electrolytic removal of magnesium from molten aluminum
Inventor: HOWARD NORMAN E
IPC: C25C3/24
Filed: 1993-04-28
Granted: 1999-11-09
Abstract: Method and apparatus for controlling the temperature of a molten salt, electrolytic demagging cell wherein an operating condition of the cell (e. g., current) temperature, etc.) is measured and a cathode immersed in the cell's electrolyte is moved to and fro the aluminum melt in the cell in response to the measured condition to vary the heat input to the cell.
Patent CA-2095158-C (CA)
Title: Synthetic turf with wide grass-like pile interspacing
Inventor: PREVOST JEAN
IPC: E01C13/08
Filed: 1993-04-29
Granted: 2001-07-10
Abstract: A playing surface for field sports games comprising: a firm, stable subsurface; a pile fabric, having a flexible backing supported by the firm subsurface and normally upstanding grass-like piles, the length of the piles being substantially uniform and lying in the range from 0.375 to 3 inches, wherein the piles further define an interspacing gap between any two successive piles, .sigma., whereby: 0.75 inch ~ .sigma. < 1.25 inch; and a top-dressing layer, comprising ordinary sand, interspersed among the piles, to a substantially uniform depth at least half the length of the piles.