baber/WOPTO huggingface dataset:
Patent CA-2010256-A1 (CA)
Inventor: OLIFF ALLEN I
IPC: C12N/
Filed: 1990-02-16
Abstract: We have modified PE40 toxin by removing at least two of its four cysteine amino acid residues and have formed hybrid molecules containing modified PE40 linked to a cell recognition protein that can be an antibody, a growth factor, a hormone, a lymphokine, or another polypeptide.cell recognition protein for which a,specific cellular receptor exists. whereby the modified PE40 toxin is directed to cell types having receptors for the cell recognition protein linked to the modified PE40.
Patent CA-2012717-A1 (CA)
Inventor: MATSUNAWA MASAHIKO
IPC: H04N1/62
Filed: 1990-03-21
Abstract: A B S T R A C T     The invention provides an image processing apparatus including image  input  circuit  for  reading  color  images  obtained  by splitting an original image per a unit of pixels into three color components;  color data-forming cicuit for forming color data for identifining a color of each of said pixels either white color,  an achromatic color or a chromatic color on the basis  of  the  color  images;   color-reproducing  circuit  for converting the color images into density data corresponding to plural recording colors; and marked region-detecting circuit for detecting a marked portion on the basis of the color data formed by the color data-forming circuit and for extracting a region enclosed by the marked portion.
Patent CA-2012738-A1 (CA)
Title: Wiring device with improved push-wire termination release
Inventor: BREZEE VICTOR L
IPC: H01R4/48
Filed: 1990-03-21
Abstract: Abstract Of The Disclosure An electrical wiring device having a housing with a first set of openings through which the bare ends of conductors  are  pushed  to  effect  so-called  push-wire connection of the conductors  to  terminals  within the housing in the usual manner.  A second set of openings is provided adjacent the first set and a reciprocally slidable member is positioned within each of the second set  of openings.    Using  a  small  tool,  the  slidable members may be pushed inwardly to contact and move the spring clip holding  the  conductor  in  firm engagement with the terminal,  thereby releasing the conductor and permitting its withdrawal from the wiring device.   The slidable members  include  a central stem portion with protrusions extending outwardly  in opposite directions adjacent the two ends thereof.  The slidable members are configured  to  cooperate  with  portions  of  the  wiring device in such a way that movement is constrained to a predetermined path between inner and outer limits.
Patent CA-2012976-A1 (CA)
Title: Lever-actuated, hand-held power tool
IPC: B25F5/02
Filed: 1990-03-23
Abstract: The tool has a circular body, and an actuating lever pivotably coupled thereto.  The lever, however, has two limbs, joined through a bight, and one of the limbs is fully nested in a recess formed therefor in the body.      Consequently, one may grasp the tool about the body, whereat the one limb is nested, without turning the tool on, inadvertently.  The other limb extends outwardly from the body, however, and by grasping the tool thereat, and depressing this other limb, the tool is turned on.
Patent CA-2013129-A1 (CA)
Title: Spark plug for internal combustion engine
Inventor: YOSHIDA MITSUTAKA
IPC: F02B75/02
Filed: 1990-03-27
Abstract: A spark plug for an internal combustion engine is disclosed.  A semiconductor material having a resistance of 5 x 10 2 - 5 x 10 4 Mn/mm is coated or baked in the form of a band on the peripheral surface of a basal part of a leg portion of an insulator of the spark plug.  Preferably, at least the basal part of the leg portion, including the band, is covered with a water-repellant insulating coating.  An inner wall of a metal shell of the spark plug is desirably coated with a water-repellant material at an area facing at least the peripheral surface of the basal part of the leg portion of the insulator.  The band of the semi-conductor material is effective for preventing the orientation of carbon even when carbon deposits together with water and the like on the surface of the insulator.  It is therefore possible to avoid the reduction of insulation resistance.
Patent CA-2013435-A1 (CA)
Title: A single handle mixer valve with hard material plates, having a movable plate swinging around the delivery connection
Inventor: FERRARI LEOPOLDO
IPC: F16K11/078
Filed: 1990-03-28
Abstract: A sing a handle mixer valve with hard material plates, wherein a fixed member forming a delivery connection for mixed water projects up to the level of the movable plate of the valve, whose cavity forming the duct for water passage encircles the delivery connection by engaging the same, in order to offer a guide for the swinging displacements of the movable plate, whilst the delivery connection acts as a fulcrum therefor. The cavity of the plate may be blind or it may traverse right through the plate, which in this latter case sealingly cooperates with a control head which closes the cavity. Preferably the delivery connection is a part of a supporting member for the fixed plate of the valve; a member of a wear resistant material having a low friction coefficient is inserted within the cavity of the movable plate; and some portions of this latter member, the control head or the movable plate itself are shaped so as to exert a preclosure action.
Patent CA-2014376-A1 (CA)
Title: Ultrasonic power supply
IPC: H03L7/06
Filed: 1990-04-11
Abstract: An ultrasonic power supply for driving a piezoelectric transducer at its parallel resonant frequency includes a clamped-mode resonant converter for converting direct current to alternating current and a demodulator, a loop filter and a voltage controlled oscillator in a phase locked loop configuration. The power supply also includes a control circuit for adjustably setting and controlling the amplitude of vibration of the transducer, and providing during start-up a ramp start. The power supply, further, includes a control circuit for limiting the maximum permissiblecurrent flow to the transducer and the reverse current flow from the transducer resulting from stored mechanical energy. Both control circuits provide feedback signals which control the pulse width modulated operation of the clamped-mode resonant converter and thereby control the voltage amplitude of the alternating current output from the converter. The phase locked loop circuit causes the frequency of the alternating current output from the converter to track the parallel resonant frequency of the transducer.
Patent CA-2014612-A1 (CA)
Inventor: RUBIN DANIEL
IPC: H02M3/335
Filed: 1990-04-12
Abstract: An inverter for supplying electrical energy from a DC supply to a load, includes a transformer having a primary winding circuit coupled to the DC supply, and a secondary winding circuit coupled to the load. The primary winding circuit includes a first switch for interrupting the DC supply causing energy to be stored in the transformer, and the secondary winding circuit includes a second, unidirectional switch to produce an output of one sign when closed. The primary winding circuit further includes an electrical device effective to return energy to the DC supply when the first and second switches are open.
Patent CA-2016122-A1 (CA)
Title: Production of nitrogen compounds
Inventor: BLACKBURN STEPHEN R
IPC: C01B21/076
Filed: 1990-05-04
Abstract: ABSTRACT OF THE DISCLOSURE               PRODUCTION OF NITROGEN COMPOUNDS     A method for the production of a nitride of zirconium, hafnium, silicon, germanium, tin, lead, boron, aluminium, gailium, indium or thallium either alone or as mixtures is claimed. Ammonia and a halide of at least one of these elements are heated by means of a direct electric current plasma in a non-oxidising gas in a reactor in which recirculation is induced such that the defined recirculation ratio is greater than 2.5 and preferably greater than 4Ø Any titanium halide present shall be less then 40% by weight of mixed halides.
Patent CA-2018188-A1 (CA)
Title: Calcium sulfate as a partial replacement for titanium dioxide in white compounds
Inventor: MILLER STEVEN J
IPC: C08K3/30
Filed: 1990-06-04
Abstract: ABSTRACT     The invention relates to a whitened polymeric blend composition in which the whiteness is achieved by the substitution of from about 0 to about 20 parts per hundred rubber of calcium sulfate for from about 0 to about 20 parts per hundred rubber of titanium dioxide by volume.  The invention allows for a reduction of up to 20 percent of the titanium dioxide, while maintaining a brightness of at least 85 as measured on the L scale of the Minolta Chroma Meter test.
Patent CA-2019077-A1 (CA)
Title: Coated cutting insert
Inventor: CHATFIELD CHRISTOPHER
IPC: C23C30/00
Filed: 1990-06-15
Abstract: The present invention relates to a body coated with at least one double layer Al2O3-TiC. Because the Al2O3-layer in contact with the TiC-layer consists of kappa-Al2O3 or theta-Al2O3 an improved adherence has been obtained.      A further improvement.of the properties is obtained if the body after the coating is heat treated fox 0.3-10 hours at 900-1100 °C in protecting gas atmosphere at which initially nucleated kappa- or theta-Al2O3 is transformed to fine-grained alpha-Al2O3.
Patent CA-2019862-A1 (CA)
Title: Method and apparatus for in situ cleaning of excimer laser optics
Inventor: RUFIN DENIS
IPC: H01S3/225
Filed: 1990-06-26
Abstract: ABSTRACT OF THE DISCLOSURE    A method and apparatus for cleaning the optical elements in an excimer laser in situ.  A source of high pressure carbon dioxide gas is allowed to escape through a nozzle facing the surface of the optical elements.  The escaping gas expands and cools sufficiently to form a carbon dioxide ice jet.  The ice jet strikes the surface of the optical elements causing cleaning of the elements by abrasion.  Carbon dioxide may be removed merely by evacuation and purging of the system.  Thus the mirrors are cleaned without removing them.
Patent CA-2020708-A1 (CA)
Title: Coated substrates and process
Inventor: CHU WEI-KAN
IPC: B01J19/00
Filed: 1990-07-09
Abstract: ABSTRACT           Disclosed herein is a coated substrate and a process for forming films on substrates and for providing a particularly smooth film on a substrate. The method of this invention involves subjecting a surface of a substrate to contact with a stream of ions of an inert gas having sufficient force and energy to substantially change the surface characteristics of said substrate, and then exposing a film-forming material to a stream of ions of an inert gas having sufficient energy to vaporize the atoms of said film-forming material and to transmit the vaporized atoms to the substrate surface with sufficient force to form a film bonded to the substrate.  This process is particularly useful commercially because it forms strong bonds at room temperature.           This invention is particularly useful for adhering a gold film to diamond and forming ohmic electrodes on diamond, but also can be used to bond other films to substrates.
Patent CA-2020752-A1 (CA)
Inventor: MACINTYRE IAIN
IPC: A61K38/23
Filed: 1990-07-09
Abstract: Use of amylin, or variants of amylin, as well as amylin agonists, for the treatment of bone disorders, in particular osteoporosis, Paget's disease, and malignant deposits in bone, bone loss of malignancy or endocrine disorders or autoimmune arthritides or immobility and disuse, and in other conditions where a hypocalcaemic effect is of benefit. Functional peptide fragments of amylin, or a variant of amylin or amylin fragment, are provided as well as a soluble amylin, amylin fragments, or variants thereof, or a lyophilized product, or an oral formulation for use alone, or in combination with other agents, including insulin (or insulin-stimulating agents, including but not limited to the sulfonylureas) and estrogens, for the treatment of disorders of bone or calcium balance.
Patent CA-2021384-A1 (CA)
Title: Transparent toughened thermoplastics
Inventor: THOMPSON RONALD J
IPC: C08L51/00
Filed: 1990-07-17
Abstract: Tough transparent thermoplastics blends may be prepared by blending 10 to 99 weight percent of a block copolymer; 0.1 to 1 weight percent of particulate rubber having a particle size from 0.1 to 10 microns; and the balance a clear glassy polymer. These clear polymers are useful in a number of applications, particularly for those applications requiring quite high toughness and transparency such as packaging, containers or protective covering.
Patent CA-2021522-A1 (CA)
Title: Method for migrating seismic data
Inventor: BEASLEY CRAIG J
IPC: G01V1/28
Filed: 1990-07-19
Abstract: A method for properly migrating seismic data which has been elevation-static corrected.  The method is comprised of assigning a zero (or very small) migration velocity for data  located  below  a  datum,  yet  above  the  original recording  surface  elevation.    A  best  estimated  earth velocity is input into the migration algorithm to represent the  earth below the original  recording  surface.    For seismic data collected in water-covered environments where the water bottom is irregular, the method contemplates that the data lying above the water bottom are migrated using the migration velocity of water.   The data lying at or below the water bottom are migrated with  a migration velocity of zero.  In a second step, are elevation-static corrected and migration is performed where the velocity is zero between the datum and the original surface.   Data below the surface is migrated using the estimated earth velocity.
Patent CA-2021550-A1 (CA)
Title: Nouveau compose marque au tritium, sa preparation et son application notamment dans le reperage des recepteurs nucleaires des retinoides
Inventor: SHROOT BRAHAM
IPC: C07C65/26
Filed: 1990-07-19
Abstract: "Nouveau composé marqué au tritium. sa préparation et son application notamment dans le repérage des récepteurs nucléaires des rétinoïdes." Acide 6-¢3-(1-adamantyl)-4-méthoxyphény!-2-naphtoïque marqué au tritium; préparation et utilisation de ce composé notamment comme marqueur radioactif dans le dosage des récepteurs nucléaires des rétinoïdes, en particulier en présence de CRABP contaminante, ou dans la mesure de l'affinité de substances telles que des rétinoïdes pour ces récepteurs nucléaires.
Patent CA-2021575-A1 (CA)
Title: Polycarbonate gas separation membranes containing substituted benzenes and processes for making and using the same
Inventor: ADMASSU WUDNEH
IPC: B01D67/00
Filed: 1990-07-19
Abstract: ABSTRACT         This invention relates to improved semi-permeable polycarbonate gas separation membranes containing substituted benzene(s), a method of using such membranes to separate gases, and a method of fabricating such membranes.
Patent CA-2024253-A1 (CA)
Title: Entities for cancer therapy
Inventor: HUBER BRIAN
IPC: A61K38/45
Filed: 1990-08-29
Abstract: Novel molecular chimaeras produced by recombinant BNA techniques are described. They comprise a target tissue specific transcriptional regulatory sequence (TRS) linked and controlling the expression of a heterologous enzyme for example Varicella Zoster Virus Thymidine Kinase (VZV TK) gene. A molecular chimaera is packaged into a synthetic retroviral particle which is capable of infecting mammalian tissue. This in turn may be administered to a patient, and the TRS will be selectively transcriptionally activated in the target tissue (for example cancerous tissue). Administration of compounds which are selectively metabolised by the enzyme produce cytotoxic or cytostatic metabolites in situ thereby selectively killing or arresting the growth of the target cell.
Patent CA-2026485-A1 (CA)
Title: Use of ultrasonic energy in the transfer of waxy crude oil
Inventor: SCRIBNER MICHAEL E
IPC: F17D1/16
Filed: 1990-09-28
Abstract: USE OF ULTRASONIC ENERGY IN THE TRANSFER OF WAXY CRUDE OIL            Abstract Ultrasonic energy is applied to a combination of waxy crude oil and solid polymeric wax crystal modifier to effect dissolution of the modifier in the crude oil, thereby reducing the gel strength of the crude oil.
Patent CA-2029718-A1 (CA)
Title: Method and apparatus for modulation current regulation for laser diodes
Inventor: PROEBSTER WALTER
IPC: H04B10/58
Filed: 1990-11-09
Abstract: ABSTRACT OF THE DISCLOSURE   In known modulation current regulators, a low-frequency pilot signal is often superimposed on the digital useful signal and the two superposition products resulting in a light signal are evaluated. Due to the cut-in delay of a laser diode, the preconduction current of the laser diode in laser diode transmitters having transmission rates of at least a few 100 Mbit/s must be set so high that a superposition product only results in the light output signal and, therefore, a regulation of the modulation current is no longer possible in the known manner. For regulating the modulation current given high transmission rates, at least one pulse sequence is periodically inserted into the digital transmission signal or a pulse sequence already contained ill the digital transmission signal is evaluated, the pulse sequence being composed of at least one part having a majority of logical one pulses and of a part having a majority of logical zero pulses.
Patent CA-2030479-A1 (CA)
Inventor: BRADFORD JOHN G
IPC: A61G1/044
Filed: 1990-11-21
Abstract: ABSTRACT         A stretcher for conveying a patient in an immobilized condition has a body support within a perimeter frame, and elongated flaps connected to the body support to define a tapering body support zone between the flaps.  The upper side of one flap and the underside of the other flap each carry several parallel strips of hooked pile fabric, extending in perpendicular directions on the two flaps, so that by folding the flaps across, the patient can be immobilized in a tube formed  by  the  body  support  member and  the  flaps. Longitudinal restraint is provided to shoulder and foot straps, free ends of which are secured by being laid between the flaps.  An auxiliary pelvic harness may be used, and a head restraint is provided.
Patent CA-2031400-A1 (CA)
Title: Stabilized organic material containing o-hydroxyphenyl-s-triazines
Inventor: BIRBAUM JEAN-LUC
IPC: C09D7/12
Filed: 1990-12-03
Abstract: o-Hydroxyphenyl-s-triazines of the formula I   (see formula I) in which n is 1 to 4 and R1 to R7 are as defined in claim 1, can be used, in combination with sterically hindered amines of the polyalkylpiperidine type, for stabilizing organic polymers. Some of these compounds are novel and can also be used without polyalkyl-piperidine.
Patent CA-2032563-A1 (CA)
Title: Textile web, production process thereof and composite product made therewith
Inventor: DE SMET GABRIEL
IPC: B32B3/12
Filed: 1990-12-18
Abstract: The subject of the present invention is a textile core comprising at least one knitted or non-woven sheet structure (10) comprising one or more types of threads, the said sheet structure (10) being impregnated with a resin and shaped. The sheet structure (10) comprises, in predetermined zones, projections (11) of variable height and/or density. The textile core (10) is inserted between two skins (2, 3) in order to form a composite product. The invention also relates to the manufacturing method and the composite product obtained with such a textile core.
Patent CA-2032898-A1 (CA)
Title: Method for treating cardiovascular diseases, e.g. myocardial ischemia and ventricular arrhythmia is enclosed
Inventor: KRAPCHO JOHN
IPC: C07C311/21
Filed: 1990-12-20
Abstract: PHARMACEUTICAL COMPOSITION AND METHOD FOR  TREATING CARDIOVASCULAR DISEASES USING  SUBSTITUTED ANILIDES AND SULFONAMIDES                       Abstract A novel pharmaceutical composition and method is disclosed for the treatment of cardiovascular diseases, e.g. myocardial ischemia and/or arrhythmia.  The method and composition include an effective amount of a compound of the formula I        , wherein X, Y, R, R1, R2 A, A', m, n, p, p' and B are as defined herein.
Patent CA-2033237-A1 (CA)
Title: Tube spring steel tab lock coupling connector and method for connecting telescoping tubes
Inventor: MCELROY DONALD J
IPC: F16L37/12
Filed: 1990-12-27
Abstract: TUBE SPRING STEEL TAB LOCK COUPLING CONNECTOR AND METHOD FOR CONNECTING TELESCOPING TUBES    ABSTRACT                A coupling (10) is disclosed for joining together a first tube (12) and a second tube (14) to form a continuous fluid passageway.  The first tube (12) has a mount (20) a predetermined distance from its end (18) and the second tube (14) has a return bend on its end (36).   Second tube (14) telescopically fits over first tube (12).  A cage (22) having inclined locking tabs (30) is mounted by mount (20) externally of first tube (12).  Locking tabs (30) cam to allow the return bend (36) of second tube (14) to pass the locking tabs (30).  Tabs (30) return to their at rest inclination after the return bend (36) passes, to trap the return bend (36) between the locking tabs (30) and mount (18), thereby locking the first and second tubes (12,14) against disconnection and providing a visible connection to allow verification of the connection.
Patent CA-2033701-A1 (CA)
Inventor: PEARCE DAVID E
IPC: E21B10/20
Filed: 1991-01-07
Abstract: A rotary drill bit (10) having a roller cutter (28) retained on a journal (24) by an externally threaded retainer ring (52) mounted within an annular groove (48)  in the journal (24). The radii (R1, R2) formed at the inner and outer corners of the groove (48) are designed by suitable formulas to provide adequate strength for the journal (24) including the flange (50) adjacent the groove (48).
Patent CA-2035812-A1 (CA)
Inventor: JACKSON DALE H
IPC: B41F33/14
Filed: 1991-02-06
Abstract: The position of a drive shaft of a printing press is regulated during acceleration of the printing press.  A position regulator includes a first integrator and a second integrator connected in tandem with the first integrator.  The first integrator provides an output signal corresponding to the integral of the difference between a first position signal indicative of the desired position of the drive shaft and a second position signal indicative of the actual position of the drive shaft.  The second integrator responds to the output signal from the first integrator to provide a control signal.  A control arrangement responds to the control signal from the second integrator to accelerate the drive shaft.  During acceleration of the drive shaft, the difference between the first and second position signals is driven to a value of zero.
Patent CA-2037231-A1 (CA)
Title: Braking apparatus
Inventor: PINK EDWIN G
IPC: B66B11/04
Filed: 1991-02-27
Abstract: The braking apparatus is provided for a shaft conveyance system in which a conveyance 18 is driven up and down an upright track 20 in the shaft 10. The braking apparatus comprises a brake 22 associated with the conveyance 18 which is operable to engage a counter-member 16 in the shaft 10 to hold the conveyance 18 at a chosen elevation on the track 20. A load cell 34 is provided for sensing the vertical load on the brake when it is engaged with the counter-member. Also provided are means operable in response to the load cell to disengage the brake from the counter-member when the load cell senses a predetermined load on the brake.
Patent CA-2037908-A1 (CA)
Title: Process for producing high strength stainless steel of duplex structure having excellent spring limit value
Inventor: MIYAKUSU KATSUHISA
IPC: C21D6/00
Filed: 1990-07-19
Abstract: A process for the production of a stainless steel strip having excellent spring characteristics as such and good formability, wherein a cold rolled strip of a stainless steel comprising, in addition to Fe, from 10.0 to 20.0 % by weight of Cr, from 0.01 to 0.15 o by weight of C, and at least one of Ni, Mn and Cu in an amount of from 0.1 to 4.0 % by weight, is continuously passed through a continuous heat treatment furnace where it is heated to a temperature range for a two-phase of ferrite and austenite, rapidly cooled to provide a strip of a duplex structure, consisting essentially of ferrite and martensite, optionally temper rolled at a rolling reduction of not more than %, and continuously passed through a continuous heat treatment furnace to effect aging of not longer than 10 minutes.