baber/WOPTO huggingface dataset:
Patent CA-2066912-A1 (CA)
Inventor: SHETH KETANKUMAR K
IPC: B04B5/12
Filed: 1992-04-23
Abstract: A gas separator for a submersible centrifugal pump for a well separates gas from liquid components of the well fluid.   The gas separator has a rotatably driven rotor.  The rotor has an outer cylinder, an inner hub and a longitudinal vane that extends between the inner hub and outer cylinder.   Notches are formed in the upper edge of the vanes.  A discharge member, mounted above the rotor,  has a depending skirt that extends into the notches.   This defines a separate inner flow path for gas to flow out of the separator into the well.  The unseparated portions of the well fluid flow in a clearance between the skirt and the housing into a pump intake.   Supports extend out from the discharge member  for  securing  the  discharge  member  in  the housing.
Patent CA-2068522-A1 (CA)
Title: Apparatus for use when filling-in and controlling game coupons
Inventor: JENSEN JOHN
IPC: A63F3/06
Filed: 1990-11-15
Abstract: The apparatus has a face (10) for application of a game coupon (11), said face being constructed as a membrane keyboard with a distribution of keys corresponding to the squares of a superimposed coupon. A coupon (11) placed on the face (10) of the apparatus is filled-in in ordinary manner with a writing implement, whereby the key under the square in question is activated. The coupon is filled-in with information in one and the same cycle, which is transferred to the apparatus, which, for entered coupons, can also perform calculations used in control of the coupons.
Patent CA-2071486-A1 (CA)
Title: Isolating of strains of saccharomyces cerevisiae having altered n.alpha.-acetyltransferase activity
Inventor: SMITH JOHN A
IPC: C12Q1/48
Filed: 1990-10-15
Abstract: A mutation defining a gene for the N.alpha.-acetyltransferase of yeast has been identified and cloned. Mutations in this gene have been constructed and used to produce cells which are substantially incapable of catalyzing N.alpha.-acetylation of protein. Such cells are valuable tools for determining the amino acid sequence of uncharacterized proteins. Such cells are also valuable tools for expressing a recombinant protein lacking an acetyl group at its .alpha.-amino group.
Patent CA-2074781-A1 (CA)
Title: Method for amending color nonuniformity of color images
Inventor: TANAKA YUJI
IPC: G06T5/00
Filed: 1992-07-28
Abstract: ABSTRACT OF THE DISCLOSURE      Each  color dot is displayed by  three  original color  components.  In each color dot, a brightness  is calculated in accordance with brightness constants  for the three original color components and three  original color  component data.  In accordance  with  brightness calculated  for  dots  to be displayed,  the  dots  are grouped  by the brightness and ranges for  grouping  of the dots.  Among  each grouped dots, data are equalized in  each of the three original color component data  to be  stored  in  place  of  the  three  original   color component  data obtained by a scanner, a video  camera, etc.
Patent CA-2075226-A1 (CA)
Title: Surgical retractor
Inventor: REMISZEWSKI STANLEY H
IPC: A61B1/32
Filed: 1992-08-04
Abstract: A novel surgical retractor is provided including a handle assembly, a housing and a collapsible retractor assembly connected to a distal end of the housing. The handle assembly includes a stationary handle in cooperation with an actuating structure for manipulating the collapsible retractor assembly through the housing.      The handle assembly may be configured in a variety of forms including palm grips, pistol grips, axial grips, ring grips, etc. The housing includes a tubular structure having an inner tube axially disposed within an outer tube. The outer tube is fixed in the stationary handle with the inner tube passing through the outer tube and connected to the actuating structure. Where desired, either the outer or inner tube may be rotatably attached to the stationary handle. The retractor assembly is attached to the distal end of the housing and includes a reciprocal yoke assembly interconnected with a plurality of collapsible interleaved retractor blades.  One element of the yoke assembly is typically maintained stationary while the other is allowed to reciprocate axially to deploy the interleaved. retractor blades into a fan configuration.
Patent CA-2076266-A1 (CA)
Title: Battery charger with thermal runaway protection
Inventor: HARM CHARLES E
IPC: H02J7/00
Filed: 1992-08-17
Abstract: A battery charger control includes a thermal sensor attached to the battery being charged. If the temperature readings indicate a thermal runaway condition the charging current output is adjusted in accord with the temperaturereading by means of voltage injection into an output sense lead of the charging circuitry as a means of achieving a control that prevents thermal runaway of thebattery while still permitting continuous charging of the battery.
Patent CA-2079107-A1 (CA)
Title: Compositions and methods for imparting moisture to a substrate
Inventor: PARNELL FRANCIS W
IPC: A61K9/70
Filed: 1991-03-25
Abstract: Methods and formulations are provided for preventing or alleviating the dryness of dermal or mucosal membranes. The compositions are formulated into aerosol sprays, delayed-release formulations, vaginal douches, creams or suppositories, all of which include eriodictyon fluid extract. The formulations may additionally contain other components such as lubricants, preservatives, bronchodilators, choleretics, antibiotics, topical anesthetics, coloring agents, emulsifiers, and the like.
Patent CA-2081735-A1 (CA)
Inventor: OHSAKI HISASHI
IPC: C03C17/34
Filed: 1992-10-29
Abstract: ABSTRACT   A method of making a heat treated coated glass comprising the steps of: forming a solar control layer or an electroconductive layer on a glass substrate; forming a first protective layer composed of a non-oxide or not completely oxidized, which is transparent in a region of visible light, and which remains transparent even when oxidized, to provide a glass coated with a multi-layer comprising at least two layers including said solar control layer or an electroconductive layer and said first protective layer; and performing heat-treatment for said coated glass.
Patent CA-2081783-A1 (CA)
Title: Soil compacting vibrator
Inventor: ANDREASSON LARS
IPC: E02D3/046
Filed: 1991-04-18
Abstract: The invention concerns a soil compacting vibrator having an upper portion (1), a lower portion (13) and a vibratory unit (8) driven by a hydraulic motor as well as vibration attenuators (10) located between the upper portion (1) of the vibrator and its lower portion (13). The vibration attenuators (10) are mounted essentialy diagonally with regard to the bottom plate (11) of the soil compacting vibrator and are at each end of the bottom plate (11) connected on the one hand to end legs (2) which are fastened to the upper portion (1) of the vibrator, and on the other hand to end plates (9) which are fastened to the lower portion (13) of the vibrator. The end legs (2) and end plates (9) are fastened in such manner that they are mutually parallel and of V-shape with their tips either facing the outside of the vibrator or facing its inside. Because of this the end plates (9) effectively function as counterholders against soil masses in grading prior to compacting.
Patent CA-2083818-A1 (CA)
Title: Process for the recovery of minerals from non-sulfidic ores by flotation
Inventor: SCHRECK BERTHOLD
IPC: B03D1/01
Filed: 1991-05-17
Abstract: Abstract A process for the recovery of minerals from non-sulfidic ores by flotation Esters of dicarboxylic acids with fatty acid mono-alkanolamides, optionally in admixture with other anionic or nonionic surfactants, are suitable as collectors for the flotation of non-sulfidic ores, more particularly apatite.
Patent CA-2084174-A1 (CA)
Title: Superconducting device having an extremely thin superconducting channel formed of oxide superconductor material and method for manufacturing thesame
Inventor: NAKAMURA TAKAO
IPC: H01L39/14
Filed: 1992-11-30
Abstract: A superconducting device comprises a substrate, a non-superconducting layer formed in a principal surface of said substrate, an extremely thin superconducting channel formed of an oxide superconductor thin film on the non-superconducting layer. A superconducting source region and a superconducting drain region of a relatively thick thickness are formed of the oxide superconductor at the both sides of the superconducting channel separated from each other but electrically connected through the superconducting channel, so that a superconducting current can flow through the superconducting channel between the superconducting source region and the superconducting drain region. The superconducting device further includes a gate electrode through a gate insulator on the superconducting channel for controlling the superconducting current flowing through the superconducting channel, in which the superconducting channel is connected to the superconducting source region and the superconducting drain region at the higher portions than their one third height portions.
Patent CA-2086253-A1 (CA)
Inventor: RILEY ERIC K
IPC: F27D99/00
Filed: 1991-06-07
Abstract: The noxious fumes leaving the dry hearth chamber (112) of a metal recovery furnace (102) are fed to an incinerator (106) where they are burnt at high temperature with oxygen. The hot, clean exhaust gas is introduced to the bath chamber (111) of the furnace (102). This arrangement typically saves 60 % of fuel costs.  Furthermore, since the fumes are recycled the exhaust emission to atmosphere simply reflects the input of fuel and oxygen. This can be nearly one eighteenth of a conventional plant thereby reducing filter and/or scrubber duty and stack size. This arrangement thus has particular advantages in fuel conservation and conservation of the environment. It enables metals to be recycled in an installation which produces little pollution and which utilizes the heat available in the waste material to conserve fuel.
Patent CA-2086546-A1 (CA)
Inventor: JANSSENS FRANS E
IPC: A61P37/08
Filed: 1991-07-09
Abstract: Substituted thiazolyl and substituted pyridinyl derivatives of formula (I), the pharmaceutically acceptable acid addition salts and the stereochemically isomeric forms thereof, wherein -A1=A2-A3=A4- is a bivalent radical having the formula -CH=CH-CH=CH- (a-1), -N=CH-CH=CH- (a-2), -CH=N-CH=CH- (a-3), -CH=CH-N=CH-(a-4), -CH=CH-CH=N- (a-5), -N=CH-N=CH- (a-6) or -CH=N-CH=N- (a-7); B  represents NR1, CH2, O, S, SO or SO2 wherein R1 is hydrogen or C1-4alkyl; R is a radical of formula (b-1) or (b-2);  wherein D is C1-4alkanediyl; R2 is C1-6alkyl; n is 0, 1 or 2;  L is hydrogen; C1-12alkyl; C3-6cycloalkyl; C3-6alkenyl optionally substituted with aryl; C1-6alkylcarbonyl;  C1-6alkyloxycarbonyl; arylcarbonyl; aryl C1-6alkyloxycarbonyl; or a radical of formula -Alk-R3 (c-1); -Alk-Y-R4 (c-2);  -Alk-Z1-C(=X)-Z2-R5 (c-3); or -CH2-CHOH-CH2-O-R6 (c-4); have antiallergic properties. Compositions containing the same and methods of treating warm-blooded animals suffering from allergic diseases.
Patent CA-2088788-A1 (CA)
Title: Peptides that block human immunodeficiency virus infections and methods of use thereof
Inventor: VAHLNE ANDERS
IPC: C07K5/10
Filed: 1991-08-20
Abstract: It has now been found that relatively short peptides such as tripeptide glycyl-prolyl-glycine are able to effectively inhibit HIV infection of cells and syncytia formation between HIV infected and non-infected cells. The peptides are suitable for therapy of patients infected with HIV and in prevention of HIV infection.
Patent CA-2088802-A1 (CA)
Title: Microporous thermal insulation material
Inventor: JACKSON JAMES D J
IPC: C04B35/80
Filed: 1993-02-04
Abstract: A microporous thermal insulation material is formed from an intimate mixture of a dry particulate microporous material and reinforcing glass filaments. The glass constituting the glass filaments contains not more than 1 per cent by weight Na2O and preferably has the following composition:      SiO2     at least 50% by weight Al2O3    14% to 25% by weight B2O3     up to 8 by weight MgO      up to 10% by weight CaO      up to 21% by weight Na2O     up to 1% by weight K2O      up to 2% by weight Fe2O3    up to 1% by weight F2       up to 1% by weight.
Patent CA-2089813-A1 (CA)
Title: Hemming press
Inventor: BROWN GERALD A
IPC: B21D39/02
Filed: 1993-02-18
Abstract: Abstract of the Disclosure A press with both prehemming and final hemming tools or steels each driven by the same prime mover.  Each steel is mounted on a separate carrier driven through separate toggle joints to advance and retract the steels for prehemming and final hemming of an upturned flange along the edge of a steel panel.  To facilitate synchronizing the operation of at least two presses, the prime mover may be a screw and servo motor drive assembly.
Patent CA-2090444-A1 (CA)
Inventor: TANIMIZU HIROMI
IPC: H04N1/031
Filed: 1993-02-26
Abstract: Light-shielding layers are adhered to the lower surface of a glass plate, spaced apart from each other and defining a slit having a width of L.  An array of rod lenses is located below the glass plate, such that the optical axes of the lenses pass through the slit. The lower surface of the glass plate is generally covered, and exposed via the slit only.  Hence, the leakage of lights reflected from points near a reading position into each photoelectric conversion element is minimized, whereby the element outputs a pixel signal faithfully representing that part of the image which is located at the reading position.
Patent CA-2091660-A1 (CA)
Inventor: SEXTON JOHN S
IPC: B24D7/00
Filed: 1993-03-15
Abstract: ABSTRACT     A polishing pad comprises a carrier and layer of a non-porous thermoplastic polymer secured to a surface thereof and containing a mass of discrete abrasive particles uniformly dispersed therein. The abrasive particles have a particle size of up to 500 microns and are present in the layer in a concentration of up to 30 volume percent. The layer presents an abrasive polishing surface. The abrasive layer may also comprise a plurality of spaced strips secured to a surface of the carrier and each strip presents an abrasive polishing surface.
Patent CA-2091768-A1 (CA)
Inventor: LUPEIKO VITOLD M
IPC: C21C5/28
Filed: 1991-09-17
Abstract: The proposed method is characterized in that the liquid bath is constituted by the melt of a low-carbon steel and molten slag.  Oxidation and reducing zones are created through which, along a closed path an the surface of the molten low-carbon steel, is circulated the molten slag, into which are blown powder slag materials which are melted with the heat of a fuel-oxygen torch immersed into the melt, The said method is carried out in a melting reservoir shaped as a closed annular chamber (1) provided with partitions (11) hermetically dividing the gas space above the molten slag into oxidation (6) and reducing (7) zones.
Patent CA-2093695-A1 (CA)
Inventor: PICKEN STEPHEN J
IPC: G02F1/13
Filed: 1993-04-08
Abstract: ABSTRACT      The invention relates to a twisted nematic film comprising a non-crosslinked liquid-crystalline polymer having a Tg above 75°C and a rotational viscosity (.gamma.) of less than 5000 Pascal.seconds (Pa.s) between Tg and Tni.  Such twisted nematic films are used in displays.  The invention further relates to methods for the preparation of these twisted nematic films, to the use of said twisted nematic films for optical data storage and in writable compact disks and to a display device comprising such a twisted film.
Patent CA-2093911-A1 (CA)
Title: Polyolefin catalysts and method of preparing an olefin polymer
Inventor: COOK GREGORY A
IPC: C08F10/00
Filed: 1991-09-25
Abstract: A method of manufacturing a polyolefin using a catalyst system of an ingredient (A) and ingredient (B), with ingredient A being obtained through successive reaction steps. Ingredient A is prepared by forming a mixture of (1) the combination of (a) metallic magnesium or an oxygen-containing organic compound of magnesium with (b) a mixture of a monohydroxylated organic compound and a polyhydroxylated organic compound, (2) oxygen-containing organic compounds of titanium and (3) at least one alpha-olefin having at least 4 carbon atoms, such as 1-hexene. The resulting solution is reacted in sequence with (4) at least one first halogenated aluminum compound, (5) at least one silicon compound and (6) at least one second halogenated aluminum compound. Ingredient B is an organometallic compound of metals from Group Ia, IIa, IIIa or IVa of the Periodic Table. The resulting free-flowing polyolefin is characterized by a large average particle size and small amount of fine particles.
Patent CA-2094106-A1 (CA)
Title: Residential refuse collection cart lifter with universal features
Inventor: BAYNE JIMMY O
IPC: B65F3/08
Filed: 1993-04-15
Abstract: ABSTRACT OF THE DISCLOSURE    A lifter picks up different style residential refuse collection carts, without requiring operator adjustments. An upper movable clamp bar with adjustable closure timing cooperates with a finger support bar to grab a cart type having a single upper lifting lip and otherwise smooth sides.  A hinged saddle and hinged sliding hook lift carts having a pair of opposing engagement surfaces such as lift bars.  The hinged members are automatically pivoted into retracted positions during presentation of the smooth sided style cart, but are otherwise maintained in place for engag-ing carts of the other type.  The lifter has a relatively short face plate for size and weight advantages, made possible by alternate downward extension and subsequent retraction of the hinged sliding hook during a lift cycle. Rollers on the extending portion of the face plate prevent cart scarring.  Adjustment for different height carts is provided by a vertical lift assembly which uses a hydraulic sequencing valve to first raise the lifter to an appro-priate height for engaging the cart and then to cycle through a dumping process.  The combination of compact lifter thickness and length enhances lifter usage with front load box truck arrangements or with rear or side truck locations.
Patent CA-2095916-A1 (CA)
Title: Telephone call handling system
Inventor: SHAIO JACK
IPC: H04M3/523
Filed: 1991-11-13
Abstract: A system for automatically handling incoming telephone calls including a circuit for receiving an incoming telephone call arriving at an incoming line, a circuit (18) for receiving telephony information about the incoming telephone call, a circuit for assigning one of a plurality of possible application programs to handle the call based upon the information, the circuit (38) for assigning including a call discrimination subsystem, at least one application program including queries for obtaining further information about the call, and a circuit for returning control to the call discrimination subsystem to reassign the call based upon the telephony information and the further information.
Patent CA-2096158-A1 (CA)
Title: Wood-cutting method and tool for implementation thereof
Inventor: FRENKEL ISAAK M
IPC: B27M1/06
Filed: 1993-05-13
Abstract: Abstract A wood-cutting method is disclosed using a tool having a cutting part heated by electric current wherein the temperature of the cutting part of the tool, in proximity of the wood, is maintained at a predetermined level.  Also disclosed is a wood-cutting tool that has a carrying part and a cutting part in which the cutting part is heated by electric current.  The cutting part is blunt and projects beyond the side surfaces of the carrying part.  In order that the temperature of the cutting part be maintained at a predetermined level, the tool is provided with a temperature regulator with at least one temperature-sensitive element arranged in thermal communication with the cutting part.  The blunt cutting part is formed as a bulbous rigid member selectively coated with an electrically insulative coating that supports a film electric resistance heating element which in turn is covered by an outer protective covering.  A heat responsive sensing element, temperature reference and comparator and adjustable electric power control maintain the temperature of the cutting element at a selected level during cutting.
Patent CA-2096542-A1 (CA)
Title: Protein staining compositions and methods
Inventor: SHULTZ JOHN W
IPC: C09B1/34
Filed: 1991-11-19
Abstract: The present invention provides novel dyes for staining proteins, particularly those in electrophoretic gels, and detecting the proteins with high sensitivity. The dyes of the invention are derivatives of known dyes that are more hydrophobic than the corresponding, known dyes and, in eletrophoretic gels, including polyacrylamide gels with sodium dodecyl sulfate, form easily detectable, non-vovalent complexes with proteins. In some cases, the corresponding, known dyes bind to protein covalently. The complexes of protein with some dyes of the invention can be detected with high sensitivity simply by observation of the color of the complexes by eye. The complexes of protein with other dyes of the invention are detected by observation of the fluorescence of the complexes.  Dyes of the invention include derivatives of CoomassieR dyes, acid blue 25, dansyl chloride, fluorescein, and 2-methyl-2,4-diphenyl-3(2H)-furanone. The invention also provides quantitative and qualitative methods for detecting proteins which comprise staining the proteins with a dye of the invention.
Patent CA-2096561-A1 (CA)
Inventor: GORDON JAMES R
IPC: B65G45/16
Filed: 1993-05-19
Abstract: A primary conveyor belt cleaner includes an elongated support extending across but spaced from a conveyor belt of width W and includes a stiff guide extending for approximately the full length of the support; a scraper blade of resilient elastomer resin is mounted on the support and engages the conveyor belt surface.  The scraper blade has a short base wall removably mounted on the support by a reinforcement that interfits with the guide; the blade has two longer curved side walls, an inner wall concave toward the belt and an outer wall convex away from the belt.  The two side walls come together to form a scraping edge.  The belt cleaner includes a torsion bias mechanism that resiliently maintains the belt scraping edge in continuous engagement with the belt.  Two or more primary cleaners may be incorporated in one system.  Flexure of the blade permits passage of a mechanical splice in the belt without appreciable damage to the blade or to the splice.
Patent CA-2098052-A1 (CA)
Inventor: DAIGRE JEAN-CLAUDE
IPC: E06B9/11
Filed: 1993-06-09
Abstract: 18 MEUBLE DU TYPE ARMOIRE OU AUTRE A FERMETURE PAR RIDEAU MOBILE. La présente invention a pour objet un meuble du type armoire de rangement ou autre à fermeture par rideau mobile. Le meuble selon l'invention est constitué de parois latérales verticales 1 réunies par des éléments de liaison transversaux haut (2) et bas (3) et d'un fond (4), comprenant un organe de fermeture constitué par un rideau (5) à lattes articulées, le dit rideau passant d'une position frontale de fermeture à une position transversale et arrière d'ouverture. Le rideau est mobile dans des rails de la face interne des parois latérales verticales (1), les dits rails suivant le contour des dites faces internas et présentant au moins une partie avant, une partie arrière et une partie transversale réunies aux angles par des portions en arc de courbe et les éléments de liaison transversaux haut et bas sont fixés aux parois verticales (1) ou flancs entre les parties transversales hautes et basses de rails, le rideau défilant au-dessus et/ou au-dessous des dits éléments de liaison.