baber/WOPTO huggingface dataset:
Patent CA-2071185-C (CA)
Title: Process for delignifying lignocellulosic pulp by means of oxygen
Inventor: COLODETTE JORGE L
IPC: D21C3/02
Filed: 1992-06-12
Granted: 1995-02-07
Abstract: IMPROVEMENT IN A PROCESS FOR DELIGNIFYING  LIGNOCELLULOSIC PULP BY MEANS OF OXYGEN                       ABSTRACT     The present invention refers to an improvement for delignifying a lignocellulosic pulp by means of oxygen wherein ethanol is used as an additive and the process is carried out at high temperature thereby obtaining a higher reduction of ligin content of the lignocellulosic pulp, that is, a higher reduction of the Kappa Number in comparison with conventional processes without, however, prejudicing the pulp quality.  The use of the present invention provides a pulp which, when subjected to subsequent bleaching sequences, will require a lower amount of chloro compounds in order to achieve the desired whiteness and will also exhibit a high viscosity thus rendering a product with good resistance properties.
Patent CA-2074648-C (CA)
Inventor: ISHIDA HISASHI
IPC: H05K3/28
Filed: 1992-07-24
Granted: 1999-02-23
Abstract: A polyimide multilayer wiring substrate that comprises a plurality of wiring layer blocks, each of which including a plurality of polyimide wiring layers, which are electrically connected and formed into a single body by means of an anisotropic conductive film that is inserted between adjacent blocks, the multiple wiring substrate being manufactured by inserting said anisotropic conductive film between adjacent blocks and compressing and heating the blocks and layer of film so as to form them into a single body.  This process of inserting, compressing and heating is repeated N times to provide a layered structure comprising N pieces of wiring layer blocks.
Patent CA-2078504-C (CA)
Title: Method of and an apparatus for protecting a ship from missiles with two-colour infra-red target seeking heads
Inventor: BANNASCH HEINZ
IPC: F41H3/00
Filed: 1992-09-17
Granted: 1996-03-26
Abstract: A method of protecting a ship from missiles with two-colour  infra-red  target  seeking  heads  and  which  is characterised in that an interference transmitter disposed on the ship sends out exclusively short wave infra-red rays, at least intermittently, the strength of radiation from the interference transmitter being so adjusted that the ratio of short wave to medium wave infra-red radiation is so shifted that the ship cannot be reliably recognised as a target by the two-colour infra-red target seeking head.
Patent CA-2092395-C (CA)
Title: An interlayer film for laminated glass
Inventor: UEDA NAOKI
IPC: B32B27/30
Filed: 1993-03-24
Granted: 2003-07-29
Abstract: An interlayer film for laminated glass comprising laminated layers of at least once layer (A) which comprises a plasticizes and polyvinyl acetal resin for which the number of carbon atoms in the acetal group is 4,5 or 6 and the pole ratio of the average amount of the ethylene groups bonded to acetyl groups is 8-30 moles% of the total amount of the main chain ethylene groups, and at least one layer (B) which comprises a plasticizes and polyvinyl acetal resin for which the number of carbon atoms in the acetal group is 3 or 4 and the mole ratio of the amount of the average ethylene groups bonded to acetyl groups is 4 moles% or less of the total amount of the main chain ethylene groups.
Patent CA-2095341-C (CA)
Title: Improved fatty acid-based herbicidal composition
Inventor: MASON WENDA
IPC: A01N57/02
Filed: 1991-10-29
Granted: 1999-08-10
Abstract: Disclosed is a herbicidal composition which combines two known active ingredients at concentrations of the individual active ingredients below the level generally necessary for the individual ingredients to exhibit herbicidal activity. The herbicidal activity of the disclosed composition is greater than that of either of the individual active ingredients used alone. One of the active ingredients is a fatty acid based composition selected from caprylic acid, pelargonic acid, capric acid, undecanoic acid, 10-undecenoic acid, lauric acid, oleic acid, salts thereof and mixtures thereof. In addition, other fatty acid or fatty acid salt mixtures may be used, such as soybean fatty acid or coconut fatty acid. This component is present at a concentration range of about 0.1 to 3.0 percent by weight. The other active ingredient is a glyphosate-based herbicidal active ingredient, e.g., the isopropyl amine salt of N-(phosphonomethyl)glycine, present at about 0.08 to 1.0 percent by weight.
Patent CA-2101572-C (CA)
Title: Benzoxazinones as inhibitors of hiv reverse transcriptase
Inventor: YOUNG STEVEN D
IPC: A61P37/04
Filed: 1993-07-29
Granted: 2001-08-28
Abstract: Certain benzoxazinones of the general formula I are useful in the inhibition of HIV reverse transcriptase (including its resistant varieties), the prevention or treatment of infection by HIV and the treatment of AIDS, either as compounds, pharmaceutically acceptable salts, pharmaceutical composition ingredients, whether or not in combination with other antivirals, immunomodulators, antibiotics or vaccines. Methods of treating AIDS and methods of preventing or treating infection by HIV are also described.        FORMULA I
Patent CA-2102156-C (CA)
Inventor: HUANG XIAOYAN
IPC: B29C48/10
Filed: 1993-11-01
Granted: 2003-09-16
Abstract: This invention provides spiral-wound hollow fiber membrane fabric-containing cartridges and modules for separations and other phase contact applications, including tube sheets having improved solvent resistance and mechanical durability which are fabricated by extrusion of thermoplastic resins having particular defined characteristics, and methods for making the same.
Patent CA-2102165-C (CA)
Inventor: WANG DUAN-FAN
IPC: C08F2/00
Filed: 1993-11-01
Granted: 1997-02-04
Abstract: A process for removing unpolymerized gaseous monomers from a solid olefin polymer containing said gaseous monomers by feeding an inert purge gas through a vessel containing constraint means which defines the upper limit of an expandable bed in the vessel and countercurrently contacting the solid polymer under expanded bed conditions.
Patent CA-2105865-C (CA)
Title: Apparatus for supplying ink to printing machine
Inventor: IZUME MASAYUKI
IPC: B41F31/30
Filed: 1993-01-08
Granted: 2004-04-27
Abstract: An apparatus for supplying ink to a printing machine comprising an ink fountain roller and an ink distributing roller supported by a frame so as to be parallel to each other, and a plurality of vibrating rollers divided axially of the rollers and disposed therebetween as arranged at a spacing axially thereof, each of the vibrating rollers being individually positionable alternatively at one of two positions between the rollers so as to be changeable in the state of contact with thereof with the ink fountain roller and the ink distributing roller. A fixed shaft fixed to the frame extends through the interiors of the plurality of tubular vibrating rollers with a predetermined clearance therebetween in the radial direction. A permanent magnet is provided at an inner peripheral portion of each vibrating roller. A magnetic device including an electromagnet is provided on an outer peripheral portion of the fixed shaft inside the vibrating roller. Each vibrating roller is individually shiftable to one of two positions in the state where the permanent magnet of the vibrating roller and the magnetic device of the fixed shaft are opposed to each other with a predetermined clearance therebetween in the radial direction by a change-over of the state of current supply to the electromagnet of each magnetic device.
Patent CA-2107031-C (CA)
Inventor: FRIES HJALMAR
IPC: G01M3/16
Filed: 1993-09-27
Granted: 1997-03-25
Abstract: One end of a dual-ended housing is closed off by a plug formed of a water-soluble material which is admixed with a con-stituent which forms a readily-frangible structure in the plug.  An electrical switch which has an actuating plunger is set, in the housing against the plug, so that the latter holds the plunger depressed/retracted. Moisture expands the material which, in turn, destroys the structure and, subsequently, the plug is so weakened  that the plunger breaks through to actuate the switch.
Patent CA-2109282-C (CA)
Title: Thermally insulated distributed light network from a central light source
Inventor: HSU TSUNG-YUAN
IPC: G02B6/32
Filed: 1993-10-26
Granted: 1997-05-27
Abstract: A thermally insulated distributed light network em-ploys an array of discrete,  thermally insulative light guides (4) that are spaced slightly away from a central light source (6) and provide optical coupling to optical fibers  (10)  that have a lower thermal capability.   The light guides can either be solid such as quartz, focusing lenses (24), or a combination of the two.  The light re-ceiving ends of the light guides are preferably held by a specially designed coupler (2) so that the guides do not diverge from each other by more than the fibers' optical acceptance angle.   The light guides are shaped so that their adjacent edges (22b,22c,22d) touch and form an enclo-sure around the light source, and the fibers are provided in bundles (14) with matching geometries.  The network in-cludes an edge-lit display panel (30) that is illuminated by a fiber (10) that has either internal light scattering centers (38)  in the form of reflective particles or gas bubbles,  or a series of edge notches  (36),  to redirect light into the panel.
Patent CA-2109372-C (CA)
Title: Application and release magnet valve
Inventor: KAZAKIS MICHAEL V
IPC: B60T15/04
Filed: 1993-10-27
Granted: 1998-08-04
Abstract: An application and release magnet valve including an electropneumatic pilot valve portion for controlling a main air valve portion for supplying, maintaining, and releasing air pressure in the brake cylinders on a railway vehicle.  The electropneumatic pilot valve portion includes an application solenoid which opens a first diaphragm actuated ball check valve in the main air valve portion to supply air from a supply port to a delivery port and includes a release solenoid which opens a second diaphragm actuated ball check valve to vent air from the delivery port to an exhaust port.
Patent CA-2121938-C (CA)
Title: Making a tire with a precisely located label or printing
Inventor: LIPOVAC JOSEPH EDWARD
IPC: B32B25/08
Filed: 1994-04-22
Granted: 2004-03-16
Abstract: A cured tire having an integral adhered applique both cured in the same cure step in a mold to form spaced apart scuff resistant ribs under the applique on the sidewall of the tire, said applique a thin gauge compatible rubber backing adhered to said sidewall, a stable rubberized ink design adhered to said backing and covered with a removable film before and at the time of removal of the tire from the mold.
Patent CA-2122069-C (CA)
Title: Process for refining oil and fat
Inventor: YAGI TAKASHI
IPC: C11B3/02
Filed: 1994-04-25
Granted: 2004-05-25
Abstract: This invention provides processes for the refining of oil and fat by which phospholipide in the oil and fat to be treated can be decomposed and removed efficiently.      Particularly, it provides a process for the refining of oil and fat which comprises reacting, in an emulsion, the oil and fat with an enzyme having an activity to decompose glycerol-fatty acid ester bonds in glycerophospholipids (e. g., pancreas-derived phospholipase A2); and another process in which the enzyme-treated oil and fat is washed with water or an acidic aqueous solution. Preferably, the acidic aqueous solution to be used in the washing step is a solution of at least one acid selected from the group consisting of citric acid, acetic acid, phosphoric acid and salts thereof. Also, it is preferred that the emulsified condition is formed using 30 weight parts or more of water per 100 weight parts of the oil and fat.      Since oil and fat can be purified without employing the conventional alkali refining step, generation of washing waste water and industrial waste can be reduced. In addition, the recovery yield of oil is improved because loss of neutral oil and fist due to their inclusion in these wastes does not occur in the inventive process.
Patent CA-2123393-C (CA)
Inventor: BAUER RICHARD
IPC: B64C3/18
Filed: 1994-05-11
Granted: 2000-12-12
Abstract: An aerodynamic structure having an aerodynamic surface for an aircraft, has at least two spars, several ribs made up of rib elements, and two shells made up of a plurality of shell elements. The ribs extend in the direction of the profile depth of the structure and the longitudinal extension of the spars and shells corresponds approximately to the span width of the structure. The shells and ribs are subdivided in the direction of the profile depth with an approximately equal division, to form at least two structural components open along one length side and closed by a spar along the opposite length side. Each component has two shell elements and several rib elements, and one spar, wherein with the help of the open sides and shoulders along the sides closed by the respective spar, one structural component can be so nested within the other structural component that a following structural component fits partly into a preceding structural component. Thus, rivet connections can be made even if the structure is thin and has a large profile depth.
Patent CA-2134739-C (CA)
Title: Methode et dispositif pour le rangement d'un casse-tete
Inventor: RICHER JACQUES
IPC: A63F9/10
Filed: 1994-10-31
Granted: 1998-01-06
Abstract: Étoffe, comme du feutre, sur laquelle un contour rectangulaire est tracé.  On assemble, partiellement ou complètement, un casse-tête à l'intérieur de ce contour.  Lorsqu'on désire ranger le casse-tête, le feutre et le casse-tête sont enroulés ensemble sur un tube qui, normalement, contenait le feutre au départ.  Une fois enroulé, le feutre est fixé à l'aide de bandes, et le tout est rangé à l'endroit choisi.
Patent CA-2148176-C (CA)
Title: Rotary valve actuator
Inventor: RABBY GLEN IRVIN
IPC: F16K31/143
Filed: 1995-04-28
Granted: 2002-12-24
Abstract: A rotary valve actuator for actuating a valve that must be rotated between an open position and a closed position.  The valve is disposed in a tubular valve housing having an exterior surface with at least one actuating member receiving aperture. The rotary valve actuator includes a substantially annular body having an interior surface, an exterior surface and a central axis.  A male actuator member is rotatably mounted within the body.  The male actuator member has a valve coupling end that projects perpendicularly from the interior surface of the body, such  that  it  can be  inserted  into the  actuating member receiving aperture of the tubular valve housing.  A hydraulic chamber is positioned in the body having a first inlet and a second inlet.  A fluid responsive member is positioned in the one hydraulic chamber between the first inlet and the second inlet.  Hydraulic fluid is selectively supplied to the first inlet, such that the flow of hydraulic fluid through the first inlet into the hydraulic chamber causes the fluid responsive member to move in a first direction.   Hydraulic fluid is selectively supplied to the second inlet, such that the flow of hydraulic fluid through the second inlet into the hydraulic chamber causes the fluid responsive member to move in a second direction.   The movement of the fluid responsive member is translated into rotary movement of the male actuator member.
Patent CA-2149089-C (CA)
Inventor: WADENSTEN THEODORE S
IPC: E01C19/38
Filed: 1995-05-10
Granted: 1999-08-17
Abstract: A  reversible  self-propelled  plate  compactor  which includes  at  least  one motor driven vibrator assembly,  a housing for each vibrator assembly is mounted to one end of an arm, an opposite end of the arm is attached to a tamper plate by a flex mounting means, the forces generated by the vibrator assembly are directed to the tamper plate only by way of its associated arm and the flex mounting means, the direction of the self-propelled travel being irrespective of the  direction of  rotation  of  the  shaft  of  the  vibrator assembly.
Patent CA-2153132-C (CA)
Title: Zro2-containing glass-ceramic
Inventor: FRANK MARTIN
IPC: A61K6/838
Filed: 1995-06-30
Granted: 2000-01-25
Abstract: A  ZrO2-containing  glass  ceramic  is  described,  the  main crystalline phas of which is formed by ZrO2 and which has at least one further crystalline phase, and which can be used in particular in dentestry.   The glass ceramic compises the following components:       Component                % by wt.     SiO2                42.5     to  58.5 Al2O3                0       to   7.0 La2O3                0       to   9.5 Li2O                 7.0     to  14.5 Na2O                 0       to   7.5 K2O                  0       to  13.5 P2O5               4.0     to  13.5 ZrO2                15.0     to  28.0 TiO2           0       to   6.0 F                    0       to   2.0 BaO       0       to   6.5 CaO                  0       to   6.0 B2O3   0       to   3.3 CeO2                 0       to   3.0 and further comprising a ZrO2 crystalline phase and at least one additional crystalline phase.
Patent CA-2153979-C (CA)
Title: Compounds having both potent calcium antagonist and antioxidant activity and use thereof as cytoprotective agents
Inventor: HELLBERG MARK
IPC: A61K31/403
Filed: 1994-12-07
Granted: 2003-10-21
Abstract: Compounds having both calcium antagonist and antioxidant activity are disclosed. The compounds are useful in preventing or alleviating damage to tissues at the cellular level. Methods of treatment which employ these properties of the compounds and corresponding pharmaceutical compositions are also disclosed. The invention relates to a compound of the formula: A~Y~B wherein: A is an antioxidant selected from: <IMGS> wherein R is C1 to C6 alkyl, Y is (CH2)n or CH=CH(CH2)n, wherein n is a whole number of from 1 to 6; and B is selected from: <IMGS> <IMGS> wherein: n' is a whole number of from 1 to 6; Z is H, CN or OH; X is F, Cl, I, Br, OH, OR', SH, S(O)m R', CN or NO2, wherein R' is C1 to C6 alkyl and m is 0, 1 or 2; and o is 0, 1, 2 or 3, or a pharmaceutically acceptable salt thereof.
Patent CA-2162469-C (CA)
Inventor: BROWN ANTHONY KEVIN DALE
IPC: H03B5/20
Filed: 1994-05-04
Granted: 1999-06-29
Abstract: A gyrator based resonator comprises first and second differential amplifiers cross coupled to form a quadrature phase voltage controlled oscillator. The differential amplifier circuits include matched transistor pairs and associated transconductance adjusting components to control the resonant frequency of the resonator. Transconductance delay and admittance loss elements are also provided and these elements serve to control the loop gain of the resonator. A loop gain greater than unity results in the resonator oscillating while a loop gain less than unity produces a bandpass filter. A resonator having gain less than unity may be slaved to a similar resonator having gain adjusted to be greater than unity thus creating a low noise oscillator and tracking filter.
Patent CA-2163580-C (CA)
Title: Synchronous memory device
Inventor: AKIOKA TAKASHI
IPC: G11C7/06
Filed: 1995-11-23
Granted: 1999-01-05
Abstract: A synchronous memory device the cycle time of which is shorter than conventional memory devices.  By providing an output latch in a sense amplifier on a bit line, the time period from input of a clock signal to latch of a datum in the output latch is shortened.  In case of plural bit lines, a selector for selecting data in plural output latches and a latch for latching a sense amplifier selection are provided.
Patent CA-2165962-C (CA)
Title: Method and apparatus for reducing power consumption in cellular telephones by adaptively determining the reliability of the reception of a received message block
Inventor: PEPONIDES GEORGE M
IPC: H04B1/16
Filed: 1994-06-28
Granted: 2005-12-27
Abstract: A method for reducing power consumption in a cellular telephone that receives multiple copies of a message comprises the steps of receiving a copy of a message block having a plurality of data bits (30); generating soft output signals representative of all data bits in the message block (32); computing a block quality metric indicative of the reliability of the message block (36); comparing the block quality metric with a first threshold (38); if the block quality metric bears a predetermined relation to the first threshold, combining the current message block with a previously accepted message block to obtain a combined message block (42); determining the number of erasures in the combined message block (43); comparing the number of erasures with a second threshold (44) and if below the theshold, decoding the combined message block to determine the number of errors (52), comparing the number of errors with a third threshold (54) and if below the third threshold, accepting the combined message block (56); and generating timing signals instructing the receiving device to interrupt reception of further copies of the current message block for a specified time (58).
Patent CA-2166503-C (CA)
Inventor: WIECZERNIAK WALTER J
IPC: C25D3/56
Filed: 1996-01-03
Granted: 2000-03-14
Abstract: A brightening agent for use in tungsten alloy electroplating baths to replace hexavalent chromium plating or other hard lubrous coatings.  Baths of the present  invention  comprise  an  effective  amount  of tungsten ions;  an effective amount of a metal  ion compatible  with  tungsten;  one  or  more  complexing agents;  and an effective amount of a bath soluble alkoxylated hydroxy alkyne for providing brightening of a tungsten alloy electroplate.
Patent CA-2172365-C (CA)
Title: Automatic gain control circuitry for hearing aids
Inventor: LUDVIGSEN CARL
IPC: H04R25/00
Filed: 1994-08-02
Granted: 1999-05-25
Abstract: The invention relates to a circuit arrangement for a preferably programmable hearing aid with at least one microphone, at least one electronic signal processing circuit (3), with at least one channel and one output transducer (7), in which the electronic signal processing circuit (3) contains a control circuit for continuous determination or calculation of a percentile value or several percentile values of the input signal from a continuous analysis and evaluation of the frequency and/or amplitude distribution of the input signal, whereby these percentile values serve either directly or indirectly as control signals for controlling the gain and/or frequency response of the electronic signal processing circuit, whereby these percentile values serve directly or indirectly as control signals for closed-loop control of the gain and/or frequency response of the electronic signal processing circuit, whereby at least one percentile estimator (10) is connected on the input side, said percentile estimator consisting of an integrator (11) and a first control stage (12) for up-counting connected with said integrator and a second control stage (13) for down-counting connected with said integrator and of a comparator stage (14) with at least two inputs, whereby the input of the circuit is connected directly or indirectly with one input of the comparator stage (14), a second input of the comparator stage being connected with the output of the integrator (11) and directly or indirectly with the signal processing circuit (3) via a combination and control logic (15) and via at least one control line, the two outputs of the comparator stage (14) being connected with the control stage (12) or control stage (13).