baber/WOPTO huggingface dataset:
Patent CA-2013296-A1 (CA)
IPC: G06F1/30
Filed: 1990-03-29
Abstract: In  a  memory  drive  device  comprising  a semiconductor  memory,  a  memory  control  circuit  for controlling  the  operation of  the memory,  the  control circuit  including  a  reset  terminal  and  operative  to initialize the internal status when a reset signal of a predetermined level is applied to the reset terminal, and a main power supply for delivering a power to the memory and  to  the memory  control  circuit,  the  memory  drive device comprises a comparator  circuit  for  comparing a power feed voltage from the main power  supply with a predetermined threshold voltage and for detecting that the power feed reaches predetermined voltage to output a detection signal,  and a reset circuit responsive to a detection signal from the comparator circuit to generate a reset signal of a predetermined logic level for at least a predetermined time period to apply a reset signal to the reset terminal.  At the time when the main power supply  is  turned  on,  or  at  the  time  of  recovery of service interruption, for at least a predetermined time period from the time when the output level of the main power  supply  has  a  predetermined  threshold  voltage irrespective of a rise speed of the main power supply voltage, a reset signal of a predetermined logic level is applied to the memory control circuit.
Patent CA-2014592-A1 (CA)
Inventor: DONAHUE RAYMOND J
IPC: C22C21/02
Filed: 1990-04-12
Abstract: A hypereutectic aluminum silicon alloy having an improved distribution of primary silicon in the microstructure.  The alloy is composed by weight of 20% to 30% silicon, 0.4% to 1.6% magnesium, up to 1.4% iron, up to 0.3% manganese, 0.25% copper maximum and the balance aluminum.  With this composition the aluminum silicon alloy system exhibits near zero shrinkage on solidification, a similarity of the liquid aluminum-silicon alloy and the primary silicon during the early stages of primary silicon precipitation, and thereby minimizes floatation of the precipitated primary silicon and to provide a more uniform distribution of the primary silicon in the microstructure and increase the wear resistant characteristics of the alloy.
Patent CA-2015873-A1 (CA)
Inventor: PREMECZ JOSEPH
IPC: B62B3/06
Filed: 1990-05-01
Abstract: TRAY TRUCK          ABSTRACT OF THE INVENTION         A truck lifts  rows  of stacked trays  from a floor for transport to another location.  The truck has a pair  of  generally parallel  arms that may  slide  into engagement with opposite sides of the lowermost trays in the row of stacked trays.  The arms can then be lifted to raise the row of trays off the floor for transportation purposes.   The arms are dimensioned to extend between adjacent rows of stacked trays and are configured to lift only the row between the arms.
Patent CA-2018789-A1 (CA)
Title: Fabric softening composition
Inventor: MACHIN DAVID
IPC: D06M13/46
Filed: 1990-06-12
Abstract: ABSTRACT      Isotropic liquid fabric softening composition comprising:            (i)  at least 20% by weight of a fabric softening material; and (ii) at least 5% by weight of an organic acid preferably the composition has a clear appearance.
Patent CA-2019005-A1 (CA)
Title: Antiherpes pentapeptide derivatives having a cycloalkyl substituted aspartic acid side chain
Inventor: DEZIEL ROBERT
IPC: A61K38/08
Filed: 1990-06-14
Abstract: Disclosed herein are pentapeptide derivatives of the formula X-NR1-CH(R2)-C(W1)-NH-CR3(R4)-C(W2)-NR5-CH[CH2C(O)-Y]-C(W3)-NH-CR6-[CR7(R8)-COOH]-C(W4)-NH-CR9(R10-Z wherein X is a terminal group, for example, alkanoyl or phenylalkanoyl radicals, R1 is hydrogen, alkyl or phenylalkyl, R2, R4 and R10 are selected from amino acid or derived amino acid residues, R3, R5, R6 and R9 are hydrogen or alkyl, R7 and R8 are joined to form a cycloalkyl, W1, W2, W3 and W4 are oxo or thioxo, Y is, for example, an alkoxy or a mono or disubstituted amino, and Z is a terminal group, for example, COOH or CH2OH. The derivatives are useful for treating herpes infections.
Patent CA-2019507-A1 (CA)
Title: Point feeder for aluminium electrolysis cells
Inventor: DALEN KJELL M
IPC: C25C3/14
Filed: 1990-06-21
Abstract: Abstract With a feeder for feeding additives such as aluminium oxide or fluoride to aluminium electrolysis cells, the additives are fed to the electrolytic bath of the cell through a hole in the bath crust via a pipe stub (28). The hole is made by means of a crust breaker consisting of a crow bar connected to a piston/cylinder device. The point feeder is made of a housing comprising an upper, against the surroundings wholly or partly open part (3,4) and a lower towards the crust and other parts of the surroundings closed part (5). The crow bar extends down through a guide in the form of a bushing (17) which is provided between the upper and lower part. Further, the pipe (28) is attached to the lower part (5), or is pro-vided under the lower part (5), for instance on the gas apron of the anode casing in a Soederberg cell.
Patent CA-2021734-A1 (CA)
Title: Procede et installation pour le traitement de futs contenant des dechets
Inventor: BIROS JEAN-LOUIS
IPC: B30B9/32
Filed: 1990-07-23
Abstract: L'invention concerne un procédé et une installation pour le traitement de fats contenant des déchets liquides.       Le procédé est caractérisé par le fait que l'on perce et comprime les fûts à traiter en une seule opération, que l'on récupère les fûts comprimés en vue de leur recyclage, et que l'on recueille les déchets liquides qu'ils contenaient.      Application au traitement des déchets en fûts.
Patent CA-2024161-A1 (CA)
Title: Toner for developing statically charged images and process for preparation thereof
Inventor: OTA HIDEKI
IPC: G03G9/08
Filed: 1990-08-28
Abstract: Abstract of the Disclosure A toner for developing statically charged images, comprising a binder resin, a colorant and a charge-controlling dye and a process for the preparation of this toner are disclosed.  This toner consisting of particles composed of these components have a circularity of from 0.95 to 1.0, and the concentration of the dye on the surfaces of the toner particles is from 1.0 x 10-3 to 4 x 10-3 g/g.  By dint of these characteristic features, the stability of the frictional chargeability characteristics of the toner is increased, and the contamination of a carrier, a developing device or the like with the dye can be prevented.
Patent CA-2026250-A1 (CA)
Title: Detection and quantification of neu related proteins in the biological fluids of humans
Inventor: CARNEY WALTER P
IPC: C07K16/32
Filed: 1990-09-26
Abstract: The invention relates to a substantially purified p100 which is a human neu related protein having a molecular weight in the range from about 97,000 daltons to about 115,000 daltons which corresponds substantially to the extracellular domain of the human neu gene product, said protein being detectable in a biological fluid.      In another embodiment this invention relates to assays for detecting this protein.      Finally, this invention also concerns monoclonal antibodies which are capable of binding to p100.
Patent CA-2027468-A1 (CA)
IPC: A47H23/04
Filed: 1990-10-12
Abstract: A new method and apparatus for the installation of sector-shaped curtains on correspondingly shaped windows requires the provision of a piece of curtain material of suitable length and width; sheer tape is attached to the top edge and the piece is gathered using the tape to the length of the curved circumferential portion of the window.  One part of a two part hook-and-loop fastening is attached to the curved portion of the window while the other is sewn to the gathered curtain top edge and the curtain is then attached using thus fastening.  A securing member having two protruding side-by-side impaling spikes is attached to the middle of the straight circumferential window casing portion and the curtain is then impaled while under tension on the two spikes, one half on each.  The curtain is usually completed by impaling a decorative finial on a third spike disposed between the two on which the curtain is impaled so as to cover the bunched curtain material at this point.
Patent CA-2030448-A1 (CA)
Inventor: KUHRTS ERIC H
IPC: A61K9/08
Filed: 1990-11-21
Abstract: ABSTRACT OF THE DISCLOSURE A  readily-dispersible  physiologically-effective fiber drink mix containing granules which are a blend of a mineral  salt which releases a physiolocigally-acceptable gas upon ingestion,  a physiologically-acceptable edible acid,  and a gel-forming dietary fiber, and which granules are coated with a gel-forming dietary fiber, starch, or protein, are disclosed.  The resulting granules can be mixed into water or juice for ingestion.   They readily disperse  into  solution and do not immediately gel up and solidify, but become activated when they reach the acid environment of the stomach and dissolve,  at which time the internally-contained acid and mineral salt cooperate to mechanic-ally disperse the fiber in a slow and prolonged manner as it hydrates, the gas released by the mineral salt and the organic acid assisting in slow disintegration of the granules.  An orally-ingestible pharmaceutically-active compound, e.g., a drug, such as niacin, may also be incorporated into the granules, thereby providing a readily-dispersible drink mix of the pharmaceutically-active compound and, in the case of niacin, providing a method and a product for effectively lowering serum cholesterol without usual niacin side effects such as flushing, itching, and the like.
Patent CA-2032168-A1 (CA)
Inventor: LISKA JEAN-LOUIS
IPC: H01M50/489
Filed: 1990-05-15
Abstract: A reduced maintenance nickel-cadmium accumulator with a positive electrode assembly, a negative electrode assembly of which the active mass is consolidated by a polymer and separators consisting of at least one felt of a material selected from the group which consists of polyamide, polypropylene, polyethylene, alone or in a mixture, and without a complementary membrane; the distance between electrodes is of between 0.2 mm and 0.5 mm, the internal pressure is maintained between 0 and 0.7 bars, and said accumulator contains free electrolyte, in order to display, within the temperature range -30 DEG C to +60 DEG C, with a charge of a constant voltage, a charge characteristic which, through a sharp voltage rise, make it possible to detect the end of the charge.
Patent CA-2035155-A1 (CA)
Title: Pharmaceutical composition for the targeted controlled release of an active principle within the intestine, and particularly within the colon
Inventor: CALANCHI MASSIMO MARIA
IPC: A61K9/54
Filed: 1991-01-29
Abstract: "PHARMACEUTICAL COMPOSITION FOR THE TARGETED CONTROLLED RELEASE OF AN ACTIVE PRINCIPLE WITHIN THE INTESTINE, AND PARTICULARLY WITHIN THE COLON."                                ABSTRACT          The invention provides pharmaceutical compositions with the property of targeted controlled release of active principles which act pharmacologically within the intestine and in particular within the colon and the terminal portion of the ileum.          To attain this object the active principle is prepared in multiparticle multidose form and is covered with at least two membranes, one of pH-dependent solubility and the other insoluble but permeable to the intestinal fluids.          While the covered active principle remains in the stomach and in the initial intestinal portion, ie while the pH is less than 5.5, it is not released.          Only when it reaches an environment of higher pH (small intestine or colon) does the pH-dependent membrane dissolve to commence release of the active principle.          From this moment the second membrane, which is pH-independent but impermeable to the intestinal fluids, acts to slow down and control the dissolution of the medicament within the small intestine-colon tract.
Patent CA-2035868-A1 (CA)
Title: Hybrid molecules
Inventor: SVRLUGA RICHARD C
IPC: C07K16/00
Filed: 1990-07-06
Abstract: Abstract of the Disclosure A hybrid molecule containing a hematopoietin receptor superfamily cytokine (or a fragment or analog thereof capable of binding to the high-affinity receptor for such cytokine) covalently bonded, at its amino terminal end, to a chemical entity which causes the hybrid molecule to be processed via a lower affinity receptor for such cytokine to a degree less than the degree of processing of the cytokine by the lower affinity receptor, provided that the chemical entity cannot be a fragment of diptheria toxin which includes the translocation domain of that toxin.
Patent CA-2035880-A1 (CA)
Title: Process for reducing the cyanide content of a solution
Inventor: COSTELLO CHARLES M
IPC: C02F9/00
Filed: 1990-07-05
Abstract: ABSTRACT OF THE DISCLOSURE             A process for treatment of waste aqueous process streams from industrial processes containing both cyanide ions and dissolved ammonia to reduce the cyanide content, comprising the consecutive steps:  (a) adding a halogenating agent to the solution while maintaining the pH of the solution at greater than 7;  (b) removing ammonia from the solution by aeration;  (c) acidifying the solution to a pH of less than 7; (d) substantially neutralising the solution; and (e) removing the ammonia from the solution by aeration.
Patent CA-2036188-A1 (CA)
Inventor: ANDERSON RICHARD N
IPC: B29C69/00
Filed: 1991-02-12
Abstract: A method and apparatus for forming expandable and collapsible shielding material wherein adhesive is applied to one side of a flat tubular strip 10 which is wound around support rolls 24,26, the adhesive bonds together successive layers of strip to form a continuous loop 22 of stacked strip.  During the winding of the strip, the strip is maintained in a flat, straight condition for a time sufficient to allow the adhesive to achieve an initial set, thereby preventing the final product from having a curved set.  After the desired number of layers are wound into the loop, the loop is removed and cut through at one point to form a single, straight stacked section of definite length which is expandable and collapsible to form a shielding or insulating material having parallel hollow cells running perpendicular to the direction of expansion and collapse.
Patent CA-2040932-A1 (CA)
Title: Connector
Inventor: MATSUOKA NORIYUKI
IPC: H05K7/10
Filed: 1991-04-22
Abstract: ABSTRACT OF THE DISCLOSURE    A connector including a connector body, a movable plate mounted to the connector body, an operating lever, a contact-ing state and a contact-releasing state being formed by a lateral movement of the movable plate, the connector compris-ing an upper part operating member disposed above the operat-ing lever for movement upward and downward, and a pressure bearing portion formed on one end portion of the operating lever and adapted to carry the upper part operating member, pushing down operation of the upper part operating member causing the pressure bearing portion to be pushed down to move the movable plate in a lateral direction.
Patent CA-2041481-A1 (CA)
Title: Motor road vehicle and energy absorbing buffers therefore
Inventor: MISHI DUAN
IPC: B60R19/20
Filed: 1991-04-30
Abstract: ABSTRACT            MOTOR  ROAD   VEHICLE  AND  ENERGY  ABSORBING  BUFFERS          THEREFOR            A motor road vehicle 10 has a protective  bumper 12 at the front and/or rear and/or the sides of  the vehicle structure 11.  Each bumper is mounted to the structure by buffers 13 designed to be shortened when the bumper is struck during a  collision  involving  the vehicle.          The buffer absorbs energy and converts it into heat by pumping  a  fluid  or  distorting  a  solid.    At the beginning of  the collision,  a sensor 21 in or on the buffer may be arranged to apply the vehicle brakes 29.
Patent CA-2041839-A1 (CA)
Title: Moisture curable polyurethane compositions
Inventor: WYPYCH GEORGE
IPC: C08G18/40
Filed: 1991-05-03
Abstract: The present invention relates to hydrocurable compositions suitable for use as coatings, sealants or caulks. More specifically, the compositions of the present invention contain free-isocyanate, aromatic prepolymer in combination with free-isocyanate aliphatic prepolymer to provide an unexpected improvement in the physio-mechanical properties of the final cured product.
Patent CA-2041914-A1 (CA)
Title: Process for the recovery of sulphate
Inventor: ALFORD RAYMOND E
IPC: C01D5/16
Filed: 1991-05-07
Abstract: Process for separating sulphate from a contaminating chromium component contained in an aqueous liquor by the crystallization of a sulphate compound.  The sulphate may be separated substantially free of chromium component by adjustment of the pH to the range of from about 2.0 to about 6.5, followed by cooling of the liquor to precipitate the sulphate compound from solution which sulphate is subsequently removed.  The process provides an effective method for the separation of sulphate from dichromate, and is particularly useful in the production of chlorate.
Patent CA-2042321-A1 (CA)
Title: Substituted 3-aminosydnone imines, processes for their preparation and their use
Inventor: SCHONAFINGER KARL
IPC: A61K31/54
Filed: 1991-05-10
Abstract: ABSTRACT            Novel substituted 3-aminosydnone imines of the formula I       (I) and their pharmacologically acceptable acid addition salts, in which A denotes the radical -SO-, R1 denotes the radical -COR2 or hydrogen, R2  denotes (C1 to C4)alkyl, (C1 to C4)alkoxy-(C1 to C4)alkyl, (C1 to C4)alkoxy, (C5 to C7)cycloalkyl, phenyl or a phenyl radical which is mono- to trisubstituted by radicals selected from the group consisting of halogen atoms, (C1 to C4) radicals and (C1 to C4)alkoxy radicals and processes for preparing thereof.  The compounds have useful pharmacological properties, such as haemodynamic, thrombocyte function-inhibiting and anti-thrombotic properties and have a longer duration of action than similar compounds known in the prior art.  They also lower the blood pressure as well as the pulmonary artery pressure and the left ventricular end-diastolic pressure, contributing to a relief of the load on the heart without provoking tachycardia at the same time.
Patent CA-2045122-A1 (CA)
Title: Osmotically dependent vesicles
Inventor: WEINER ALAN L
IPC: A61K9/127
Filed: 1990-01-17
Abstract: ABSTRACT            Osmotically derived liposomal vesicles loaded with an active agent are disclosed.  Liposomes, including an entrapped osmotic agent, are con-tacted one or more times with a washing solution which is hypotonic to the entrapped osmotic agent and which contains active agent.  The en-trapped osmotic agent in the liposome and the active agent in the washing solution are each present in concentrations causing the lipo-somes to swell, rupture under osmotic pressure, spill osmotic agent into the washing solution and re-form to encapsulate active agent.
Patent CA-2046213-A1 (CA)
Title: Mixing impellers and impeller systems for mixing and blending liquids and liquid suspensions having a wide range of viscosities
Inventor: WEETMAN RONALD J
IPC: B01F27/91
Filed: 1991-07-04
Abstract: MIXING IMPELLERS AND IMPELLER SYSTEMS FOR   MIXING AND BLENDING LIQUIDS AND LIQUID SUSPENSIONS HAVING A WIDE RANGE OF VISCOSITIES  A B S T R A c T Impellers and impeller systems are described which enable liquids and liquid suspensions to be mixed and blended where the size of the impeller and the viscosity of the liquid may require operation in the turbulent and laminar flow regimes, as well as in the transitional flow regime therebetween.  The impellers have a plurality of fluidfoil blades and have camber and twist.  The geometric pitch or blade angle increases from the tip of the blade towards their axis of rotation in a manner to provide an over pitched condition so that the pitch ratio of the blades at 40% of the blade radius from the axis is greater than the pitch ratio at the tip.  The blades are preferably smoothly tapered and increased in width from the tip towards the axis.  The impeller blades are mounted on a hub connected to a drive shaft.  The blades may decrease in width where they connect to the hub.  The pitch angle at the tip is in the range of 18° to 30° (preferably about 20°).  The angle at the tip of two diametrically disposed blades of a four blade impeller may have a different blade angle at the tip than the other pair of blades.  A pair of impellers may be used. These impellers may be of different diameter and disposed in close proximity so that they are in dependent relationship (preferably spaced apart by less than the diameter of the larger impeller).  The impellers and impeller systems provide axial flow over a large range of viscosities of the liquid or liquid suspension being mixed or blended, minimizing radial flow patterns and reducing the time required for blending while maintaining efficiency of operation.
Patent CA-2048093-A1 (CA)
Inventor: CILLIERE FRANCOIS
IPC: B60N2/20
Filed: 1991-07-29
Abstract: Elastic return device for a seat backrest, particularly for a vehicle, in which there is arranged, between the movable flange of the hinge and the fixed flange of the same hinge, a link (21) pivoting about a pin (22) joined to the flange of the sitting portion, which link is connected by a small helical spring (20) to the movable flange of the backrest in such a way that, when the backrest is lowered onto the sitting portion, the spring (20) is relaxed, whereas the spring is normally under tension when the backrest is occupying an intermediate position and is under sufficient tension when the backrest is placed in the extension of the sitting portion to form a couch, this spring (20) then occupying a position such that, in the couch position, it is powerful enough to raise the backrest of the seat, and that because of its points of attachment use is made of a small spring with little extension but having a very great tensile force. 
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Patent CA-2049093-A1 (CA)
Inventor: GRANGER JACQUES
IPC: B32B15/20
Filed: 1991-08-13
Abstract: Capsule de surbouchage comportant au moins une couche d'aluminium et une couche de matière plastique de faible dureté. Cette capsule présente des caractéristiques d'utilistion très voisines de celles de la capsule conventionnelle en plomb plaqué d'étain et peut se substituer à celle-ci.
Patent CA-2052774-A1 (CA)
Title: Air/fuel ratio control with adaptive learning of purged fuel vapors
Inventor: HAMBURG DOUGLAS R
IPC: F02M25/08
Filed: 1991-10-04
Abstract: ABSTRACT OF THE DISCLOSURE        A system and method for controlling operation of an engine wherein a fuel vapor recovery system is coupled between an air/fuel intake and a fuel supply system.  An air/fuel ratio indication is provided by a proportional plus integral feedback controller coupled to a two-state exhaust gas oxygen sensor.  In response to the air/fuel ratio indication and a measurement of inducted air flow, a base fuel command is generated.  To compensate for purging of fuel vapors, a reference air/fuel ratio is subtracted from the air/fuel ratio indication and the resulting error signal generated.  This compensation factor represents a learned value which is directly related to fuel vapor concentration, and it is subtracted from the base fuel command to correct for induction of fuel vapors.