baber/WOPTO huggingface dataset:
Patent BG-51917-A1 (BG)
Title: Device for black-and-white picture control
Inventor: MAZURIK BORIS I
IPC: H04N9/64
Filed: 1985-01-10
Abstract: The device finds application in television engineering. It has high precision of the dimly contrasting pictures. It contains a source (1) of the digital signal, a block (2) of digital comparators, a threshold storage block (3), a coder (4), a block (5) for coding and a block (6) of digital-to-analogue converters, a colour video monitor unit (7), a digital sign generator (8), a generator (9) of shift pulses, a first and a second commutators (10) nd 11), an interthreshold interval former (12), a former of the value of the first threshold (13), a first and a second OR circuits (14 and 15), a clock pulse generator (16), a former (17) of thresholds recording pulses, a thresholds former (18) and a former (19) of the addresses of the thresholds.
Patent WO-03062712-A1 (WO)
Title: Extracteur de poussiere
Inventor: MARSHALL GLENN GORDON
IPC: F24F1/00
Filed: 2003-01-21
Abstract: Ensemble extracteur de poussière possédant une pluralité d'enceintes individuelles entourant chacune une zone de travail respective parmi des zones de travail dont il est nécessaire d'enlever la poussière. Une enceinte commune est située autour desdites enceintes individuelles et un générateur de pression négative sert à générer une pression négative à l'intérieur de l'enceinte commune. Un passage associé à chacune des enceintes individuelles conduit exclusivement à l'intérieur de l'enceinte commune sans communiquer avec des passages provenant d'autres enceintes individuelles.
Patent CA-2002148-A1 (CA)
Title: A process for the homo- or copolymerization of alpha-olefin, and a catalyst system used in the process
Inventor: AHVENAINEN ANTERO
IPC: C08F10/00
Filed: 1989-11-03
Abstract: The polymerization of certain alpha-olefins in a gas phase involves the problem of agglomeration of the product into particles disadvantageous from the viewpoint of its handling.      In the present invention this problem has been solved by means of a new type of process for the homo- or copolymerization of alpha-olefins. In the process the catalyst system is pretreated by contacting and reacting a transition-metal compound which is solid or on a solid carrier with an organoaluminum compound, and possibly an electron donor, in a liquid medium, and by drying the thus formed reaction product to produce a solid catalyst system. The thus pretreated solid and active catalyst system is then fed together with an alpha-olefin in the gaseous state into a gas-phase reactor, and polymerization is carried out by contacting them with each other. By feeding a dry and active catalyst system into the gas-phase reactor, it is possible to avoid the agglomeration of the product which occurs in conventional processes in which an organoaluminum compound and possibly an electron donor are fed in a liquid medium into the reactor.
Patent CA-2002384-A1 (CA)
Inventor: TIMPERI JUKKA
IPC: F04D29/22
Filed: 1989-11-07
Abstract: Abstract of the Disclosure A fluidizing centrifugal pump for medium to high consistency fiber suspension includes a housing having an inlet channel and an outlet and an impeller operatively rotatable about the pump axis.   The impeller has a working vane and at least a blade extending  substantially  axially  from the  working vane  and disposed in the inlet channel for fluidizing suspension which is received in the pump inlet.   A feeding vane, preferably in the form of  a  spiral  thread,  is  disposed in the inlet  channel, radially-outwardly from the fluidizing blade and extending along at least a portion of the axial extension of the blade.   The feeding  vane,  which  may  be  operatively  rotatable  with the impeller or stationarily fixed to the pump housing,  provides axially-directed feeding of suspension through the inlet channel toward  the  working  vanes,  concurrent  with  fluidizing  of suspension  in  the  channel  by  the  impeller  blade,  thereby effectively preventing reverse flow of suspension in the inlet channel and correspondingly increasing the operating efficiency of the centrifugal pump.
Patent CA-2002841-A1 (CA)
Title: Use of adhesive mixtures containing gum arabic for gluing the longitudinal seam of cigarette wrappers
Inventor: MARTEN KLAUS
IPC: A24C5/24
Filed: 1989-11-14
Abstract: ABSTRACT OF THE DISCLOSURE      Adhesive mixtures containing, per 100 parts by weight water, 40 to 120 parts gum arabic, 3 to 80 parts by weight water-soluble starch degradation products or carboxymethyl starch  or  gelatinized  starch  and,  optionally,  typical preservatives in aqueous solution and having a Brookfield (RVT) viscosity at 20°C in the range from 1,000 to 15,000 mPa.s, and more especially in the range from 1,700 to 5,000 mPa.s,  for gluing  the  longitudinal  seam  of  cigarette wrappers by machine.
Patent CA-2003163-A1 (CA)
Title: Particulate immobilized lipase preparation, method for production thereof and use thereof
Inventor: PEDERSEN SVEN
IPC: C12N11/14
Filed: 1989-11-16
Abstract: ABSTRACT          PARTICULATE  IMMOBILIZED  LIPASE  PREPARATION,  METHOD  FOR PRODUCTION THEREOF AND USE THEREOF          The macroporous carrier material of the particulate immobilized  lipase  preparation  is  on silica or silicate basis and exhibits a pore diameter which is between 5 and 45 times  the  diameter  of  the  lipase  molecule.  The  lipase preparation is  cheap  and  can  exhibit  a  high  specific activity. It can be produced by contact between the carrier material and an aqueous solution of the lipase. The lipase preparation can be used for interesterification of fats, hydrolysis of fats and synthesis of fats.
Patent CA-2003932-A1 (CA)
Title: Titanium dioxide, a process for its production and its use
Inventor: DE CLEYN RENE
IPC: C01G23/08
Filed: 1989-11-27
Abstract: TITANIUM DIOXIDE, A PROCESS FOR ITS PRODUCTION AND ITS USE                     ABSTRACT OF THE DISCLOSURE         A titanium dioxide composition useful as the opacifier agent for vitreous enamels and fusion enamels comprises TiO2 predominantly in the form of isometric primary particles from 0.5 to 5.0 µm in size, which are aggregated to predominantly spherolithic particles 1 to 100 µm in diameter, with a BET surface of 1 to 4.5m2/g and an apparent density of 0.2 to 1.3 kg/l, is prepared by subjecting titanium dioxide hydrate having a BET surface of from 50 to 500 m2/g to accelerated calcination at temperatures of 800 to 1600°C.
Patent CA-2005410-A1 (CA)
Title: Process for producing a sintered dental prosthesis
Inventor: GROLL WERNER
IPC: A61C13/10
Filed: 1989-12-13
Abstract: ABSTRACT OF THE DISCLOSURE          A dental prosthesis having very high density values, that is sintered from noble metal powder mixtures having a bimodal or multimodal particle size distribution is obtained when the drying and sintering processes are carried out in a specific manner.          For this purpose the dried dental prosthesis produced from a slip is subjected to a thermal treatment for 5 to 45 minutes at temperatures of between 100 and 400°C, whereupon it is heated to 800°C at an average temperature increase of 50 to 300 k per minute and heated to the sintering temperatures with increases of 20 to 200 K per minute.  The sintering temperature lies between (Tsolidus-200) and (Tsolidus-70), Tsolidus being the solidus temperature of the sintered alloy.  The cooling process must be carried out under vacuum or under a protective gas.
Patent CA-2005411-A1 (CA)
IPC: F01N3/28
Filed: 1989-12-13
Abstract: ABSTRACT OF THE DISCLOSURE           A catalytic composite for purifying exhaust gases is disclosed which comprises ceramic fibers, oxidation catalysts supported on the surface of the ceramic fibers and in the interstices between the ceramic fibers, and inorganic binders for binding the oxidation  catalysts  to  the  ceramic  fibers,  the catalytic composite being provided with vent holes for the passage of exhaust gases.  Also disclosed is a method for preparing the catalytic composite.
Patent CA-2005941-A1 (CA)
Title: Method and apparatus using a varying electromagnetic field for determining the nature, or a property of a material
Inventor: MAYO GEOFFREY
IPC: G01N33/02
Filed: 1989-12-19
Abstract: ABSTRACT OF THE DISCLOSURE There is disclosed a method of determining the nature or property of a non-metallic material comprising the steps of generating a time-varying electromagnetic field in a primary coil, providing a sensing coil in the vicinity of the electromagnetic field, introducing the non-magnetic material into field whereby a signal is developed in the sensing coil, and detecting the signal developed in the sensing coil and using it to determine the nature or property of said material, the method being characterised by using a frequency for generating said field which will provide a distinguishable change in the reactive component in the signal induced in the sensing coil due to the presence of said material in said electromagnetic field, obviating any substantial voltage induced in the sensing coil due to said electromagnetic field alone, thereby to improve the sensitivity of the system for detecting said change in the reactive component, determining resistive and reactive components of the signal induced in the sensing coil due to the complex impedance of the material as the material is passed through said field, using said components of the complex impedance to determine the nature or a property of the non-metallic material and a sensing head comprising first coil means for generating a time-varying electromagnetic field, second coil means adjacent said first coil means and in which a voltage is induced due to said field only, said first and second coil means both encompassing a region through which a non-metallic material can be passed, and third coil means adjacent said first coil means but not encompassing said region, said third coil means being dimensioned so that an opposite voltage is induced therein to substantially offset the voltage induced in said second coil means.
Patent CA-2007251-A1 (CA)
Inventor: FINK GERALD R
IPC: C12N1/19
Filed: 1990-01-05
Abstract: SSms 4217s ABSTRACT OF THE INVENTION This invention relates to the production of useful protein products by secretion from yeast cells.  In particular, it relates to the identification of supersecreting mutant yeast cells, isolation of the wild-type gene which complements the mutation, and construction of non-leaky, non-reverting supersecreting strains.
Patent CA-2009264-A1 (CA)
Title: Syringe having graphic visualization features
Inventor: HOWE WESLEY J
IPC: A61M5/31
Filed: 1990-02-05
Abstract: The invention refers to a syringe barrel (20) comprising an elongate body portion (21) having a longitudinal axis (22) and a side wall (23) spaced from said axis (22) defining a chamber (25) for retaining fluid, said body portion (21) having an open proximal end (31) and a distal end (32) having a passageway (33) therethrough in fluid communication with said chamber (25); said side wall (23) including a transparent portion (37) having indicia (35); and said side wall (23) including contrast means opposed from said indicia (35) for improving readability of said indicia (35), said contrast means making said side wall (23) within said contrast means less transparent than said transparent portion (37). Thereby graphics visualization is improved.
Patent CA-2012325-A1 (CA)
Title: Disposable injection syringe
Inventor: MAZURIK SERGEI M
IPC: A61M5/50
Filed: 1990-03-15
Abstract: DISPOSABLE INJECTION SYRINGE                     Abstract of the Disclosure A disposable injection syringe comprises a cylindrical body, which accommodates a piston with a rod. The rod is of a shaped design and is composed of a plurality of cone frus-tums arranged in series along the rod length. A shaped hollow insert is accommodated in the body concentrically to the rod and encompassing the latter, which insert has joints located along the rod axis and is composed of two parts. The inner surface of the insert follows the outer rod surface, while the outer surface of the insert is formed by the surfaces of a plurality of cone frustums. A washer is interposed between the piston and the insert concentrically to the rod, the side face of the washer being bevelled, while a collar is provided on the inner surface of the body nearby the rear face thereof, one of the collar surfaces being bevelled so as to suit the bevelled surface of the washer.
Patent CA-2012690-A1 (CA)
Title: Direct delivery of anti-inflammatories to the proximal small bowel
Inventor: GOSSELIN LEON F
IPC: A61K31/235
Filed: 1990-03-21
Abstract: ABSTRACT OF THE DISCLOSURE:            Transpyloric treatment of small bowel inflammation (eg Crohn's disease) by topical application of anti-inflammatory agents such as 5-ASA, 4-ASA or 3-ASA has hitherto been by oral administration of tablets the accurate targeting of which, in the variable environment of the gut, has been impossible.  Now, by using an enteric feeding tube,  an effective amount of an agent like 5-ASA may be delivered directly to the inflamed segment of the  gastrointestinal tract in patients suffering from inflammatory bowel disease whereby the agent is brought into direct,  topical contact with inflamed mucosa while avoiding prior degradation in the stomach.
Patent CA-2012847-A1 (CA)
Title: Overflow prevention for soft drink dispensers
Inventor: SHANNON JOSEPH W
IPC: B67D1/12
Filed: 1990-03-22
Abstract: A soft drink dispenser is provided with an electrical circuit path defined between the syrup and soda streams and the cup receiving the drink. By interrupting the path and then reestablishing it, the level of the reservoir of beverage within the cup can be instantaneously determined and the volume of beverage to then be dispensed to achieve a full measure of beverage within the cup, without overflow, can ba attained.
Patent CA-2014222-A1 (CA)
Title: A process for removing toxins from protein solutions
Inventor: ROMISCH JURGEN
IPC: C07K14/435
Filed: 1990-04-09
Abstract: A process for removing toxins from solutions of proteins, in which an aqueous solution of a protein which contains a buffer substance, a chelating agent and a detergent is subjected to an ion exchange chromatography, is described.
Patent CA-2015855-A1 (CA)
Title: Binding apparatus
Inventor: LAZAR PETER
IPC: B42C9/00
Filed: 1990-05-01
Abstract: ABSTRACT         A binding apparatus for binding loose sheets into binding covers that are provided at their binding backs with a hot-melt adhesive strip, has a frame and two parallel support walls formed between an input shaft to insert the binding covers filled with sheets.  The frame is bounded below during binding by a heating plate, and the apparatus includes a deposition base to deposit the finished, bound unit consisting of binding cover and sheets.  The heating plate and the deposition base in the frame are displaceably supported in such manner that they can be alternatingly moved into and out of the zone of the input shaft.
Patent CA-2016982-A1 (CA)
Inventor: DEVANEY MARK J JR
IPC: B01L3/00
Filed: 1990-05-17
Abstract: An apparatus for transferring liquid from one chamber to another in successive chambers of a chemical reaction pack comprising a support surface and pressure applicators.  Temperature control elements are also provided to heat and cool the liquid contained within the chemical reaction pack.
Patent CA-2017530-A1 (CA)
Inventor: GAIDIS JAMES M
IPC: C04B41/48
Filed: 1990-05-25
Abstract: Disclosed are compositions and methods of reducing water penetration through civil engineering structures which methods comprise applying to the structures a waterproofing agent pretreatment composition including SBR latex, SBS latex, natural rubber latex, polybutadiene latex, polychloroprene latex, polyvinyl acetate latex, nitrile latex, or combinations thereof, and optionally may include various freezing point depressing agents to enable use of the compositions and methods at or below 25°F. Also disclosed are packages including the latex-containing waterproofing agent pretreatment compositions and waterproofing agents.
Patent CA-2018810-A1 (CA)
Inventor: STANLEY JOHN H
IPC: F16L3/12
Filed: 1990-06-12
Abstract: A hose rotation restrainer which attaches to the inner product hose of a coaxial vapor recovery hose assembly along with the inlet end of a suction tube in the vapor passageway between the inner product hose and the outer hose to prevent rotation of the product hose in order to maintain the end of the suction tube at a low point in the catenary of the hose assembly for removing liquid accumulations.
Patent CA-2019512-A1 (CA)
Inventor: HOLLANDS KEITH G M
IPC: A61M25/02
Filed: 1990-06-21
Abstract: A catheter attachment device comprises a first pad of medical grade adhesive having one surface covered by a removable protective layer, a second surface covered by a plastics film, and, attached to the film, a second pad of medical grade adhesive. A surface of this second pad which faces away from the first pad is covered by a removable protective layer and has a plastics film on its other surface. The two plastics films are attached to each other over a central region substantially smaller in area than the areas of both the first and second pads.
Patent CA-2024588-A1 (CA)
Title: Switching regulator of a simple structure capable of reducing a switching loss
Inventor: KITAJIMA TOKIMUNE
IPC: H02M7/21
Filed: 1990-09-04
Abstract: In a switching regulator which is operable in response to an input a.c. voltage to produce an output d.c. voltage and which comprises a main transformer having primary and secondary windings for primary and secondary circuits, respectively, the primary circuit is formed by a series connection of the primary winding and a switching transistor selectively turned on and off at a high frequency of, for example, several hundreds of kHz while the secondary circuit comprises a series connection of a saturable reactor, a diode, and an output capacitor connected in parallel to a load.  The saturable reactor exhibits high and low impedances when the diode is put into nonconductive and conductive states, respectively, and serves to reduce a switching loss resulting from interception of a voltage and a current.  A frequency control circuit is connected between the output capacitor and the switching transistor to put the transistor into the on-state and the off-state at the high frequency with a time interval of the off-state kept unchanged and with a time interval of the on-state varied.
Patent CA-2025959-A1 (CA)
Title: Process for optically active 2-alkyl-2,5-diazabicyclo[2.2.1]heptanes
Inventor: BRAISH TAMIM F
IPC: C07D207/46
Filed: 1990-09-21
Abstract: 1S,4S and 1R,4R-2-Alkyl-2,5-diazabicyclo[2.2.1]-heptanes useful as intermediates in the synthesis of certain antibacterial quinolones, are prepared respectively, from trans-4-hydroxy-L-proline and trans-4-hydroxy-D-proline via multistep procedures.
Patent CA-2026498-A1 (CA)
Title: Self-renewing multi-element cutting structure for rotary drag bit
Inventor: CERKOVNIK JERRY
IPC: E21B10/56
Filed: 1990-09-28
Abstract: ABSTRACT OF THE INVENTION          The present invention comprises a rotary drill bit including a cutting structure comprising an array of cutting elements oriented and arranged to facilitate concentration of the load on bit on groups of cutting elements until the elements become dulled or worn, at which point fresh cutting elements are exposed to engage the formation and tube the concentrated bit loading.  Preferably, the cutting elements are configured and/or supported to break away from the cutting structure when worn to a certain extent, thereby facilitating exposure of fresh cutting elements to engage the formation.
Patent CA-2027702-A1 (CA)
Title: Pyridone products, preparation process, new intermediates obtained, application as drugs and pharmaceutical compositions containing them
Inventor: CLEMENCE FRANCOIS
IPC: C07D295/125
Filed: 1990-10-16
Abstract: Compounds of the formula (I): <IMAGE>  in which:  - either E and G form <IMAGE> which represents: <IMAGE> in which R represents hydrogen, alkyl, alkenyl or alkynyl, which is optionally substituted, free carboxyl, esterified carboxyl or carboxylic salt, acyl, alkoxy, hydroxy, amino, alkylamino, dialkylamino, acyloxy, cyano, carbamoyl or halogen -- Y represents carbocyclic aryls, heteromonocyclic aryls or condensed heterocyclic aryls which are optionally substituted, <IMAGE> - or E represents -CO2R3, in which R3 represents hydrogen or alkyl and G represents <IMAGE> -- A represents:  - either a carbocyclic radical which is optionally substituted,  - or <IMAGE> where B represents:     - hydrogen,   - aryl or arylalkyl, or   - cycloalkyl, which are optionally substituted, - alkyl, alkenyl, alkynyl or alkyloxy which are optionally substituted, -- R1 and R2 represent hydrogen, alkyl, alkenyl or alkynyl which are optionally substituted, or R1 and R2 form with the nitrogen atom a 5-, 6- or 7-membered heterocycle optionally containing another heteroatom and optionally substituted, their preparation and their use as medicines.
Patent CA-2028140-A1 (CA)
Title: Novel bacteriocin compositions for use as enhanced broad range
Inventor: BLACKBURN PETER
IPC: A01N63/50
Filed: 1990-02-27
Abstract: Broad range bacteriocin compositions are provided. The compositions can be dissolved or suspended in a suitable solvent or matrix and are more active towards a broader range of bacteria than are any of the component parts. The dissolved or suspended compositions constitute enhanced broad range bactericides. The compositions include lysostaphin and a lanthionine containing peptide bacteriocin; lysostaphin, a lanthionine containing peptide bacteriocin and a chelating agent; and lysostaphin, a lanthionine containing peptide, a chelating agent and a surfactant. Each component is present in the enhanced broad range bactericide in sufficient amount such that the bactericide is more effective against staphylococci than is lysostaphin alone and is more effective at treating and preventing a broad range of microbial infections. Methods of treating bacterial infections using said compositions and bactericides are provided.
Patent CA-2028500-A1 (CA)
Title: Environmentally sealed pedestal
Inventor: JAYCOX DONALD F
IPC: G12B9/02
Filed: 1990-10-24
Abstract: A reenterable protective housing for protecting telecommunications equipment from detrimental environmental effects contains a reenterable splice enclosure. The protective housing includes a base portion, a bulkhead member, a dome member selectively attachable to the bulkhead member and a sealing assembly for selectively sealing the dome member to the bulkhead member. The dome is selectively reenterable for access to the contents thereof while maintaining the splice enclosure in a sealed condition. The splice enclosure is selectively engageable with the bulkhead member for providing reenterable access to splice connections retained therein.
Patent CA-2028527-A1 (CA)
Title: Decorative surface covering and method of manufacture
Inventor: BALMER RICHARD H
IPC: B32B3/30
Filed: 1990-10-25
Abstract: A surface  covering product  is  disclosed which includes a layer of fused embossed PVC material on a substrate and a layer of transparent or translucent plastic material substantially covering the fused PVC layer and filling the embossed area of depression in the PVC layer.   The surface covering product is made by applying a plastic, preferably thixotropic, material to the embossed surface of the PVC material and wiping off at least a portion of the material.  In one embodiment, a film of plastic material of substantial or minimal thickness remains on the fused PVC material, preferably substantially covering it.  In another embodiment, the material is completely wiped off the undepressed area of the  fused granular material.   The  PVC material  is preferably a granular material such as a stencil vinyl fine material.