baber/WOPTO huggingface dataset:
Patent CA-2008193-A1 (CA)
Title: Method for lapping two surfaces of a titanium disk
Inventor: SUENAGA HIROYOSHI
IPC: B24B37/28
Filed: 1990-01-19
Abstract: ABSTRACT OF THE DISCLOSURE    A  method  for lapping  two surfaces of a titanium disk comprises inserting loosely a titanium disk  to be lapped into an opening in a disk-type carrier, the carrier rotating and revolving between an  upper surface plate and  a  lower surface plate which are held in parallel with each other and which   applies  lapping   pressure  to  the  titanium  disk, feeding abrasives  into  among  the  surface  plates  and  the titanium  disk   and  satisfying  the  following  relationship between thickenss  t (mm) of the titanium disk and thickness T (mm) of the carrier:   0.025 exp ( t + 1.5) ? T ? 0.9 t
Patent CA-2010797-A1 (CA)
Title: Anti-theft device for motor vehicles
Inventor: LARKIN BRYAN J
IPC: B60R25/00
Filed: 1990-02-23
Abstract: ABSTRACT     An anti-theft device (10) for an automotive vehicle, the device includes an air actuated plunger (35), which moves a pin (37) into engagement with the shaft (32) of a brake pedal (31).  The pin (37) passes through the shaft (32) to retain the shaft (32) in the depressed position thereby maintaining the brakes in an activated state preventing movement of the vehicle.
Patent CA-2010970-A1 (CA)
Title: Catalyst for the selective reduction of nitrogen oxides with ammonia
Inventor: BRAND REINHOLD
IPC: B01J23/22
Filed: 1990-02-27
Abstract: ABSTRACT OF THE DISCLOSURE         In addition to titanium oxide as component A), a catalyst for the selective reduction of nitrogen oxides with ammonia contains at least one oxide of W, Si, B, Al, P, Zr, Ba, Y, La, Ce and at least one oxide of V, Nb, Mo, Fe, Cu as component B), the atomic ratio between the elements of components A) and B) being from 1 : 0.001 to 1.  The catalysts can be obtained by kneading reactive titanium oxide having a high specific surface of, predominantly, anatase with the substances of component B) or precursors thereof with addition of processing aids to form a homogeneous kneaded paste, extruding this paste, drying the extrudate and calcining it in air at 300 to 800°C..
Patent CA-2012040-A1 (CA)
Inventor: CONSTANTINE JOHN C
IPC: H01G4/12
Filed: 1990-03-13
Abstract: ABSTRACT      A sinter control material which is added to silver or palladium silver powders used for internal electrodes within multilayer ceramic capacitors is described.  Iridium and rhodium resinates are disclosed as the additives.
Patent CA-2013454-A1 (CA)
Title: Control method for sheetmaking
Inventor: BALAKRISHNAN RAMESH
IPC: D21G9/00
Filed: 1990-03-30
Abstract: ABSTRACT OF THE DISCLOSURE           A time delay compensation control system for use in controlling a sheetmaking process includes a controller operated according to the Smith Predictor control scheme and means to automatically adjust the closed-loop time constant of the controller in inverse relationship to the system error or to the signal-to-noise ratio of the system output signals.
Patent CA-2014884-A1 (CA)
Title: 5,11-dihydro-6h-pyrido[2,3-b][1,4]benzodiazepin-6-ones and -thiones and their use in the prevention or treatment of aids
Inventor: HARGRAVE KARL D
IPC: C07D471/04
Filed: 1990-04-19
Abstract: Disclosed are novel 5,11-dihydro-6H-pyrido[2,3-b](1,4]benzodiazepin-6-ones and -thiones. These compounds, as well as certain known 5,11-dihydro-6H-pyrido[2,3-b][1,4]benzodiazepin-6-ones are useful in the treatment of AIDS, ARC and related disorders associated with HIV infection.
Patent CA-2015638-A1 (CA)
Title: Catalytic Heater
Inventor: KIRBY ALAN
IPC: F23D14/18
Filed: 1990-04-27
Abstract: In general, catalytic heaters which rely on ambient air for operation are self limiting.  A simple, effective solution to the problem includes a casing with an open front end, a screen on such front end, a catalyst pad in the casing behind the screen, and diffuser pads for receiving a gas/air fuel mixture from a mixer which creates the mixture and introduces the mixture through the rear wall of the casing.          Channels or dikes in the diffuser pads ensure even distribution of the gas/air fuel mixture to the catalyst pad.
Patent CA-2016161-A1 (CA)
Title: Removal of nitrate and/or organic pollutants from effluents
Inventor: VERBUEKEN ARMAND
IPC: C02F1/42
Filed: 1990-05-07
Abstract: Bayer Antwerpen N.V.            Removal of nitrate and/or organic pollutants from effluents A b s t r a c t A continuous process for the removal of at least one of nitrate and organic contaminants from an aqueous effluent, which process comprises subjecting said effluent to extractive liquid ion-exchange with a long-chain alkylamine dissolved in an organic solvent and present in salt form, and reextracting the loaded organic phase with a base, the treated effluent being recycled for reuse.            Le A 26 752
Patent CA-2016908-A1 (CA)
Title: Excitatory amino acid antagonists
Inventor: HARRISON BOYD L
IPC: C07D215/48
Filed: 1990-05-16
Abstract: The present invention is directed to a new class of excitatory amino acid antagonists which act at the NMDA receptor complex. The compounds are represented by the following formulae:
Patent CA-2017325-A1 (CA)
Title: Optical fiber cable having optical fibers with various lengths
IPC: G02B6/44
Filed: 1990-05-23
Abstract: ABSTRACT OF THE DISCLOSURE    An optical fiber cable having a predetermined length includes a plurality of optical fibers, each fiber having first and second ends.  The first ends of the fibers are located coincidental with a first end of the optical fiber cable.  The optical fibers are provided with differing lengths so that the second ends of the optical fibers are disposed at different locations along the length of the optical fiber cable.          Indicia are provided on the cable to indicate the locations of the second ends of the fibers.
Patent CA-2017439-A1 (CA)
Title: Spherical fibrous lump activated carbon and method of producing the same
Inventor: HANATANI SEIJI
IPC: B01J20/20
Filed: 1990-05-24
Abstract: SPHERICAL FIBROUS LUMP ACTIVATED CARBON    AND METHOD OF PRODUCING THE SAME     Abstract of the Disclosure Spherical fibrous lump activated carbon is disclosed, which comprises a three-dimensionally reticulated structure composed of plural fibrous activated carbons and a binder and having a void fraction of 0.35-0.85.  In the production of the spherical fibrous lump activated carbon, a fibrous carbon material is granulated into a spherical fibrous lump with the use of a medium containing a binder and the thus obtained spherical fibrous lump material is dried and, if necessary, infused, carbonized and activated.
Patent CA-2017759-A1 (CA)
Title: Method of welding stainless steel studs
Inventor: REYNOLDS SAMUEL D JR
IPC: B23K35/02
Filed: 1990-05-29
Abstract: W.E. 55,065 Abstract A method of stud welding stainless steel studs to carbon steel or low alloy steel components with formation of a ductile weld therebetween. The chromium equivalent and nickel equivalent of the steel component is determined and a  stainless  steel  stud  provided  that  has  a  chromium equivalent  and  nickel  equivalent  content  which,  upon dilution  thereof  by  steel  of the  component  during  stud welding, will provide a structure of austenite plus ferrite in  the  resulting  weld  structure,  and  stud  welding  the specified stainless steel stud to the steel component.
Patent CA-2017788-A1 (CA)
Inventor: CUMMINS DONALD L
IPC: A21C11/16
Filed: 1990-05-30
Abstract: An apparatus and method for dividing a mass of dough into a plurality of individual streams by means of a manifold and fine tuning the flow rate of the individual streams by weir type diaphragm valves so the streams have identical flow rates. Each of the individual streams of dough are simultaneously cut into identical dough pieces by a rotating driver by a four-bar link mechanism.
Patent CA-2018038-A1 (CA)
Title: Infrared absorbing bis (aminoaryl) polymethine dyes for dye-donor element used in laser-induced thermal dye transfer
Inventor: DEBOER CHARLES D
IPC: B41M5/382
Filed: 1990-06-01
Abstract: -i-INFRARED ABSORBING BIS(AMINOARYL)POLYMETHINE    DYES FOR DYE-DONOR ELEMENT USED IN LASER-INDUCED THERMAL DYE TRANSFER          Abstract A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer and an infrared-absorbing material which is different from the dye in the dye layer, and wherein the infrared-absorbing material is a bis(aminoaryl)polymethine dye which is located in the dye layer.  In a preferred embodiment, the bis(aminoaryl)polymethine dye has the following formula:       wherein:             R1, R2 and R3 each independently represents hydrogen, halogen, cyano, alkoxy, aryloxy, acyloxy, aryloxycarbonyl, alkoxycarbonyl, sulfonyl, carbamoyl, acyl, acylamido, alkylamino, arylamino or a substituted or unsubstituted alkyl, aryl or hetaryl group; or any two of said R1, R2 and R3 groups may be joined together or with an adjacent aromatic ring to complete a 5- to 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring;                -ii-R4, R5, R6 and R7 each independently represents hydrogen, a substituted or unsubstituted alkyl or cycloalkyl group having from 1 to about 6 carbon atoms or an aryl or hetaryl group having from about 5 to about 10 atoms; or R4 and R5 or R6 and R7 may be joined together to form a 5- to 7-membered heterocyclic ring; or R4, R5, R6 or R7 may be joined to the carbon atom of the adjacent aromatic ring at a position ortho to the position of attachment of the anilino nitrogen to form, along with the nitrogen to which they are attached, a 5 or 6-membered heterocyclic ring; n is 1 to 5; X is a monovalent anion; Z1 and Z2 each independently represents R1 or the atoms necessary to complete a 5-to 7-membered fused carbocyclic or heterocyclic ring; and m and p are each 4.
Patent CA-2019278-A1 (CA)
Inventor: PAYR HANS
IPC: B27B1/00
Filed: 1990-06-19
Abstract: A television camera (4) is provided in the region of a band saw (1) so that, in the latter, the wood (7), firmly placed on a band saw carriage (2) to be adjustable transversely to the dividing plane (6') of the band saw (1), can be aligned with respect to the band saw (1). An image of the end face of the wood (7) to be divided which faces the band saw (1) is produced on a television screen (5). A line (6) symbolizing the plane (6') wherein the band saw (1) operates is provided on the television screen (5). In this way, it is possible to determine from the television screen (5) whether the wood (7) is correctly aligned with respect to the band saw (1) and/or to observe the aligning of the wood (7).
Patent CA-2020115-A1 (CA)
Title: Ferroelectric, pyramidal liquid crystals
Inventor: DALCANALE ENRICO
IPC: C09K19/32
Filed: 1990-06-28
Abstract: "FERROELECTRIC, PYRAMIDAL LIQUID CRYSTALS"     Abstract Dodeca-substituted   derivatives   of  the   macrocyclic tetramers   obtained   by   means   of   the   acid-catalysed condensation  of pyrogallol and  formaldehyde,  wherein  the substituents are alkanoyl chains.  These substituted tetramers are optically anisotropic in the  molten  state  and  in  particular  show  mesophases  of pyramidal columnar type.
Patent CA-2020572-A1 (CA)
Inventor: FLORIN BRUNO
IPC: A01G7/06
Filed: 1990-07-06
Abstract: To improve the storage time of plant embryos, the embryos are kept under hypoxia by coating with a layer of oil and are then cooled and stored at a temperature above their cold sensitivity threshold.
Patent CA-2022813-A1 (CA)
Inventor: POTTER WILLIAM D
IPC: A61F6/04
Filed: 1990-08-07
Abstract: Abstract A process for making thin walled hollow polymeric articles or for forming a polymeric coating on a substrate, comprises contacting a suitably shaped former or a substrate to be coated with a solution of an amine-terminated prepolymer having a functionality of at least 2 in an organic solvent to form a coating on the former or substrate, drying the coating on the former or substrate, then contacting the coating on the former or substrate with a solution of a polyfunctional curing agent which is capable of reacting with the amino end groups of the prepolymer to cause chain extension and/or cross-linking of the latter.
Patent CA-2023949-A1 (CA)
Title: Solder paste formulation containing stannous fluoride
Inventor: TECLE BERHAN
IPC: B23K35/36
Filed: 1990-08-24
Abstract: TITLE IMPROVED SOLDER PASTE FORMULATION    CONTAINING STANNOUS FLUORIDE         ABSTRACT    An improved solder paste composition suitable for screen or stencil printing with a capability for low ionic contamination after soldering comprising a metal or metal alloy powder, a carrier, and stannous fluoride.
Patent CA-2024187-A1 (CA)
Title: Vinylphenyl compound, process for the production thereof, polymerizable composition containing same, and crosslinked polymer formed therefrom
Inventor: UEDA MASAHIDE
IPC: G11B7/253
Filed: 1990-08-28
Abstract: Abstract of the Disclosure Novel vinylphenyl compound which gives, as a copolymer with other vinyl compound copolymerizable therewith, a crosslinked polymer excellent in birefringence, transparency, heat resistance and moisture absorption resistance.  The crosslinked polymer is advantageously useful as a disk substrate.
Patent CA-2024632-A1 (CA)
Title: Photoelectric scanner
Inventor: FRICK BEAT
IPC: H04N1/028
Filed: 1990-09-05
Abstract: The light emitted by a source of light is passed by means of optical fibers or bundles of optical fibers in lines over a master to be scanned. In the process, an orifice of a disk rotated by a motor sequentially projects the light onto one optical fiber or bundle of fibers leading to the master. The light exciting from the light emitting end of the optical fiber or bundle of optical fiber illuminates the master. On the other side of the master a corresponding optical fiber or bundle of fibers receives the light coming from the master and conducts it to a receiver.
Patent CA-2025006-A1 (CA)
Title: Condensed diazepinones, processes for their preparation and medicaments containing these compounds
Inventor: RUDOLF KLAUS
IPC: A61P9/08
Filed: 1990-09-10
Abstract: Abstract Condensed diazepinones Compounds of formula I        (I) (in which ] ? represents one of the qroups       (S)              (T)          (U)              (V) and X is a =CH- group or a nitrogen atom, R represents a lower alkyl group optionally substituted by a phenyl optionally carrying halogen, methyl or methoxy, R4 and R5 represent hydrogen, halogen or lower alkyl, R6 is hydrogen, chlorine or methyl, R7 and R8 denote lower alkyl, R8 also additionally denotes halogen, m, n, o and p represent the numbers 0, 1, 2 or 3 with sum of m+n and the sum of o+p each denoting the numbers 1, 2 or 3, the sum of n+o and the sum of m+p each denoting the numbers 1, 2, 3, 4 or 5, and the sum of m+n+o+p being greater than 2, and A1, A2, A3 and A4 denote hydrogen, or where m, n, o and p each denote the number 1, A1 and A2 together or A3 and A4 together represent an ethylene bridge) and their salts are suitable for the treatment of cholinergically induced spasms and motility disorders of the gastointestinal tract and in the region of the outwardly leading bile ducts, for the symptomatic treatment of cystitis and of spasms from urelithiasis, for the treatment of relative incontinence, for the symptomatic treatment of bronchial asthma and bronchitis, and for the treatment of ischaemic heart diseases. The compounds have good selectivity.
Patent CA-2030395-A1 (CA)
Title: Ski holding device
Inventor: WEISSENBORN RICHARD K
IPC: B25B5/02
Filed: 1990-11-20
Abstract: The present invention relates to an improved ski holding device for mounting a ski on a table such as a work bench to prepare the ski base and edges. Problems presented by the new trapezoidal and monocoque designs are overcome by using a simulated ski boot to mount the ski. The mounting also provides for pivoting the ski from a position in which the base is horizontal with the ski inverted, positions in which the base of the ski is vertical and intermediate positions and holding the ski in such orientation. There is additional locking means for holding the base in a horizontal and inverted position. There is also provision for easily disengaging a boot portion of the holding device from a mounting portion of the holding device to reverse the direction in which the ski is pointing.
Patent CA-2034151-A1 (CA)
Title: Agarose plate press
Inventor: WARREN BARBARA M
IPC: G01N27/447
Filed: 1991-01-15
Abstract: AGAROSE PLATE PRESS     ABSTRACT OF THE DISCLOSURE     A method and apparatus for removing unreacted protein and unreacted antisera from a gel plate during immunofixation electrophoresis.  The apparatus includes a pressure plate movable toward and away from a fixed base for exerting a desired force on the electrophoresis plate.  A stop member limits the movement of the pressure plate toward the fixed base thus controlling the amount of pressure on the electro-phoresis plate.
Patent CA-2035423-A1 (CA)
Inventor: MORADI-ARAGHI AHMAD
IPC: C09K8/12
Filed: 1991-01-31
Abstract: A novel composition and process are disclosed for forming crosslinked gels at elevated temperatures utilize a novel crosslinking agent comprising a furan derivative and a water dispersible aldehyde or aldehyde generating compound.
Patent CA-2036130-A1 (CA)
Inventor: FIRMAIN GERARD
IPC: H01P1/10
Filed: 1991-02-11
Abstract: ABREGE                CIRCUIT DE COMMUTATION D'UN SIGNAL DE SORTIE HYPERFREQUENCE VERS UNE PREMIERE            OU UNE DEUXIEME SORTIE.       L'invention concerne un circuit de commutation d'un signal de sortie hyperfréquence vers une première sortie (S) ou une deuxième sortie (S').     Le circuit comporte: deux amplificateurs (A1, A2) recevant en entrée deux parties sensiblement égales en puissance d'un signal d'entrée, un coupleur (H) ayant deux entrées (E,E') connectées aux sorties des amplificateurs (A1, A2) et deux sorties (S, S') réalisant les sorties du circuit de commutation, des moyens de déphasage (PH) commandables pour mettre en phase ou en opposition de phase, les signaux injectés en entrée des amplificateurs (A1, A2) et pour obtenir le signal de sortie tantôt sur une sortie (S) du coupleur (H) tantôt sur l'autre (S').     Applications: Circuits de commutation d'antennes.            Figure: 2
Patent CA-2037264-A1 (CA)
Inventor: LESCA GUISEPPE
IPC: B32B27/32
Filed: 1991-02-27
Abstract: Disclosed are films and laminates which are prepared by known filming or calendering processes using heterophasic propylene polymer compositions comprising:      A) 10-60 parts by weight of homopolymer polypropylene having an isotactic index greater than 90, or crystalline copolymer of propylene with ethylene and/or other alpha-olefins containing more than 85% by weight of propylene and having an isotactic index greater than 85;      B) 10-40 parts by weight of a copolymer containing prevailingly ethylene, which is insoluble in xylene at room temperature:      C) 30-60 parts by weight of an amorphous ethylene-propylene copolymer, soluble in xylene at room temperature and containing 40-70% by weight of ethylene; said propylene polymer compositions having a ratio between the intrinsic viscosities, in tetrahydronaphthalene at 135°C, of the portion soluble in xylene and of the portion insoluble in xylene at room temperature of from 0.8 to 1.2.
Patent CA-2038907-A1 (CA)
Title: Process for the separation of oil-in-water emulsions
Inventor: AUGUSTIN THOMAS
IPC: C02F1/52
Filed: 1991-03-22
Abstract: Process for the separation of oil-in-water emulsions Abstract The process according to the invention for the separation of oil-in-water emulsions by treatment of the emulsions with organic ionic demulsifiers and/or inor-ganic demulsifiers comprises carrying out the separation in two steps by first adding an organic cationic demul-sifier to the o/w emulsions, and then adding an inorganic demulsifier, separating the oil phase from the resulting two phase system and then treating the aqueous phase with an inorganic demulsifier and with an organic anionic demulsifier.     Le A 27 450
Patent CA-2040938-A1 (CA)
Title: Gas bag for airbag systems
Inventor: BARRENSCHEEN FRANK
IPC: D03D15/56
Filed: 1991-04-22
Abstract: ABSTRACT              A gas bag for use in air systems consists of a plainweave woven fabric made of synthetic threads. To ensure that the particles released upon the combustion of the explosive charge of the gas generator will be retained in the gas bag, the woven fabric consists of threads having a denier not in excess of 470 dtex and has a sett of 15 to 23 threads per ?m and its threads consist of low-shrinkage threads in the bottom part of the gas bag.
Patent CA-2041130-A1 (CA)
Title: Dispositif de pointage automatise
Inventor: CARUANA CHARLES M
IPC: F01D5/12
Filed: 1991-04-24
Abstract: Le dispositif comporte un manipulateur (4) qui assure à partir d'un poste à dispositif calibreur (3) le transfert d'une aube (2) sur un montage de soudage (6) et un barillet (20) qui porte les chargeurs munis de plaquettes, extraites au moyen d'un vérin et amenées en position au moyen d'un descenseur (22) et d'un dispositif de transfert (24), un tourniquet (21) assurant le retournement d'une plaquette sur deux. Le pointage est assuré par l'appui d'une électrode de soudage sur la plaquette tandis qu'une électrode de masse est au contact de l'aube (2).      Un procédé mettant en oeuvre le dispositif est également décrit.
Patent CA-2041560-A1 (CA)
Inventor: KING JULIA A
IPC: D06M13/322
Filed: 1991-04-30
Abstract: ADHESION BETWEEN CARBON FIBERS AND THERMOPLASTIC MATRIX MATERIAL    IN CARBON FIBER COMPOSITES                 ABSTRACT OF THE INVENTION     Adhesion between carbon fibers and thermoplastic matrix materials, used in carbon fiber composite materials, is promoted by the use of a bridging agent.  The composite material includes: a plurality of carbon fibers; a thermoplastic matrix material intermingled among the plurality of carbon fibers; and a bridging agent adhering the plurality of carbon fibers to the thermoplastic matrix material.  The bridging agent includes compounds having multifunctional groups that are capable of chemically bonding with a functional group of the carbon fiber and a functional group of the thermoplastic matrix material; but it excludes multifunctional amine compounds having metal-oxygen bonds.
Patent CA-2042154-A1 (CA)
Inventor: EBERHARD JEFFREY W
IPC: A61B6/03
Filed: 1991-05-09
Abstract: RD-19682 CONE BEAM SCANNING TRAJECTORIES FOR THREE-DIMENSIONAL COMPUTERIZED TOMOGRAPHY DATA ACQUISITION WHERE OBJECT IS LARGER THAN THE FIELD OF VIEW A configuration for three-dimensional cone beam computerized tomography imaging which minimizes the incompleteness of the data set and, at the same time, avoids corrupted data and resulting artifacts when only a portion of an object is imaged, the object being of greater axial extent compared to a cylindrical field of view. At least two circular source scanning trajectories are defined centered on a rotation axis and lying respectively in two endplanes defining the axial extent of the field of view. At least one cone beam x-ray source and at least one corresponding two-dimen-sional array detector are employed to scan the object along the source scanning trajectories, while acquiring cone beam projection data only from rays passing through the field of view. Preferably, at least one additional circular source scanning trajectory is defined, centered on the rotation axis and lying in a plane intermediate the two endplanes.
Patent CA-2042350-A1 (CA)
Title: Shroud band for a rotor wheel
Inventor: BORUFKA HANS P
IPC: F01D5/22
Filed: 1991-05-10
Abstract: A shroud band for a rotor wheel having integral rotor blades wherein the shroud band has at least one Z-shaped separation gap at the band periphery, the Z-shaped gap having two parallel damping gaps which are axially spaced apart and which are inclined at an angle of from 70° to 90° relative to the axial direction. The damping gaps are narrow and are joined by an inclined wider free gap portion. During rotation, the damping gaps close up and the adjoining surfaces of the band come into frictional engagement whereas the free gap remains open.