baber/WOPTO huggingface dataset:
Patent CA-1289995-C (CA)
Title: Electrical switching equipment for high breaking voltages
Inventor: STEGMUELLER KARL
IPC: H01H33/14
Filed: 1987-04-02
Granted: 1991-10-01
Abstract: ABSTRACT OF THE DISCLOSURE      An electrical switching device for switching high voltages in a network having a defined rated voltage.  The device includes a series connection of at least first and second current interrupters having control elements across which a load voltage is distributed. Each interrupter operates according to different quenching principles and exhibits different dielectric behavior immediately after a zero passage of load current to be interrupted.  The first interrupter comprises a first switch which has an operating voltage that is low relative to a mains voltage of the network and includes means for interrupting, at relatively low switching voltages without participation of the second interrupter, currents having inductive components.  The second interrupter comprises a second switch having switching contacts and delay means for opening such switching contacts with a time delay of several milliseconds after the first interrupter is opened for interrupting load currents that are small relative to currents interrupted by the first interrupter.  The series connection of the interrupters interrupts capacitive currents under grounding conditions with comparatively large switching voltages and without restriking, with a distribution of voltage across the interrupters, when both are open, being controlled solely by their own and ground capacitances.
Patent CA-1302695-C (CA)
Inventor: WINDLEY WILLIAM T
IPC: D01D4/06
Filed: 1987-04-30
Granted: 1992-06-09
Abstract: ABSTRACT         A crimped fiber having a plurality of cells and bends characterized by the total area occupied by the cells within a cross-section of the fiber at the bends being less than 50% of the area occupied by the cells within a cross-section of the fiber at other than the bends.
Patent CA-1308316-C (CA)
Inventor: KRONICH PETER G
IPC: F01M9/06
Filed: 1987-06-12
Granted: 1992-10-06
Abstract: ABSTRACT A combination counterbalancing and oil slinger mechanism (64) located in the sump (144) of a horizontal shaft internal combustion engine having two slinger counterweights (70,72) radially connected on a slinger shaft.  As the counterbalancing oil slinger rotates, it both counterbalances the inertial forces created by the moving parts of the engine and also lubricates the same moving parts by throwing lubricating fluid towards them.  A deflector (118) situated partially above the counterbalancing oil slinger directs the lubricating fluid towards the critical bearing points of the moving parts.  A restricting wall (132) in the engine sump controls the quantity of lubricating fluid flowing into the oil slinger well (114).
Patent CA-1297861-C (CA)
Title: Hydrocarbon cracking catalysts and processes utilizing the same
Inventor: SCHUETTE WILLIAM L
IPC: C10G11/05
Filed: 1987-06-25
Granted: 1992-03-24
Abstract: ABSTRACT           A catalyst is provided which comprises a phosphorus-treated ultrastable Y-type crystalline zeolite and a non-zeolitic inorganic oxide matrix.  A catalytic cracking process utilizing the catalyst is also provided.
Patent CA-1294905-C (CA)
Title: Anti-lafora body monoclonal antibody
Inventor: YOSHIDA HAJIME
IPC: C12N5/20
Filed: 1987-07-08
Granted: 1992-01-28
Abstract: ABSTRACT                 ANTI-LAFORA BODY MONOCLONAL ANTIBODY   A monoclonal antibody is disclosed capable of reacting with abnormal glycogen from patients with Lafora disease (Lafora bodies) and with abnormal glycogen from patients with type IV glycogenosis but not with normal glycogen, and therefore useful in the diagnosis of Lafora disease and type IV glycogenosis (Andersen's disease).
Patent CA-1337009-C (CA)
Inventor: BRULET DANIEL
IPC: C08F6/14
Filed: 1987-08-17
Granted: 1995-09-12
Abstract: L'invention concerne un procédé de préparation d'homo- et co- polymères du chlorure de vinyle sous forme de poudre apte à donner des plastisols. Ce procédé qui consiste à réaliser une opération de séchage par atomisation sur un latex d'homo- ou co-polymère du chlorure de vinyle, est caractérisé en ce que l'on opère de manière que la température de mise en oeuvre du latex à soumettre à l'opération de séchage par atomisation soit au moins égale à 40.degree. C et inférieure à la température de début de dégradation du polymère. Les polymères ainsi obtenus présentent un taux de chlorure de vinyle monomère résiduel très fortement diminué et conduisent à des platisols de propriétés rhéologiques améliorées.
Patent CA-1289588-C (CA)
Inventor: HELLESTAM SVEN
IPC: B60K17/02
Filed: 1987-09-16
Granted: 1991-09-24
Abstract: ABSTRACT            A tricycle with collapsible frame  which incorporates front and rear frame posts and at least one cross  beam  interconnecting said  frame  posts. The purpose is to provide a bicycle  which with one or a few simple hand grips in a few  seconds  can  be folded  into  a  compact  unit.  It  furthermore shall have an absolutely rigid frame when the bicycle is in its position  of use   and  in collapsed position it shall be only little bulky with a substantial extension in one direction only.  This  has been achieved in that the cross beam of the frame is two-part that the  two  parts  of  the  cross  beam  are  articulatedly connected  to  each other and to the frame posts  and that the two parts of the cross  beam  at  folding  of  the  frame  are pivotable   towards   the   front  and  the  rear  frame  post respectively.
Patent CA-1291867-C (CA)
Title: Encapsulated breaker for cross-linked acid gel, fracture acidizing fluid containing same and method of use thereof
Inventor: JACOBS IRWIN C
IPC: C09K8/74
Filed: 1987-10-19
Granted: 1991-11-12
Abstract: Abstract of the Disclosure Fracture acidizing fluids  are provided containing an encapsulated breaker which releases breaker at a regulated rate over time.
Patent CA-1288662-C (CA)
Title: Skimmer cover plate
Inventor: FRENTZEL HERMAN E
IPC: E04H4/16
Filed: 1988-01-07
Granted: 1991-09-10
Abstract: Abstract of the Disclosure A skimmer cover plate is disclosed for use with a pool skimmer system.  The skimmer cover plate allows the pool skimmer to work alternatively with an underwater suction operated pool cleaner.  The skimmer cover plate is designed to seal the upper surface of the well of a skimmer.  The hose of the suction cleaner is connectable to a pipe on the cover plate.  The cover plate includes an indexable valve which is movable between two positions for varying the flow of fluid and debris from the pool directly into the well and basket of the pool skimmer.  When fluid flow is restricted through the valve, the suction will be diverted to power the pool cleaner.  When the valve is opened, debris will pass from the surface of the skimmer through the valve and into the basket for collection.  An indexable valve is provided which indexes in response to the cycling of the pump.
Patent CA-1317343-C (CA)
Title: Fluorescent lamp starter assembly
Inventor: BROWER BOYD G
IPC: H01J7/44
Filed: 1988-01-21
Granted: 1993-05-04
Abstract: ABSTRACT     In a fluorescent lamp. a circuit board assembly is provided within  the  base  of  the  lamp.   The  circuit board  assembly  includes  a  circuit  board  having  a plurality of conductive runs thereon a lamp starter circuit and means  electrically coupling the pins of the lamp base to the circuit board.
Patent CA-1301661-C (CA)
Title: All-terrain vehicle
Inventor: SOMERTON-RAYNER MICHAEL
IPC: B60K17/22
Filed: 1988-02-01
Granted: 1992-05-26
Abstract: ABSTRACT OF THE DISCLOSURE          An all-terrain vehicle is provided with eight wheels on four equidistant axles all driven from a single engine via two transfer boxes and differential gear units on each axle.  The axles are fully floating beam axles on long travel coil springs and controlled by radius arms and Panhard rods.  The radius arms may be parallel to and co-extensive with the respective propeller shafts coupling the differential gears to the transfer boxes and the connections between the propeller shafts and the transfer box outputs include torsional vibration dampers.  The coup-lings at the ends of each propeller shaft to the transfer box and the differential gear unit comprise respective universal joints, and the yokes of the universal joints at opposite ends of the propeller shaft are set to be rotationally out of phase, with the driven yoke lagging the driving yoke.          A dual circuit braking system with a deceleration sensing valve can be provided to limit the hydraulic pressure to the front wheel brakes.
Patent CA-1309719-C (CA)
Title: Heterocycly1-2-propyn-1-amines
Inventor: BARGAR THOMAS M
IPC: A61K31/38
Filed: 1988-02-22
Granted: 1992-11-03
Abstract: ABSTRACT       This invention relates to novel heterocyclyl-2-propyn-1-amines of the formula Het-C ? C-CH2-NH2 wherein Het is 2- or 3-thienyl or 2- or 3-furyl, each Het ring optionally being substituted with from 1 to 3 moieties selected from the group consisting of lower alkyl of from one to about six carbon atoms, alkoxy of from 1 to about 6 carbon atoms, alkylthio of from 1 to about 6 carbon atoms, fluoro, bromo, chloro, carboxylic acid and hydroxymethyl and the pharmaceutically acceptable acid addition salts thereof, which are useful as dopamine beta hydroxylase inhibitors in the treatment of hypertension.
Patent CA-1301058-C (CA)
Inventor: SCHUPPISER JEAN-LUC
IPC: A01N25/10
Filed: 1988-02-22
Granted: 1992-05-19
Abstract: Compositions of matter containing at least one cationic organic compound and xanthan gum in aqueous solution. The dilute compositions do not form an insoluble complex in water. Application in all industrial fields and especially in the plant- protection field.
Patent CA-1294708-C (CA)
Title: Bottle receiving means
Inventor: MATTILA TIMO
IPC: B07C5/12
Filed: 1988-03-02
Granted: 1992-01-21
Abstract: OBJECT IDENTIFYING DEVICE     Abstract of the Disclosure Object identifying device, e.g. a bottle receiving device, comprising a transport apparatus for transporting the objects such as bottles, an  identifying device with a data processing unit for identifying and accepting bottles having certain given shapes, and a recording device for recording accepted bottles.  The identifying device comprises a principally stationary illuminating device for illuminating the bottles, a detector for examining the bottles, and a conveyor for moving the bottles past the detector.  A mirror system is interposed between the illuminating device and the detector, with which the optical length of the entire system can be increased without increasing the  structural dimensions  thereof.
Patent CA-1337819-C (CA)
Title: Preparation of 1,1-disubstituted ethylene compounds
Inventor: MERGER FRANZ
IPC: C07C67/317
Filed: 1988-06-10
Granted: 1995-12-26
Abstract: 1,1-disubstituted ethylene compounds of the general formula I                      I     where Z is COOR2, CN or COR3, R1 is an aliphatic, cyclo-aliphatic, araliphatic, aromatic or heterocyclic radical which may be further substituted by functional groups which are inert under the reaction conditions, R2 is an aliphatic, cycloaliphatic or araliphatic radical of 1 to 15 carbon atoms and R3 is an aliphatic, cycloaliphatic or araliphatic radical of 1 to 15 carbon atoms which may be substituted by groups which are inert under the reaction conditions, and R1 together with R2 or R1 together with R3 may furthermore form an alkylene chain of 2 to 10 car-bon atoms which may be substituted by groups which are inert under the reaction conditions, are prepared from a formyl compound of the general formula II                             II   where Z, R1, R2 and R3 have the above meanings, by a process in which the reaction is carried out in the presence of formaldehyde or paraformaldehyde and a) a C1-C12-alkanol or b) a mixture of a C1-C12-alkanol and water or c) with water in the presence of a secondary amine and a protic acid at from 0 to 200°C.
Patent CA-1308897-C (CA)
Title: Acidized fracturing fluids containing high molecular weight poly(vinylamines) for enhanced oil recovery
Inventor: LAI TA-WANG
IPC: C09K8/04
Filed: 1988-06-13
Granted: 1992-10-20
Abstract: ABSTRACT     The inverse emulsion polymerization of a monomer of the formula   wherein R and R  represent hydrogen or a C1-C4 alkyl'group, using a surfactant system having a hydrophilic-lipophilic balance value from 4 to 9, an azo-type free radical initiator and certain hydrocarbon liquids to yield a water-in-oil emulsion of a homopolymer of at least 106 average molecular weight, the emulsion having a viscosity less than 10 cps, at 15% solids, 60 rpm Brookfield and 20°C.     Also disclosed is the preparation of poly(vinylamines) of at least 106 average molecular weight by acid or base hydrolysis of the homopoly-mer emulsion.     Also disclosed are enhanced oil recovery compositions, drilling mud compositions, cements for drilling holes, completion fluids, acidized fracturing fluids, and wet-end paper additives containing the poly(vinylamines) and demonstrating superior properties.
Patent CA-1310315-C (CA)
Title: Load-carrying grease
Inventor: ALEXANDER A GORDON
IPC: C10N10/04
Filed: 1988-07-07
Granted: 1992-11-17
Abstract: ABSTRACT OF THE DISCLOSURE     A grease composition having improved load-carrying capability is disclosed.  More specifically, the load-carrying capability of a grease is increased when a polyhydric alcohol having at least three hydroxy groups and at least two metal hydrocarbylthiophosphate compounds in which the metal is different in at least two compounds  are  incorporated  into  said grease.          Glycerol  is  a  preferred  polyhydric alcohol  while antimony dialkyldithiophosohate and zinc dialkyldi-thiophosphate are preferred hydrocarbylthiophosphate compounds.
Patent CA-1312206-C (CA)
Title: Grinding head for surfacing and polishing stone, marbles and other hard materials
Inventor: WALLIN ANDERS
IPC: B24B7/22
Filed: 1988-07-12
Granted: 1993-01-05
Abstract: ABSTRACT      Grinding head for surfacing and polishing stone, marbles and other hard materials including a rotating housing supporting a number of oscillating grinding blocks which during rotation of said hous-ing are pressed against the surface to be treated during simultaneous supply of water to the working zone of said grinding blocks. The apparatus includes a new excenter mechanism for imparting to said grinding blocks an oscillatory tangential movement with respect to said grinding head during rotation thereof. The apparatus also renders possible a forced self-lubrication of bearing surfaces.
Patent CA-1303766-C (CA)
Title: Polycarbonate resin composition with acrylic impact modifiers
Inventor: SASAKI ICHIRO
IPC: C08L69/00
Filed: 1988-07-15
Granted: 1992-06-16
Abstract: ABSTRACT        A polycarbonate resin composition which comprises: 50-80% by weight of a polycarbonate resin, 20-45% by weight of a poly(1,4-butylene terephthalate) resin and 5-30% by weight of an impact modifier, based on the resin composition, respect-ively, the impact modifier being a core-shell polymer comprising a core composed of a cross-linked rubbery polymer of an alkyl acrylate wherein the alkyl has 2-8 carbons and a shell composed of a homopolymer or a copolymer of methyl methacrylate which has a glass transition temperature of not less than 60°C, and the core-shell polymer having an acetone soluble fraction of not more than 3% by weight based on the core-shell polymer.  The polycarbonate resin composition has an improved impact strength at low temperatures, in particular at temperatures as low as -30°C and is useful as a molding compound.
Patent CA-1313399-C (CA)
Inventor: MURAI MAKOTO
IPC: H04W52/02
Filed: 1988-11-25
Granted: 1993-02-02
Abstract: PAGING APPARATUS HAVING A BATTERY SAVING FUNCTION ABSTRACT OF THE DISCLOSURE    A paging apparatus having a battery saving func-tion comprises a power supply to a radio circuit and a power supply control circuit.   Power is turned on periodically in synchronization with the detection of synchronization signals and is turned off responsive to the detection of a predetermined sequence.   The power supply to the radio circuit remains turned off without being turned on periodically for a predeter-mined time period in response to the detection of a specific code addressed to the paging apparatus.
Patent CA-1327659-C (CA)
Title: Aldehyde starch saturant laminating adhesive
Inventor: MOHLER PAUL J
IPC: C09J161/00
Filed: 1988-11-30
Granted: 1994-03-08
Abstract: ABSTRACT       The invention relates to a curable aldehyde resin and starch composition useful as a saturant and laminating adhesive for paperboard products, including dual arch corrugated cardbord. The aldehyde resin to starch ratio is from approximately 2:1  to 5:1 by weight.  By the present invention is produced corrugated paperboard which has substantially improved crush strength over that obtained with polyvinyl acetate adhesives, and higher moisture resistance than either polyvinyl acetate or starch adhesives.
Patent CA-1304361-C (CA)
Title: Method of purifying crude polyol fatty acid polyesters
Inventor: VAN LOOKEREN GERARD J
IPC: C07H13/06
Filed: 1988-12-02
Granted: 1992-06-30
Abstract: ABSTRACT             The present invention pertains to a method of purifying crude polyol fatty acid polyesters, in particular sugar polyesters, comprising, preferably more than one, alkaline washing treatments at pH of at least 12.5, optionally in combination with water and/or acid washing treatments and further conventional refining steps. By this method better colour-removal and stability against high-temperature discolouring is achieved.
Patent CA-1330674-C (CA)
Title: Polyvinyl alcohol derivatives containing pendant vinylic monomer reaction product units bound through ether groups and hydrogel contact lenses made therefrom
Inventor: GOLDENBERG MERRILL
IPC: G02B1/04
Filed: 1988-12-14
Granted: 1994-07-12
Abstract: Polyvinyl alcohol derivatives containing pendant vinylic monomer reaction product units bound through ether groups and hydrogel contact lenses made therefrom Abstract A contact lens of a crosslinked, organic aprotic solvent insoluble, substantially transparent polymer of a derivative of a polyvinyl alcohol having a weight average molecular weight of at least about 2,000, containing an effective amount between about 0.1 and 90 percent, based on the number of hydroxyl groups on said polyvinyl alcohol, of a crosslinked addition reaction product of units of the formula               (I) in the presence or absence of a polymerizable vinylic monomer wherein R1 is a divalent aliphatic, cycloaliphatic, aryl, aralkyl or alkaryl group; A is -O-, -NH- or -NHCON(R")- where R" is hydrogen or lower alkyl and A' is a direct bond; or A is a direct bond and A' is -O-or -O-CH2-; R2 is hydrogen or methyl; and R3 is hydrogen, methyl or -COOR4 where R4 is hydrogen or lower alkyl; with the proviso that if R2 is methyl, R3 is hydrogen; and wherein the polymerizable vinylic monomer, if present, is hydrophobic or is a mixture of hydrophobic and hydro-philic vinylic monomers in which mixture at least 50 % of vinyl monomers are hydrophobic.
Patent CA-1321929-C (CA)
Title: Dynamic damper on marine propeller or propeller shaft
Inventor: LAM EDWARD K
IPC: F16F15/12
Filed: 1989-01-09
Granted: 1993-09-07
Abstract: ABSTRACT OF THE DISCLOSURE               Disclosed herein is a marine propulsion device comprising a lower unit including a gear case, a propeller shaft extending in the gear case, an annulus of greater dimension than the propeller shaft and of material weight, and a ring of elastomeric material resiliently connecting the annulus to the propeller shaft in co-axial relation thereto so as to provide for rotation of the annulus in common with rotation of the propeller shaft.
Patent CA-1334881-C (CA)
Inventor: HOFELDT ROBERT H
IPC: C09K3/10
Filed: 1989-02-09
Granted: 1995-03-21
Abstract: A  sealing  composition  for  a  container  closure comprises a polymeric matrix material and is modified by the  inclusion  therein  of  an  oxygen  scavenger.    The composition can be in fluid or meltable form ready for application  to  a  closure  or  it  can be  present as  a deposit on the closure, for instance a gasket around the closure.   Preferably the scavenging properties of the deposit are activated by pasteurising or sterilising the deposit when sealing a container with the closure.   The invention is of particular value when the closure is a metal cap for a beer bottle.
Patent CA-1325500-C (CA)
Inventor: HISKENS IAN R
IPC: D21H17/67
Filed: 1989-03-17
Granted: 1993-12-28
Abstract: ABSTRACT PAPER SIZING METHODS AND COMPOSITIONS         The manufacture of sized paper, by adding a sizing agent and an aluminium compound to paper-making stock or by surface-sizing paper with a pre-blend of the agent and the compound, is carried out at a neutral or alkaline pH, typically a pH above 6, and so that the agent and the compound are added simultaneously to the paper-making stock or are applied simultaneously to the paper surface.  If the agent and the compound are used as a one-shot pre-blend, this is made on or immediately before use.
Patent CA-1295007-C (CA)
Title: Fluorescent lamp system
Inventor: COUNTS RICHARD C
IPC: H05B41/298
Filed: 1989-04-03
Granted: 1992-01-28
Abstract: IN THE ABSTRACT      Power is provided to a fluorescent lamp through a single integrated circuit (IC) chip.  The IC chip contains control logic and power switches:  The control logic operates the switches at a frequency which is optimum for the fluorescent lamp.  The control logic includes circuits for thermal shut down, load status detection and voltage compensation.
Patent CA-1306501-C (CA)
Inventor: SHIMIZU TOSHIMITSU
IPC: H04B17/00
Filed: 1989-05-26
Granted: 1992-08-18
Abstract: ABSTRACT           A monitoring method and system for a radio communication apparatus including a base station and various portable units are described.  The invention involves transmitting a first request signal from the base station to each of the portable units for a first predetermined cycle period and then replying with a first response signal from each of the portable units to the base station only when each of the portable units has a change of operation state.  A second request signal is then transmitted from the base station to each of the portable units when the base station receives the first response signal from each of the portable units.  A third request signal is transmitted from the base station to each of the portable units for a second predetermined cycle period which is longer than the first pre-determined cycle period.  A reply in the form of a second response signal is sent from each of the portable units to the base station in response to the second or third request signal.  The second response signal includes information of the operation state in each of the portable units.
Patent CA-1303236-C (CA)
Title: Finding faults in circuit boards
Inventor: BROWN DAVID C
IPC: G01R31/3185
Filed: 1989-07-21
Granted: 1992-06-09
Abstract: Abstract of the Invention The subject invention features diagnostic circuitry installed on one or more chips of a board.  This diagnostic circuitry is constructed so that during a diagnostic interval it generates a diagnostic output signal if and only if it is supplied with normal voltages on service supply structures (such as ground, B+ supply, clock) distributing service voltages to devices on the board.  The diagnostic output is connected to a diagnostic output pin of the chip which may also serve as one of the operating pins of the chip (such as a signal input pin).  The receptacle for the diagnostic pin is connected on the board to a diagnostic interface at the periphery of the board.
Patent CA-1322699-C (CA)
Title: Fibrous reinforced materials impregnated with low viscosity polyurethanes/urea forming components
Inventor: GILLIS HERBERT R
IPC: C08G18/28
Filed: 1989-08-03
Granted: 1993-10-05
Abstract: ABSTRACT          FIBROUS REINFORCED MATERIALS IMPREGNATED WITH LOW VISCOSITY POLYURETHANES/UREA FORMING COMPONENTS          Improved reinforced polyurethane/urea articles are made by react-ing an organic polyisocyanate with low viscosity imino/enamine-functional compounds in contact with fiberous reinforcing agents.