baber/WOPTO huggingface dataset:
Patent CA-1284628-C (CA)
Title: Vented beverage closure
Inventor: LUENSER WERNER R
IPC: B65D41/04
Filed: 1987-10-06
Granted: 1991-06-04
Abstract: ABSTRACT                  VENTED BEVERAGE CLOSURE     A threaded thermoplastic closure suitable for fitment to a threaded container neck is disclosed.  The closure is provided with one or more vent grooves cut through the primary threads in the inner wall of the closure skirt.  The ends of each thread segment are rounded and a smaller reinforcing secondary thread within the groove extends across the groove connecting the thread segments. The lower edge portion of the secondary thread is aligned with the lower edge portion of the adjacent segments of the primary thread to maximize the venting space over the secondary thread.
Patent CA-1305117-C (CA)
Title: Mill
Inventor: HADDOW ANDREW J
IPC: B02C19/06
Filed: 1987-10-07
Granted: 1992-07-14
Abstract: ABSTRACT OF THE DISCLOSURE     Hitherto it has been necessary to mill fine particles twice in a fluid energy mill to produce the desired particle size.          An  improved  mill  has  now been  developed  that  achieves excellent milling with a reduced consumption of milling gas. The mill  incorporates  an  impact plate in-line with a first jet and venturi and a second jet and venturi to entrain the milled particles from the plate to feed into a separation/milling chamber.
Patent CA-1312595-C (CA)
Title: Process for the preparation of hydrotreating catalysts from hydrogels
Inventor: KEMP RICHARD A
IPC: C10G45/08
Filed: 1987-10-09
Granted: 1993-01-12
Abstract: A B S T R A C T                      PROCESS FOR THE PREPARATION OF HYDROTREATING CATALYSTS FROM HYDROGELS      Process for preparing highly active hydrotreating catalysts prepared by incorporating a metal selected from the group consisting of molybdenum, tungsten and mixtures thereof, cobalt or nickel (with a stabilizing amount of phosphorus) into an alumina hydrogel support.  The final calcined catalysts have surface areas greater than 300 m2/g, crush strengths greater than 80 N and more than 80% of their pore volume in pores having diameters less than 7 nm.          T4/T2046.TXT
Patent CA-1325913-C (CA)
Inventor: GRZESKOWIAK NICHOLAS E
IPC: G03C1/06
Filed: 1987-10-14
Granted: 1994-01-11
Abstract: HIGH CONTRAST SCANNER PHOTOGRAPHIC ELEMENTS EMPLOYING   RUTHENIUM AND IRIDIUM DOPANTS     Photographic elements comprising a negative working silver halide emulsion containing high intensity reciprocity failure reducing amounts of dopant comprising both ruthenium and iridium ions.
Patent CA-1314097-C (CA)
Title: Video difference key generator
Inventor: BARNETT RONNIE D
IPC: H04N5/445
Filed: 1987-10-22
Granted: 1993-03-02
Abstract: Abstract of the Disclosure A video difference key generator has stored reference video image. An input video image is compared with the reference video image by an absolute difference circuit which subtracts corresponding pixels of the two video images, the smaller from the larger, to produce a difference video image. The difference video image may be filtered, and then is input to a transfer function circuit to produce an output which may be used as a key signal for compositing video images.
Patent CA-1287329-C (CA)
Inventor: KACZMARCZYK EDWARD T
IPC: E02F9/14
Filed: 1987-10-26
Granted: 1991-08-06
Abstract: METHOD AND APPARATUS FOR ATTACHING A LOADER TO A TRACTOR       Abstract of the Disclosure A method and apparatus for quickly mounting a loader on a tractor which eliminates need for loose connecting pins or bolts and tools.  A pair of slotted brackets include sliding wedge blocks which automatically secure the mast post pins in position during mounting.  The mast post pins are moved into the slots, and then the forward portion of the loader frame is rotated upwardly about the axis of the pins to engage forward mounting structure. The tractor is then driven forward to slide the mast post pins into the respective slotted brackets.  Thereafter, the boom cylinders are actuated to rock the loader frame about the forward mounting structure and move the mast post pins into vertically disposed portions of the slots and to permit the wedge blocks to slide into their latching positions.  A handle operated cam arrangement moves the block away from the slot portion for dismounting the loader.  The slots are angled to help break the loader frame away from the brackets during dismounting without requiring excessive load drag.  Pivoting hose support structure and a forwardly projecting hose bracket assembly minimize hydraulic hose length and reduce hose routing problems both during loading and mounting/dismounting operations.
Patent CA-1283959-C (CA)
Title: Dispositif de connexion
Inventor: LACROIX JACQUES
IPC: H01R4/24
Filed: 1987-11-05
Granted: 1991-05-07
Abstract: Abrégé "Dispositif de connexion" Le dispositif comporte un boîtier pourvu d'une cheminée d'introduction de fils à connecter, prolongée à l'intérieur du boîtier, et dans lequel est verrouillée un linguet (3). Un bouchon (9), portant un clip (12) à fentes (13) pour saisir, tirer et dénuder les fils par fluage de leur gaine, entre le linguet et clip, est enfoncé dans le boîtier. Le clip (12) est verrouillé sur le linguet. L'espace entre le clip (12) et le linguet est inférieur au diamètre de l'âme des fils. Le dispositif permet de connecter des fils conducteurs entre eux dans tout genre d'industrie. (Figure 1)
Patent CA-1300782-C (CA)
Title: Stable aqueous epoxy resin dispersion, process for the preparation thereof and use thereof
Inventor: BECKER WILHELM
IPC: C08J3/02
Filed: 1987-12-18
Granted: 1992-05-12
Abstract: ABSTRACT OF THE DISCLOSURE            Stable aqueous epoxy resin dispersion, process for the preparation thereof and use thereof The invention relates to stable epoxy resin dispersions and also a process for the preparation thereof and the use thereof, in particular for coatings.  The epoxy resin dispersions which are remarkable, in particular, for good storage stability with a low content of organic solvents at the same time and yield coatings with good surface pro-perties, contain, in addition to water, optionally small quantities of organic solvents and also optionally usual additives, epoxy resin hardeners and the like, as an essential constituent a condensation product of a)  50 to 80 % by weight of an epoxy compound containing at least two epoxy groups per molecule and having an epoxy equivalent of 100 to 2,000, b)  35 to 17 % by weight of an aromatic polyol and c)  15 to 3 % by weight of a condensation product of an aliphatic polyol with a molecular weight (Mw) of 200 to 20,000 and an epoxy compound containing at least two epoxy groups per molecule and having an epoxy equivalent of 100 to 2,000, the equivalent ratio of the OH groups to the epoxy groups being 1:0.85 to 1:3.5 and the epoxy equivalent of said condensation product being between 200 and at least 50,000.
Patent CA-1309267-C (CA)
Title: Method for the manufacture of slow release fertilizers
Inventor: PIPKO GRIGORI
IPC: C05G3/00
Filed: 1988-01-05
Granted: 1992-10-27
Abstract: ABSTRACT OF THE DISCLOSURE        A  method  for  the  manufacture  of  physically prepared  slow-  release fertilizer by coating fertilizer particles with at least  one  layer  of  a  substantially water insoluble metal salt formed in-situ from an organic acid having between 6 to 30  carbon  atoms  and  a  metal oxide   or  carbonate.   Optionally,  the  coating  layer contains  micronutrients  and  inert  materials.   In   a preferred  embodiment, an additional layer of paraffin is added on the coating of metal salt of organic acid.   The method  is  applicable for most of the known fertilizers.          The method enables to vary the rate of fertilizer release and   the  release  period  time  according  to  specific requirements.
Patent CA-1286769-C (CA)
Title: Electron gun design
Inventor: KOLPIN HANS J
IPC: H01J37/06
Filed: 1988-01-07
Granted: 1991-07-23
Abstract: ABSTRACT         An electron gun which is rugged, provides good thermal decoupling of the cathode, permits precise alignment of the elec-trodes to be achieved easily and allows geometric changes to be carried out with ease is described.  In the cathode assembly three set screws and a split ring of insulating material are used to secure the cathode.  Alignment is achieved by suitably adjust-ing the set screws and because contact can be limited to the three set screws thermal coupling is reduced.  Similarly a Whenelt electrode is secured and aligned by a further group of set screws.          Finally, the anode is secured to replaceable stand-offs by means of screws passing through oversized holes in an anode plate.          The oversized holes permit easy alignment and the use of stand-offs permits the spacing between anode and cathode to be changed as desired by replacing the stand-offs.
Patent CA-1316293-C (CA)
Title: Compositions de polybenzhydrolimides terminees par des groupements a insaturation ethylenique, les polyimides reticules obtenus par leur polymerisation thermique et l'utilisation de ces compositions
Inventor: MALINGE JEAN
IPC: C08G73/10
Filed: 1988-02-12
Granted: 1993-04-13
Abstract: On décrit des compositions polymériques comprenant des chaînes poly(benzhydrol-imides) terminées par des groupements à insaturation éthylénique qui peuvent être représentées par la formule générale: <IMG> dans laquelle Ar représente un radical aromatique divalent et R un atome d'hydrogène ou un radical hydrocarboné monovalent. Elles peuvent être préparées par réaction, dans des conditions d'imidation, d'au moins une diamine primaire avec au moins de l'acide benzhydroltétracarboxylique-3,3',4,4', un bis (ortho-acide-ester) ou un tétraester d'un tel acide/avec un anhydride, un acide-ester ou un diester d'acide cycloaliphatique dicarboxylique à insaturation éthylénique. Ces compositions peuvent être transformées en polyimides réticulés par polymérisation thermique. Elles sont utilisables pour fabriquer notamment des matériaux composites, des adhésifs, desobjets moules et des revêtements protecteurs résistant aux températures élevées.
Patent CA-1319593-C (CA)
Inventor: CHICHIBU KENJI
IPC: G01N33/68
Filed: 1988-02-29
Granted: 1993-06-29
Abstract: METHOD OF ASSAYING HIGH MOLECULAR HYALURONIC ACID         AND KIT OF REAGENTS FOR SUCH ASSAY ABSTRACT:       A high molecular hyaluronic acid which is an important factor in the diagnosis of inflammations such as rheumatism or diseases such as cancer is assayed as a complex of sandwich structure in which a hyaluronic acid binding protein is coupled to the hyaluronic acid of inter-est at two or more sites of binding without the need to employ a competitive reaction as in the prior art techniques of assay.  The assay method of the present invention does not require a purified form of hyaluronic acid as a reagent and permits as small as 10 ng of a high molecular hyaluronic acid to be detected or quantified by a very simple operation.
Patent CA-1311089-C (CA)
Title: Film reinforcement for disposable diapers having refastenable tapes
Inventor: PAZDERNIK PATRICK A
IPC: A61F13/58
Filed: 1988-03-16
Granted: 1992-12-08
Abstract: ABSTRACT      An article, which includes a refastenable adhesive tape fastening system, comprises an adhesive tape tab which has a peel force value of at least about 11.7 N, and a substrate layer which is composed of a nonwoven synthetic polymer material.  The substrate layer has a matte finish, and has a tensile load capacity which is substantially unable to prevent tearing thereof when the tape tab is peeled from adhesive contact with the substrate layer.  A reinforcement layer has a first major surface bonded to the substrate layer, and has a second major surface which is appointed for adhesive bonding with the adhesive tape tab. The reinforcement layer also has a matte finish and a yield tensile strength of at least about 15 MPa.  The reinforcement layer and substrate layer thereby form a composite, reinforced substrate having a composite tensile load capacity capable of withstanding the peeling removal of the adhesive tape tab substantially without tearing.
Patent CA-1314212-C (CA)
Title: Stable parmaceutical w/o emulsion composition
Inventor: BELL STEPHEN R
IPC: A61K47/34
Filed: 1988-04-12
Granted: 1993-03-09
Abstract: STABLE PHARMACEUTICAL W/O EMULSION COMPOSITION                 Abstract of the Invention A stable water-in-oil emulsion composition for topical therapeutic administration comprising:      a. a dispersed aqueous phase comprising water optionally containing a pharmaceutically acceptable electrolyte dissolved therein:      b. a pharmaceutically acceptable continuous oil phase comprising mineral oil and a volatile silicone fluid;      c. an organopolysiloxane emulsifier of Formula (I) hereinafter described;      d. PPG-20 Methyl Glucose Ether Distearate; and e. an active drug component for topical application.   (RV-1336/RV12)
Patent CA-1303290-C (CA)
Inventor: YAGI KAZUO
IPC: C08J5/18
Filed: 1988-05-03
Granted: 1992-06-09
Abstract: Abstract of the Disclosure Disclosed is a molecularly oriented molded body of an ultra-high-molecular-weight ethylene/.alpha.-olefin copolymer having an intrinsic viscosity (?) of at least 5 d?/g and such a content of an .alpha.-olefin having at least 3 carbon atoms that the number of molecules of the .alpha.-olefin is 0.1 to 15 on the average per 1000 carbon atoms, wherein the molded body shows at least two crystal fusion endothermic peaks when the measurement is conducted in the restraint state by using a differential scanning calorimeter, the molded body has at least one crystal fusion endothermic peak (Tp) at a temperature higher by at least 20°C than the inherent crystal fusion temperature (Tm) of the ultra-high-molecular-weight ethylene/.alpha.-olefin copolymer determined as the main fusion endothermic peak at the time of the second elevation of the temperature, and the quantity of heat based on said crystal fusion endothermic peak (Tp) is at least 15% based on the total fusion heat quantity.
Patent CA-1290379-C (CA)
Title: Arrangement for edgewise wound pole winding
Inventor: HERZOG GORDON W
IPC: H02K3/18
Filed: 1988-05-19
Granted: 1991-10-08
Abstract: FAULT CURRENT LIMITER FOR A DC MOTOR DRIVE SYSTEM            ABSTRACT OF THE DISCLOSURE     There is disclosed a direct current motor drive system comprising a direct current motor operable in a forward motoring mode receiving current from a power source and in a reverse inversion mode providing inversion current to the power source.  The drive system includes a converter for controlling motor operation.  The converter converts alternating current, received from the power source, to direct current.  The converter supplies direct current across terminals of the motor when operating in the forward motoring mode. The system includes an inversion fault current limiter for limiting inversion fault currents associated with motor operation in the reverse inversion mode without effecting the supply of current to the motor in the forward motoring mode.  The inversion fault current limiter is electrically connected in series between the converter and one armature terminal of the motor.  The inversion fault limiter includes a diode switch connected in parallel with a resistor.  The diode switch conducts during the forward motoring mode to permit the flow of direct current therethrough from the converter to the motor.  The diode switch does not conduct when the motor is operating in the reverse inversion mode so as to direct inversion current through the resistor and thereby limit the flow of inversion fault currents.
Patent CA-1300973-C (CA)
Title: Balanced capillary ink jet pen for ink jet printing systems
Inventor: HANSON GARY E
IPC: B41J2/055
Filed: 1988-06-09
Granted: 1992-05-19
Abstract: Abstract This application describes an ink jet pen having an ink supply housing which includes a primary ink reservoir (30) and a secondary ink reservoir (26).  A balancing capillary member is positioned within the ink supply housing and includes ink flow path (20,24) which extends between the primary ink reservoir (30) and the secondary ink reservoir (26).  This capillary member is operative to draw ink from the primary ink reservoir (30) and into or toward the secondary ink reservoir (26) by capillary action as temperature and pressure within the primary ink reservoir increases.  Conversely, when temperature and pressure in the housing decreases, ink will be drawn back into or toward the primary ink reservoir (30).  In addition, the primary ink reservoir (30) is connected by way of a suitable ink feed path to an ink jet printhead (32) for supplying ink to the printhead during an ink jet printing operation.
Patent CA-1322799-C (CA)
Title: Flame retardant additive for thermoplastics
Inventor: PAWAR PRAKASH K
IPC: C08L83/02
Filed: 1988-06-23
Granted: 1993-10-05
Abstract: IMPROVED FLAME RETARDANT ADDITIVE FOR THERMOPLASTICS               Abstract of the Disclosure There is provided a flame retardant for thermoplastic resins comprising:   (i)  20 to 60% by weight a silicone oil; (ii)  10 to 40% by weight a silicone resin; and (iii)  5 to 60% by weight a gassing agent selected from the group consisting of compounds containing both phosphorus and nitrogen or a mixture of phosphorus containing compounds with nitrogen containing compounds.
Patent CA-1299205-C (CA)
Title: Cellulose fiber reinforced structure
Inventor: VINSON KENNETH D
IPC: C04B18/26
Filed: 1988-06-28
Granted: 1992-04-21
Abstract: ABSTRACT     A cellulose fiber-reinforced structure useful for building and  construction made  from  a  composition  including  a  water-curable, inorganic binder capable of setting to form a matrix and pulped  softwood  fibrous  material  having  enhanced  levels  of summerwood fibers.
Patent CA-1306000-C (CA)
Title: Under the flywheel ignition system
Inventor: DOGADKO PETER
IPC: F02P15/00
Filed: 1988-07-08
Granted: 1992-08-04
Abstract: AN IMPROVED UNDER THE FLYWHEEL IGNITION SYSTEM            Abstract Of The Disclosure The  present  invention  is  directed  to  an improved capacitive discharge ignition system for a two cylinder internal combustion engine, such as an outboard marine engine.   The  system  is  adapted to be  located beneath the flywheel of the engine and has overspeed and overheat protection.   The overheat protection is of the type  which  is  automatically  deactivated  after  the overheat condition dissipates, but the deactivation will only  occur  when  the  operator  slows  the  engine to  a reduced speed before resuming normal operation.
Patent CA-1338607-C (CA)
Inventor: VERWEIJ JAN
IPC: C07D501/04
Filed: 1988-07-13
Granted: 1996-09-24
Abstract: A process is provided for the preparation of 3-methylene and 3-halomethylene cepham derivatives via 3-phos-phoniomethyl-3-cephem derivatives, which in turn can be prepared from 3-halomethyl-3-cephem derivatives. The prepa-ration can be carried out with or without isolating the intermediate phosphonium cephem compounds. The 3-methylene and 3-halomethylene cepham derivatives and in particular the 1-oxo and 1,1-dioxo cepham compounds are also prepared by reducing a 3-halomethyl-3-cephem derivative with activated metal, preferably zinc or magnesium.
Patent CA-1326232-C (CA)
Inventor: WAN CHUNG-ZONG
IPC: B01J27/053
Filed: 1988-07-25
Granted: 1994-01-18
Abstract: ABSTRACT OF THE DISCLOSURE     A catalyst comprises (a) an activated alumina, (b) a substantially water-insoluble bulk stabilizer present in an amount at least sufficient to stabilize the activated alumina against thermal degradation, and (c) one or more platinum group metal catalytic components.          The bulk stabilizer may be one or more of strontium sulfate or, preferably, barium sulfate.  A mixture of activated alumina (and/or activated alumina precursor) and bulk stabilizer particles, e.g., gamma-alumina particles and barium sulfate particles, may be slurried in an aqueous medium and coated onto a carrier substrate.  One or more platinum group metal catalytic components may be dispersed onto the activated alumina, e.g., it may be dispersed onto a mixture of activated alumina and bulk stabilizer.  The coated carrier substrate may be calcined in air to provide the catalyst.
Patent CA-1291050-C (CA)
Title: End adapter for flexible corrugated tube
Inventor: KRAMER VANCE M JR
IPC: F16L9/16
Filed: 1988-09-07
Granted: 1991-10-22
Abstract: ABSTRACT OF THE DISCLOSURE           A flexible corrugated tube containing an integral flared end adaptor is made by applying an uncured elastomer tube about a forming mandrel as well as a flared end mold. Corrugations having grooves and ribs generally exist along at least a portion of the forming mandrel usually in the form of  a  cured,  corrugated  elastomer  sleeve.  Optionally,  a portion of the flared end mold also has corrugations thereon. A cord is wrapped about the uncured tube thereby pressing the cord  into  the grooves  between the  corrugated ribs.  The elastomeric sleeve is then cured and the cord removed.
Patent CA-1305800-C (CA)
Title: Virtual address write back cache with address reassignment and cache block flush
Inventor: MORAN JOSEPH
IPC: G06F12/08
Filed: 1988-09-09
Granted: 1992-07-28
Abstract: ABSTRACT OF THE DISCLOSURE      Hardware and software improvements in workstations which utilize virtual addressing in multi-user operating systems with write back caches, including operating systems which allow each user to have multiple active processes.  In virtual addressing, multi-user workstations, system performance may be improved significantly by including a virtual address write back cache as one of the system elements.  The present invention describes an efficient scheme for supporting data protection and the reassignment of virtual addresses within such a system.  The invention features support for multiple active processes, each with its own virtual address space, and an operating system shared by those processes in a manner which is invisible to user programs.  Cache "Flush" logic is used to remove selected blocks from the virtual cache when virtual addresses are to be reassigned.
Patent CA-1336806-C (CA)
Inventor: MACK ROBERT J
IPC: A01K1/015
Filed: 1988-09-21
Granted: 1995-08-29
Abstract: A litter box package adapted especially for use by cats and other household animals which is comprised of a sheet of material folded into an open box-like configuration having side walls and a bottom.  The open top configuration is further foldable into a closed box configuration.  A liner is provided bonded to the bottom and includes a pad sandwiched between a liquid impermeable base sheet and a top sheet.  A container of animal litter particles, which is in the form of a closed bag or box, is packaged within the closed box configuration and is opened to fill the open-top box formed from the sheet of material after such has been opened to the open top configuration.
Patent CA-1309421-C (CA)
Title: Method for producing arylethylene
Inventor: SHIMIZU ISOO
IPC: C07C15/40
Filed: 1988-11-08
Granted: 1992-10-27
Abstract: ABSTRACT OF THE DISCLOSURE           A method for producing arylethylene comprising four steps of: (I) bringing 1,1-diarylethane into contact with an acid catalyst in the presence of an inert gas to crack said compound into arylethylenes and alkylbenzenes;          (II) separating the reaction mixture obtained in the above cracking step (I) into at least a fraction mainly containing 1,1-diarylethane; (III) bringing said fraction mainly containing 1,1-diarylethane into contact with hydrogen gas in the presence of a hydrogenation catalyst; and (IV) re-cracking hydrogenated fraction obtained in the preceding hydrogenation step (III) by bringing it into said cracking step (I).     Particularly, this method is useful for producing p-isobutylstyrene which is a starting material for preparing a valuable medicine of ibuprofen.