baber/WOPTO huggingface dataset:
Patent CA-2009446-A1 (CA)
Inventor: CLEARY JOHN J
IPC: B05D7/22
Filed: 1990-02-05
Abstract: ABSTRACT OF THE INVENTION      Apparatus and method for impregnating and sealing and simultaneously improving the tensile strength of pipeline or conduit buried in the ground.  The structure consists of a pair of axially spaced, deformable blocking and sealing devices whose  interval is appropriately maintained. One of the blocking devices or "pigs" conveys conduit for introducing air under pressure greater than surrounding hydrostatic pressure on the conduit exterior to the space between the blocking devices to force out water or contaminants and also means for introducing two parts of a compound to impregnate, seal and bond to the  interior conduit surface.  The structure is also provided with a camera chip on the "pig" which  contains the structure fur conveying the air and the parts of the compound for observation by remote camera of the operation.  The compound is a fast drying compound enabling relatively continuous operation by winching the structure along the conduit.  The method to be practiced involves first selectively sealing off a a section of conduit, than driving out the contaminating material by increasing the pressure within the sealed off section , and then spray in conical form the compound material and catalyst to quick dry and then axially moving on downstream in the conduit.  Fibre or sand may be added to the compound for strength and plugs may be used to seal lateral apertures.
Patent CA-2016883-A1 (CA)
Title: Pulsed laser
Inventor: ZIMMERMANN CLIFTON
IPC: H01S5/042
Filed: 1990-05-16
Abstract: - 5 -          O.Z. 0050/40811 Abstract of the Disclosure:  In order to generate pre-cisely square-wave laser light pulses, a laser diode is fed by a current pulse generator which comprises a timing pulse generator and a power stage, which is driven by the latter and which is followed by a single-pole driver stage of high current having a rise time of a few nano-seconds for the laser diode which is connected in the circuit of a battery of capacitors.
Patent CA-2019983-A1 (CA)
Title: Rotary waterwall combustor with improved tire attachment
Inventor: COLLINS WILLIAM G JR
IPC: F23G5/20
Filed: 1990-06-27
Abstract: ABSTRACT OF THE DISCLOSURE            An improved  attachment for positioning a rotary waterwall combustor within a tire 80 it rotational axis is fixed and the rotary waterwall combustor, the tire and the attachment  linkage    are  free  to  expand independently without  inducing  stresses  due  to  differential thermal expansion; the attachment linkage comprises a plurality of support blocks  attached to the rotary waterwall combustor and a plurality of support lugs attached to  the tire with a plurality of links pivotally connected to the blocks and lug with an  elongated  opening  cooperatively associated with one of the  pivotal connections to allow pivotal and axial movement and eliminate stresses caused  by differen-tial thermal expansion.
Patent CA-2022587-A1 (CA)
Inventor: RUTSCH WERNER
IPC: C07F9/6568
Filed: 1990-08-02
Abstract: Compounds of the formula I (see formula I) in which at least one of the radicals R1, R2 and R3 is a substituted alkyl radical or cycloalkyl radical, or R1 and R2 together with the phosphorus atom form a monocyclic or tricyclic ring, are effective photoinitiators for the photopolymerization of ethylenically unsaturated compounds.
Patent CA-2022921-A1 (CA)
Title: Edible composition
Inventor: HAKKAART MARCELLINUS J J
IPC: A23L9/20
Filed: 1990-08-08
Abstract: Abstract Compositions, enriched in denatured alpha-lactalbumin are obtained by a process for denaturing these lactalbumins and separating these from the undenatured protein. These compositions can be used as fat replacer in food compositions.
Patent CA-2024551-A1 (CA)
Inventor: LAVIOLA JOHN
IPC: A61B5/022
Filed: 1990-09-04
Abstract: Blood pressure measurements are performed on subjects disposed in hyperbaric chambers.  The measurements are made by an automatic blood pressure monitoring instrument having a differential pressure transducer component. The reference side of the pressure transducer is open to the pressure in the hyperbaric chamber.  A rotary vane pump is used to inflate the cuff with the inflation fluid supply from within the hyperbaric chamber, and exhaust from deflating the cuff is vented back into the hyperbaric chamber.
Patent CA-2027051-A1 (CA)
Inventor: FUJIWARA HARUO
IPC: H04B10/2507
Filed: 1990-10-05
Abstract: ABSTRACT OF THE DISCLOSURE          An optical repeater includes a first converter converting an optical input signal into an electrical signal, an equalizing amplifier which amplifies the electrical signal and which outputs an amplified electrical signal, and a timing extraction circuit which extracts a timing signal from the amplified electrical signal.  Also the optical repeater includes a phase inversion circuit which receives the amplified electrical signal in synchronism with the timing signal and which outputs a phase-inverted signal in synchronism with the timing signal.  The phase-inverted signal has a phase opposite to a phase of the amplified electrical signal.  Further, the optical repeater includes a second converter having a diffused laser diode and converting the phase-inverted signal into an optical output signal, and a supervisory signal extraction circuit which extracts a supervisory signal contained in the optical input signal from the phase-inverted signal.  The optical input signal includes a digital signal formed of a plurality of blocks.  Each block has data composed of (2m+1) bit (where m is an integer) and one-bit parity so that each block is formed of a (2m+1)BlP code having an even parity.
Patent CA-2030200-A1 (CA)
Title: Process for producing flexible printed circuit board
Inventor: ITO HIROSHI
IPC: C08L79/08
Filed: 1990-11-16
Abstract: ABSTRACT OF THE DISCLOSURE A process for producing a flexible printed circuit board comprising a metallic foil and a polyimide is provided, which comprises coating a metallic foil with a resin solution prepared by adding a tertiary amino compound to a solution of a polyamic acid (a polyimide precursor) represented by the following general formula (I):       ( I ) followed by the imidization thereof, the amount of said tertiary amino compound added to the solution being 10 to 50 parts by weight per 100 parts by weight of solid polyamic acid contained in said resin solution.  According to the present invention, a flexible printed circuit board Which is free from curling, wrinkling and warping, and which has excellent heat resistance, electrical characteristics  and mechanical properties is provided with a simplified production process.
Patent CA-2030646-A1 (CA)
Title: Process for producing expandable termoplastic microparticles
Inventor: ALLEN RICHARD B
IPC: C08J9/18
Filed: 1990-11-22
Abstract: (8CN-8429) ABSTRACT A process for producing expandable thermoplastic microparticles by melt compounding micropellets of a thermoplastic resin and then impregnating the micropellets with a blowing agent is disclosed.
Patent CA-2034025-A1 (CA)
Title: Fluid ophthalmic composition based on lipid microparticles containing at least one active principle
Inventor: ROZIER ANNOUK
IPC: A61P31/04
Filed: 1991-01-11
Abstract: There is described a fluid ophthalmic composition which comprises a suspension in a fluid dispersant medium of lipid microparticles containing at least one active principle. The composition enables improved availability of the active principle to be obtained as a result of high intraocular levels.
Patent CA-2034749-A1 (CA)
Title: Condensate recovery for steam injection
Inventor: DEN OTTER ANDREW J
IPC: F01K9/00
Filed: 1991-01-22
Abstract: CONDENSATE RECOVERY FOR STEAM INJECTION                ABSTRACT OF THE INVENTION     This invention relates to a process to improve the operation of a fossil-fuel fired turbine.         The process involves the condensation of water from the exhaust effluent of the turbine, and the subsequent injection of the recovered water back into the turbine.  The water is preferably injected after it has been treated to remove impurities and boiled to produced steam.
Patent CA-2041283-A1 (CA)
Inventor: YAMAO YASUSHI
IPC: H04L1/02
Filed: 1991-04-26
Abstract: ABSTRACT OF THE DISCLOSURE      An antenna selection diversity receiver system for TDM  receive  signal  switches  antennas  (1,2)  for  every assigned  time  slots  so  that  the  best  receive  signal quality is obtained in said assigned time slot according to the prediction by using the signal quality just before said assigned time slot. The prediction of signal quality is carried out according to the receive level  (R1, R2), and the slope of the same of each of the antennas just before the assigned time slot. Said signal quality may be average code error rate, receive level at the center of the assigned slot,  or the minimum receive level in the assigned  slot.  The  prediction  is  carried  out  either through  linear  prediction  or  non-linear  prediction. Because of prediction of receive signal quality by using the information just before each assigned time slot, and switching of an antenna for every assigned slots according to the prediction, an excellent receive signal quality is obtained by an effect of diversity system even in high rate fading.
Patent CA-2041504-A1 (CA)
Title: Permanent mold casting powdery mold releasing agent
Inventor: HANANO TAKASHI
IPC: C10M111/02
Filed: 1991-04-30
Abstract: ABSTRACT      The present invention provides a permanent mold casting mold releasing agent comprising a mixture of a mold releasing base material, composed of an inorganic compound, and an organic compound.  The base material acts as a lubricant and the organic material acts as an adhesive for the base material.  At least the mold releasing base material is in the form of a powder or granules.  The mold releasing agent allows the production of castings of high quality, in a permanent mold casting process, with good workability and without producing environmental problems.
Patent CA-2042434-A1 (CA)
Title: Quantification of fibrinogen in whole blood samples
Inventor: WARDLAW STEPHEN C
IPC: G01N33/49
Filed: 1991-05-13
Abstract: INVENTORS: Robert A. Levine Allan H. Hart Stephen C. Wardlaw TITLE: "QUANTIFICATION OF FIBRINOGEN IN WHOLE BLOOD SAMPLES"           DOCKET NO: H-1179 ABSTRACT OF THE DISCLOSURE        Quantification of blood plasma fibrinogen content is made in a sample ofanticoagulated whole blood contained in a sampling tube.  The tube is a transparent centrifuge tube which contains a sample constituent layer-elongating float.  The blood sample is centrifuged in the tube containing the float, and various cell constituent measurements are made. The centrifuged sample is then heated and recentrifuged to cause the precipitated fibrinogen to layer out on top of the float remote from the buffy coat band in the plasma layer.  The thickness of the fibrinogen band is then measured, whereby quantification of the fibrinogen content of the blood sample can be made by a precalibrated instrument.
Patent CA-2042551-A1 (CA)
Title: Closure cap for infusion or transfusion bottles
Inventor: SCHUMACHER CLEMENS
IPC: B65D45/32
Filed: 1991-05-14
Abstract: ABSTRACT OF THE DISCLOSURE       The present invention relates to a closure cap (V) for infusion or transfusion bottles, having a stopper (6) which is adapted to the bottle neck (3) and is extended over by a cap (8) which is anchored by undergripping on the bottle neck (3), and it proposes in order to obtain a solution which is particularly advantageous from a structural standpoint, that the undergripping of the cap (8) is obtained by resilient individual tongues (10) which are secured in the undergrip position by resting by means of a sliding ring (15) surrounding them, the support means serving at the same time to secure the sliding ring (15) in its support position.
Patent CA-2042868-A1 (CA)
Title: Bacillus thuringiensis microbes active against nematodes, and genes encoding novel nematode-active toxins cloned from bacillus thuringiensis isolates
Inventor: NARVA KENNETH E
IPC: A01N63/02
Filed: 1991-05-17
Abstract: Abstract The subject invention concerns novel isolates of, and genes from, Bacillus thuringiensis (B.t.) which express toxins having nematicidal activity. Also described are methods for controlling nematodes and flukes.
Patent CA-2043085-A1 (CA)
Title: Water soluble tea extracts
Inventor: LEE ELDON C
IPC: A23F3/16
Filed: 1991-05-23
Abstract: Abstract Water soluble tea extracts A process for the preparation of water-soluble tea extracts from spent tea residues formed during the hot aqueous extraction of tea leaves in the production of water-soluble tea extracts which comprises hydrolysing the said spent tea residues with cellulase in an aqueous medium.
Patent CA-2043817-A1 (CA)
Title: Process and intermediates for beta-lactams having aminothiazole (iminooxyacetic acid) acetic acid sidechains
Inventor: DENZEL THEODOR
IPC: A61K31/425
Filed: 1991-06-04
Abstract: GC279 ABSTRACT PROCESS AND INTERMEDIATES FOR BETA-LACTAMS HAVING AMINOTHIAZOLE (IMINOOXYACETIC ACID)ACETIC ACID SIDECHAINS Disclosed herein are processes for preparing a compound of the formula in which a novel compound of the formula is reacted with a beta lactam of the formula by treatment with a base, wherein the symbols are as defined in the specification.
Patent CA-2045871-A1 (CA)
Title: Process and apparatus for deformation of solid thermoplastic polymers and related products
Inventor: FRANCOEUR JACQUES R
IPC: B29C48/30
Filed: 1991-06-27
Abstract: ABSTRACT A process, apparatus and product related to extrusion or other deformation of solid thermoplastic polymers includes using a die or other deformation devices that have an interior passageway of changing cross-sectional shape commencing with an inlet of compact cross-section and ending with an outlet corresponding to the angular shape of the final extruded profile. The die passageway is divided into at least two consecutive stages including a first stage having an interior contour adapted to transform the polymer billet at a low deformation ratio into an intermediated cross-sectional shape proportional in shape to, but greater in cross-sectional area than, the final angular shape and a second stage having an interior contour adapted to transform the intermediate shape to the desired final shape with substantial longitudinal orientation of the polymer, but without substantial lateral shear deformation.
Patent CA-2048803-A1 (CA)
Title: Cased telescoped ammunition
Inventor: DUKE STEVEN R
IPC: F42B5/045
Filed: 1991-08-08
Abstract: Dct. No. 62-AR-2306 ABSTRACT OF THE DISCLOSURE        A simplified cased telescoped round of ammunition utilizing a control tube for (i) a full bore projectile or (ii) an APDS sabot projectile (i.e., not a long rod sabot projectile), and to provide such a cased telescoped round of minimalized length.  A cased telescoped round with a minimalized number of parts to make up the assembly and wherein the control tube is integral with the aft seal and itself retains the projectile.  A cased telescoped round with an APDS sabot projectile with minimalized potential balloting and minimalized control tube launch stroke length.  A cased telescoped round having a control tube which is integral with the aft seal and itself retains the projectile against loose forward movement.
Patent CA-2049828-A1 (CA)
IPC: A47L15/50
Filed: 1991-08-26
Abstract: ABSTRACT OF THE DISCLOSURE    A silverware basket for use in a dishwasher, the silverware basket having a rear wall, a water pervious front wall spaced from the rear wall, a water pervious bottom wall connecting the front and rear walls and a plurality of upper and lower dividers extending between the rear wall and the front wall to provide a substantially solid upper and lower barrier between the front and rear walls.  The combination of the upper divider and lower divider define a substantially vertical plane or wall bounded by the rear wall, the bottom wall, the front wall and a top of the front wall, wherein a minority of an area of the plane or wall is solid.  In the preferred embodiment, the dividers are formed integrally with and project from the rear wall toward and engage with the front wall.  The lower divider is also formed integrally with the bottom wall.
Patent CA-2050452-A1 (CA)
Title: Integrally formed fuel rail/injectors and method for producing
Inventor: HICKEY JOHN C
IPC: F02M51/06
Filed: 1991-08-30
Abstract: ABSTRACT OF THE DISCLOSURE A plastic molded fuel rail includes a plurality of core fuel injector assemblies molded within the fuel rail.  Each core fuel injector assembly includes a magnetic core, electrical coil bobbin having electrical contacts extending therefrom, and axial fuel passageway. The magnetic core, coil bobbin assembly, and electrical contacts are hermetically sealed from the fuel passageways.  An armature and sleeve including a needle and seat valve are inserted into the core fuel injector assemblies to provide fuel injectors.
Patent CA-2050665-A1 (CA)
Title: Fiber treatment agent composition
Inventor: OZAKI MASARU
IPC: D06M15/65
Filed: 1991-09-04
Abstract: The present invention provides a fiber treatment emulsion composition which can make animal fibers (mainly wool) resistant to the shrinkage arising from water-based laundering.  The composition forms a strong, solid film by reaction among the base material, crosslinker, and colloidal silica as the water evaporates.  These effects are reinforced by binding between the functional groups present in the fiber and such functional groups as the aminoalkyl groups bonded in the organopolysiloxane base material, the silanol groups bonded in the colloidal silica, and the amino, epoxy, methacryloxy, or acryloxy groups bonded in the crosslinker.
Patent CA-2051759-A1 (CA)
Inventor: TANAKA MASATO
IPC: G11B23/28
Filed: 1991-09-18
Abstract: A tape cassette includes one or more manually settable slider elements that are detected to prevent erroneously erasing information recorded on the cassette.      The element slides in a through hole in the cassette case and includes stop surfaces that limit the travel of the slider element by cooperating with protrusions or shoulders that are formed by the respective half cases making up the cassette case. The slider element also includes a click-stop protrusion that cooperates with a protrusion in the through hole that is formed in only one of the two half-cases.       The slider element further includes a through slot that permits deformation of the slider element as the click-stop protrusion goes over the protrusion in the through-hole, thereby requiring less force to move the element. The stop surfaces can be formed by two spaced apart protrusions that also permit deformation of the slide element as the click-stop protrusion travels past the protrusion in the through-hole.
Patent CA-2052742-A1 (CA)
Title: Dewatering compositions and processes
Inventor: MCGROW GEORGE
IPC: C02F1/54
Filed: 1991-10-03
Abstract: ABSTRACT             Dewatering Compositions and Processes Sewage sludge and other organic suspensions are prepared for filter press or belt press dewatering by substantially simultaneous treatment with a cationic coagulant polymer and a cationic flocculant polymer.  A novel composition comprising a dry blend of the two polymers can then be formed to provide a combined solution for mixing with the suspension.
Patent CA-2058151-A1 (CA)
Inventor: NISHIOKA TAKAO
IPC: C04B35/593
Filed: 1991-12-19
Abstract: Disclosed is a silicon nitride sintered body produced by subjecting a green compact of a mixed powder composed of 1) a silicon nitride powder having a percentage a crystallization of 93% or more and a mean grain diameter of 0.7 µm or less and 2) 5 to 15% by weight in total of a first sintering aid selected from among rare earth element, yttrium oxide and lanthanide oxides and a second sintering aid consisting of aluminum oxide or nitride and at least one selected from among oxides and nitrides of Mg, Ca and Li, to primary sintering in a nitrogen gas atmosphere under a pressure of 1.1 atm or less at 1500 to 1700 °C; and subjecting the sintered body to secondary sintering in a nitrogen gas atmosphere under a pressure of 10 atm or more at the primary sintering temperature or below, thereby giving a sintered body wherein the relative density of the sintered body is 99% or more and the precipitation ratio of an .alpha.-Si3N4 (including .alpha.'-sialon) crystal phase to a .beta.-Si3N4 (including .beta.'-sialon) crystal phase ranges from 1 : 3 to 1 : 8 in terms of the peak intensity ratio in X-ray diffraction.
Patent CA-2059241-A1 (CA)
Title: Bi-mode high voltage resonant power supply
Inventor: CATHELL FRANKLIN J
IPC: H02M7/06
Filed: 1992-01-13
Abstract: ABSTRACT OF THE DISCLOSURE A capacitor-charging series resonant mode, high voltage power supply (SRMPS) (10) operates in one of two modes as controlled by a control circuit (36).  The SRMPS includes a switching network (30) that alternately applies a positive and negative voltage to a series resonant circuit that includes the primary winding (14) of a power transformer (12).  The switching action occurs at a fixed frequency above the audible range that is approximately the resonant frequency of the series resonant circuit.  The switching action causes sine wave quantums of current of alternating phase to flow through the primary winding.  Secondary windings (16) of the transformer are coupled through a suitable rectifying network (18) to charge a load capacitor CL to a high voltage.  During a first mode of operation, the load capacitor is charged at a maximum rate.  During a second mode of operation, the load capacitor is charged only as needed to maintain a desired charge thereon.  Switching between the two modes occurs automatically depending upon the capacitive load requirements of the SRMPS.  The first mode operates with a control loop open, and is used when initially charging the load capacitor.  The second mode operates with the control loop closed, at a low duty cycle, and allows only a small sliver of the front end of the sine wave current quantum to flow through the primary winding.
Patent CA-2059459-A1 (CA)
Title: Method and apparatus for the transport of a homogeneous mixture of chopped fibers
Inventor: NATHOO NAZIM S
IPC: D04H1/72
Filed: 1992-01-16
Abstract: ABSTRACT   METHOD AND APPARATUS FOR THE TRANSPORT OF A HOMOGENEOUS MIXTURE OF CHOPPED FIBERS      A method and apparatus are disclosed for the transport of a mixture of chopped fibers, wherein the fibers remain in a homogeneously mixed condition during their transport from a chopper gun to a workpiece, by use of two transvectors placed in series with a conduit attached therebetween.
Patent CA-2060334-A1 (CA)
Title: Rf in situ heating of heavy oil in combination with steam flooding
Inventor: SUPERNAW IRWIN R
IPC: E21B43/24
Filed: 1992-01-30
Abstract: Abstract of the Disclosure (D#79,509-F) A subterranean hydrocarbon-bearing formation is preheated by application of RF energy to the formation so that subsequent steam flooding will more effectively sweep the hydrocarbons from the formation without steam override occurring.
Patent CA-2062477-A1 (CA)
Title: Heat recovery ventilator
Inventor: CHAGNOT CATHERINE J
IPC: F24F3/14
Filed: 1992-03-06
Abstract: A heat recovery ventilator having a rotary wheel heat exchanger included a unique configuration for driving both the rotary wheel heat exchanger and impellers to provide an inexpensive, compact and light-weight ventilator unit adaptable for use across a wide range of residential, commercial and industrial applications. A random matrix media is also used to provide high thermal efficiency in exchanging heat and moisture between inlet and exhaust air streams.