baber/WOPTO huggingface dataset:
Patent CA-2263033-A1 (CA)
Inventor: GOGGIN ANNE C
IPC: B01F13/00
Filed: 1999-02-25
Abstract: A cyclonic liquid circulator is described in which a plurality of pontoons extend substantially radially from a base and with respect to a central axis passing through the base. A drive mechanism is mounted on the base that is drivingly connected to an impeller for rotating the impeller about the central axis. The base and pontoons are configured to rest on a liquid surface with the pontoons engaging the liquid and forming wedge shaped spaces between successive pontoons. The impeller is rotated by the drive mechanism about the central axis to produce a cyclonic current of liquid directed toward the base.  The pontoons are configured to direct the cyclonic current radially away from the base through the wedge shaped spaces.
Patent CA-2264222-A1 (CA)
Inventor: LAIRD DAVID NORMAN
IPC: B60C29/06
Filed: 1999-02-26
Abstract: A tire valve stem having an integral pair of O-rings over which a pressure gauge or other device can be mounted by sliding a mating collar provided on the device over the O-rings. The O-rings provide an air-tight seal against the collar, and allow the device to rotate relative to the stem, either during or after mounting, to position the device anywhere within a 360° arc around the stem. The O-rings are located on either side of an orifice which extends through the valve stem, beneath the valve. Air passes from the pressurized valve stem, through the orifice, into an air-tight region between the O-rings, valve stem and collar. A port in the collar allows air to pass through the collar from the air-tight region into the device. A wide variety of devices equipped with collars capable of air-tight, slidable mounting over the O-rings can be provided, such as pressure transducers, pressure sensors, temperature gauges, temperature transducers, tem-perature sensors, or air conduits for coupling to remote equipment.      Any such device can quickly and easily be interchanged with a device previously mounted on the valve stem by sliding the previously mounted device's collar off the valve stem, then sliding another device's collar over the O-rings. For initial shipping purposes, a plain collar having no port and no device can be slidably mounted over the O-rings to prevent air passage beyond the air-tight region. The end user can quickly and easily replace the plain collar with a collar-equipped device suited to a particular application.
Patent CA-2265192-A1 (CA)
Inventor: HOOLE RICHARD STEVEN
IPC: H03M1/12
Filed: 1999-03-09
Abstract: A signal-processor, applicable especially to an analogue-to-digital conversion system, employs an inexpensive device (ADC 40) having a high temperature coefficient and enhances its temperature performance by, in an initial calibration phase, measuring the output of the device for a temperature-stable reference-signal (2V5) applied to its input and, in a subsequent measurement and compensation phase and at substantially the same ambient temperature, measuring the output for the same reference signal applied to the input and measuring the output for an input signal (Va) applied to the input.  The digital input-signal reading is then corrected in dependence on a comparison of the two reference-signal readings which appeared at the output of the device. When used in a voltage- and current-measuring ADC arrangement, a stereo differential-input ADC unit (40) is advantageously employed together with voltage and current transformers (44, 45) having centre-tapped secondaries, the centre taps being fed from a signal related to the temperature-stable reference signal (2V5).
Patent CA-2267770-A1 (CA)
Title: A radio telephone with high antenna efficiency
Inventor: MARTENSSON DAG JOHAN FREDRIK
IPC: H04B1/38
Filed: 1997-10-28
Abstract: A radio telephone, preferably intended for cellular telecommunication, has an apparatus housing (20) and at least one antenna (21), which is mounted to or in connection with the apparatus housing for performing the wireless communication of the radio telephone by transmitting and receiving radiofrequent electromagnetic waves in a given wavelength range. A current-reducing means (30, 31) is mounted to the apparatus housing (20) between the antenna (21) and a side (23) of the radio telephone, which during normal use faces a human user (1). The means has conductive as well as dielectric properties and is arranged to reduce or eliminate electric currents present in and/or on the apparatus housing (20) between the antenna (21) and said side (23) of the radio telephone.
Patent CA-2268535-A1 (CA)
Title: Local anesthetic for external use
Inventor: MADA AKIRA
IPC: A61K47/38
Filed: 1997-10-06
Abstract: A local anesthetic for external use is prepared by blending a) an active ingredient selected from lidocaine, prilocaine, and pharmaceutically acceptable salts thereof, b) a percutaneous absorption accelerator, c) ethanol and/or isopropyl alcohol, and d) water such that the blending ratio of ethanol and/or isopropyl alcohol to water is preferably 0.5 to 1.2 in weight, and pH  is preferably adjusted to be 6.0 to 8.5. Thus the percutaneous absorption type local anesthetic for external use is provided, which is conveniently used when it is applied and peeled off, which is applicable to a broad skin surface, and which is excellent in percutaneous absorption and quick efficacy as well as excellent in stability.
Patent CA-2269550-A1 (CA)
Title: Slurry and method for producing refractory boride bodies and coatings for use in aluminium electrowinning cells
Inventor: SEKHAR JAINAGESH A
IPC: C25B3/28
Filed: 1997-10-20
Abstract: A refractory boride body or coating made of a boride of titanium, chromium, vanadium, zirconium, hafnium, niobium, tantalum, molybednum and cerium is produced from a slurry of the refractory boride or a precursor in a colloidal carrier preferably composed of two or more different grades of the same colloidal carrier selected from colloidal alumina, yttria, ceria, thoria, zirconia, magnesia, lithia, monoaluminum phosphate and cerium acetate. The slurry can also comprise an organic additive selected from polyvinyl alcohol; polyacrylic acid; hydroxy propyl methyl cellulose; polyethylene glycol; ethylene glycol, butyl benzyl phthalate; ammonium polymethacrylate and mixtures thereof. The refractory boride body or coated body is useful as a component of aluminium electrowinning cells.
Patent CA-2274231-A1 (CA)
Inventor: MCCORMACK ANN L
IPC: C08J5/18
Filed: 1997-12-17
Abstract: The present invention relates to uniaxially oriented microporous breathable films of exceptional toughness transverse to the direction of orientation.  Such films include a particulate filler and a nonelastic material including a copolymer of ethylene with at least one C4-C8 .alpha.-olefin monomer, such copolymers being described in the trade as "super tough", "next generation", etc., and being prepared with "new" or "improved" catalyst systems or with metallocene or similar single-site catalysts. A method of manufacture is also disclosed.
Patent CA-2279913-A1 (CA)
Inventor: DIEHL DAVID F
IPC: D04H1/64
Filed: 1997-02-07
Abstract: A nonwoven fabric of chemically bonded non-cellulose fibers having improved wet tensile properties. The fabric includes a random arrangement of non-cellulose fibers and an essentially formaldehyde free latex binder. The latex binder contains at least about 6.7 wt.% vinyl cyanide monomer to bond the non-cellulose fibers and form a nonwoven fabric having at least a 10 % improvement in wet tensile strength over a comparable nonwoven fabric having a latex binder essentially free of formaldehyde and free of vinyl cyanide monomer in the monomeric mixture.
Patent CA-2280368-A1 (CA)
Inventor: KARSNIA JOHN J
IPC: B25F1/00
Filed: 1999-08-18
Abstract: The invention is a combination construction tool for hammering, manipulating lumber, setting masonry materials into mortar and for creating apertures in hard roofing materials. The inventive device includes a handle, a hammerhead attached to an end of the handle having a claw and a striking head, and an optional striking cap attached to the distal end of the handle, and a jaw attached to the handle in opposition to the claw of the hammerhead. The claw has a pick member for creating apertures in roofing materials. The distal space between the claw and the jaw is formed to fittingly engage a piece of lumber to be manipulated. After engaging the piece of lumber between the claw and the jaw, the user leverages the handle to rotate the lumber into the desired position. The jaw may also include at least one tooth for gripping the piece of lumber.
Patent CA-2281271-A1 (CA)
Title: Array antenna reception apparatus
Inventor: MARUTA YASUSHI
IPC: H04B7/10
Filed: 1999-09-01
Abstract: An array antenna reception apparatus includes an array antenna, K adaptive receivers, and demodulated signal synthesizer. The array antenna has M (M is an integer of 1 or more) antenna elements linearly laid out on each side (sector) of a polygon having K (K is an integer of 3 or more) sides. Each adaptive receiver receives reception signals from the M antenna elements for a corresponding sector, independently forms a directional pattern having a gain in a desired signal direction for the sector, receives a desired signal, and suppresses an interference signal. The demodulated signal synthesizer receives K demodulated signals as outputs from the K adaptive receivers, weights and synthesizes the signals, and outputs a demodulated signal for a user.
Patent CA-2283873-A1 (CA)
Title: Modular assembly-type stand with earthquake-proof retention means, particularly for storage batteries and the like
Inventor: SCHNEID HANS JORG
IPC: H01M50/242
Filed: 1999-01-05
Abstract: A modular assembly-type stand with earthquake-proof retention means, particularly for storage batteries and the like, comprising a supporting framework (1) provided with supporting side plates (2) joined by stringers (3, 5) which form a region for supporting storage batteries and the like, and a retention frame (10) which is supported by the supporting framework (1) and can be secured against a median portion of the vertical extension of the storage batteries supported by the stringers.
Patent CA-2285506-A1 (CA)
Inventor: SEREGELYI JOSEPH S
IPC: F41H11/136
Filed: 1999-10-07
Abstract: A hybrid remote-sensing apparatus is based on an active high-power microwave (HPM) illuminator and a passive infrared (IR) detector for the detection of shallow buried landmines. A 2.45 GHz, 5 kW microwave source is used for illumination and the thermal signature at the soil surface is detected in the 8-12 µm region both in near real-time as well as after a brief time-delay following illumination. The thermal signature at the soil surface is primarily made up of two components. A thermal signature occurs at the soil surface in near real-time due to the interference of the incident beam and the beam reflected by buried mines. A second thermal signature is generated when temperature contrasts due to differential microwave absorption by a mine and the surrounding soil are conducted upwards from that mine location to the surface. Both signatures are dependent on the complex dielectric constants of mines and the soil. These signatures can be used to determine the location of different types of metallic and non-metallic mine surrogates, dummy mines without explosives and live mines with explosives.
Patent CA-2286207-A1 (CA)
Title: Prevention of breast cancer with selective estrogen receptor modulators
Inventor: GLASEBROOK ANDREW LAWRENCE
IPC: A61P35/00
Filed: 1998-04-07
Abstract: The present invention provides a method of preventing breast carcinoma or cancer in a patient comprising administering a therapeutically effective amount of a compound having the structure (I) in which R1 and R2 are independently hydroxy or alkoxy of one to four carbon atoms; and R3 and R4 are independently methyl or ethyl, or R3 and R4, taken together with the nitrogen atom to which they are attached, form a pyrrolidino, methyl-pyrrolidino, dimethylpyrrolidino, piperidino, morpholino, or hexamethyleneimino ring.
Patent CA-2286562-A1 (CA)
Title: Machine pour la pose en continu de fils sur des poteaux successifs
Inventor: GENTAY HUBERT
IPC: E04H17/26
Filed: 1998-04-10
Abstract: Selon l'invention, cette machine (1) comprend au moins une bobine freinée (14), contenant le fil (2) à poser; au moins un galet (13) susceptible de recevoir, engagé autour de lui, le fil (2) dévidé par la bobine (14) et d'orienter ce fil (2) de manière adéquate en vue de la pose, et des moyens (35) permettant de déplacer ce galet (13) entre une position effacée, dans laquelle ce galet (13) est situé en deça du plan défini par deux supports (3) consécutifs, et une position sortie, dans laquelle ce galet (13) est situé audelà de ce plan.
Patent CA-2287179-A1 (CA)
Title: Method for electroplating metallic and non-metallic endless products and device for carrying out said method
Inventor: HELLER JOERG
IPC: C25D7/06
Filed: 1998-04-15
Abstract: A process for electroplating metallic or non-metal-lic continuous products with metals or alloys in a continu-ous process from aprotic electrolytes free of water and oxygen, wherein the continuous product is passed through a lock system (1) into an encapsulated coating plant under inert gas atmosphere, and the following steps are performed at temperatures of <=120°C: - activating the continuous product to be coated; - rinsing the continuous product to be coated; - contacting the continuous product to be coated; - electroplating the continuous product to be coated us-ing a metal or metal alloy; - drying the coated continuous product; - discharge of the coated continuous product from the plant through a lock system.      The invention is also directed to a device for per-forming said process.
Patent CA-2287722-A1 (CA)
Inventor: YANO YASUSHIGE
IPC: H01L31/02
Filed: 1999-10-28
Abstract: In order to reduce errors in sensing an image position derived from noise light such as background noise, a semiconductor image position sensing device is provided with a photoelectric layer generating a photoelectric current in a portion onto which light was input in response to intensity of the light input to the photoelectric layer, a resistance layer laminated on the photoelectric layer in which the photoelectric current generated in the photoelectric layer flows into a portion corresponding to that onto which the light was input, and signal current output terminals wherein the photoelectric current generated in the photoelectric layer is distributed in a ratio in response to a resistance value between the signal current output terminals and the resistance layer defined at a position where the photoelectric current flowed into the resistance layer and from which the photoelectric current is output as an electric current obtained by summing currents over the whole sensing sections altogether, comprising further a resistance subtracting a photoelectric current having a predetermined distribution of electric current density from photoelectric currents generated in respective portions of the photoelectric layer over the whole sensing sections, and the photoelectric current subtracted by means of the resistance being adapted to flow into the resistance layer.
Patent CA-2294436-A1 (CA)
Title: Simplified sequential chemiluminescent detection
Inventor: AKHAVAN-TAFTI HASHEM
IPC: C12Q1/42
Filed: 1999-04-16
Abstract: A method for sequential chemiluminescent detection of two differently labeled analytes on a single blot is described. In the method, a uniquely labeled DNA is detected with a horseradish peroxidase (HRP) substrate followed by the detection of another uniquely labeled DNA with a second different enzyme substrate which also inhibits the chemiluminescence generated by HRP. The sequential detection method described herein eliminates the need to strip and reprobe Southern, Northern and Western blots. Potential applications of this method include forensic DNA fingerprinting where more than one probe is used for probing a Southern blot, multiplex DNA sequencing of more than one template, detection of gene rearrangements, mutations and gene linkage.
Patent CA-2297461-A1 (CA)
Inventor: KOURTIDIS KONSTANTINOS
IPC: A61F13/58
Filed: 1998-07-30
Abstract: The invention relates to a mechanical fastening element comprising a multiplicity of flexible hook elements emanating from a backing layer (1) and comprising stems (2) terminating in hook heads (3), said fastening element being releasably engageable with a complementary mechanical fastening element, the top portions of the hook heads (3) and/or at least part of the interstitial spaces (4) between the stems (2) of said fastening means being coated with a hot-melt pressure-sensitive adhesive (5) so that the level of the adhesive in the interstitial spaces (4), where present, does not exceed the length of the stems (2), and so that essentially no adhesive bridges are present between adjacent hook heads (3), said hot-melt pressure sensitive adhesive (5) having a viscosity as measured at the coating temperature of between 2,000 and 18,000 mPa-s.
Patent CA-2302733-A1 (CA)
Inventor: GARLICK STEVEN
IPC: G03B27/08
Filed: 1998-09-04
Abstract: A system for producing prints of a professional motion picture film by dye transfer, including a roll tank (42), a pin belt (70), and a transfer cabinet (48). A dye imbibed matrix film (14) and blank film (12) are superimposed together in a predetermined registration by rollers (56-64) in the roll tank, creating a two-film sandwich (16), which is directed onto the pin belt (70). The pin belt (70} includes a plurality of pins (71) traveling in an orbital path (72), which detachably engage the two-film sandwich (16), thereby directing the two-film sandwich (16) along a portion of the orbital path (72). The transfer cabinet (48) includes a plurality of relatively large diameter rollers (86-92) in a predetermined relationship to one another, and an elevator mechanism for adjusting the predetermined relationship. The rollers (86-92) define a substantially rectilinear film path along which the two-film sandwich (16) from the pin belt (70) is directed. The film path (94) has a length sufficient to allow complete dye transfer to occur at high drive speeds within the transfer cabinet (48). The two-film sandwich (16) is then stripped apart. The blank film (12) may be directed through three dye transfer systems in a continuous path, a single color dye being applied by each system to produce a three color finished print.
Patent CA-2304969-A1 (CA)
Inventor: PEDERSEN EJVIND JERSIE
IPC: A61K8/44
Filed: 1998-09-28
Abstract: A mouth hygienic composition effective in treating halitosis. The composition comprises a chelate comprising a metal ion, preferably a zinc ion, and an amino acid, preferably glycine.
Patent CA-2310168-A1 (CA)
Inventor: VAL ANGEL CEAMANOS
IPC: E06B9/322
Filed: 2000-05-30
Abstract: Operation mechanism for venetian blinds which simultaneously tries to reduce the size of the mechanism and to increase its simplicity and the sturdiness of its component parts, for which the transmission system from the input tubular cogwheel, operated by the tubular control rod by a cardan joint in order to adjust the inclination of the vanes, consists of a second cogwheel of a considerably smaller diameter which engages the former and which is coaxial to a spindle which acts on the output cogwheel, which is keyed to the shaft which turns the vanes.
Patent CA-2310193-A1 (CA)
Title: Fuel processor temperature monitoring and control
Inventor: DOAN TIEN M
IPC: H01M8/06
Filed: 2000-05-29
Abstract: In a fuel cell system fuel processor, the temperature of a gas stream is monitored between a discharge end of a heater and the inlet of a catalytic reactor. The monitored temperature is compared to one or more preselected values. In one embodiment, the method of the invention monitors one or more of the following conditions: a relatively low temperature value of the gas stream; a relatively high temperature value of the gas stream; and a rate-of-change of monitored temperature.      In a preferred embodiment, the rate of temperature change is monitored to prevent the occurrence of an unacceptably high or low temperature condition. Here, at least two temperatures of the recirculating gas stream are monitored over a period of time. The rate-of-change of temperature versus time is determined. Then the monitored rate-of-change of temperature is compared to a preselected rate-of-change of value. The monitoring of rate-of-change of temperature provides proactive means for preventing occurrence of an unacceptably high temperature in the catalytic reactor.
Patent CA-2310209-A1 (CA)
Title: Method for manufacturing aluminum hydroxide powder
Inventor: MIZOE TOSHIYUKI
IPC: C01F7/023
Filed: 2000-05-29
Abstract: The present invention provides a method for manufacturing aluminum hydroxide powder highly fillable in a resin as a filler, comprising the step of grinding raw aluminum hydroxide using a kneader mixer.
Patent CA-2310944-A1 (CA)
Inventor: LISTE MATTHEW
IPC: H04L12/26
Filed: 2000-06-02
Abstract: A method and apparatus for determining the history of at least one network device (the "given device") in a set of channel-based network devices coupled to a network maintains a history memory to generate a history of the given device. To that end, the current status of the given device is recorded in the history memory at one or more selected times. The current status is retrieved at the selected times from a registration memory that has the current status of the given network device. A reply message with device data relating to the given device responsively is generated in response to receipt of an inquiry message requesting information about the given device. The device data represents at least one of the current status and the history of the given device.
Patent CA-2311961-A1 (CA)
Title: Slotted monolithic optical waveguides
Inventor: CLAPP TERRY VICTOR
IPC: G02B6/122
Filed: 2000-06-19
Abstract: An optical waveguide phase adjuster with enhanced sensitivity for instance for use in a Mach Zehnder has a monolithic integrated optics waveguide across which one or more thin, e.g. 10µm, slots are made. The slots are filled with material whose refractive index varies strongly with temperature or applied field. The insertion loss of such a slot is small for thicknesses of less than about 25µm, but begins to rise ever more rapidly thereafter.
Patent CA-2312108-A1 (CA)
Title: Vehicle door prop clip for vehicle hinge with split pins
Inventor: KALLIOMAKI ERIC
IPC: E05D11/06
Filed: 2000-06-21
Abstract: A vehicle door hinge-mounted prop clip for a vehicle hinge with split pins, comprises first and second interference lobes defining an undulating circumferential edge, said interference lobes being adapted to sequentially releasably contact a portion of the hinge as the door is rotated about first and second axial hinge pins from a closed position to an open position, said contact releasably compressing said interference lobes severally or simultaneously and generating sufficient frictional resistance to releasably hold the door in a partially or fully open position.
Patent CA-2313086-A1 (CA)
Title: Highly non-linear single mode waveguide
Inventor: NOLAN DANIEL A
IPC: H04B10/135
Filed: 1999-01-07
Abstract: Disclosed is a single mode optical waveguide fiber having a core region refractive index profile designed to provide a highly non-linear refractive index. The core index profile of the highly non-linear waveguide is an .alpha.profile which has pre-selected values of relative refractive index and core diameter so as to retain the advantageous optical waveguide properties of low attenuation, properly placed zero dispersion and cut off wavelengths, low, positive total dispersion over a pre-selected wavelength range, and low dispersion slope.
Patent CA-2313730-A1 (CA)
Title: Flexible skate
Inventor: POWELL DAVID A
IPC: A63C17/00
Filed: 2000-07-07
Abstract: A skate including a boot having a toe portion and a heel portion and wherein a first skate frame is attached to the heel portion and a second skate frame is attached to the toe portion wherein the frames move independently of each other from flexural movement of the boot.