baber/WOPTO huggingface dataset:
Patent CA-2236741-A1 (CA)
Inventor: SONNENBERG BERT
IPC: A01G11/00
Filed: 1998-06-01
Abstract: The present invention provides for a soil sterilizer and a method for sterilizing soil. The sterilizer comprises a steam generator, tilling device with a ramp for raising a top layer of soil and blades on a rotatable shaft for lifting the soil and projecting it through the air. The steam contacts the soil as it passes through the air and heats it to a temperature sufficient to kill pathogens in the soil. The soil is treated under a hood which keeps the steam in a contained space and allows the soil to heat up to the temperature of the steam.
Patent CA-2237032-A1 (CA)
Title: Process for producing the drawn molded article of a fluoroplastic
Inventor: KANAMOTO TETSUO
IPC: B29C48/05
Filed: 1998-05-06
Abstract: A process for producing a fluoroplastic drawn molded article is disclosed in which a fluoroplastic molded article is brought into contact with a heating medium set at a temperature exceeding the static melting point of the molded article and drawn at a temperature at which the molded article does not substantially melt. The fluoroplastic drawn molded article produced in accordance with the present invention is significantlly improved in physical properties such as tensile strength and tensile modulus.
Patent CA-2237823-A1 (CA)
Title: Method of detecting telomerase activity
Inventor: EMRICH THOMAS
IPC: C12Q1/68
Filed: 1996-11-27
Abstract: The invention relates to a method of detecting telomerase activity involving the following steps: (a) a test specimen is prepared; (b) a first primer suitable as a telomerase substrate and nucleoside triphosphates are added and the reaction mixture is incubated under conditions conducive to primer extension by the telomerase; (c) amplification of the extension product produced by the telomerase; (d) the amplification product obtained in step (c) is immobilised on a solid phase; and (e) the immobilised amplification product is detected or quantitatively measured. The invention also relates to a reagent kit for carrying out the claimed process.
Patent CA-2237833-A1 (CA)
Title: An improved weapon for immobilization and capture
Inventor: MCNULTY JAMES JR
IPC: F42B12/36
Filed: 1998-05-19
Abstract: An immobilization weapon of the type which imparts an electrical voltage across a live target using a projectile launched toward the target from a distance, employs a projectile having two connecters. One such connecter extends from the projectile in fixed relation thereto. The other such connecter is launched from the projectile at or near the target to assure proper spacing between the connecters irrespective of the distance to the target. In the preferred embodiment, the secondarily launched connecter is actuated by current through the target when the projectile is in proximity to the impact surface of the target.
Patent CA-2238943-A1 (CA)
Title: Root specific promoters
Inventor: LILLEY CATHERINE JANE
IPC: C12N15/82
Filed: 1996-11-28
Abstract: This invention relates to the control of pests. In particular the invention rela tes to the protection of plants against parasitic nematodes. The invention provides nucleic acid comprising a transcription initiation region capable of directing expression predominantly in the roots of a plant, and a sequence which encodes an anti-nematode protein.
Patent CA-2244541-A1 (CA)
Title: Safety method and apparatus for resistive start of electromotors
Inventor: FORMENTI FRANCO
IPC: H02H7/08
Filed: 1998-08-05
Abstract: The windings of the electromotor at the starting are connected to the main power through starting resistors for a very short period of time, before being directly connected to the main power source.      A voltage is initially established at the terminals of a voltage control resistor provided by at least one of the starting resistors, or a fraction thereof, before the running of the motor will occur and the direct connection of the motor windings to the main power is allowed only when the voltage across the voltage control resistor has decreased with respect to the voltage initially established at the starting of the motor. The temperature difference between the voltage control resistor, or a fraction thereof, and the ambient is also sensed and any new start of the motor will be prevented till the temperature of the control resistor is not adequately decreased.
Patent CA-2247084-A1 (CA)
Inventor: LYONS RICHARD JOHN
IPC: B60P1/46
Filed: 1997-02-21
Abstract: A rear loading system for vehicles where a platform (16) is raised from the ground to a position level with the tray (2) of the vehicle. Typically the platform is raised by turning handle (32) which turns a shaft hidden in frame member (20) of U-shaped frame (4). The shaft in turn rotates a sprocket of an endless chain hidden in frame member (22). All four lifting cables (18a-d) run over pulleys in the U-frame and are attached to the endless chain so that on turning of the handle all of the cables are pulled by exactly the same distance and the platform rises in a horizontal attitude. When level with Uframe (4) the platform (16) can be locked thereto and frame and platform can be pivoted to a vertical position to act as tail gate.
Patent CA-2247100-A1 (CA)
Title: Improved slurry drag reducer
Inventor: JOHNSTON RAY L
IPC: C08L23/06
Filed: 1996-03-08
Abstract: Flow of a stream comprised of hydrocarbons is improved by introducing into the stream a stable, non-agglomerating suspension comprising: (a) water, (b) highly dispersed in the water, and substantially insoluble therein, and extremely finely-divided, non-crystalline, ultra-high molecular weight, hydrocarbon-soluble, undegraded polyalkene having 2 to about 30 carbon atoms per alkene precursor and an inherent viscosity of at least 20 dL/g, and (c) a small but effective amount of a surfactant having an HLB of at least about 9. The finely divided polyalkene is prepared by polymerization and then cryogrinding below the glass transition temperature of the polyalkene.
Patent CA-2248203-A1 (CA)
Inventor: GUERIN JEAN-CLAUDE
IPC: E21B17/16
Filed: 1998-01-06
Abstract: The invention concerns an asymmetrical drill stem, located at the end of an assembly of boring rods for drilling an oil well. The asymmetry is provided by the presence of recesses (24) arranged in the body (20), which recesses are of different sizes, arranged on the external surface of the drill stem and extend for the major part along the drill stem.
Patent CA-2249297-A1 (CA)
Title: Quick connect/disconnect coupling
Inventor: DONAIS MICHEL
IPC: F16L37/18
Filed: 1997-03-20
Abstract: A quick connect/disconnect coupling comprised of a male coupling (10) adapted to mate with a female coupling (20), the female coupling (20) forming a passageway to receive the male coupling (10), and locking means for retaining the male coupling (10) in said female coupling (20). The locking means being comprised of a locking lever (24) pivotably mounted to the female coupling (20) and having a cooperating projection (23) adapted to extend through the coupling into the passageway to engage an annular cavity (16) of the male coupling (10) to maintain the male coupling (10) into a mating relationship with the female coupling (20) when the locking lever (24) is in a closed position. The male (10) and female couplings (20) are provided with a reinforced annular rim (25), the reinforced annular rim (13) of the male coupling (10) extends radially of the coupling at a mid-portion thereof. The reinforced annular rim (25) of the female coupling (20) extends radially of said coupling at the distal end thereof, such that when said male coupling (10) is inserted and locked into said female coupling (20), the reinforced annular rims (13, 25) of the male (10) and female couplings (20) lie adjacent one another.
Patent CA-2251038-A1 (CA)
Title: Methode pour reduire la duree de la phase de stabilisation thermique d'un convertisseur de gaz liquefie
Inventor: HAMLIN HUMPHREY ALBERT SAMUEL
IPC: F17C9/02
Filed: 1998-01-28
Abstract: Méthode pour réduire la durée de la phase de stabilisation thermique d'un convertisseur de gaz liquifié (13), consistant à prévoir dans une ligne d'alimentation (11) entre une source (12) de gaz liquéfié et le convertisseur de gaz liquifié (13), une région d'écoulement non isolée (16), à travers laquelle passe au moins une partie du gaz liquéfié, pendant le remplissage.
Patent CA-2252740-A1 (CA)
Title: Weather strip in particular for window and door frames and the like
Inventor: CALDIROLI ALFONSO
IPC: B60J10/08
Filed: 1996-11-26
Abstract: A weather strip in particular for door and window frames is described, which comprises a base portion (2) to be fitted to a first bearing frame (4) and a head portion (5) acting in abutment on a second bearing frame (7). The base portion (2) comprises a holding element (8) of a stiff material and a push element (11) associated with the holding element (8) and having at least one first end portion (11a) adapted to act in abutment on the first frame (4) and to transmit a corresponding elastic thrust action to the holding element (8) to cause snap-fitting of the latter with the first frame (4).
Patent CA-2253716-A1 (CA)
Inventor: SCHANK CHRISTINA
IPC: C09D11/10
Filed: 1998-02-18
Abstract: L'invention concerne un pigment d'interférence à couches multiples comprenant une couche centrale réalisée dans un matériau transparent ou semi-transparent à faible indice de réfraction, ainsi que des couches alternées d'un métal ou d'un matériau à haut indice de réfraction et d'un matériau à faible indice de réfraction, situées de part et d'autre de la couche centrale. Le matériau à faible indice de réfraction est de préférence du fluorure de magnésium ou de l'acrylate et le métal est de préférence de l'aluminium ou du chrome.
Patent CA-2254069-A1 (CA)
Inventor: HORNER THOMAS WILHELM
IPC: C11D3/386
Filed: 1997-05-13
Abstract: It is an object of the present invention to provide detergent compositions comprising a combination of different .alpha.-amylases delivering improved malodor stripping from soiled items in hard surface cleaning, dishwashing and laundry applications.
Patent CA-2254854-A1 (CA)
Title: Method and apparatus for providing simulated physical interactions within computer generated environments
Inventor: BRAVE SCOTT B
IPC: G05G9/047
Filed: 1997-05-16
Abstract: A method and apparatus for providing force feedback to a user operating a human/computer interface device (14) and interacting with a computer-generated simulation (20). In one aspect, a computer implemented method simulates the interaction of simulated objects displayed to a user who controls one of the simulated objects by manipulating a physical object (34) of an interface device (14). The physical object provides force feedback to the user which imparts a physical sensation corresponding to the interaction of the computer simulated objects.
Patent CA-2255347-A1 (CA)
Title: Multi-user detection for antenna array receivers
Inventor: HASSELL SWEATMAN CATHERINE ZOE
IPC: H01Q1/24
Filed: 1998-12-09
Abstract: The present invention relates to radio communication antennas and in particular relates to multi-user detection for CDMA antenna array receivers. A reverse link (mobile to base) of a cellular direct sequence code division multiple access system is provided which increases system capacity whilst avoiding system complexity. The invention provides a method of signal detection which is based on the partitioning of users into equivalence classes by beam-forming with subsequent standard multi-user detection techniques applied within each class. Computation techniques are simplified and processing time can be considerably reduced. Furthermore, the capacity of a conventional receiver may be improved by employing multi-user detection techniques. These techniques are particularly useful for systems which involve large numbers of users. A method of operation is also disclosed.
Patent CA-2255652-A1 (CA)
Title: Isobutylgaba and its derivatives for the treatment of pain
Inventor: SINGH LAKHBIR
IPC: A61K31/195
Filed: 1997-07-16
Abstract: The instant invention is a method of using certain analogs of glutamic acid and gamma-aminobutyric acid in pain therapy.
Patent CA-2255707-A1 (CA)
Title: High efficiency lighting system
Inventor: WILHELM WILLIAM G
IPC: F21V23/00
Filed: 1998-03-19
Abstract: A power system is disclosed which can be applied to lighting or other end use applications systems for maintaining normal lighting conditions with conventional lighting fixtures and other end use electrical power applications requiring DC  electrical power. The power system includes a power control means for receiving AC  alternating current electrical power from a source and alternatively DC power from a source and for delivering the required regulated low voltage DC electrical power to voltage matched lamp or lamps within the lighting fixture or to at least one DC compatible end-use device load. The power control means converts the AC electrical power to DC voltage regulated electrical power. The power control means also combines the converted AC  voltage with an alternative DC power source in service to the at least one DC compatible load. The power control means alters the converted DC output voltage as a means for controlling power delivered by the alternative DC power source. The power control means supports electrical load or loads with or without an alternative DC power source in service to the at least one DC compatible load. Still further, the power control is also capable of making a shared contribution of power from the AC power source and the alternative source of DC electrical power and has a voltage regulated power junction means for delivering the low voltage DC electrical power to the lighting fixtures or other end use application.
Patent CA-2257814-A1 (CA)
Title: Extraction of antioxidants
Inventor: BRACCO UMBERTO
IPC: A23L23/00
Filed: 1997-06-04
Abstract: A process for isolating antioxidant compositions from olives comprising grinding olives to obtain ground olive material; drying the ground olive material under vacuum to reduce the water content of the olive material to obtain dried olive material rich in water-soluble antioxidants; pressing the dried olive material so as to collect an antioxidant-enriched lipid fraction and a cake; and subjecting the cake to at least one hot extraction with an extraction substance comprising a mixture of medium-chain triglycerides or with a C2-C6 alkylene glycol under a pressure of at least 40 bar to obtain an antioxidant-enriched extract from the cake.
Patent CA-2258143-A1 (CA)
Title: Protective case for violin/viola/cello
Inventor: INTINI VANDA
IPC: G10G7/00
Filed: 1999-01-06
Abstract: There is provided a protective case for a musical instrument such as a violin, viola, etc. which is of a soft fabric material and can be placed within a conventional harder musical instrument case. The soft insulation case cover may include insulation layers and there is described a method of manufacturing such a case.
Patent CA-2258691-A1 (CA)
Title: Resin and wood fiber composite profile extrusion method
Inventor: PUPPIN GIUSEPPE
IPC: B29C47/00
Filed: 1997-06-11
Abstract: The invention relates to a method for forming a composition comprising a resin and wood fiber in the form of a composite that can be used to form a linear extrudate in the form of a structural member. The linear extrudate can have a profile cross section of any useful engineering shape. The profile is made using extruder processing. A unique extruder configuration is used that optimizes the composite strength by promoting the random orientation of fibers resulting in an isotropic flex modulus, tensile strength, impact resistance and other structural properties. Further, the extruder can include features that can cool the profile interior after leaving an exit die increasing the productivity and quality of the extruder manufacturing process. The method of the invention can be used with any thermoplastic resin useful in extrusion devices and preferably uses a wood fiber.
Patent CA-2259320-A1 (CA)
Inventor: DANIELS JOHNNY
IPC: B60H1/00
Filed: 1997-06-18
Abstract: A transmission system (20) is provided for stopping-up the rotational speed of the compressor unit (18) in air conditioner systems of automotive vehicles during low speed of the motor. The system comprises a planetary gear assembly coupled between the motor and the driving axle (24) of the compressor, with two electrically or pneumatically controlled friction clutches (28, 54). The change-over of the transmission ratio is effected by engaging/disengaging one or both of the clutches, in relation to the motor speed.
Patent CA-2261117-A1 (CA)
Title: Footwear construction with improved closure means
Inventor: ZEBE CHARLES W JR
IPC: A43C7/00
Filed: 1999-02-03
Abstract: A footwear device with an improved means of closing thereof utilizing a lacing means extending through eyelets or hooks and being fixedly secured in a tightened position extending therethrough by being positioned through a cam cleat. Preferably the configuration of the cam cleat includes two individual cam cleating devices one on each opposite side of the ankle of the wearer which each may include a guide ring for facilitating guiding and retaining of the shoelace extending therethrough. It is preferred that the shoelace include a plurality of slits defined therein which are adapted to be positioned extending over and retained by studs mounted in spaced relation with respect to one another adjacent to each of the camming cleats to neatly and in an orderly manner prevent the laces from becoming dislodged from the cam cleat as well as to prevent them from being undesirably loosened. With this configuration the laces will be neatly retained extending along the upper surface of the upper member of the shoe configuration and will not be hanging loosely as with other conventional lace tieing configurations such as tieing the laces into a bow.
Patent CA-2262224-A1 (CA)
Title: Method for producing optically active phenylpropionic acid derivative
Inventor: IZAWA KUNISUKE
IPC: C07C327/32
Filed: 1999-02-16
Abstract: An optically active N-[2(acetylthiomethyl)-1-oxo-3-phenylpropyl]-amino acid ester of formula (I):   (see fig. I) wherein R1 represents a hydrogen atom, an amino acid side chain or a protected amino acid side chain; R2 represents a linear or branched C1 to C18 alkyl group or an unsubstituted or substituted benzyl group; and represents an optically active carbon atom, is produced by a method comprising the steps of: a) reacting optically active 2-hydroxymethyl-3phenylpropionic acid of formula (II):   (see fig. II)~     with an amino acid ester or a salt thereof for conversion into optically active N-[2-hydroxymethyl-1-oxo-3-phenylpropyl]-amino acid ester of formula (III):   (see fig. III) wherein R1 and R2 have the aforesaid meanings and   * represents an optically active carbon atom; b) activating the hydroxyl group of the hydroxymethyl group at 2-position of the compound of formula (III) for conversion into optically active N-acylamino acid ester having the general formula (IV):   (see fig. IV) wherein R1 and R2 have the aforesaid meanings, X represents a chloride, bromide or iodide atom, a linear, branched or cyclic, unsubstituted or substituted C1 - C6 alkylsulfonyloxy group, or a C6 - C18 arylsulfonyloxy group and * represents an optically active carbon atom, and c) reacting the compound of formula (IV) with a thioacetate salt or thioacetic acid in the presence of a base. The method of the invention is particularly useful for producing optically active N-[2-(acetylthiomethyl)-1-oxo-3-phenylpropyl]-glycine benzyl ester.
Patent CA-2264909-A1 (CA)
Title: An improved cladding board mounting system
Inventor: ZARB JOSEPH EMMANUEL
IPC: E04F13/08
Filed: 1997-09-05
Abstract: An improved cladding board mounting system for mounting cladding boards (100) adjacent a surface to be concealed. Each cladding board (100) includes at least one support member (130) on the interior face (120) of the cladding board. The system further includes at least one mounting member (170) which includes an engaging formation (172) adapted for releasable engagement with a complementary engaging formation (132) of a respective support member. The mounting member also includes a second segment (174) for releasable connection to the surface to be concealed.      Preferably a mounting bracket (70) extends between the surface to be clad and the mounting member (170).
Patent CA-2265078-A1 (CA)
Title: Counterweight for hermetic compressors
Inventor: SILVA JOSE MARIO
IPC: F16F15/32
Filed: 1999-03-09
Abstract: A hermetic compressor assembly having a housing having disposed therein an electric motor including a stator and a rotor drivingly attached to a crankshaft having an eccentric portion, and a compression mechanism operatively coupled to the crankshaft eccentric portion. A counterweight is attached to the crankshaft and is made of progressively stamped metal stock material having selectively varying widths between first and second side edges thereof. The counterweight has one of a plurality of weights, each individual weight directly corresponding to a different stock material width. Also, a method for manufacturing compressors having installed therein counterweights of different weights and having substantially identical axial projection profiles, wherein the counterweights are made by a method which includes providing a progressive stamping die, and planar metal stock material having one of a plurality of different widths between first and second opposite side edges. The stock material is fed through the progressive stamping die in a direction substantially parallel with the first side edge. A counterweight having a weight which variably corresponds to the different stock material widths and having a free edge defined by the first stock material edge is progressively formed from the stock material, and is then separated from the stock material.
Patent CA-2265958-A1 (CA)
Title: Set top terminal for an interactive information distribution system
Inventor: DRASNER SHARYN L
IPC: H04N5/00
Filed: 1997-09-16
Abstract: A set top terminal (100) for receiving information transmitted from a service provider, for receiving control information transmitted by a service provider and for transmitting control information from the set top terminal (100) to the service provider to interactively control the services that are being received. The set top terminal (100) receives display images via an information channel carrying both conventional analog television signals and digital television signals.  Additionally, set top terminal (100) control signals are sent from the service provider via a command channel and the set top terminal (100) sends control signals to the service provider via a back channel.
Patent CA-2266915-A1 (CA)
Inventor: HUGHES CHRISTOPHER P
IPC: F41A33/00
Filed: 1999-03-24
Abstract: The invention relates to a method and apparatus for combat training in armoured land vehicles by means of a simulator, wherein the operable land vehicle itself is the simulator compartment and wherein for training purposes a mobile simulation computer is connected to the central computer of the land vehicle so that the display screen thereof displays the simulation and functional data and the simulated external view for training purposes. All items of operating equipment can be operated, but in that "training" operating mode the real operating and movement functions of the vehicle are blocked.