baber/WOPTO huggingface dataset:
Patent CA-2097379-C (CA)
Inventor: SCHIMWEG JOHN J
IPC: B24B33/08
Filed: 1993-05-31
Granted: 1994-05-19
Abstract: A honing device for mounting on a honing tool for rotation therewith including a backing material having opposite end surfaces, opposite side surfaces, and an edge surface extending between the opposed end and side surfaces, and a layer of an abrasive such as a superabrasive material and a binder attached onto one of the side faces and extending therealong to the edge surface whereby an edge of the abrasive layer and the adjacent edge surface engage the workpiece surface to be honed.
Patent CA-2100878-C (CA)
Inventor: VARTIJA SCOTT O
IPC: A63B47/00
Filed: 1992-01-16
Granted: 2004-09-21
Abstract: A game ball assembly (10) for use with a game ball (14) is described comprising a net (12) for receiving and holding the game ball (14), a handle (16) adapted to be retained within a user's hand, a length adjuster (18) having a body part and a relatively movable locking slide part defining with said body part two paths at opposite sides of the slide part, and an elongated substantially inelastic tether cord or rope (20) secured between the handle (16) and the net (12). The tether (20) extends through one of the paths of the length adjuster (18), through the net (12) and then through the other path of the length adjuster (18) such that a free end of the tether (20) is supported between the slide part and the body part of the length adjuster (18). This arrangement facilitates simple adjustment of the length of the tether (20).
Patent CA-2108105-C (CA)
Inventor: KOZAK MARY B
IPC: C12Q1/60
Filed: 1993-10-08
Granted: 2001-07-17
Abstract: An improved device and method of a) separating the cellular components of whole blood from plasma or serum, b) separating the low density lipoprotein (LDL) fraction and the very low density lipoprotein (VLDL) fraction from the plasma or serum, then c) assaying the plasma or serum for cholesterol present in the high density lipoprotein (HDL) fraction are disclosed. The device includes a separation area that separates the cellular components of whole blood from the serum or plasma and separates the LDL and VLDL fractions from the serum or plasma, and a test area that assays the serum or plasma for the concentration of the HDL cholesterol. The method includes introducing a whole blood sample to a test device including a separation area comprising a first zone that separates the cellular components of the whole blood from the plasma or serum; and a second zone that separates the LDL and the VLDL fractions from the plasma or serum. The essentially cell-free, LDL-free and VLDL-free plasma or serum then migrates to a test area. After the plasma or serum migrates to the test area, plasma or serum is assayed for HDL cholesterol and the test area is examined for a quantitative response to HDL cholesterol present in the whole blood sample.
Patent CA-2110379-C (CA)
Title: Low calorie fat substitute
Inventor: GRUETZMACHER GORDON D
IPC: A23L1/308
Filed: 1992-05-20
Granted: 2002-04-30
Abstract: There is disclosed a low calorie fat substitute comprising a sorbital fatty acid ester with a degree of substitution of about four fatty acid groups. Foodstuffs containing the sorbitol tetraester are also disclosed.
Patent CA-2115639-C (CA)
Title: Ethylene trimerization
Inventor: WU FENG-JUNG
IPC: B01J31/18
Filed: 1994-02-14
Granted: 2004-10-19
Abstract: Ethylene is trimerized to form 1-hexene by using a catalyst comprising an aluminoxane and polydentate phosphine, arsine, and/or stibine coordination complex of a chromium salt.
Patent CA-2116394-C (CA)
Inventor: TAI HIROMICHI
IPC: H02M1/08
Filed: 1994-02-24
Granted: 1997-07-01
Abstract: A gate power supply circuit including a switching device and a gate drive circuit connected to the switching device for generating a gate signal to be supplied to a gate of the switching device.  The gate power supply circuit further includes a first series circuit of a first capacitor and an inductor, connected in parallel with the switching device, and a second series circuit of a first diode and a second capacitor, connected in parallel with the inductor.       The gate drive circuit is connected to the second capacitor to receive energy stored in the second capacitor as power source for the gate drive circuit.
Patent CA-2118354-C (CA)
Title: Dual-wavelength data transmitter for reducing fading in an optical transmission system
Inventor: BERGANO NEAL S
IPC: H04B10/2569
Filed: 1994-10-18
Granted: 2000-01-04
Abstract: The problems relating to Signal-to-noise ratio fading over long optical transmission paths are overcome by dynamically controlling an optical signal source having two signal components each with a different wavelength, where the parameters to be controlled include the wavelengths of the two signal components, the relative and absolute states of polarization of the two signal components, and the relative delays between the data patterns carried by the two signal components so that the polarization of the two signal components of the optical signal are continuously reoptimized in the presence of polarization dependent loss, polarization mode dispersion, polarization dependent hole burning, and fiber nonlinearities.
Patent CA-2119044-C (CA)
Title: Photographic processing method
Inventor: ISHIKAWA MASAZUMI
IPC: G03B15/00
Filed: 1994-03-15
Granted: 2000-11-21
Abstract: A photographic processing method is provided which avoids folding of a film during storage without a problem of bulkiness in the storage and allows easy identification of images of the film, and which includes the steps of: winding a film finished with printing into a cartridge; and providing an index print representing a content of the film to the cartridge.
Patent CA-2119316-C (CA)
Title: Control of particulate flowback in subterranean wells
Inventor: CARD ROGER J
IPC: E21B43/25
Filed: 1994-03-17
Granted: 2006-01-03
Abstract: The addition of fibrous materials in intimate mixture with particulates for fracturing and gravel packing decreases or eliminates the flowback of proppant and/or formation fines while stabilizing the sand peak and lowering the demand for high polymer loadings in the placement fluids. Preferred fibers include glass, aramide, nylon and other natural and synthetic organic and inorganic fibers and petal filaments.
Patent CA-2131195-C (CA)
Inventor: LOREE DWIGHT N
IPC: C09K8/594
Filed: 1994-08-26
Granted: 1997-04-29
Abstract: A method  of  improving  oil  or  gas  well productivity from a well penetrating a formation in an oil or gas reservoir,  by forming a load fluid by obtaining  a  hydrocarbon  fluid  containing  a  known percentage of aromatics and adding an amount of CO2 to the hydrocarbon fluid that is determined according to a predetermined miscibility relationship between the CO2 and the hydrocarbon fluid that establishes the amount of CO2 required to form a bank of CO2 ahead of the load fluid in the formation. The load fluid is applied to the well at a pressure such that CO2 in load fluid within the well bore remains in solution and CO2 in load fluid within the formation leaks off the load fluid into the formation and forms a bank of CO2 ahead of the load fluid. The surface pressure is released from the load fluid and the load fluid flows back out of the well. The miscibility relationship between CO2 and hydrocarbon based load fluids depends on the aromatic content of the load fluid.  For high pressure wells, since  the  amount  of  CO2  required becomes excessive, it is preferable to use a load fluid that requires a smaller amount of CO2 to form a bank in front of the load fluid for a given amount of the load fluid, hence one that has a lower amount of aromatics.  The aromatic content of the hydrocarbon fluid is selected according to the pressure required for the well treatment.
Patent CA-2143585-C (CA)
Inventor: LOW WILLIAM R
IPC: F25J1/02
Filed: 1995-02-28
Granted: 1999-08-10
Abstract: A process and apparatus for liquefying a natural gas, having a pressure above about 800 psig, in which the natural gas is introduced into an expander which operates to reduce the pressure of the natural gas and extract work from the expansion of the natural gas during the pressure reduction so that the resulting effluent from the expander can be cooled to sequentially lower temperatures by passing the gas through a plurality of cooling stages, in indirect heat exchange with at least one refrigerant, until the gas is substantially completely condensed in the last of the cooling stages.
Patent CA-2148328-C (CA)
Inventor: LEE JOHN K M
IPC: H04B1/38
Filed: 1995-05-01
Granted: 2005-12-06
Abstract: The antenna element mounting of the present invention enables an antenna to be mounted between the printed circuit boards of a radio instead of along side the boards. The shielding of the printed circuit boards has an indentation along one edge of each shield. When the shields are mated, the indentations form a channel into which the antenna is mounted.
Patent CA-2148593-C (CA)
Title: Use of piperazine derivatives for the treatment of cognitive disorders
Inventor: FLETCHER ALLAN
IPC: A61P25/28
Filed: 1993-10-25
Granted: 2005-12-06
Abstract: Piperazine derivatives of formula (I) are useful in the treatment of cognitive disorders. In formula (I), X is a group of (IIa): -(CH2)n CR2R3CONR4R5 or (IIb): -A-NR6COR7 where n, A, R, R1, R2, R3, R4, R5, R6 and R7 have specified meanings.
Patent CA-2150944-C (CA)
Title: New taxoids; process for preparing the same and pharmaceutical compositions containing them
Inventor: BOUCHARD HERVE
IPC: C07D305/14
Filed: 1993-12-07
Granted: 2004-02-24
Abstract: Novel taxoids of general formula (I), the preparation thereof and pharmaceutical compositions containing same. In general formula (I), Ar is an aryl radical; R is a hydrogen atom or an acetyl, alkoxyacetyl or alkyl radical; R1 is a benzoyl radical or a radical of formula R2-O-CO- wherein R2 is an optionally substituted alkyl radical, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, bicycloalkyl, phenyl or heterocyclyl. The novel products of general formula (I) have remarkable antitumour activity.
Patent CA-2151891-C (CA)
Inventor: BELLEROSE GERALD
IPC: A47B81/00
Filed: 1995-06-15
Granted: 2001-04-17
Abstract: The present invention relates to an improvement in a ski rack for pair of skis. Each ski of said pair of skis comprises a heel, an intermediary portion and a sole. Said skis of a same pair of skis are fastened together with their sole applied one against the other. This ski rack comprises a base having a centre; a first member having a centre;   first   means   for   positioning   the   member substantially concentrically above the base; second means for receiving the heel of at least one ski of said pair of skis, said second means being associated with the base; and third means for receiving an intermediary portion of one ski of said pair of skis,  said third means being associated with the first member. The improvement to this ski rack is characterised in that for each pair of skis, said second and third means are positioned to set a centre of gravity of said pair of skis above the base and to set a plane of symmetry passing extending between each ski of a same pair of skis, at once inclined and substantially parallel with respect to an axis passing through the centre of the base and the centre of the first member.
Patent CA-2156682-C (CA)
Title: A method for separating crops and impurities
Inventor: KLINTWORTH KLAUS
IPC: B03B5/62
Filed: 1995-08-22
Granted: 2002-04-09
Abstract: A method and an apparatus for separating crops and impu-rities are described which exploit the different specific gravities of the materials to be separated. The separation is performed with the help of a liquid exploiting the different lifting forces, since the materials to be separated differ clearly in specific gravity. If the specific gravity of the separating liquid does not suffice to effect the necessary lift for the crop, one produces a flow acting against the sinking direction of the impurities to increase the lifting force for the crop and cause it to collect by floating on the surface of the separating liquid. Water is preferably util-ized as a separating liquid, and the flow produced with the help of a pump wheel or bucket wheel. The method has proven especially useful for separating potatoes and stones.
Patent CA-2181386-C (CA)
Inventor: FAGIOLINI NILO
IPC: B01J20/04
Filed: 1995-01-12
Granted: 2007-08-28
Abstract: Solid powdered reactive composition for the purification of a gas containing hydrogen chloride, the said reactive composition comprising more than 98% by weight of sodium bicarbonate and less than 2% by weight of sodium monocarbonate and exhibiting a particle size distribution defined by an average particle diameter of less than 0.050 mm and a particle size slope of less than 5.The reactive composition finds an application in the purification of flue gases from the incineration of household waste.
Patent CA-2184195-C (CA)
Inventor: PAKULA ANDREW
IPC: G01N33/15
Filed: 1996-08-26
Granted: 2002-04-16
Abstract: A novel method for screening chemical compounds (test ligands) for potential pharmaceutical effectiveness is provided. The disclosed method identifies possible therapeutic test ligands by placing them in the presence of target proteins and determining their ability to increase or decrease the ratio of folded target protein to unfolded target protein. The present methods do not require that biochemical function of the target protein be known, nor that any other ligands be previously identified.
Patent CA-2189426-C (CA)
Inventor: BRODE PHILIP FREDERICK III
IPC: C12N15/57
Filed: 1995-03-16
Granted: 2002-09-17
Abstract: L'invention concerne des variants de la subtilisine BPN' comprenant une séquence d'acides aminés modifiée par rapport à la séquence d'acides aminés BPN' du type sauvage, la séquence d'acides aminés du type sauvage comprenant une première, une seconde, une troisième, une quatrième et une cinquième régions en boucle. La séquence d'acides aminés modifiée comprend des acides aminés différents de ceux présents dans la subtilisine BPN' de type sauvage (c.a.d. substitution) dans des positions spécifiquement identifiées dans au moins une des régions en boucle, le variant de BPN' présentant des propriétés d'adsorption réduite dans un substrat insoluble et d'hydrolyse accrue d'un substrat insoluble par rapport à la subtilisine BPN' de type sauvage. L'invention porte également sur les gènes codant lesdits variants de subtilisine BPN', ainsi que sur des compositions comprenant lesdits variants pour le nettoyage d'une variété de surfaces.
Patent CA-2189749-C (CA)
Title: Compositions comprising ethoxylated/propoxylated polyalkyleneamine polymers as soil dispersing agents
Inventor: WATSON RANDALL ALAN
IPC: C11D1/66
Filed: 1995-04-18
Granted: 2000-06-27
Abstract: Cleaning and soil dispersing compositions comprising ethoxylated/propoxylated polyalkyleneamine polymers are provided. Thus, detergent compositions which comprise ethoxylated/propoxylated polyalkyleneamine polymers, such as poly(ethyleneimine) with a degree of ethoxylation of 1.0, provide soil dispersing performance in the wash liquor and whitening and/or cleaning benefits to fabrics, hardsurfaces, or dishware.
Patent CA-2194710-C (CA)
Inventor: VAKS JEFFREY E
IPC: G07D5/00
Filed: 1991-10-09
Granted: 1998-11-17
Abstract: Methods and validation apparatus for achieving improved acceptance and rejection for coins, bills and other currency items.  One aspect includes the steps of sensing data characteristic of at least two characteristics of each of a plurality of genuine items representative of the universe of items to be validated; converting the sensed data into a plurality of vectors for each item type and storing the vectors in a look-up table in memory.  The method then calculates a mean vector for each item type and tests an item and generates a vector corresponding to the characteristics for the item.  A difference is calculated between the item vector and the mean vector for an item type.  This difference is compared to a first mean vector tolerance and an item denomination index is then incremented.  The difference is recalculated and compared to a mean vector tolerance for another item type if the comparison did not fall within the first mean vector tolerance.  If the difference falls within the corresponding mean vector tolerance then an item type look-up table is searched.  The item will be ultimately accepted if its vector is found in a look-up table, and rejected if its vector is not found.
Patent CA-2194734-C (CA)
Inventor: FORMAN MICHAEL R
IPC: A61M29/02
Filed: 1997-01-09
Granted: 2001-04-10
Abstract: A dilatation balloon (20,98) is fabricated according to a process that yields high hoop strength and uniformity in balloon wall thickness.  A length of tubing (34) is axially elongated and radially expanded in a form (36) to provide the requisite biaxial orientation and strength.  Then, an excimer laser (46,66,84) is used to remove the polymeric material by photo-chemical ablation, virtually without thermal effects.  Dilatation balloon walls are thinned primarily along tapered sections (26,28) between proximal and distal balloon stems (30,32) and a medial working section (24) of the balloon. Material removal, particularly near the balloon stems, enables tighter wrapping of the balloon for a reduced delivery profile, and reduces rigidity near the stems for better maneuverability of the catheter in tortuous passageways.  The balloon tapered sections are reduced to a wall thickness substantially equal to that of the medial section.  Alternatively, an array of grooves (96) is formed in each tapered section.
Patent CA-2196005-C (CA)
Title: Device for emptying a film tube
Inventor: PAUSER HELMUT
IPC: B67B7/48
Filed: 1997-01-27
Granted: 2006-04-04
Abstract: A device for emptying a film tube 15 containing a pasty substance comprises a cap structure 11 including a transverse wall 12 supporting the front end of the tube, a cylindrical flange 13 formed on the wall for receiving the front end of the tube, and a dispensing pipe 17. The pipe 17 extends from a recess 16 formed in the wall 12 and having an at least partially circular-cylindrical shape, with a spike 18 being integrally formed at the centre of the recess and extending parallel to the axis of the tube. The tip 19 of the spike is retracted from the plane of the wall 12. When dispensing pressure is exerted on the tube 15, the portion of the tube film overlying the recess 16 will bulge into the recess, until its central part is scratched by the tip 19 of the spike and thus caused to burst. The content of the tube can then flow into the recess 16 surrounding the spike 18 and out through the pipe 17.
Patent CA-2199912-C (CA)
Title: Method and apparatus for an improved flight management system providing for linking of an outbound course line from a predetermined position with an existing flight plan
Inventor: TRACY ANN M
IPC: G08G5/00
Filed: 1997-03-13
Granted: 2002-08-06
Abstract: An improvement to an aircraft flight management system allows the flight crew to enter a predetermined positon, which may be either the aircraft's current position or a defined waypoint, and a course line, or vector from the predetermined position. The system responds by displaying to the flight crew the predetermined position and course line, and then proceeds to link the course line to the existing flight plan. The flight crew may then either execute the modified flight plan or erase the modification and enter an alternate plan. The procedure of entering the predetermined position and course line, and linking to the existing flight plan may all be done with the autopilot activated, whereby appropraite lateral navigational signals are generated and supplied to the autopilot flight director to direct the aircraft along the newly specificed route. In addition, accurate performance data, such as distance to go, estimated time of arrival, and fuel remaining at each waypoint are displayed to the flight crew.
Patent CA-2201567-C (CA)
Inventor: NEWMAN FREDERIC M
IPC: E21B47/09
Filed: 1997-04-02
Granted: 2001-06-12
Abstract: A method of removing a pipe string anchored in cement within a wellbore involves the use of a coupling cutter having a linear charge that is magnetically oriented radially and rotationally within the pipe.  The coupling cutter also has a coupling sensor that identifies the location of a coupling electronically.  One first determines the free length of pipe that is above the cement.  The coupling sensor then finds the lowest coupling that is just above the cement level so that the linear charge can be axially aligned to that coupling.  A magnet on the cutter properly orients the linear charge both radially and rotationally relative to the inner wall of the pipe.  The charge is detonated to longitudinally split the coupling. The pipe string is then disassembled and pulled from the wellbore.
Patent CA-2202164-C (CA)
Inventor: BRIGHT DANIELLE A
IPC: C08L69/00
Filed: 1995-10-12
Granted: 2007-09-04
Abstract: La présente invention concerne des compositions contenant des polycarbonates et ignifugées au moyen d'esters de phosphates oligomères. Ledit mélange contient un ester de polyphosphate oligomère à pont arylène ainsi qu'une quantité efficace d'un composé diphosphate à pont alkylène, ce qui accroît l'efficacité d'ignifugation et améliore les caractéristiques de traitement.
Patent CA-2204717-C (CA)
Inventor: DENIS RICHARD A
IPC: C10M173/02
Filed: 1997-05-07
Granted: 2005-01-04
Abstract: Aqueous metal working fluids containing a mist suppressing copolymer are disclosed. The copolymer includes hydrophobic and hydrophilic monomers.    Optionally, the metal working fluid may be an oil-in-water emulsion.
Patent CA-2210581-C (CA)
Inventor: WEEKS RICHARD
IPC: G06F17/30
Filed: 1996-01-23
Granted: 2002-03-26
Abstract: Un système permettant d'accéder à des informations stockées dans une base de données d'informations réparties, offre une communauté d'agents logiciels intelligents (105). Il est possible d'édifier chaque agent (105) sous la forme d'une extension d'un visualiseur connu (400) pour un système d'informations réparties tel que le WorldWide Web d'Internet (W3). Cet agent (105), qui est dûment intégré au visualiseur (400), peut extraire des pages par l'intermédiaire du visualiseur (400) en vue d'un stockage dans une unité intelligente de stockage de pages. Le texte, tiré du système d'information, est résumé et mémorisé avec des informations supplémentaires, éventuellement choisies par l'utilisateur. Ce système d'accès s'articulant autour d'un agent fait appel à des ensembles de mots-clefs permettant de situer des informations intéressant un utilisateur, en même temps que d'établir des profils d'utilisateur de sorte que ces pages, qu'un usager est en train de mémoriser, peuvent être communiquées à un autre dont le profil indique l'intérêt potentiel. Les ensembles de mots-clefs peuvent être élargis par l'utilisation d'un thésaurus.
Patent CA-2215752-C (CA)
Title: Fluid control device
Inventor: ZINGER FREDY
IPC: A61J1/00
Filed: 1996-03-19
Granted: 2008-07-29
Abstract: A fluid control device (10) for use with a syringe and at least one medicinal vessel (28). The fluid control device includes a first port (13), a second port (12) for receiving the syringe, a third port (17) including an adaptor (20) having a fluid conduit member (24) extending into the interior of the medicinal vessel (28) when attached thereto and a flow control member (20') selectively disposable from a first flow control position enabling a flow path between a first pair of two ports (12, 17) and a second flow control position enabling a flow path between a second pair of two ports (12, 13). The flow control member (20') is coupled to one of the ports for manipulation between its flow control positions.