baber/WOPTO huggingface dataset:
Patent CA-2155209-C (CA)
Inventor: CLOUSER SIDNEY J
IPC: C22B3/04
Filed: 1994-03-17
Granted: 2000-06-06
Abstract: The present invention relates to a process for making copper foil from copper-bearing material comprising: (A) contacting said copper-bearing material (10) with an effective amount of d least one aqueous leaching solution (40); (B) contacting a copper-rich aqueous leaching solution (11) with an effective amount of at least one water-insoluble extractant (20); (C) separating a copper-rich extractant (48) from a copper-depleted aqueous leaching solution (14); (D) contacting said copper-rich extractant (48) with an effective amount of at least one stripping solution (22); (E) separating a copper-rich stripping solution (16) from a copper-depleted extractant (64); (F) flowing said copper-rich stripping solution (25) between an anode (28) and a rotating cathode (26), and applying an effective amount of voltage across said anode and said cathode to deposit copper (26a) on said cathode; and (G) continuously removing copper foil (12) from said cathode.
Patent CA-2155331-C (CA)
Inventor: MOORE JOHN WESTWOOD
IPC: F16H48/12
Filed: 1994-02-11
Granted: 2000-04-04
Abstract: Mécanisme de différentiel comprenant une cage (8), tournant autour d'un axe (6) et représentant l'entrée, deux arbres de sortie coaxiaux (2, 4) tournant par rapport à la cage (8) autour dudit axe, et un dispositif de couplage (16) relié de façon excentrique aux deux arbres de sortie (2, 4) permettant de transmettre leur mouvement de contre-rotation relatif par l'intermédiaire de liaisons. Ces liaisons permettent un mouvement de rotation relatif entre le dispositif de couplage (16) et les arbres de sortie (2, 4) autour d'un axe (14) parallèle audit axe (6). Le mécanisme comprend également un élément de limitation (20) relié à la cage (8) et au dispositif de couplage (16), permettant à ce dernier de tourner par rapport à la cage autour d'un axe perpendiculaire audit axe (6) et pouvant suivre un mouvement de va-et-vient dans une direction perpendiculaire audit axe (6) mais pas dans une direction parallèle à ce dernier. La liaison entre le dispositif de couplage (16) et les arbres (2, 4) est constituée d'un orifice excentrique (12) formé dans l'extrémité interne (10) de chaque arbre de sortie (2, 4), dans lesquels viennent se loger les extrémités correspondantes du dispositif de couplage (16). L'extrémité interne (10) de chaque arbre de sortie (2, 4) est en contact coulissant avec la surface interne de la cage (8). Ainsi lorsque la cage (8) tourne autour dudit axe (6), la surface coulissante de l'extrémité interne (10) de chaque arbre de sortie (2, 4), est forcée par le dispositif de couplage (16) à venir en contact avec la surface coulissante opposée de la cage (8). Ainsi, une partie du couple d'entrée transmis à la cage (8) est transmise directement aux arbres de sortie (2, 4) par l'intermédiaire des surfaces coulissantes coopérantes et non par l'intermédiaire du dispositif de couplage (16) et l'élément de limitation (20).
Patent CA-2160288-C (CA)
Title: Reader with high-resolution mode and high-speed mode
Inventor: NAGANO FUMIKAZU
IPC: H04N1/40
Filed: 1995-10-11
Granted: 1999-12-21
Abstract: A reader has a high-resolution mode and a high-speed mode. The reader comprises a CCD sensor, a buffer, a first AD convertor, a second AD convertor, a data selector and a control circuit. The input of the buffer is connected to the CCD sensor through a capacitor and to a 5 V power source through an analog switch, and an output of the buffer is connected in parallel to the first AD convertor for the high-resolution mode and to the second AD convertor for the high-speed mode. The data selector for selecting an output from the first AD convertor or the second AD convertor and for sending the selected output to the control circuit is connected to outputs of the first AD convertor and the second AD convertor.
Patent CA-2169058-C (CA)
Inventor: GAMBARINI GIANLUCA
IPC: A61C3/03
Filed: 1995-06-20
Granted: 2005-08-02
Abstract: The invention relates to a parodontal treatment instrument comprised of a handle (4) and a blade (1), characterized in that the balade (1) has an active portion presenting two sectors (10, 11) provided along the blade and situated each on either side of a plane passing through the blade axis, said two sectors (10, 11) presenting different aggressivity levels so that, during the treatment when the instrument is introduced into the parodontal pocket, the more aggressive sector comes in contact with the root surface of the tooth and the other less aggressive sector comes in contact with the mucosa. Through its handle (4) the instrument is held on a hand piece which imparts a vibration motion to the instrument so that the two sectors (10, 11) can detach and remove the undesirable tartar.
Patent CA-2169987-C (CA)
Inventor: LEE ENG-HONG
IPC: A61K9/00
Filed: 1996-02-21
Granted: 1999-02-02
Abstract: The present invention provides for a gel form of a live vaccine for administration of live vaccine to poultry hatchlings.  The gel form comprises approximately 1.5 to 5.0 percent of an edible polysaccharide temperature setting gelling agent having suspended therein sufficient levels of a live vaccine to provide for immunization of a poultry hatchling flock.  The present invention also provides a method for immunizing a poultry flock utilizing a live vaccine of viable organisms, the method comprising preparing a gel form of a live vaccine by preparing a suspension of the viable organisms in cold water, dissolving an edible polysaccharide temperature setting gelling agent in an aqueous solution at or above the melting point of the polysaccharide gelling agent, mixing the organism suspension and the gelling agent solution, pouring the mixture into a suitable container then allowing the mixture to cool and gel to produce a gelled live vaccine comprising from about 1 to about 2.5 percent of an edible polysaccharide gel having suspended therein sufficient levels of the organism to provide immunization to the flock and allowing the poultry flock to feed from the gelled vaccine suspension.
Patent CA-2170025-C (CA)
Title: Active control system for noise shaping
Inventor: EATWELL GRAHAM P
IPC: G10K11/178
Filed: 1994-09-02
Granted: 2000-02-15
Abstract: A method and system for altering the frequency or harmonic spectra of a disturbance characterized by an output generator (26) and a response generator (24) that cooperate to produce shaped control signals in response to first input signals (23).
Patent CA-2171547-C (CA)
Title: Dispositif servant a ameliorer la performance des skis
Inventor: MAGGIOLO MARCO
IPC: A63C5/075
Filed: 1994-09-08
Granted: 2005-11-15
Abstract: L'invention concerne un dispositif destiné à améliorer l'efficacité et la contrôlabilité des skis, ce dispositif étant doté de deux éléments allongés en forme de plaque (12, 13) ayant chacun une extrémité (24, 27) pourvue d'éléments de blocage (36, 38, 39b) servant à fixer ladite extrémité sur le ski, ainsi qu'une autre extrémité (25, 26) pourvue d'éléments de maintien (39a) lui permettant de glisser longitudinalement par rapport au ski (10). Une butée (42) ou une talonnière (44) d'une fixation de ski est fixée à proximité de l'une des extrémités.
Patent CA-2180072-C (CA)
Title: A method for electronically deriving and parsing the mathematical structure of a financial table
Inventor: FERGUSON DON CARL
IPC: G06Q40/00
Filed: 1996-06-27
Granted: 2002-02-12
Abstract: A method for deriving the mathematical structure of a financial table and using the mathematical structure to categorize the components of the financial table according to the expected structure of the financial table.
Patent CA-2181430-C (CA)
Inventor: SHOEMAKER DONALD K
IPC: G01V3/10
Filed: 1996-07-17
Granted: 1999-12-07
Abstract: A system for detecting metal targets located in a background environment such as the ground evaluates metal targets by processing components of signals at two or more different frequencies. A component of the received signal induced by the ground can be eliminated by subtracting signal components measured at two different frequencies. The received signal can be processed to account for changes in the background response with frequency. The type of an unknown target can be identified by processing background excluded components to produce data characterizing the target type.
Patent CA-2185516-C (CA)
Inventor: NEUENHOFER STEPHAN
IPC: C12Q1/6816
Filed: 1996-09-13
Granted: 2008-01-22
Abstract: The invention relates to a homogeneous gene probe test, which is based on altering the signal of the nonhybridized gene probe by a receptor directed against the label.
Patent CA-2186241-C (CA)
Inventor: BROOKER GARY
IPC: G01N21/64
Filed: 1995-03-10
Granted: 2008-07-22
Abstract: Source d'éclairement à plusieurs longueurs d'ondes non mécanique à grande vitesse contenant des première (32) et deuxième (33) sources de lumière produisant des longueurs d'ondes différentes et un dispositif de commande (31) qui commande le courant électrique destiné aux première et deuxième sources de lumière. Cette source d'éclairement est tout particulièrement utile dans un appareil de photométrie fondée sur le rapport quantitatif des luminescences et/ou d'imagerie fondée sur le rapport de luminescence et dans des procédés de photométrie fondée sur le rapport des émissions luminescentes et d'imagerie fondée sur le rapport des émissions luminescentes, et elle offre des avantages spécifiques dans les domaines de la photomicroscopie et de l'imagerie microscopique.
Patent CA-2192179-C (CA)
Inventor: KLOFTA THOMAS JAMES
IPC: A61K8/00
Filed: 1995-05-23
Granted: 2002-04-23
Abstract: A lotion composition for imparting a soft, lubricious, lotion-like feel when  applied to tissue paper in amounts as low as from about 5 to about 15% by weight, and tissue paper treated with such lotion composit ions are disclosed.  The lotion composition comprises pl astic of fluid emollient such as petrolatum, or a mixture of petrolatum with alkyl  ethoxylate emollient, an immobilizing agent such as a f atty alcohol or fatty acid to immobilize the emollient on the surface of the tiss ue paper web and optionally a hydrophilic surfactant to improve wettability when applied to toilet tissue.  Because less lotion is required to impart the desired soft, lotion-like feel benefits, d etrimental effects on the tensile strength and caliper of the lotioned paper are minimi zed or avoided.
Patent CA-2193686-C (CA)
Inventor: PRINES FRANK J
IPC: H03K17/10
Filed: 1995-06-06
Granted: 1999-11-23
Abstract: A current source gate drive circuit (80) includes tow current loops (72), each of which serves as a current transformer primary. Electrically insulating tubes (76) enclose the current loops (72). Current transformer cores (74), around which are wound a certain number of secondary turns, surround the current loops (72). Thyristor gate driver circuits (70) are electrically coupled to the current transformer cores. Each of the driver circuits (70) receives and rectifies ac current signals for the current loops (70) and forms a current pulse train firing signal. A current pulse shaping circuit (64) is connected to the current loops and uses dual resonant LC circuits to generate the ac current signals.
Patent CA-2194363-C (CA)
Title: Absorbent article having a cushioning member and a barrier
Inventor: COLES PETER
IPC: A61F13/49
Filed: 1995-07-07
Granted: 2001-01-30
Abstract: An absorbent article (1) especially adapted for users ranging from walking infants to adults in a predominantly lying down position, comprising cushioning means (33) in at least the back waist region (56) of the article (1). A liquid barrier (35) is located between the cushioning means (33) and the absorbent core (3) to prevent liquids from migrating into the cushioning means (33). In one embodiment, the average basis capacity of the absorbent core (3) is highest in the back half section of the core.
Patent CA-2196132-C (CA)
Title: Method for automatically aggregating objects
Inventor: DAWES NICHOLAS W
IPC: H04L12/24
Filed: 1997-01-28
Granted: 2004-09-21
Abstract: A method for automatically aggregating objects and determining a hierarchical organization of these objects and aggregates by exploiting known or computed priorities and correlations.
Patent CA-2201270-C (CA)
Title: Stair-ladder platform
Inventor: SANDHAM JOHN MICHAEL
IPC: E06C7/44
Filed: 1997-03-27
Granted: 2005-11-08
Abstract: A portable stair-ladder platform comprising a ladder support platform (1) and a support member (3, 21, 41, 59, 75, 85) pivotally attached to the platform by a pivotal coupling (9, 84, 86), the parts being arranged such that, when assembled and in use with the ladder support platform substantially horizontal and the support member substantially vertical, an upwardly-facing  surface area of the support member abuts a downwardly-facing surface area of the ladder support platform, the pivotal coupling and the surface areas being arranged to tend to maintain substantially a right angle between the abutting parts even when weight is applied to the ladder support platform, and the pivotal coupling being such as to prevent pivoting of the support member substantially beyond the vertical in that angular direction which is towards the underside of the ladder support platform but whilst allowing pivoting of the support member in the other direction so as to allow the device to be collapsed for transportation or storage.
Patent CA-2205859-C (CA)
Inventor: WEAVER CASIMIR PAUL
IPC: E04D1/26
Filed: 1995-11-30
Granted: 2003-01-21
Abstract: Un bardeau (20) comporte une partie antérieure (32) et un talon (34). Une partie au moins du talon possède une couleur et/ou une teinte relativement uniformes, alors que la teinte d'une partie adjacente est dégradée du clair au foncé. On peut faire appel à plusieurs bandes horizontales (52, 54, 56) séparées par des bandes de transition (152, 154) pour obtenir le dégradé voulu. On crée une impression de profondeur ou d'épaisseur du bardeau sur la partie dégradée du talon. Le talon délimite partiellement la partie visible (42) du bardeau qui lui est associé. Les parties ayant une couleur et/ou une teinte relativement uniformes peuvent être formées sur des pattes ou des "dents de dragon" (36) alors que le dégradé de teinte peut être réalisé sur une couche de support (50) disposée entre les pattes. Des ouvertures (38) pratiquées entre les pattes permettent de visualiser le dégradé de teinte.
Patent CA-2210757-C (CA)
Title: Fresh air flow modulation device
Inventor: DORMAN DENNIS R
IPC: F16K1/22
Filed: 1995-12-06
Granted: 2001-03-20
Abstract: A device for monitoring and modulating the admission of fresh air into a building. The device comprises a housing (52); a sensor (54) associated with the housing (52) and operable to measure airflow through the housing (52); and a damper (51) including at least two damper blades (56). Each damper blade (56) includes a shaft (58) rotatably attached to the housing (52) at least at a first shaft end. The shaft (58) is located on the surface of the damper blade (56) so as to divide the surface (70) into first and second substantially equal areas (71, 72).
Patent CA-2213572-C (CA)
Title: Chirped optical fibre grating
Inventor: REEKIE LAURENCE
IPC: G02B5/18
Filed: 1996-02-22
Granted: 2007-06-12
Abstract: The invention provides a method of manufacturing a chirped optical fiber grating, the method comprising the steps of an etching the cladding of the optical fiber to vary the cross-sectional area of a portion of an optical fiber, and impressing a grating of uniform pitch on the portion of the fiber in which the portion of the fiber is subjected to different respective longitudinal forces du'ing the impressing step and during subsequent use of'the grating.
Patent CA-2214923-C (CA)
Inventor: SCOTT ROBERT
IPC: A61J3/07
Filed: 1997-09-09
Granted: 2009-05-26
Abstract: A process for encapsulation of caplets in a capsule and the solid dosage capsules obtained thereby. In particular, the manufacture of a tamper-proof capsule containing a pharmaceutically active composition. In a preferred embodiment, the caplet is greater in length than both halves of the capsule shell. In this embodiment, part of the caplet remains exposed after the capsule is manufactured.
Patent CA-2218542-C (CA)
Title: Cooked food staging device and method
Inventor: EWALD HENRY T
IPC: A47B88/04
Filed: 1996-05-10
Granted: 2005-02-15
Abstract: A cooked food staging device and method is provided. The cooked food staging device allows previously cooked food items, particularly sandwich fillings such as hamburger patties, fish fillets, biscuits, Canadian bacon, pork sausage, eggs, chicken patties, chicken fillets and nuggets, to be stored over extended periods of time at an elevated temperature without significant deleterious effects to the appearance, taste and texture of the food while avoiding risk of bacterial contamination. The food staging device is composed of a plurality of discrete compartments (40A-E) bounded by upper (64A-G) and lower (66A-G) heated compartment surfaces. Food can be stored within the compartments in trays (54A-F) having side walls of a height (68) such that a gap (76) is achieved between the top (70) of the tray and the upper compartment surface to limit and control the evaporation of liquid from the food stored therein.
Patent CA-2218993-C (CA)
Inventor: MILLER LARRY
IPC: H04N7/173
Filed: 1996-04-24
Granted: 2003-02-18
Abstract: L'invention concerne un système électronique de choix de programmes télévisuels assorti d'une possibilité de passer commande de produits. Ce système comporte un processeur de données destiné à recevoir des informations relatives à une pluralité de programmes, et un appareil de commande destiné à l'utilisateur, telle qu'une télécommande, lui permettant de générer des instructions de commande et de transmettre des signaux au processeur de données à cette occasion. Les informations relatives aux programmes télévisuels s'affichent sur l'appareil d'affichage tel qu'un récepteur de télévision. Un générateur d'affichage vidéo reçoit des instructions de commande vidéo de la part du processeur de données et des informations relatives aux programmes dont il affiche une partie sur le récepteur. Ces informations relatives aux programmes indiquent la disponibilité d'un produit ou d'un service pour certains programmes mentionnés dans lesdites informations, ce produit ou service étant associé au programme, comme par exemple un enregistrement ou une vidéocassette de ce dernier. Le spectateur se sert de la télécommande pour générer une première instruction en vue de l'affichage sur le récepteur d'informations décrivant le produit ou le service, et une deuxième instruction pour passer commande de ce produit ou service. Le processeur de données reçoit des instructions de commande de la part de l'utilisateur et, en réaction à la première instruction, demande au générateur d'affichage vidéo d'afficher les informations décrivant le produit ou le service, et en réaction à la deuxième instruction, génère une commande de ce produit ou service.
Patent CA-2225969-C (CA)
Title: Zoom lens system
Inventor: PARK CHEON-HO
IPC: G02B15/173
Filed: 1997-12-24
Granted: 2001-05-08
Abstract: A zoom lens system including a first lens group of a positive refractive power having two lenses which moves linearly toward an object for a magnification change; a second lens group of a negative refractive power at least having one lens of a negative refractive power and one lens of a positive refractive power cemented thereto; a third lens group of a positive refractive power which moves non-linearly toward the object for a magnification changes; and a fourth lens group of a negative refractive power which moves linearly toward the object for a magnification change.
Patent CA-2226787-C (CA)
Inventor: QUIRING RICHARD
IPC: E04H15/64
Filed: 1998-01-13
Granted: 2001-05-01
Abstract: The present invention provides a system for securing the fabric cover of a fabric covered building to the framework or foundation of the building. Along each side of the fabric cover, a tie-down member is fastened so as to extend substantially from one end of the fabric cover to the opposite end. This member is most conveniently a pipe inserted in pockets formed along the sides of the fabric cover, the member being exposed at intervals by cut-outs in the pockets. A plurality of individually adjustable tensioning means, such as a winch or come-along, are positioned along each side of the fabric cover and attached at one end to the tie-down member where it is exposed by the cut-outs and attached at the opposite end to the framework or ground anchoring foundation. The tensioning means exert an adjustable force on the tie-down members in the direction of the ground anchoring foundation.
Patent CA-2228591-C (CA)
Title: System and method for detecting mass addressing events
Inventor: KODIALAM MURALIDHARAN
IPC: H04M3/36
Filed: 1998-02-04
Granted: 2001-08-07
Abstract: A system and method for detecting mass addressing events comprising a first register, a second register, a first counter, and a second counter is disclosed. Potential mass addressing events are detected by comparing a most recently selected address to the contents of the first register and incrementing the first counter if they are equal, or loading the most recently selected address into the first register and initializing the first counter if they are unequal. If the first counter's count reaches a first count threshold, the contents of the first register are compared to the contents of the second register and the second counter is incremented if they are equal, or, if they are unequal, the contents of the first register are loaded into the second register and the second counter is initialized. If the second counter's count reaches a second count threshold, an alarm is issued. In an alternative preferred embodiment, the first and second registers and the first and second counters are periodically reset to reduce false mass addressing event alarms.
Patent CA-2233821-C (CA)
Inventor: SUENAGA KIYOSHI
IPC: F01D5/18
Filed: 1998-03-31
Granted: 2002-07-30
Abstract: The present invention relates to a gas turbine cooled moving blade in order to cool the gas turbine using steam alone.  In the moving blade, two cavities are installed in the lower part of the moving blade root section of the moving blade, a steam inlet is located in one cavity, and a steam outlet is installed in the other cavity.  Steam is charged from the steam inlet and passes through a serpentine cooling passage consisting of a plurality of steam passages, and discharged to the steam outlet and collected.  Bypasses are located near the base of the moving blade in the middle of each steam passage, so that cold steam on the leading edge side can be led into the bypass, mixed with the hot steam which comes from the tip section side and goes into the next downstream section of the steam passage, and flows to an upstream portion of the steam passage, thereby equalizing the steam temperature and cooling the steam over the entire range from the upstream to downstream of the steam flow.  A turbulator is installed in the middle of steam passage in order to generate turbulence and enhance heat transfer.          Since the moving blade is evenly cooled by steam alone without using air, and the steam is then collected, the performance of the gas turbine can be enhanced.
Patent CA-2240408-C (CA)
Title: Process for preparing intermediates for the synthesis of antifungal agents
Inventor: NIELSEN CHRISTOPHER M
IPC: C21C7/072
Filed: 1996-12-18
Granted: 2007-04-24
Abstract: A process for producing a crystalline chiral hydroxy ester of formula (1.0) is disclosed. The process comprises reacting a diol of formula (2.0), with an effective amount of isobutyric anhydride and an effective amount of a lipase enzyme in an effective amount of acetonitrile, said reaction being conducted at a low temperature, and wherein X1 and X2 are each independently selected from F or Cl.