baber/WOPTO huggingface dataset:
Patent CA-2399357-A1 (CA)
Title: Multipurpose hand puller
Inventor: YU HUI-NAN
IPC: A63B23/035
Filed: 2002-08-21
Abstract: A multipurpose hand pullet mainly comprises at least one set of hand pullers, pedals, handgrips and operation levers, in which each set of the puller consists of a casing, brake mechanism, sheave and pulling rope. The delicately designed structure and diverse manipulation of a handgrip and operation lever provide a great number of combination and multipurpose exercises with least space occupied and maximum benefit achieved.
Patent CA-2401453-A1 (CA)
Inventor: CASMAN STACIE
IPC: A61P31/18
Filed: 2001-02-28
Abstract: Disclosed herein are nucleic acid sequences that encode G-coupled protein- receptor related polypeptides. Also disclosed are polypeptides encoded by these nucleic acid sequences, and antibodies, which immunospecifically-bind to the polypeptide, as well as derivatives, variants, mutants, of fragments of the aforementioned polypeptide, polynucleotide, or antibody. The invention further discloses therapeutic, diagnostic and research methods for diagnosis , treatment, and prevention of disorders involving any one of these novel huma n nucleic acids and proteins.
Patent CA-2402699-A1 (CA)
Inventor: HAZRATI KATI
IPC: C04B28/04
Filed: 2001-03-26
Abstract: L'invention concerne un adjuvant destiné à réduire ou prévenir la formation de poussières sur les surfaces de structures de ciment et de béton durcies. Cet adjuvant comprend un additif de réduction de retrait en combinaison avec un alcool gras. L'invention concerne également des compositions à base de ciment contenant cet adjuvant, ainsi que des procédés destinés à réduire la formation de poussières sur des structures de ciment.
Patent CA-2403198-A1 (CA)
Title: Video data management, transmission, and control system and method employing distributed video segments microcasting
Inventor: AGUAYO ERWIN
IPC: H04N7/16
Filed: 2001-03-13
Abstract: The video data management, transmission, and control system and method of the present invention allows viewers to, instantly and without delay, view prerecorded, distributed and stored video programs, as well as live-broadcasts. Viewing will appear as if it had been broadcasted in real-time, as opposed to the delays associated with storing and downloading video programs.  The system and method of the present invention allows users to, inter alia, control "who views which video" within the user's customer premise equipment (CPE) or in-home local area network (LAN). Users can stop, pause, replay, rewind or fast-forward any segment of the video program, including a live broadcast (with the exception of the fast-forward function), with a remote control. Users can also choose to view stored sub-titles for foreign video programs in the language of their choice.
Patent CA-2403825-A1 (CA)
Inventor: ZETTL STEFAN
IPC: B28C7/02
Filed: 2001-03-08
Abstract: The invention relates to a process for the granulation of sludge- and optionally dust-form material, in which the material to be granulated is mixed with hydratable or hydraulically settable solids and water, which solids react exothermically with water and act as binder in the mixture, where the solids are allowed to hydrate or set fully or partly, and where the mixture containing the fully or partly hydrated or set solids is shaped into granules, where the solids and, if desired, dust-form materials to be granulated are wetted or moistened with water, and subsequently and/or at essentially the same time the solids are mixed with the material to be granulated. The invention also relates to an apparatus for carrying out the process.
Patent CA-2404554-A1 (CA)
Title: Contact lens having a uniform horizontal thickness profile
Inventor: BACK ARTHUR
IPC: G02C7/04
Filed: 2001-03-28
Abstract: A contact lens (20) having a rotational stabilization mechanism thereon, and a thickness profile that reduces the torque imparted on the lens by the action of the eyelids. The prism ballast is provided on one or more portions of the anterior face of the lens such that the lens body has a uniform thickness of within 10% along horizontal cross-section. The anterior face of the lens may be segregated into a peripheral zone (24), an inner zone (26) circumscribed by the peripheral zone (24), and a central optic zone (22). The prism ballast portion is provided within the inner zone (26), which may be further subdivided into a superior portion (40), an intermediate portion (44) proximate the optic zone (22), and an inferior portion (48). The ballast portion increases in thickness along a superior-inferior line parallel to a vertical meridian, and has a substantially uniform thickness perpendicular thereto.
Patent CA-2404823-A1 (CA)
Inventor: TURNER JOHN M
IPC: A61M5/142
Filed: 1997-03-21
Abstract: A medical infusion pump is disclosed which provides for greatly improved accuracy in the delivery of medica-ments to a patient. Among the various features included in the instant invention is a pumping body which serves to deform and reform a tube so as to maintain the initial cross section thereof and thereby preserve the output accuracy of the pump. Also disclosed with regard to the pumping body is a wholly mechanical synchronization of the pump-ing body and valves associated therewith and coactive with the aforementioned synchronization a mechanical lineariza-tion of output of the pumping body per each pumping cy-cle. Additionally, several features which serve to enhance the utility of the instant invention are also included therein among which is an associated assembly operative to auto-matically load or disload a tube or IV set into or out of the pumping body. Associated with tire assembly operative to automatically load or disload a tube and disclosed herein is an assembly operative to selectively open or close a slide clamp associated with the tube in each a way as to ensure that the tube is occluded such that in combination with the valves associated with the pumping body, a condition of free-flow of medicament is never realized. Additionally disclosed are sensor housings adapted to measure various Quantities associated with fluid flowing through the tube wherein the housings are with associated components adapted to achieve a substantially normal orientation with respect to the sidewall of the tube and in the achieving of such normal orientation, expressing an essentially zero elastic stress gradient across the tube.
Patent CA-2404885-A1 (CA)
Title: Raccord a diametre reduit de tuyaux pour puits de petrole
Inventor: SUMITANI KATSUTOSHI
IPC: F16L15/06
Filed: 2001-03-29
Abstract: L'invention concerne un raccord fileté de tuyaux pour puits de pétrole d'un système intégré, capable d'assurer une étanchéité pour résister à une utilisation pratique en tant que raccord de tuyaux pour puits de pétrole profond. A cet effet, le diamètre externe dudit agencement est réduit et les capacités de résistance à la flexion, aux compressions et aux serrages exagérés, nécessaires dans un système de déviation, sont augmentées. Dans ladite invention, ledit raccord offre une efficacité d'au moins 70 %, présente un diamètre extérieur d'au maximum 1,08 fois supérieur au diamètre extérieur d'un corps principal de tuyaux de puits de pétrole et une section transversale partielle filetée présente un filetage trapézoïdale avec un angle (y) de flanc de surface de charge du filet de 0 à 20 degrés et un angle (x) de flanc de surface d'insertion du filet de 35 à 50 degrés.
Patent CA-2405439-A1 (CA)
Inventor: PARK IN-SIK
IPC: G11B20/10
Filed: 2002-09-26
Abstract: An optical recording medium storing information about powers of an erase pulse is provided. The optical recording medium allows data to be recorded on, erased from, and reproduced from. In the optical recording medium, erase pattern information including information about power levels of start and last pulses of an erase pattern for erasing data is recorded. The start and last pulses of the erase pattern that can be differently set depending on kinds of recording layers of disks, kinds of disks, or each layer of a multi-layered recording layer are recorded in a reproducible only area of the optical recording medium. Thus, the time required for selecting an optimal erase power for the optical recording medium in which the recording apparatus is inserted can be considerably reduced.
Patent CA-2405769-A1 (CA)
Title: A method of distinguishing between living and dead cells using viability probes
Inventor: RUDI KNUT
IPC: C12Q1/6809
Filed: 2001-04-10
Abstract: The present invention relates to methods of detecting cells in a sample and to obtaining quantitative information about cell populations within a sample. In particular, the present invention provides a method of distinguishing between living and dead cells in a sample, said method comprising: (a) contacting the sample with a viability probe which modifies the nucleic acid of dead cells within the sample; and (b) detecting nucleic acid from the cells in the sample. Also described is a method of detecting cells in a sample, said method comprising: (a) contacting the sample with a viability probe which labels the nucleic acid of dead cells within the sample; (b) separating the nucleic acid from the cells into labelled and non-labelled fractions; and (c) detecting the nucleic acid in one or both of the fractions.
Patent CA-2406936-A1 (CA)
Title: Piezoelectric resonator and assembly comprising the same enclosed in a case
Inventor: STUDER BRUNO
IPC: H03H9/10
Filed: 2002-10-09
Abstract: The resonator according to the invention, which is intended to be mounted in a case, includes a tuning fork shaped part (42) with two parallel arms (44, 46) connected to each other by a base (48) and carrying electrodes (52, 54) to make them vibrate, these electrodes being connected to connection pads (60, 62) intended to be electrically connected to the exterior of the case. In accordance with the invention, the resonator (40) also includes a central arm (50) attached to the base (48) and located between the arms (44, 46) of the tuning fork shaped part (42), substantially equidistant from them, this central arm (50) having a greater mass than that of the arms of the tuning fork shaped part and the connection pads (60, 62) are carried by this central arm. This resonator (40) is mounted in a case of parallelepiped shape by fixing its central arm (50) to at least one support secured to the bottom of the case.
Patent CA-2407483-A1 (CA)
Title: Ensemble de capteur de gaz et procede correspondant
Inventor: DOWNER ANTHONY CHARLES
IPC: G01N33/00
Filed: 2001-04-26
Abstract: Un ensemble de capteur de gaz comprend un boîtier (65) comprenant un trou foré (61). Une broche (50) fait saillie à travers le trou foré (61), et un joint torique (100) est disposé dans le trou foré. Le joint torique (100) entre en contact avec la broche (50) et des parties du trou foré (61) de manière à être limité dans ses mouvements dans les directions latérale et axiale. On décrit des procédés de moulage à deux coups destinés à fabriquer ledit ensemble.
Patent CA-2408455-A1 (CA)
Title: Gas sensor calibration system
Inventor: DOWNS CHARLES EDWARD
IPC: G01N33/00
Filed: 2001-05-11
Abstract: The present invention provides a method of calibrating sensors within a gas detector (36) having a housing containing a gas inlet whereby gas can diffuse from the inlet to the sensors. The gas inlet in the housing is held against part (34) of the calibration apparatus to form a sealed gas interface between the apparatus and the detector; a source (10) of pressurised calibration gas is connected to the apparatus, and a predetermined dose of calibration gas is delivered to the interface between the detector (36) and the calibration apparatus (34) at a predetermined pressure.  The source (10) of pressurised calibration gas may contain single or multiple calibration doses and, if the former, the calibration apparatus includes a dosing system such as cylinder (14) for metering individual doses of calibration gas.
Patent CA-2409414-A1 (CA)
Inventor: CAPRON ANDRE
IPC: A61K38/00
Filed: 2001-03-12
Abstract: The invention concerns a novel SSA-56kDA polypeptide and its fragments, cDNA cloning and polynucleotides encoding said polypeptides, cloning and/or expression vectors including said polynucleotides, cells transformed by said vectors and specific antibodies directed against said polypeptides. The invention also concerns methods for detecting and/or assaying said polypeptides and polynucleotides, corresponding diagnostic kits, a method for screening ligands, a method for detecting anti-Ro/SSA-like autoantibodies, a method for purifying a human biological fluid capable of containing anti-Ro/SSA-like autoantibodies, and compounds for use as medicines for preventing and/or treating viral pathologies such as AIDS and autoimmune diseases, in particular systemic lupus erythematosus (SLE)and Sjögren syndrome.
Patent CA-2409538-A1 (CA)
Title: Oven and methods for operating same
Inventor: CORNETT HIRAM DWAYNE
IPC: F24C15/32
Filed: 2002-10-24
Abstract: An oven includes an oven cavity, at least one heat source disposed in the cavity; and only one reversible fan disposed in the cavity, the fan is configured to change an airflow pattern in the cavity by reversing a direction of rotation.
Patent CA-2410492-A1 (CA)
Title: Method of using dna episomes to suppress gene expression in plants
Inventor: HANLEY-BOWDOIN LINDA K
IPC: C12N15/82
Filed: 2001-06-07
Abstract: The introduction of DNA episomes into plant cells to reduce or prevent the expression of endogenous plant genes is described. Geminivirus vectors to provide silencing, preferably systemic silencing, of endogenous plant genes in a plant are described. Further provided are methods of silencing one or more plant genes, for example, to reduce unwanted gene products or for rapid screening of gene function in plants.
Patent CA-2411238-A1 (CA)
Title: Circuit breaker for detecting an excessive voltage and tripping responsive thereto
Inventor: ELMS ROBERT TRACY
IPC: H02H9/04
Filed: 2002-11-06
Abstract: A circuit breaker includes a line terminal adapted to receive a line voltage having a nominal voltage value and an excessive voltage value, a loa d terminal, one or more neutral terminals, and separable contacts electrically  connected between the line and load terminals. An operating mechanism opens and closes  the separable contacts. A trip circuit cooperates with the operating mechanism t o trip open the separable contacts. The trip circuit includes a solenoid having a trip coil with a threshold voltage for energization, a circuit adapted to detect an ar c fault or ground fault trip condition and to responsively energize the trip coil with the line voltage, and a MOV adapted to detect an excessive voltage condition associat ed with the load and neutral terminals and to responsively energize the trip coil wi th at least the threshold voltage.
Patent CA-2413903-A1 (CA)
Title: Surgical instrument having a fastener delivery mechanism
Inventor: NORVELLE DAVID K
IPC: A61F2/00
Filed: 2002-12-10
Abstract: A delivery device for delivering a plurality of individual surgical fasteners. The delivery device includes a drive mechanism having distal and proximal ends.   The drive mechanism has a moving member and a fixed opposing member, wherein the moving member is moveable proximally and distally with respect to the delivery device. The moving member has a sharpened distal end for piercing tissue. The device includes at least one surgical fastener located between the first and the second members. Each of the at least one surgical fasteners has a proximal and and a distal end. The device also has an actuator having at least two sequential positions.  A first position for moving the moving member distally and piercing tissue, and a second position for moving the moving member proximally, thereby deploying the distal end of the fastener.
Patent CA-2415040-A1 (CA)
Inventor: VENKAIAH CHOWDARY NANNAPANENI
IPC: C07C225/16
Filed: 2001-03-19
Abstract: This invention relates to an improved process for the preparation of quinolone drugs of the formula (I), wherein R=C¿1?-C¿6? alkyl, C¿3?-C¿6? cycloalklyl, aryl, substituted aryl, NR?1¿R?2¿=diarylamino, arylalkylamino, C¿1?-C¿6?-dialkylamino, piprazinyl, N or C alkyl (C¿1?-C¿6?) substituted piperazinyl, morpholino, pyrrolidinyl, substituted pyrrolidinyl, aralkyl, substituted aralkyl etc. Some of the compounds falling within the formula (I) are ciprofloxacin, enrofloxin, pefloxacin, etc. These compounds are useful as antibacterial drugs. The process of the present invention for preparation of compound of formula (I) comprises in enhancing the reactivity of the displaceable halogen (X) in the compound of the formula (II) towards various amines of formula (III) wherein R = as defined for compound of formula (I), R?3¿=COOR?6¿ (R?6¿=C¿1?-C¿6? alkyl, aryl, aralkyl), nitrile a carboxamide (-CONR?7¿R?8¿, R?7¿ and R?8¿ = C¿1?-C¿6? alkyl, C¿3?-C¿6? cycloalkyl, aralkyl), X = Cl, Br, F; NR?1¿R?2¿ = as defined above by introducing a nitro group ortho to the displaceable halo group and subsequently removing the nitro group in a conventional manner. The process of the present invention enhances the yield of the compound of the formula (I) and also improves the quality of the prepared compound.
Patent CA-2415439-A1 (CA)
Inventor: MCTAVISH DOUGLAS BRENT
IPC: B23K9/28
Filed: 2002-12-30
Abstract: There is provided a flexible cover for protecting a welded electrode holder, which comprises an elongate arceol hollow body; a protrusion extending outwardly from a lower side of the body; and a lip extending inwardly around the border of at least one aperture of the body. Upon mounting the cover on a welded electrode holder, the cover flexes and adopts the shape of the holder and the lips engages an external circumference of the holder.
Patent CA-2423465-A1 (CA)
Title: Method for coding data packets particularly for transmitting over an air interface
Inventor: CUYLEN MICHAEL
IPC: G06K19/07
Filed: 2001-09-14
Abstract: The invention relates to a method for coding data packets (DP) comprising at  least one control command (S) and one data byte (B). To this end, the data packets are divided up into sequences of control and/or data time blocks (SB , DB) each having a predetermined number (M) of time segments (ZS), whereby these can assume an on-value or off-value (EW, AW). At least one control command is coded in the time segments of a control time block, and a data by te is coded in the time segments of two data time blocks, whereby an on-value follows each time segment with an off-value. The method can be advantageousl y used in identification systems (IS) in mobile data carriers (DT) and in write/read devices (SL). The inventive method results in the provision of a higher data transfer rate for transmitting data packets.
Patent CA-2425997-A1 (CA)
Title: Beam steering arrangements and optical switches
Inventor: DAMES ANDREW NICHOLAS
IPC: G02B6/42
Filed: 2001-12-04
Abstract: To steer a beam in an optical switch, a collimator joined to an optical fibre along a Z-axis is mounted in a gimbal for rocking movement about X and Y axes.  A piezoelectric actuator extends alongthe Z-axis and is symmetric about the fibre. An angular position sensor on the collimator provides feedback for use in steering the beam.
Patent CA-2434302-A1 (CA)
Title: Therapeutic and diagnostic compounds, compositions, and methods
Inventor: FRITZBERG ALAN R
IPC: A61P25/28
Filed: 2002-01-08
Abstract: The invention provides a complex comprising a) a compound formula I: wherein R1, X and n have any of the values described in the specification, or a pharmaceutically acceptable salt thereof; and b) a radionuclide. The complexes are useful as diagnostic agents and as therapeutic agents. The invention also provides methods and intermediates useful for preparing the complexes of the invention, as well as therapeutic and diagnostic methods.
Patent CA-2435307-A1 (CA)
Title: Process for producing aluminum diacetate monobasic
Inventor: JEROME JAMES E
IPC: C07F5/06
Filed: 2002-01-17
Abstract: The present invention provides a new process for preparing aluminum diacetate monobasic. The process of the invention comprises the steps of: (a) agitating a reaction mixture comprising an aqueous acetic solution and a sodium aouminate solution to form aluminum diacetate monobasic and sodium acetate in the reaction mixture; and (b) adding aluminum chloride solution to the reaction mixture in an amount sufficient to react with sodium acetate to obtain a resulting product comprising aluminum diacetate monobasic.
Patent CA-2435638-A1 (CA)
Inventor: DOUZIECH MAURICE J
IPC: E01H5/02
Filed: 2003-07-21
Abstract: The present invention is concerned with a two-handled shovel for use in lifting or moving heavy loads, such as snow. The present invention comprises a snow shovel having a second handle assembly pivotally attached to the blade of the shovel.  The assembly is an inverted U-shaped element having two legs and a handle grip.  Each handle of the shovel has a rotatable hand grip that allows a person to keep their wrists stationary when lifting or moving snow. The second handle assembly further comprises means for adjusting the length of the legs to suit the person using the shovel.
Patent CA-2435692-A1 (CA)
Inventor: NAGASAKI TAKAYOSHI
IPC: C07D471/04
Filed: 2002-01-22
Abstract: Compounds of formula (I): [wherein: A is a pyrrole ring; R1 is an optionally substituted aryl or heteroaryl group; R2 is an optionally substituted nitrog en- containing heteroaryl group; and R3 is formulae (IIa), (IIb) or (IIc), where in m is 1 or 2, one of D and E is nitrogen and the other is >C(R5)- (wherein R5 is hydrogen, a Substituent .prop. or a Substituent .beta.), B is a nitrogen- containing 4- to 7-membered heterocyclic ring, and R4 is from 1 to 3 substituents from Substituent group .prop., substituent group .beta. and Substituent group .gamma.; PROVIDED THAT R1 and R3 are bonded to the two ato ms of said pyrrole ring which are adjacent to the atom of the pyrrole ring to which said substituent R2 is bonded; Substituent group .prop. consists of hydroxyl, nitro, cyano, halogen, alkoxy, halogeno alkoxy, alkylthio and halogeno alkythio groups and groups of formula NRaRb (wherein Ra and Rb are hydrogen, alkyl, alkenyl, alkynyl, aralkyl and alkylsulfonyl, or Ra and Rb, taken together with the nitrogen atom to which they are attached, form a heterocyclyl); Substituent group .beta. consists of optionally substituted alkyl, alkenyl and alkynyl groups, and aralkyl and cycloalkyl groups; Substituents group .gamma. consists of oxo, hydroxyimino, alkoxyimino, alkylene, alkylenedioxy, alkylsufinyl,alkylsulfonyl, optionally substituted aryl, optionally substituted aryloxy, alkylidenyl and aralkylidenyl groups] have excellent activity against the production of inflammatory cytokines.</S DOAB>
Patent CA-2436111-A1 (CA)
Title: Method for removing impurities from solvent extraction solutions
Inventor: PERRAUD JEAN-JACQUES ROBERT
IPC: B01D11/04
Filed: 2003-07-14
Abstract: A method for regenerating an amine extractant used for recovery of metals involves contacting a liquid organic phase containing an amine complexed with one or more metals with an aqueous solution substantially free of chloride ions to strip the one or more metals from the organic phase. The stripped organic phase is then contacted with a solution of hydrochloric acid to regenerate the amine extractant which can then be recycled in a production process.
Patent CA-2437420-A1 (CA)
Title: Methods and apparatus for a controllable vapor-dispensing device
Inventor: CONWAY MARY J
IPC: A61L9/03
Filed: 2003-08-15
Abstract: A vapor-dispensing device exhibiting a range of evaporation rates corresponding to a discernable range of sensory fragrance intensity levels. The vapor-delivery device includes one or more control structure (e.g., a heat control, a vent control, and/or the like) configured to allow a user to specify the evaporation rate of the vapor-dispensing device over a continuous or discretized range of values. In accordance with another aspect of the invention, the two extremes of operation correspond to a range of sensory fragrance intensity values that span at least three minimum perceivable intensity zones.