baber/WOPTO huggingface dataset:
Patent CA-2287024-A1 (CA)
Title: Method and apparatus for spectroscopic analysis of heterogeneous materials
Inventor: CIELO PAOLO
IPC: G01N21/71
Filed: 1999-10-20
Abstract: A method and apparatus for rapid in-situ spectroscopic analysis of unknown heterogeneous materials is disclosed. The apparatus uses a high power pulsed laser whose beam is focused on the material, typically a porous compound of unknown composition such as an amalgamated powder or a mineral sample. The pulsed laser beam vaporizes a small volume of the material and produces a plasma having an elemental composition which is representative of the material composition. The optical emission of the plasma is analyzed with an optical spectrometer. The pulsed spectrum is detected by a gated photodiode array detector or by an array of individually positioned photomultipliers, to detect a background emission and a line emission representative of a given element present in the material. Because such measurements may fluctuate considerably for porous materials due to unpredictable variations of the plasma temperature and the amount of vaporized mass, the signals are normalized by establishing a ratio of the intensity of the signals to that of the background plasma emission.
Patent CA-2287107-A1 (CA)
Inventor: PEIN ANDREAS
IPC: A61M1/00
Filed: 1999-10-25
Abstract: A device for removing pathological centers is therefore proposed which consists of a supply capillary (11) with a supply channel (14), wherein the supply channel (14) has at its proximal end a throttle and is operatively connected to the discharge channel (13) of the discharge capillary (12).
Patent CA-2288124-A1 (CA)
Title: Device for drying substrates
Inventor: WEBER KLAUS
IPC: G11B7/26
Filed: 1998-05-14
Abstract: The invention relates to a device for drying disk substrates (3) by means of exposure to ultraviolet light. A glass plate (11) lies on the disk substrate (3) during this process. The aim of the invention is to provide simple technical means for ensuring a low level of waste and a better quality disk substrate with a device which is easy to handle. To this end, the inventive device has an upper part (6) which can be raised and lowered, for lowering the glass plate onto the disk substrate (3), said disk substrate lying on a lower part (23).
Patent CA-2288582-A1 (CA)
Title: Thermal control cooling system relief valve
Inventor: HARRIS ROBERT S
IPC: F01P11/02
Filed: 1999-11-05
Abstract: A closure apparatus adapted to mount on a cooling system is formed to include a flow passage arranged to receive fluid discharged from the cooling system. A relief valve is positioned to move between an opened position permitting fluid to flow through the flow passage and a closed position blocking the flow of fluid through the flow passage. The relief valve includes a temperature-activated element moving to a first position when heated to a first predetermined temperature to urge the relief valve to the closed position, and to a second position when cooled below a second predetermined temperature to permit the relief valve to move to the opened position. A pressure-relief valve is positioned in an outer shell to move between an opened position permitting fluid to flow from the cooling system and a closed position sealing the cooling system to block the flow of fluid from the cooling system.
Patent CA-2290561-A1 (CA)
Inventor: BELL PHIL
IPC: B06B1/02
Filed: 1998-05-19
Abstract: A control system for a probe, including a transmission member, comprises a power source for supplying a constant power to a transmission member and a transducer for coupling the constant power to the transmission member and for providing a mechanical output to the transmission member at a frequency. A  frequency measuring device is also provided for constantly measuring the frequency of the mechanical output of the transducer. A current monitoring device for measuring current forwarded to the transducer which monitors the current while the frequency of said mechanical output is varied until it is determined at what frequency the current is at a maximum is also provided. A  method for implementing this apparatus is also provided.
Patent CA-2291975-A1 (CA)
Title: Quaternary ammonium compounds
Inventor: ALKER DAVID
IPC: C07D/
Filed: 1998-06-05
Abstract: The present invention provides a compound of formula (I) wherein R is phenyl, C3-C7 cycloalkyl or heteroaryl, each of which being optionally benzo- or C3-C7 cycloalkyl-fused and optionally substituted, including in the benzo- or C3-C7 cycloalkyl-fused portion, by from 1 to 3 substituents each independently selected from C1-C4 alkyl, fluoro(C1-C4)alkyl, C1-C4 alkoxy, fluoro(C1-C4)alkoxy, phenoxy, C2-C4 alkanoyl, halo, C1-C4 alkoxycarbonyl, C3-C7 cycloalkyl, -S(O)m(C1-C4 alkyl), cyano, -NR2R3, -S(O)m NR2R3, -NR4(C1-C4 alkanoyl) and -CONR2R3, or R is 2,3-dihydrobenzo[b]furanyl or chromanyl; R1 is H or C1-C6 alkyl; W is a direct link, methylene or ethylene; X is unbranched C2-C4 alkylene; Y is phenyl, naphthyl, benzyl, pyridyl, thienyl or C3-C7 cycloalkyl, each of which being optionally substituted by from 1 to 3 substituents each independently selected from C1-C4 alkyl, fluoro(C1-C4)alkyl, C1-C4 alkoxy, fluoro(C1-C4)alkoxy, halo and cyano; Ar is phenyl, naphthyl, benzyl, thienyl, benzo[b]thienyl or indolyl, each of which being optionally substituted by from 1 to 3 substituents each independently selected from C1-C4 alkyl, fluoro(C1-C4)alkyl, C1-C4 alkoxy, fluoro(C1-C4)alkoxy, halo and cyano, or Ar is 1,3-benzodioxolan-4 or 5-yl or 1,4-benzodioxan-5 or 6-yl; Z A is a pharmaceutically acceptable anion; with the proviso that when W is a direct link and R is optionally fused and optionally substituted heteroaryl, said heteroaryl is linked by a ring carbon atom to the carbonyl group. The compounds are tachykinin antagonists.
Patent CA-2292683-A1 (CA)
Title: Foldable u-shaped profile, its manufacturing process and installation for embodiment of the process
Inventor: BIRKEL THIERRY
IPC: B65D5/32
Filed: 1999-12-17
Abstract: The invention relates to a U-channel comprising a base (1a) and two side legs (1b, 1c), which is characterized in that a longitudinal folding line (2') runs in its base (1a), in particular near the median line of said base, in such manner that this base is able to fold inward while the legs (1b, 1c) flare outward, whereby the channel structure may be transformed into a substantially cross-sectional W structure to facilitate its stacking in particular for storage and/or shipping. The invention also relates to a manufacturing method for such a channel and to equipment with which to carry out the method.
Patent CA-2294540-A1 (CA)
Inventor: GREER RICHARD L
IPC: B05B15/06
Filed: 1998-05-29
Abstract: A fluid nozzle (11) for threaded insertion into a drill bit (10).      The nozzle (11) is equipped with a drive head (21) that receives a socket-type torquing tool (25). The torque forces exerted by the tool compress the drive head, permitting larger torque forces to be exerted on the nozzle. Use of a compressive drive structure permits the use of less material, which in turn permits a larger flow passage to be formed through the nozzle for a given nozzle size. The facets (22, 23 and 24) of the drive area may be inclined relative to the nozzle axis to limit the torque force applied by a drive tool. When the torque force exceeds a limit determined by the configuration and inclination of the facets, the tool is forced axially off of the drive area.
Patent CA-2297178-A1 (CA)
Inventor: HUNGER ERICH
IPC: B25F3/00
Filed: 1998-04-22
Abstract: The present invention relates to an attachment (3) to be adapted onto a driving mechanism (2), comprising a thin single-support or multi-support drill (29) and elements enabling the moment of torsion acting upon the drill (29) as well as the depth of penetration to be be plotted or stored. The aim of the invention is to develop a small-size and light-weight drilling machine. This can be done by adjusting said attachment (3) onto the upper part of commercially available electrical drilling machines (2), so as to have an appliance unit, and by inserting between the attachment (3) and the drillling machine (2) an adaptor (4), the upper part of which interlocks with said attachment (3), while the lower part interlocks with the type of drilling machine used.
Patent CA-2297568-A1 (CA)
Title: Multi-phase solid ion and electron conducting membrane with low volume percentage electron conducting phase and methods for fabricating same
Inventor: CHEN CHIEH-CHENG
IPC: C04B38/00
Filed: 2000-02-01
Abstract: A multi-phase solid electrolyte ion transport membrane comprising at least two phases wherein one of the phases comprises an oxygen ion single conductive material. The other phase comprises an electronically-conductive metal or metal oxide conducting phase is present in a low volume percentage. One method for achieving this result incorporates the minority phase into the powder from which the membrane is made by deposition of the metal or metal oxide from a polymer made by polymerizing a chelated metal dispersion in a polymerizable organic monomer or prepolymer. The multi-phase composition advantageously comprises a first phase of a ceramic material and a second phase of a metal or metal oxide bound to a surface of the ceramic material. A second method fabricates the membrane from a mixture of two powders one of which contains a mixture of the two phases.
Patent CA-2302465-A1 (CA)
Inventor: KLIMA WALTER F JR
IPC: B65D1/02
Filed: 1998-07-20
Abstract: La présente invention concerne des distributeurs et des récipients rechargeables, en particulier des distributeurs de type pulvérisateurs, comprenant au moins un réservoir (816) de produit chimique permettant de recharger ledit pulvérisateur (808). Le pulvérisateur (808) comporte une pluralité de réservoirs de produits chimiques séparés contenant des concentrats chimiques de façon à recueillir totalement tout produit chimique renversé par inadvertance et à assurer un degré de sécurité élevé contre des renversements accidentels et/ou une ingestion accidentelle par un enfant.
Patent CA-2302945-A1 (CA)
Title: Electronic switch for quick, automatic response to current overloads
Inventor: KONSTANTINOVSKY EDUARD
IPC: H01H9/54
Filed: 1998-09-08
Abstract: An electronic switch circuit (10) including an electromagnetic relay device (18) having an electromagnet (20) and at least two contacts (21), a controlled semiconductor device (22), a semiconductor command circuit (24) for controlling the controlled semiconductor device (22), a relay command circuit (28) for controlling the relay device (18) and the semiconductor command circuit (24), an overload sensor (26) for reporting the relay command circuit (28) of a current overload, a resistor (32), and an inducer (34); wherein when the contacts (21) are disconnected, the resistor (32) experiences a higher current load, automatically signals the semiconductor command circuit (24), which turns the controlled semiconductor device (22) off; and further wherein the inducer (34) generates an induction field of a magnitude sufficient to induce the electromagnet (20) of the electromagnetic relay device (18) to disconnect the contacts when the inducer (34) experiences a current overload above a predetermined threshold.
Patent CA-2304018-A1 (CA)
Inventor: GIGON RENE
IPC: F04C18/02
Filed: 1997-09-16
Abstract: The invention concerns a pump with spirals comprising means (29, 19, 19A) for preserving a minimum clearance between the joints (5) arranged on the ridges of each spiralling wall (27, 28, 33, 34) and the flat wall (25, 26, 31, 32) facing it. Such an arrangement, which is made possible by the low pressure difference prevailing between the two adjacent transfer chambers (50, 51), prevents the wear of the joints, the soiling of the transfer chambers as well as overheating caused by friction between the joints.
Patent CA-2305516-A1 (CA)
Title: Production de materiau particulaire a ecoulement fluide a l'aide d'acides gras partiellement neutralises
Inventor: KINNIARD STEPHEN PHILLIP
IPC: C08K9/04
Filed: 1998-10-08
Abstract: On produit des agglomérats sphériques d'un matériau finement divisé, des oxydes inorganiques par exemple, en mélangeant une bouille épaisse de ce matériau finement divisé et une solution d'acide carboxylique partiellement neutralisé.
Patent CA-2309025-A1 (CA)
Title: Fuel cell stack monitoring and system control
Inventor: KESKULA DONALD H
IPC: H01M8/04
Filed: 2000-05-23
Abstract: A control method for monitoring a fuel cell stack in a fuel cell system in which the actual voltage and actual current from the fuel cell stack are monitored. A preestablished relationship between voltage and current over the operating range of the fuel cell is established. A variance value between the actual measured voltage and the expected voltage magnitude for a given actual measured current is calculated and compared with a predetermined allowable variance. An output is generated if the calculated variance value exceeds the predetermined variance. The predetermined voltage-current for the fuel cell is symbolized as a polarization curve at given operating conditions of the fuel cell.      Other polarization curves may be generated and used for fuel cell stack monitoring based on different operating pressures, temperatures, hydrogen quantities.
Patent CA-2311088-A1 (CA)
Inventor: MARKI CHRISTIAN
IPC: H05H1/42
Filed: 2000-06-09
Abstract: A plasma spraying apparatus is provided comprising a plasma gun shaft member and a plasma gun head member, connected to the plasma gun shaft member and adapted to create a plasma torch escaping radially from the head member. In order to enable the plasma gun head member and, thereby, those parts and elements thereof that are subject to wear quickly and easily, the plasma gun head member is of modular design. For fixing the plasma gun head member to the plasma gun shaft member, the electrical contact elements provided for transmitting electrical power on the plasma gun head member are used. These electrical contact elements tower above that front face of the plasma gun head member that is intended to be connected to the plasma gun shaft member. Clamping the head member to the shaft member is accomplished by means of quick release lever members provided on the shaft member. That lever members are provided with eccentric portions engaging recesses provided on the electrical contact elements.
Patent CA-2311281-A1 (CA)
Inventor: NITTA MASAHIRO
IPC: C12Q1/68
Filed: 1998-12-08
Abstract: L'invention concerne des méthodes et des compositions se rapportant à des protéines CPF lesquelles régulent l'activation transcriptionnelle, ainsi qu'aux acides nucléiques associés. Les polypeptides peuvent être produits par recombinaison à partir de cellules hôtes transformées provenant des acides nucléiques codant le CPF décrit ou purifiées à partir de cellules humaines. L'invention concerne également des sondes et des amorces d'hybridation du CPF isolées capables de s'hybrider spécifiquement aux gènes du CPF décrits, des agents de liaison spécifiques du CPF tels que des anticorps spécifiques, et des méthodes de production et d'utilisation des compositions de l'invention en diagnostic, en thérapie et dans l'industrie biopharmaceutique.
Patent CA-2312539-A1 (CA)
Title: Bipolar electrosurgical instrument including a plurality of balloon electrodes
Inventor: LONG GARY L
IPC: A61N1/06
Filed: 2000-06-27
Abstract: A bipolar electrosurgical instrument is described which may be used for heating the inner lining of a lumen or cavity within a patient. In particular, the present invention is directed to an electrosurgical instrument including a flexible elongated tube having a proximal and a distal end, a first balloon electrode attached to the distal end of the flexible elongated tube. The first balloon electrode includes a first expandable sleeve formed from an electrically insulating material and a first electrically conductive fluid in the expandable sleeve. A first electrode is positioned in electrical contact with the first electrically conductive fluid. A return balloon electrode is spaced proximally from the first balloon electrode, wherein the return balloon electrode includes a second expandable formed from an electrically insulating material and a second electrically conductive fluid disposed within the second expandable sleeve. A return electrode is positioned in electrical contact with the second electrically conductive fluid.
Patent CA-2313942-A1 (CA)
Inventor: TRAVERSO GIOVANNI
IPC: H04J3/06
Filed: 2000-07-14
Abstract: Method for mapping tributaries in time division frames in telecommunications networks, comprising: a) storing a tributary to be stored (FTU) by means of a first writing step (.PHI.W, CKW); b) retrieving a stored tributary (FTU') by means of a second reading step (.PHI.R, CKR); c) inputting movable bytes (R, J2, N2) in the retrieved stored tributary (FTU'), the position of said movable bytes (R2, J2, N2) depending from the reading step (.PHI.R, CKR), which determine an irregularity (G) in the reading step (.PHI.R, CKR). According to the present invention, before carrying out step a), it is provided for the step of modifying the tributary to be stored (FTU), so that the first writing step (.PHI.DW, CKW) will show an irregularity (B) which is analogous to the irregularity (G) of the second reading step (.PHI.R, CKR).
Patent CA-2315352-A1 (CA)
Title: Channel band conversion apparatus for optical transmission systems
Inventor: ZHOU JIANHUI
IPC: H04J14/00
Filed: 2000-08-03
Abstract: The number of optical channels that may be used to transmit information/data is greatly enhanced using an optical transmission facility having a transmitter that outputs optical signals having respective wavelengths within a first bandwidth, e.g., the C band, combines the latter signal with an optical signal having a wavelength between the first bandwidth and a second bandwidth, e.g., the L-band, and, using a non-linear frequency converter, processes the combined signal to form at least optical signals having wavelengths within the second bandwidth that correspond with the wavelengths of the optical signals within the first bandwidth. In this way, equipment designed for the C band may also be used to process optical signals with another, second band.
Patent CA-2316333-A1 (CA)
Inventor: KASS POVL
IPC: H01J61/34
Filed: 1998-12-29
Abstract: The present invention relates to a lamp device comprising a lamp tube (1), such as a UV intermediate pressure lamp, which is arranged in an outer globe (2) mounted in a socket (4). The end area of the outer globe (2) is enclosed by sealing means (5, 6, 7, 8, 9) for ensuring mutual vacuum-tight mounting of socket (4) and outer globe (2). It is further possible to re-use most of the elements in the lamp. Merely the worn down lamp tube must be replaced. This is particularly important when using a lamp device according to the invention in a UV system for photochemical water purification. The lamp device may additionally comprise a regulation device for regulating the intensity of electromagnetic radiation in selected wavelengths, said regulation device comprising means for temperature measurement of an inactive gas in the outer globe and means for regulating the tube voltage of the lamp.
Patent CA-2320107-A1 (CA)
Title: Tunable bragg gratings and devices employing the same
Inventor: SRINIVASAN BALAJI
IPC: G02F1/01
Filed: 1999-02-08
Abstract: A D type optical fiber (10') was adhered to a conductive layer (18) through the flat side of the optical fiber (10') and the cladding (16) was removed in area (20) without damage to the core (14). Electrical connection is made through the projection (24) which allows good contact when used alone or in conjunction with a previously deposited conductor (20). The cladding removal process may also be done on both sides when a round optical fiber is used rather than a D type fiber. The electrooptical devices made using this process may also include bragg gratings which may be impressed using an applied voltage, UV radiation, thermal heating or a combination of any of these.
Patent CA-2320439-A1 (CA)
Title: Densifying a preform using a liquid precursor
Inventor: CONNORS DONALD F JR
IPC: F16D69/02
Filed: 1999-01-14
Abstract: The invention includes a method for densifying one or more porous preforms, including the edges and surfaces of one or more preforms, when using a liquid precursor. The method includes covering at least a portion of the porous preform (300) with an insulating material (302) to insulate at least a part of the preform. The preform is submerged in a precursor liquid which is heat-decomposable. The preform is heated in the precursor liquid at a temperature sufficient to decompose the precursor liquid within the preform and to deposit a decomposition product of the precursor liquid within the preform. The heating of the preform is continued in the precursor liquid until at least part of the insulated portion of the preform, which would not densify in this process without insulation, is densified.
Patent CA-2320689-A1 (CA)
Inventor: LAPPE MURRAY I
IPC: G06K19/06
Filed: 1999-02-17
Abstract: La présente invention concerne un système d'essai pour lecture automatique comprenant une carte test (10), offrant une configuration d'essai pour lecture automatique. Au moins une bande d'analyse (32a/32b) est fournie, comprenant éventuellement des anticorps et/ou des réactifs pouvant détecter et indiquer optiquement la présence ou l'absence d'au moins une substance contenue dans un volume de liquide physiologique. Les bandes d'analyse (32a/32b) composent, du moins en partie, un système d'essai sous la forme d'un motif d'éléments (32a/32b), comprenant généralement en plus au moins une bande fixe (33a), et au moins une surface vide (33b). Chaque bande d'analyse, suite au contact avec le liquide physiologique d'un donneur pendant un intervalle de temps approprié, peut se transformer en passant d'un premier état où elle présente un premier niveau de réflectance à un second état où elle présente un second niveau de réflectance sensiblement différent du premier, modifiant ainsi le motif formé par le système d'essai. Le motif particulier résultant de l'exposition au volume du liquide physiologique produit des repères distincts à lecture automatique. Par ailleurs, ce système d'essai peut également comprendre un système de balayage (54a) et un décodeur (54b) permettant de balayer optiquement et de lire les repères à lecture automatique et transmettre les informations lues via une ligne de communication (86) vers une zone distante (12) de traitement.
Patent CA-2324164-A1 (CA)
Title: Lens retention means for vehicle lamp assembly
Inventor: PARRIGIN ALBERT
IPC: F21V17/16
Filed: 2000-10-24
Abstract: This invention discloses a lamp housing adaptable for snapped-in installation of the lens member. The interior wall of the housing is provided with an annular step and integrally formed raised projections which together form slots for receiving the peripheral edge of the lens member. The raised projections are shaped to facilitate the installation and retention of the lens. The lens member, made of resilient material, is of sufficient flexibility that it can be pressed past the raised projections and be lodged in the slots. A gasket is interposed between the lens member and the annular step. The slots are so dimensioned that the raised projections press against the lens and the gasket to retain the lens in the slots and additionally seal the interior of the housing from the outside environment.