baber/WOPTO huggingface dataset:
Patent CA-2110676-C (CA)
Title: Waveguide rotary joint
Inventor: GHOSH SUBIR
IPC: H01P1/06
Filed: 1993-12-03
Granted: 1998-12-22
Abstract: The rotor of the joint includes two rectangular waveguide ports, carrying two separate signals. The stator has two corresponding rectangular waveguide ports. The ports are coupled with a circular waveguide, which comprises two relatively rotatable stub-cylinders, disposed co-axially in-line on the axis of rotation. Signal A is transmitted through the circular waveguide, across the joint, in the TM01 propagation mode, while signal B is transmitted across the joint in the TE01 mode. These circular-symmetrical modes, with mutually orthogonal field distribution, are able to cut cross-talk interference, since the mode transducers of these modes maintain good mutual isolation, even though the signals are present together in the circular waveguide, and at the same or similar frequency. The TM01 mode (signal A) is excited, and received, by means of slots formed in the end wall of the circular waveguide stubs. The port for signal A communicates with the circular waveguide through the two slots. The TE01 mode (signal B) is excited, and received, by means of four axial slots formed in the cylindrical wall of the circular waveguide. The transducer for signal B is disposed in a wrap-around relationship with the circular waveguide, and is in communication with the circular waveguide through the four slots. An E-plane junctional continuation communicates the port for signal B, via two slots, with the transducer for signal B.
Patent CA-2117439-C (CA)
Inventor: MUNTZ PIETER J D
IPC: C10M127/02
Filed: 1993-01-25
Granted: 2004-04-20
Abstract: The specification describes lubricating oil compositions containing an additive comprising normal paraffin and/or iso-paraffins and/or naphthenes each of which have from 10 to 20 carbon atoms. Compositions containing from .1 percent to 2 percent by volume are disclosed. The compositions are effective in reducing varnishing, sludging chemical by-products and glazing in an engine. The compositions are also useful in automatic transmissions fluid, gear oils and greases.
Patent CA-2118346-C (CA)
Title: Low modulus fuser member
Inventor: HENRY ARNOLD W
IPC: G03G15/20
Filed: 1994-10-18
Granted: 2000-04-25
Abstract: A soft sleeveless long wearing pressure member having a cylindrical core, wherein the pressure member has thereon a nonswelling in silicone oil, layer of a thermally stable hydrofluoroelastomer having a Young's modulus of elasticity less than 500 lbs./in2, from about 250 mils. to about 500 mils. in thickness and a hardness of from about 45 to about 60 Shore A is provided.
Patent CA-2118912-C (CA)
Inventor: BALL MELVILLE DOUGLAS
IPC: B32B15/08
Filed: 1992-09-29
Granted: 1999-04-06
Abstract: The invention provides a peelable laminated structure suitable for use in a peelable seal joining a flexible closure element (23) to a container (20) or in foil/polymer laminates used for packaging and the like. The structure comprises a porous-anodiz-able metal substrate (11) and a porous anodic film (12) overlying and attached to a surface of the substrate. The porous anodic film (12) has a weakened stratum (19) positioned between an outer film part and an underlying structure including the metal substrate (11). The weakened stratrum (19) is strong enough in use of said structure to prevent detachment of the outer film part from the underlying structure, except by deliberate peeling of the flexible closure element (23). The invention also relates to a process for producing the structure and to peelable containers and recyclable laminates incorporating the structure. The structure provides a peelable interface which is not greatly dependent on the characteristics of particular adhesives or bonding techniques used to adhere the metal substrate (11) to the remaining structure, and is thus stable and reliable.
Patent CA-2120906-C (CA)
Inventor: KLEYER DON LEE
IPC: H01B3/46
Filed: 1994-04-19
Granted: 2002-03-05
Abstract: A method for enhancing the dielectric properties of new or in-service electrical cable is disclosed, the method comprising supplying the interstitial void space of the cable's conductor with a water-reactive antitreeing agent having a diffusion coefficient of at least 1 x 100 -7 cm2/second at 50ÀC. in the insulation of the cable end having an initial viscosity of <= 100 cP (mPa~s) at 25ÀC. The instant method provides a more symmetrical distribution of dielectric enhancing fluid in the insulation than prior art approaches and results in a significant reduction in cable treatment time.
Patent CA-2121123-C (CA)
Title: Anti-seborrhoeic formulation
Inventor: MASON KENNETH VINCENT
IPC: A61K31/415
Filed: 1992-10-12
Granted: 2002-02-05
Abstract: An anti-seborrhoeic composition having either or both of a broad spectrum anti-fungal drug and/or a topical antiseptic. The composition can be formulated as a shampoo with a keratolytic or keratoplastic compound. The composition is preferably formulated as a shampoo with miconazole, chlorhexidine and it might include selenium sulphide.
Patent CA-2125355-C (CA)
Title: Horizontal drilling method for hydrocarbon recovery
Inventor: BAITON NICK
IPC: E21B43/17
Filed: 1994-06-07
Granted: 1998-04-28
Abstract: A method for recovering fluids such as crude oil, associated solution gas, formation water, injected water, natural gas and other gases, and natural gas liquids, from a hydrocarbon producing reservoir or formation in which fluids collected in one or more substantially horizontal wells are routed to the surface through a substantially vertical wellbore.  The method may be employed in connection with entirely new well systems, by drilling a vertical wellbore to intersect or penetrate the producing formation in close proximity to one or more existing horizontal wells, or by drilling one or more horizontal wells to intersect or terminate in close proximity of an existing vertical wellbore.  Preferably, the vertical wellbore extends to a depth greater than the depth of intersection with the horizontal well or wells, forming a sump for the collection of fluids.
Patent CA-2126007-C (CA)
Title: Fluorination catalyst and fluorination process
Inventor: TSUJI KATSUYUKI
IPC: B01J23/26
Filed: 1994-06-16
Granted: 2005-04-05
Abstract: A fluorination catalyst comprising indium, chromium, oxygen and fluorine as essential constituent elements thereof. The catalyst is prepared by fluorinating a catalyst precursor comprising indium and chromium elements by bringing it into contact with hydrogen fluoride or a fluorine-containing halogenated hydrocarbon at a temperature of 300 to 500°C. A halogenated hydrocarbon is fluorinated by bringing it into contact with hydrogen fluoride in a gaseous phase in the presence of the catalyst.
Patent CA-2126588-C (CA)
Title: Selective optical elements for multiwavelength electronic print heads
Inventor: FISLI TIBOR
IPC: B41J2/44
Filed: 1994-06-23
Granted: 2000-01-11
Abstract: The present invention is a thin film coating that may be applied to various optical elements and a method for controlling the size of the imaging spot from multiwavelength sources in an optical path. A selective optical element made in accordance with the principles of the present invention comprises an optical surface. Upon the surface, thin film coatings are deposited that define zones of transmission, each zone transmits a desired wavelength band. Beyond this zone, the surface is effectively opaque to a specified wavelength band. The zones for each wavelength are individually calculated to give an effective aperture for each wavelength such that the spot size for all wavelengths meet user specifications.
Patent CA-2127621-C (CA)
Inventor: WILSON ALFRED M
IPC: C01B31/00
Filed: 1994-07-08
Granted: 1999-12-07
Abstract: Carbonaceous insertion compounds and methods for preparation are described wherein the compounds comprise a pre-graphitic carbonaceous host and atoms of an element capable of alloying with alkali metal atoms, the alloying atoms being incorporated predominantly as monodispersed atoms in the host.  A carbonaceous insertion compound with large reversible capacity for lithium can be prepared if the alloying atoms incorporated are Si.   Such insertion compounds can be prepared by simple pyrolysis of suitable polymers containing silicon and carbon at an appropriate temperature.  These insertion compounds may be suitable for use as high capacity anodes in lithium ion batteries.
Patent CA-2137362-C (CA)
Inventor: SORENSON JOHN F
IPC: B65D5/66
Filed: 1993-06-10
Granted: 1999-02-16
Abstract: A paperboard clamshell carton includes a tray and a cover, hingedly connected and latched in the closed position by cooperating latching members. Detents, extending forwardly from adjacent the upper corners of the front wall of the tray, and detent engaging slots and tabs in the cover, located adjacent the lower corners of the front wall of the cover, releasably engage when the cover is folded shut over the tray. The forwardly extending detents are of double thickness, being formed by overlapped extensions of the glue flaps and side walls of the tray. In another aspect of the invention, a clamshell type carton is provided with a cut along the hinge score line connecting the upper cover and lower tray portions. Either a second cut in the back panel of the carton, above or below the hinge score line cut, or a cut-out slot encompassing the hinge score line cut, is utilized to facilitate the easy opening and closing of the carton without buckling occurring in the back panel in the region of the hinge score line. In another aspect of the invention, a clamshell type carton is provided with a cut along the hinge score line connecting the upper cover and lower tray portions. A second cut is placed is the back panel of the carton, above or below the hinge score line cut, wherein the second cut is a continuous curve having a first end point located in the back panel and a second end point intersecting the cut along the hinge score line. The second cut is utilized to facilitate the easy opening and closing of the carton without buckling occurring in the back panel in the region of the hinge score line.
Patent CA-2137496-C (CA)
Inventor: MULLER ARNO
IPC: G07B17/00
Filed: 1994-12-07
Granted: 1998-09-22
Abstract: The electronic postage meter includes a printing unit which is responsive to a plurality of motors for printing of a postage indicia in response to control circuit. The control circuit is comprised of a programmable microprocessor in bus communication with an accounting means having memory units for accounting for the postage printed by the printing unit responsive to the programming of the microprocessor. An integrated circuit includes an address decoding module means for generating a unique combination of ASIC control signals in response to a respective address placed on the bus by the microprocessor. A timer register is responsive to ones of the controlsignals from the address decoding module to enable writing of the timer data into the timer registers by the microprocessor. The timer unit is responsive to the timer data for generating one of a plurality of timing signal in accordance with timer data. The data also includes motor data. Prime motor register units are responsive to other ones of the control signals from the address decoding module to enable writing of the motor data into the timer registers by the microprocessor. A motor control unit is responsive to the motor data for generating a plurality of motor control signals in accordance with the motor data.
Patent CA-2137918-C (CA)
Inventor: WEISSMAN BERNARD
IPC: A61C5/04
Filed: 1993-06-11
Granted: 2005-08-09
Abstract: There is provided a procedure to maintain an otherwise whole tooth, from which the nerve has been removed by carrying out a procedure which includes inserting a thin flexible post (11), preferably formed of a light-transmitting, physiologically inert material, to the full depth of a prepared relatively narrow tooth nerve canal (8), which has previously been sealed at its bottom with gutta percha (12). The post is then surrounded by a film of a composite-filler or sealant (16), which is preferably light-curable, rotatin g the post while supporting and sealing the walls of the canal. The post is sufficiently flexible as to be able to follow the curvature of the canal, which may retain a sligh t natural curvature. The composite filler or sealant is then cured, preferably by an optical radiation carried through the preferably transparent post.
Patent CA-2138218-C (CA)
Inventor: TANAKA SHINJI
IPC: H05K3/46
Filed: 1994-12-15
Granted: 2000-10-10
Abstract: The present invention relates to a process for delaminating an organic resin insulation layer from a board without adversely affecting the organic resin multi-layer wiring layer therefor and to a process for manufacturing an organic resin multi-layer wiring board. A polyimide insulation layer is formed on a quartz glass board. Another polyimide insulation layer and a wiring layer, which together with the polyimide insulation layer form a first block, are laminated on the polyimide insulation layer. The back of the quartz glass board is irradiated with an excimer laser to delaminate the first block and the quartz glass board. Ultraviolet rays from the excimer laser react with the polyimide insulation layer in a photochemical reaction which removes the polyimide insulation layer located at the interface with the quartz glass board and delaminates the quartz glass board from the first block.
Patent CA-2144069-C (CA)
Title: Process for preparing reduced calorie flavored confectionery compositions using dynamic tempering conditions
Inventor: MASTERSON DANIEL J
IPC: A23G1/30
Filed: 1993-09-22
Granted: 1999-03-16
Abstract: An improved process is disclosed for preparing flavored confectionery compositions containing certain reduced calorie cocoa butter substitute fats. The improvement involves rapidly cooling such a composition from a non-crystalline state to a temperature of less than about 70~F (21.1~C) using a swept-wall, scraped-wall, or screw-type heat exchanger. The cooled composition is then conditioned for at least about 5 minutes by warming it to a temperature of about 70 to 85~F (21.1 to 29.4~C) in an agitated vessel before further processing into finished confectionery pieces. Under these dynamic tempering conditions, bloom-stable products can be produced much faster than with static tempering.
Patent CA-2145578-C (CA)
Title: Apparatus and method for reproducing video signals with varying-magnitude agc signals
Inventor: OGURO MASAKI
IPC: G11B27/10
Filed: 1995-03-27
Granted: 2004-06-22
Abstract: A signal format and reproducing apparatus compatible with that format protect the copyright of recorded video and audio data against digital and analog dubbing. The reproducing apparatus senses copyright information included in the signal reproduced from a record medium to generate a copyright protection signal which is placed in a vertical blanking interval of the analog output of the reproducing apparatus. If a Serial Copy Management System (SCMS) signal is reproduced, it is supplied to a digital VCR. The copyright protection signal disrupts the AGC of a recording analog VCR and the SCMS signal prevents a digital VCR from digitally dubbing the reproduced video and audio data.
Patent CA-2151945-C (CA)
Inventor: KLINE ELLIS L
IPC: G01N33/564
Filed: 1993-12-17
Granted: 2006-12-05
Abstract: The present invention relates to the diagnosis of multiple sclerosis. More specifically, this invention relates to an assay for detecting antigen(s) associated with multiple sclerosis. The present invention also relates to the generation of hybridomas which produce monoclonal antibodies which are specific for the multiple sclerosis-associated antigens. The present invention's use is in diagnosing multiple sclerosis and in routine follow-up monitoring of multiple sclerosis patients as to disease progression or response to therapy.
Patent CA-2156630-C (CA)
Title: Flame-retardant, waterproof and breathable laminate
Inventor: SUN KWOK KUN
IPC: A41D31/00
Filed: 1993-04-23
Granted: 2000-04-18
Abstract: A water and breathable flame-retardant laminate of two layers (1, 3) of porous expanded polytetrafluoroethylene laminated together by a flame-retardant adhesive layer (2) of poly(urea-urethane) polymer containing phosphorus ester groups built into the chains of the polymer. The flame-retardant components do not wash out of the adhesive and laminate under repeated laundering or dry cleaning.
Patent CA-2165612-C (CA)
Inventor: MITTE CLAUDE
IPC: G06K7/14
Filed: 1995-12-19
Granted: 1999-08-03
Abstract: Un dispositif de lecture d'un code à barres (41) imprimé sur un support plat (4), comprenant une caméra (2) du type à transfert de charges ("CCD") linéaire ayant des éléments photosensibles disposés suivant une rangée (21) s'étendant parallèlement aux barres du code à lire sur le support et un système d'éclairage (31,32) de la face imprimée du support, ce système d'éclairage définissant une fente (33) s'étendant parallèlement à la rangée de photodiodes et à travers laquelle la caméra observe les barres du code. Application à la lecture de codes d'indexation dans les installations de tri postal.
Patent CA-2171731-C (CA)
Inventor: CARLSMITH LAWRENCE ALLAN
IPC: D21B1/16
Filed: 1994-09-09
Granted: 2001-02-20
Abstract: An apparatus (10) for producing elongate multi-fiber of extremely small size. A housing (12) is provided having first and second ends and a substantially smooth interior surface. A means is provided for introducing high consistency wood pulp into the housing. A source of ozone gas bleaches the high consistency pulp within the housing. A pin rotor (14) is rotatably mounted within the housing, and includes a plurality of pins (22), each having a tip (23). A means is provided for limiting the buildup of high consistency pulp fiber accretions on the pin tips.
Patent CA-2172812-C (CA)
Inventor: OLSON STEPHEN W
IPC: H01L27/00
Filed: 1994-03-24
Granted: 2006-05-16
Abstract: An integrated circuit (300) has a plurality of interface pins and includes a first circuit block (300a) that is comprised of a plura lity of gate-equivalent circuits; the first circuit block being a first partition of a data processing system. The integrated circuit fur ther includes at least one other circuit block (300b, 300c) comprised of a plurality of ga te-equivalent circuits; the second circuit block being a second partition of the data processing system. The first and second circuit blocks are capable of operating independently of one another, with each performing an associated function. At least one mode select interface p in is provided, in conjunction with gating circuitry (30 4) that is interposed between the first and second circuit blocks and the interface pins for selectively coupling, in accordance with a logi c level applied to the at least one mode select interface pin, only one of the circu it blocks to the interface pins. A method of specifying a gate array integrated circuit to include a plurality of independently operating c ircuit blocks is also disclosed.
Patent CA-2174318-C (CA)
Inventor: HUDDLE JAMES R
IPC: G01S3/10
Filed: 1995-09-11
Granted: 1999-05-04
Abstract: The invention is a method and apparatus for determining the errors in the orientation coordinates of an antenna array and the spacings of the antennas in the array using radio waves from one or more sources having known positions and an inertial system, the antenna array comprising at least two antennas. The method comprises the steps of placing the antenna array in one or more specified orientations relative to a reference coordinate system, measuring the phase of each radio wave received by each of the antennas in the antenna array from the one or more radio-wave sources for each orientation of the antenna array, and then determining the errors in the array orientation coordinates using the measured phases. The method also includes determining the errors in the spacings of the antennas in the array and determining the errors in the orientation coordinates of the reference coordinate system, in both cases using the measured phases. The invention also includes apparatus for practicing the method utilizing an inertial system for maintaining the reference coordinate system.
Patent CA-2187592-C (CA)
Title: Stent delivery device and method for manufacturing a stent delivery device
Inventor: LUKIC GORAN
IPC: A61F2/06
Filed: 1996-10-10
Granted: 2002-04-23
Abstract: The stent delivery device comprises an elongated sheath (2) with a self-expandable stent (7) placed in contracted condition within the distal area (3) of the sheath (2). An elongated core (5) is arranged in the sheath (2) for relative longitudinal motion between core and sheath, and drive means (13) are arranged between the core (5) and the stent (7). Scratch protection tubular means (16) comprise a reinforcement ring (18) secured in the sheath (2) and surrounding the distal end portion (79) of the stent when the stent is in contracted condition in the sheath and a tube of thermoformable material (37) heat shrunk over the proximal end portion (78) of the stent and over the core (5).
Patent CA-2187750-C (CA)
Inventor: WATSON JOHN D
IPC: E21C37/16
Filed: 1994-04-14
Granted: 2006-06-27
Abstract: A controlled-fracturing process is accomplished by pressurizing the bottom of a drill hole (6) in such a way as to initiate and propagate a controlled fracture (11) or propagate any pre-existing fractures. A cartridge (5) containing a non-detonating propellant charge (4) is inserted at the bottom of a short hole drilled in the rock. The cartridge (5) is held in place or stemmed by a massive stemming bar (3). A firing pin (2) in the stemming bar (3) strikes a primer which then ignites the propellant (4) in the cartridge (5). The primary method by which the high gas pressures are contained is by the massive inertial stemming bar (3) which blocks the flow of gas up the drill hole (6). A preferred embodiment incorporates an indexing mechanism (37) to allow both a drill (39) and a stemming bar (3) to be used on the same boom (36) for drilling and subsequent charge initiation and firing operations.
Patent CA-2194240-C (CA)
Inventor: OHOI SHIGEO
IPC: A61B17/072
Filed: 1996-05-08
Granted: 2007-07-17
Abstract: A medical suturing material which is loaded into an automatic suturing device having a staple line when used. The medical suturing material according to the present invention is formed into a bag shape having a closed leading end by sewing a sheet shape suturing material by using a suturing thread. The main material of the suturing material is unwoven fabric such as felt, woven fabric or a knit cloth having somewhat flexibility and stretchability. In particular, bioabsorbable polymer, such as polyglycolic acid or a portion of a tissue of an organism is employed.     Since the suturing material according to the present invention is formed into the bag shape having a closed leading end by sewing, displacement taking place attributable to shrinkage in the insertion direction can be prevented when the automatic suturing device is inserted.