baber/WOPTO huggingface dataset:
Patent CA-2044332-C (CA)
Title: Shotting apparatus and process
Inventor: HENDRIX LOREN E
IPC: C22C1/05
Filed: 1991-06-11
Granted: 1996-07-30
Abstract: Disclosed is a shotting apparatus which comprises a chamber for containing a molten material and a plate with a plurality of orifices through which the molten material can pass to form droplets, wherein the molten material in the chamber first contacts the top surface of the plate and wherein the bottom surface of the plate contains protrusions through which the orifices extend, the length of each protrusion being at least 50 percent of the total length of the orifice passing through the protrusion, wherein the apparatus is of a material selected from the group consisting of silicon carbide and an alloy comprising nickel in an amount of from about 50 to about 70 percent by weight, molybdenum in an amount of from about 11 to about 22 percent by weight, chromium in an amount of from about 11 to about 22 percent by weight, iron in an amount of from 0 to about 10 percent by weight, tungsten in an amount of from 0 to about 10 percent by weight, manganese in an amount of from 0 to about 1 percent by weight, and silicon in an amount of from 0 to about 1 percent by weight. Also disclosed is a process which comprises providing the above shotting apparatus, introducing a molten material into the shotting apparatus, allowing the molten material to pass through the orifices to form droplets, and cooling the droplets thus formed to a temperature at which the droplets are solid.
Patent CA-2046918-C (CA)
Title: Improved controlled deflection roll lubrication
Inventor: MOSCHEL CHARLES C
IPC: F16C13/00
Filed: 1990-01-16
Granted: 1995-05-30
Abstract: Apparatus for controlling the oxygenation of both the bearing lubrication oil and the hydraulic oil used for actuating the roll shell support elements (12) in a controlled deflection roll (10), such as used in the papermaking industry, includes a seal (26a, b) at either end of the controlled deflection roll (10) which establishes a gas-impervious seal between the roll shell support and rotation bearings (24a, b) at either end of the roll and the interior (28) of the roll. A source (40) of pressurized inert gas is linked (46, 42) to both the interior of the roll and to the reservoir (38) of hydraulic oil used to actuate the roll shell support shoes (12). This prevents oxygen from interfacing with the hydraulic oil at the only two points in the closed system where the hydraulic oil and the atmosphere would otherwise come into contact. A separate bearing oil lubrication system (32, 34, 35, 36) having its own reservoir is maintained to supply bearing lubricant to the bearings (24a, b) and return it to sump (20) while maintaining the bear-ing lubricant separate from the hydraulic oil.
Patent CA-2048602-C (CA)
Title: Process for making antistatic or electrically conductive polymer compositions
Inventor: WESSLING BERNHARD
IPC: C08L67/00
Filed: 1990-12-22
Granted: 1999-09-07
Abstract: Polymeric compositions rendered antistatic or electrically conductive showing increased conductivity are obtained by incorporating into a matrix polymer a combination of A. a first finely divided conductive material, namely conductive carbon black with a BET surface area of more than 80 m2/g or an intrinsically conductive organic polymer in complexed form, and B. a second finely divided conductive material, namely intercalated graphite or an intrinsically conductive polymer in complexed form, which is different from the material used as material A, or a metal powder and/or C. a finely divided non conductive material having an average particle size below 50 microns.
Patent CA-2053963-C (CA)
Title: Process for producing streptovaricin
Inventor: INOUE KANAME
IPC: C12P17/18
Filed: 1991-10-22
Granted: 1997-04-15
Abstract: A method for selecting hyper-producing strains of streptovaricin C by culturing streptomyces spectabilis and separating the asporogenous colonies.  The asporogenous colonies are then separately cultured and tested for streptovaricin productivity.  Those colonies having the highest productivity may then be easily selected.
Patent CA-2062870-C (CA)
Title: Line interface circuit
Inventor: LEE MICHAEL CHARLES GERALD
IPC: H04M19/08
Filed: 1992-03-12
Granted: 1997-03-18
Abstract: An interface unit for interconnecting a telephone central switch to a personal computer.  The interface unit receives power and data from the switch over a two wire twisted pair.  The data is in a half duplex TCM (time compression multiplexed) format and is transformed into standard digital data with the logic "1" and "0" being represented by +5V and 0V respectively.  The standard digital data is then arranged into 8 bit words and encoded in either an asynchronous or synchronous manner depending on the type of computer.  The interface unit has a line interface circuit which provides the physical interface between the interface unit and the computer.  The interface unit has a transmitter circuit which converts the +5V and 0V digital signals to -5V and +5V, respectively.  These values are recognised by the computer as logic "1" and "0".  The interface unit also has a receive circuit which takes the computer output signals (between -5 and -12V for logic "1" and between +5 and +12V for logic "0") and converts them back into standard digital format.
Patent CA-2065670-C (CA)
Title: Window sash and method of constructing same
Inventor: HRDLICKA FREDRICK L
IPC: E06B3/56
Filed: 1992-04-09
Granted: 1995-10-17
Abstract: A single or double glazing panel is received in a groove in a wood sash frame.  The glazing panel carries on it a bead of butyl sealant along the exterior face adjacent the peripheral edge while a bead of silicone adhesive is placed on the peripheral edge or in the bottom of the groove.  Insertion of the panel into the groove causes the sealant to roll and flow along the exterior wall of the groove and along the exterior face of the glazing panel such that no cleanup after assembly is required.  Adhesive is prevented from contacting viewable areas of the glazing thereby avoiding cleanup.  Cladding may be placed over the exterior of the wood sash frame covering the sealant and space in which it is contained.
Patent CA-2068214-C (CA)
Title: Biosensor electrode excitation circuit
Inventor: PARKS ROBERT A
IPC: G01N27/327
Filed: 1990-12-14
Granted: 1998-12-01
Abstract: A circuit is described for applying a potential to an electrode of a biosensing test cell, which electrode, when  properly  inserted  in  a female  connector,  is contacted by a pair spaced apart contacts.  The circuit includes  a  source  of  excitation  potential  and  an operational amplifier having one input connected to the source of excitation potential.  A switching circuit is coupled between the operational amplifier and a first one of the spaced apart contacts, with the switch means exhibiting  an  impedance.   A  feedback  circuit  is connected  between  the  second  of  the  spaced-apart contacts  and  another  input  to  the  operational amplifier, to feed back a potential appearing at the second contact.   The feedback is for the purpose of maintaining the output of the operational amplifier at a level which compensates for impedance losses in the switching circuit.  The feedback circuit enables the output of the operational amplifier to be varied so that the potential applied to the electrode is equal to the source of excitation potential.  A further circuit is connected to the feedback circuit for sensing when an open or high  impedance state exists between the spaced-apart contacts.
Patent CA-2069058-C (CA)
Title: Closure for a container
Inventor: MARQUES RUI M M
IPC: B65D50/04
Filed: 1992-05-20
Granted: 1996-07-16
Abstract: A closure is provided for a container having an externally threaded neck and a plurality of locking teeth. The closure has a first outer side wall, a second inner side wall, and projections within the outer side wall for engaging the locking teeth of the container, to prevent removal by children and the like.  The outer side wall can be distorted to displace the locking projections,  for opening the container.  For forming a seal with the neck of a container, one or both of a textured finish on an annular sealing surface within the second inner side wall, and an internal sealing lip are provided.  This eliminates the requirement for a separate sealing liner.
Patent CA-2075348-C (CA)
Title: 4-benzoyl isoxazole herbicides
Inventor: CAIN PAUL A
IPC: A01N43/80
Filed: 1992-08-05
Granted: 2003-10-07
Abstract: 4-Benzoyl isoxazole derivatives of general formula (I):      wherein:      R1 represents cyclopropyl;      R2 represents -S(O)n R;      R3 represents chlorine, bromine or trifluoromethyl;      R represents methyl; and n represents 2; and their use as herbicides is described.
Patent CA-2085238-C (CA)
Inventor: MAZZIOTTA JOHN C
IPC: G01T1/161
Filed: 1991-04-26
Granted: 1999-11-30
Abstract: An intraoperative radiation probe is devised to detect radiolabelled malignant tissues by being selectively sensitive to beta radiation while insensitive to gamma radiation. The probe is comprised of two plastic scintillators (12, 14) optically coupled to corresponding photomultiplier tubes (22,24) via corresponding light pipes (16, 18). One of the plastic scintillators is shielded (38) against beta radiation while the other is left to detect both beta and gamma radiation. The gamma radiation sensitivity of the dual probes is empirically established and used as a weighted factor to subtract the outputs of the two probes to leave a signal indicative of the beta radiation emitted by the radiolabelled tissue. Because of the shorter range of beta radiation within tissue, only near radiolabelled tissue is detected by the probe while strongly radiolabelled, more distant tissues exposing the probe to gamma radiation are ignored. The reliably identified rear radiolabelled tissues can then be surgically removed. The probe is usable in any application where local beta radiation is to be differentiated from other types and sources of radiation.
Patent CA-2085436-C (CA)
Title: Spool position indicator
Inventor: FREDERICK THOMAS R
IPC: G01D5/14
Filed: 1992-12-15
Granted: 1998-08-25
Abstract: An electro hydraulic servo valve has a pair of oppositely polarized magnets mounted in the surface of the spool of the valve to be controlled. A Hall effect sensor is  mounted  in  the  housing  adjacent  the  magnets  to precisely measure the position of the spool relative to the housing.  The magnets and transducer are mounted on the longitudinal centerline of the spool to eliminate the spurious signals, due to temperature, vibrations, shock, hydraulic supply pressure and back pressure.  The strength and spacing of the magnets and air gap are chosen to provide  a  linear  output  signal  over  the  range  of displacement  desired  and to  provide  the  accuracy  of location necessary for the particular configuration.
Patent CA-2085785-C (CA)
Title: The use of 4-aminopyridine in the treatment of a neurological condition
Inventor: HANSEBOUT ROBERT R
IPC: A61P25/04
Filed: 1992-12-18
Granted: 2005-03-15
Abstract: The use of 4-aminopyridine to treat a neurological condition is described. In particular, the present invention relates to the use of 4-aminopyridine to treat spinal cord injured individuals. It has been found that 4-aminopyridine can reduce pain and spasticity in a spinal cord injured individual when given in doses from about 18 to about 30 milligrams intravenously. The results are quite significant due to the high incidence of these problems and the intractable nature of central pain in the spinal cord injured individuals. 4-Aminopyridine is also useful in increasing sensory ability and motor control.
Patent CA-2095622-C (CA)
Inventor: BOLSTAD CLIFFORD R
IPC: B65B27/12
Filed: 1991-10-28
Granted: 1999-02-16
Abstract: On forme des balles serrées afin de transporter dans un volume réduit des fibres de cellulose réticulées ayant un grand volume. On applique une force limitée lorsque l'on comprime les fibres dans les balles afin de ne pas endommager les fibres. Cette quantité limitée de force permet à la balle de se dilater jusqu'à deux fois environ son volume serré, une fois que l'enserrement est défait. On minimise davantage l'endommagement des fibres en limitant la compression au minimum requis, de sorte qu'un conteneur de transport soit complètement rempli, jusqu'au maximum de sa capacité en volume et en charge utile.
Patent CA-2095880-C (CA)
Title: Self-opening polyethylene bag stack and process for producing same
Inventor: BEASLEY M WAYNE
IPC: B65D33/00
Filed: 1993-05-10
Granted: 1995-03-21
Abstract: The invention provides self-opening polyethylene film bag stacks which do not require a separate adhesive layer between adjacent bags.  The self-opening bag stack according to the invention preferably include a plurality of stacked t-shirt type high density polyethylene film bags releasably adhered together.  At least an upper portion of the outer surface of the front and rear walls of each of the bags in the bag stack has been corona treated and at least one localized compressed area extends transversely through the bag stack in the upper portion of the bags such that the stack has a decreased thickness in the localized compressed area and so that adjacent outer wall corona treated surfaces defined by the localized compressed area are releasably adhered together.
Patent CA-2103493-C (CA)
Title: Procede de regeneration d'un dessicant liquide
Inventor: LERMITE CHRISTOPHE
IPC: B01D3/14
Filed: 1993-11-19
Granted: 2004-06-29
Abstract: On décrit un procédé de régénération d'un dessicant liquide, utilisant un agent de strippage, caractérisée en ce que: a) une étape de distillation dudit dessicant liquide chargé en eau dans une zone de distillation comprenant au moins un étage de rectification générant une phase vapeur sur le dessus et le dessicant liquide partiellement régénéré; b) une étape de rebouillage dans une zone de rebouillage dudit dessicant liquide partiellement régénéré pour fournir une phase vapeur et du dessicant liquide partiellement régénéré résiduel; c) une étape de strippage dans une zone de strippage dudit dessicant liquide partiellement régénéré résiduel de l'étape b), utilisant l'agent de strippage vaporisé pour fournir le liquide dessicant régénéré; d) une étape de condensation de la vapeur du dessus sortant de l'étape de distillation a), ladite condensation produisant deux phases liquides, une phase liquide enrichie en eau et une phase liquide enrichie en agent de strippage; e) une étape de chauffage de la phase liquide enrichie en agent de strippage issue de l'étape d) pour générer une phase vapeur plus riche en eau que ladite phase liquide et une phase liquide d'agent de strippage appauvrie en eau; et f) évaporation d'au moins une portion de la phase liquide d'agent de strippage appauvrie en eau issue de l'étape e), ladite portion étant substantiellement suffisante pour maintenir un débit constant d'agent de strippage vaporisé à l'étape c); g) utilisation de l'agent de strippage vaporisé appauvrie en eau résultant de l'étape f) dans l'étape c); et h) recueillir le liquide dessicant régénéré issu de l'étape c) dans un réservoir.
Patent CA-2104355-C (CA)
Title: Method and apparatus for ozone generation and treatment of water
Inventor: INCULET ION I
IPC: C01B13/11
Filed: 1993-08-18
Granted: 1997-06-17
Abstract: A water treatment apparatus is provided in which the ozone generation and the water treatment may take place simultaneously.  The ozone is generated from a continuous supply of air and/or oxygen at the surface of a running water by means of a high voltage electrode placed in the air or in oxygen at some distance above the water surface.  The strong electric field between the high voltage electrode and the surface of the electrically grounded water stream generates a multitude of small Taylor cones at the surface of the water.  Each Taylor cone goes into corona and in the process it generates the ozone.  As the ozone is generated at the water surface, a substantial amount of ozone is immediately dissolved in water and the ozone that diffuses in the air continues to be in contact with the water surface.  The undissolved ozone may be percolated through the same water for an additional primary or secondary ozonation.
Patent CA-2104712-C (CA)
Title: Solar collector
Inventor: LAI HERMAN
IPC: F24S23/70
Filed: 1993-08-24
Granted: 1996-04-02
Abstract: A solar collector including a plate disposed in a bottom portion of a housing, one or more tubes disposed above the plate for accommodating water, and one or more reflecting surfaces formed in the upper portion of the plate for reflecting lights in order to heat the water contained in the tubes.
Patent CA-2114709-C (CA)
Title: Communication system employing spectrum reuse on a spherical surface
Inventor: JAN YIH GUANG
IPC: H04W16/02
Filed: 1994-02-01
Granted: 1999-09-07
Abstract: COMMUNICATION SYSTEM EMPLOYING SPECTRUM REUSE ON A SPHERICAL SURFACE ABSTRACT OF THE DISCLOSURE Orbiting satellites (12) project footprints (30) on the earth. Each footprint (30) is divided into cells (28). Footprints (30) of nearby satellites (12) overlap one another, and the overlap increases as satellites (12) approach a pole from the equator. Positions of all cells (28) generated by all satellites (12) are simulated (36) at numerous points throughout an orbit. Channel sets are assigned to cells (28) within a reference footprint (30a). This assignment is propagated throughout all footprints (30) except for those footprints (30) residing adjacent one side of a seam (16) between orbits (14) where satellites (12) travel in opposing directions. The channel sets are assigned near the seam (16) in response to previously assigned channel sets. Each satellite (12) stores channel set assignments for its cells (28) at various points throughout its orbit. All satellites (12) switch their communication parameters simultaneously in response to the channel set assignments.
Patent CA-2115851-C (CA)
Inventor: PORRI RICHARD E
IPC: B01D5/00
Filed: 1994-02-17
Granted: 1998-06-23
Abstract: An apparatus removes water from a liquid mixture which has formed in a compressed gas system.  The apparatus includes a gas compressor having an inlet port for receiving low pressure gas to be compressed and a discharge port through which a stream of compressed gas flows.  An aftercooler is disposed in fluid communication with the discharge port for cooling the compressed gas stream.  A vessel collects any entrained liquid water and lubricant from the compressed gas stream.  The vessel has a sump portion and a vent to an atmosphere external to the compressed air system.  A heat exchanger heats the liquid mixture within the vessel to a predetermined temperature to vaporize the water.  The water vapor exits the vessel through the vent and the lubricant remains in the sump portion of the vessel.  A valve permits the separated lubricant to be drained from the sump portion of the vessel to a location external to the compressed air system.
Patent CA-2116802-C (CA)
Title: Process for the manufacture of poly(hydrocarbylene aryl phosphate) compositions
Inventor: BRADY BILL
IPC: C07F9/12
Filed: 1994-03-02
Granted: 2006-05-09
Abstract: Arylene poly (diarylphosphate) compositions can be formed by a process which comprises: (a) forming a reaction mixture comprising diaryl halophosphate and, as by-products, a mixture of monoaryl dihalophosphate and triarylphosphate, by reaction of phosphorus oxyhalide and a phenol in a first reactor; (b) if a preponderance of lower oligomers is desired, optionally transferring the reaction mixture from (a) to a subsequent reactor where at least a portion of the monoaryl dihalophosphate is recycled to the first reactor for reaction with the phenol contained therein to form additional diaryl halophosphate in the first reactor and the reaction mixture in (b) becomes enriched with diaryl halophosphate to ultimately favor the ultimate formation of a product of lower molecular weight distribution; and (c) reacting the product from (a) or (b), as selected, with an aromatic diol to form the arylene poly (diarylphosphate) product.
Patent CA-2119647-C (CA)
Title: Heteroaryl amines as novel acetylcholinesterase inhibitors
Inventor: CHEN YUHPYNG L
IPC: C07D417/06
Filed: 1992-08-31
Granted: 1998-08-04
Abstract: Compounds of formula (1), wherein ring A, ring B, ring D, R2, R3, R4, R5, R6, R11, R12, R13, E, G, X and P are as defined below. The compounds of formula (I) are cholinesterase inhibitors and are useful in enhancing memory in patients suffering from dementia and Alzeimer's disease.
Patent CA-2119817-C (CA)
Inventor: DLUGOSZ LEONARD T
IPC: E04H12/22
Filed: 1994-03-24
Granted: 1998-08-18
Abstract: Flexible   concrete   structures   resemble elongated rope-like articles having an outer textile casing in the form of a mono-tubular body with a continuous inner bore filled with dry cementitious material.  The concrete ropes are naturally permeable to water for controlled chemical hydration for maximizing structural values and load bearing properties.  The flexible concrete ropes may be employed in a wide range of applications in masonry and cement construction,   such  as  caulk  filler  between foundations and roadways; as convenient mortar ropes in the reinforcement and stabilization of stone, rock, brick and block structures, like culvert bridges, drainage ditches, railroad  roadbeds;  temporary  templates  for  A-frame structures, and as chocks for dry foundations.  Flexible concrete rope articles can be wetted and woven into grids and lattice structures for use as fencing, gates, grids for fireplaces  and grills or  fabricated  into  subterranean anchoring supports for posts and signs for the elimination of large amounts of pourable concrete normally required.
Patent CA-2120599-C (CA)
Title: Transdermal therapeutic systems containing crystallization inhibitors
Inventor: LIPP RALPH
IPC: A61K47/04
Filed: 1992-10-21
Granted: 2003-04-15
Abstract: Described is a transdermal therapeutic system which is characterized in that it includes a crystallization inhibitor, and optionally also penetration enhancers, in an adhesive matrix containing the active substance.
Patent CA-2126318-C (CA)
Inventor: JENKINS CHRISTOPHER D W
IPC: C07C7/00
Filed: 1992-12-10
Granted: 1997-11-25
Abstract: Méthode pour éliminer les produits secondaires d'hydrogénation, utilisant une colonne de distillation extractive, combinée à une colonne de stripping au solvant, à un système de purge des hydrocarbures et à une colonne de lavage à l'eau. En distribuant les diverses alimentations vers et entre les unités mentionnées ci-dessus, l'huile verte peut être extraite et séparée des hydrocarbures indésirables.
Patent CA-2126615-C (CA)
Inventor: DUPRE JEAN L
IPC: H03K5/1252
Filed: 1994-06-23
Granted: 2003-11-04
Abstract: A resettable glitch suppression circuit integrated into each input control line of a semiconductor chip to provide flexibility for each control line as to whether or not, and if so when, the glitch suppression circuit is operable.
Patent CA-2127640-C (CA)
Inventor: KERGER LEON
IPC: F16K1/30
Filed: 1994-07-08
Granted: 2003-03-11
Abstract: The valve (31) comprises at least two lateral openings (34, 36) which can be shut off by a plug (40) provided with an axial orifice (48) for the passage of gas and sliding axially in the casing (32) between a position in which the openings (34, 36) are shut off under the influence of a spring (44) and an open position counter to the action of the spring (44) under the influence of the pressure of the filling gas, and a level valve (52) activated by a float (62) at the bottom of the casing (32).      The plug (40) comprises an inner cavity (70), the bottom of which has a cross-section in the shape of an open "V". In this cavity (70) is a ball (72) which prevents the cylinder from being filled when the latter is inclined sufficiently for the ball not to be situated at the bottom of the cavity (70).