baber/WOPTO huggingface dataset:
Patent CA-2127561-C (CA)
Title: 3-azabicyclohexane compound intermediates for producing antibacterial compounds
Inventor: BRIGHTY KATHERINE E
IPC: C07D405/04
Filed: 1990-08-14
Granted: 1998-07-28
Abstract: Disclosed are 3-azabicyclohexane compounds of the formula:                                 (wherein Y2 is hydrogen, benzyl or benzyloxycarbonyl; R is R15 or R19; R' is hydrogen or R18, with the proviso that R' is  R18 when R is R19 and R' is hydrogen when R is R15; R15 is carboxyl, hydroxymethyl,  CHO,  CH2NR11R12 or NR11R12 wherein R11 is hydrogen, methyl, or ethyl, and R12 is hydrogen, C1-C6 acyl, C2-C6 alkoxycarbonyl, optionally substituted benzyloxycarbonyl, aryloxycarbonyl, silyl, trityl, tetrahydropyranyl, vinyloxycarbonyl, O-nitrophenylsulfonyl, diphenylphosphonyl, p-toluenesulfonyl, or benzyl; R18 is methyl, cyano, hydroxymethyl, or CH2NR11R12; and R19 is methyl, carboxyl, hydroxymethyl, CHO, hydroxymethyl, tetrahydropyranyl ether, CH2NR11R12, or NR11R12, wherein R11 is hydrogen, methyl or ethyl and R12 is hydrogen, C1-C6 acyl, C2-C6 alkoxycarbonyl, optionally substituted benzyloxycarbonyl, aryloxycarbonyl, silyl, trityl, tetrahydropyranyl, vinyloxycarbonyl, O-nitrophenylsulfonyl, diphenylphosphonyl, p-toluenesulfonyl, or benzyl) which are useful as intermediates for producing antibacterial compounds of the formula:       (wherein R1 is H or alkyl; Y is alkyl, cyclopropyl or substituted phenyl; W is H, halo, alkyl, alkoxy, NH2 or NHCH3; A is CH, CF, CC1, COCH3, CCH3, CCN or N; or A is C forming a ring with Y; and R2 means a group formed by removing Y2 from the 3-azabicyclohexane compound of the above formula, among others).
Patent CA-2133665-C (CA)
Inventor: DOUCHET JEAN-CLAUDE
IPC: F16L9/12
Filed: 1994-02-02
Granted: 1997-01-14
Abstract: A co-extruded multilayer synthetic tube for carrying motor vehicle fuel, comprising, from the inside out, a polyethylene layer, a maleic anhydride, acrylic acid and/or polyethylene copolymer adhesive layer, and an outer polyamide layer.
Patent CA-2133722-C (CA)
Title: Case nitrided aluminum product, process for case nitriding the same, and nitriding agent for the same
Inventor: YAMADA YASUHIRO
IPC: C23C8/60
Filed: 1994-10-05
Granted: 2002-10-29
Abstract: A case nitrided aluminum product is produced by contacting an aluminum product with a nitriding agent at a part of a surface thereof at least, and by nitriding the aluminum product at the surface with an ambient gas at a temperature of a melting point of the aluminum product or less while keeping the aforementioned contact. The nitriding agent includes an aluminum powder, and the ambient gas virtually includes a nitrogen gas. The resulting nitriding layer has a depth of 5 micrometers or more, and it exhibits a case hardness of from 250 to 1,200 mHv. Thus, it is possible to form the deep and hard nitriding layer on the aluminum product with ease under the conditions where it has been said to be too difficult to nitride aluminum products. The case nitrided aluminum product can appropriately make sliding parts which require high wear resistance.
Patent CA-2136075-C (CA)
Title: Heterocyclic ether compounds that enhance cognitive function
Inventor: ABREO MELWYN A
IPC: A61K31/4709
Filed: 1993-10-08
Granted: 2004-12-14
Abstract: Novel heterocyclic ether compounds of formula (I), wherein A, B and R2 are specifically defined, or pharmaceutically-acceptable salts or prodrugs thereof, which are selective and potent ligands at cholinergic channel receptors, useful in the treatment of cognitive, neurological and mental disorders characterized by decreased cholinergic function.
Patent CA-2142393-C (CA)
Title: Excitation signal synthesis during frame erasure or packet loss
Inventor: CHEN JUIN-HWEY
IPC: G10L19/00
Filed: 1995-02-13
Granted: 1999-01-19
Abstract: A speech coding system robust to frame erasure (or packet loss) is described. Illustrative embodiments are directed to a modified version of CCITT standard G.728. In the event of frame erasure, vectors of an excitation signal are synthesized based on previously stored excitation signal vectors generated during non-erased frames. This synthesis differs for voiced and non-voiced speech. During erased frames, linear prediction filter coefficients are synthesized as a weighted extrapolation of a set of linear prediction filter coefficients determined during non-erased frames. The weighting factor is a number less than 1. This weighting accomplishes a bandwidth-expansion of peaks in the frequency response of a linear predictive filter. Computational complexity during erased frames is reduced through the elimination of certain computations needed during non-erased frames only. This reduction in computational complexity offsets additional computation required for excitation signal synthesis and linear prediction filter coefficient generation during erased frames.
Patent CA-2143447-C (CA)
Title: Feeding system of electrolysis liquid for pressurized electrolysis apparatus used in producing hydrogen
Inventor: LEPPAENEN JYRKI
IPC: C25B9/05
Filed: 1993-08-31
Granted: 1998-07-28
Abstract: The present invention relates to a feeding system for feeding electrolytic liquid in a pressurized electrolysis apparatus used for producing hydrogen, in which electrolysis apparatus water is decomposed into hydrogen and oxygen in a pressurized electrolytic cell.  The feeding system comprises an electrolytic liquid storage container at a pressure lower than the pressurized electrolytic cell, a pressure-resistant intermediate container connected to a liquid separator of the electrolysis apparatus and the storage container, and means for bringing the intermediate container to said lower pressure while filling the intermediate container with electrolytic liquid from the storage container, and for bringing the intermediate container up to the pressure of the liquid separator of the pressurized electrolysis apparatus while emptying the intermediate container into the liquid separator.
Patent CA-2151551-C (CA)
Title: Electron-beam generating device having plurality of cold cathode elements, method of driving said device and image forming apparatus applying same
Inventor: SUZUKI NORITAKE
IPC: H01J1/312
Filed: 1995-06-12
Granted: 2001-01-09
Abstract: A method and apparatus for driving an electron source in which a high-quality image display is presented by correcting a non-uniform effective current distribution caused in cold cathode elements by leakage current.  A digital video signal enters a shift register where a serial-to-parallel conversion is made for each line of an image based upon a shift clock signal.  One line of the image data that has been subjected to the serial-to-parallel conversion is latched in a latch circuit and then applied to a voltage modulating circuit.  The latter voltage-modulates the input data and sends the modulated signal to a voltage/current converting circuit.  The latter converts the voltage quantity to a current quantity, which is applied to each of the cold cathode elements of a display panel through respective column terminals.  A voltage V1 is applied to the selected row wire, and a voltage V2 (V2 ? V1) is applied to all other row wires, for controlling the leakage current.
Patent CA-2152159-C (CA)
Inventor: CORCORAN JOHN
IPC: B01D46/42
Filed: 1993-12-07
Granted: 1999-03-30
Abstract: A system (10) and a method for controlling emissions caused by spraying liquids from a moving vehicle (14) onto a pavement surface use a vacuum hood (16) mountable to the vehicle and a fan (28) for creating a p artial vacuum within the hood to draw air containing emissions into the hood for collection. A filter (20) or other suitable apparat us is used to extract the emissions before the air is discharged to the atmosphere. The vacuum hood is located above the sprayed surface and is p referably located behind the nozzle (12). It has a primary opening (22) at its forward end for collection of air adjacent the nozzle and a smaller, auxiliary opening (24) behind the primary opening.
Patent CA-2152887-C (CA)
Title: Procede de caracterisation non destructif de l'etat de surface d'une piece
Inventor: LEOST DANIEL LOUIS LAURENT
IPC: G01B21/20
Filed: 1995-06-28
Granted: 2003-09-30
Abstract: Le procédé consiste à réaliser une empreinte de la zone à examiner en utilisant un produit élastomère sous forme pâteuse et de haute précision, à base de silicone. Après durcissement l'empreinte obtenue est enlevée et examinée. Application à l'examen et à l'expertise de surfaces de pièces dans des zones difficilement accessibles.
Patent CA-2154615-C (CA)
Title: Discharge lamp of the water cooled type
Inventor: FUJINA KYOSUKE
IPC: H01J61/073
Filed: 1995-07-25
Granted: 2000-02-29
Abstract: A discharge lamp has a water-cooled anode that achieves advantageous cooling. A tungsten tip piece is directly connected to a tip of a body element of the anode that is formed of copper and has a water-cooling arrangement therein. A maximum outer diameter of the tungsten tip piece is approximately equal to an outer diameter D of the body element, and the relationship between the outer diameter D and the thickness L of the tungsten tip piece is 0.2  L/D  0.5. In accordance with a preferred embodiment, the tungsten tip piece is directly connected to a tip of a cylindrical body element inside of which a cooling-water feed tube is arranged to extend coaxially with the body element. Cooling water is fedfrom a base of this cooling-water feed tube, along the cooling-water feed tube, strikes an inner side of the tip end of the body element, finally is conveyed through a gap between an inner side of the body element and an outer side of the cooling-water feed tube, which serves as a cooling-water drainage duct. Preferably, the tungsten tip piece has the shape of a truncated cone having a maximum outer diameter approximately equal to the outer diameter D of the body element, and a thickness extending in a lengthwise direction of the body element.
Patent CA-2160746-C (CA)
Inventor: BRUN PAUL E
IPC: A63B69/00
Filed: 1995-10-17
Granted: 1999-01-26
Abstract: An off-ice hockey shooting practice device includes a linear  guideline means  with  a  tethered  puck  slidable therealong.   The linear guide runs generally above the ground between a shooting station and a target.  The target surface bears the outline of a hockey goal,  a goalie figure, and discrete target positions.  The tether extends between the puck and the linear guide along which the tether can slide.  A shot puck may rebound from the target, from a resilient target surface or by means of a resilient tether.   The resilient target surface results  from an elastic  connection between the target  surface and the target frame.  The length of the tether connected to the linear guide is generally sufficient to prevent the puck from missing the target and causing damage.
Patent CA-2164528-C (CA)
Title: Method and an arrangement for radio communication
Inventor: VAN DE BERG PETRUS HUBERTUS GE
IPC: H04J13/00
Filed: 1995-12-06
Granted: 2006-02-07
Abstract: There is provided a method and an arrangement for flexible coexistence of several radio communication systems on a common radio frequency band. The radio frequency band has a larger bandwidth than the communication frequency band of the several radio communication systems. Prior to the start of a radio communication, the radio frequency band is scanned by a radio transceiver unit of a system for the detection of the presence of interference. The transceiver units are arranged to establish communication over any idle part of the radio frequency band comprising or covering the communication frequency band, thereby avoiding the need for frequency or channel planning. The invention can be used in Personal Communication Systems (PCS) or Cordless Terminal Mobility (CTM) services and Radio in the Local Loop (RLL) applications.
Patent CA-2168065-C (CA)
Inventor: COBB GARY SIMPSON
IPC: G02B6/44
Filed: 1996-01-25
Granted: 2002-12-17
Abstract: A splice holder assembly of this invention is adapted to fit to a distribution portion of an optical fiber cable splice closure.   The splice holder assembly includes a splice tray with a bottom and sides extending from the bottom.  The sides and bottom of the splice tray define an open-topped enclosure.  In the bottom of the splice tray, splice  organizing  modules  are  mounted.  The  splice organizing modules each have several locations to which a splice can be attached.  The splice tray includes retainers extending from inner surfaces of the sides of the splice tray at a level above the bottom.  The retainers confine optical fibers in a lower portion of the splice tray.  A card is placed and supported in position in the splice tray by the retainers.   The card includes a list or array in which the locations of a splice are written in association with the identities of the optical fibers coupled by the splice.   The card supports at least one splice cassette including a bottom portion and a cover.   To the bottom portion, splice organizing modules are mounted.  The splice cassette includes T-shaped engagements which hold respective protective tubes running from the distribution unit.  The protective tubes house units of optical fibers.  The slack of the optical fibers can be wound in the bottom portion of the splice cassette and the ends of the optical fibers are coupled together with splices inserted and held in the splice organizing modules.   The cover includes depressed portions which engage with the inner sides of the bottom portion.  Hinged tabs of the bottom portion can be folded into engagement with the cover to hold the cover over the top of the bottom portion.  The cover can be provided with a label indicating the locations of splices and the optical fibers coupled at each splice.  A strap wrapped around the distribution unit and the splice holder assembly, holds the stacked splice cassettes in the splice tray and also holds the splice tray into engagement with the distribution unit.
Patent CA-2169170-C (CA)
Inventor: SUGIMOTO MASAKAZU
IPC: C12P13/20
Filed: 1994-08-17
Granted: 2007-01-09
Abstract: A phosphoenolpyruvate carboxylase gene, which has mutation such as mutation to replace 625th glutamic acid from the N-terminus of phosphoenolpyruvate carboxylase with lysine, mutation to replace 438th arginine from the N-terminus with cysteine and the like, is introduced into Escherichia coli or coryneform bacteria, so as to produce a phosphoenolpyruvate carboxylase which is not substantially inhibited by aspartic acid, thereby amino acid is efficiently produced.
Patent CA-2169652-C (CA)
Title: Heparin-selective polymeric membrane
Inventor: MA SHU-CHING
IPC: A61B5/1473
Filed: 1994-08-16
Granted: 2005-07-05
Abstract: An anion exchange membrane (15) for ionic macromolecules, specifically heparin, which is formed of a polymeric matrix material and an anion exchange material suitable for heparin detection can be employe d in an electrochemical sensor arrangement to directly measure the concentration of heparin ions in blood or blood fluid. Potentiometric response to heparin has been observed with membranes comprising 30-70 wt. % polymeric matrix material, such as polyvinyl chloride, 0.1-12 wt . % quaternary ammonium salt, such as tridodecyl methyl ammonium chloride (TDMAC), and 30-70 wt. % of a plasticizer, such as dioctyl sebacate. A solid state sensor (200) employs TDMAC dissolved in a polymeric compound, such as silicone rubber, to form a membra ne (270) which is responsive to heparin concentration.
Patent CA-2174341-C (CA)
Inventor: LOKHANDWALA KAAEID A
IPC: B01D53/22
Filed: 1994-10-21
Granted: 2005-11-29
Abstract: Procédé amélioré de traitement de courants gazeux (de gaz naturel en particulier) contenant de l'hydrogène sulfuré, du CO¿2?, de la vapeur d'eau et du méthane. Le procédé repose sur l'utilisation de deux types de membranes dont l'une présente vis à vis de l'hydrogène sulfuré/méthane une sélectivité d'au moins environ 40, mesurée sous pression élevée dans un mélange de plusieurs gaz. Il est possible de mettre au point des procédés optimisés de séparation en jouant sur les différentes propriétés de perméation des deux types de membranes. La séparation à membrane est combinée à un traitement sans membrane des courants de perméats et de résidus.
Patent CA-2183956-C (CA)
Inventor: CHAPLIN PAUL DAVID
IPC: G10C3/106
Filed: 1995-02-15
Granted: 2004-07-27
Abstract: A system for tuning a piano or similar instrument comprises a metal assembly or unit, preferably cast iron, composite, zinc or alloy material containing lubricating elements, and tuning pins. The pin may have a recessed portion surrounded by a sleeve preferably of bronze or brass to assist and protect the pin when being tuned. The pin has a radial head which seats into a complementary radial bore within aperture which allows the pin to rotate about and swivel across its axis. The pin and sleeve are held in the assembly or unit under compression from lockscrew bearing down upon the flat head of the pin with the pin pivoting on curved end of the lockscrew. The tuning end is free to move within the aperture clearance. The tuning system can be provided either as an individual self contained pin, sleeve and lockscrew in an assembly, or one or more blocks or sectioned units of said pins, which are mounted to the piano frame preferably from the rear by means of one or more screw threaded lugs.
Patent CA-2184397-C (CA)
Inventor: FRANK ROBERT G
IPC: B21D22/14
Filed: 1996-08-28
Granted: 2000-03-21
Abstract: A flexible shaping ring for shaping heat softened glass sheets lifts a heat softened glass sheet and presses it against the shaping surface of an upper mold. As the shaping ring presses the marginal edge portion of the sheet against the upper mold, its shaping surface deforms to generally conform to a corresponding portion of the upper mold. A press ring subsequently contacts the shaping ring and presses it against the upper mold to further shape the marginal edge portion of the glass sheet and ensure the marginal edge completely conforms to the shape of the upper mold.
Patent CA-2188361-C (CA)
Title: Firefighter's garment with label protector
Inventor: BOWMAN J ROBERT
IPC: G09F3/02
Filed: 1996-10-21
Granted: 2001-12-25
Abstract: A label having indicia thereon is attached to the shell of a firefighter's garment by stitching which passes through the label and the shell, with portions of the stitching extending outwardly of the label.  A transparent protective layer is adhesively secured to the label and covers the outer surface of the label and the outwardly extending stitching portions.  The protective layer is heat and abrasion resistant and is substantially waterproof.
Patent CA-2188965-C (CA)
Title: Process for the preparation of polyol polymer dispersions
Inventor: SIMROTH DONALD W
IPC: B01J29/04
Filed: 1996-10-28
Granted: 2007-05-15
Abstract: Polymer polyols and polymer-modified polyols having substantially no transition metal content in the polyol continuous phase may be prepared from encapsulative double metal cyanide complex-catalyzed polyoxyalkylene polyether base polyols without substantial removal of double metal cyanide complex catalyst residues from the base polyol and subsequent in situ polymerization of one or more polymerizable monomers.
Patent CA-2192991-C (CA)
Inventor: BIAGIOTTI GUGLIELMO
IPC: B65H19/18
Filed: 1995-06-07
Granted: 2000-03-07
Abstract: A device is described for the automatic exchange of a first reel (BX), on which a first web (N1) is wound, with a second reel(BY) on which a second web (N2) is wound, the device comprising at least one pair of supports (15X, 15Y) for the said reels (BX, BY), movable in a direction parallel to the axis of the said reels; a moving element (71) carrying a retaining member (75, 75A) for the trailing end of the first web (N1); and pressing means (81, 83; 101, 103) to press the trailing end of the first web (N1) against the leading end of the second web to splice the trailing end of the first web (N1) to the leading end of the second web. The moving element (71) is associated with a cutting means (77) to cut the first web (N1), and each of the said supports is fixed to a retaining member (69, 69A) for the leading end of the second web (N2), this retaining member being movable with the corresponding support.
Patent CA-2194346-C (CA)
Inventor: BECKER ALBERT
IPC: F16K27/04
Filed: 1997-01-03
Granted: 2000-06-27
Abstract: A sanitary water fitting having a bearing ring arranged as a sliding bearing between the fitting body and the bearing sleeve. The bearing ring seals off a circling groove holding sealing rings from the bearing sleeve and is itself sealed off from the bearing sleeve by means of an external seal placed at the bearing ring. In its axial extension it borders a water passage opening which is between a circulating water channel and a swivel spout connection piece. The advantage of this invention is that the water flow in the circulating water channel and towards the swivel spout connection piece is controlled in such a way that the formation of lime deposits in the area of the sealing rings is considerably limited even after a relatively long period of operation, or even prevented completely. Since the water can no longer get in between the parts moving in relation to each other and the bearing ring itself helps to protect the sealing rings, there is no longer a possibility of serious levels of lime deposits settling in this sensitive area.
Patent CA-2194399-C (CA)
Title: Novel carbapenem derivative
Inventor: SATO NOBUAKI
IPC: C07F7/10
Filed: 1995-06-29
Granted: 2007-02-13
Abstract: Compounds having potent antimicrobial effects over Gram-positive bacteria and Gram-negative bacteria, high stability to .beta.-lactamases and DHP-I and high safety for the human body and a process for producing the same. Carbapenem compounds represented by the following general formula (I) or salts thereof: (see Formula I) wherein the ring A represents a 3- to 7-membered ring containing at least one nitrogen atom and optionally having a substituent other than R6; R1 represents hydrogen or methyl; R2 and R5 are the same or different and each represents hydrogen or a protecting group of the hydroxyl group; R3 represents hydrogen or a protecting group of the carboxyl group; R4 represents hydrogen, lower alkyl or a protecting group of the amino group; R6 represents: (1) hydrogen, (2) lower alkyl optionally substituted by optionally protected hydroxy, carbamoyl, formimidoyl, acetimidoyl or (see Formula II) wherein R7 and R8 are the same or different and each represents hydrogen, lower alkyl, or a protecting group of the amino group), or (3) a protecting group of the amino group or a protecting group of the imino group; and m is 0 or 1. These compounds have antimicrobial effects and are useful as a drug.
Patent CA-2198942-C (CA)
Inventor: HORTON JAMES
IPC: A01K85/00
Filed: 1997-03-03
Granted: 2006-06-06
Abstract: The present invention is a natural bait holding fishing lure, available in multiple sizes, to use with dead bait fish and/or dew worms. This minnow head shaped lure is preferably molded from resin plastic and includes a rod or tube to impale the bait as it is inserted head first into the cavity of the lure. Also connected to the lure is a pivoting L shaped barbed locking pin device, and a metal foil which deflects water to simulate the swimming motion of a live minnow when trolled through the water with the bait attached, and thus promotes attraction of the target fish. On the Trailer Model, with a solid rod, a one piece wire with a tie line eyelet and a hook line eyelet is molded into the lure, anchoring the foil and wire into the plastic head On the Pull Through Model, equipped with a tube, the hooks are attached to a leader and threaded through the bait and then through the tube and attached to the fishing rod, the hook eye buttressed against the rear end of the tube.