baber/WOPTO huggingface dataset:
Patent CA-2190464-A1 (CA)
Title: Apparatus and method for inhibiting the leaching of lead in water
Inventor: COLTRINARI ENZO L
IPC: C23C18/31
Filed: 1995-06-02
Abstract: A copper alloy plumbing fixture (2) containing interdispersed lead particles (10, 12) coated noncontinuously on a water contact surface (4) to resist the leaching of lead into the potable water system. The leach resistant fixture is prepared by immersing conventional copper alloys in a bismuth nitrate solution, selectively and noncontinuously coating the lead dispersoid particles on the water contract surface (4) with bismuth. Tin may be substituted for bismuth to obtain similar results.
Patent CA-2190957-A1 (CA)
Inventor: BECK MARTIN H
IPC: D04H1/54
Filed: 1995-05-25
Abstract: Un tapis en non-tissé d'isolation thermoplastique fibreuse (52, 54, 56) est produit par soufflage à l'état fondu de téréphthalate de polyéthylène recyclé (PET). Le PET est fondu, mis sous pression puis extrudé à l'aide d'une tête d'extrusion (5) pour le transformer en fibres continues (20) qui sont soumises à un courant d'air turbulent à haute vitesse (41) qui atténue les fibres (C). Les fibres (22) sont ensuite récupérées dans un dispositif de récupération (39) pour former par accumulation un tapis en non-tissé. Le dispositif de récupération (39) est espacé du dispositif d'extrusion (5) pour former un chemin de vol de fibres (20), ce chemin de circulation étant suffisament long pour que les fibres se séparent en raison de la force de l'air (41) circulant à haute vitesse, les fibres subissant ainsi une fibrillation et se transformant en plusieurs fibrilles très fines (22) d'un diamètre inférieure à 15 microns. Ces fibrilles (22) sont analogues et améliorent considérablement la torsion floche et la valeur R du tapis.
Patent CA-2191845-A1 (CA)
Title: Retroviral gene therapy vectors and therapeutic methods based thereon
Inventor: RIVIERE ISABELLE
IPC: A61K35/28
Filed: 1995-05-16
Abstract: Retroviral vectors are disclosed which include an insertion site for genes of interest and are capable of expressing high levels of the protein derived from the genes of interest in a wide variety of transfected cell types. Also disclosed are retroviral vectors lacking a selectable marker, thus rendering them suitable for human gene therapy in the treatment of a variety of disease states without the co-expression of a marker product, such as an antibiotic.  These retroviral vectors are especially suited for use in certain packaging cell lines.
Patent CA-2194465-A1 (CA)
Inventor: VON RUEDEN THOMAS
IPC: C12N15/86
Filed: 1995-07-13
Abstract: Procédé de préparation de virus et de vecteurs viraux par transfection de cellules de mammifères avec des complexes d'ADN viral et d'un polycation qui, éventuellement, est conjugué avec un ligand pour la cellule cible, en présence d'un agent endosomolytique. Le procédé offre des avantages particuliers pour la production de rétrovirus de recombinaison, d'adénovirus et de virus adéno-associés dans la cellule, ce qui permet d'obtenir des titres élevés en virus dans des lignées cellulaires d'encapsidation ainsi que dans des cellules primaires. Le domaine d'application concerne principalement la thérapie génique.
Patent CA-2196016-A1 (CA)
Title: Increasing turbulent mixing in a uv system
Inventor: WHITBY G ELLIOTT
IPC: B01F5/00
Filed: 1997-01-27
Abstract: Turbulent mixing in a UV system is increased by positioning one or more ring-shaped devices,  such as washers, at one or more predetermined locations on the exterior surface of each lamp unit in the system.  The washers  may have  the  same  or  different  diameters. Turbulent mixing  is also increased by retaining the upstream end of each lamp unit in a ring-shaped device, alone or in combination with washers positioned on each lamp unit exterior surface as described above.
Patent CA-2196914-A1 (CA)
Title: Mixture, crop protection composition comprising the mixture, and its use
Inventor: KOBER REINER
IPC: A01N37/04
Filed: 1997-02-05
Abstract: A mixture consisting essentially of: a) one or more dicarboxylic acid esters of the formula I  ROOC-A-COOR (I) in which the radicals R independently of one another are alkyl groups having 1 to 20 carbon atoms and A is alkylene having 1 to 20 carbon atoms, alkenylene or alkynylene each having 2 to 20 carbon atoms, cycloalkylene or cycloalkenylene each having 5 or 6 carbon atoms or phenylene and b) the product (II) of the reaction of a triglyceride based on carboxylic acids having 2 to 30 carbon atoms and ethylene oxide and/or propylene oxide in the presence of a base, their use for the production of crop protection compositions, the herbicidal crop protection compositions, their use for controlling undesired plant growth, and spray mixtures comprising the compositions are described.
Patent CA-2198080-A1 (CA)
Title: Cell cycle regulated repressor and dna element
Inventor: MULLER ROLF
IPC: A61K35/76
Filed: 1995-08-23
Abstract: The present invention relates to a cell cycle regulated repressor protein which binds to a DNA element present in the control sequences of the human cdc25C gene and other cell cycle regulated genes, as well as the use thereof in cell cycle regulated expression systems.
Patent CA-2199324-A1 (CA)
Inventor: TUNINGLEY ALAN JAMES
IPC: E01B7/28
Filed: 1997-03-06
Abstract: A railway crossing, sometimes referred to as a diamond crossing, has four substantially identical crossing beams which have cutouts made for a wide range of crossing angles.  At least two separate base plates are cut to fit the required crossing angle and positioned beneath the crossing beams.  Each crossing beam has a flangeway groove extending along at least a portion of the beam length and each beam has integral rail shaped ends for connection to a standard rail section.  The crossing beams have top cutouts and bottom cutouts that intersect and are set for a predetermined crossing angle.          Boltless locator pins prevent horizontal movement of the top and bottom beams on the plates, and elastic fasteners hold the top and bottom beams to the plates to restrict vertical movement between the top and bottom beams and the plates.
Patent CA-2203209-A1 (CA)
Title: Variable sheet sets stapling and registration positions system
Inventor: FERRARA JOSEPH J
IPC: B65H9/00
Filed: 1997-04-21
Abstract: In an on-line printed sheets output handling system for the sequential output by a reproduction system, in which the printed sheets are registered in neatly superposed sets which are optionally fastened together by a finishing system, which is laterally repositionable to provide variable set finishing; a lateral registration system for said printed sheets output is repositionable with said finishing system, and has a sheet registration member engaging and laterally registering the printed sheets to selectable variable lateral sheet registration positions by the finisher lateral movement repositioning system rather than a separate lateral repositioning system, with a registration disengagement system for moving the sheet registration member out of registration engagement with the sheets after a set of sheets has been laterally compiled and before the finishing system is laterally repositioned. The finishing system may comprise two staplers, one of which is fixed, and the other of which is laterally repositionable and carries the sheet registration member of the lateral registration system. This system may be integral a disk inverter stacker system.
Patent CA-2203392-A1 (CA)
Title: Method of precipitating transition metals and alkaline earth metals from bleach plant effluents
Inventor: WENNBERG OLLE
IPC: D21C11/00
Filed: 1995-10-31
Abstract: Method of precipitating transition metals and alkaline earth metals out of bleaching department spent liquor from a chlorine-free bleaching process, in conjunction with producing lignocellulose-containing pulp, by means of supplying an alkaline liquid, which principally consists of green liquor, white liquor or a combination thereof, to the bleaching department spent liquor.
Patent CA-2204815-A1 (CA)
Inventor: BENVENISTE MATHILDE
IPC: H04W24/08
Filed: 1997-05-08
Abstract: Self RF engineering is made possible for a wireless communication system by adding to the self-configuration capability the ability to set autonomously the power levels of the system base stations. The same data is employed as in self configuration. A further improvement for systems using the IS 136 Air Interface Standard consists of the capability to collect the required data through the functionalities of the MAHO/MACA (Mobile Assisted Hand Off/Mobile Assisted Channel Assignment). Improved system-initialization procedures are presented.
Patent CA-2205362-A1 (CA)
Title: Universal radiographic room
Inventor: BLESER DENNIS
IPC: A61B6/00
Filed: 1995-12-06
Abstract: A universal radiographic apparatus that allows an operator to select between conventional radiographic mode and linear tomographic mode. In conventional radiographic mode of operation, several automatic modes are provided. An x-ray tube (106) mounted to a tube crane (104) positioned above an elevating table (107) can be accurately controlled in longitudinal and vertical movement, as well as in x-ray tube angulation. In linear tomographic mode, a table bucky (108) is moved laterally in opposition to movement of the tube crane (104), with angulation keeping the tube aimed at the bucky (108). In conventional radiographic mode, the system supports an auto bucky mode, where the table bucky automatically tracks tubecrane motion (104), or an auto table mode, where the tube crane (104) tracks table vertical motion (107) to maintain a fixed SID. In an auto wall mode, the tube crane (104) tracks vertical movement of an associated wall bucky (109).
Patent CA-2206876-A1 (CA)
Title: 18,19-dinor-vitamin d compounds
Inventor: PERLMAN KATO L
IPC: C07F7/18
Filed: 1995-11-13
Abstract: 18,19-dinor-vitamin D3 analogs in which the angular methyl group attached to carbon 13 of the CD-ring and the exocyclic methylene group attached to carbon 10 of the A-ring have been removed and replaced by a hydrogen atom. The 18,19dinor vitamin D compounds are characterized by relatively high cell differentiation activity, and marked intestinal calcium transport activity while exhibiting lower activity than 1.alpha.,25-dihydroxyvitamin D3 in their ability to mobilize calcium from bone. These compounds would be useful for the treatment of diseases where bone formation is desired, such as osteoporosis, because of their preferential calcemic activity, and for the treatment of psoriasis due to their cell differentiation activity.
Patent CA-2207901-A1 (CA)
Inventor: HANSEN MARVIN MARTIN
IPC: C07D277/34
Filed: 1995-12-14
Abstract: Nouvelle méthode pour préparer des dérivés de substitution benzyliques de la rhodanine. La méthode est particulièrement utile pour la synthèse d'énantiomères de ces dérivés. Nouveaux dérivés de substitution benzyliques d'acides mercaptopropanoïques et nouveaux dérivés de substitution benzyliques de thiazolidinones. Ces composés sont utiles pour traiter les affections intestinales inflammatoires; la présente invention présente une méthode pour traiter ces affections chez les mammifères à l'aide de ces nouveaux composés, ainsi que des compositions pharmaceutiques qui en renferment.
Patent CA-2208217-A1 (CA)
Title: Biodegradable branched synthetic ester base stocks and lubricants formed therefrom
Inventor: MEADE LEAH K
IPC: C10N30/00
Filed: 1995-12-08
Abstract: A biodegradable lubricant which is prepared from: about 60-99 % by weight of at least one biodegradable synthetic ester base stock which comprises the reaction product of: a branched or linear alcohol having the general formula R(OH)n, wherein R is an aliphatic or cyclo-aliphatic group having from about 2 to 20 carbon atoms and n is at least 2; and mixed acids comprising about 30 to 80 molar % of a linear acid having a carbon number in the range between about C5 to C12, and about 20 to 70 molar % of at least one branched acid having a carbon number in the range between about C5 to C10 and wherein no more than 10 % of the branched acids used to form the biodegrdable synthetic ester base stock contains a quaternary carbon; wherein the ester base stock exhibits the following properties: at least 60 % biodegradation in 28 days as measured by the Modified Sturm test; a pour point of less than -25 ~C; a viscosity of less than 7500 cps at -25 ~C; and oxidative stability of up to 45 minutes as measured by HPDSC.
Patent CA-2208401-A1 (CA)
Title: Building panels
Inventor: WOOD FRANCIS JOHN
IPC: E04B2/86
Filed: 1995-12-20
Abstract: A building panel (1) has an upper edge (4) adapted to interlock with a lower edge (6) of a vertically adjacent substantially identical panel (1). The lower edge (6) of the panel (1) is adapted to interlock with a vertically adjacent substantially identical panel (1) or base (16). Side edges (8, 9) of the panel (1) are substantially planar to permit abutment of a side edge (8) of one panel (1) against a side edge (9) of a horizontally adjacent substantially identical panel (1). A continuous channel (11) extends the length of each side edge (8, 9) and a further continuous channel (10) extends along the upper edge (4). To construct a wall, a plurality of panels (1) are placed horizontally adjacent to each other to form a lower layer (15). A cementitious mix is poured onto the panels (1) to fill the channels (10, 11). Alternatively, structural members can be placed into the channels (10, 11). A further layer of panels (22) is placed on top of the lower layer (15), and a cementitious mix is again poured into the channels (10, 11). This is repeated until the desired height is achieved.
Patent CA-2209395-A1 (CA)
Inventor: DUNN EDWIN REED
IPC: C08L13/00
Filed: 1997-07-02
Abstract: The present invention is based upon the discovery that composite open-cell foam structures, such as carpet underlay cushions, having improved compression resistance and better wear characteristics can be manufactured by utilizing a carboxylated styrene-butadiene rubber latex which is comprised of a styrene-butadiene rubber latex and a carboxylated styrene-butadiene rubber latex.  The subject invention more specifically discloses a carpet underlay cushion structure comprising:  a carrier layer of open-cell, resilient polyurethane foam material, said resilient foam material being substantially completely and uniformly impregnated with a carboxylated styrene-butadiene rubber latex blend, wherein said carboxylated styrene-butadiene rubber latex blend is comprised of (a) about 70 weight percent to about 95 weight percent of a styrene-butadiene rubber latex and (b) from about 5 weight percent to about 30 weight percent of a carboxylated styrene-butadiene rubber latex; the impregnated foam material being dried after said impregnation to produce a foamed, open-cell, resilient composite cushion structure wherein the open cells thereof partially comprise said carrier layer of polyurethane foam material.
Patent CA-2210942-A1 (CA)
Title: Device to cut out and weld in circular sheet metal blanks in a metal sheet
Inventor: NARBESHUBER KARL
IPC: B30B5/06
Filed: 1997-07-18
Abstract: An apparatus for cutting sheet metal discs (31) from and welding sheet metal discs (31), or other smooth-contoured sheet metal pieces, to a sheet metal strip (20) or other workpiece, particularly an endless sheet metal strip, e.g., in a double-strip press. The apparatus has guide for securing a cutting apparatus (34), welding apparatus, and a machining apparatus. The guide can be positioned on or against the sheet metal workpiece (20). The apparatus has a backing (32) positioned to support the disc about a weld seam to be produced. The guide (8) are held against the sheet metal strip by at least one electromagnet (2), preferably a plurality of electromagnets (2), and/or at least one vacuum element (35a, 35b, 35b, 35c), preferably a plurality of vacuum elements. Holding elements ( 12, 13, 14) are provided to secure the cutting and/or welding apparatuses (34, 34), which are moveable along the guide (8) by action of a motor (3).
Patent CA-2213770-A1 (CA)
Title: Method and apparatus for limiting interference between satellite systems
Inventor: POSKETT PETER
IPC: H04B7/185
Filed: 1995-03-29
Abstract: A method and apparatus for preventing interference between a first satellite and a second satellite which share frequencies for their up or down links. A ground station receives downlink interference above an acceptable threshold from the first satellite if the first satellite and the second satellite are separated, relative to the ground station, by less than a minimum discrimination angle. Likewise, the first satellite receives unacceptable uplink interference from the ground station in that situation. To overcome the problem of interference, the second satellite is prevented from transmitting to or receiving from a forbidden area of the earth's surface. The forbidden area may either be determined as an area within which the first satellite and the second satellite are separated by less than the minimum discrimination angle, or as a band within which the first satellite is separated by less than the minimum discrimination angle from any point within an orbital band within which the second satellite is located. Communications to and from the forbidden area are either handed over to other areas outside the forbidden area for routing into the forbidden area through a ground network, or are handed over to another satellite.
Patent CA-2215076-A1 (CA)
Title: Canter with curve-cutting capability
Inventor: BUCHACHER ERNIE R
IPC: B27L11/00
Filed: 1997-09-09
Abstract: A canter capable of curve-cutting featuring rotary, power-driven frustro-conical chipper heads for chipping a workpiece, which chipper heads are adjustable under the influence of movement structure to achieve five degrees of freedom of motion and adjustment which take into account the difference topographical characteristics of different workpieces.
Patent CA-2216095-A1 (CA)
Inventor: ROGELET THIERRY
IPC: F23Q2/16
Filed: 1996-10-03
Abstract: A lighter actuated by a push-control member (24) which can move in a longitudinal direction, and which resists use by children, comprising a lighter-body (2) and lighting means comprising said push-control member. The push-control member (24) is guided in two essentially perpendicular directions, a longitudinal direction (36) in relation to the lighter body (2) and a transversedirection (38, 56, 60) in relation to the lighter body (2). The push-control member (24) has an abutment face (34, 46, 52, 53) which is normally opposite a counter-abutment surface (34, 44, 2) integral with the lighter-body (2), and a push-control member (24) is displaceable in the transverse direction (38, 56, 60) such that its abutment face is then in a non-active position relative to itscounter-abutment surface. Elastic means (40, 54, 58, 41, 62) comprising an elastic tongue member extending longitudinally and deformable transversely in accordance with transverse movement of the push-control member (24), act in a transverse direction (38, 56, 60) to return the abutment face of the push-control member to a position opposite the counter-abutment surface, means being provided to return the push-control member (24) into a position of rest in the longitudinal direction. Said elastic means may comprise a U-shaped metallic strip, one branch of which being elastically deformable, the second branch acting as an electrode forming electrical contact with the conductive material of piezoelectric lighting system.
Patent CA-2217861-A1 (CA)
Title: Dispersible particulate system for desensitizing teeth
Inventor: GELFER MIKHAIL Y
IPC: A61K8/25
Filed: 1996-04-10
Abstract: A method for treating hypersensitive teeth by treating the teeth with an oral composition comprising hectorite clay, especially Laponite clay.
Patent CA-2221834-A1 (CA)
Title: Sport device
Inventor: OTTEN EGBERT
IPC: A63C9/20
Filed: 1996-05-24
Abstract: The invention relates to a frame for a sporting device for coupling to a shoe, such as a ski which is slidable or rollable by means of wheels, in particular a cross-country ski, or a skate frame for an ice-skate or roller-skate, which frame comprises: an upper sub-frame with means for coupling to a shoe to be worn by a user; a lower sub-frame which is coupled via a pivot mechanism to said upper sub-frame for pivoting in a main plane and which is provided with or adapted to be provided with a runner or wheels; and resetting spring means for urging both sub-frames toward each other. The frame according to the invention has the special feature that the sub-frames are mutually pivotable and translatable in the said main plane. A specific embodiment has the feature that the sub-frames form part of a mechanism comprising at least four mutually pivotable and/or translatable (optionally theoretical) rods.
Patent CA-2222102-A1 (CA)
Inventor: MOORE BRIAN K
IPC: E21B33/04
Filed: 1994-10-25
Abstract: A coiled tubing completion system is provided with a plurality of completion apparatus, all of which is designed flush with the diameter of the coiled tubing outside diameter for avoiding upsets and are flexible, spoolable on a coiled tubing reel and having through bores large enough to pass wireline tools for performing other operations. The spoolable coiled tubing system may use standard coiled tubing well control equipment and can be used in live wells. The flush, flexible, spoolable and through bore completion equipment may include a tubing retrievable safety valve, an annular control valve, concentric gas lift valves, a zone packer, a landing nipple, a sliding sleeve, and may include at the end a non-flexible but flush and open bore production packer and pump out plug. The completion system may be retrieved through a retrieval system.
Patent CA-2222254-A1 (CA)
Inventor: FINNEMORE HARLAN E
IPC: B01D45/06
Filed: 1997-11-25
Abstract: An apparatus for the separation of ash from a flue gas stream has a hopper defining a flow chamber for the flue gas stream. The hopper has an upper portion and a lower portion. The upper portion defines a horizontal flue gas inlet opening and a vertical flue gas outlet opening. The lower portion defines a hopper collector opposite the inlet opening. A plurality of generally triangular planar block-off plates are oriented horizontally across the flue gas inlet opening and define a plurality of triangular initial flue path openings therebetween. A plurality of triangular flow plates are mounted to the block-off plates adjacent the flow path openings. The flow plates extend vertically downward toward the hopper collector whereby the flow plates define second flow path openings therebetween in fluid connection with the flue gas outlet opening.
Patent CA-2225206-A1 (CA)
Title: Aminophenyl ketone derivatives and a method for the preparation thereof
Inventor: CORTES DAVID ANDRES
IPC: C07D307/33
Filed: 1997-12-18
Abstract: The present invention provides o-aminophenyl ketone derivatives which are intermediates useful in the manufacture of herbicidal sulfamoyl urea compounds, including the crop selective herbicide 1-{[o--(cyclopropylcarbonyl) phenyl]-sulfamoyl}-3-(4,6-dimethoxy--2-pyrimidinyl)urea. Also provided is a method for the preparation of said intermediates.