baber/WOPTO huggingface dataset:
Patent CA-2219700-A1 (CA)
Inventor: FORCE HERMAN MARSHALL
IPC: B60T13/66
Filed: 1997-10-30
Abstract: An air distribution apparatus (10) configured to retrofit with an existing air brake valve (18) of a locomotive braking system (12) to act as an interface with an electronic braking control device (14). The air distribution apparatus (10) includes a distribution body (56) configured for connection between the relay valve (28) and pipe bracket (30) portions of the brake valve (18), a plurality of passageways (58,60,62,64,66 and 68) formed in the distribution body (56) for delivering air between the brake valve (18) and the other components of the locomotive braking system (12), and a plurality of solenoid valves (70,72 and 74) electrically coupled with the electronic control device (14) and positioned in the passageways (62,66 and 68) for controlling the air flow through the passageways for permitting electronic control of the brake valve (18) utilizing feedback from pressure sensors (76,78) for safety and decision-making purposes.
Patent CA-2220081-A1 (CA)
Title: Bacterial mass production of paclitaxel
Inventor: PAGE MICHEL
IPC: C12P17/02
Filed: 1996-05-03
Abstract: The present invention relates to a biologically pure culture of a novel bacteria of genus Erwinia, which is isolated from Taxus canadensis, and wherein the bacteria of genus Erwinia taxi is characterized by the production of paclitaxel and related taxanes in a fermentative or respiratory type of metabolism from simple semi-synthetic or synthetic culture media. Also, the present invention relates to a method of bacterial mass production of paclitaxel and related taxanes which comprises the steps of: a) culturing the bacteria of genus Erwinia taxi of the present invention in a growth-supporting nutrient medium capable of promoting growth and reproduction of the bacteria, and wherein the culturing is effected for a time sufficient to allow production of paclitaxel and related taxanes; and b) isolating the produced paclitaxel and related taxanes from the culturing medium of step a).
Patent CA-2220127-A1 (CA)
Inventor: PEYTON GARY RODGER
IPC: C02F1/32
Filed: 1996-05-07
Abstract: Le procédé décrit permet de traiter des flux aqueux contaminés par des contaminants à affinité électronique. Ces contaminants sont ainsi éliminés par la production in situ d'un intermédiaire réactif qu'on fait alors réagir avec ces contaminants à affinité électronique. On produit cet intermédiaire réactif dans le flux aqueux en maintenant dans celui-ci une faible teneur en oxygène et en y introduisant un précurseur de radical réducteur tel qu'un alcool.
Patent CA-2220529-A1 (CA)
Title: Aromatic compounds and pharmaceutical compositions containing them
Inventor: BREAULT GLORIA ANNE
IPC: C07D413/04
Filed: 1996-06-17
Abstract: The invention relates to compounds of formula (I), wherein A is an optionally substituted, ring system provided that the -CH(R3)N(R2)B-R1 and -OD groups are positioned in a 1,2 relationship to one another on ring carbon atoms and the ring atom positioned ortho to the -OD linking group (and therefore in the 3position relative to the -CHR3NR2- linking group) is not substituted; B is an optionally substituted ring system; R1 is positioned on ring B in a 1,3 or 1,4 relationship with the -CH(R3)N(R2)- linking group and is as defined in the description; R2 is hydrogen, C1-6alkyl, optionally substituted by hydroxy, cyano or trifluoromethyl, C2-6alkenyl (provided the double bond is not in the 1-position), (C2-6alkynyl (provided the triple bond is not in the 1-position), phenylC1-3alkyl or pyridylC1-3alkyl; R3 is hydrogen, methyl or ethyl; D is hydrogen, an optionally substituted 5-7 membered carbocyclic ring containing one double bond, C1-3alkyl substituted by an optionally substituted 5-7 membered carbocyclic ring containing one double bond or D is of the formula (CH2)nCH(R4)C(R5)=C(R6)R7 and N-oxides of -NR2 where chemically possible; and S-oxides of sulphur containing rings where chemically possible; and pharmaceutically acceptable salts and in vivo hydrolysable esters and amides thereof; excluding 4-¢5-carboxy-2-hydroxybenzylamino!benzoic acid, 4-¢2,5-dihydroxybenzylamino!benzoic acid, 5-¢2-hydroxybenzylamino!-2-hydroxybenzoic acid, 3-¢2,5-dihydroxybenzylamino!benzoic acid, 4-¢2,5-dihydroxybenzylamino!benzenecarboxamide, 3-¢2-hydroxybenzylamino!benzoic acid, 4-¢2,5-dihydroxybenzylamino!-2-hydroxybenzoic acid, 4-¢hydroxybenzylamino!-2-hydroxybenzoic acid and 4¢2-hydroxybenzylamino!benzoic acid. Processes for their preparation, intermediates in their preparation, their use as therapeutic agents and pharmaceutical compositions containing them.
Patent CA-2220805-A1 (CA)
Inventor: SZYF MOSHE
IPC: C12N15/81
Filed: 1997-11-12
Abstract: The  present  invention  relates  to  a  DNA demethylase enzyme having about 200 to about 240 Kbp, and   wherein   said   DNA   demethylase   enzyme   is overexpressed in cancer cells and not in normal cells.
Patent CA-2221279-A1 (CA)
Inventor: TU CHI
IPC: A61K31/7072
Filed: 1996-05-30
Abstract: This invention discloses a method for the preparation modified nucleosides and nucleotides using a palladium catalyst, a nucleophile and carbon monoxide.
Patent CA-2222484-A1 (CA)
Title: Contraceptive transcervical fallopian tube occlusion devices having mechanical fallopian tube attachment
Inventor: TON DAI
IPC: A61F6/22
Filed: 1996-05-21
Abstract: The invention provides intra-fallopian devices and non-surgical methods for their placement to prevent conception. The efficacy of the device (10) is enhanced by forming the structure at least in part from copper or a copper alloy. The device (10) is anchored within the fallopian tube by a lumen traversing region (24) of the resilient structure which has a helical outer surface, together with a portion of the resilient structure which is biased to form a bent secondary shape, the secondary shape having a larger cross section than the fallopian tube. The resilient structure is restrained in a straight configuration and trans-cervical inserted within the fallopian tube, where it is released.  Optionally, permanent sterilization is effected by passing a current through the resilient structure to the tubal walls.
Patent CA-2225555-A1 (CA)
Inventor: BEASLEY STEVEN COLIN
IPC: A61K31/444
Filed: 1996-07-31
Abstract: 1-Alkyl-substituted-quinolone-3-carboxamides have therapeutic utility via inhibition of Phosphodiesterase IV esterase and/or Tumour Necrosis Factor activity.
Patent CA-2227619-A1 (CA)
Title: Machine d'emballage possedant des plaques de base retractables
Inventor: MALANOWSKI DON B
IPC: B65G17/26
Filed: 1997-03-25
Abstract: Cette invention concerne une machine d'emballage (11) destinée à emballer des articles tels que des bouteilles et des boîtes de conserve dans des conteneurs en carton fin. Cette machine comprend une voie de cheminement le long de laquelle se déplacent des cartons qui sont ensuite remplis d'articles. La largeur de cette voie de cheminement des cartons peut être réglée de manière à ce que la machine d'emballage puisse être utilisée avec des cartons de tailles diverses. Cette machine comprend également une série de dispositifs de type plaques de base rétractables et automatiques (26, 27, 28, 29), lesquels se situent sous les cartons et supportent ces derniers lorsqu'ils se déplacent le long de la voie de cheminement. Les plaques de base, qui sont actionnées de manière pneumatique, sont conçues pour s'élever automatiquement dans la voie de cheminement des cartons lorsque cette dernière s'élargit afin de fournir un support qui s'accroît progressivement. Dans le cas inverse, les plaques de base sont automatiquement abaissées hors de la voie de cheminement des cartons lorsque cette dernière se rétrécit.
Patent CA-2229200-A1 (CA)
Title: Process for the preparation of halogenated alkanes
Inventor: SMITH ADDISON MILES
IPC: C07B61/00
Filed: 1996-07-26
Abstract: A process for the preparation of halogenated alkanes is provided . In particular, a process is provided for the highly selective preparation of haloalkanes, including 1,1,1,3,3-pentachloropropane, pentachlorobutane, and hepatchlorohexane, in good yield.
Patent CA-2229825-A1 (CA)
Inventor: WU CHIA-HAO
IPC: A45D34/04
Filed: 1998-02-18
Abstract: A multi-functional back brush includes a brush head having an upper portion provided with a strap, a front end formed with a first opening, a rear end formed with a second opening, an adjustable shaft having a first end engageable with the first and second openings of the brush head, an axle fitted through the center through hole of the adjustable shaft and having an end provided with a disk formed with a plurality of teeth engaged with a circular toothed recess of the adjustable shaft, a handle having a circular end engaged with the second end of the adjustable shaft, a toothed rack mounted on a bottom of the handle, an adjusting block movably engaged with the toothed rack, a T-shaped member fixedly mounted on the circular end of the handle and having a resilient blade engaged with radial partitions of adjustable shaft, a spring fitted within the circular end of the handle, an actuator arranged within the circular end of the handle, a cap threadedly engaged with the circular end of the handle, and a pushbutton fitted within the cap, whereby the brush head can be conveniently adjusted in angular position as desired.
Patent CA-2231113-A1 (CA)
Title: Method for manufacturing fiber optic sensors and novel sensors provided thereby
Inventor: LYNCH LAURIE
IPC: G01N21/80
Filed: 1996-08-27
Abstract: A method is provided for manufacturing a fiber optic sensor for detecting or measuring a parameter of interest in a sample fluid, including pH, concentration of dissolved gases such as O2 or CO2, and the like. The sensing chemistry (20) is affixed to the distal end of an elongated optical fiber device (10) by way of an adhesive layer (16) typically comprised of an acrylic adhesive composition. Novel optical sensors, fabricated using the aforementioned method, are provided as well.
Patent CA-2234487-A1 (CA)
Title: Abrasive-band grinding device for rolls and a method for the control of an abrasive-band grinding device in the grinding of the faces of crowned rolls
Inventor: PARVIAINEN SEPPO
IPC: B24B5/36
Filed: 1998-04-09
Abstract: An abrasive-band grinding device for rolls and method for grinding rolls in which a motor rotates an abrasive band such that the abrasive band is pressed against the face of the roll to be ground. Guide pulleys are arranged in a loop of the abrasive band and, between the guide pulleys, a rotatable contact pulley is arranged over which the abrasive band is pressed against the face to be ground. The contact pulley is controlled by an actuator, preferably a motor, so that it can be inclined in relation to the roll face to be ground.
Patent CA-2234865-A1 (CA)
Title: Wear-resistant traffic marking composition
Inventor: BROWN WARD THOMAS
IPC: C09D5/00
Filed: 1998-04-15
Abstract: Aqueous wear-resistant traffic marking compositions which include an aqueous emulsion polymer having at least two functional groups reactive with isocyanate, an alkoxysilane having at least one functional group reactive with isocyanate, and a polyisocyanate are provided. Also provided is a method for producing a wear-resistant traffic marking on a road surface.
Patent CA-2238193-A1 (CA)
Inventor: VAN DER MERWE MARIUS
IPC: A61B17/32
Filed: 1996-11-20
Abstract: Scalpel médical (10) comprenant un manche (20) et une lame de scalpel (30) placée sur un porte-lame (40). Le manche (20) et le porte-lame (40) sont reliés de manière articulée au moyen d'un dispositif à charnière s'étendant de façon transversale par rapport à l'axe principal du scalpel. Le porte-lame (40) peut opérer une rotation entre une position fonctionnelle, dans laquelle la lame (30) est à nu en vue de son utilisation, et une position non fonctionnelle, dans laquelle la lame (30) est retenue dans une cavité (22) formée dans le manche (20). Le porte-lame (40) est de préférence adapté pour opérer une rotation par charnière et être retenu en position non fonctionnelle de la lame (30) par des éléments de maintien formés dans les surfaces correspondantes du porte-lame (40) et du manche (20). Le scalpel est moulé solidaire dans une matière plastique moulée par injection, l'élément charnière étant constitué par une ligne de fracture (50) moulée solidaire entre le porte-lame et le manche.
Patent CA-2239802-A1 (CA)
Inventor: SHINJOH MASAKO
IPC: C12N15/09
Filed: 1998-08-05
Abstract: A DNA comprising a nucleotide sequence which encodes a protein as defined by (a) or (b) and having sorbitol dehydrogenase activity:   (a) a protein having the amino acid sequence from the position 1 to716 of the sequence described in SEQ ID NO: 2, or (b) a protein derived from the protein of (a) by substitution, deletion, insertion or addition of one or more amino acids in the amino acid sequence defined in (a), vectors, comprising such DNAs, hosts transformed by such vectors, a process for the preparation of such proteins and their use.
Patent CA-2240362-A1 (CA)
Title: Absorption refrigerator with automatic defrosting
Inventor: NYQVIST MATTIAS
IPC: F25D17/06
Filed: 1998-06-11
Abstract: A refrigerator cabinet operated by an absorption refrigerating apparatus has a freezing compartment cooled by an upper part of an evaporator of the apparatus and a refrigerating compartment that is cooled by a lower part of the evaporator. The temperature in the refrigerating compartment is kept at a set value by activating or shutting off the refrigerating apparatus. The upper part of the evaporator is provided with a thermally conductive plate for cooling the freezing compartment. The temperature in the freezing compartment is kept at a set value by heat transfer to the plate. For example, a variable speed fan in the freezing compartment moves the air through a duct and past the plate. A film heater on the plate is used for defrosting and for controlling temperature in the freezing compartment.
Patent CA-2240719-A1 (CA)
Inventor: MONTE WILLIAM T
IPC: C07C45/57
Filed: 1996-12-10
Abstract: A process of preparing alkyl or aryl aldehydes using Grignard protected aldehydes and alkyl or benzyl halides is provided. The Grignard protected aldehyde is reacted with the halide in the presence of a copper catalyst and the product of that reaction is selectively deprotected by hydrolysis.
Patent CA-2240814-A1 (CA)
Title: Traitement de surface pour microconduits utilises dans un systeme d'echange de chaleur pour la regulation de la temperature du sang
Inventor: ELGAS ROGER J
IPC: B29C70/84
Filed: 1997-01-10
Abstract: L'invention concerne un appareil échangeur de chaleur (10), pour la régulation de la température du sang, présentant une aptitude améliorée à l'échange de chaleur ainsi qu'une liaison améliorée des fibres (32) d'échange de chaleur constituant des microconduits. Un microconduit comprend une pluralité de fibres (32) de forme allongée, qui peuvent être réalisées en un matériau hydrophobe tel que le polypropylène ou le polyéthylène. Les fibres de microconduit (32) peuvent être pourvues d'un matériau enveloppe (14) échangeur de chaleur, ces fibres (32) étant fixées à un ensemble de mailles, par exemple un treillis tissé, de façon à être maintenues selon un alignement prédéterminé, tout en étant sensiblement parallèle les unes aux autres. Le matériau enveloppe (14) est placé autour d'une broche (16) de forme allongée, cela de façon à former une âme d'échange de chaleur (12) généralement cylindrique. Une coquille (22) est placée autour de l'âme (12) de façon à contenir le fluide de transfert de chaleur qui passe autour des fibres (32). Un premier et un second joints (26, 28) opposés sont créés par application d'une pâte de remplissage entre les fibres (32), à proximité, respectivement, de la première et de la seconde extrémité (18, 20) de la broche. Les propriétés chimiques superficielles des fibres (32) sont modifiées par un traitement tel qu'un traitement par décharges corona, cela facilitant la liaison des joints (26, 28) constitués d'une pâte de remplissage telle qu'une pâte uréthane.
Patent CA-2245904-A1 (CA)
Inventor: MATACOTTA FRANCESCO CINO
IPC: B01D53/02
Filed: 1997-02-10
Abstract: Compounds having the formula: A2B3O6~d wherein A is an alkaline-earth metal, an alkaline metal, a lanthanide, or a solid solution thereof, B is a transition metal, an element of group III, or a solid solution thereof, and d has a value between 0 and 1; a method for preparing the compounds; a method for producing composite materials on various matrices and thin or thick films deposited on various substrates which contain the compounds; their use; and a method for eliminating certain gases from a mixture that includes them by using the compounds.
Patent CA-2245937-A1 (CA)
Title: Novel histidine kinase
Inventor: WALLIS NICOLA GAIL
IPC: A61K35/76
Filed: 1998-10-06
Abstract: The invention provides histidine kinase polypeptides and DNA (RNA) encoding histidine kinase polypeptides and methods for producing such polypeptides by recombinant techniques. Also provided are methods for utilizing histidine kinase polypeptides to screen for antibacterial compounds.
Patent CA-2246176-A1 (CA)
Inventor: MORGAN DAVID
IPC: H01R33/09
Filed: 1998-08-28
Abstract: A protective device for use with a lamp holder for a high-voltage dual-pin lamp, such as a halogen lamp, includes a wall that surrounds the lower portion of an installed bi-pin lamp so as to prevent contact of the installer's fingers with the high-voltage pins. The protective device may also include a transverse rib that prevents the insertion of a low-voltage bi-pin lamp into a high-voltage lamp holder.
Patent CA-2246273-A1 (CA)
Title: Microorganisms and their use in treating animal feed and silage
Inventor: MANN STEPHEN PHILIP
IPC: A23K3/02
Filed: 1997-02-17
Abstract: A method for treating silage, or animal feed susceptible to the growth thereon of spoilage organisms selected from yeasts, moulds and spore-forming bacteria, comprises adding to the feed an antimicrobial effect obtainable by fermentation of Lactobacillus buchneri, NCIMB 40788, said effect being obtained in addition to fatty acids normally produced in fermentation, and said effect being characterised by its ability to inhibit the growth of said spoilage organisms. This effect may be due to a substance that, when subjected to heat for 10 min, is stable at 80 ° C and inactivated at 120 ° C.
Patent CA-2247573-A1 (CA)
Title: Ethylene/vinyl acetate latex binders and paints prepared with surface-active initiators
Inventor: FARWAHA RAJEEV
IPC: C09D131/04
Filed: 1998-09-15
Abstract: The invention is directed to aqueous coating compositions which are freeze-thaw stable in the absence of conventional volatile coalescing solvents and volatile freeze-thaw (F/T) additives and which utilize a latex binder which contains an EVA thermoplastic interpolymer which is prepared by emulsion polymerization of ethylene, vinyl acetate and a surface active initiator having an azo group as radical generating functionality and an anionic substituent, and to latex binders which contain the EVA interpolymer.
Patent CA-2249820-A1 (CA)
Title: Fibre link superframe format
Inventor: OKURA DAVID
IPC: H04J3/16
Filed: 1998-10-06
Abstract: A serial optical link for transmission of payload data is utilised so as to permit transmission of information facility data unrelated to the payload data. A superframe is constructed at the transmission facility made up of a serial series of data frames. Each data frame consists of serially arranged words including a number of payload data words and a non-payload word. One non-payload word of the superframe has information facility data which provides a communication channel from the transmitting facility to the receiving facility for information unrelated to the communication of payload data. Another non-payload word has alarm and status facility data. The information facility data is stored in a FIFO buffer when received. If the FIFO buffer is within two words of being full, a full signal is incorporated in the next alarm and status facility data word which causes the receiving end to suspend sending information facility data words.
Patent CA-2251016-A1 (CA)
Inventor: CHABRIER DE LASSAUNIERE PIERRE
IPC: C07D295/12
Filed: 1997-04-04
Abstract: Dérivés de la phénylpipérazine ayant une affinité élevée pour le récepteur .alpha.1-adrénergique et compositions pharmaceutiques les contenant. Egalement décrite est une méthode d'utilisation de tels dérivés pour traiter l'hyperplasie bénigne de la prostate.
Patent CA-2251688-A1 (CA)
Inventor: RODGER ALBERT ALEXANDER
IPC: E21B7/24
Filed: 1997-02-11
Abstract: The invention provides a ground sensing system (10) comprising: sensing means (19) located, in use, on a projectile being driven through ground by means of apparatus having a self adjustment between a vibration mode and a vibro-impact mode according to encountered ground resistance, the sensing means sensing the dynamic resistance of the ground that the projectile is passing through; signal processing means for processing the output of said sensing means to provide a dynamic resistance waveform (106); and waveform recognition means (108) for correlating said dynamic resistance waveform with stored dynamic waveforms for identifying a ground characteristic. The waveform recognition means may comprise a neural network system.
Patent CA-2252471-A1 (CA)
Inventor: MARTINEZ MICHELE
IPC: F01D1/02
Filed: 1997-04-23
Abstract: Procédé permettant l'utilisation d'une turbine à vitesses et puissances variables. Un injecteur (15) est placé dans un canal (3) en aval d'une turbine (4); il créé un effet Venturi et transforme une commande de pression en une commande de débit masse d'un fluide mélangé. Des capteurs (18) et un moyen de régulation (17) permettent d'adapter la vitesse de la turbine (4) à une vitesse consigne. Une variante consiste en la mise en place d'un générateur de dépression au sortir de la section (5) du canal (3).
Patent CA-2254421-A1 (CA)
Inventor: CHAN ALBERT S
IPC: A61F2/82
Filed: 1998-11-18
Abstract: A method for coating a substrate with a radioisotope comprising is disclosed. The method comprises immersing the substrate within a solution containing a .UPSILON., .beta.+, .alpha. or .beta.- emitting radioisotope, then exposing the immersed substrate to tuned vibrational cavitation (i.e. ultrasonic) to produce a coated substrate, followed by baking the coated substrate at a temperature below the recrystallization temperature of said substrate. Following this step, the substrate is rinsed and dried. Substrates coated using the method of this invention exhibit very low rates of leaching of the coated radioisotope, and are suitable for use within medical applications.
Patent CA-2254434-A1 (CA)
Title: Droloxifene pharmaceutical compositions
Inventor: CAMPETA ANTHONY MICHAEL
IPC: G21K1/02
Filed: 1998-11-24
Abstract: Compositions of matter comprises droloxifene or a pharmaceutically acceptable salt thereof and a cyclodextrin. Preferred cyclodextrins are SBECD and HPBCD. The composition can comprise a dry mixture a dry inclusion complex or an aqueous solution. The citrate salt of droloxifene is preferred.
Patent CA-2256050-A1 (CA)
Inventor: WAGNER RUEDI
IPC: D01D4/06
Filed: 1998-12-15
Abstract: A plant for spinning multi-coloured threads comprises a plurality of extruders (10, 12, 14; 101; 102, 103) and a spinning beam (16) with spinning nozzle packs or spinnerets (D1 through D18; 8) which each generate a creel thread. The creel threads can be combined in groups in processing positions P1 through P6, or according to the Figures 6 through 9 can be combined for forming multi-coloured threads. An exchangeable or rotatable distributor element (Fig. 2b, Figures 3 and 4; Figures 6 through 12.2) is provided at a connecting point (VSt) for connecting ducts for melted material from the extruders to ducts for melted material to the spinning nozzle packs or spinnerets (P1 through P6; 8). The plant configuration can be changed by exchanging the distributor element e.g. in such a manner that at least in one group all threadsshow the same colour.