baber/WOPTO huggingface dataset:
Patent CA-2167232-A1 (CA)
Inventor: THORMAN CHRISTOPHER SCOTT
IPC: A01D34/62
Filed: 1996-01-15
Abstract: A mechanism for scraping debris from the roller of a reel mower cutting units, and including a rod member having end portions pivotally supported by brackets.  A plate member is fixed with the rod member and includes a non-linear edge portion which generally mates with the surface of the roller. The weight of the rod and plate member urges the rod to pivot the plate member toward the roller for wiping debris from said roller.  The rod members abut portions of the brackets for limiting pivoted motion of the rod and plate members away from the surface of the roller.  The plate member can also be fixed to the rod member so that a straight edge portion of the plate member will wipe debris from a roller having a smooth surface.
Patent CA-2172227-A1 (CA)
Inventor: ERHARD PATRICK
IPC: B21K21/08
Filed: 1996-03-20
Abstract: L'invention a pour objet un procédé de fabrication d'une boîte métallique de forme comprenant, d'une part, un fond (1) et une jupe périphérique (2) cylindrique venue de matière avec ledit fond (1) et comportant au moins une zone (2B) expansée et, d'autre part, un couvercle serti sur la jupe périphérique (2). Le procédé consiste à réaliser ladite au moins zone (2B) en effectuant au moins une étape consistant à expanser localement et successivement des zones élémentaires de la jupe périphérique (2) en commençant par une première zone élémentaire située le plus près du fond (1) jusqu'à une dernière zone élémentaire la plus éloignée dudit fond (1). Les zones élémentaires se chevauchent partiellement pour obtenir ladite au moins zone (2B) expansée.
Patent CA-2176788-A1 (CA)
Title: Process for producing 4-trifluoromethylnicotinic acid
Inventor: KOYANAGI TORU
IPC: C07C229/22
Filed: 1996-05-16
Abstract: A process for producing 4-trifluoromethylnicotinic acid of the formula (VIII) or its salt: (see formula I) which comprises (i) a first step of reacting a halide of the formula (I): CF3COHal (I) wherein Hal is a halogen atom, with a compound of the formula (II): CH2=CHOR1 (II) wherein R1 is an alkyl group, in the presence of a base to obtain a 4-alkoxy-1,1,1-trifluoro-3-buten-2-one of the formula (III): CF3CO-CH=CH-OR1 (III) wherein R1 is as defined above, and reacting this compound with ammonia to obtain 4-amino-1,1,1-trifluoro- 3-buten-2-one of the formula (IV):   and (ii) a second step of subjecting the 4-amino-1,1,1- trifluoro-3-buten-2-one obtained in the first step and a compound of the formula (V): ACO2R2 (V) wherein R2 is an ester-forming residue, and A is (R3O)CH=CH- or (R30)2CHCH2-, wherein R3 is an alkyl group, to a condensation reaction to obtain a compound of the formula (VI) (inclusive of its salt):   wherein R2 is as defined above, and/or a compound of the formula (VII) (inclusive of its salt):   wherein R2 and R3 are as defined above, as the reaction product, and then subjecting the reaction product to ring closure and hydrolysis.
Patent CA-2177607-A1 (CA)
Inventor: VERRETT SHELDON PHILIP
IPC: C11D3/33
Filed: 1994-12-01
Abstract: L'invention concerne un procédé de préparation de nitrilotriacétate de métal alcalin granulaire à pouvoir d'absorption élevé par mise en contact d'une poudre NTA avec une dose d'acide partiellement neutralisante. On obtient un produit granulaire dont la majorité des granules présente, en poids, un calibre de -12 à +80 et une densité d'au moins 0,60 g/cc ainsi qu'une absorptivité dans l'essai d'absorptivité de l'ordre de plus de 7 ml/100 g, en mettant ledit nitrilotriacétate de métal alcalin en contact avec de l'acide, en mélangeant ladite substance de manière à la granuler et à sécher les granules. On obtient ainsi un produit granulaire présentant une densité d'au moins 0,60 g/cc, moins de 15 % de fines et une absorptivité de l'ordre d'environ 7-20 ml/100 g.
Patent CA-2178175-A1 (CA)
Title: Thermal pulse flowmeter sensor
Inventor: FRANOLIC IVO
IPC: E21B49/08
Filed: 1996-06-04
Abstract: A sensor for use in measuring flow rate or density of a fluid or gas in a well or similar environment comprises a solid plastic body having a relatively low thermal conductivity. A coiled thermocouple is formed around the body so that a temperature difference between opposite sides of the body will generate a voltage from the thermocouple. The coiled thermocouple consists of a series of turns of constantan wire wound around the body thereby forming a coil, and having plated onto each turn along one side of the coil a layer of copper, thereby forming an area of continuous thermocouple under the plated copper on each turn of the wire. A heater wire is positioned along one side of the thermocouple coil to generate heat energy into the body as well as into the fluid or gas to be measured. The resulting temperature differential across the body causes a thermocouple voltage to be generated which has a calibrated relationship to the flow rate or density of the fluid or gas to which the sensor is exposed.
Patent CA-2179106-A1 (CA)
Title: Pigment compositions of diketopyrrolopyrroles
Inventor: WALLQUIST OLOF
IPC: C08L23/00
Filed: 1996-06-13
Abstract: 1. A pigment composition, comprising a) 80-99.8 mol% of a diketopyrrolopyrrole of formula   wherein A and B are each independently of the other a   wherein R1 and R2 are each independently of the other hydrogen, chloro, bromo, C1-C6alkyl, C1-C18alkoxy, C2-C19alkoxycarbonyl, C2-C19alkylcarbamoyl, C1-C18alkylmercapto, C1-C18alkylamino, C5-C6cycloalkyl, G is a direct bond or -O-, -S-, -SO-, -SO2- or -NR5-, R3 and R4 are each independently of the other hydrogen, chloro, bromo, C1-C6alkyl, C1-C18alkoxy or C1-C18alkylamino, and R5 is hydrogen or C1-C6alkyl, and b) 20-0.2 mol% of a diketopyrrolopyrrole of formula                 (II), wherein one of R6 or R7 is hydrogen and the other is -CN. Such pigment compositions are distinguished by excellent resistance to recrystallisation and heat.
Patent CA-2182105-A1 (CA)
Title: Chloropyrimide intermediates
Inventor: DALUGE SUSAN MARY
IPC: C07D405/12
Filed: 1995-02-03
Abstract: The present invention relates to certain novel pyrimidine intermediates of formulae I, II and III indicated hereinafter and their salts, processes for their preparation and processes for their conversion to 9-substituted-2-aminopurines which are useful in medical therapy: (see figure I, II, III)
Patent CA-2182326-A1 (CA)
Inventor: ADOLFSEN ROBERT H
IPC: C12Q1/42
Filed: 1996-07-30
Abstract: Improved assay methods utilizing stable, enzymatically triggered chemiluminescent 1,2-dioxetanes with improved water solubility are provided.  Assays are performed by a capsule chemistry analytical assay method wherein fluid capsules comprising discrete aqueous segments containing either a chemiluminescent dioxetane reagent or an activating agent separated by an oil-based isolating fluid are flowed through a conduit, and subsequently reacted to produce light.     The improvement comprises using a dioxetane substituted with two or more water-solubilizing groups disposed on the dioxetane structure to provide the chemiluminescence.  Compositions comprising such a dioxetane, a non-polymeric surfactant enhancer and optionally a fluorescer, provide enhanced chemiluminescence and eliminate the problem of reagent carryover when used in assays performed on capsule chemistry analytical systems.
Patent CA-2183710-A1 (CA)
Inventor: NAKAI AKIRA
IPC: C08G2/06
Filed: 1996-08-20
Abstract: A process for producing a polyacetal copolymer, which is extremely heat-stable and is extremely reduced in the quantity of unstable terminals even in a high polymerization yield in which trioxane as the principal monomer, comprises copolymerization of trioxane as the principal monomer with a cyclic ether or cyclic formal having at least one carbon-to-carbon bond as the comonomer by using a specific heteropoly-acid or acid salt thereof as a polymerization catalyst until the content of the remaining monomers is lowered to at most 10% by weight based on all the monomers fed, adding 0.01 to 10% by weight, based on the resulting crude polymer, of a solution containing a catalyst deactivator, or contacting a basic gas as the deactivator to deactivate the catalyst, and subjecting the crude polymer as such to heat melting treatment without washing thereof.
Patent CA-2186235-A1 (CA)
Title: Polypeptides for diagnosing infection with trypanosoma cruzi
Inventor: KIRCHHOFF LOUIS V
IPC: C12N15/30
Filed: 1995-03-20
Abstract: Polypeptides are disclosed that are useful for diagnosing American Trypanosomlasis, or Chagas disease, a disease caused by the infectious agent Trypanosoma cruzi. The polypeptides have a sequence that corresponds to the amino acid sequence of at least one of the C-terminal and N-terminal nonrepetitive regions of TCR27 protein. The polypeptide additionally may comprise an amino acid sequence of one or more repeats from the central region of TCR27 protein. In a preferred embodiment, the polypeptide corresponds to the N-terminal nonrepetitive region of TCR27 protein and at least one repeat from the central region of TCR27 protein, and does not correspond to the C-terminal nonrepetitive region. The polypeptides may further comprise a linker sequence at either the N-terminus or the C-terminus to facilitate attachment or conjugation to a carrier molecule in a liquid or solid support system for use in a sensitive assay for detecting T. cruzi infection.
Patent CA-2186238-A1 (CA)
Title: Apparatus for spreading material
Inventor: KEENAN RCHARD
IPC: A01C3/06
Filed: 1995-03-29
Abstract: A spreader wagon (1) comprises a container (10). A dispensing rotor (30) is rotatable in the container (10) for dispensing material through a dispensing outlet (21). A piston plate member (45) is movable within the container (10) for urging material into engagement with the dispensing rotor (30). An inner separating member (75) and an outer separating member (76) are rotatably mounted on the dispensing rotor (30) for separating material from the mass of material in the container (10) for dispensing through the dispensing outlet (21). A drive transmission means interconnects the dispensing rotor (30) and the inner and outer separating members (75,76) so that the separating members (75,76) rotate relative to the dispensing rotor (30) as the dispensing rotor (30) rotates.
Patent CA-2186887-A1 (CA)
Title: Stretchable flame resistant fabric
Inventor: STANHOPE MICHAEL T
IPC: D03D15/56
Filed: 1996-03-01
Abstract: A stretchable flame resistant fabric formed from a series of flame resistant warp yarns interwoven with a series of filling yarns.  The filling yarns comprise core yarns formed from an elastic material, wrapped with a  series of wrap yarns  formed from a flame resistant material.  The stretchable flame resistant fabric  thus  provides  a  desired  degree  of  flame resistance protection,  while  at  the  same  time  is stretchable in one direction to provide the fabric with greater flexibility without sacrificing flame resistance protection.
Patent CA-2187289-A1 (CA)
Inventor: HANSON GARY D
IPC: H04J3/08
Filed: 1995-07-31
Abstract: A grooming device (18) includes an inbound crosspoint switch (30) that combines proprietary STS-1 signals from any of a plurality of optical terminators (16) into a grouped set of output signals for transmission to a broadband matrix subsystem through dedicated matrix interfaces (20). The inbound crosspoint switch (30) includes a crosspoint matrix (72) that receives each of the plurality of input signal lines at each output signal port and selects which input signal line is connected to which output signal port as determined by a microprocessor controller (78). Each output signal port has a register (90) for storing information as to which input signal line is to be connected to that port. A decoder (92) generates a control signal from the information stored in the register (90) to drive a multiplexer (94) for selection of the appropriate input signal line.
Patent CA-2187338-A1 (CA)
Title: Purification of oligodeoxynucleotide phosphorothioates using anion exchange chromatography
Inventor: TANG JIN-YAN
IPC: C12N15/10
Filed: 1995-04-07
Abstract: The present invention provides improved methods for separating and purifying oligonucleotide phosphorothioates. For the first time, we used DMAE ion-exchange chromatography to separate and purify oligonucleotide phosphorothioates. We found that by varying the conditions employed excellent separation can be obtained. In particular, we have been able to use a higher pH and lower salt concentrations than previously reported in the literature to obtain chromatographic separation of oligonucleotide phosphorothionates having length up to about 35 nucleotides.
Patent CA-2188737-A1 (CA)
Inventor: LINDEN ERKKI OLAVI
IPC: A01G3/02
Filed: 1996-10-24
Abstract: A hand tool for cutting, such as a pair of pruners, includes a pair of opposed elongated members, each member comprising a jaw at a front end portion thereof, a handle at a rear end portion thereof, and a midportion where the members cross over each other. A pivotable joint unites the midportions for scissor-like movement of the handles and jaws, and a spring biases the handles and jaws to an open position. According to the invention, one of the handles is rotatable. A transmission mechanism is provided to interconvert the rotation force applied to the rotatable handle into a rectilinear force used to draw the handles together.
Patent CA-2189069-A1 (CA)
Inventor: BRUEGGEMANN HELMUT
IPC: A01G31/00
Filed: 1995-05-20
Abstract: The present invention relates to layered bodies consisting of at least one plastic foam and/or latex foam layer and particulate, su-perabsorbent polymers for the absorption of water and aqueous liquids, which bodies comprise the superabsorber on, between, or below the foamed plastic and/or latex layer in a quantitatively and/or locally predetermined and fixed areal configuration at a quantity ratio of plastic and/or latex foam to the superabsorber of 1: 500 to 50: 1. The plastic/latex foam may comprise fillers, pigments and/or synthetic fibers. The layered bodies have an in-creased absorption capacity for water and aqueous liquids, in par-ticular under load. They are manufactured by spreading out the foam, applying the superabsorber in the predetermined quantity ratio, optionally by using a stencil, and by fixing it by means of a heat treatment. These layered bodies are used in hygienic articles, as components in natural or artificial soils, as insulating material for pipes and ducts, primarily for cables and constructional ele-ments, as liquid-absorbing and liquid-storing component in packag-ing materials  and as a part in garments.
Patent CA-2190528-A1 (CA)
Title: Primate embryonic stem cells
Inventor: THOMSON JAMES A
IPC: C12N5/0735
Filed: 1996-01-19
Abstract: A purified preparation of primate embryonic stem cells is disclosed. This preparation is characterized by the following cell surface markers: SSEA-1 (-); SSEA-3 (+); SSEA-4 (+); TRA-1-60 (+); TRA-1-81 (+); and alkaline phosphatase (+). In a paricularly advantageous embodiment, the cells of the preparation have normal karyotypes and continue to proliferate in an undifferentiated state after continuous culture for eleven months. The embryonic stem cell lines also retain the ability, throughout the culture, to form trophoblast and to differentiate into all tissues derived from all three embryonic germ layers (endoderm, mesoderm and ectoderm). A method for isolating a primate embryonic stem cell line is also disclosed.
Patent CA-2192763-A1 (CA)
Title: Control valve for use in a dual handled hot/cold water mixing faucet
Inventor: KO HSI-CHIA
IPC: F16K3/08
Filed: 1996-12-12
Abstract: An  improved  control  valve for use in  a  mixing valve  has  a valve mount,  a spindle assembly and a  water restraining plate having two outlets.  The spindle assembly has a spindle rod and a two staged valve body  having  a chamber  at  the lower portion thereof. In the  chamber  are there a  plurality of cylindrical posts,  including 4  long posts and other short posts that are arranged in order. The cylindrical posts are used to reduce the noise of turbulent flow  passing through the valve body and the 4  long  posts support  the  water restraining plate in place and  stop  a spring  biased  sealing pad from dropping into chamber  via the outlets.  Thus, the spindle rod of the spindle assembly can  be  rotated more smoothly and the  noise  produced  in operation can be minimized.
Patent CA-2199987-A1 (CA)
Inventor: LEE ELDON CHEN-HSIUNG
IPC: A23L11/00
Filed: 1997-03-13
Abstract: A process for preparing a fried bean flavour which comprises preparing a bean paste, hydrolysing the bean paste with a proteinase and a carbohydrase, and reacting the hydrolysed bean paste at an elevated temperature with an edible fat or oil and lecithin.
Patent CA-2200306-A1 (CA)
Inventor: ALLEN PATRICK JAY
IPC: A61F13/49
Filed: 1995-09-14
Abstract: A disposable article having a void area for isolation of fecal material is disclosed. The void is created by having a split absorbent core and at least one elastically extendible topsheet/backsheet panel proximate to the split.  The void is created and adjusted by the amount of extension of the topsheet/backsheet proximate to the split.
Patent CA-2200469-A1 (CA)
Title: Condensed compounds, their production and use
Inventor: TAKATANI MUNEO
IPC: C07D491/04
Filed: 1995-10-09
Abstract: This invention provides new condensed furan compounds of formula (I) which exhibit excellent 2,3-oxidosqualene cyclase inhibition and high-density lipoprotein-cholesterol elevating activities. This invention also provides a therapeutic and prophylactic agent of formula (I') for hyperlipidemia, hypercholesterolemia and atherosclerosis.
Patent CA-2201947-A1 (CA)
Title: Center-pivot mower-conditioner drive
Inventor: PARSONS STEPHEN KENNETH
IPC: A01D43/10
Filed: 1997-04-04
Abstract: A drive for a center-pivot mower-conditioner includes a power shaft supported within the center-pivot tongue and ending in an equal-angle drive section which intersects the vertical axis of the connection of the tongue with the center of a transverse beam forming part of a main frame of the mower-conditioner when the tongue is in a straight ahead position. A multiple v-belt drive transfers rotation of the tongue-carried drive-line to a substantially horizontal, fore-and-aft extending main header drive shaft located just leftwardly of the transverse beam of the main frame. The main header drive shaft is coupled to a first header drive box containing right-angle gearing for directing power to a downwardly extending through shaft extending through a second header gear box to a left-most cutting unit of a rotary cutterbar extending transversely across a header suspended for floating over undulating terrain during cutting operation. The second header gear box contains gearing for driving a multiple groove, v-belt drive pulley mounted to an output shaft projecting leftwardly from the second header gear box, the drive pulley forming part of a multiple v-belt drive coupled to a third header gear box containing intermeshed spur gears coupled for counter-rotating upper and lower conditioner rolls extending transversely behind the rotary cutterbar. In a second embodiment, the drive pulley is mounted to a shaft projecting rightwardly from the second header gear box and forming part of a multiple v-belt drive coupled for driving a rotary impeller conditioner extending transversely behind the rotary cutterbar. In a third embodiment, the second header gear box is eliminated and the rotary impeller conditioner is driven from the first gear box through a v-belt drive including a v-belt pulley mounted to a shaft projecting rightwardly from the first gear box.
Patent CA-2203160-A1 (CA)
Title: Chemiluminescent dialkyl-substituted 1,2-dioxetane compounds, methods of synthesis and use
Inventor: SCHAAP ARTHUR PAUL
IPC: C07F9/12
Filed: 1995-11-02
Abstract: A chemiluminescent assay method and compositions are described which use a dialkyl-substituted dioxetane which is deprotected to trigger a chemiluminescent reaction. Chemiluminescent 1,2-dioxetane compounds substituted on the dioxetane ring with two nonspirofused alkyl groups which can be triggered by a reagent to generate light are disclosed. Dialkyl-substituted dioxetanes are useful for the detection of triggering agents including enzymes. The enzyme may be present alone or linked to a member of a specific binding pair in an immunoassay, DNA probe assay or other assay where the enzyme is bound to a reporter molecule.
Patent CA-2205019-A1 (CA)
Title: Novel complexes and their compositions
Inventor: SZEJILI JOZSEF
IPC: A61K47/48
Filed: 1995-11-02
Abstract: This invention provides inclusion complexes of Taxol {¢2aR¢a.alpha.,4.beta.,4.alpha..beta.,6.beta.,9.alpha.(.alpha.R*, .beta.S*,) 11.alpha.,12.alpha., 12a.alpha., 12b.alpha.,!!-.beta.-(benzoylamino)-.alpha.-hydroxy-benzene-propanoic acid 6,12-b-bis(acetyloxy)-12-(benzoyloxy)-2a, 3, 4, 4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclo-deca-¢3,4!-benz-¢1,2-b!-oxeth-9-yl-ester!} or Taxotere (butoxycarbonyl-10-desacethyl-N-debenzoyl-Taxol) or Taxus extracts formed with a cyclodextrin derivative and a co-solvent. The molar ratio of Taxol, Taxotere or Taxus extract to cyclodextrin is 1:(10-65), preferably 1:(30-40). This invention relates to pharmaceutical composition with increased water-solubility and stability. This invention provides the process for the preparation of an inclusion complex of Taxol or Taxotere or a brevifolia extract of Taxus formed with a cyclodextrin derivatice and a co-solvent. This invention relates to pharmaceutical composition, containing as active ingredient an effective amount of an inclusion complex of Taxol or Taxotere or a Taxus brevifolia extract formed with a cyclodextrin derivative, preferably heptakis-2,6-0-dimethyl-.beta.-cyclodextrin, random methylated .beta.cyclodextrin, succinylmethyl-.beta.-cyclodextrin and a co-solvent together with usual filling, diluting and other auxiliaries generally used in the pharmaceutical industry. This invention provides pharmaceutical compositions comprising an inclusion complex of Taxol, Taxotere or Taxus extracts formed with a cyclodextrin or a cyclodextrin derivative as active ingredient, they further contain ethanol or an ethanol-water mixture. Accordingly composition of this invention may be administered for the treatment of human cancer.
Patent CA-2205902-A1 (CA)
Title: Thread coupling for drill string elements for percussive drilling
Inventor: STJERNSTROEM KARL-AXEL
IPC: E21B17/042
Filed: 1995-11-21
Abstract: Thread coupling for percussive drilling. The thread coupling comprises a first drill string element (2) with an internal thread (3) and a second drill string element (6) with a spigot (7) which is privided with an external thread (8) for cooperation with the internal thread (3). A contact surface (10) on the second drill string element (6) is lined with a wear resistant additional material which covers 50-100%, preferably 50-90%, of the contact surface. The wear resistant material is preferably a stellite which has been applied by means of plasma welding or which is a ring which has been soldered to the contact surface.
Patent CA-2210017-A1 (CA)
Title: Method for making fe-base soft magnetic alloy
Inventor: INOUE AKIHISA
IPC: H01F1/153
Filed: 1997-07-10
Abstract: A method for making a Fe-base soft magnetic alloy comprises steps of: injecting an alloy melt comprising Fe as a primary component; B and at least one metallic element M selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Mo and W onto a moving cooling unit to form an amorphous alloy ribbon; and annealing the amorphous alloy ribbon at an annealing temperature higher than the first crystallization temperature, in which a first crystal phase precipitates, and less than the second crystallization temperature, in which a second crystal phase precipitates, for an annealing time in a range of 0 minutes to 20 minutes to precipitate a fine grain phase having an average grain size of 30 nm or less, in which at least 50g of the grain phase comprises (bcc) Fe crystallites.