baber/WOPTO huggingface dataset:
Patent CA-2240007-A1 (CA)
Title: Water enhanced sulfate fining process - a method to reduce toxic emissions from glass melting furnaces
Inventor: BEERKENS RUDOLF GERARDUS CATHE
IPC: C03B5/235
Filed: 1998-06-08
Abstract: A method of glass formation which provides for reduced levels of toxic emissions is disclosed wherein conventional batch fining agents such as Na2SO4, As2O5 or Sb2Os are used in lesser amounts in combination with dissolved water in the glass making process.  Sources of water in the process include alkali-metal hydroxides, steam bubbled into the molten glass, submerged combustion of the glassmelt with H2 and O2, the use of hydrocarbon based combustion.  Glass quality is not compromised.
Patent CA-2241424-A1 (CA)
Inventor: KOSMATKA ANNA LISA
IPC: A61K48/00
Filed: 1998-08-20
Abstract: The invention provides ftsY polypeptides and polynucleotides encoding ftsY polypeptides and methods for producing such polypeptides by recombinant techniques. Also provided are methods for utilizing ftsY polypeptides to screen for antibacterial compounds.
Patent CA-2242470-A1 (CA)
Inventor: SAMUELS SAM LOUIS
IPC: D01F6/92
Filed: 1997-01-09
Abstract: A plexifilamentary strand of film-fibrils having a tensile strength of at least 1 gpd and a surface area, measured by the BET nitrogen adsorption method, greater than 2 m2/g. The film-fibrils are comprised of at least 20 % by weight of polyethylene and polypropylene, wherein the polyethylene and polypropylene each comprise at least 5 % by weight of each of the filmfibrils. A process for the production of such a strand is also provided that includes the steps of forming a spin solution of polyethylene and polypropylene polymers in a solvent and spinning the spin solution at a pressure that is greater than the autogenous pressure of the spin solution into a region of substantially lower pressure and at a temperature at least 50 ~C higher than the atmospheric boiling point of the solvent.
Patent CA-2244698-A1 (CA)
Title: Derivatives of camptothecin for use in treating cancer
Inventor: ZHISONG CAO
IPC: A61K31/44
Filed: 1997-01-29
Abstract: Derivatives of camptothecin are disclosed and are represented by general formula (I), wherein when R2 is H, R1 is a C2-C4 alkyl group, a C6-C15 alkyl group, a C3-C8 cycloalkyl group, a C2-C15 alkenyl group or a C2-C15 epoxy group; and when R2 is a nitro group, R1 is a C1-C15 alkyl group, a C2-C15 alkenyl group, a C3-C8 cycloalkyl group, or an epoxy group. Processes for making these derivatives and for using them in cancer treatment are also disclosed.
Patent CA-2244926-A1 (CA)
Title: Method for improving shift quality during gear shifting and gear shifting control
Inventor: ENGLISCH ANDREAS
IPC: F16H45/00
Filed: 1997-11-28
Abstract: The invention relates to a method for improving the shift quality during gear shifting in a gearbox unit (1), containing at least one gear branch for power transfer via a hydrodynamic clutch (2) which can be coupled in series with a mechanical gearing part containing means for realizing at least two speeds. The invention is characterized in that: during power transfer via the hydrody-namic clutch during a gear-shift operation between two mechanical speeds, the fill fac-tor of the hydrodynamic clutch (2) is so altered that a variable which at least indirectly characterizes the rotational speed of the pri-mary bucket wheel (4) of the hydrodynamic clutch (2) is held substantially constant over a certain range of the gear-shift operation.
Patent CA-2249085-A1 (CA)
Title: Xdsl splitter assembly for main distribution frame
Inventor: GUENTHER ANDREAS
IPC: H04Q1/10
Filed: 1998-09-29
Abstract: A splitter assembly is provided that comprises a terminal block for mounting to a main distribution frame and a splitter circuit for combining/splitting POTS signals and xDSL signals onto/from a single wire pair. The terminal block is pivotally mounted to a housing and the sputter circuit is on a card that is located in the housing. The terminal block may be mounted to the same housing that contains the splitter card. The POTS line contacts, xDSL line contacts and combined line contacts of the splitter circuit are connected to respective pairs of terminals in the terminal block.
Patent CA-2251860-A1 (CA)
Title: Methods for modulating the length of telomeres by modulating the level or activity of the protease involved in the conversion of hnrnpa1 into up1
Inventor: WELLINGER RAYMUND
IPC: A61K31/70
Filed: 1998-10-27
Abstract: The present invention relates to the length of telomeres and to their effect on proliferation and senescence in cells.     More precisely, it concerns the ability of hnRNP A1 and its shortened derivative UP1 to alter the length of telomeres in cells. The present invention relates more particularly to methods that modulate the proteolytic conversion of A1 into UP1 as means of decreasing or increasing the proliferative capacity of cells and to precipitate or delay the onset of senescence.
Patent CA-2252784-A1 (CA)
Title: Photoinitiators
Inventor: DAVIDSON ROBERT STEPHEN
IPC: C07C323/22
Filed: 1997-06-23
Abstract: A compound for use as a photoinitiator comprises a photoreactive portion and a pendent group, said photoreactive portion including an aromatic moiety and said pendent group incorporating at least one optionally-substituted poly(alkylene glycol) moiety. Preferred photoreactive portions include optionally-substituted benzophenone, thioxanthone and anthraquinone compounds substituted by a polyethylene glycol or polypropylene glycol moiety of average molecular weight in the range 150 to 900. Compounds of the type described are found to have low migration from cured films.
Patent CA-2254258-A1 (CA)
Title: Remote control of cpe-based service logic
Inventor: BUCKLER BRIAN LAWRENCE
IPC: H04M3/42
Filed: 1998-11-18
Abstract: Telephone network service logic relating to calls over the telephone network to a customer terminal, uses both terminal functions and network functions. The terminal has a service logic script for execution at the terminal to control the terminal functions. To control the execution of this script remotely from the network, a script controlled data message is determined and sent over the telephone network to the terminal. This may use the GR30 data message format, with an additional call qualifier specific to the terminal service logic script, and the type of control being requested, e.g., start execution or terminate the script. This enables the reliability of the interaction between the service logic at the network side, and the service logic script at the terminal to be improved. This enables announcement type services to be provided in which a loudspeaker on the terminal can be remotely controlled to make verbal announcements without requiring customer action to lift a receiver.
Patent CA-2254662-A1 (CA)
Title: Disposable training pants
Inventor: SHIMOE NARIAKI
IPC: A61F13/496
Filed: 1998-11-26
Abstract: The training pants which have a front region, a rear region and a crotch region therebetween include a liquid-permeable topsheet, a liquid-impermeable backsheet and an absorbent core disposed therebetween.  The topsheet has a liquid-permeability lower in a transversely middle zone of the crotch region than in transversely opposite side zones, whereby the pants can give to a wearer a feeling of wetness even if the pants have slipped down.
Patent CA-2254682-A1 (CA)
Title: Method of treating eye infections with azithromycin
Inventor: AHMED IMRAN
IPC: A61P27/02
Filed: 1998-11-30
Abstract: The invention features methods and compositions for treating ocular infections. The method comprises topically administering to an eye of an animal in need of such treatment an ocular infection-treating amount of azithromycin.
Patent CA-2254993-A1 (CA)
Title: Anti-viral compounds
Inventor: MILLER SHAWN CHRISTOPHER
IPC: A61K31/4184
Filed: 1997-06-05
Abstract: The present application provides a series of benzimidazole compounds which inhibit the growth of picornaviruses, such as rhinoviruses, enteroviruses, polioviruses, coxsackieviruses of the A and B groups, echo virus and Mengo virus and flaviviruses such as hepatitis C and bovine diarrheal virus.
Patent CA-2255296-A1 (CA)
Title: Image encoding/decoding by eliminating color components in pixels
Inventor: KOBAYASHI NAOKI
IPC: H04N11/04
Filed: 1998-12-08
Abstract: During an encoding operation, one of the R, G, B components of a pixel in the image are eliminated. In a first pixel, the B component is eliminated, and then in a second pixel which is to the right of the first pixel, the R component is eliminated. Further, in a third pixel to the right of the second pixel, the G component is eliminated. In the same manner, R, G, B components are thereafter eliminated in a three-pixel cycle. During a decoding operation, an estimated value of a color component that was eliminated in the pixel is determined on the basis of the color components of adjacent pixels. A correction value is then computed based on the color components of the adjacent pixels. As a result, the estimated value of the eliminated color component is adjusted using the computed correction value to produce a good quality image.
Patent CA-2255571-A1 (CA)
Inventor: BIRCHEM THIERRY
IPC: C01F17/30
Filed: 1997-05-09
Abstract: La présente invention concerne une composition à base d'oxyde de cérium et d'oxyde de zirconium et, éventuellement d'un oxyde d'yttrium, de scandium ou de terre rare, dans une proportion atomique cérium/zirconium d'au moins 1 qui est caractérisée en ce qu'elle présente une surface spécifique après calcination 6 heures à 900 ~C d'au moins 35m2/g et une capacité de stockage de l'oxygène à 400 ~C d'au moins 1,5ml d'O2/g. Cette composition est préparée par mélange en milieu liquide d'un composé du cérium, d'un composé du zirconium et, le cas échéant, un composé d'yttrium, de scandium ou de terre rare; chauffage et calcination du précipité obtenu. On prépare le mélange précité en utilisant une solution de zirconium qui est telle que la quantité de base nécessaire pour atteindre le point équivalent lors d'un dosage acide-base de cette solution vérifie la condition rapport molaire OH-/Zr 1,65. La composition de l'invention peut être utilisée dans la fabrication de catalyseurs pour post combustion automobile.
Patent CA-2256072-A1 (CA)
Inventor: CHODZKO JOHN
IPC: A61C15/04
Filed: 1998-12-14
Abstract: A dental floss comprising a multifilament yarn having at least one coating applied thereon. The yarn comprising the floss is substantially untwisted and comprises entanglement nodes having a frequency of between about 0.5 and about 3.5 inches. The yarn has a basis weight between about 500 and about 1200 denier. The coating applied to the yarn comprises a water-insoluble binder. Optionally, the floss may be coated with a second coating material comprising a water soluble substance such as polyethylene glycol for delivery of additives or additional flavors. With little or no twist and an optimum degree of air-entanglement, the yarn is held together loosely enough to allow a significant amount of coating material to be impregnated between the filaments but tight enough to provide shred and fray resistance and still have supple feel.
Patent CA-2256440-A1 (CA)
Inventor: JOHNSON CHRISTOPHER M
IPC: B60B5/02
Filed: 1998-03-20
Abstract: A molded bearing assembly for a molded wheel includes a synthetic resin outer bearing race element embedded in the hub of the molded wheel and having a cylindrical inner sliding, journal type bearing surface. An inner bearing assembly includes two molded synthetic resin bearing halves having continuous cylindrical outer bearing surfaces disposed within the outer bearing race in sliding engagement with the inner bearing surface of the outer race. The bearing halves of the inner bearing assembly abut each other at their inner ends and may include interlocking structural features at their inner ends that enable securing of thebearing halves together at their inner ends while presenting a continuous outer cylindrical bearing sliding surface that cooperates with the adjacent surface of the outer race. A wheel axle extends through the inner bearing assembly and supports the wheel and bearing assembly for rotation relative to a wheel support. The molded wheel and bearing assembly is adapted for use with a shopping cart.
Patent CA-2256868-A1 (CA)
Inventor: GATER BRAHIM
IPC: A43B7/06
Filed: 1998-12-21
Abstract: Première de propreté extra - plate ou semelle munie d'un dispositif d'aération et de rafraîchissement des pieds avec possibilité d'introduction d'une pastille désodorisante.      La présente invention concerne une première de propreté extra plate ou semelle munie d'un système d'aération permanente servant à régénérer l'air à l'intérieur de la chaussure pendant la marche.      Nous apportons trois options supplémentaires A. Intégration du présent système d'aération dans la chambre d'accumulation.   B. Introduction d'une pastille désodorisante dans la chambre d'accumulation.      C. Aspiration de l'air par des conduits d'aspiration différents.    La première de propreté est composée d'une sous première supérieure (14) et d'une sous première inférieure (15), qui adhèrent totalement, d'un support élastique (10) positionné au niveau du creux du pied et d'un montant (23) qui représente un conduit d'aspiration d'air (1).      La partie A fait fonction d'une pompe d'aspiration par la chambre d'accumulation (2) sous l'effet du mouvement du ressort de rappel (5) implanté  dans son assise (14) et portant un tampon cartonné (6) lui servant de couvercle de protection. La partie B fait fonction d'une zone d'aération par sa poche de ventilation (7) qui reçoit l'air par les creusets d'admission (9) et le dispositif de transfert d'air (4). L'air passe par des canaux (11) qui débouchent sur des orifices d'évacuation d'air (12).      Les deux parties sont séparées d'une zone hermétique (22) Le dispositif des transfert d'air à sens irréversible (4) est totalement hermétique, ses parois (16) sont en alliage léger et résistant à l'écrasement.  La bille de blocage d'air (19) est en caoutchouc, les rebords de fixation (17) sont en métal.
Patent CA-2257056-A1 (CA)
Inventor: HODGINS J KEVIN
IPC: B66C3/00
Filed: 1998-12-22
Abstract: A pivot connection for a grapple having a link member with a journal-bore at one end, a yoke member with spaced-apart parallel arms receiving the one end of the link member therebetween bores in the arms, and a pivot pin mounted through the bores in the arms in the yoke member and the journal-bore in the link member to pivotally connect the two members together. Tapered, counter-bored brake surfaces are provided in each side of the link member concentric with the journal-bore. Tapered brake cores are slidably mounted on the pivot pin and located in the counter-bores facing each other, each core located between an arm of the yoke and the link member, in such a way that the break cores are not load bearing structures in the pivot connection. A mechanical connection applies pressure to one of the cores to force both cores against the brake surfaces to brake the link member relative to the yoke member.
Patent CA-2257826-A1 (CA)
Title: Helicobacter pylori adhesin binding group antigen
Inventor: ARNQVIST ANNA
IPC: C12P21/08
Filed: 1997-06-10
Abstract: A novel Helicobacter pylori blood group antigen binding (BAB) adhesin protein was isolated and purified, whereby said protein or fractions thereof bind specifically to fucosylated blood group antigens. The protein sequence of said adhesin is disclosed in this application. Simultaneously the DNA sequences for two genes, babA and babB, producing highly similar proteins, are disclosed. Said adhesin and/or DNA is useful for diagnose and therapy and/or prophylaxis directed against H. pylori induced infections, e.g. gastritis and acid peptic disease, i.e. active vaccination. A new immunoglobulin composition, which exhibits specific activity to a Lewisb antigen binding Helicobacter pylori adhesin, or preferably, monoclonal and/or polyclonal antibodies to said adhesin offer a new and more efficient method of treatment and/or prevention of gastrointestinal diseases, caused by Helicobacter pylori or other Helicobacter species, i.e. passive vaccination.
Patent CA-2258405-A1 (CA)
Title: Tree delimbing device
Inventor: HAMBY THOMAS E JR
IPC: A01G23/095
Filed: 1999-01-13
Abstract: A cutter head assembly for delimbing trees includes two pairs of opposing curved limb-stripping levers including curved cutting blades.  The limb-stripping levers of each pair are pivotably movable toward and away from each other for engaging and encircling the trunk of a tree.  One pair of levers is positioned and configured for engaging and removing limbs from opposite side and lower portions of a tree trunk being drawn longitudinally through the cutter head assembly.  The other pair of levers is positioned and configured for engaging and removing limbs from opposite side and upper portions of a tree trunk.  The limb-stripping levers include angled deflecting members attached to the cutting blades for deflecting cut pieces of a tree outwardly away from the cutting blades.
Patent CA-2259613-A1 (CA)
Title: Connecting means for footwear
Inventor: JOSEPH MARK C
IPC: A43B5/16
Filed: 1997-06-27
Abstract: A boot having a shoe shaped shell member and a cuff member having a section overlapping the shell member. The cuff and shell members are pivotally connected together for pivoting movement in response to pivoting of the individual's leg relative to the individual's foot. An elastomeric material is disposed between said shell member to pivotally connect the two members together.
Patent CA-2261832-A1 (CA)
Inventor: PERRONA PHILIPPE
IPC: C07D201/08
Filed: 1997-07-31
Abstract: La présente invention concerne la purification de lactames par extraction liquide-liquide et/ou traitement par résine échangeuse d'ions. Elle consiste en un procédé de purification d'un lactame provenant de l'hydrolyse cyclisante en phase vapeur d'un aminonitrile aliphatique, caractérisé en ce que, après avoir éliminé la majeure partie de l'ammoniac qu'il comporte, on soumet ledit lactame à une extraction liquide-liquide à l'aide d'un solvant comprenant un solvant à caractère acide et/ou on met en contact ledit lactame avec une résine échangeuse de cations. Il est préférable pour la plupart des applications dudit lactame de faire précéder ou de compléter l'étape d'extraction liquide-liquide et/ou l'étape de passage sur résine acide par une étape d'hydrogénation des composés de la solution de lactame, comportant des insaturations. Le procédé de purification peut également comprendre une étape d'oxydation complétant ou remplaçant l'étape d'hydrogénation. Enfin, le procédé est préférentiellement complété par une distillation en présence d'une base.
Patent CA-2264894-A1 (CA)
Title: Alpha-olefin/vinylidene aromatic monomer and/or hindered aliphatic or cycloaliphatic vinylidene monomer interpolymers
Inventor: TIMMERS FRANCIS J
IPC: C08F212/04
Filed: 1997-09-04
Abstract: The present invention relates to .alpha.-olefin/vinyl aromatic monomer interpolymers with characteristic signals in their carbon 13 NMR spectra. In particular, ethylene/styrene copolymers of the present invention have peaks in the carbon 13 NMR spectra which appear in the chemical shift range 43.70 44.25 ppm, preferably from 43.75 - 44.25 ppm and 38.0 - 38.5 ppm, said peaks being at least three times the peak to peak noise. The interpolymers are prepared by polymerizing the appropriate mixture of monomers in the presence of a catalyst such as racemic-(dimethylsilanediyl(2-methyl-4-phenylindenyl)) zirconium dichloride. The polymers of the present invention possess increased modulus as determined from both tensile stress/strain and dynamic mechanical data at comparable vinyl aromatic monomer levels.
Patent CA-2267063-A1 (CA)
Title: A method and compositions for treatment of insulin-dependant diabetes mellitus
Inventor: HARRISON LEONARD CHARLES
IPC: A61K39/00
Filed: 1997-10-01
Abstract: The present invention relates generally to a method of prophylaxis and treatment of autoimmune disease conditions and agents useful for same. More particularly, the present invention contemplates mucosa-mediated tolerance to protect against or ameliorate the symptoms associated with autoimmune pathology. Even more particularly, the present invention provides a method for preventing clinical diabetes or preventing or reducing or ameliorating the effects of clinical diabetes by the aerosol administration of diabetes-associated autoantigens to mucosal surfaces.
Patent CA-2268357-A1 (CA)
Title: High-speed driving method of a liquid crystal
Inventor: OKITA MASAYA
IPC: G09G3/34
Filed: 1999-04-08
Abstract: In order to drive a liquid crystal at a speed equivalent to or higher than CRT displays, in a liquid crystal display device made of a liquid crystal and two electrodes sandwiching the liquid crystal to display images by applying a voltage based on gradation data between the two electrodes, a predetermined voltage independent from the gradation data is applied across the two electrodes for a predetermined length of time in predetermined intervals.
Patent CA-2268795-A1 (CA)
Inventor: MOIREAU PATRICK
IPC: D02G3/18
Filed: 1998-08-07
Abstract: The invention concerns a method for making a continuous yarn wherein a multiplicity of continuous filaments (12) are formed by mechanical drawing from a multiplicity of threads of molten plastics material(s) flowing from the orifices of at least one device (13) which consists in depositing at the surface of at least part of the filaments (12) a mixture in liquid state, before gathering them into at least one yarn, said method comprising the following successive steps: soaking continuously a mat of fibres mechanically held together (10) with the mixture in liquid state; taking continuously at least part of said mixture by means of a rotating roller (11) in contact with said mat (10); and depositing on the filaments (12) being drawn said mixture from a sizing roller (11). The invention also concerns a yarn obtained by said method.
Patent CA-2269476-A1 (CA)
Inventor: WARRENDER NEIL ANDREW
IPC: C10G29/20
Filed: 1997-11-04
Abstract: Scavenger compositions and methods for reducing the level of sulfide impurities present in a fluid stream. The method includes contacting the stream with a composition comprising the reaction product of an aldehyde and a aminoethylpiperazine (AEP) and a second aliphatic amine NHR1R2, wherein R1 or R2 can be hydrogen and wherein R1 and R2 contain a total of from 1 to about 6 crbons. It is possible to obtain a biphasic liquid spent scavenger. One amine-containing phase can be regenerated by addition of aldehyde for reuse as scavenger. Another sulfided product-containing phase can be used as a corrosion inhibitor. A preferred aldehyde is formaldehyde and a preferred second aliphatic amine is n-butyl amine.
Patent CA-2273418-A1 (CA)
Title: Tail-biting turbo-code encoder and associated decoder
Inventor: HUNT ANDREW
IPC: H03M13/03
Filed: 1999-06-01
Abstract: A method of creating tail-biting recursive systematic convolutional and turbo codes, and the associated encoders and decoders, are described herein.  According to the method, symbols from the set of data to be transmitted are used to preset the starting state of the encoder, and are replaced in a systematic set by an equivalent number of tail--biting symbols that force the ending state of the encoder to be the same as the starting state. The presetting of the starting state allows for simpler calculations in computing the tail-biting codewords, and allows a message to be transmitted with a reduced number of symbols. The reduction in the number of symbols used for overhead in this invention provides an increase in the data transmission rate.