baber/WOPTO huggingface dataset:
Patent CA-2277111-A1 (CA)
Inventor: PEACOCK ANDREW J
IPC: C08F4/64
Filed: 1998-02-06
Abstract: L'invention concerne une composition élastomère thermoplastique renfermant un copolymère d'oléfine ramifié dérivé de monomères alcéniques, capables de polymérisation par insertion et présentant A) une température de transition vitreuse (T¿g?), telle que mesurée par DSC, inférieure ou égale à 10 ·C; B) une température de fusion (T¿m?) supérieure à 80 ·C; C) un allongement à la rupture supérieur ou égal à 300 %; D) une résistance à la traction supérieure ou égale à 1.500 psi (10.300 kPa); et E) une recouvrance élastique supérieure ou égale à 50 %. L'invention concerne également un procédé de fabrication de cette composition. Ce procédé consiste: A) à polymériser de l'éthylène ou du propylène et, éventuellement, un ou plusieurs monomères copolymérisables, par une réaction de polymérisation provoquée dans des conditions propices à la formation d'un copolymère présentant une insaturation de groupes terminaux supérieure à 40 %; B) à copolymériser le produit de A) avec de l'éthylène et un ou plusieurs comonomères, afin de préparer ledit copolymère d'oléfine ramifié. Les compositions de copolymères d'oléfine ramifiés de cette invention peuvent remplacer des compositions de copolymères blocs de styrène, et peuvent également servir dans d'autres applications d'élastomères thermoplastiques traditionnelles.
Patent CA-2277156-A1 (CA)
Inventor: SCHOWANEK DIEDERIK
IPC: C22B7/00
Filed: 1998-01-09
Abstract: L'invention concerne un procédé de séparation des métaux lourds contenus dans des substrats contaminés, au moyen de compositions comprenant [S,S]-EDDS.
Patent CA-2278230-A1 (CA)
Title: Low density fructan composition
Inventor: DE SOETE JOHAN
IPC: A23L29/244
Filed: 1998-01-30
Abstract: The present invention is related to a low density fructan composition having a density equal or less than 0.35 g/ml, to a composition which comprises intimately associated with the fructan one or more elements chosen among the group consisting of maltodextrins, polydextrose sucrose, polyols and high intensity sweeteners, and to said composition which exhibits instant dispersion properties in an aqueous medium.
Patent CA-2279878-A1 (CA)
Title: Collapsible workstation
Inventor: BIGGEL FRANZ
IPC: A47B21/00
Filed: 1998-01-29
Abstract: A collapsible workstation (10), a collapsible service unit, a system of workstations, and a system and method for providing work environments is disclosed. The workstation has a first side wall (40) and second side wall (60) and a third side wall (20) hingedly attached to the first and second wall. A first worksurface (120) is attached to one of the walls. A second worksurface (130) moves between a vertical and a horizontal orientation, extending beyond the space within the side walls. A transportable and collapsible service unit (300) comprises at least one device (365) shared by a plurality of workstation users. A system of workstations comprises workstations and a service unit having a device shared by a plurality of the workstation users. A system and method for providing work environments at remote locations includes maintaining an inventory of workstations adapted to be arranged with other workstations to define a work environment. An order specifies a remote location and the workstations requested. A transporting means transports the workstations.
Patent CA-2279976-A1 (CA)
Inventor: GOYAL GOPAL C
IPC: D21H21/22
Filed: 1998-02-13
Abstract: A method of producing a soft paper product includes, a) providing a pulp sheet at a moisture content of no greater than about 10 %, the pulp of said sheet not having been previously subjected to dry milling and not being predominately anfractuous; b) treating the pulp sheet at moisture content of no greater than about 10 % with liquid ammonia of a concentration of at least 90 % for a period of time less than or equal to about 60 seconds effective to increase degree of softness in the sheet of pulp from that existing prior to the treating, the pulp in the treated sheet remaining not predominately anfractuous after said treating; c) forming the treated pulp sheet into a papermaking slurry; and d) feeding the papermaking slurry into the headbox of a paper machine and producing a tissue paper product therefrom which has greater softness than a tissue paper product made from the same pulp which has not been so treated with said ammonia.
Patent CA-2281338-A1 (CA)
Title: Method and apparatus for wastewater treatment
Inventor: ENDO SHINICHI
IPC: C02F3/12
Filed: 1999-09-02
Abstract: Phosphorus in wastewater is removed by using an apparatus including a settling tank, an anaerobic tank, an aerobic tank, and a final settling tank. Nitrogen in wastewater is removed by using an apparatus including a settling tank, an anaerobic tank, a nitrification tank, and a final settling tank.
Patent CA-2281763-A1 (CA)
Title: Strontium bismuth niobate tantalate ferroelectric thin film
Inventor: MCMILLAN LARRY D
IPC: G11C11/56
Filed: 1998-02-04
Abstract: A thin film ferroelectric material (500) for use in integrated memory circuits (300, 400), such as FERAMS (300) and the like, contains strontium bismuth niobium tantalate having an empirical formula SrBi2+E(NbXTa2-X)O9+3E/2, wherein E is a number representing an excess amount of bismuth ranging from zero to 2; and X is a number representing an excess amount of niobium ranging from 0.01 to 0.9. A method of operating a ferroelectric memory cell (400) including providing such a material having the foregoing formula in a first polarization state, subjecting the thin film ferroelectric material in the first polarization state to a plurality of unidirectional voltage pulses; and thereafter switching the ferroelectric material to a second polarization state essentially free of imprint from the plurality of unidirectional voltage pulses.
Patent CA-2283295-A1 (CA)
Title: Concurrent in-vivo immunoconjugate binding to multiple epitopes of vascular permeability factor on tumor-associated blood vessels
Inventor: SENGER DONALD R
IPC: C12P21/08
Filed: 1998-02-26
Abstract: The present invention provides an immunological preparation comprising not less than two types of conjugate molecules in admixture for concurrent specific binding to a spatially exposed region of vascular permeability factor (VPF) bound in-vivo to a tumor-associated blood vessel. Each conjugate molecule type comprises at least a binding portion of an antibody specific for an epitope present within a spatially exposed region of bound VPF; and an effector moiety covalently bound to the specific binding portion. The immunological preparation has wide uses and applications including analytical studies, in-vivo diagnostic testing, and in-vivo therapeutic treatments.
Patent CA-2285811-A1 (CA)
Inventor: CARRIERE LEO J
IPC: F23G7/08
Filed: 1999-10-12
Abstract: A flare stack is provided for combusting waste gas. The flare stack includes a main stack tube connected at a bottom end to a source of the waste gas. The main stack tube includes a discharge at a top end of the stack tube for directing the flow of waste gas through the main stack tube to the discharge. A blower is provided for directing a flow of combustion air into the flow waste gas adjacent the discharge of the stack tube. A blower contrl senses the pressure of the waste gas adjacent the source for driving the blower at a speed which increases with an increase in the pressure of the waste gas. In this arrangement the supply of combustion air remains generally proportional to the flow of waste gas for ensuring complete combustion of the waste gas. A hood is mounted on the discharge of the main stack tube.
Patent CA-2287145-A1 (CA)
Inventor: VJESTICA JOVICA
IPC: H02K53/00
Filed: 1999-10-13
Abstract: JV-1 MOTOR is an entirely new source of power. It uses the attractive forces of permanent magnets when in proximity to iron metal to provide mechanical work (energy).
Patent CA-2287559-A1 (CA)
Title: An improved sleeping bag
Inventor: HOPE STEPHEN ROSS
IPC: A47G9/08
Filed: 1999-10-19
Abstract: This invention relates to improvements in or relating to sleeping bags. More particularly, it relates to a sleeping bag which includes a main body for substantially enclosing the trunk of a user, and at least one body portion attached or attachable to the main body, at least one body portion being adapted to separately enclose substantial portions of other body part(s) of the user. At least one body part portion(s) may be integrally formed with the main body or releasably attachable to same. The provision of the body part portions allows for greater mobility of a user, while still within the sleeping bag. Furthermore, the embodiment which has releasably attachable body part portion allows for a degree of flexibility in terms of use and accessories.
Patent CA-2288759-A1 (CA)
Inventor: RICKETTS ANTHONY PAUL
IPC: A61K31/40
Filed: 1998-05-01
Abstract: Treating or preventing inflammatory processes and diseases in dogs associated with the activity of inducible cyclo-oxygenase-2 (COX-2), while at the same time reducing or eliminating undesirable side effects associated with simultaneous inhibition of the activity of constitutive cyclo-oxygenase-1 (COX 1) by selectively inhibiting COX-2 activity with reference to COX-1 activity, wherein the selectivity ratio or COX-2 : COX-1 activity inhibition is at least 3 : 1 based on ex vivo inhibition levels measured in whole blood; the inhibitor is a member selected from the group of anti-inflammatory compounds consisting essentially of salicylic acid derivatives, p-aminophenol derivatives, indole and indene acetic acids, heteroaryl acetic acids, arylpropionic acids, anthranilic acids, enolic acids, and alkanones; the inhibitor in particular is comprised of (+)(S)-enantiomer of 6-chloro-.alpha.-methyl-9H-carbazole-2-acetic acid.
Patent CA-2289770-A1 (CA)
Title: Oil recovery method using an emulsion
Inventor: BRAGG JAMES R
IPC: E21B43/32
Filed: 1998-05-14
Abstract: The disclosed invention provides a method for recovering hydrocarbons from a subterranean formation by injecting an emulsion, comprising oil and water, into the formation. More specifically, the emulsion is stabilized using undissolved solid particles, which are preferably at least partially oleophilic. The solids-stabilized emulsion may be used either as a drive fluid for displacing hydrocarbons from the formation or to produce a barrier for diverting flow of fluids in the formation. Such solid particles may be either formation solid particles (i.e., indigenous to the formation) or nonformation solid particles (i.e., obtained from outside the formation). Nonformation solid particles may either be naturally occurring or synthetic. Some preferred solids include clays, quartz, feldspar, gypsum, coal dust, asphaltenes, and polymers. Carbon dioxide or another gas may be added to the emulsion to adjust the emulsion's viscosity to the desired level.
Patent CA-2290257-A1 (CA)
Title: Vacuum cleaner exhaust filter with ion generation stage
Inventor: HOWIE MARK S
IPC: B01D46/50
Filed: 1999-11-22
Abstract: A vacuum cleaner exhaust filter assembly includes a main HEPA exhaust filter, and an ion generation stage to add ions to the air. The ion generation stage preferably is a polypropylene mesh which generates ions through static electric interaction with the moving air as the result of friction. The exhaust filter assembly preferably also includes a pre-filter impregnated with carbon, preferably in the form of activated charcoal, to absorb odors from the exhaust air. The filter components, arranged in the preferred order, are the carbon pre-filter, the main HEPA exhaust filter, and the ion generation mesh.
Patent CA-2292219-A1 (CA)
Title: Adhesive dispensing system
Inventor: GILMORE DARREN M
IPC: B05B7/24
Filed: 1999-12-15
Abstract: System and method for dispensing and applying an adhesive to a work piece are provided herein. One embodiment of such system comprises an apparatus for dispensing a liquid, which includes dispensing means for dispensing liquid, and supply means for supplying the liquid to be dispensed. The supply means includes a hermetically-sealed, flexible bladder in which the liquid is disposed as well as a container for containing the flexible bladder. A hermetically-sealed coupling extends from the flexible bladder through the container and provides a hermetically--sealed conduit through which the liquid flows from the bladder. Elevating means are provided for elevating the supply means above the dispensing means. Supporting means are provided for supporting the hermetically-sealed coupling at the elevating means. First conveying means having a first flow path are connected to the supply means and extend to the dispensing means. Second conveying means having a second flow path which is narrower than the first flow path are connected thereto for conveying the flow of the liquid from the first flow path to the dispensing means. Air supply means are connected to the dispensing means. Finally, first control are means operatively associated with the dispensing means to control the dispensing of both the liquid and the air supply in a predetermined pattern.
Patent CA-2296065-A1 (CA)
Title: Dent artificielle
Inventor: UJI HIDEYO
IPC: A61C13/08
Filed: 1998-07-06
Abstract: Prothèse dentaire fixe ou dent artificielle avec laquelle l'occlusion est plus facile à ajuster qu'avec les prothèses ou dents classiques. La dent artificielle comporte une couche tampon de pression (82), constituée d'un matériau tampon souple et disposée entre sa partie surface occlusale (80) et son collet (81). La couche tampon de pression (82) ajuste la force de l'occlusion en réponse à une pression occlusale variable, ce qui permet d'ajuster de manière souple les mouvements de la surface occlusale (80), qu'ils soient verticaux, horizontaux ou obliques, pendant que la personne porteuse de ladite dent est au repos. Cette dent artificielle permet également d'ajuster l'angle cuspidien de la partie surface occlusale (80).
Patent CA-2296197-A1 (CA)
Title: Snow producing system in which meltwater is reused
Inventor: KATAYAMA MINORU
IPC: F25C3/04
Filed: 2000-01-17
Abstract: A system comprises a facility for which snow is used, a snow producing unit for producing snow from water, and a collection section for collecting meltwater and supplies the collected meltwater to the snow producing unit as water used for producing snow.      According to such a system, since snow is again produced from meltwater and used, artificial snow can be supplied to a facility for which artificial snow is used without using a large amount of water.
Patent CA-2297096-A1 (CA)
Inventor: SPECIALE CARMELA
IPC: C07D231/54
Filed: 1998-07-02
Abstract: L'invention concerne un composé qui est un dérivé de pyrazole condensé présentant la formule (I). Dans cette dernière, W représente -CONH-, -SO¿2?- ou -CO-; X représente -O- ou -NR¿4?- où R¿4? représente hydrogène, alkyle C¿1?-C¿6?, benzyle, pyridyle, tétrahydropyranyle ou un cycle phénylique qui est substitué ou non par un ou deux substituants similaires ou différents qui sont choisis indépendamment parmi halogène, trifluorométhyle, alkyle C¿1?-C¿6?, alcoxy C¿1?-C¿6?, nitro, amino, hydroxy, formylamino, alcanoylamino C¿2?-C¿6? et carbonyle-alcoxy C¿1?-C¿6?. Chacun de R, R¿1? et R¿2?, qui sont identiques ou différents, représente indépendamment hydrogène, halogène, hydroxy, trifluorométhyle, nitro, amino, phényle, benzyle, alkyle C¿1?-C¿6?, alcoxy C¿1?-C¿6?, alcanoylamino C¿2?-C¿6?, formylamino ou carbonyle-alcoxy C¿1?-C¿6?; et R¿3? représente hydrogène; ou R¿2? et R¿3? pris ensemble forment une chaîne alkylène C¿2?-C¿6?, -CH=CH-CH= ou -O-(CH¿2?)¿n? dans laquelle n représente 1, 2 ou 3; m représente zéro ou un nombre entier de 1 à 6; et Q représente alkyle C¿1?-C¿14?, un cycle phénylique ou une chaîne hétéromono-cyclique pentatomique non saturée, contenant deux ou trois hétéroatomes qui sont identiques ou différents et sont choisis indépendamment parmi de l'oxygène, du soufre et de l'azote, et où le cycle phénylique et la chaîne hétéromonocyclique ne sont pas substituées ou sont substituées par un ou deux substituants qui sont similaires ou différents et sont choisis indépendamment parmi halogène, hydroxy, trifluorométhyle, nitro, amino, phényle, benzyle, alkyle C¿1?-C¿6?, alcoxy C¿1?-C¿6?, alkanoylamino C¿2?-C¿6?, formylamino et carbonyle-alcoxy C¿1?-C¿6?. L'invention concerne également un sel pharmaceutiquement acceptable de ce composé. Ce dernier présente une grande utilité dans la fabrication d'un médicament prévu pour être utilisé comme inhibiteur de la kynurénine-3-hydroxylase.
Patent CA-2297170-A1 (CA)
Inventor: KOTT KEVIN LEE
IPC: C11D1/37
Filed: 1998-07-20
Abstract: A surfactant composition comprising:   alkylarylsulfonate surfactant system comprising at least two isomers of the alkylarylsulfonate surfactant of formula (I) wherein L is an acyclic aliphatic hydrocarbyl of from 6 to 18 carbon atoms in total; M is a cation or cation mixture and q is the valence thereof; a and b are numbers selected such that said alkylarylsulfonate surfactant is electroneutral;      R', R" and R"' are independently selected from H and C1 to C3 alkyl; both of R' and R" are nonterminal attached to L and at least one of R' and R" is Ct to C3 alkyl;  and A is aryl; wherein said alkylarylsulfonate surfactant system comprises two or more isomers with respect to positions of attachment of R', R" and A to L; in at least about 40 ~o of said composition, A is attached to L in the position which is selected from positions alpha and beta- to either of the two terminal carbon atoms of L; and wherein further said alkylarylsulfonate surfactant system has at least one of the following properties: said alkylarylsulfonate surfactant system has a ratio of nonquaternary to quaternary carbon atoms in L  of at least about 5: I by weight, when said quaternary carbon atoms are present; or percentage biodegradation, as measured by the modified SCAS test, that exceeds tetrapropylene benzene sulfonate.
Patent CA-2297397-A1 (CA)
Inventor: NUSSBAUMER MAX
IPC: G03B27/54
Filed: 2000-01-28
Abstract: Method for the optimization of a copying light profile during copying of photographic originals in a photographic copier, whereby the copier includes at least the following: a light source for producing copying light for the copying process, a number of optical, light conducting means for guiding the copying light along a light path from the light source through the photographic original to a copier material as well as for the shining through of the photographic original and for the projection of the shone through original onto the light sensitive copier material, and a local transmission modulator through which the copying light is guided by way of the light conductive means, before it exposes the copier material, the transmission of which is controllable locally for the production of a transmission profile and the transmission profile of which is preselected for the copying process in dependence of the photographic original to be copied, whereby the method includes the following steps: a) providing either a transparent element with a known transmission profile in the light path for being shone through for measuring a profile of the copying light, or no transparent element, whereby no photographic original to be copied and of unknown transmission profile is found in the light path and furthermore a transmission profile specific for the local transmission modulator is provided, b) the copying light resulting because of step a) is measured broken down by area, the profile of the copying light is measured and compared with a desired copying light profile, c) for the copying of photographic originals onto copier material, based on the comparison in step b) the transmission profile respectively preselected for the respective copying process is optimized.
Patent CA-2297666-A1 (CA)
Title: Processing method using an advanced waveform for unlocked coherent and wideband bistatic radar operation
Inventor: KRIKORIAN KAPRIEL V
IPC: G01S13/00
Filed: 1999-05-21
Abstract: A bistatic coherent unlocked radar system (10) and processing method (30) using an advanced waveform (20) that permits bistatic unlocked coherent operation of an unlocked radar transmitter (11) and receiver (12). The waveform (20) implements intrapulse fine range resolution, pulse to pulse coherency and burst to burst frequency agility to provide for enhanced target detection and robust operation in electronic countermeasure environments. A continuous sequence of pulses at different frequencies is transmitted (31) that may contain an acquisition frequency that is revisited more times than the other frequencies.  Energy reflected from a target is processed to detect (34) energy at the acquisition frequency, for example, over a plurality of range bins and predetermined pulse repetition intervals. A range pattern is generated (35) if the detected energy is above a predetermined threshold.  The energy is centroided (36) to indicate the relative angle to the target. The transmitted frequencies contained in the pattern of energy are identified (37). The receiver then frequency hops (38) with the transmitter. The energy is coherently processed using Fourier transforms to determine (39) the center in the pattern, which pattern is indicative of the direction to the target.
Patent CA-2298545-A1 (CA)
Title: Process for producing metal-free querbet alcohols
Inventor: SCHERF ERICH
IPC: C07C29/80
Filed: 1998-08-07
Abstract: The invention relates to a method for producing metal-free and soap-free Guerbet alcohols, whereby primary and/or secondary alcohols containing 2 to 30 carbon atoms are condensed in the presence of alkaline and/or heavy metal catalysts at a high temperature, while water is removed from the reaction, and whereby the product is then directly separated from the reaction by distillation, with no additional purification process.
Patent CA-2299835-A1 (CA)
Title: Formation fluid sampling apparatus and method
Inventor: BOLZE VICTOR M
IPC: E21B49/08
Filed: 2000-03-01
Abstract: A sample module is provided for use in a downhole tool to obtain fluid from a subsurface formation penetrated by a wellbore. The sample module includes a sample chamber carried by the module for collecting a sample of formation fluid obtained from the formation via the downhole tool, and a validation chamber carried by the module for collecting a substantially smaller sample of formation fluid than the sample chamber. The validation chamber is removable from the sample module at the surface without disturbing the sample chamber. In another aspect, the present invention provides an improved sample chamber for use in a downhole tool to obtain fluid from a subsurface formation penetrated by a wellbore. An improved sample chamber is also provided that includes a substantially cylindrical body capable of safely withstanding heating at the surface, following collection of a formation fluid sample via the downhole tool and withdrawal of the sample chamber from the wellbore, to temperatures necessary to promote recombination of the sample components within the chambers. Additionally, the body is sufficiently equipped so as to be certified for transportation. At least one floating piston is slidably positioned within the body so as to define a fluid collection cavity and a pressurization cavity, whereby the pressurization cavity may be charged to control the pressure of the sample collected in the collection cavity. A second such piston may be provided to create a third cavity wherein a buffer fluid may be utilized during sample collection. Metal-to-metal seals act as the final shut-off seals for the sample collected in the collection cavity of the body. A method related to the use of the sample module and sample chamber described above is also provided.