baber/WOPTO huggingface dataset:
Patent CA-2280901-C (CA)
Inventor: BURNS GARY T
IPC: C01B33/16
Filed: 1998-02-18
Granted: 2007-04-03
Abstract: La présente invention concerne des gels de silice hydrophobe présentant une aire spécifique réduite, ainsi qu'un procédé de préparation de ces gels dans des conditions neutres. Ce procédé comprend deux étapes; la première étape consiste à rectifier le pH d'un mélange renfermant un hydrosol de silice et de la silice colloïdale au moyen d'une base dont le pH se situe entre 3 et 6, dans le but de favoriser la formation d'un hydrogel de silice renfermant de la silice colloïdale. La seconde étape consiste à mettre en contact cet hydrogel de silice avec un composé organosilicique, en présence d'une quantité catalytique d'un acide fort, afin de rendre hydrophobe ledit hydrogel de silice et ainsi former un gel de silice hydrophobe, qui présente à l'état sec une aire spécifique variant entre 100 m<2>/g et 450 m<2>/g. Dans un procédé préféré, ce gel de silice hydrophobe est mis en contact avec une quantité suffisante d'un solvant organique non miscible dans l'eau afin de convertir l'hydrogel de silice hydrophobe en un organogel de silice hydrophobe. Un composé hydrosoluble de cérium ou de fer peut être ajouté au cours de la seconde étape, afin d'améliorer la stabilité thermique du gel de silice hydrophobe.
Patent CA-2292867-C (CA)
Inventor: TESSIER LYNN P
IPC: E21B17/10
Filed: 1999-12-22
Granted: 2008-09-23
Abstract: Apparatus is provided for stabilizing a rotary or progressive cavity pump suspended from production tubing. The stabilizing apparatus is connected to the pump and comprises a tubular body having a contiguous wall, a longitudinal bore contiguous with the production tubing and a sliding dog disposed in a longitudinal pocket formed in the exterior of the tubular body. One or more longitudinal piston bores are formed within the cylindrical wall and each contains a longitudinally movable piston. Each piston extends into the pocket and pivotally connects to the sliding dog. The piston bore is connected to the longitudinal bore. In operation, fluid pressure drives the pistons, actuating the sliding dog and driving the dog radially outwards to brace against the casing, the radial force produced being proportional with the fluid pressure. Under de-pressurized conditions, upward drag on the sliding dog compresses the pistons, retracting the dog, and permits removal of the tool and pump.
Patent CA-2295841-C (CA)
Inventor: LE GOFF PHILIPPE
IPC: H01M4/02
Filed: 1998-02-05
Granted: 2007-09-25
Abstract: The invention concerns a porous composite product in particular with high specific surface area, characterised in that it is formed of a polymeric material and at least 20 % of one or several fillers, and in that the product is obtainable by extrusion. The invention also concerns a method for preparing a porous composite product characterised in that it consists in: a) forming a mixture containing one or several insoluble polymers, one or several soluble or calcinable polymers, one or several fillers; b) extruding said mixture for forming an extruded precursor product; c) eliminating the soluble or calcinable polymer(s) of the extruded precursor product; recuperating the porous composite product. The invention also concerns all extruded object consisting of a porous composite product in particular with high specific area. Finally it concerns an electrode formed of a film of porous composite product.
Patent CA-2298279-C (CA)
Title: Photographic liquids effluent discharge
Inventor: REN JIAN MIN
IPC: B01D21/00
Filed: 2000-02-09
Granted: 2002-01-01
Abstract: Spent colour photography liquids comprising alkaline developer liquid and fixer liquid loaded with iron ions generate a dischargeable effluent, in which clogging of drains and conduits with precipitated iron oxides is minimized or avoided; the liquids are fed through separate feed ports into a vessel to form a liquid bath; liquid effluent is pumped or suctioned from the interior of bath to form an effluent flow; preferably the pumping or a suction is generated by flow of a carrier liquid such as water through a venturi passage, whereby the liquid effluent is entrained in the flowing water and discharged under pressure, the precipitated iron oxides being retained in a dispersed non-clogging state.
Patent CA-2304558-C (CA)
Title: Highly alkaline compositions containing a hexyl glycoside as a hydrotrope
Inventor: JOHANSSON INGEGARD
IPC: C11D1/722
Filed: 1998-09-15
Granted: 2009-12-29
Abstract: The present invention relates to a clear and stable, highly alkaline composition with controlled foaming, containing a high amount of surface active nonionic alkylene oxide adduct and a hexyl glycoside as a hydrotrope. This composition has a very good wetting and cleaning ability and can be used for cleaning of hard surfaces, in a mercerization process and for a cleaning, desizing or scouring process of fibres and fabrics.
Patent CA-2307252-C (CA)
Title: Pir device
Inventor: DUVE JEFF
IPC: H05B37/02
Filed: 2000-04-27
Granted: 2004-11-30
Abstract: An outdoor light using a motion sensor that activates the light when motion is sensed by changes in the infrared signal detected. The device uses a passive infrared detector network to sense infrared and to produce an analog signal in response to said infrared detected which is then passed through an amplifier to a signal controlled oscillator. The signal is converted into a digital signal which is used to detect motion by a logic device.
Patent CA-2310769-C (CA)
Inventor: SRINIVASAN VENUGOPAL
IPC: G10L19/00
Filed: 2000-06-06
Granted: 2013-05-28
Abstract: A signature is extracted from the audio of a program received by a tunable receiver such that the signature characterizes the program. In order to extract the signature, blocks of the audio are converted to corresponding spectral moments. At least one of the spectral moments is then converted to the signature. Also, a test audio signal from a receiver is correlated to a reference audio signal by converting the test audio signal and the reference audio signal to corresponding test and reference spectra, determining test slopes corresponding to coefficients of the test spectrum and reference slopes corresponding to coefficients of the reference spectrum, and comparing the test slopes to the reference slopes in order to determine a match between the test audio signal and the reference audio signal.
Patent CA-2313841-C (CA)
Inventor: VANDERMEY JOHN
IPC: H01J49/26
Filed: 2000-07-13
Granted: 2009-12-08
Abstract: A mass spectroscopy apparatus having two quadrupole mass analyzer stages is disclosed. Both stages are configured to transmit ions of the same mass to charge ratio and they are operated in series to provide a tandem mass analyzer having greater resolution than either stage has separately. The poles of the two quadrupoles are positioned axially and close together to minimize ion loss between the two stages. The RF component of the potential across the two stages are kept in phase such that some poles of the first stage are always 180° out of phase with some poles of the other stage. Capacitors are provided to couple the out of phase poles of the two stages to one another, thereby compensating for a stray capacitance which arises between the in phase poles of the two stages.
Patent CA-2316539-C (CA)
Inventor: TAKAHASHI YUTAKA
IPC: A61K47/44
Filed: 1998-12-25
Granted: 2008-11-18
Abstract: The present invention relates to sustained-release pharmaceutical compositions for ionic pharmaceutically active substances containing ionic compounds having opposite charges to those of ionic prostanoic acid derivatives and increasing hydrophobicity of the active substances. More specifically, the invention relates to sustained-release pharmaceutical compositions comprising the ionic prostanoic acid derivatives and the ionic compounds having opposite charges to those of the prostanoic acid derivatives and increasing hydrophobicity of these derivatives that contain hydrophobic groups in the molecule thereof.   The pharmaceutical composition of the invention can exhibit excellent sustained release effect of the ionic prostanoic acid derivatives, irrespective of water solubility possessed by the ionic prostanoic acid derivatives.
Patent CA-2322395-C (CA)
Inventor: SCHWARZ WOLFGANG
IPC: C04B111/94
Filed: 1999-03-08
Granted: 2009-09-15
Abstract: An electrically conducting microcapillary composite matrix, produced by applying a painting or coating material on mortar or concrete, which painting or coating material comprises at least one of the following compounds: alumino-silicate of the summation formula aM2 O*bAl2O3 *cSiO2, with a ratio of c/b ranging from 1 to 40, preferably ranging from 5 to 20, and a ratio of a/b ranging from 1 to 25, preferably ranging from 5 to 15, with M = Li, Na, K; alumino-hydroxo--complex of the summation formula M x Al(OH)y, with x ranging from 1 to 3 and y ranging from 4 to 6, with M = Na, K; aluminum phosphates, preferably condensed aluminium phosphates in combination with water-soluble alkali silicates. The electrical conductivity of the painting or coating material is achieved by admixing electrically conducting pigments and/or fiber materials. The painting or coating material optionally comprises alkali silicates, reactive alumino-silicates, preferably metakaolin, microsilica, Kieselsol, water--dispersible organic polymers and dispersing agents, thickening agents, water retention agents, film formers, fillers, additives, fiber materials. The specific electric resistance of the microcapillary composite matrix, measured on its surface, is less than 25 ohm.cm, preferably less than 5 ohm.cm.
Patent CA-2322667-C (CA)
Inventor: REESE BARRY R
IPC: B65D51/20
Filed: 2000-10-06
Granted: 2005-09-27
Abstract: A sealed composite container for products is provided having a paperboard body ply with a liner ply adhered on the inner surface thereof. One end of the container is rolled outwardly to form a rim and exposing the inner surface of the liner ply. A lid is heat sealed to the rim of the container. The dual-layer sealant composition layer of the lid comprises a base layer, such as high density polyethylene, and an adjacent frangible layer, such as ethylene-methyl acrylate copolymer, the frangible layer being operatively positioned for heat sealing to the rim of the container.
Patent CA-2324915-C (CA)
Inventor: BURBANK JOHN E III
IPC: G16H20/17
Filed: 2000-10-31
Granted: 2009-01-20
Abstract: A medication delivery pen includes a housing having opposing proximal and distal ends. An actuator is disposed in the proximal end of the housing for setting and administering a dosage of medication. The pen also includes a medication- containing cartridge assembly having a cartridge with a pierceably sealed distal end, an open proximal end removably attachable to the distal end of the housing, and a piston in sliding fluid tight engagement within the cartridge. A drive mechanism is coupled between the actuator and the cartridge to exert an axial force on the piston to inject the set dosage of medication. The actuator triggers the drive mechanism to administer the injection of medication held in the cartridge. A processor is coupled to the actuator to determine a value equal to the dosage set by the actuator. A memory device is coupled to the processor to store at least the dosage value determined by the processor. A display is located on the housing and coupled to the processor for displaying information provided by the processor. In a first state the actuator engages with the drive mechanism to deliver the medication and in a second state is disengaged from the drive mechanism. In its second state, the actuator serves as a user adjustable input for changing and setting mode parameters of at least one preselected mode of the pen.
Patent CA-2344697-C (CA)
Inventor: PELERIN JOSEPH J
IPC: A61K6/884
Filed: 1999-09-23
Granted: 2012-11-13
Abstract: La présente invention concerne une préparation d'incrustation vestibulaire pour tissus calcifiés, cette préparation renfermant une résine polymérisable et un agent bactéricide de formule (I), dans laquelle R¿1? représente un radical hydrocarboné présentant 1 à 16 atomes de carbone, n désigne un nombre entier variant entre 1 et 8, et X symbolise un atome d'halogène choisi parmi le fluor, le chlore, ou le brome, R¿1? comprenant des radicaux hydrocarbonés insaturés ainsi que des radicaux contenant des hétéroatomes. La molécule de formule (I) est de préférence associée à une espèce d'un produit d'addition, un solvant et du chlorure de benzalkonium bactéricide à spectre d'activité complémentaire étant éventuellement ajoutés. Un collutoire bactéricide exempt de résine polymérisable contient au moins 0,2 % en poids dudit agent bactéricide.
Patent CA-2347472-C (CA)
Inventor: LANG BRUNO
IPC: A61F2/00
Filed: 1998-10-15
Granted: 2008-02-12
Abstract: L'invention concerne un dispositif permettant de remplacer des corps vertébraux chez l'homme. Le dispositif comprend un corps creux longitudinal interne (1) et un corps creux longitudinal externe (2), qui peuvent coulisser l'un dans l'autre et se déplacer l'un par rapport à l'autre suivant un axe central (3). Le corps creux interne (1) comporte à la surface externe (4) de son enveloppe des premiers éléments d'accouplement (5), tandis que la cavité (37) du corps creux externe (2) renferme des seconds éléments d'accouplement (7), qui peuvent s'interverrouiller avec les premiers (5). Lesdits premiers et seconds éléments d'accouplement (5, 7) sont disposés à la surface (4) et dans la cavité (37) de façon à pouvoir être amenés sélectivement, par rotation l'un par rapport à l'autre, dans au moins deux positions différentes: une première position A, dans laquelle les premiers et les seconds éléments (5, 7) sont mutuellement interverrouillés, de façon à bloquer les deux corps creux (1, 2) l'un par rapport à l'autre suivant l'axe central (3); et une seconde position (B), dans laquelle les premiers et les seconds éléments (5, 7) ne sont pas interverrouillés, de façon à laisser les deux corps creux (1, 2) libres de se déplacer l'un par rapport à l'autre suivant l'axe central (3).
Patent CA-2348319-C (CA)
Inventor: SUZUKI HIROTO
IPC: A61P25/28
Filed: 2001-05-24
Granted: 2009-09-08
Abstract: Disclosed herein are a cyclohexenol derivative represented by the following general formula (1): (see formula 1) wherein R1 to R5 are independently a methyl group or a hydrogen atom, and X is an alkylene or alkenylene group having 10 to 28 carbon atoms, and a medicament comprising the derivative as an active ingredient. The cyclohexenol derivative (1) exhibits neurocyte growth-accelerating effects such as neurocyte-growing effect and neurite-outgrowing effect and is hence useful as an agent for preventing or treating diseases caused by nervous degeneration, such as amyotrophic lateral sclerosis.
Patent CA-2349903-C (CA)
Inventor: SCHMIDT MICHAEL
IPC: H01M10/40
Filed: 2001-06-07
Granted: 2010-02-02
Abstract: An ionic liquid of the general formula: K+A- (I), in which: K+ is a cation which is: (see formula II), (see formula III), (see formula IV), (see formula V), (see formula VI), (see formula VII), (see formula VIII), (see formula IX), where R1 to R6 are identical or different, are optionally bonded directly to one another by a single or double bond and each, individually or together, have the following meaning: - H, - halogen, a C1 to C8 alkyl radical, which may be partially or fully substituted by F, Cl, N(C n F(2n+1-x)H x)2, O(C n F(2n+1-x)H x), SO2(C n F(2n+1-x)H x) or C n F(2n+1- x)H x, where 1 < n < 6 and 0 < x <= 2n+1; and A- is tris(pentafluoroethyl)trifluorophosphate or tris(nonafluorobutyl)trifluorophosphate.
Patent CA-2350330-C (CA)
Title: Security document or device having an intaglio contrast effect
Inventor: ROMANIC HERMINA
IPC: B42D25/29
Filed: 2000-06-05
Granted: 2007-12-18
Abstract: A security document or device having a substrate (2), a smooth highly reflective layer (1) applied to the substrate (2) and having a reflectivity of at least 60 gloss units, a raised printed image (3) of lines or dots applied to said reflective layer (1) by a printing process and having a height of about 10 to 100 µµm, and typically about 30 µµm, and a similar spacing being adjacent lines or dots, the hue chroma value of the ink used to print the image being between 30 and about 50 chroma units tending towards a saturation value of 60 chroma units, the lightness of the ink being at least 50 L degrees (lightness units), and typically between 70 and 100 L degrees.
Patent CA-2351525-C (CA)
Inventor: BICKING ROBERT E
IPC: G01D5/244
Filed: 1999-10-22
Granted: 2006-04-11
Abstract: An interleaved parallel MR bridge array is optimized for sensing fine pitch ring magnets and can be utilized to reduce ring magnet target size for wheel speed sensing applications.
Patent CA-2359560-C (CA)
Title: Polyisocyanurate compositions and composites
Inventor: CHEOLAS EVAN H
IPC: B29C33/60
Filed: 1999-11-12
Granted: 2009-02-03
Abstract: The invention relates to polyisocyanurate systems, pultrusion of those systems to produce reinforced polyisocyanurate matrix composites, and to composites produced thereby. The polyisocyanurate systems include a polyol component, an optional chain extender, and an isocyanate. The polyisocyanurate systems have extended initiation times of about 5 minutes to about 30 minutes at room temperature, and can be snap cured.
Patent CA-2364377-C (CA)
Inventor: MANDAI SHIGEMI
IPC: F23M20/00
Filed: 2001-12-05
Granted: 2007-03-27
Abstract: For the purpose of reduced NOx gas emission, a gas turbine engine comprises a cylinder (2) having a combustion region (11) inside of the cylinder (2); a resonator (16) having a cavity (15) and provided around the surface of the cylinder (2) and sound absorption holes (14) formed on the cylinder (2) and having opening ends on the cylinder (2).
Patent CA-2379189-C (CA)
Inventor: NORQUIST SCOTT G
IPC: A61F13/00
Filed: 2000-07-20
Granted: 2008-12-23
Abstract: A conformable adhesive article (10) for use as a sterile medical dressing is described. The article (10) includes a breathable polymeric matrix (28), a plurality of phases (26), and an adhesiv e composition (23) positioned on the polymeric matrix (28). The plurality of phases (26) preferably provide reinforcement and stiffness to the article. The article permits transport of moisture across the breathable polymeric matrix, preferably at an Inverted water moisture vapor transmission rate of at least 300 g/m2/24 hours.
Patent CA-2382536-C (CA)
Inventor: WU QIANG
IPC: H04L1/20
Filed: 2000-09-12
Granted: 2010-08-03
Abstract: A system (10) for providing an accurate prediction of a signal-to-interference noise ratio. The system (10) includes a first circuit for receiving a signal transmitted across a channel via an external transmitter. A second circuit generates a sequence of estimates of signal-to-interference noise ratio based on the received signal. A third circuit determines a relationship between elements of the sequence of estimates. A fourth circuit employs the relationship to provide a signal-to-interference noise ratio prediction for a subsequently received signal.
Patent CA-2388910-C (CA)
Title: Antimicrobial activity of the first cationic cluster of human lactoferrin
Inventor: NIBBERING PETER HENDRIKUS
IPC: A61P31/00
Filed: 2000-11-10
Granted: 2008-10-07
Abstract: The present invention provides polypeptides related to human lactoferrin protein that have utility in a variety of therapeutic and prophylactic applications, including use as antimicrobial agents. The invention further provides pharmaceutical compositions containing these polypeptides and therapeutic methods using such compositions. Methods for detecting antimicrobial infections using the polypeptides are also provided.
Patent CA-2389940-C (CA)
Title: Spray gun with improved needle shut-off valve sealing arrangement
Inventor: HARUCH JAMES
IPC: B05B7/06
Filed: 2002-06-10
Granted: 2012-02-21
Abstract: A gun-like spray device having a spray nozzle assembly at the discharge end and a reciprocatably movable valve needle for controlling the liquid flow through the discharge nozzle assembly. The nozzle assembly includes an orifice member which defines a liquid discharge orifice and a rigid valve seat for centering and precisely locating the valve needle in a closed position. An annular resilient sealing member is secured within the orifice member for engaging and creating a liquid seal about the valve needle separate and apart from the rigid seat when the valve needle is in a closed position. The spray nozzle assembly may be used with spray devices having different sized valve needles and includes a first rigid valve seat downstream of the resilient sealing member for receiving a relatively small diameter valve needle and a second rigid valve seat upstream of the resilient sealing member for receiving a relatively large diameter valve needle.
Patent CA-2398097-C (CA)
Title: Vibration based downhole power generator
Inventor: ROBISON CLARK E
IPC: E21B/
Filed: 2001-01-24
Granted: 2009-10-20
Abstract: A downhole power generator produces electrical power for use by downhole tools. In a described embodiment, a downhole power generator includes a member that is vibrated in response to fluid flow through a housing. Vibration of the member causes a power generating assembly to generate electrical power.
Patent CA-2406191-C (CA)
Title: Cestrum yellow leaf curling virus promoters
Inventor: HOHN THOMAS
IPC: C12N5/10
Filed: 2001-03-26
Granted: 2012-05-29
Abstract: This invention describes novel DNA sequences that function as promoters of transcription of associated nucleotide sequences. More specifically, this invention describes DNA sequences conferring constitutive expression to an associated nucleotide sequence. The invention also describes recombinant sequences containing such promoter sequences. The said recombinant DNA sequences may be used to create transgenic plants, but especially plants expressing a nucleotide sequence of interest at all times and in most tissues and organs.
Patent CA-2413385-C (CA)
Inventor: LESAGE CLAUDE
IPC: F24H1/18
Filed: 2002-12-03
Granted: 2010-07-13
Abstract: A method of reducing the kilowatt demand of domestic hot water heaters during peak hour periods without reducing the amount of water requested by a user, while maintaining the desired water temperature, is described. The method comprises providing three resistive heating elements in the hot water tank, one in the upper region, one in the middle region and one at the bottom of the water tank. The bottom resisting heating element has a wattage rating which is at least five times inferior than that of the upper and middle resistive heating elements. The bottom resistive heating element is energized to heat water to a required temperature when small draws of water, below 100 liters, are demanded by a user. The upper resistive heating element is energized during large draws of water, and then a control circuit switches the middle or bottom heating element to complete the heating cycle for large draws.
Patent CA-2414271-C (CA)
Title: Preparations a liberation prolongee a base d'antibiotiques de type quinolones et procede d'elaboration desdites preparations
Inventor: WEBER WOLFGANG
IPC: A61P31/04
Filed: 2001-06-13
Granted: 2005-09-27
Abstract: La présente invention concerne une préparation pour administration par voie orale contenant un antibiotique de type quinolone, laquelle préparation libère cet agent actif de façon prolongée. Une forme de mise en oeuvre préférée concerne des préparations qui contiennent comme agent actif un mélange d'une base quinolone libre et de son sel. Il s'agit de préférence de mélanges de chlorhydrate de ciprofloxacine et de bétaïne de ciprofloxacine.