baber/WOPTO huggingface dataset:
Patent CA-2479641-A1 (CA)
Title: Process for producing selected phenyl-alkanes with adsorptive separation step
Inventor: FRITSCH THOMAS R
IPC: C07C303/08
Filed: 2002-03-25
Abstract: A process for producing phenyl-alkanes, the process comprising the steps of: a) passing a feed stream comprising a first concentration of a first acyclic paraffin having a carbon range of C8-C28 and 2 or 3 primary carbon atoms and at least a second acyclic paraffin to an adsorption zone comprising a bed of an adsorbent comprising silicalite at adsorption promoting conditions to selectively adsorb at least a portion of the first acyclic paraffin contacti ng the bed of adsorbent with a desorbent stream comprising at least one compone nt selected from the group consisting of a C5 -C8 cycloparaffin, a C5-C8 normal paraffin, and a C5- C8 branched paraffin and recovering from the adsorption zone an adsorption extract having a second concentration of the first acycli c paraffin that is greater than the first concentration; b) passing at least a portion of the adsorption extract to a dehydrogenation zone, operating the dehydrogenation zone at dehydrogenation conditions sufficient to dehydrogena te the first acyclic paraffin and recovering from the dehydrogenation zone a dehydrogenated product stream comprising an acyclic monoolefin having a carb on range of C8-C28 and 2 or 3 primary.carbon atoms; c) passing .a feedstock comprising a phenyl compound and passing at least a portion of the dehydrogenated product stream comprising the acyclic monoolefin to an alkylation zone, operating the alkylation zone at alkylation conditions sufficient to alkylate the phenyl compound with the acyclic monoolefin in th e presence of an alkylation catalyst to form a phenyl-alkane comprising a molecule having one phenyl portion and one C8-C28 aliphatic alkyl portion; wherein the aliphatic alkyl portion has 2 or 3 primary carbon atoms and no quaternary carbon atoms that are not bonded by a carbon-carbon bond with a carbon atom of the phenyl portion; and wherein the alkylation has a selectivity to 2-phenyl-alkanes of from 40 to 100 and a selectivity to internal quaternary phenyl-alkanes of less than 10; and recovering the pheny l- alkane from the alkylation zone.
Patent CA-2479820-A1 (CA)
Inventor: WATERS MICHAEL
IPC: A61B17/06
Filed: 2003-04-23
Abstract: The present invention relates to an apparatus for holding and dispensing suture threads and/or suture threads (6) and/or suture threads (6) with needles (7) which is particularly useful for inserting surgical implants (10 ), such as suture anchors, that make use of sutures (6). The apparatus uses a novel design of the spool (1) to safely and neatly hold the suture thread (6 ), and/or needles (7) until the surgeon wishes to dispense them. The apparatus comprises a handle (8), a spool (1) rotatably attached to the handle (8), at least one suture (6), each end of the sutures (6) being wound around the spo ol (1), a shaft (9) the proximal end of which is attached to the handle (8), an d a surgical implant (10) removably attached to the distal end of the shaft (9 ), wherein at least one suture (6) is threaded through the surgical implant (10 ).
Patent CA-2481566-A1 (CA)
Inventor: SARKISIAN PAUL
IPC: F25B41/06
Filed: 2003-04-04
Abstract: La présente invention a trait à un appareil de chauffage et/ou de refroidissement d'absorption d'eau ammoniacale utilisant un détendeur thermostatique (40) et un bulbe de détection de la température (23) destinés au contrôle du débit de fluide caloporteur vers l'évaporateur (20). La détendeur comporte un organe mobile (52) sensible à la pression de bulbe pour faire fonctionner le détendeur, et dans lequel le bulbe de détection de la température (23) est située au-dessus de l'organe mobile (52).
Patent CA-2482584-A1 (CA)
Inventor: GREENWAY JENNIFER
IPC: A61K8/92
Filed: 2004-09-27
Abstract: The present invention features a composition for application to the hair including: (i) a first hair conditioning agent, wherein such first hair conditioning agent penetrates into the core of the hair; (ii) a second hair conditioning agent, wherein such second hair conditioning agent penetrates into the cortex region of the hair but does not substantially penetrate into the core of the hair; and (iii) a third hair conditioning agent, wherein such third hair conditioning agent remain on the hair surface and does not substantially penetrate into the cortex of the hair.
Patent CA-2483812-A1 (CA)
Inventor: SCOTT KEVIN
IPC: E21B43/10
Filed: 2004-10-05
Abstract: The present invention generally relates to apparatus and methods for expanding a tubular. In one embodiment, an expander tool includes a body having at least one recess therein. An expansion assembly disposable in the at least one recess includes a piston that outwardly extends from the body in response to a radially outward force. The expansion assembly includes one or more rollers disposed on a shaft such that the rollers rotate at different speeds. In order to improve a rolling ratio, the shaft is arranged on the piston at an outward angle relative to a longitudinal axis of the tool. The expansion assembly is disposed along the tool at a skew to provide tractoring and reduce slippage due to axial movement. A bearing adjacent the roller and rotationally secured to the roller reduces roller heating and wear. In another aspect, methods for expanding a tubular within a wellbore are provided.
Patent CA-2484177-A1 (CA)
Title: Biodegradable, anionic polymers derived from the amino acid l-tyrosine
Inventor: KOHN JOACHIM B
IPC: C08G64/18
Filed: 1998-11-07
Abstract: A polymer with a hydrolytically labile backbone and having structure (VIII) wherein R9 is an alkyl, aryl or alkylaryl group with up to 18 carbon atoms having a pendent carboxylic acid group or the benzyl ester thereof; R12 is an alkyl, aryl or alkylaryl group with up to 18 carbon atoms having a pendent carboxylic acid ester group selected from straight and branched alkyl and alkylaryl esters containing up to 18 carbon atoms and ester derivatives of biologically and pharmaceutically active compounds covalently bonded thereto, provided that the ester group is not a benzyl group or a group that is removed by hydrogenolysis; each R7 is independently an alkylene group containing up to four carbon atoms; A is selected from: (a) and (b) wherein R8 is selected from saturated and unsaturated, substituted and unsubstituted alkyl, aryl and alkylaryl groups containing up to 18 carbon atoms; k is between about 5 and about 3,000; and x and f independently range from zero to less than one.
Patent CA-2485762-A1 (CA)
Inventor: GASCON STEPHANE
IPC: H05B37/02
Filed: 2004-10-22
Abstract: A multi-mode electromagnetic radiation emitting device comprising at least one source of electromagnetic radiation which emits radiation according to predefined or programmable user selectable instruction sets is disclosed. Reversal of the polarity of the device's power supply allows for enhanced features to be accessed including multiple instruction sets per switch setting, reprogramming mode, infra-red (covert) mode, night mode and water activation mode. A switch mechanism for providing selectable switched circuit connections is also disclosed as well as a power supply for supplying DC power to an electronic circuit comprising at least one microcontroller or microprocessor.
Patent CA-2487315-A1 (CA)
Inventor: MAEKAWA TSUYOSHI
IPC: C07D401/14
Filed: 2003-05-22
Abstract: A compound represented by the formula wherein ring A is a ring optionally having 1 to 3 substituents; ring B is a 1,2-azole ring which may further have 1 to 3 substituents; Xa, Xb and Xc are the same or different and each is a bond, -O-, -S- and the like; Ya is a divalent aliphatic hydrocarbon residue having 1 to 20 carbon atoms; Yb and Yc are the same or different and each is a bond or a divalent aliphatic hydrocarbon residue having 1 to 20 carbon atoms;  ring C is a monocyclic aromatic ring which may further have 1 to 3 substituents; and R represents -OR4 (R4 is hydrogen atom or optionally substituted hydrocarbon group) and the like, or a salt thereof or a prodrug thereof is useful as an agent for the prophylaxis or treatment of diabetes and the like.
Patent CA-2488160-A1 (CA)
Title: Two-channel unit with input-side digital signaling stages or output-side digital command stages
Inventor: WEIBERG BERND
IPC: H04L12/40
Filed: 2004-11-23
Abstract: The invention relates to a two-channel unit (1) with input-side digital signaling stages (MS0-MS7) for a safety device which is operated in the safe mode, having two controllers (2a, 2b) which can be controlled by a higher-level safe computer and are each connected to an input (4) and to an output (3) of the signaling stages (MS0-MS7) which have two channels, having a test circuit (5) which sets all of the inputs of the signaling stages (MS0-MS7) to a defined state in order to test the signaling stages (MS0-MS7) controlled by the controllers (2a, 2b) with simulated input signals then being passed from the two controllers (2a, 2b) to the inputs (4), and the output signals produced in this way being recorded and being made available to the higher-level computer, with the controllers (2a, 2b) and the computer communicating with one another via independent serial buses (6) which are separate from one another, each serial bus (6) having potential isolation (6a), and optocouplers being used for potential isolation (6a) in the serial buses (6). In order to ensure potential isolation by means of optocouplers even in the event of a fault, it is proposed that power loss limiting be provided for the optocouplers.
Patent CA-2489528-A1 (CA)
Title: Nasal compositions comprising a mucopolysaccharide and propylene glycol
Inventor: SALVI URBANO
IPC: A61K47/10
Filed: 2003-06-18
Abstract: The invention relates to pharmaceutical compositions adapted to nasal administration. The nasal formulations of the invention are characterized inter alia by having excellent moisturizing properties and not requiring a preservative.
Patent CA-2492101-A1 (CA)
Inventor: KAZ TILL
IPC: H01M8/00
Filed: 2003-07-10
Abstract: The aim of the invention is to provide a device for testing an electrode- membrane unit, by means of which electrode-membrane units just produced can be tested in a nondestructive manner. According to the invention, a first conta ct device is provided for electrically contacting a first electrode side of the test object, and a second contact device is provided for electrically contacting a second electrode side of the test object. The first and the second contact device, at least in the area of contact, are electroconductiv e and the first contact device and/or the second contact device has a pluralit y of electroconductive spaced-apart contact segments. The inventive device is further provided with a conductometer for measuring the conductivity of the test object segment per segment in a locally resolved manner.
Patent CA-2492141-A1 (CA)
Inventor: PROCHNOW UWE
IPC: H04N7/26
Filed: 2003-07-10
Abstract: Procédé de compression et de décompression de données d'image vidéo, selon lequel des contours de structures d'image sont déterminés lors d'une analyse de base des données d'image vidéo à l'aide de modifications brusques de la brillance et / ou de la valeur chromatique de pixels voisins, les contours ainsi trouvés sont décrits par segments à l'aide d'une fonction mathématique paramétrisée et définis en tant qu'objets, une dominance de couleur et une continuité de couleur ainsi que la position et une extension des différents objets et une fonction structurelle sont déterminés pour les différents objets, et lors d'analyses ultérieures d'images vidéo, les modifications différentielles de brillance, de grandeur, de position et d'orientation des objets sont déterminées, compte tenu des contours communs d'objets contigus. Les objets ainsi définis sont placés dans une trame de base structurée ou dans des trames séquentielles et préparés. L'analyse des contours et des structures est effectuée à l'aide de réseaux neuronaux.
Patent CA-2494233-A1 (CA)
Title: Formulations and dosage forms for controlled delivery of topiramate
Inventor: LI SHU
IPC: A61K9/22
Filed: 2003-07-28
Abstract: Dosage forms and devices for enhancing controlled delivery of lowly soluble active agents including topiramate by use of a drug core composition that increases the solubility of the pharmaceutical agent are described. The present invention provides a drug core composition for delivering high doses of lowly soluble topiramate in solid oral drug delivery systems that are convenient to swallow, for once-a-day administration. The drug core composition contains topiramate, a surfactant and a carrier in ratios for optimal solubility and delivery.
Patent CA-2494759-A1 (CA)
Title: A system and method for increasing bandwidth efficiency and throughput of a data transmission network
Inventor: LO VICTOR YEEMAN
IPC: H04L1/06
Filed: 2003-06-16
Abstract: A system and method for increasing bandwidth efficiency and data transmissio n performance of radio frequency wireless, optical wireless and fiber-optic digital communication links without requiring an increase in signal power. T he system utilizes bandwidth efficient space-time coding to correct transmissio n errors and bandwidth efficient space-time modulation to dramatically increas e data throughput without requiring additional signal bandwidth or power. Radi o frequency wireless, optical wireless WDM and fiber-optic applications are achieved by utilizing space-time encoders, radio frequency sources, bandwidt h efficient space-time modulators and power amplifiers combined with transmission devices such as one or more antennas, multifeed antennas, multimode antennas or for transmission by a suitable cable. At the receiver, the method is reversed.
Patent CA-2494968-A1 (CA)
Title: Method and system for improving the reliability of quality feedback in a wireless communications system
Inventor: CHEN TAO
IPC: H04B7/26
Filed: 2003-08-08
Abstract: Systems and techniques are disclosed relating to communications. The systems and techniques involve transmitting a signal over a plurality of time periods, receiving a plurality of parameters each relating to the signal transmission during a different one of the time periods, filtering a first one of the parameters to generate a first filtered parameter, filtering a second one of the parameters as a function of the first filtered parameter to generate a second filtered parameter, and adjusting the signal as a function of the second filtered parameter.
Patent CA-2499114-A1 (CA)
Inventor: KISH WILLIAM
IPC: C09K21/00
Filed: 2005-03-01
Abstract: Fire retardant composition has a mold inhibitor. The composition can embrace a mixture of a substantially neutral ammonium phosphate salt in combination with an active hydrogen-containing nitrogenous organic compound spumific, e.g., urea, and with a hydroxyl-containing carbonific, e.g., a polyol, and further with the mold inhibitor. Such a composition can be made by contacting a phosphoric acid with ammonia to form the ammonium phosphate, contacting the ammonium phosphate with the spumific, the carbonific, and the mold inhibitor, under conditions sufficient to form the composition; and can be used by contacting it with a flammable substrate under conditions sufficient to be flame retardant or mold inhibitory, or both.  Another aspect or embodiment is an intumescent fire retardant latex paint having a mold inhibitor. The paint can be in a form of a finish paint or primer. Such a paint can be made by contacting latex paint-forming ingredients with a fire retardant and a mold inhibitor, under conditions sufficient to form the paint; and can be used by contacting it with a flammable substrate under conditions sufficient to be flame retardant or mold inhibitory, or both. Another aspect is an article of manufacture comprising, in combination, the aforesaid composition or paint, which has the mold inhibitor, and the flammable substrate or a residue of the same.
Patent CA-2499738-A1 (CA)
Inventor: DUGAN MARGARET HAN
IPC: A61K31/502
Filed: 2003-09-23
Abstract: La présente invention se rapporte à une méthode de traitement de syndromes myélodysplasiques. Cette méthode consiste à administrer une dose thérapeutiquement efficace d'un dérivé de 4-pyridylméthyl-phthalazine à un animal à sang chaud en ayant besoin.
Patent CA-2505697-A1 (CA)
Title: Injection mold having a wear resistant portion and a high heat transfer portion and a method of forming a preform
Inventor: LEE ROBERT A
IPC: B29C49/22
Filed: 2003-11-10
Abstract: Disclosed is a preferred mold design for producing plastic, injection molded preforms, which may be blow-molded into a container of a final, desired shape.  A preferred mold (500) includes a combination of hardened material components (530a) and high heat transfer material components (530b) to provide a mold (500) having good wear characteristics, for a sufficiently long useful life, and to enable rapid cooling of the injected preform, in order to reduce the cycle time of an injection and cooling cycle. In some arrangements, the hardened materials may form a portion of the preform cavity thereby slowing the rate of cooling in those areas and inducing a semi-crystalline or crystalline structure in the cooled preform.
Patent CA-2506372-A1 (CA)
Title: Tire reinforcing arrangement
Inventor: HSU SHUT CHEN
IPC: B60C15/00
Filed: 2005-05-05
Abstract: A tire reinforcing arrangement includes a tire and two auxiliary tires mounted inside the tire for supporting the tire in shape for running on the road when the tire is broken, each auxiliary tire being formed of a plurality of hollow auxiliary tire elements, a plurality of smoothly arched connecting plates fastened to the auxiliary tire elements at two sides with screw bolts to connect the auxiliary tire elements into a series of linked auxiliary tire elements, and two U-bars fastened together with a screw bolt and a pin end connected to the series of, linked auxiliary tire elements with screw bolts and pins to join the ends of the series of linked auxiliary tire elements.
Patent CA-2506497-A1 (CA)
Inventor: CONTRERAS ALARCON ORESTES ROLA
IPC: C08G83/00
Filed: 2003-11-25
Abstract: Dendrons and dendrimers are prepared by synthetic procedures under microwaves starting from heterocyclic substructures of C2 and C4 substituted iminoethers or from their boronic, sulfonic and phosphoric derivatives, or from their N-substituted derivatives, cyclic and acyclics, their products of hydrolysis or the transformations of them in other pentagonal nitrogenated heterocycles with incorporation in some cases, of structural units of chromogenic or fluorogenic glucuronides in their cavities or in the dendrimeric surface, in dependence of the functionality of the outlying groups. Starting from different reactions of the iminoetheres with carboxylic acids, anhydrides, esters, bases, aldehydes, alkyl halides, amines, isocyanates, aromatic thiols, by pyrolysis or hydrolysis, in sequences of selected reactions, alternated and iteratives, with the use of procedures and non classic methods of synthesis under microwaves at power between 30 and 300 Watt at 2450 MHz, to achieve the formation of basic substructures for the construction of dendrons, arms or ramifications of dendritic structures of different generations, from G0 to G4, by a convergent strategy, in presence or absence of solvents and/or polymeric or mineral solid supports.
Patent CA-2506984-A1 (CA)
Inventor: ROBERTS BRYAN
IPC: C08G63/91
Filed: 2003-11-20
Abstract: L'invention concerne des polyphosphazènes destinés à être utilisés en tant qu'imunostimulants, seuls ou en combinaison avec un antigène.
Patent CA-2508645-A1 (CA)
Inventor: POIRIER ALAIN
IPC: D04H1/46
Filed: 2005-05-31
Abstract: A textile glide comprises a layer of fiber material having first and second opposite generally flat faces. Low friction material is integrated with the layer of fiber material so as to have a friction reducing effect on at least one of the first and second faces.
Patent CA-2508954-A1 (CA)
Inventor: ANDERSEN JOHN L
IPC: B65D5/50
Filed: 2005-05-31
Abstract: A container comprises first and second ends, the first end being closable in conventional manner by flaps, and the second end having a display panel that partially defines a display opening. A closure panel is movable between a closed position where it covers the display opening for shipping the container, and an open position where the display opening and display panel are exposed to display contents of the container. The display panel includes side panels and a securing panel interlocked with the side panels.
Patent CA-2509357-A1 (CA)
Title: Carton for diagonally cut sandwiches
Inventor: MONEY JULIAN DAVID KYRLE
IPC: B65D85/36
Filed: 2003-12-10
Abstract: The disclosure relates to a (10) carton for a diagonally cut sandwich or like foodstuff formed from a blank of card and having triangular end walls (12,13) connected by rectangular side walls (18,19) to form a triangular prism-shaped container. One side wall of the container is hinged to another wall of the container to provide an opening for insertion/removal of foodstuff and to form a lid (25) for closing the opening. The edges of the opening have out-turned flanges (26,28) and the periphery of the lid overlies the out-turned flanges encircling the opening when the lid is in the closed position whereby the lid can be bonded to the flanges to seal the contents of the carton.
Patent CA-2512669-A1 (CA)
Title: Suction wet jet mop
Inventor: KISELA DAVID
IPC: A47L13/22
Filed: 2004-01-08
Abstract: A cleaning device (10, 300, 400, 480, 490, 500) includes a housing (28, 313, 422, 482, 502), part of which may be a handle (14, 314, 516). A cleaning head (12, 12', 312, 412, 520) is pivotally mounted to the housing or to the handle.  The cleaning head selectively holds a cleaning pad (70, 70', 370, 526) for collecting liquids, dust and debris from a surface to be cleaned. A suction nozzle (18, 318, 438, 508) is carried by the cleaning head or the handle. A  dirt collecting receptacle (208) is mounted to the housing and is in fluid communication with the suction nozzle and with a suction fan and motor assembly (30). At least one spray nozzle (22, 22', 330, 332, 432, 506) can be mounted on the suction nozzle, the cleaning head, the housing or the handle. A  liquid delivery system (90, 90') delivers a cleaning fluid to the at least one spray nozzle.
Patent CA-2513069-A1 (CA)
Title: Keyboard with surface for computer mouse operation and moveable numeric keypad
Inventor: KARMAZYN DANIEL D
IPC: G06F3/039
Filed: 2005-03-23
Abstract: A keyboard device includes an alphanumeric keyboard and a numeric keypad moveable relative to the keyboard. The keyboard has structure defining a rolling or sliding surface for a mouse and also defining a storage compartment for the numeric keypad below the mouse rolling/sliding surface.  In preferred form, the numeric keypad slides between a storage position within the keyboard and an external position in which the numeric keys are accessible.  The keyboard and keypad are electrically coupled so that the key state of the keypad is accessible from within the keyboard itself. In preferred form, this permits a single processor within the keyboard to produce a key state signal corresponding to the combined key states of the alphanumeric keyboard and numeric keypad, which can be transmitted to an associated computer for appropriate processing.