baber/WOPTO huggingface dataset:
Patent CA-2448697-C (CA)
Inventor: JACKSIER TRACEY
IPC: C23C16/04
Filed: 2002-07-15
Granted: 2012-09-25
Abstract: Methods of passivating a metal surface are described, the methods comprising the step of i) exposing the metal surface to a silicon-containing passivation material; ii) evacuating the metal surface, iii) exposing the treated surface to a gas composition having a concentration of reactive gas that is greater than an intended reactive gas concentration of gas to be transported by the metal surface; iv) evacuating the metal surface to remove substantially all of the gas composition to enable maintenance of an increased shelf-life, low concentration reactive gas at an intended concentration; and v) exposing the metal surface to the reactive gas at the intended reactive gas concentration. Manufactured products, high stability fluids, and methods of making same are also described.
Patent CA-2448947-C (CA)
Title: Pseudotyping vih-1 vectors with the aid of rhabdovirus envelopes
Inventor: SARKIS CHAMSY
IPC: C12N15/867
Filed: 2002-05-31
Granted: 2011-07-12
Abstract: The invention relates to a defective lentivirus which is pseudotyped with a lyssavirus envelope of the PV (rabies virus) or MOK type (Mokola virus), for example, and to the use thereof, especially in the preparation of a composition for in vivo transfer of genes in astrocytes and also for the treatment of disorders of the central nervous system.
Patent CA-2465996-C (CA)
Title: Fluid filter assembly
Inventor: NGUYEN LEDU Q
IPC: F16H57/04
Filed: 2002-10-03
Granted: 2010-02-09
Abstract: A fluid filter assembly (12) includes a shroud (40) containing filter media (34). A fluid pump (14) is coupled to the shroud (40) and operated to draw transmission fluid (24) from a fluid reservoir (18) in transaxle housing (16) into the shoud (40) and through the filter module (34) in the shroud (40) to produce a stream (36) of filtered transmission fluid to be pumped to a transmission (20) or other destination in the transaxle housing (16). The shroud (40) includes a filter housing (42) containing the filter media (34) and a mount flange (44) cantilevered to the filter housing (42) and adapted to mate with the fluid pump (14).
Patent CA-2467933-C (CA)
Inventor: IYENGAR ARUN
IPC: G06F13/00
Filed: 2002-12-18
Granted: 2009-02-03
Abstract: A method, a system, an apparatus, and a computer program product are presented for fragment caching. After a message is received at a computing device that contains a cache management unit, a fragment in the message body of the message is cached. Subsequent requests for the fragment at the cache management unit result in a cache hit. The cache management unit operates equivalently in support of fragment caching operations without regard to whether the computing device acts as a client, a server, or a hub located throughout the network; in other words, the fragment caching technique is uniform throughout a network. Cache ID rules accompany a fragment from an origin server; the cache ID rules describe a method for forming a unique cache ID for the fragment such that dynamic content can be cached away from an origin server.
Patent CA-2470193-C (CA)
Title: Time released curing system
Inventor: CHEN JIMMY PINGAO
IPC: C08K5/51
Filed: 2003-09-26
Granted: 2011-07-19
Abstract: Curable urea formaldehyde binder compositions are provided which are useful in coated abrasive and wood engineering applications, in a time released fashion. The time released curable binder compositions include a urea formaldehyde resin and an aryl phosphite in varying concentrations. The curable binder compositions of the present invention provide desirable working times and faster curing times under ambient or near ambient conditions.
Patent CA-2471186-C (CA)
Title: Accommodating lens assembly
Inventor: BEN NUN YEHOSHUA
IPC: A61F/
Filed: 2002-08-21
Granted: 2009-12-08
Abstract: An accommodating lens assembly having an optical axis and being adapted to b e implanted in a posterior chamber of an eye having a capsular unit located therein. The assembly comprises a rigid haptics element adapted to secure th e assembly within the posterior chamber outside said capsular unit. The elemen t is transparent at least in a region around the axis. The assembly further comprises a resilient body adapted to operate as a lens having a curved surface when pressed up against the region of the haptics element by an axia l force applied thereto by the capsular unit. A change in this force causes a change in a radius of curvature for the curved surface.
Patent CA-2472210-C (CA)
Title: Method of the pyrometallurgical treatment of metals, metal melts and/or slags and injection device
Inventor: MEYN MATTHIAS
IPC: F27D99/00
Filed: 2003-01-13
Granted: 2010-12-07
Abstract: In the metallurgical treatment of metals, metal melts and/or slags in a metallurgical unit or melting vessel, especially in electric arc furnaces, injection devices (1) are used for blowing in or up oxygen-rich gases (6) and/or carbonaceous substances, which cause as long as possible gas jet (6') with a high pulse energy to strike to strike the surface of the slag or metal. It is known to envelope produced gas jet (6'), thereby focusing it. According to the invention, such an envelope is obtained by using a hot gas (5, 5') that is preaccelerated to such a degree that the central gas jet (6') is preferably without pulse losses.
Patent CA-2498133-C (CA)
Inventor: GARNER ROBERT B
IPC: G06F1/16
Filed: 2003-09-19
Granted: 2011-02-22
Abstract: A scalable and compact computer system of three-dimensional subsystems (20-23) each having capacitive couplers (25) of its external surfaces for transmitting and receiving electrical signals to and from adjacent subsystems (20-23). Each surface having an electrically non-conducting substrate, one or more electrically conducting pads on the substrate, and electrical leads for coupling the pads to the subsystem's circuits. Two adjacent pads, each from a different subsystem (20-23), form a capacitive coupler (35) to carry the signals between the subsystems (20-23). The pads are covered by a low-loss dielectric material having a large dielectric constant for improved signal transmission. A differential signal may be supported using two capacitive couplers (25) to respectively carry the positive and negative signals of the differential signal. The subsystems (20-23) might be replaced or left in place when they failed. Additional subsystems (20-23) might be added to the system to expand its capacity.
Patent CA-2500732-C (CA)
Inventor: BARRATT THOMAS
IPC: B01D50/00
Filed: 2003-10-01
Granted: 2008-12-09
Abstract: A compression system including a compressor driven by a motor, an optional accumulator, a liquid/gas separator, heat exchangers in the form of a condenser and an evaporator, expansion valves and conduit in the form of piping to connect these components together. The liquid/gas separating means is a lubricant separator, typically a cylindrical horizontal or vertical vessel used in conjunction with a gas compressor. The lubricant separator accepts discharge flow from the compressor which includes a mixture of a "smokeless" lubricant and refrigerant gas in a range of particle sizes forming a fluid stream, separates the refrigerant gas from the lubricant and collects the lubricant for reuse in the compressor. Because the lubricant used in the lubrication system rapidly agglomerates into a larger size droplets and does not produce the aerosol, the separator does not require a coalescer element to coalescer aerosol and does not require a manway for serving the coalescer element. The coalescer element is replaced with a more reliable and durable mesh pad to agglomerate the larger sized droplets. The overall size and space requirements associated with the separator are reduced.
Patent CA-2501025-C (CA)
Title: Habitat friendly, multiple impellor, wind energy extraction
Inventor: TOCHER ANGUS J
IPC: F03D7/00
Filed: 2005-03-16
Granted: 2008-02-19
Abstract: A habitat friendly, pressure conversion, wind energy extraction system is disclosed for safely extracting usable energy from wind. The invention includes one or more shrouds or concentrator wings that convert the dynamic pressure of wind into relatively lower static pressure and thereby induces a vacuum that draws wind into a turbine centralized within the shrouds or concentrator wings. As such, the turbine impellor blades may be significantly smaller than the large diameter rotor blades of current popular designs and may be enclosed within the shrouds or concentrator wings that present themselves as highly visible objects and as such are easily avoided by birds in flight. The invention in particular includes a device and method of airflow regulation than minimizes or prevents the stalling, or the generation of a turbulent flow of wind over or between the shrouds or concentrator wings of the invention. This stalling has been shown to occur when airflow is quickly accelerated by force of vacuum and drawn out of the turbine shroud which then mixes with and disturbs the otherwise smooth flow of wind over or between the shrouds or concentrator wings. The system may also include an aerobrake that responds quickly to protect the impellor blades or associated mechanisms from overspeeding or exceeding other design limitations under gusting or violent wind conditions. The invention may also include several other novel features such as power converters for extending the impellor or impellors into the free flowing accelerated wind, an aerobrake to protect the impellor from overspeeding, and two novel forms of into- wind guidance systems. Other advantages and objects are as well disclosed that increase safety and wind energy extraction efficiency and allow the invention to be effectively installed within urban settings.
Patent CA-2505865-C (CA)
Title: Identity-based encryption system
Inventor: APPENZELLER GUIDO
IPC: H04L9/00
Filed: 2003-11-12
Granted: 2013-04-02
Abstract: A system is provided that uses identity-based encryption to support secure communications. Messages from a sender to a receiver may be encrypted using the receiver's identity and public parameters that have been generated by a private key generator associated with the receiver. The private key generator associated with the receiver generates a private key for the receiver. The encrypted message may be decrypted by the receiver using the receiver's private key. The system may have multiple private key generators, each with a separate set of public parameters. Directory services may be used to provide a sender that is associated with one private key generator with appropriate public parameters to use when encrypting messages for a receiver that is associated with a different private key generator. A certification authority may be used to sign directory entries for the directory service. A clearinghouse may be used to avoid duplicative directory entries.
Patent CA-2507821-C (CA)
Inventor: KRAL RUDOLF
IPC: F22B37/04
Filed: 2003-11-03
Granted: 2011-07-05
Abstract: L'objectif de cette invention est de fournir un procédé approprié à la fabrication d'un générateur de vapeur en continu (1) pouvant fonctionner à des pressions de vapeur élevées, lequel procédé ne présente pas un coût ou une complexité technique disproportionné(e). A cet effet, un certain nombre de segments tubulaires (18), prévus pour former les tubes (12) du générateur de vapeur et fabriqués à partir d'un matériau appartenant à une première catégorie de matériaux, sont regroupés en un certain nombre de modules (17). Chaque module (17) est pourvu d'un raccord respectif (19), fabriqué à partir d'un matériau appartenant à une deuxième catégorie de matériaux, en un certain nombre de points de raccordement permettant une interconnexion avec un autre module (17).
Patent CA-2508759-C (CA)
Inventor: MIZUTA TAIICHI
IPC: A61J3/07
Filed: 1997-08-28
Granted: 2008-09-09
Abstract: A band seal is formed between a body and a cap of a capsule by fitting the cap on the body, and applying a gelatin-base sealant at least one time in the form of a band spanning the cap and the body. Band sealing is carried out by at least one of the following steps (A) to (E): the step (A) of applying the sealant at a temperature of 30-40°C at least when the sealant is first applied, the step (B) of applying the sealant at a viscosity of 50-200 centipoises at 50°C at least when the sealant is first applied, the step (C) of after the sealant is applied, blowing cold air at a temperature of up to 10°C to the band seal to cool the band seal below 10°C, the step (D) of reducing the joint distance between the body and the cap shorter than the standard capsule length, and the step (E) of applying the sealant to only an edge adjacent portion of the cap surface when the sealant is first applied. The invention prevents bubbles from generating in the band seal.
Patent CA-2510741-C (CA)
Title: Apparatus and method for characterizing a reservoir
Inventor: FIELDS TROY
IPC: E21B/
Filed: 2005-06-27
Granted: 2010-08-10
Abstract: An apparatus and method for characterizing a subsurface formation is provided. The apparatus includes a tool body, a probe assembly carried by the tool body for sealing off a region of the borehole wall, an actuator for moving the probe assembly between a retracted position for conveyance of the tool body and a deployed position for sealing off a region of the borehole wall and a perforator extending through the probe assembly for penetrating a portion of the sealed-off region of the borehole wall. The tool may be provided with first and second drilling shafts with bits for penetrating various surfaces. The method involves sealing off a region of a wall of an open borehole penetrating the formation, creating a perforation through a portion of the sealed-off region of the borehole wall and testing the formation.
Patent CA-2513177-C (CA)
Title: Plateaux de cristallisation preremplis et leurs procedes de realisation et d'utilisation
Inventor: HOUDE CHRISTIAN
IPC: B01D7/02
Filed: 2004-01-16
Granted: 2012-03-20
Abstract: L'invention porte sur l'encapsulation de solutions (16) de cristallisation dans des réservoirs (14) perçables, pour en empêcher l'évaporation et permettre leur transport/expédition dans des conditions de sécurité entre un laboratoire et un autre, et le stockage sûr de microplateaux (10) contenant un grand nombre d'expériences de cristallisation par diffusion de vapeur.
Patent CA-2513831-C (CA)
Title: Magnetic position sensor with integrated hall effect switch
Inventor: GALBREATH CURT
IPC: G01D5/14
Filed: 2004-02-18
Granted: 2010-12-07
Abstract: A non-contacting position sensor having primary and secondary sensors detects relative displacement between two objects. The secondary sensor may function as a limit switch detection element in a limit switch circuit, and is positioned to be in the path of magnetic flux not detected by the primary sensor. The primary sensor is positioned in a flux path between sections of a flux gathering pole. A secondary sensor is positioned in a leakage flux path outside the first sensor or may be positioned in a secondary flux path.
Patent CA-2519570-C (CA)
Title: Melamine and guanamine-based crosslinking composition
Inventor: LIN LON-TANG WILSON
IPC: C08G12/40
Filed: 2004-02-26
Granted: 2013-02-12
Abstract: This invention relates to a crosslinking composition comprising a compound having the structure of Formula (I): where Z is a hydrogen, an alkyl of 1 to about 18 carbon atoms, an aryl of about 6 to about 24 carbon atoms, an aralkyl of about 7 to about 24 carbon atoms, or-NR2R2; each R2 is independently hydrogen, an alkyl, aryl or an aralkyl of 1 to about 18 carbon atoms or R3;  where R3 is-CHROR1or (a) where R is alkyl, halogenated alkyl, aryl, aralkyl, halogenated aralkyl, alkoxyalkyl or an alkaryl having from 1 to about 24 carbon atoms; R1 is a hydrogen, alkyl, aryl, aralkyl, alkoxyalkyl or an alkaryl having from 1 to about 24 carbon atoms; and where the aalkyl or aryl groups in each radical may optionally have heteroatoms in their structure; B  is a resifue of a poly(alkylaldehyde) with n aldehyde groups; n is an integer of 2 to about 4; and A is an amino moiety derived from the group consisting of guanamine and melamine. The above composition may be prepared by reacting a melamine or guanamine with a mono(alkylaldehyde), a poly(alkylaldehyde) and an alcohol.
Patent CA-2520332-C (CA)
Inventor: ABENDROTH JUERGEN
IPC: G01B5/28
Filed: 2005-09-20
Granted: 2008-07-22
Abstract: The present invention generally relates to an apparatus and method for detecting the physical condition of a tubular. In one aspect, an apparatus for use in a tubular is provided. The apparatus includes a body and a drive member for urging the apparatus through the tubular. The apparatus further includes at least two independent caliper assemblies capable of generating data representative of an interior surface of the tubular, wherein each caliper assembly includes an independent force sensor with a sensing member operatively attached thereto. In another aspect, a method for obtaining data in a tubular is provided. In yet another aspect, an apparatus for collecting data in a tubular is provided.
Patent CA-2523039-C (CA)
Inventor: WARD CHRISTOPHER D
IPC: E21B47/18
Filed: 1998-03-17
Granted: 2009-04-21
Abstract: A well condition in a well having a fluid circulating pumping system is evaluated. A well condition is measured at axially spaced locations within the wellbore of the well. The measurements are transmitted to the well surface using fluid pulse telemetry. The differences are used in the measurements at the spaced locations to evaluate a condition of the well.
Patent CA-2524243-C (CA)
Title: Speech coding apparatus including enhancement layer performing long term prediction
Inventor: SATO KAORU
IPC: G10L19/12
Filed: 2004-04-30
Granted: 2013-02-19
Abstract: Base layer coding section 101 encodes an input signal to obtain base layer coded information. Base layer decoding section 102 decodes the base layer coded information to obtain a base layer decoded signal and long term prediction information (pitch lag). Adding section 103 inverts the polarity of the base layer decoded signal to add to the input signal, and obtains a residual signal. Enhancement layer coding section 104 encodes a long term prediction coefficient calculated using the long term prediction information and the residual signal to obtain enhancement layer coded information. Base layer decoding section 152 decodes the base layer coded information to obtain the base layer decoded signal and long term prediction information. Using the long term prediction information, enhancement layer decoding section 153 decodes the enhancement layer coded information to obtain an enhancement layer decoded signal.  Adding section 154 adds the base layer decoded signal and enhancement layer decoded signal to obtain a speech/sound signal. It is thereby possible to implement scalable coding with small amounts of calculation and coded information.
Patent CA-2526420-C (CA)
Title: Formaldehyde-free lignocellulosic adhesives and composites made from the adhesives
Inventor: LI KAICHANG
IPC: B27N3/00
Filed: 2004-04-20
Granted: 2012-07-03
Abstract: Method for making lignocellulosic composites by adhering lignocellulosic substrates together. A first variant of the method involves using an adhesive composition that comprises a reaction product of (i) first ingredient selected from a soy protein or lignin and (ii) at least one substantially formaldehyde-free curing agent that includes at least one amine, amide, imine, imide, or nitrogen-containing heterocyclic functional group that can react with at least one functional group of the soy protein. A second variant of the method involves using an adhesive composition that comprises a reaction product of (i) a protein or lignin, (ii) a first compound that includes at least one amine, amide, imine, imide or nitrogen-containing heterocyclic functional group that can react with at least one functional group of the protein and (iii) a curing agent.
Patent CA-2537706-C (CA)
Title: Cam slide unit with mutually adjustable elements for cutting and/or non-cutting forming of a sheet metal workpiece in a press
Inventor: HEINL ERNST
IPC: B21D28/32
Filed: 2004-08-04
Granted: 2009-06-30
Abstract: The invention relates to a cam slide unit for cut-free forming of a sheet metal workpiece in a press comprising a working disk which can be displaced at a predetermined angle and can support a form and/or a workpiece, arranged between a disk bed and a drive. In order to obtain a continuous angle-adjustable working disk, segment disks disposed in a continuous manner and which can be displaced about a rotational angle are arranged on the disk bed and drive or on a working disk and drive and the respective pair of segment disks arranged on a rotational axis are connected together in a stationary manner along visible boundaries such that corresponding straight guides, especially for the working disks are arranged in said connections.
Patent CA-2538349-C (CA)
Inventor: HOFF TINE
IPC: C12N15/63
Filed: 2004-06-25
Granted: 2014-08-12
Abstract: The present invention relates to polypeptides having alpha-amylase activity and polynucleotides having a nucleotide sequence which encodes for the polypeptides. The invention also relates to a polypeptide having carbohydrate-binding affinity and polynucleotides having a nucleotide sequence which encodes for the polypeptides. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the nucleic acid constructs as well as methods for producing and using the polypeptides.
Patent CA-2539418-C (CA)
Inventor: ECKERT CHARLES A
IPC: B01F1/00
Filed: 2006-03-13
Granted: 2013-10-29
Abstract: A solvent that reversibly converts from a nonionic liquid mixture to an ionic liquid upon contact with a selected trigger, e.g., contact with CO2, is described. In preferred embodiments, the ionic solvent is readily converted back to the nonionic liquid mixture.  The nonionic liquid mixture includes an amidine or guanidine or both, and water, alcohol, or a combination thereof. Some embodiments require increased pressure to convert, others convert at 1 atmosphere.
Patent CA-2541370-C (CA)
Inventor: CASTALDI GRAZIANO
IPC: C07C65/26
Filed: 2006-03-30
Granted: 2013-10-01
Abstract: A process for the preparation of a compound of formula (I), or a salt thereof (see formula I) wherein R is H, C1-C8 alkyl, aryl or aryl-C1-C8 alkyl; comprising the reaction between a compound of formula (II) (see formula II) wherein R1 and R2 are independently hydrogen, C1-C8 alkyl, aryl, aryl-C1-C8 alkyl, or R1 and R2, taken together, form a -(CH2)m-V-(CH2)n- group, in which V is NR3 or C(R3)2 wherein R3 is hydrogen, C1-C8 alkyl, aryl or aryl-C1-C8 alkyl; and m and n, which can be the same or different, are 1 or 2; with a compound of formula (III) (see formula III) in which R4 and R5 are independently C1-C8 alkyl, aryl or aryl-C1-C8 alkyl; in the presence of a Ni (II) salt, an organic ligand and a basic agent, to obtain a compound of formula (I) wherein R is C1-C8 alkyl, aryl or aryl-C1-C8 alkyl and, if desired, its conversion to a compound of formula (I) wherein R is hydrogen or to a salt thereof.
Patent CA-2552370-C (CA)
Title: Method to manufacture metallized paper with curtain coating
Inventor: ORTEGA MAHAVE LUIS AMANDO
IPC: D21H19/06
Filed: 2003-12-30
Granted: 2012-03-27
Abstract: The method comprises the stages of the curtain coating of a first aqueous film-forming composition on a substrate; and the curtain coating of a second aqueous film-forming composition on said metallized substrate, characterized in that said first and second aqueous film-forming composition comprises a first emulsion polymer and/or a second colloidal dispersion polymer.