baber/WOPTO huggingface dataset:
Patent CA-2240216-C (CA)
Inventor: WALL WESLEY JAMES
IPC: C08J3/20
Filed: 1998-06-10
Granted: 2004-06-08
Abstract: A method of impregnating a polymer plastic plug with wood preservative. The method includes the step of introducing wood preservative into a polymer plastic resin prior to forming the polymer plastic resin into a polymer plastic plug. In accordance with the teachings of this method wood preservative is present throughout the polymer plastic plug that is formed. This wood preservative leaches out into the wood every time the polymer plastic plug is exposed to moisture above its naturally occurring moisture content.
Patent CA-2245054-C (CA)
Inventor: TEITELBAUM NEIL
IPC: G02B6/34
Filed: 1998-08-14
Granted: 2003-02-25
Abstract: An optical filter is provided having first and second graded index (GRIN) lensespreferably disposed in a coaxial relationship so that they have a common optical axis. Each of the GRIN lenses has an end face providing a port at predetermined location. The ports are disposed on opposite sides of the optical axis and each of the ports is substantially equidistant from the optical axis, so as to be oppositely offset from the optical axis by a same amount. The filter also includes an optical interference filter disposed between other end faces of the first and second graded index lenses. Byproviding at least four spaced ports, equidistant from the optical axis, such that two ports form a first couplet on opposite sides of the axis from each other and such that two other ports form a second couplet on opposite sides of the axis from each other, wherein one of the ports of one couplet is optically coupled with one of the ports from the other couplet, an add and drop circuit may be realized. The notion of multi-use of an optical filter applies not only to an add and drop circuit, but also other WDM devices which use several optical filters of a same type.
Patent CA-2247959-C (CA)
Inventor: HINTZE-BRUNING HORST
IPC: C08G18/64
Filed: 1997-03-07
Granted: 2006-08-08
Abstract: The present invention relates to an aqueous two-component polyurethane coating composition comprising a component (I) wich contains as binder (A1) at least one water-soluble or water-dispersible polyester resin (A1) which contains hydroxyl groups and acid groups which can be converted into the corresponding acid anion groups and has an OH number of from 30 to 250 mg of KOH/g and an acid number of from 5 to 150 mg of KOH/g, and (A2) at least one water-soluble or water-dispersible polyurethane resin (A2) which contains hydroxyl groups and acid groups which can be converted into the corresponding acid anion groups and has an OH number of from 20 to 200 mg of KOG/g and an acid number of from 5 to 150 mg of KOH/g, and (A3) at least one water-soluble or water-dispersible acrylate copolymer which contains hydroxyl groups and acid groups which can be converted into the corresponding acid anion groups, and/or an acrylated polyester and/or an acrylated polyurethane, which has an OH number of from 40 to 200 mg of KOG/g and an acid number of from 5 to 150 mg of KOH/g, and (A4), if desired, at least one further polymer (A4) and II) a component (II) which contains a polyisocyanate component (F1) as crosslinking agent, wherein the mixing ratio of the polyester resin (A1) to the polyurethane resin (A2), expressed in parts by weight, is between 95 : 5 and 5 : 95.
Patent CA-2250835-C (CA)
Title: Novel ectoparasite saliva proteins and apparatus to collect such proteins
Inventor: HUNTER SHIRLEY WU
IPC: G01N1/24
Filed: 1997-04-10
Granted: 2013-07-23
Abstract: The present invention is directed to a novel product and method for isolating ectoparasite saliva proteins, and a novel product and method for detecting and/or treating allergic dermatitis in an animal. The present invention also relates to ectoparasite saliva proteins, nucleic acid molecules having sequences that encode such proteins, and antibodies raised against such proteins. The present invention also includes methods to obtain such proteins and to use such proteins to identify animals susceptible to or having allergic dermatitis. The present invention also includes therapeutic compositions comprising such proteins and their use to treat animals susceptible to or having allergic dermatitis.
Patent CA-2252410-C (CA)
Title: Secure virtual lans
Inventor: WOLLENSAK MARTIN
IPC: H04L29/06
Filed: 1998-11-03
Granted: 2009-01-27
Abstract: The present invention discloses a method for securely adding a new end station to a local area network (LAN) segmented into a number of virtual local area networks (VLANs). The invention is applicable to various types of LANs such as Ethernet and token ring. The LAN comprises an authentication server (AS) which interacts with each new end station before connection to a VLAN is allowed. The method involves the AS administering a test to the new end station, which may involve prompting the new end station for a password or asking it to encrypt a given number using a secret algorithm known only to the new end station and to the AS. The AS examines the results of this test and determines whether the new end station is permitted to join the VLAN. For added security, the new end station can verify authenticity of the AS by administering a test of its own, which may consist of prompting the AS for a password of its own or asking it to encrypt a new number, the new end station subsequently determining whether the AS is indeed genuine before beginning to transmit any further information. In this way, an end station cannot join a VLAN without authentication by the AS and a legitimate end station can verify whether the test it is asked to pass comes from a legitimate source, thereby avoiding network security breaches.
Patent CA-2257975-C (CA)
Title: Method and apparatus for data processing
Inventor: DAHL ULF
IPC: G06F16/90
Filed: 1997-06-18
Granted: 2006-12-05
Abstract: The invention relates to a method and an apparatus for processing data that is to be protected. The data is stored as encrypted data element values (DV) in records (P) in a first database (O-DB), each data element value being linked to a corresponding data element type (DT). In a second database (IAM-DB), a data element protection catalogue (DC) is stored, which for each individual data element type (DT) contains one or more protection attributes stating processing rules for data element values (DV), which in the first database (O-DB) are linked to the individual data element type (DT). In each user-initiated measure which aims at processing a given data element value (DV) in the first database (O-DB), a compelling calling is initially sent to the data element protection catalogue for collecting the protection attribute/attributes associated with the corresponding data element types. The user's processing of the given data element value is compellingly controlled in conformity with the collected protection attribute/attributes.
Patent CA-2267572-C (CA)
Inventor: WALTHER MIRCO
IPC: F16B25/00
Filed: 1999-03-29
Granted: 2003-05-27
Abstract: The thread (15) of a wood or the like screw has pairs of V-shaped recesses (22, 23) in the edge of a selected intermediate length of the thread (17). Each pair defines a W-shaped cutout (19, 20, 11). The cutouts (19-21) extend into only a part of radial width of the thread (15). There are only about three cutouts (19-21) at each convolute (17) of the limited length. The lengths of the thread (16) at the tip and at the head (13) of the screw are smooth.  Each cutout defines a cutting tooth (24) which facilitates the driving of the screw into the workpiece. The recesses 22, 23 provide cavities for fibrous debris generated by the respective tooth (24). When the screw is in place, the teeth (24) are resiliently pressed axially toward the thread produced in the workpiece to reduce the loosening tendency of the installed screw. The disposition and size of the cutouts (19-21), is about three cutouts per one convolute so as not to unduly impede the torque strength of the screw.
Patent CA-2269518-C (CA)
Inventor: MATHRE OWEN B
IPC: C07C227/08
Filed: 1997-10-29
Granted: 2003-10-21
Abstract: Ce procédé, qui sert à la synthèse combinée de chlorure de choline et de bétaïne à partir d'acides monochloroacétiques, de triméthylamine et d'oxyde d'éthylène, consiste d'abord à faire réagir la triméthylamine avec l'acide monochloroacétique, et à faire réagir ensuite l'oxyde d'éthylène avec le produit de réaction obtenu à l'étape précédente.
Patent CA-2270396-C (CA)
Inventor: WEBER MARTIN
IPC: A61K9/127
Filed: 1997-11-03
Granted: 2008-03-11
Abstract: L'invention concerne des cytofectines cationiques et des liposomes comprenant lesdites cytofectines, qui permettent d'introduire des composés exogènes dans des cellules in vitro et in vivo. Le liposome peut comprendre: (a) un lipide neutre tel que la dioléoylphosphatidyléthanolamine (DOPE) ou des composés de type lipidique similaires, tels que la 1,2-dioléoyloxyphosphatidyléthanolamine ou d'autres structures de type lipidique, et (b) une ou plusieurs cytofectines cationiques décrites ici. L'invention concerne également des trousses de transfection et des méthodes de délivrance les comprenant.
Patent CA-2272742-C (CA)
Title: Cable semiconducting shield compositions
Inventor: CHI CHUNG DU LUKE
IPC: H01B1/24
Filed: 1999-05-25
Granted: 2006-09-12
Abstract: A cable comprising an electrical conductor or a core of electrical conductors surrounded by a moisture cured insulation layer, which is surrounded by, and contiguous with, a semiconducting layer, said semiconducting layer comprising:   (a) a copolymer of ethylene and an unsaturated ester selected from the group consisting of vinyl esters, acrylic acid esters, and methacrylic acid esters wherein the ester is present in the copolymer in an amount of about 20 to about 55 percent by weight;   (b) a conductive carbon black; and, optionally, (c) a copolymer of acrylonitrile and butadiene wherein the acrylonitrile is present in an amount of about 30 to about 60 percent by weight based on the weight of the copolymer or a silicone rubber; with the proviso that the polymeric component is partially crosslinked in an amount of about 15 to about 35 percent.
Patent CA-2273623-C (CA)
Title: Air mat
Inventor: MORIMOTO MIKIHIKO
IPC: A61G7/05
Filed: 1999-06-01
Granted: 2007-02-06
Abstract: A first and a second air cell units 2 and 3, respectively, are divided into their right and left air cells 2a, 3a, 2b and 3b, respectively, and central bent sections 2c and 3c. Each of the bent section 2c and 3c connects associated right and left air cells together at offset relationship in the direction of the mat length. The first and the second air cell units are alternately inflated and deflated, so that the air cells are inflated asymmetrically to thereby support a patient lying thereon at asymmetrical portions. The bent sections 2c and 3c are configured to gently deform the respective air cells so as to allow the bent sections to abut closely on the patient's back without a sense of incompatibility with the air cells. The air mat may thus provide well balanced and well distributed supporting forces for the patient, which is suitable for preventing decubitus of the patient.
Patent CA-2275140-C (CA)
Title: Multi-inlet mass spectrometer
Inventor: BATEMAN ROBERT HAROLD
IPC: H01J49/40
Filed: 1999-06-17
Granted: 2008-04-29
Abstract: An electrospray and/or APCI mass spectrometer has an evacuated chamber 8, a sampling region 7 where the pressure is greater than in said evacuated chamber 8, a sampling orifice 5 communicating between said sampling region 7 and said evacuated chamber 8, and a mass analyzer which. receives at least some charged particles along a first axis 37 through said sampling orifice 5 from said sampling region 7 into said evacuated chamber 8. A plurality of charged-particle jet generation means 1, 38-40 each of which is supplied with a fluid to be analyzed each generate a jet aligned with a jet axis 3; 45; 46; 47, of charged particles derived from said fluid, and are disposed so that each charged-particle jet generation means 1; 38-40 has a different jet axis 3; 45; 46; 47 and so that all said jet axes 3, 45-47 intersect said first axis 37 within said sampling region 7. Jet selecting means 4 comprising a hollow member 36 is disposed so that the intersections of said jet axis 3; 45; 46; 47 and said first axis 37 are within its interior, said hollow member 36 having at least a first aperture 49 alignable with said jet axis 3; 45; 46; 47 through which at least some charged particles comprised in a said charged-particle jet may enter the interior of said hollow member 36 and travel to said first axis 37. There is also means for aligning said first aperture 49 in said hollow member 36 with each said jet axis 3; 45; 46; 47 in turn, thereby allowing in turn at least some charged particles comprised in each said jet to enter the interior of said hollow member 36 to pass through said sampling orifice 5 to said evacuated chamber 8, and subsequently to be mass analyzed by said mass analyzer.
Patent CA-2275308-C (CA)
Inventor: ILLY ALOIS
IPC: G05D7/06
Filed: 1997-11-13
Granted: 2003-07-22
Abstract: L'invention concerne un appareil de robinetterie (1) pour la régulation du débit dans des conduites tubulaires, caractérisé en ce qu'au moins un détecteur (6) intégré dans un boîtier hydraulique détecte le débit et est connecté à une unité d'évaluation (15) ainsi qu'à une mémoire de données renfermant les caractéristiques de débit du boîtier correspondant.
Patent CA-2275635-C (CA)
Title: Pesticidal 1-arylpyrazoles
Inventor: PHILLIPS JENNIFER
IPC: A01P5/00
Filed: 1997-12-18
Granted: 2008-11-25
Abstract: The invention relates to 1-phenylpyrazole derivatives of formula (I), wherein R1, R2, R3, R4 and X are as defined in the description, and to their use as insecticides.
Patent CA-2279222-C (CA)
Title: Direct call threaded code
Inventor: DOOLE DOUGLAS J
IPC: G06F17/30
Filed: 1999-07-30
Granted: 2002-07-16
Abstract: A pre-pass and direct call mechanism which replaces the interpreter. The mechanism moves static decisions out of the repeated runtime path, info a pre-pass operation.      Advantageously, the mechanism reduces runtime overhead, and improves overall performance of the DBMS during runtime, while maintaining the considerable investment in opcode generation and plan representation, already invested in the implementation of the DBMS.
Patent CA-2282271-C (CA)
Inventor: RANTONEN MARKKU
IPC: F23K3/14
Filed: 1998-03-02
Granted: 2009-05-05
Abstract: Grate (1) comprises essentially concentrically set stationary and rotating unified grate rings (6a-d, 7a-c), which alternate from the centre outwards to the peripheral ring. Each grate ring is lower than the next ring further in and has a larger diameter than it, when the fuel fed from beneath to the centre of the grate flows over the grate rings while it burns to the peripheral ring, in which the ash drops through openings (30) arranged in it to an ashbox (5). The peripheral ring has stationary and circumferentially oriented moving units (15, 16), which are arranged in one extreme position to cover the entire peripheral ring and in the opposite extreme position to interlap in pairs on top of each other and form the aforesaid openings (30) between the interlapped pairs.
Patent CA-2292130-C (CA)
Title: Luminaire assembly
Inventor: BOYER JOHN
IPC: F21V19/04
Filed: 1999-12-08
Granted: 2008-02-19
Abstract: A luminaire assembly includes a ballast housing, a wiring box mounted on an upper end of the ballast housing, and an optical assembly mounted on a lower end of the ballast housing. The ballast housing preferably includes a pair of identically configured ballast housing members that are integrally formed from sheet metal and folded by hand prior to final assembly of the ballast housing. The wiring box includes bent tabs that pivotally support the ballast housing between operative and inoperative positions to simplify installation of the luminaire assembly at a site. A hook and rotatable connector are provided to support the wiring box from a luminaire support member. An optional spacer box is provided to space the ballast housing from the wiring box as may be required in certain high wattage applications. The optical assembly is supported below the ballast housing by a pair of support arms that depend from the ballast housing and releasably engage with the optical assembly. An optional lens is mounted to a lower end of the optical assembly that automatically pivots relative to the optical assembly upon a manual pulling force applied to the lens. Methods of making a luminaire assembly are also disclosed.
Patent CA-2292486-C (CA)
Inventor: BROWN PHILIP A
IPC: B66B3/00
Filed: 1999-12-17
Granted: 2007-04-17
Abstract: A detachable truck-mounted loading device for loading and unloading freight from an elevated storage compartment in a truck comprises a base, which is removably mountable on the floor of a truck storage compartment adjacent an access opening, and a lift mechanism movably mounted on the base for movement between extended and retracted positions, wherein the lift mechanism is positioned outside and inside the storage compartment, respectively. The lift mechanism has a vertically movable lift member and a drive mechanism that reciprocates the lift member upwardly and downwardly between raised and lowered positions, the lowered position generally being at ground level below the floor. The lift member extends outwardly through the storage compartment access opening so as to be vertically movable between its raised and lowered positions when the lift mechanism is in its extended position. The lift mechanism is positioned in its raised position inside the storage compartment when the lift mechanism is in its retracted position.
Patent CA-2294696-C (CA)
Title: Apparatus and method for aligning a horizontal metal extrusion press
Inventor: ETTINGER RAYMOND L JR
IPC: G01B11/27
Filed: 2000-01-11
Granted: 2003-08-12
Abstract: A laser apparatus and method for aligning a horizontal metal extrusion press. The apparatus comprises a scanning laser and scanning laser target, one or more spindle lasers and spindle laser targets, a data acquisition station and adapters for mounting the lasers and targets. The method comprises the steps of leveling and aligning the components of the horizontal extrusion press in parallel, square and aligned relationship with respect to each other. Alignments are preferably performed with the extrusion press at its operating temperature. The selections as to which press members are used for locating the lasers and targets are necessary requirements for proper alignment of the press members.
Patent CA-2296988-C (CA)
Inventor: RAJKUMAR AJAY
IPC: H01Q3/04
Filed: 2000-01-18
Granted: 2003-03-18
Abstract: The wireless communication system includes antennas having electrically controllable downtilt angles and downtilt controllers associated with each antenna. The downtilt controllers receive instructions from a main controller, and adjust the downtilt angles of the associated antennas in accordance with the received instructions.
Patent CA-2297636-C (CA)
Title: Process for preparing cyanoacetic esters
Inventor: HANSELMANN PAUL
IPC: C07B61/00
Filed: 2000-02-03
Granted: 2009-04-28
Abstract: Cyanoacetic esters of the general formula:     in which R is C1-10-alkyl, C3-10-alkenyl or aryl-C1-4-alkyl, are prepared by reaction of alkali metal cyanoacetates with the corresponding halides R-X, in which X is chlorine, bromine or iodine in an aqueous/organic two-phase system in the presence of a phase-transfer catalyst.
Patent CA-2309066-C (CA)
Inventor: RITTER RUDOLF
IPC: H04M15/00
Filed: 1997-11-07
Granted: 2008-05-20
Abstract: The SIM card (10) for users of a telecommunications network (2) contains at least one counter (1002), which is incremented when a resource (A--F) not responsible for the traffic process is used in the SIM card. An amount to be billed to the user is determined from the counter value. A billing record with the amount to be billed is prepared and transmitted to a billing center (42) in said telecommunications network (2).     The billed-for resource may be a software or hardware resource. The fee may be a license, traffic, or service fee. Moreover, the usage of a single resource may cause more than one counter to increment, for example a first counter for the license fees, a second counter for the traffic fees, and a third counter for the service fees.
Patent CA-2313180-C (CA)
Inventor: REHDER ROBERT HENRY
IPC: G01R31/34
Filed: 1999-09-21
Granted: 2008-04-01
Abstract: A method and apparatus for detecting motor contamination utilizes zero- sequence currents in a sensing coil to detect contamination. The detector includes a current transformer comprised of a magnetic core and a sensing coil wound about the core. A processor processes a sub-trip level current from the sensing coil to detect contamination. Three contamination detection methods, which may be used separately or in desired combination, are based on current trends, current leakage, and current clustering. An alarm is triggered when predetermined alarm criteria have been met.
Patent CA-2317374-C (CA)
Inventor: LANDOLL DONALD R
IPC: B60P1/43
Filed: 2000-09-05
Granted: 2004-11-23
Abstract: The trailer has a deck assembly that includes a level main deck portion and a tail hinged to the main deck for vertical swinging movement between a level transport position, a downwardly and rearwardly inclined ground-loading position, and an upwardly and rearwardly inclined dock-loading position. Raising and lowering of the tail between such positions is carried out by fore-and-aft movement of the shiftable undercarriage of the trailer, such undercarriage being located under the tail and generally behind the hinge when the trailer is in its roading position with the tail in its transport position. When the undercarriage is shifted forwardly beyond a lost motion segment of travel, the tail is allowed to progressively descend by gravity to its ground-loading position. Returning the undercarriage to its roading position beneath the tail causes the tail to be raised back to its transport position. If the tail is to be raised to dock height, the undercarriage is pulled forwardly until the forward termination of its lost motion segment of travel is reached, whereupon an air bag is actuated to elevate a lifting strut member into an enabled position in contacting engagement with the underside of the tail. Thereafter, rearward movement of the undercarriage causes the lifting strut member to push the tail upwardly to the dock-loading height and to hold the tail at such position. To lower the tail back to its transport height, the undercarriage is shifted forwardly and the air bag is deflated, lowering the strut member back to its disabled position and allowing the tail to become once again fully supported by the undercarriage. When the undercarriage is thereafter returned to its rearmost roading position, the trailer is ready for travel. Only one hydraulic cylinder is required for carrying out the tail actuation, together with an air bag actuator when raising of the tail to dock height.