baber/WOPTO huggingface dataset:
Patent CA-2277997-A1 (CA)
Inventor: TRANGSRUD JULIAN P
IPC: E03F5/02
Filed: 1997-03-13
Abstract: A base (12) for a manhole or catch basin structure having an embedded plastic canal-bed liner (10) and a corresponding hood (100). The plastic liner (10) has an annular, outwardly extending flange (30) which becomes embedded in a sidewall of the base (12) to form a unitary structure when the concrete is poured. The liner (10) is not subject to delamination from the canal-bed and includes bosses (60) for additional anchoring to the base. In an alternative preferred embodiment, a seal (42) and seal adapter (44) are provided. The adapter (44), in combination with an integral socket (18) of the canal-bed liner, restrains the seal (42) within a canal-bed sidewall opening (24). This combination also serves to conveniently position the seal at time of casting.  The canal-bed liner and hood serve to protect the concrete base and cone of the manhole from corrosive fluids, thus extending the useful life of the manhole structure.
Patent CA-2278968-A1 (CA)
Title: Wound irrigation device
Inventor: PHANEUF SIMON
IPC: A61B90/80
Filed: 1999-07-28
Abstract: A device for irrigating a wound with a fluid, comprises a syringe having an elongated hollow body defining a chamber adapted to contain the fluid, and a plunger movable within the body. An inlet passage and an outlet passage are each in fluid flow communication with the chamber, the inlet and outlet passages having respective free ends disposed adjacent to one another.      The device further includes valve means displaceable between open and closed positions thereof. When the valve means is in the open position, fluid is conveyable through the inlet passage and into the chamber in response to an outward displacement of the plunger within the body and, when the valve means is in the closed position, fluid discharged from the chamber, in response to an inward displacement of the plunger within the body, flows through the outlet passage for delivery onto the wound while being prevented by the valve means from flowing from the chamber through the inlet passage. Such a wound irrigation device is easy to use and rapid to operate.
Patent CA-2281094-A1 (CA)
Title: Method and apparatus for wireless communication employing aggregation for digital signals
Inventor: WALLERIUS JOHN WALKER
IPC: H04B7/04
Filed: 1998-02-11
Abstract: A communication system having a plurality of forward channel communications and a plurality of corresponding reverse channel communications from and to a plurality of mobile users. A plurality of collectors are distributed at macrodiverse locations for receiving reverse channel signals from the users. Each of the collectors includes micro-diversity receivers for receiving the reverse channel signals from users. The collectors process and forward the reverse channel signals to aggregators. The aggregators combine the reverse channel signals to yield a combined signal with fewer bit errors than occur in the absence of combining.
Patent CA-2281164-A1 (CA)
Inventor: ZHOU ZHIHONG
IPC: C09K17/14
Filed: 1999-08-27
Abstract: A soil stabilizing agent is comprised of an amount of a cationic surfactant, a stabilized soil is formed by the mixing of the soil and the stabilizing agent and a method for stabilizing soil is comprised of the steps of providing an amount of the cationic surfactant and applying the cationic surfactant to the soil.  Preferably, the cationic surfactant has the following structural formula: (see formula I) wherein R is selected from the group consisting of CH3, C6H5 and CH2-C6H5;  wherein R' is selected from the group consisting of CH3, C6H5, CH2-C6H5, an alkyl chain with at least 8 carbons and a hydrogenated tallowalkyl; wherein R" is selected from the group consisting of an alkyl chain with at least 8 carbons and a hydrogenated tallowalkyl; and wherein X- is an anion.
Patent CA-2284837-A1 (CA)
Title: Method and pdt probe for minimizing ct and mri image artifacts
Inventor: WISCOMBE BRENT
IPC: A61B19/00
Filed: 1998-04-06
Abstract: An implantable probe (100) having a non-metallic insulating base (126), non-metallic conductive traces (104, 106) supported by the base (126), and a plurality of non-metallic light sources supported by the base (126) and coupled to the conductive traces (104, 106). The conductive traces (104, 106) and the light sources are fabricated from the conductive polymer, which does not cause any artifacts if the implantable probe (100) includes an enclosure (102) that is transparent and hermetically encloses the base (126), the pair of conductive traces (104, 106), and the light sources. At least a portion of the enclosure (102) is optically transparent, enabling light emitted by the light sources to illuminate an adjacent treatment site. The conductive traces (104, 106) and the base (126) are substantially flexible, enabling the probe (100) to advance within the body to the treatment site. A non-metallic receiver coil (200) implanted in a patient's body is energized by inductively coupling it to an external transmitter coil (220). The current from the receiver coil (200) is conveyed to the implantable probe (100) through non-metallic leads (112, 114).
Patent CA-2285082-A1 (CA)
Inventor: FRERIKS JAN
IPC: C08G73/06
Filed: 1998-03-23
Abstract: Polymeric amines that have N-substituted 2,5-pyrrolediyl groups incorporated in the backbone wherein the N-substituted 2,5-pyrrolediyl group may be represented by general formula (I), wherein R independently represents a hydrogen atom or a hydrocarbyl group and wherein B represents the substituent containing at least one primary amino group.
Patent CA-2285135-A1 (CA)
Inventor: RAPIER LAWRENCE
IPC: E04B2/74
Filed: 1999-10-05
Abstract: An electrical raceway assembly for use with a structure is provided, comprising an elongated raceway engageable to the structure and having a length, a transverse base and a pair of opposite upstanding sidewalk extending along the length to define at least one channel configured for retaining electrical wires. A cover attachable to the raceway to occlude a portion of the channel is included. The cover includes an elongated face plate having an interior surface and an exterior surface. The cover is configured for snap fit engagement with the raceway. One end of the cover is rotatable, about a longitudinal axis of the raceway, between an open position in which a portion of a channel of the raceway is exposed and a closed position in which the other end of the cover is engaged to the raceway. A flange extends from one of the portions of the cover. The flange is relatively more flexible other elements of the cover and occludes an area behind the flange when the cover is attached to the raceway and the flange being elastically deformable to allow access to the area. In one embodiment, a living hinge is defined in the cover between the face plate and the rotatable end of the cover. The living hinge is elastically deformable to permit pivoting of the face plate relative to the rotatable end of the cover, thereby permitting greater access behind the cover.
Patent CA-2285784-A1 (CA)
Title: Drywall-trimming assembly resisting butt-edge separation
Inventor: KOENIG JOSEPH M JR
IPC: E04F21/165
Filed: 1999-10-08
Abstract: A drywall-trimming assembly comprises a drywall edge-trimming strip extruded from polyvinyl chloride and a drywall corner-trimming device molded from acrylonitrile-butadiene-styrene. The drywall corner-trimming device has a projecting tab, which fits under an end portion of the drywall edge-trimming strip so that an outer surface of the projecting tab faces an inner surface of the end portion of the drywall edge-trimming strip. The projecting tab has a pattern of alternating ridges and grooves, which extend between the lateral edges of the projecting tab. An adhesive of a type that adheres comparatively less strongly to a unit of surface area of the outer surface of the projecting tab and that adheres comparatively more strongly to a unit of surface area of the inner surface of the end portion of the drywall edge-trimming strip is used for adhering the outer surface of the projecting tab to the inner surface of the end portion of the drywall edge-trimming strip. The inner surface of the end portion of the drywall edge-trimming strip is smooth on a macroscopic scale while the outer surface of the projecting tab has surface features causing the projecting tab to have a surface area that significantly exceeds the surface area that the outer surface of the projecting tab would have if smooth on a macroscopic scale.
Patent CA-2286348-A1 (CA)
Inventor: SMITH JOHN M
IPC: C12Q1/68
Filed: 1998-04-09
Abstract: L'invention a trait à des compositions et aux méthodes afférentes permettant de déceler un carcinome mammaire et de le traiter. Les composés de l'invention comportent des séquences nucléotidiques exprimées, de préférence, dans le tissu de la tumeur mammaire, ainsi que des polypeptides codés par ces séquences nucléotidiques. Elle concerne également des vaccins et des compositions pharmaceutiques renfermant ces composés et que l'on utilisera aux fins de la prophylaxie et de la thérapie du carcinome mammaire. Il est également possible d'utiliser ces polypeptides pour la production d'anticorps, utiles en matière de diagnostic et s'agissant de surveiller la progression du carcinome mammaire chez une patiente.
Patent CA-2286867-A1 (CA)
Title: Combinatorial libraries of peptidomimetic macrocycles and processes therefor
Inventor: MENDEL DAVID
IPC: C07D513/04
Filed: 1998-04-08
Abstract: The present invention relates to a novel diverse library of peptidomimetic macrocyclic compounds, processes for the preparation thereof, and to apparatus providing a readily accessible source of individual members of the library. The apparatus can be used in assay kits and as a replaceable element in automated assay machines.
Patent CA-2287838-A1 (CA)
Title: Radionuclide associated with nucleotide polyphosphate as tumor imaging agents
Inventor: ELMALEH DAVID R
IPC: A61K51/00
Filed: 1998-04-30
Abstract: The invention provides tumor imaging agents comprising a radionuclide in association with a nucleotide polyphosphate targeting molecule. Methods for using the tumor imaging agents and kits containing the tumor imaging agents or components suitable for production of the tumor imaging agents are also provided.
Patent CA-2288916-A1 (CA)
Title: Telephone line-powered power supply for ancillary equipment and method of operation thereof
Inventor: COMERFORD TIMOTHY NOONAN
IPC: H04M19/08
Filed: 1999-11-04
Abstract: A telephone line-powered power supply, a method of operating the same and telephone line-powered ancillary equipment. In one embodiment, the power supply includes: (1) a transformer having a primary winding and a secondary winding and (2) an energy storage device (which may, but is not required to, be a capacitor) series-coupled to the primary winding, the primary winding and the energy storage device adapted to be coupled to, and provide a terminating resistance for, a telephone line. A node between the primary winding and the energy storage device provides DC power.      Another embodiment employs a control switch to regulate an energy storage device, thereby dispensing with a need for the transformer.
Patent CA-2289204-A1 (CA)
Title: Synthesis of oligonucleotides
Inventor: NILSSON MATS
IPC: C12Q1/6834
Filed: 1998-05-14
Abstract: A method of preparing an immobilized oligonucleotide having a free 3'-end comprises the steps of: i) preparing an oligonucleotide attached in a first position to a solid support via its 3'-end and having a free 5'-end; ii) binding said oligonucleotide in a second position remote from the 3'-end to the solid support; and iii) selectively releasing the 3'-end of the oligonucleotide from the solid support to obtain the oligonucleotide attached to the support in said second position in a reversed orientation with a free 3'-end.
Patent CA-2289804-A1 (CA)
Inventor: GLOVER MICHAEL
IPC: E06B3/66
Filed: 1999-11-06
Abstract: A sealed glazing unit simulating the appearance of a traditional divided-lite window has spaced apart parallel co-extensive glazing sheets interconnected by a peripheral seal. Muntin grid elements are located on at least two surfaces of the glazing sheets in mutually aligned registration, the elements being of a width sufficient to create a visual illusion of solid muntin bars within the glazing sheet cavity. Each of the muntin grid elements has on one side a relatively dark shade facing interiorly of the glazing unit and in the opposite side a relatively light shade facing exteriorly of the glazing unit, the combination of these shades creating the visual appearance of solid muntin bars within the cavity. Muntin grid elements within the glazing unit are preferably in the form of strips of plastic material adhered to the cavity glass surfaces, whereas muntin grid elements on the exterior surfaces of the unit can alternatively be formed as relatively thick members e.g. of wood, or of hollow aluminum or plastic.
Patent CA-2292184-A1 (CA)
Inventor: SOLOMON DONALD D
IPC: A61L27/18
Filed: 1999-12-06
Abstract: A medical implant, tubing and method to provide enhanced X-ray detection intensity in catheters, stents, vascular grafts or other tubular implants. In one aspect the medical implant includes a visually transparent radiopaque polymer and a filler material having a radiopaque component.
Patent CA-2293671-A1 (CA)
Inventor: RHODES DAVID BRIAN
IPC: H04W84/08
Filed: 1998-06-10
Abstract: On décrit un système de radiocommunication qui comprend une série de groupes de radiocommunication. Chaque groupe de radiocommunication comprend un certain nombre d'émetteurs-récepteurs individuels pouvant communiquer les uns avec les autres sur un canal parmi une série de canaux de communication discrets ponctuellement affectés audit groupe de radiocommunication par une unité de commande. Cette unité de commande identifie un canal de communication (le canal actif) actuellement au repos et l'utilise pour transmettre un signal "canal libre". Un émetteur-récepteur voulant communiquer avec les autres émetteurs-récepteurs dans le même groupe de radiocommunication commence sa transmission sur le canal actif et, en réponse à cette transmission, l'unité de commande affecte ce canal actif au groupe de radiocommunication respectif, ce qui permet à tous les émetteurs-récepteurs du groupe d'y communiquer les uns avec les autres.
Patent CA-2295153-A1 (CA)
Inventor: BEIGHT DOUGLAS WADE
IPC: A61P7/02
Filed: 1998-06-26
Abstract: L'invention concerne un composé représenté par la formule I (ou un promédicament de celui-ci, ou un sel pharmaceutiquement acceptable du composé ou d'un promédicament de celui-ci) telle qu'elle est définie dans la description; des compositions pharmaceutiques contenant le composé; l'utilisation du composé comme inhibiteur de facteur Xa; et un procédé de préparation du composé et de produits intermédiaires utiles à cet effet.
Patent CA-2296213-A1 (CA)
Title: Distributed subscriber management
Inventor: SKEMER TERRY
IPC: H04L29/06
Filed: 2000-01-14
Abstract: A Distributed Subscriber Management system is disclosed which controls access to a network preventing unauthorized traffic through the access network and providing centralized access control between User Networks. The system in accordance with the invention provides controlled access through the use of one of several technologies including user authentication, using PAP, CHAP, RADIUS, TACACS+, or other standard authentication means. The preferred system allows setup maintenance, and tear- down of the user connection and allows users to choose their destination as opposed to tying a user to a single destination. The system also preferably provides for the administration of the assignment and release of network addresses. The invention also provides a Distributed Subscriber Management (DSM) method for performing user authentication for an external network at an access control node, which external network is connected to the access control node by means of an Access Network while the access control node is connected to a plurality of User Networks. The method includes the steps of receiving a connection request from a user located on one of the User Networks; interrogating the user for userid and password information; encrypting the userid and password information; transmitting the encrypted information, via the Access network, to an authentication server attached to one of a plurality of external networks; decrypting the information at the authentication server; and transmitting an authentication message from the authentication server of the external network to the access control node via the Access Network. The preferred method includes the additional step of challenging all data leaving the access control node. The authentication server of the external network normally employs one of Radius, PAP, CHAP, and TACACS or TACACS+.
Patent CA-2297884-A1 (CA)
Inventor: WHITT JAMES W
IPC: B60Q1/38
Filed: 2000-02-03
Abstract: A daytime running light circuit (10) is disclosed which utilizes the turn signals (14, 16) of a vehicle (12). Power is provided during daytime to light the lamps in the turn signals (14, 16) until either the left or right hand turn signal is activated in a conventional turn signal circuit. When a turn signal is activated, a switching relay (28, 46) switches the selected turn signal from continuous operation to operation through the conventional turn signal circuit. A holding relay (70, 96) using a capacitor (66, 92) holds the holding relay in a position for turn signal operation.
Patent CA-2297997-A1 (CA)
Inventor: ROUSSEAU VINCENT
IPC: B60N2/75
Filed: 2000-02-03
Abstract: This assembly is an armrest and a joystick support for use by a heavy machinery operator. The assembly includes a bracket secured to the backrest, on the side and above the operator's seat, a straight bar extending forwardly from the bracket, a first connector assembly including a universal joint for connecting the rear end of said bar of the bracket and a joystick support connected to the front end of the bar through a second connector assembly including a universal joint, The armrest is supported above the intermediate portion of the bar through a third connector assembly including a sleeve and a pair of upright elongated plates with longitudinal slots enabling adjustment of the armrest height above the bar and the adjustment of the armrest forwardly of the bracket. With this system, the operator can first adjust the position of the joystick along X,Y,Z axes to suit his arm and hand with respect to the joystick and then adjust the position of the armrest accordingly. The assembly can resist heavy shocks without becoming maladjusted, and is therefore particularly suited for forest machinery.
Patent CA-2298417-A1 (CA)
Title: Nitrite additives for nonaqueous electrolyte rechargeable cells
Inventor: GAN HONG
IPC: H01M6/16
Filed: 2000-02-14
Abstract: A lithium ion electrochemical cell having high charge/discharge capacity, long cycle life and exhibiting a reduced first cycle irreversible capacity, is described. The stated benefits are realized by the addition of at least one nitrite additive to an electrolyte comprising an alkali metal salt dissolved in a solvent mixture that includes ethylene carbonate, dimethyl carbonate, ethylmethyl carbonate and diethyl carbonate. The preferred additive is an alkyl nitrite compound.
Patent CA-2300255-A1 (CA)
Title: Power system time synchronization device and method for sequence of event recording
Inventor: VAN DOORN PETER M
IPC: G06F1/14
Filed: 2000-03-06
Abstract: The invention relates to the field of power distribution systems and more particularly to power monitors within such a system. A time synchronization device and method for synchronizing an internal clock of the power monitor to a periodically stable frequency is provided. Cycles of the periodically stable frequency are counted after each elapse of a predetermined time period. The elapse of the predetermined time period defines a present window and a previous window. A counting error and a change in counting error are calculated, wherein the change in counting error is the difference of a counting error calculated for the present window and a counting error calculated for the previous window. The present method detects when a change in counting error is within a predetermined range. When the counting error is within the predetermined range, the internal clock of the power monitor is adjusted to the line frequency according to the counting error calculated for the present window.
Patent CA-2303779-A1 (CA)
Title: Fluid separation system
Inventor: LINGA HARALD
IPC: B01J19/26
Filed: 1998-09-14
Abstract: A method of removing acid gas components from a gas mixture. The method comprises bringing the gas mixture into contact with a liquid solvent or reagent for the acid gases in a first turbulent contactor and subjecting the gas mixture and liquid to turbulent mixing conditions.  This causes the acid gas to be absorbed by the solvent or reagent. The fluid mixture is passed into a second turbulent contactor and subjected to further turbulent mixing conditions causing further acid gas to be absorbed by the solvent or reagent. Optionally the fluid mixture is separated into a gas phase and liquid phase.
Patent CA-2304916-A1 (CA)
Inventor: BERTOLO UMBERTO
IPC: B65B69/00
Filed: 2000-04-07
Abstract: An apparatus for discharging a flowable material from a container having a discharge duct comprises support means for supporting the container, preferably in the form of a conical hopper having a central aperture, a clamping enclosure extending downwardly from the hopper, a discharge duct having its mouth located inside the enclosure and facing upwardly towards the aperture in the hopper, and an annular clamping ring inside the enclosure, the ring being movable so as to clamp the spout of the container against the mouth of the discharge duct. Preferably, the enclosure is substantially sealed, with reclosable access openings provided in a front wall of the enclosure through which the spout of the container can be manually handled.  The enclosure is also provided with vacuum means to create a negative pressure in the enclosure and therefore prevent release of the contents of the container into the atmosphere.
Patent CA-2306673-A1 (CA)
Inventor: LALLIER JEAN-PIERRE
IPC: G03F7/42
Filed: 2000-04-25
Abstract: A photoresist stripping composition, consisting of dimethyl sulfoxide or n-methyl pyrrolidone and 3-methoxy propylamine, is A novel photoresist stripping composition consists of (by wt.) 30-95% dimethyl sulfoxide (DMSO) or n-methyl pyrrolidone (NM and 70-5% 3-methoxy propylamine (MOPA).
Patent CA-2307752-A1 (CA)
Title: Drawing frame for plastic sheath and machine comprising same
Inventor: RETAILLAUD JEAN-CLAUDE
IPC: A01F25/14
Filed: 1998-10-29
Abstract: The invention concerns a drawing frame comprising, starting from a main frame (1), a sliding frame consisting of several actuators (20, 22, 23) arranged in a straight position on the means drawing the sheath (5). The various actuators (20, 22, 23) are guided by means of slide rails (13, 14) and in particular by a pair of dihedral structures (7) for example, comprising beams (10, 12) and slides mobile by the effect of the various actuators. Said drawing frame can advantageously be installed on a machine used for making silos, for sheathing fodder bales for example.
Patent CA-2307905-A1 (CA)
Title: 3-aminoalkylamino-2h-1,4-benzoxazines and 3-aminoalkylamino- 2h-1,4-benzothiazines: dopamine receptor subtype specific ligands
Inventor: HE XIAO-SHU
IPC: A61P25/16
Filed: 1998-10-28
Abstract: Disclosed are compounds of formula (I) or the pharmaceutically acceptable acid addition salts thereof, wherein: Ar represents aryl or heteroaryl; R1 and R2 are the same or different and represent organic or inorganic substituents; R5 is hydrogen or C1-C6 alkyl; W represents CH or nitrogen; X is oxygen or sulfur; and A represents an alkylene group, which compounds bind selectively with high affinity to the dopamine D4 receptor subtype and are therefore of use in treatment of various neuropsychological disorders.