baber/WOPTO huggingface dataset:
Patent CA-2332638-A1 (CA)
Title: Visualisation de reactions catalysees par des enzymes utilisant des indicateurs de ph: criblage rapide de bibliotheques d'hydrolases pour detecter des enzymes enantioselectives
Inventor: MORIS-VARAS FRANCISCO
IPC: C12N15/10
Filed: 1999-07-07
Abstract: Cette invention propose l'utilisation d'indicateurs de pH pour surveiller des réactions catalysées par des enzymes. La formation d'acide suivant une réaction enzymatique, telle que l'hydrolyse, entraîne une baisse du pH qui peut être visualisée par le changement de couleur de la solution contenant l'indicateur. Les indicateurs préférés sont ceux qui montrent une transition de couleur dans la plage de pH opérationnelle de l'enzyme. En utilisant le système proposé par cette invention, on peut évaluer l'énantiosélectivité d'enzymes, telles que des lipases et des estérases, en utilisant des isomères simples dans les mêmes conditions et en comparant le changement de couleur pour chacun d'eux. Ce procédé peut également s'appliquer au criblage hiérarchique d'une bibliothèque d'enzymes.
Patent CA-2332757-A1 (CA)
Inventor: WU HUI
IPC: H01P1/203
Filed: 2001-01-30
Abstract: A bandpass planar filter (110) comprises a signal input and a signal output (116), and one or more resonator elements (112, 114) coupled serially end-to-end between the input and the output across gaps (118) that separate the elements from the input, the output, and from each other. The resonator elements form a serpentine shape such that at least two portions of the serpentine shape are positioned side-by-side parallel to each other separated by a spacing (120). The side-by-side portions effect additional coupling between the resonator elements that forms a notch (transmission zero) (204) in the passband (200) of the filter. The input, output, and resonator elements are etched into one surface (106) of a PC board (102); the other surface (104) of the PC board forms a ground plane of the filter, and the substrate (103) of the PC board forms a dielectric of the filter.
Patent CA-2333334-A1 (CA)
Inventor: SANKA RAVI S
IPC: B65G1/137
Filed: 2001-01-31
Abstract: An automated storage and order filling apparatus and method for operating the same are disclosed for handling products with minimal handling and human interven-tion. The apparatus includes an in-feed conveyor system, an out-feed conveyor sys-tem, a plurality of moveable storage racks having individually addressable storage loca-tions, a robotic arm for removing products from the in-feed conveyor and placing prod-ucts in the storage racks and on the out-feed conveyor, a reader and a computer proc-essing system for controlling the aforementioned devices. The computer processing system is preferably programmed to assign a priority to each product received from the in-feed conveyor. The priority of the product determines where the apparatus will place the product in the storage racks. After a customer order is received, the apparatus will pick a selection of the stored products in accordance with the order.
Patent CA-2333651-A1 (CA)
Title: Hybrid stamping die
Inventor: EDMONDSON BRIAN
IPC: B30B15/02
Filed: 1999-05-27
Abstract: A stamping die includes a substrate stamping surface comprising a base matrix of open structure having a coating of elastomeric material applied thereon. The resulting surface is a composite comprising predominantly elastomer having matrix protruding through the elastomer in places.
Patent CA-2335289-A1 (CA)
Title: Fiber-optic compensation for dispersion, gain tilt, and band pump nonlinearity
Inventor: ISLAM MOHAMMED AZIZUL
IPC: H01S3/067
Filed: 1999-06-16
Abstract: An apparatus and method are described for combining optical amplification and dispersion compensation in a Raman ampli-fier. A Dispersion-Managing Raman Am-plifier (DMRA) combines Raman amplification with dispersion compensation by select-ing the length and dispersion of the gain fiber to balance the dispersion of the link. This gain fiber is also single-mode at the signal and pump wavelengths. The pumping level is adjusted to balance the losses from the gain fiber and transmission link, while the pumping configuration is selected to remain within the 3dB loss length for the pumping light. When the amplifier is split into two segments, the two segments may be joined by an isolator, a gain equalization element, and/or an optical add/drop multiplexer. For WDM transmission systems based on dispersion-shifted fiber (DSF), operation in the "vi-olet band" between 1430-1530 nm is based on Raman amplification. By using a DMRA, a dispersion and nonlinearity managed system can be implemented. In particular, 4WM does not phase match in such a system, and modulation instability is absent in the transmission link. Furthermore, gain equalization can be added to the DMRA by cascading one or two Mach-Zehnder frequency filters. The invention also includes a method for symmetrically adding channels below and above the C-band, the gain tilt within the C-band can be minimized.  Therefore, a roughly equal number of channels should be placed in the short-wavelength S-band and the long-wavelength L-band to minimize the Raman energy exchange in the C-band. Also, whereas C- and L-bands can be amplified using erbium-doped fiber amplifiers, the S-band can use either discrete or distributed Raman amplifiers. To minimize the interaction between pumps for different bands, alternate band pumps can be spatially dispersed and/or cross-polarized. The distributed Raman amplification can be achieved by pumping the transmission line with discrete laser diodes or by a Raman oscillator.
Patent CA-2335664-A1 (CA)
Title: Production of polyurethane foams
Inventor: LUTTER HEINZ-DIETER
IPC: C08G18/40
Filed: 2001-02-12
Abstract: In a process for producing polyurethane foams by reacting isocyanates with compounds having at least two hydrogen atoms which are reactive toward isocyanate groups, the isocyanates used are (cyclo)aliphatic isocyanates and the reaction is carried out in the presence of substances which effect framework formation in the polyurethane foam.
Patent CA-2343279-A1 (CA)
Title: Scanning confocal optical microscope system
Inventor: AMOS WILLIAM BRADSHAW
IPC: G02B21/18
Filed: 1999-07-15
Abstract: A confocal scanning optical microscope system wherein a dispersive optical device such as a prism (28) separates an image from a restricted area of a specimen into a spread of images of differing wavelengths. Different parts of the spread of images are focussed at respective beam-limiting apertures (34, 36) which are conjugate with one another, and the spectrally differing beams passing through the beam-limiting apertures pass to respective detectors (35, 37).
Patent CA-2344371-A1 (CA)
Title: Solutions solides de pigments monoazo
Inventor: HAY BARRY WILLIAM
IPC: C08K5/23
Filed: 1999-10-19
Abstract: L'invention concerne des solutions solides de pigments monoazo comprenant un réseau hôte et au moins un matériau invité, le réseau hôte étant un matériau ayant la formule générale (I) ou (II). Dans la formule (I), R?1¿ = H, CO¿2??-¿ ou CO¿2?R, où R peut être phényle qui peut être substitué une à trois fois avec les substituants suivants: alkyle C¿1?-C¿4?, alcoxy C¿1?-C¿4?, halogène, NO¿2? ouHC(O)CH¿3?, R?2¿, R?3¿, R?4¿, R?5¿ et R?6¿, indépendamment les uns des autres, peuvent être alkyle C¿1?-C¿20?, alcoxy C¿1?-C¿20?, alcényle C¿1?-C¿20?, alkylthiol C¿1?-C¿20?, alkoxycarbonyl C¿1?-C¿20?, hydroxyalcoxy C¿1?-C¿4?, phényle, benzyle, phénylthio, halogène, -CN, -NO¿2?, -CF¿3?, -COR?7¿, -COOR?7¿, -CONR?7¿R?8¿, -SO¿2?R?7¿, -SO¿2?NR?7¿R?8¿, -NR?7¿NR?8¿ ou bien R¿2?, où R?7¿ et R?8¿ sont chacun indépendamment H, alkyle C¿1?-C¿4? ou phényle; M?2+¿ est un cation de métal alcalino-terreux ou bien Mn?2+¿. Dans la formule (II), R?9¿ représente alkyle C¿1?-C¿20?, alcoxy C¿1?-C¿20?, alcényle C¿1?-C¿20?, alkylthiol C¿1?-C¿20?, alcoxycarbonyle C¿1?-C¿20?, hydroxyalcoxy C¿1?-C¿20?, phényle, benzyle, phénylthio, halogène, -CN, -NO¿2?, -CF¿3?, -COR?7¿, -COOR?7¿, -CONR?7¿R?8¿, -SO¿2?R?7¿, -SO¿2?NR?7¿R?8¿, -NR?7¿NR?8¿ ou -OR¿2?, où R?7¿ et R?8¿ sont chacun indépendamment H, alkyle C¿1?-C¿4? ou phényle. Le ou les matériaux invités ont les mêmes formules générales que leurs hôtes respectifs à condition qu'ils présentent en au moins une position une structure moléculaire différente de celle de leurs hôtes respectifs. L'invention concerne également des compositions renfermant les solutions solides décrites, ainsi que leurs utilisations.
Patent CA-2345551-A1 (CA)
Inventor: LOPEZ MARGARITO
IPC: C08F4/642
Filed: 2001-04-27
Abstract: The invention provides a metallocene catalyst for use in preparing polyolefins having low molecular weight. The catalyst comprises a bridged metallocene in which one of the cyclopentadienyl rings is substituted in a substantially different manner from the other ring. The catalyst comprises a metallocene compound generally described by the formula R" (C5R4) (R'2C5C4R'4)MeQ p wherein (C5R4) is a substituted cyclopentadienyl ring; (R'2C5C4R'4n) is an indenyl ring or substituted indenyl ring; each R and R' is hydrogen or hydrocarbyl radical having from 1-20 carbon atoms, a halogen, an alkoxy, and alkoxy alkyl or an alkylamino radical, each R and R' may be the same or different; (C5R4) has one R substituent in a distal position which is at least as bulky as a t-butyl radical; R" is a structural bridge between the (C5R4) and (R'2C5C4R'4) rings to impart stereorigidity; Q is a hydrocarbyl radical, such as an alkyl, aryl, alkenyl, alkylaryl or arylalkyl radical having 1-20 carbon atoms or is a halogen; Me is a Group IIIB, IVB, VB, or VIB metal as positioned in the Periodic Table of Elements; and p is the valence of Me minus 2. This catalyst produces a crystalline or atactic polymer with a low molecular weight and narrow or broad molecular weight distribution depending upon the isomer(s) used in polymerization. A single threo-isomer produces isotactic polypropylene and a single erythro-isomer produces atactic polypropylene, both polymers having narrow molecular weight distribution. When the bridge between the substituted cyclopentadienyl and the indenyl rings is substituted such that four diastereomers are possible, the threo-isomers produce isotactic polypropylene with broad molecular weight distribution.
Patent CA-2346168-A1 (CA)
Inventor: HAATAJA BRUCE A
IPC: B32B3/30
Filed: 2001-05-02
Abstract: Mold apparatus and method of production of molded wood strand products having relatively narrow projections, such as channels, by inserting binder coated implants into projection forming voids in the mold cavity used to form the product.
Patent CA-2346805-A1 (CA)
Title: Procede de protection des couleurs de tissus
Inventor: TRINH TOAN
IPC: D06M101/16
Filed: 1999-10-22
Abstract: La présente invention se rapporte à des procédés de protection des couleurs de tissus visant à restituer et/ou rafraîchir les couleurs d'un tissu usé et défraîchi. Un tel procédé consiste à appliquer sur le tissu une composition de protection des couleurs comportant des polymères solubles dans l'eau et/ou dispersibles dans l'eau, un tensioactif pouvant former une structure bicouche et des mélanges de tels composés. Ladite composition peut éventuellement contenir d'autres composants conférant d'autres caractéristiques avantageuses de protection des tissus, et/ou améliorant les performances et l'aptitude à la formulation. On applique cette composition de préférence sous forme de gouttelettes de faible calibre, notamment au moyen d'un pulvérisateur, de préférence associé à un ensemble d'instructions d'utilisation.
Patent CA-2347589-A1 (CA)
Inventor: SHIRAKI KAZUYUKI
IPC: H01R12/70
Filed: 2001-05-15
Abstract: A connector housing (1) of a connector (1) is constituted by a lower housing (7), which is mounted on a printed circuit board (2) , and an upper housing (8) connected to the lower housing (7) in such a manner as to be able to perform shifting movement with respect the housing (7). Further, terminals (6) are provided in such a way as to penetrate through a partitioning wall portion (8a) of the upper housing (8) and through a connecting block portion (7b) of the lower housing (7). At that time, tapered holes (7d) are provided in the connecting block portion (7b) . The terminals (6) are maintained in a state in which a bending deformation thereof caused by the shifting movement of the upper housing (8) is allowed. Consequently, when the connector (1) is connected to the mating connector (3), the connectors (1, 3) can be connected to each other by performing the shifting movement of the upper housing (8) thereby to concurrently absorb the positional displacement therebetween. Moreover, occurrences of problems, such as breakage and bend of the terminals (6) at that time, are prevented,
Patent CA-2347886-A1 (CA)
Inventor: BLONSKI ROBERT P
IPC: C09D7/62
Filed: 1999-10-22
Abstract: L'invention concerne de nouvelles solutions solides de structure cristalline corindon-hématite, qui servent de pigments de couleur inorganiques. Les solutions solides selon l'invention comprennent un composant hôte de structure cristalline corindon-hématite, qui contient, en tant que composants occupants, un ou plusieurs éléments sélectionnés dans le groupe composé d'aluminium, d'antimoine, de bismuth, de bore, de chrome, de cobalt, de gallium, d'indium, de fer, de lanthane, de lithium, de magnésium, de manganèse, de molybdène, de néodyme, de nickel, de niobium, de silicium, d'étain, de titane, de vanadium, et de zinc. Les solutions solides de l'invention sont formées par mélange homogène de composants, généralement des oxydes métalliques ou des précurseurs de ces derniers, qui contiennent les composants hôtes et occupants, puis par calcination des composants, de sorte que ces solutions solides présentent une structure cristalline corindon-hématite. Certaines des nouvelles solutions solides selon l'invention présentent des valeurs Y trichromatiques CIE relativement basses et une réflectance dans le proche infrarouge relativement élevée.
Patent CA-2348158-A1 (CA)
Title: Modified adenoviral fibre and uses thereof
Inventor: LEGRAND VALERIE
IPC: A61K48/00
Filed: 2000-08-25
Abstract: The invention concerns a modified adenoviral fibre comprising at least one mutation at the level of one or several residues included in the region of said fibre extending from layer A to layer B and including the loop AB.
Patent CA-2349598-A1 (CA)
Title: Lecteur de disque, son procede de production, et controleur de lecteur de disque
Inventor: OKADA KENJI
IPC: G11B21/08
Filed: 1999-05-10
Abstract: La présente invention concerne un lecteur de disque, son procédé de production, et un contrôleur de lecteur de disque obtenus avec une légère augmentation de coût et un meilleur rendement. Une HDLC (20) localise la position actuelle d'une tête de lecture (2) pour entamer sa poursuite après contrôle, sur la base de la puissance de reproduction d'un servo-secteur de canal (5). De plus, cette HDLC calcule les données de servocommande en utilisant un paramètre d'intégration correspondant à la poursuite de la cible lue et mémorisée dans une mémoire RAM (1), et à la position actuelle de la tête de lecture (2).
Patent CA-2351441-A1 (CA)
Inventor: OESTREICH STEFAN
IPC: H03M13/23
Filed: 1999-11-19
Abstract: L'invention concerne l'utilisation de codes de convolution systématiques récursifs (codes RSC) pour le codage de canal dans un système de radiocommunication mobile GSM. Au contraire des techniques actuelles, ces codes RSC peuvent aussi être utilisés avec le matériel prévu pour les systèmes GSM existants. Ils peuvent être introduits dans le cadre de l'introduction d'un codeur à débit variable (AMR).
Patent CA-2354827-A1 (CA)
Inventor: DUMONTET RONALD
IPC: A47F1/12
Filed: 2001-08-06
Abstract: Un dispositif permettant d'avancer de façon simple et efficace des articles disposés sur une tablette tels que des boites de conserve, de façon à faciliter leur étalage frontal. Ce dispositif comprend des tiges de positionnement reposant sur la tablette parallèlement à l'arête frontale de celle-ci. II comprend aussi deux rails latéraux parallèl es servant de support aux articles et un rail central supportant une tirette et un appui mobile. Les rails latéraux et le rail central sont perpendiculaires à l'arête frontale de la tablette et fixés aux tiges de positionnement de préférence au moyen d'un système d'insertion par pression, ce qui permet d'ajuster leur espacement en fonction de la taille d es articles. L'appui mobile est situé à l'extrémité arrière de la tirette. II s'étend verticalement et permet de rapprocher les articles vers le devant de la tablette lorsque la tirette est actionnée.
Patent CA-2355303-A1 (CA)
Title: An apparatus and method for verifying the material properties of a plug valve sealing element
Inventor: SMITH GORDON M
IPC: F16K51/00
Filed: 2000-10-16
Abstract: A method to test a plug valve seal by embedding a test coupon into the face of the slip. Even the heat energy is averaged by placing the test coupon at the midsection of the slip. During the bond adhesive application all applicable surfaces have the same adhesive applied during the same time frame in the same environment (except under test coupon tab which shall be prevented from adhering mechanically or chemically). The elastomer prepared for the seal groove is identical and is prepared in the same batch as that for the test coupon and all installed with the same tackifying agent by the same individual. The seal cross-section is the same as the test section of the seal test coupon. The post cure is next completed equally on seal and test coupon.  After cool down occurs, the test coupon test tab (which was prevented from adhering mechanically or chemically earlier) is released and placed into a pull tab fixture and a varying known load is applied. The elongation is monitored and a stress/strain curve can be generated, verifying material properties. Further pulled to failure, the seal groove adhesion is verified.  The removed test tab can then be compression set tested and a variety of other tests can be performed. Material and performance certifications can be generated for each slip seal.
Patent CA-2356255-A1 (CA)
Inventor: SIBBESEN OLE
IPC: A23L7/104
Filed: 1999-12-17
Abstract: L'invention concerne un inhibiteur d'endo-.beta.-1,4-xylanase ainsi que des xylanases.
Patent CA-2359468-A1 (CA)
Inventor: KAULLY TAMAR
IPC: B01J19/10
Filed: 2000-01-03
Abstract: Method of shaping solid, particulate materials, which comprises forming a ra w slurry of the starting material, in a liquid which is a partial solvent of said material, and submitting the slurry to treatment by ultrasound generato rs to produce therein ultrasonic vibrations which shape and grind the starting,  particulate material to produce a shaped slurry of ground and shaped particles. The shaped particles may be separated from their slurry by removi ng the partial solvent by decantation and/or filtration. The partial solvent ma y be a liquid in which the material to be shaped has a solubility comprised between 1 and 10, wherein the solubility is expressed as grams of material that are dissolved in 100 ml of the liquid at a temperature of 20 ~C. The partial solvent can be chosen from among acetone, methyl ethyl ketone, and mixtures of said solvents with one another or other solvents and/or a minor amount of water, and may also be an organic solvent.
Patent CA-2365061-A1 (CA)
Inventor: JAISINGH SURESH
IPC: B07C3/04
Filed: 2001-12-14
Abstract: An apparatus for sorting mail includes at least one tier of mail receiving receptacles arranged in an arcuate configuration. The preferred embodiment utilizes an arm supported by a support for pivotal movement about a substantially vertical pivot axis. The arm sweeps in an arc in close proximity with and conforming to the arcuate configuration of the tier of mail receiving receptacles. A conveyor conveys individual pieces of mail sequentially along the arm. A controller is provided which is adapted to monitor the positioning of the arm relative to the tier of mail receiving receptacles, selectively activate a drive motor to alter the positioning of the arm, and selectively activate the conveyor to convey individual pieces of mail sequentially along the conveyor to the second end of the arm and into selected mail receiving receptacles. The apparatus provides a significant sorting capacity within a relatively compact space.
Patent CA-2365372-A1 (CA)
Inventor: CHAN YUMMAN
IPC: G06F12/00
Filed: 2001-12-18
Abstract: Improvements in the creation, maintenance and management of web based information are provided. A development environment conducive to separation of tasks and data, works in combination with the means to present views of changed information for approval to users. Data from file systems and database systems can be combined to create a rich source of material for users, while changes to such material can be effectively controlled and released for production.
Patent CA-2369233-A1 (CA)
Title: Denture adhesive compositions
Inventor: CULBERTSON ROBERT HARGITT
IPC: A61K6/884
Filed: 2000-04-13
Abstract: The present invention relates to a denture adhesive composition comprising mixed salts of an alkyl vinyl ether-maleic acid or anhydride copolymer and/or terpolymer with isobutylene wherein the mixed salt contains a cationic salt function comprising at least about 22.5 % calcium cations, from about 15 % t o about 25 % of zinc cations, of the total initial carboxyl groups reacted, th e mixed salt containing from about 36 % to about 50 % free acid component. In addition the present invention relates to denture adhesive compositions comprising the above composition and at least one non-adhesive self-supporti ng layer. The present invention further relates to a method of increasing the adhesion of dentures to the oral cavity by applying the above compositions t o dentures, directly to the oral cavity, palate or ridge of the oral cavity, o r applying it to both, and thereafter securing the denture to the ridge or palate of the oral cavity.
Patent CA-2369294-A1 (CA)
Inventor: BOUSMAN WILLIAM S
IPC: C08L5/00
Filed: 2000-03-31
Abstract: A xanthan gum viscosifier having enhanced hydration and dispersibility properties and xanthan viscosified compositions demonstrating improved thermal stability with retained low shear rate viscosity, is disclosed. Also disclosed is a process for improving the thermal stability and low shear rate viscosity of viscosified compositions and a process for the preparation of divalent cation-containing xanthan viscosified compositions using low shear mixing.
Patent CA-2369453-A1 (CA)
Inventor: LECCIA BRAD R
IPC: H02B11/133
Filed: 2002-01-29
Abstract: An automatically operating interlock device prevents access to the interior of an electrical cabinet when the device within the cabinet is electrically connected with a power supply. The interlock device is particularly suited for arc resistant circuit breaker cabinets. The circuit breakers within such cabinets typically move from a rearward position within the cabinet, wherein a pair of stabs on the back of the circuit breaker are electrically connected to a corresponding pair of quick disconnects, and a forward position within the stabs are disconnected from the quick disconnects. A levering in assembly including a levering in block controlled by a threaded rod is typically used to move the circuit breaker from one position to the other. The interlock device includes a cam pivotally secured near the forwardmost position of the levering in block, and a locking bar pivotally secured to the cam. The cam is biased so that the locking bar engages the cabinet door. When the levering in block is moved to its forwardmost position, it engages the cam, rotating the cam to withdraw the locking bar from the door.