baber/WOPTO huggingface dataset:
Patent CA-2294170-A1 (CA)
Inventor: FIELDER GUY L
IPC: H04L9/08
Filed: 1998-03-09
Abstract: L'invention concerne un système bilatéral d'authentification de stations émettrices situées à distance, au moyen d'identificateurs de station (ID), ainsi que de mots de passe utilisés seulement une fois, et d'échange ensuite de messages au moyen d'une clé de chiffrage modifiée après chaque connexion au système. Lors de l'authentification, chaque station crée de manière indépendante une clé secrète de chiffrage de session en réponse au seul identificateur de station de l'autre station, lequel identificateur est échangé en texte en clair sur une liaison de communication. Les identificateurs de station sont utilisés en tant qu'étiquettes servant à rechercher un secret statique unique et un secret dynamique unique, lesquels sont connus seulement des deux stations mais ne sont pas échangés sur la liaison de communication. Ces secrets sont combinés de manière indépendante à l'aide d'un algorithme de mélange de binaires dont le résultat est appliqué à une fonction de condensation sûre, afin de produire un condensé de message duquel sont dérivés la clé secrète de chiffrage de session, un mot de passe ne servant qu'une fois et destiné à la station d'origine, un mot de passe ne servant qu'une fois et destiné à la station réceptrice, ainsi qu'une valeur de changement pseudo-aléatoire destinée à la mise à jour du secret dynamique. Ce secret dynamique est mis à jour, après chaque connexion au système, au moyen de la valeur de changement pseudo-aléatoire et d'une constante primaire, provoquant ainsi la mise à jour du condensé de message lors de la survenue d'une nouvelle connexion au système. En outre, les identificateurs de station du système peuvent être modifiés par une composante du condensé de message lors de la survenue d'une nouvelle connexion au système, afin de constituer une protection supplémentaire contre toute usurpation d'identité par reproduction d'informations.
Patent CA-2294524-A1 (CA)
Title: Novel substituted imidazole compounds
Inventor: ADAMS JERRY L
IPC: A61P3/10
Filed: 1998-07-01
Abstract: Novel 1,4,5-subsituted imidazole compounds and compositions for use in therapy as cytokine inhibitors.
Patent CA-2296118-A1 (CA)
Title: An apparatus for guiding an endless paper web
Inventor: BRUECKEL DIETER
IPC: B65H23/02
Filed: 1998-07-09
Abstract: An apparatus for guiding an endless paper web comprises two lateral guide devices guiding the paper web at the longitudinal edges thereof, and a deflection means with the aid of which the paper web is deflected a least once from its direction of movement while it is moving between the lateral guide devices.
Patent CA-2298158-A1 (CA)
Title: Bonding optical fibers to substrates
Inventor: SEGUIN FRANCOIS
IPC: G02B6/36
Filed: 2000-02-07
Abstract: A method is disclosed for securing an optical fiber to a packaging substrate with a bismuth-containing alloy or solder. For this purpose, the substrate may be provided with metallic pads or a blanket metallization to which the alloy or solder can adhere and the optical fiber is then positioned above such substrate and bonded to it with the alloy or solder. Also, a cavity or recess may be formed in the substrate in which the optical fiber is positioned and into which the alloy or solder is delivered in preformed or liquid state and is solidified in the cavity or recess while bonding the fiber. An optical assembly is also disclosed in which at least one optical fiber is bonded to the substrate by means of the bismuth-containing alloy or solder.
Patent CA-2299740-A1 (CA)
Title: Lamp string controlling device
Inventor: CHING CHI CHENG
IPC: H05B37/02
Filed: 2000-02-29
Abstract: A lamp string controlling device includes a power supply circuit constituted by a transformer and a rectification circuit for converting an alternate current into a direct current. A harmonic oscillation circuit is connected between the transformer and the rectification circuit for eliminating noise and electromagnetic interference. A single chip based control circuit is connected between the power supply circuit and a driver circuit which drives a lamp string. The control circuit controls the lighting status of the lamp string between a full load condition and a non-full load condition in a variety of styles. A timing circuit having a time constant is coupled to the control circuit for switching the lamp string from a full load condition to the non-full load condition after a time period determined by the time constant thereof whereby overall power consumption of the lamp string may be lowered down and thus a small-sized transformer suffices for the operation of the lamp string.      Therefore a compact lamp string controlling device may be formed by combining the power supply circuit and the control circuit together. A manual switch and a remote control module may be coupled to the control circuit for manual and remote control.
Patent CA-2300047-A1 (CA)
Inventor: SUCHAROV LEON OLIVER DYLAN
IPC: G02B27/22
Filed: 1998-08-06
Abstract: L'invention concerne un afficheur d'images en trois dimensions, constitué d'un écran pixélisé (11) qui est éclairé à travers un séparateur de faisceaux (16). Un miroir plan (17) est monté sur un support mobile (15) qui permet de rapprocher ou d'éloigner le miroir d'un objectif (12), placé entre le miroir (17) et le séparateur de faisceaux (16). Une lame quart d'onde (18), disposée entre le séparateur de faisceaux (16) et le miroir (17), permet à la lumière, réfléchie par le miroir (17) à travers la lame quart d'onde (18), de passer directement par le séparateur de faisceaux (16) pour tomber sur un oculaire (13). Grâce aux déplacements du miroir (17), on peut l'utiliser comme un modificateur de longueur du trajet optique et afficher l'image provenant de l'écran (11) dans différentes positions focales. Un cyclage rapide du miroir à travers différentes positions focales crée une image qui est perçue en trois dimensions. L'objectif (12) étant placé entre le séparateur de faisceaux (16) et le miroir (17), ledit objectif (12) fonctionne également comme une lentille réductrice pour les images provenant de l'écran (11). Une réduction préliminaire de l'image permet de diminuer la longueur des courses que le miroir (17) doit faire pour obtenir les changements désirés de la position focale, ce qui à son tour baisse les exigences en matière de performances du support (15); ces performances doivent être considérables dans les systèmes conventionnels n'utilisant pas la réduction. De cette manière, on peut utiliser dans l'afficheur d'images des composants optiques et mécaniques simples pour générer des images qui seront perçues comme tridimensionnelles.
Patent CA-2301246-A1 (CA)
Inventor: SIBERDT FABIAN
IPC: C08F4/6192
Filed: 2000-03-16
Abstract: Procédé de polymérisation d'alpha-oléfines dans lequel on met en contact, dans des conditions polymérisantes, au moins une alpha-oléfine avec un système catalytique comprenant (a) un solide catalytique comprenant (i) un composé d'un métal de transition des groupes 4 à 6 du Tableau Périodique contenant au moins un ligand cyclopentadiénique pouvant être substitué, (ii) un activateur choisi parmi les aluminoxanes et les agents ionisants et (iii) un support polymérique poreux, et, (b) au moins un composé organoaluminium répondant à la formule générale R3-n Al(Y')n dans laquelle 0,9 < n ~ 3; Y' représente un groupement choisi parmi -OR', -SR' et -NR'R"; R et R' représentent, indépendamment, un groupe alkyle comprenant de 1 à 20 atomes de carbone, un groupe aryle, alkylaryle ou arylalkyle comprenant de 6 à 30 atomes de carbone, et R" représente un atome d'hydrogène, un groupe alkyle comprenant de 1 à 20 atomes de carbone, un groupe aryle, alkylaryle ou arylalkyle comprenant de 6 à 30 atomes de carbone.
Patent CA-2301575-A1 (CA)
Title: Vectors and methods for immunization or therapeutic protocols
Inventor: KRIEG ARTHUR M
IPC: C12N15/861
Filed: 1998-05-20
Abstract: The present invention shows that DNA vaccine vectors can be improved by removal of CpG-N motifs and optional addition of CpG-S motifs. In addition, for high and long-lasting levels of expression, the optimized vector should include a promoter/enhancer that is not down-regulated by the cytokines induced by the immunostimulatory CpG motifs. Vectors and methods of use for immunostimulation are provided herein. The invention also provides improved gene therapy vectors by determining the CpG-N and CpG-S motifs present in the construct, removing stimulatory CpG (CpG-S) motifs and/or inserting neutralizing CpG (CpG-N) motifs, thereby producing a nucleic acid construct providing enhanced expression of the therapeutic polypeptide. Methods of use for such vectors are also included herein.
Patent CA-2303909-A1 (CA)
Title: Full body harness for fall arrest
Inventor: ECKER TIMOTHY W
IPC: A62B35/00
Filed: 1998-08-28
Abstract: The present invention provides a full body harness which utilizes a reduced number of components thereby simplifying construction and reducing manufacturing costs. The harness has only four pieces of webbing, tow identical shoulder straps and two identical leg straps. These shoulder straps and leg straps are connected to two uniquely designed, multi-functional hip plates. The harness also has a standard back pad and a standard shoulder strap retainer.
Patent CA-2306134-A1 (CA)
Title: Opaque article with design pattern
Inventor: KEMP PRESTON BUTLER JR
IPC: B60C11/13
Filed: 1999-08-09
Abstract: An opaque article having a surface and substantially asymmetric striae extending along the surface. A portion of the striae reside in a first area and have an orientation. Another portion of the striae reside in a second area and have an orientation substantially opposite the striae in the first area.  The first area striae and the second area striae create an optical contrast therebetween at a wide range of viewing angles and illumination angles. The opaque article can be a tire. The striae can reside at numerous locations on the tire, including, for example, the sidewall, tread ribs or blocks, and stone ejectors.
Patent CA-2306189-A1 (CA)
Inventor: NOGUCHI FUJIO
IPC: H04H20/00
Filed: 1998-10-16
Abstract: A method and apparatus for channel surfing while using an electronic program guide (1301) are provided. A multiple channel broadcasting system is tuned to a first channel to provide a display of a broadcast of a first program on a screen. An electronic program guide (1301) is displayed that identifies a plurality of channels and programming on the channels. A first display information packet (1302) containing a description of the first program is displayed with the electronic program guide. A system pointer is manipulated in response to input by the user to an area of the electronic program guide associated with a second program. The display of the first display information packet (1302) is subsequently replaced with a display of a second display information packet containing a description of the second program. A method for providing a status indication of a tuner and a pointer in a multiple channel broadcasting system are also provided.
Patent CA-2308191-A1 (CA)
Inventor: KUZEE HENDRIKA CORNELIA
IPC: C02F9/00
Filed: 1998-10-20
Abstract: Selon l'invention, on peut extraire des métaux lourds, tels que du plomb, du cuivre, du zinc et du cadmium, à partir de mélanges du type boues, en traitant ces mélanges avec des dérivés carboxyles de fructosanes. Ces fructosanes, comme l'inuline, possèdent, de préférence, un degré de substitution de l'ordre de 0,2 à 3,0. On utilise notamment une carboxyméthylinuline ou une dicarboxyinuline contenant 0,5 à 2,0 groupes carboxyles par unité monosaccharide.
Patent CA-2308293-A1 (CA)
Inventor: CONE RICHARD A
IPC: A61F6/08
Filed: 1998-11-06
Abstract: L'invention concerne un dispositif, un jeu et un procédé d'apport et de distribution simultanés d'au moins un agent bénéfique aux côtés des lumières cervicale et vaginale d'un vagin. Le dispositif est formé d'un bord circulaire flexible et d'une partie bombée flexible. Le dispositif peut se trouver dans un état détendu ou comprimé. A l'état comprimé, des pochettes sont formées pour transporter et apporter l'agent bénéfique aux deux côtés des lumières cervicale et vaginale du vagin.
Patent CA-2308769-A1 (CA)
Title: Activating c1- secretion
Inventor: SORSCHER ERIC J
IPC: A61K31/4164
Filed: 1998-10-23
Abstract: Compounds represented by formula (I), wherein A is a 5 or 6-membered unsaturated heterocyclic ring containing at least one N atom; B is (a), NO2, N(R2)2, X2 is O, NH, NR, CH2, CHR or CR2, each R individually is alkyl, cycloalkyl, aryl, alkaryl and aralkyl, each R2 individually is H, alkyl, cycloalkyl, aryl, alkaryl, and aralkyl; Y is a halogen; alkythio group or nitrogenous moiety, are useful for activating Cl- secretion, and can be used for treating cystic fibrosis.
Patent CA-2312453-A1 (CA)
Inventor: DOHERTY JOHN A
IPC: B60K35/00
Filed: 2000-06-21
Abstract: A system and apparatus for detecting and evaluating surface conditions on a road surface and atmospheric conditions simultaneously from a moving vehicle.  The system comprises a sensor for detecting the presence of deposited material on a road surface, a detector for determining one or more characteristics of the deposited material such as its freezing temperature, process means for converting a detected signal and display means for displaying the condition of the road surface, and a sensor for detecting falling precipitation. An embodiment of the present invention includes a remote sensing apparatus which utilizes electromagnetic radiation to sense actual surface material conditions, temperatures, and composition and local atmospheric conditions at the vehicle as it is moving over a travel surface. This information is then processed through a computer in order to determine, preferably while the vehicle is in motion, those additional steps necessary to apply additional materials to the road surface in order to minimize hazardous driving conditions.
Patent CA-2312954-A1 (CA)
Title: Polymeric polycarboxylic acid crosslinked cellulosic fibers
Inventor: JEWEL RICHARD A
IPC: D21H17/15
Filed: 1998-12-09
Abstract: Cellulosic fibers intrafiber crosslinked with a polymeric polycarboxylic acid crosslinking agent are disclosed. In one embodiment, the polymeric polycarboxylic acid is polyacrylic acid and, in another embodiment, the polycarboxylic acid is polymaleic acid. Methods for forming cellulosic fibers having stable intrafiber crosslinks and for forming crosslinked cellulosic fibers having low knot level are also disclosed.
Patent CA-2313209-A1 (CA)
Title: Method and device for calculating dialysis efficiency
Inventor: STERNBY JAN
IPC: A61M/
Filed: 1998-12-02
Abstract: Method and apparatus for calculating the concentration of a substance in blood of a mammal. Blood from the mammal is passed through a dialyser having a semipermeable membrane and a dialysing fluid is passed at the other side of the membrane. The concentration of urea c d is measurod in the dialysabe emitted from the dialyser and the dialysate fluid flow rate Q d. A disturbance is introduced in the dialyser whereupon the effective dialysance K e of the dialyser is calculated.  Finally, the concentration of urea in blood is calculated by the formula c pw = c d × Q d/K e. By using the curve of urea concentration c d versus time in the dialysate, it is possible to calculate the initial mass m 0 of urea in the blood. Finally, the distribution volume V of urea in the body of said mammal is calculated according to the formula V = m 0/c pw.
Patent CA-2314071-A1 (CA)
Title: Taxane derivatives
Inventor: SHIMIZU HIDEAKI
IPC: C07D405/12
Filed: 1998-12-16
Abstract: Taxane derivatives represented by general formula (1) or salts thereof and drugs containing the same as the active ingredient wherein A1 represents (a) (wherein R1 represents H or optionally substituted alkyl) or (b) (wherein R2 represents amino, mono- or dialkylamino, piperidino, pyrrolidino or morpholino); X represents H, alkoxycarbonyl or benzoyl; Y represents H or trialkylsilyl; A2 represents furyl, alkylfuryl, alkyl or fluorophenyl; Ac represents acetyl; and Bz represents benzoyl. These compounds are excellent in solubility in water and antitumor activity.
Patent CA-2317686-A1 (CA)
Inventor: NGUYEN TUYEN
IPC: C08K5/00
Filed: 1999-01-12
Abstract: Additives for addition to starting materials in cellulose based products for imparting strength and crepe. Additives for use in paper production which impart strength to the product and which can be used in creping adhesives. Enzyme activated resins for use in paper production. Enzyme-activated adhesives for use in paper production. Paper products comprising the aforementioned additives or resins. Methods for imparting strength or crepe to paper products.
Patent CA-2319994-A1 (CA)
Inventor: MEIER THOMAS
IPC: G07C9/00
Filed: 2000-09-20
Abstract: The method for authorising access to computer applications is implemented using a computer installation which includes a computer station (1) connected to an inter-computer communication network (9), a read unit (10) connected by an electric cable (2) to the station (1), and at least one personalised portable object (7) in communication with the read unit (10) for the transfer of data. The portable object (7), in particular a wristwatch, includes a memory, several positions of which for access words are kept secret by a read and/or write barrier and at least one position of which for a word is readable. The read unit (10) detects the object (7) close by, reads the readable word and commands the station (1) to connect itself onto a determined server (8) to look in a checking file to see whether the readable word forms part of a list of authorised words. In the affirmative, a password is transmitted to the station (1) so that the read unit (10) sends it to the object (7) to open the read barrier. All the access words are then sent to the station (1 ) to authorise the opening of the corresponding applications.
Patent CA-2322628-A1 (CA)
Inventor: PASTERNAK VLADIMIR
IPC: G01H5/00
Filed: 1998-06-24
Abstract: L'invention concerne un procédé permettant de déterminer la vitesse d'ondes acoustiques dans un segment d'os, recouvert d'une couche de tissu mou présentant une surface externe. Ce procédé consiste à déterminer un premier temps de parcours d'une première onde ultrasonore, le long d'un premier passage du verso de la surface externe vers la surface externe, le chemin comprenant au moins une première partie de segment d'os; à déterminer un second temps de parcours d'une seconde onde ultrasonore, le long d'un second passage du verso de la surface externe vers la surface externe, le chemin comprenant au moins une seconde partie de segment d'os; à déterminer un troisième temps de parcours d'une troisième onde ultrasonore, le long d'un troisième chemin du verso de la surface externe vers la surface externe, le chemin comprenant au moins une troisième partie de segment d'os; et à dériver la vitesse d'une onde acoustique dans le segment d'os à partir des trois temps de parcours déterminés.
Patent CA-2323296-A1 (CA)
Title: Horizontal lifeline fall arrest system
Inventor: REYNOLDS RICHARD GREGORY
IPC: A47L3/04
Filed: 2000-10-12
Abstract: A fall arrest system for a worker connected to a horizontal lifeline supported by at least one intermediate support having a pair of rotatable star wheels for supporting the lifeline. A glider connector connects a worker to the lifeline so that the glider connector slides along the lifeline as the worker walks parallel thereto. The glider connector which is supported by rails as it passes near the intermediate support rotates the star wheels as it passes through spaces between their projections to allow the glider connector to pass through the intermediate support without having to disconnect it from the lifeline.
Patent CA-2323650-A1 (CA)
Inventor: MOLLER GERT LYKKE SORENSEN
IPC: G06F17/50
Filed: 1999-03-16
Abstract: The invention provides the ability to generate and use a database representing all solutions (legal combinations) satisfying all constraints of configuration problems on finite domains and/or intervals. The configuration space with all legal combinations is stored in a compact way in terms of nested arrays, where each legal Cartesian subspace has a unique index. Thus, the complete configuration space (which can be extended with object functions for optimization) is easily addressable by parallel indexing techniques and the database is therefore suitable for run-time applications (e.g. configuration on the Internet), which must be performed in real time.
Patent CA-2324489-A1 (CA)
Title: Pump designed to be fitted to a receptacle, comprising an elastically deformable diaphragm outside the pump chamber
Inventor: BAUDIN GILLES
IPC: F04B23/02
Filed: 2000-10-26
Abstract: Pump, includes shaft with piston blocking release of pressurized product, but releasing it on relative movement into delivery position. The moving assembly comprises a shaft (121) with internal passage (22) for removal of product. When the piston (130) blocks the outlet opening(s) (126), product is contained. When it moves relative to the shaft, it releases the outlet opening(s) for delivery. When the piston is displaced, it moves from a position of precompression to the delivery position. This takes place under the effect of product pressure in the pumping chamber (60).
Patent CA-2325522-A1 (CA)
Title: Process for producing olefin polymer and olefin polymers
Inventor: IMUTA JUN-ICHI
IPC: C08F4/659
Filed: 2000-01-21
Abstract: A process for olefin polymer production in which an olefin polymer is obtained at a reduced hydrogen concentration or in the absence of hydrogen while attaining high catalytic activity; and a silyl-terminated olefin polymer obtained by the process. The process is characterized by polymerizing an olefin in the presence of a catalyst comprising: (A) a compound of a transition metal in Groups 3 to 10 of the Periodic Table and (B) a compound selected among (B-1) organoaluminumoxy compounds, (B-2) ionized ionic compounds, and (B-3) organoaluminum compounds and of either (C) an organosilicon compound or (D) a dialkylzinc compound and in the presence or absence of (E) hydrogen. (In the case where the hydrogen (E) is absent, the transition metal compound (A) must contain a ligand having a cyclopentadienyl skeleton).
Patent CA-2326599-A1 (CA)
Inventor: MAEJIMA TAKASHI
IPC: F23G5/38
Filed: 2000-06-16
Abstract: The present invention relates to a multifunctional disposal apparatus for performing disposal by incineration, desiccation, fusion, degradation, ash melting and others on an object to be disposed such as raw refuse, general garbage, sludge, expanded polystyrene and others produced from a manufacturing plant, a service providing facility, a wholesale market, a general firm, a general store, a general house and others. [Structure] In a multifunctional disposal apparatus comprising: a dry combustion furnace; a kiln furnace; a first smoke feeding portion; a second smoke feeding portion; a smoke combustion portion; a dust filter portion; a second smoke feeding portion; an air heating portion; and a cooling tank portion, the present invention has such structure as that a flow of air is generated in one direction from the cooling tank to the second smoke feeding portion to form a vacuum.