baber/WOPTO huggingface dataset:
Patent CA-2259690-A1 (CA)
Title: Emballage avec dispositif de fermeture
Inventor: LUNDIN LARS
IPC: B65D1/26
Filed: 1997-06-06
Abstract: L'invention concerne une unité d'emballage comprenant une surface (1) supportant un article et qui est associée à un couvercle en forme de coupe (2, 3) sur deux bords latéraux opposés par des lignes de pliage généralement parallèles (4, 5). La surface (1) supportant l'article et les couvercles (2, 3) forment une enceinte. Un moyen de fermeture (22, 32) permet de maintenir l'unité d'emballage à l'état fermé. Les deux couvercles (2, 3) possèdent des parois terminales (21, 31) et les parois terminales situées au niveau d'au moins une extrémité de l'unité d'emballage sont adjacentes et essentiellement en contact l'une avec l'autre lorsque l'unité d'emballage est fermée. Le moyen de fermeture de l'unité comporte une rainure (32) dans une paroi terminale (31) d'un couvercle (3), et une nervure (22) dans la paroi terminale (21) de l'autre couvercle (2) qui est adjacent à la paroi terminale renfermant la rainure lorsque l'unité d'emballage est fermée de sorte que la nervure (22) s'engage dans la rainure (32) à l'état fermé de l'unité d'emballage. La nervure (22) et la rainure (32) s'étendent respectivement du bord libre (23, 33) de leurs parois terminales respectives et ont une extension longitudinale généralement droite.
Patent CA-2262472-A1 (CA)
Title: Cationic electrocoating compositions, method of making, and use
Inventor: KAUFMAN MARVIN L
IPC: C09D163/00
Filed: 1997-07-29
Abstract: An electrodepositable composition that has: (A) an active hydrogen-containing cationic resin, electrodepositable on a cathode, having: (1) a polyepoxide;  (2) an oxygen-substituted diamine compound having formula (I) where n is an integer from 2 to 4; and where R1 or R2 are the same or different and either one or both contain at least one oxygen and are alkyl, cycloalkyl, substituted alkyl, or substituted cycloalkyl having from 1 to 6 carbon atoms, or R1 and R2 are alkanol groups having from 2 to 6 carbon atoms, or R1, R2, and the N atom form a cyclic group which is substituted or unsubstituted such as morpholine and 1-(3-aminopropyl)imidazole; and (B) at least partially blocked isocyanate or polyisocyanate curing agent. The diamine compound of formula (I) can be used alone or in conjunction with one or more secondary amines, nonhydroxy group containing amines and/or amines with ring structures. Optionally, the polyepoxide can be chain extended with active hydrogen-containing compounds other than polyoxyalkylene polyamines. Also provided is a method of producing an active hydrogen-containing cationic resin composition, electrodepositable on a cathode, comprised of: (a) mixing together in a suitable reaction vessel a polyepoxide, or the precursors of the polyepoxide, a polycarboxylic acid, a blocked isocyanate curing agent; (b) adding to the mixture of (a) a base catalyst and the diamine compound of formula (I); (c) polymerizing the mixture of (b) to form a resinous composition; and (d) neutralizing the resinous composition of (c) by adding the resinous composition to a dilute mixture of acid and water to form an aqueous dispersed electrodepositable cationic resin composition.
Patent CA-2262520-A1 (CA)
Inventor: WINGER EDWARD E
IPC: C12Q1/68
Filed: 1997-07-24
Abstract: La présente invention a pour objet un dosage en temps réel et homogène d'un acide nucléique cible, s'effectuant par hybridation d'une sonde de ribo-oligonucléotide marquée avec la séquence d'ADN cible et par altération d'une partie de la sonde avec RNase H en vue de la libération de fragments marqués. Des mesures successives des fragments libérés permettent la caractérisation cinétique de la présence de la séquence cible. Le dosage est de préférence intégré dans une réaction en chaîne de la polymérase de façon à permettre la détection en temps réel de l'amplification cible.
Patent CA-2263630-A1 (CA)
Title: Welded construction for fuel vapor purge regulator valve assembly
Inventor: DELAND DANIEL LEE
IPC: F02M25/08
Filed: 1999-03-17
Abstract: An electrically controlled fuel vapor canister purge pressure regulator valve assembly has the regulator valve housing formed integrally with the solenoid operated valve body. A pressure responsive diaphragm is disposed in the housing to form on opposite sides thereof, an inlet chamber and an outlet chamber. The valve body has an inlet passage communicating with the inlet chamber and an outlet passage communicating with the outlet passage. The solenoid controls by-pass flow around the diaphragm to the outlet chamber. The outlet passage is closed by a closure member defining an outlet passage and valve seat. The diaphragm has a plate thereon moveable with the diaphragm to control flow over the valve seat. The outlet closure member encloses the diaphragm periphery and is sealed to the housing by a weld ring which may be spin friction or ultrasonically welded to the housing. An inlet chamber closure member forms an inlet fitting and inlet passage and retains a filter in the inlet chamber. The inlet closure member is sealed to the housing by a weld ring similar to the outlet closure member.
Patent CA-2264162-A1 (CA)
Title: Ratchet one-way clutch assembly
Inventor: COSTIN DANIEL P
IPC: F16D41/12
Filed: 1997-09-02
Abstract: A ratchet one-way clutch (20) has an inner member (22) with notches (28), an outer member (24) with pockets (26) and pawl members positioned in the pockets (26) for engagement with the notches (28). The pawl members have a pivot ridge (30) which mates with a peak (40) in the pockets (26). The pawl (25) center of mass (CM) is selectively positioned so that the pawl (25) can have a tendency to engage or disengage the notches (28). In alternative embodiments garter springs (58), coil springs (140) or ribbon springs (94) can be used to provide a tilting force on the pawls (25). Axial retainment members (62, 64) having axially extending flanges (118) can also be used with the present invention for improved radial bearing capability.
Patent CA-2270888-A1 (CA)
Inventor: SEEBALD JAMES DAVID
IPC: F28F27/00
Filed: 1997-10-16
Abstract: A fouling sensing system (42) monitors fouling of a rotary regenerative preheater (10) having a housing (12) and a rotor (14) rotatably mounted therein. An emitter (48) for emitting energy is positioned at one of the faces of the rotor (14) and emits energy through the rotor (14). A sensor (54) is positioned at the other face of the rotor (14) for receiving the energy and generating an output signal indicative of the intensity of the energy.
Patent CA-2271450-A1 (CA)
Title: Hydrogen fuel replenishment process and apparatus
Inventor: DONG CHARLIE
IPC: C25B15/02
Filed: 1999-05-12
Abstract: A hydrogen replenishment system for providing hydrogen to a user, said system comprising an electrolytic cell for providing source hydrogen; a compressor means for providing outlet hydrogen at an outlet pressure; means for feeding said source hydrogen to said compressor means; means for feeding said outlet hydrogen to said user; control means for activating said cell to provide said hydrogen source when said outlet pressure fall to a selected minimum value; and user activation means for operably activating said control means. The invention provides a convenient, essentially self-contained, hydrogen fuel replenishment system for vehicles based on water electrolyser. The apparatus has virtually no stored hydrogen by provides pressurized hydrogen on the demand of a user. The apparatus is preferably operative at times of off-peak electrical supply, with electricity and water being substantially the only feedstock.
Patent CA-2278126-A1 (CA)
Title: Dispositif pour le nettoyage par rincage des trous aleses des convoyeurs employes dans l'extraction souterraine
Inventor: MUELLER MANFRED
IPC: E21B37/00
Filed: 1998-01-21
Abstract: L'invention concerne un dispositif pour rincer les trous de gaz et d'huile d'un système d'extraction souterrain, dans lequel les trous ont été tubés avec un revêtement préperforé. Ce dispositif comporte un ajutage de rinçage avec une pluralité d'ajutages alignés, un corps d'ajutage, à l'extrémité avant duquel est montée la buse de rinçage, une conduite d'agent de rinçage insérable dans le trou étant montée à l'extrémité arrière. La conduite d'agent de rinçage est raccordée à une source d'agent de rinçage sous pression hydraulique. Sur le corps d'ajutage (11), il est prévu une pluralité de languettes ou de lamelles (13) réparties sur la périphérie, qui écartées vers l'extérieur pendant le rinçage, diminuent la section annulaire entre le corps d'ajutage (11) et la paroi du trou ou du revêtement perforé.
Patent CA-2278351-A1 (CA)
Inventor: JUNGHEIM GERRIT
IPC: C09D175/06
Filed: 1997-12-10
Abstract: L'invention concerne une composition de revêtement pour des récipients alimentaires. Cette composition comprend: a) 20-40 % en poids d'un polymère de liaison dans le groupe "résine de polyester soluble à l'eau ou dispersible dans l'eau; polymère acrylique soluble à l'eau ou dispersible dans l'eau"; b) 5-20 % en poids d'une résine d'uréthane réticulable qui est virtuellement dépourvue de groupes NCO libres; c) 20-70 % en poids d'eau; d) 0-18 % en poids d'un solvant organique et e) 0-5 % en poids d'auxiliaires. Le polymère de liaison comporte un nombre d'OH d'au moins 10 mg de KOH/g et la résine d'uréthane présente une teneur de NCO gropupes (bloqués) d'au moins 5 %.
Patent CA-2279111-A1 (CA)
Title: Positive lace zone isolation lock system and method
Inventor: KARABIN WALTER
IPC: A43C7/04
Filed: 1999-07-29
Abstract: A positive lace zone tension isolation device and method for use with laced footwear including a base (12) , a opposed, pivotable cam (14) for clamping interposed laces against the underlying base (12) and isolating the selected lace tension against migration at that point.
Patent CA-2283013-A1 (CA)
Inventor: LEE CHEA-HOW
IPC: H01F27/24
Filed: 1999-09-22
Abstract: A high voltage transformer having radiation ribs has a laminated core formed of a plurality of accumulated iron plates, first and second windings wound in the laminated core and for converting an input voltage to a predetermined output voltage, and a plurality of radiation ribs formed in the accumulated direction of the plurality of iron plates on the outer periphery of the laminated core. The plurality of radiation ribs are formed as the plurality of iron plates are accumulated, by the accumulation of a plurality of protrusion portions formed along each of the plurality of iron plates. According to this, since the radiation ribs are formed on the outer periphery and in the accumulated direction of the laminated core, all the iron plates constituting the laminated core have the same shape and are disposed in the same direction.
Patent CA-2283441-A1 (CA)
Title: Ball game practice apparatus
Inventor: KITA SHIGERU
IPC: A63B63/00
Filed: 1999-09-23
Abstract: A ball game practice apparatus comprising a ball, a practice apparatus main body that hangs the ball and at the same time regulates the ball flying range, the practice apparatus main body possessing a frame that can hang the ball at a specified position via an elastic means and a column for supporting this frame, wherein the elastic means comprising a frame connection extended along the frame and mounted to the frame and a ball connection that hangs the ball, characterized by the frame connection of the elastic means mounted to the frame which is turned back by at least a pair of turn-back portions with a rotatable turn-back mechanism.
Patent CA-2285061-A1 (CA)
Inventor: CHENG GONGZHEN
IPC: C09B47/30
Filed: 1998-03-27
Abstract: A simple, flexible, convenient method for making silicon phthalocyanines and naphthalocyanines by inserting silicon into metal-free phthalocyanines and metal-free naphthalocyanines is provided. The method comprises: providing a metal-free phthalocyanine or metal-free naphthalocyanine; reacting the metal-free phthalocyanine or metal-free naphthalocyanine with HSiCl3 to provide a reaction product; then reacting the reaction product with water; and extracting a silicon phthalocyanine or a silicon napthalocyanines. The invention also relates to novel phthalocyanines and naphthalocyanines. The phthalocyanines and naphthalocyanines are useful as photosensitizers and as dyes.
Patent CA-2285073-A1 (CA)
Title: Systeme et methode pour conferer une forme spectrale a des signaux de donnees transmis
Inventor: EYUBOGLU M VEDAT
IPC: H04L25/49
Filed: 1998-04-03
Abstract: On décrit un système qui, dans un réseau (46), transmet d'un émetteur (40) vers un récepteur des bits d'information numérique codés en un nombre prédéfini de symboles signés par trame ayant une forme spectrale voulue. Les bits d'information numérique sont divisés en un premier nombre préétabli de bits d'information d'amplitude et en un deuxième nombre préétabli de bits d'information de signe par trame. L'émetteur comprend un dispositif de topographie mémoire d'amplitude (50) pour configurer les bits d'information d'amplitude relativement au nombre prédéfini d'amplitudes de symboles, un codeur de bit de signe (52) pour coder les bits d'information de signe dans le nombre préétabli de bits de signe de symbole codés par trame, et un sélecteur de point de signal (54) qui réagit au dispositif de topographie mémoire d'amplitude et au codeur de bits de signe en combinant les amplitudes de symboles et les bits de signe de symbole pour former le nombre prédéfini de symboles signés transmis par trame.
Patent CA-2288501-A1 (CA)
Title: Method for monitoring the position of a motor grader blade relative to a motor grader frame
Inventor: SHANE MARK D
IPC: E02F3/76
Filed: 1999-11-03
Abstract: A system and method for monitoring the position of a motor grader blade relative to a motor grader frame. The method includes the steps of: providing an electronic controller, blade controls having position sensors, and frame controls having position sensors; monitoring the output of the position sensors to ascertain the position of the blade controls and the frame controls; receiving an input signal requesting a repositioning of the blade or the frame; determining the present blade position and the present frame position; calculating a future blade position and a future frame position based on the repositioning request; predicting an intersection of the future blade position and the future frame position; and producing an action to prevent the intersection of the future blade position and the future frame position.
Patent CA-2288958-A1 (CA)
Title: Pharmaceutical preparation comprising lyophilized liposomes encapsulating an active principle which is highly insoluble in water, and the process for preparing the said preparation
Inventor: CAVALLO GIOVANNI
IPC: A61K31/416
Filed: 1998-02-12
Abstract: Lyophilized composition comprising trehalose and lipid liposomes in which a biologically-active principle has been incorporated, characterized in that the biologically-active principle is highly insoluble in water, the trehalose/lipid weight ratio is <= 1.5, and all of the trehalose was added to the outside of the liposomes already formed before lyophilization.
Patent CA-2293399-A1 (CA)
Inventor: PETRENKO VICTOR F
IPC: B64D15/12
Filed: 1998-06-15
Abstract: The invention includes system (100) for modifying ice adhesion strength of ice adhered to any surface. The system includes an electrode (106) that is electrically insulated from the surface (104a) of a material (104) and a DC source (109), e.g., a battery, coupled to the material (104) and the electrode (106). The source (109) generates a DC bias to an interface between the ice (102) and the surface (104a) when the ice (102) completes the circuit.     The material (104) is conductive or is doped as a semiconductor so that the DC bias applies a voltage to the interface which modifies the ice adhesion strength selectively as compared to the ice adhesion strength with substantially zero bias voltage at the interface. The system preferably includes an electrically insulating material (108) disposed between the surface (104a) and the electrode (106); the insulating material (108) substantially conformal to the surface (104a) and the electrode (106).
Patent CA-2293881-A1 (CA)
Title: Fan dome and supportive means
Inventor: LESLIE THOMAS A
IPC: E04H15/22
Filed: 2000-01-04
Abstract: Dome-type apparatus formed largely of flexible sheeting, with a fan or blower means inflatable to provide a chamber large enough to accommodate one or more human beings.  The apparatus is also provided to be usable by just the fan or blower means without the dome member, so as to provide utility on occasions in which the dome member is not to be used.
Patent CA-2294113-A1 (CA)
Title: Pyrimidine-2,4,6-trione derivatives, processes for their production and pharmaceutical preparations containing these compounds
Inventor: ZIMMERMANN GERD
IPC: C07D403/12
Filed: 1998-06-19
Abstract: The invention relates to substances of general formula (I), where R1 and R2, independently of each other, can be H, alkenyl or alkyl, R3 is a W-V group, where W is a bond or a linear or branched alkyl group, which is optionally interrupted by oxygen, sulphur or nitrogen and can be substituted with hydroxy-, amino-, mercapto-, alkoxy-, oxo-, carboxy-, acyl-, alkyl-, aralkyl-, aryl-or heteroaryl groups, and in which V is H, a monocyclic or bicyclic, saturated or unsaturated ring, which can possibly contain between 1 and 4 nitrogen, oxygen or sulphur atoms and can be optionally substituted with hydroxy-, amino-, mercapto-, alkoxy-, oxo-, carboxy-, acyl-, acylamido-, alkyl-, aralkyl-, aryl- or heteroaryl groups; R4 is an -N(R13)-C(O)-R5, -N(R13)-C(O)-OR5, -N(R13)-SO2-R5, -N(R13)-C(S)-R5, -N(R13)-C(S)-OR5, -N(R13)-C(O)-CR14R15(-CR16R17)n -C(O)-R5, or -N(R13)-CR14R15(-CR16R17)n-C(O)-R18 rest, which in each case is linked by the nitrogen atom to the central pyrimidin ring; n is 0 or 1; R13 has the meaning given above for R3 or with R14 or R16 possibly forms a heterocycle having between 4 and 7 members; and R5 is an alkyl-, cycloalkyl-, aralkyl-, aryl- or heteroaryl rest, whereby these rests can be substituted with hydroxy-, amino groups or halogen. R14, R15, R16 and R17, independently of each other, are hydrogen, the C.alpha. radical of a proteinogenic amino acid, alkyl, cycloalkyl, aryl, heteroaryl, aralkyl or heteroaralkyl, and R14 and R15 or alternatively R16 and R17 can together form a carbocycle having between 3 and 7 members; R18 is OH or N(R6R7), where R6 can be H, alkyl, cycloalkyl, aralkyl, aryl or heteroaryl and R7 is a group which, together with the N atom, represents a proteinogenic or non-proteinogenic .alpha. or .beta.  amino acid or amino acid amide. In addition, R6 and R7 can together form a ring having between 4 and 7 members, which optionally contains heteroatoms such as oxygen, sulphur or nitrogen and is optionally substituted with alkyl, aralkyl, aryl or heteroaryl. The invention further relates to pharmacologically compatible salts and esters of general formula I and the use of these compounds for manufacturing medicinal products.
Patent CA-2294646-A1 (CA)
Title: Human catalytic telomerase sub-unit and its diagnostic and therapeutic use
Inventor: ZUBOV DMITRY
IPC: C12N9/12
Filed: 1998-06-09
Abstract: The invention relates to the nucleotide sequence and the protein sequence derived therefrom, which encodes for the human catalytic telomerase sub-unit.  The invention furthermore relates to methods involving a pharmaceutical, diagnostic or therapeutic use of this gene/protein, principally for treating cancer and ageing.
Patent CA-2300097-A1 (CA)
Title: Liver function test
Inventor: MILLS CHARLES OSWALD
IPC: A61K49/00
Filed: 1998-08-03
Abstract: A method of determining the liver function of a patient, comprises the steps of (i) processing a series of blood samples which have passed through the liver of the patient and which have been collected at timed intervals after introducing an effective amount of a coloured or fluorescent bile acid derivative intravenously into the patient; and (ii) accessing the colour or fluorescence of bile acid derivative in each sample by: (a) processing the blood sample to obtain blood plasma containing the bile acid derivative, (b) measuring the colour or fluorescence of the bile acid derivative in the blood plasma, and (c) fitting the measurements obtained in step (b) to a plasma elimination curve and comparing the plasma elimination curve with plasma elimination curves obtained from individuals having known liver function, to arrive at a determination of liver function for the patient.
Patent CA-2300445-A1 (CA)
Inventor: KLEIN MARTON
IPC: C01B21/26
Filed: 1998-08-11
Abstract: The invention relates to a method for producing nitric acid, according to which ammonia is burned on at least one catalyst net, especially a platinum net, in the presence of oxygen and the reaction gases are cooled. To prevent the release of laughing gas the invention is characterized in that before cooling the reaction gases are led downstream from the catalyst net across a catalyst having a stable temperature so as to transform the N2O contained in the reaction gases.
Patent CA-2300671-A1 (CA)
Title: Unbalanced quadrature waveform
Inventor: BERGER HARVEY L
IPC: H04B7/26
Filed: 2000-03-14
Abstract: A method 11C0 and apparatus 1200 utilizing unbalanced modulation for providing users in a communication system with different amounts of effective communication energy according to their individual communication environments.     A user's communication energy needs are determined based on conditions such as weather, signal-to-noise ratio, and cell location. Signals destined for a user are modulated according to the determined needs of the user. A signal destined for a user operating in a relatively friendly communication environment is modulated with less effective energy than a signal destined for a user operating in a relatively hostile communication environment.
Patent CA-2302259-A1 (CA)
Inventor: IGARASHI SHINICHI
IPC: A01N37/44
Filed: 1998-08-27
Abstract: Iodopropagylamine compounds represented by general formula (1) (wherein R1 and R2 each independently represent a hydrogen atom or a 1-3 C alkyl group, or R1 and R2 combine with each other to form a tetramethylene or pentamethylene group; R3 represents a hydrogen atom or a 1-3 C alkyl group; X and Y each independently represent a cyano group, a 2-7 C alkoxycarbonyl group, a 2-7 C  alkylcarbonyl group, a 1-6 C alkylsulfonyl group, a phenylcarbonyl group, or a phenylsulfonyl group, provided that the phenyl group of a phenylcarbonyl group or a phenylsulfonyl group may be optionally substituted by a halogen atom, a 1-3 C alkyl group, a 1-3 C alkoxy group, a nitro group, or a trifluoromethyl group). The compounds are useful as the active ingredient for industrial antimicrobial and antifungal agents, algicides, and antifouling agents.
Patent CA-2305312-A1 (CA)
Inventor: ORGAN EDWARD L
IPC: C12P21/02
Filed: 1998-10-08
Abstract: The present invention provides methods of identifying cellular genes necessary for viral growth and cellular genes that function as tumor suppressors. Thus, the present invention provides nucleic acids related to and methods of reducing or preventing viral infection or cancer. The invention also provides methods of producing substantially virus-free cell cultures and methods for screening for additional such genes.