baber/WOPTO huggingface dataset:
Patent CA-2230106-A1 (CA)
Title: Phenylacetic acids, their preparation, and compositions comprising them
Inventor: HARRIES VOLKER
IPC: C07D209/86
Filed: 1996-09-09
Abstract: The invention concerns phenylacetic acids of formula (I) in which the substituents and the index have the following meanings: X is NOCH3, CHOCH3, CHCH3 and CHCH2CH3; Y = O and NR (R = hydrogen and alkyl); Z is an optionally substituted nitrogen atom-bonded heterocyclyl or heteroaryl; R1 = hydrogen and alkyl; R2 = cyano, nitro, trifluoromethyl, halogen, alkyl and alkoxy; m = 0, 1 or 2; R3 = hydrogen, cyano, nitro, hydroxy, amino, cyclopropyl, halogen, alkyl, alkyl halide, alkoxy, alkoxy halide, alkylthio, alkylamino and dialkylamino; R4 = hydrogen, optionally substituted alkyl, alkenyl, alkinyl, alkylcarbonyl, alkenylcarbonyl, alkinylcarbonyl, alkylsulphonyl, cycloalkyl, aryl, arylcarbonyl, arylsulphonyl, hetaryl, hetarylcarbonyl and hetarylsulphonyl. The invention further concerns salts thereof, processes for their preparation and agents containing them.
Patent CA-2230804-A1 (CA)
Title: Radio paging system
Inventor: ITO SHOGO
IPC: H04B7/26
Filed: 1997-06-26
Abstract: In a radio paging system wherein a user carrying a radio paging receiver is paged by means of radio waves, and the radio paging receiver sends back a response signal when it has received a paging signal addressed to itself, the response signal is sent back by means of direct sequence modulation using a code uniquely determined in accordance with the base station ID signal, which is different for each base station, and which has been inserted in the paging signal sequence transmitted from the base station, or in accordance with the order of each paging signal within the paging signal sequence. As a result, the response signal can be transmitted at low power from each radio paging receiver, and effective utilization can be made of frequency, regardless of an increase in the number of radio pagers.
Patent CA-2230964-A1 (CA)
Title: Process for making a paintable polymer article
Inventor: SUSPENE LAURENT GERARD
IPC: C08J7/04
Filed: 1996-09-20
Abstract: A process for making a paintable polymer article is described which comprises impregnating a polymeric substrate having a plurality of pores, the pores having a number average pore cross section of less than 50 square microns, with a liquid sealant having a viscosity less than 25 mPa.s and heating the impregnated polymeric substrate to cure the sealant. The paintable polymer article may be coated with a paint to form a painted polymer article. The inventors have found that this invention helps prevent paint popping due to the expansion of solvents trapped in voids in the polymer article during paint drying or curing operations, particularly paint popping caused by voids in the polymer article which are exposed by cutting or trimming the polymer article after compression molding.
Patent CA-2233290-A1 (CA)
Title: Package for a food product
Inventor: CHILDRESS JEFFREY K
IPC: B65D1/36
Filed: 1998-03-26
Abstract: A package for a food product which includes a rigid tray formed from a single piece of malleable material having flanges located in a reference plane, first and second side walls, first and  second  end  walls  and  a  bottom  all  integrally  joined.          Integrally formed tabs are defined at the junction of the side walls and the bottom which extend generally in the plane of the side walls a predetermined distance.  Some of the tabs with the peripheral flange form an upright display means permitting the package to be displayed upright with the front panel located in a vertical or near vertical plane facing forward.  A hanging feature can also be incorporated into the rigid tray flange to provide peg-board display if desired.  This can be accomplished with no added labor or material cost.  A thin flexible film covers the tray in the reference plane and attaches to the peripheral flanges to hermetically  seal  the  recessed  compartment.    The  recessed compartment or compartments may or may not be vacuumized or have modified atmospheres.
Patent CA-2233899-A1 (CA)
Title: System for self-aligning vehicle headlamps
Inventor: SCHERRER MICHAEL F
IPC: B60Q1/14
Filed: 1996-10-04
Abstract: A system for self-aligning a headlamp (10) of a vehicle, the system comprises at least one actuator (20) which modifies an alignment of the headlamp in response to a control signal. An infrared light source (30) is mounted to the headlamp to emit an infrared light beam (34) toward a ground surface. An optical sensor system (42) is oriented to sense a reflection of the infrared light beam from the ground surface. The optical sensor system has a plurality of optical sensors to sense a plurality of infrared light intensities from the reflection. A control circuit is operatively responsive to the optical sensor system to form the control signal for the at least one actuator. The control signal acts to modify the alignment of the headlamp so that the infrared light intensities satisfy at least one predetermined condition consistent with a desired alignment of the headlamp to thereby automatically align the headlamp to the desired alignment.
Patent CA-2234072-A1 (CA)
Title: Lockable security device for portable articles
Inventor: RITTALER DONALD KARL
IPC: E05B73/00
Filed: 1998-04-06
Abstract: A security device for locking a portable article, such as a facsimile machine, printer,  scanner,  or other computer peripheral,  to  a  support  surface,  such as  a desktop.   In a first embodiment of the invention,  the device comprises a bracket mounted on the support surface which may be lockably coupled to a mating block affixed to the portable article.   In an alternative embodiment, the device comprises a cage enclosing the portable article which may be lockably secured to the bracket.
Patent CA-2234333-A1 (CA)
Title: Lift with control box
Inventor: LIEBETRAU CHRISTOPH
IPC: B66B11/00
Filed: 1998-04-08
Abstract: Lift with drive system which is mounted at the cage and the control box (11) of which is arranged above or below the cage door (3). Through the invention it is made possible for the service engineer to reach the electrical components of the lift, such as travel regulation, safety circuits, optional drive regulation, frequency inverter, etc., conveniently standing at hand or eye level at a storey floor (5) with the shaft doors (10) opened.
Patent CA-2235557-A1 (CA)
Title: Swivel
Inventor: SALTER PETER W
IPC: F16L27/08
Filed: 1998-04-21
Abstract: A tubing end-piece interconnects a free end of a piece of tubing and a tubing connector or fitting so that a fluid can flow between the tubing and the fitting or connector.  The tubing end-piece includes a body member extending along a longitudinal axis with a bore extending longitudinally therethrough. The body member has an elongated body portion, a doughnut-shaped head portion and a frustoconically-shaped tail portion. The body portion has an outer body surface configured in a shape of a frustum that tapers from a first end and towards a second end. The doughnut-shaped head portion is connected to the first end of said body portion and extends radially outwardly relative to the longitudinal axis to form in cross-section an outer curved surface commencing from the first end and terminating in an outer peripheral edge which defines a first opening into the bore. A frustoconically-shaped tail portion is connected to the second end of the body portion and tapers from the second end and towards a second opening into the bore. The body member has an inner first surface and an inner second surface defining the bore and has a plurality of splines which are spaced apart from one another and extend longitudinally along and outwardly from the outer body surface. The present invention also includes a connector adapted to interconnect a pair of tubing end-pieces so that the fluid can flow between and through the respective pieces of tubing and the pair of tubing connectors, and present a connection which resists snagging when trailed from a portable or fixed source of oxygen gas to an ambulatory patient.
Patent CA-2235945-A1 (CA)
Title: Instantaneous phase detecting circuit and clock recovery signal generating circuit incorporated in differential demodulator
Inventor: KODAMA AKINOBU
IPC: H04L27/22
Filed: 1993-12-27
Abstract: An instantaneous phase detecting circuit for detecting the phase of a digital phase modulation wave signal which includes first and second logic circuits, first and second phase detecting circuits, and a third logic circuit. The first and second logic circuits receive the modulation wave signal, the first logic circuit receives a first carrier signal, and a second logic circuit receives a second carrier signal, the phase of the second carrier signal being delayed by a fixed period with respect to the phase of the first carrier signal. The first and second logic circuits generate first and second arithmetic outputs which are received by the first and second phase detecting circuits which detect the phases of the first and second arithmetic outputs to generate first and second detection output signals respectively. The third logic circuit receiving the first and second detection output signals and compared a periodic deviation  of the first and second detection output signals to detect the phase of the modulation wave signal.
Patent CA-2235977-A1 (CA)
Inventor: DUESING ERIC ALAN
IPC: H04M3/48
Filed: 1998-04-27
Abstract: A selective call waiting disable (SCWD) service feature allows incoming data transmission over a POTS line to disable the call waiting "tones" which cause data errors and sometimes loss of connections. The originator of the incoming call must be authorized by the called party to prevent unauthorized persons from monopolizing a person's line without some protection. This SCWD feature allows data transmissions for software updates, small business data exchanges and facsimile page data, among others, to be accomplished without call waiting tones corrupting data or causing loss of synchronization and connection. SCWD can even use transmission data availableto the call originator to advise a subsequent caller when the called party's line will be available for other incoming calls.
Patent CA-2237435-A1 (CA)
Inventor: HUANG CHENG-HAO
IPC: A61B18/20
Filed: 1996-11-12
Abstract: L'invention porte sur une technique chirurgicale ophtalmique d'ablation de la cornée (16) de l'oeil d'un patient par faisceau laser. Cette technique consiste à produire un faisceau laser (12), à le diriger sur un scanneur (13) et à le promener selon un mode aléatoire, avec un signal de mode aléatoire de balayage, sur la surface de la cornée (16) aux fins d'ablation. Un ordinateur (17) produit le signal de commande de faisceau laser en mode aléatoire agissant sur le scanneur (13) afin de procéder au balayage en mode aléatoire au-dessus de la cornée (16). Cet ordinateur procède au choix d'une base de données de points de balayage non aléatoires afin de promener le faisceau laser sur la cornée (16) et choisit ensuite de manière aléatoire les points de balayage en mode non aléatoire pour le balayage aléatoire de points de balayage prédéfinis. Un appareil de chirurgie ophtalmique au laser (10), selon l'invention, comporte un laser destiné à émettre un faisceau laser (12) ainsi qu'un scanneur (13) placé pour recevoir le faisceau laser (12) et produire un mode de balayage prédéfini sur la cornée (16) d'un patient. L'ordinateur (17), qui sert à produire un signal de mode aléatoire de balayage, est relié au scanneur (13) pour commander celui-ci en mode aléatoire de faisceau à balayage en superposition au-dessus d'une région prédéfinie.
Patent CA-2239116-A1 (CA)
Inventor: BRISKEN AXEL F
IPC: A61B17/22
Filed: 1996-11-27
Abstract: An ultrasonic catheter comprises a catheter body having a resonantly vibrating assembly at its distal end. The resonantly vibrating assembly comprises a tail mass (42), an interface member (44), and a spring element (46) which connects the tail mass to the interface member (44). An interface surface is formed on the interface member and is forwardly disposed at the distal end of the catheter. A longitudinally oscillating drive (74) is disposed between the tail mass (42) and the interface member (44), and the catheter can be connected to a suitable power supply to induce oscillations in the driver. The driver is typically a piezoelectric device, such as a tubular piezoelectric transducer or a piezoelectric stack. The characteristics of the interface member (44), spring element (46), and longitudinally oscillating driver (74) are selected so that the interface (44) member may be resonantly vibrated at an ultrasonic frequency. The catheter is useful for treating luminal conditions, such as vascular clot and plaque. Optionally, a therapeutic agent may be delivered through the catheter simultaneously with the application of ultrasonic energy.
Patent CA-2239430-A1 (CA)
Title: Fuel overflow prevention and device
Inventor: BERDAN KARL
IPC: B60K15/04
Filed: 1998-06-02
Abstract: A device for preventing spillage of fuel during fueling of a boat or similar vessel includes a reservoir within the fuel system for collecting any overflowing fuel and returning such fuel to the boat's fuel tank. The reservoir is located intermediate the fuel tank vent tube through which the excess fuel is expelled. The reservoir collects the fuel while allowing air displaced in the fuel tank to escape. In a first embodiment, the reservoir surrounds the boat's fuel filler tube and the tube is perforated to allow fuel in the reservoir to enter. In a further embodiment, the reservoir is separated from the filler tube but is connected to the fuel line entering the fuel tank.
Patent CA-2241898-A1 (CA)
Title: Determination de donnees sur la capacite auditive
Inventor: PLINKERT PETER K
IPC: A61B5/12
Filed: 1996-12-11
Abstract: L'invention a pour objet un procédé de détermination de données sur la capacité auditive, par mesure de produits de distortion d'émissions otoacoustiques (DPOAE), selon lequel deux tonalités primaires de fréquences f¿1? et f¿2? > f¿1? et de niveaux de pression acoustique L¿1? et L¿2?, ainsi qu'au moins un évènement sonore à proportions de fréquence f¿3? et à niveau de pression acoustique L¿3? sont appliqués sur l'organe de l'ouïe en tant que stimuli, et au moins un produit de distortion de fréquence définie est déterminé, f¿3? ayant une valeur proche de la fréquence du produit de distortion.
Patent CA-2245860-A1 (CA)
Inventor: ARAI TAKAYUKI
IPC: C08K9/04
Filed: 1997-02-27
Abstract: A composite material of layered silicate and organic polymer, (as shown in the figure wherein (1) is layered silicate and (2) is ionomer) having heat stability, and containing silicate layers that are not parallel and between which the distance is increased; a production method for a composite material utilizing no polymerization but dispersion of layered silicate in organic polymer materials other than amide; a composite-material-containing resin composition containing the composite material; and a production method for the resin composition, are provided. Particularly, a composite material is made by dispersing, mixing, drying, and crushing 100 parts by weight ionomer made of ethylene methacrylate copolymer that is partially or entirely neutralized by alkali metal or alkaline-earth metal with at least 0.05 parts by weight of layered silicate in water to introduce the ionomer into a layered silicate of the silicate layers.
Patent CA-2247289-A1 (CA)
Title: Quick acting chemical sterilant
Inventor: WOLLER WILLIAM H
IPC: A01N59/00
Filed: 1997-02-11
Abstract: A low odor, aqueous, quick acting room temperature disinfectant slution primarily useful for medical instruments to disinfect within a half hour or less. The composition comprises a reacting or synergistic combination of hydrogen peroxide and from about 1 % to 30 % by weight of a water soluble organic acid or salt form thereof with the acid preferably being selected from the group consisting of malonic and succinic acids.
Patent CA-2250845-A1 (CA)
Title: Prepay telecommunications system
Inventor: HANSON DANIEL A
IPC: H04M15/30
Filed: 1998-02-04
Abstract: The prepay telecommunications system (60) includes a prepay call management platform (50) which is directly coupled to a telecommunications carrier switch (24). A customer database (116) is coupled to the prepay call management platform (50) for storing prepay customer data, and a plurality of customer interface facilities (62, 64, 66, 68, 80) are provided for accepting customer prepayment and immediately updating the customer database (116). The prepay calls are recognized by the mobile identification number and is routed to the prepay call management platform (50) coupled to and co-located with the telecommunications carrier switch (24). The customer account balance associated with the prepay call is looked up in a customer database (116), and the maximum allowable call duration in response to the customer account balance is computed. The prepay call is then released to the telecommunications carrier switch (24) for line termination. At the same time, a call duration timer is started. The call is disconnected in response to the call duration timer reaching the maximum allowable call duration. The prepay telecommunications system is applicable to both wireless and non-wireless telecommunications systems. An unregistered roaming call is recognized by the mobile identification number and is routed to the prepay call management platform (50) coupled to and co-located with the telecommunications carrier switch (24) for processing. The caller is prompted for a payment option which may include payment by credit card or a collect call. The caller is then prompted for a credit card number if the credit card option is selected. The credit card number may be validated and verified by a credit card verification processor (128) coupled to prepay call management platform (50). The prepay call is then released to the telecommunications carrier switch (24) for line termination.
Patent CA-2251140-A1 (CA)
Title: Ball joint link
Inventor: HELLON KEITH
IPC: F16C11/06
Filed: 1998-10-16
Abstract: A ball joint link includes a housing, a retainer and a ball stud. The housing and the retainer define respective bearing surfaces that are in direct sliding contact with a spherical end portion of the ball stud. The retainer fitsinto a recess formed in the housing and is secured to the housing to retain the ball stud.
Patent CA-2252314-A1 (CA)
Title: Use of an enzymatically converted starch derivative as an encapsulating agent
Inventor: JEFFCOAT ROGER
IPC: A23L33/15
Filed: 1998-10-30
Abstract: The present invention relates to modified starches which are prepared by enzymatic hydrolysis of a starch molecule after the preparation of a starch derivative containing a hydrophobic group or both a hydrophobic and a hydrophilic group, particularly octenyl succinic anhydride starch hydrolyzed by .beta.-amylase or glucoamylase. Such modified starches are useful as encapsulating agents, particularly in systems where high load and retention of the active ingredient, low surface oil exposure, and excellent oxidation resistance is desired. The encapsulating agents are useful in a variety of applications including a tablet in which the starch allows for good compressibility and hardness.
Patent CA-2254903-A1 (CA)
Inventor: LUDWIG CHRISTOPHER P
IPC: C06B33/00
Filed: 1997-05-12
Abstract: The present invention relates to an autoignition composition for safely initiating combustion of a main pyrotechnic charge in a gas generator or pyrotechnic device exposed to flame or a high temperature environment. The autoignition compositions of the invention include a mixture of an oxidizer composition and a powdered metal, wherein the oxidizer composition includes at least one of an alkali metal or an alkaline earth metal nitrate, a complex salt nitrate, such as Ce(NH4)2(NO3)6 or ZrO(NO3)2, a dried, hydrated nitrate, such as Ca(NO3)2.4H2O or Cu(NO3)2.2.5 H2O, silver nitrate, an alkali or alkaline earth chlorate, an alkali or alkaline earth metal perchlorate, ammonium perchlorate, a nitrite of sodium, potassium or silver, or a solid organic nitrate, nitrite, or amine, such as guanidine nitrate, nitroguanidine and 5-aminotetrazole, respectively. The present invention also relates to a method for initiating a gas generator or pyrotechnic composition in a gas generator or pyrotechnic device exposed to flame or a high temperature environment. In the method of the invention, the gas generator or pyrotechnic composition is placed in thermal contact with an autoignition composition of the invention.
Patent CA-2256372-A1 (CA)
Title: Proteine bbk associee a l'apoptose
Inventor: GALLO GREGORY J
IPC: C12P21/08
Filed: 1997-05-29
Abstract: L'invention concerne une protéine Bbk isolée, des séquences nucléotidiques codant et régulant l'expression de la protéine, des anticorps contre la protéine, des vecteurs recombinés et des cellules hôtes contenant les séquences génétiques codant et régulant l'expression de la séquence protéinique. L'invention concerne également l'ADN, l'ADNc et l'ARN génomiques codant la séquence de la protéine Bbk, ainsi que les séquences d'ARN anti-sens correspondantes. Il est possible d'utiliser les anticorps pour déceler la protéine Bbk dans des échantillons biologiques, y compris par exemple des échantillons de tissus humains. L'invention concerne aussi les procédés de traitement applicables aux troubles dégénératifs caractérisés par une prolifération cellulaire inappropriée ou une mort cellulaire inappropriée. L'invention concerne enfin des procédés pour le diagnostic des troubles dégénératifs caractérisés par cette prolifération et cette mort cellulaire inappropriées, ainsi que des procédés pour contrôler l'évolution des troubles en question.
Patent CA-2257416-A1 (CA)
Inventor: SCHWAB DAVID M
IPC: G01D5/02
Filed: 1998-12-22
Abstract: An electronic coin validator for connection to a payphone chassis that is capable of accepting coins of value greater than twenty-five cents is described.  The coin validator includes a housing a coin passageway, at least one coin sensor, a control means and a memory.  The control means processes signals from the sensor to denominate and validate high value coins, accesses a high value coin credit signal packet corresponding to the denomination of the coin, and outputs the credit signal packet to the payphone chassis.
Patent CA-2259639-A1 (CA)
Title: Process and device for shaping socket ends on plastic pipes
Inventor: SCHNALLINGER REGINA
IPC: B29C57/04
Filed: 1997-06-19
Abstract: A process is disclosed for shaping socket ends (2) on plastic pipes (1) from hot-deformable plastics, in particular polyolefines or PVC. An area at the end of the pipe (1) having more or less the length of the socket is heated in a heating station up to or above its shaping temperature, is shaped in this state into a socket (2) by means of a socket-shaping tool (5) introduced into the pipe end (3) and is cooled down to a temperature lower than its hotshaping temperature before and/or after the socket-shaping tool (5) is removed. Clamping devices (13, 14) which engage the pipe wall from inside and outside while enabling the socket-shaping tool to be introduced into the pipe retain the pipe (1) by the outer end of the socket area (2) to allow the socket-shaping tool (5) to be introduced into the pipe, and so the socket area is drawn and not pushed over the socket-shaping tool (5). A device for carrying out this process is also disclosed.