baber/WOPTO huggingface dataset:
Patent CA-2234155-A1 (CA)
Inventor: KAWAMURA MAMORU
IPC: C07C68/06
Filed: 1996-12-20
Abstract: A process for continuously preparing dialkyl carbonates and diols, comprising the steps of: feeding a cyclic carbonate and an aliphatic monohydric alcohol into a continuous multistage distillation column; conducting transesterification in the presence of a catalyst in either one or both the distillation column or a transesterification reactor which has been connected liquid-tight to the distillation column so as to continuously receive the liquid in the distillation column from the column and to return the liquid to the column after the reaction, and withdrawing a gaseous low-boiling mixture containing dialkyl carbonates from the top of the distillation column while withdrawing a liquid high-boiling mixture from the bottom of the column; and continuously hydrolyzing an unreacted cyclic carbonate in the latter mixture into diols and carbon dioxide. This process enables dialkyl carbonates and high-purity diols to be prepared with a high productivity even when aliphatic monohydric alcohols containing dialkyl carbonates is used as the starting material.
Patent CA-2234259-A1 (CA)
Title: Basketball goal
Inventor: O'CONNELL TIMOTHY P
IPC: A63B63/08
Filed: 1997-08-14
Abstract: A basketball system is disclosed having a ballasted base, an adjustable support system comprising two pole sections, a backboard, a hoop structure, and a net. They include an upper pole section and a lower pole section, and may be operated either telescopically or non-telescopically. The base has a first socket that receives the lower pole section, and a second socket is sized to receive the upper pole section when the system is operated in the nontelescoping mode. The hoop structure is provided with a neck flange for attaching the hoop structure to a recess in the upper telescoping pole section. The net is attached to the hoop structure by a net retention hoop on which the net is threadedly engaged.
Patent CA-2234663-A1 (CA)
Title: Portable work station
Inventor: JOHNSON BRYAN T
IPC: A47B3/02
Filed: 1996-10-08
Abstract: Portable work station (20) having a removable panel member (22) located along a front edge thereof. A collapsible mechanism (24) is hingedly secured to the panel member (22).
Patent CA-2234730-A1 (CA)
Inventor: PAINE ALAN
IPC: G01F23/00
Filed: 1998-04-14
Abstract: A method and apparatus for continuously monitoring fluid level in an oil well, by measuring changes in the weight of the oil well tubing which result from changes in the buoyancy of the tubing caused by the rise and fall of fluid level within the oil well.  In the apparatus of the invention, a transducer is either affixed to the downhole tubing of the oil well, or  alternatively, is affixed to the drive head support structure of a well having a progressive cavity well pump.  The transducer continuously senses changes in the weight of the tubing as the buoyancy of the tubing changes in proportion to the rise and fall of fluid level within the well.  The transducer is preferably connected to a control unit which, in turn, is connected to the pump motor and which functions to automatically control the pump motor as a function of fluid level within the well.
Patent CA-2235918-A1 (CA)
Inventor: KRICORISSIAN GREGG R
IPC: G08B13/14
Filed: 1998-06-05
Abstract: A security alarm system for protecting a notebook computer includes a case attachable to a notebook computer, an alarm mounted within the case, and a motion detector mounted within the case for detecting movement of the case and subsequently activating the alarm. The security alarm system may include a siren having a resonant acoustic horn, and a user interface for providing instructions to the system, the user interface including a keypad and display indicators.
Patent CA-2236522-A1 (CA)
Title: Distributed activator for a two-dimensional shape memory alloy
Inventor: MAYNARD RONALD S
IPC: A61F2/92
Filed: 1997-09-03
Abstract: A distributed activation means including a Shape Memory Alloy (SMA) sheet which has a sufficiently small section to limit the lateral flow of heat. The distributed actuator array includes one or more heating elements disposed on the sheet and for locally heating an adjacent portion of the sheet so that the adjacent portion assumes a predetermined shape when activated to its threshold temperature. An electrical insulator is positioned between the sheet and one or more heating elements to electrically insulate each of the heating elements from the sheet. And a control means for selectively passing an electrical current through one or more heating elements so that the local heating causes the sheet to assume a desired shape.
Patent CA-2236618-A1 (CA)
Inventor: BANERJEE KRISHNA G
IPC: C09D5/04
Filed: 1998-05-04
Abstract: Disclosed is a coating composition comprising (A) a film forming resin; (B) a rheology control agent; and (C) a pigment.
Patent CA-2238250-A1 (CA)
Inventor: KYONO TETSUYUKI
IPC: D01F9/145
Filed: 1998-05-22
Abstract: Chopped carbon fibers, comprising a set of chopped carbon fibers impregnated with a sizing agent, the short fiber bundle pieces constituting the set, having an average weight per unit length of 1.7 to 4 mg/mm in the fiber length direction and a coefficient of variation of 30 to 60% in the distribution of weights per unit length in the fiber length direction. The chopped carbon fibers can be used for molding a carbon fiber reinforced composite product.
Patent CA-2238939-A1 (CA)
Inventor: BOUSSOUIRA BOUDIAF
IPC: A61K8/29
Filed: 1998-05-26
Abstract: La présente invention concerne de nouvelles compositions cosmétiques et/ou dermatologiques comprenant, dans un support cosmétiquement et/ou dermatologiquement acceptable, i) un dérivé de dibenzoylméthane, en particulier du 4-tert-butyl-4'-méthoxydibenzoyl-méthane et ii) au moins un polymère polyaminé. Ces compositions sont particulièrement photostables. L'invention concerne également l'utilisation de ces compositions dans les domain es cosmétique et/ou dermatologique.
Patent CA-2243089-A1 (CA)
Inventor: POHL DAVID
IPC: B29C55/00
Filed: 1998-07-10
Abstract: A tubular film for encasing food. The tubular film comprises a material which has been regenerated from a viscose solution. The tubular material is longitudinally stretched by from +8 to +40 percent and transversely stretched by from -20 to +40 percent while wet and the stretch is maintained during drying, said transverse stretch and longitudinal stretch being sufficient to obtain a surface area increase of at least 10 percent from the point of regeneration. In general, the tubular material has a wall thickness of from about 60 to about 90 percent of the same tubular material except without the combined stretch. The invention also includes the method for making the tubular material by stretching the regenerated tubular material while wet and maintaining the stretch during drying.
Patent CA-2244963-A1 (CA)
Inventor: MAROY PIERRE
IPC: C09K8/46
Filed: 1997-01-29
Abstract: According to the present invention, it is proposed to use 50 micron screened solid particles as fluid loss control agents in cement compositions used for cementing oil, gas, water, and geothermal wells. The present invention relates also to cement compositions comprising 50 micron screened solid particles.
Patent CA-2246141-A1 (CA)
Title: Scraping apparatus and scraping method
Inventor: TANAKA HISAO
IPC: B23K26/08
Filed: 1998-08-27
Abstract: A scraping apparatus in which a scraping process is performed on a surface of a work to be machined to form recesses thereon by converging a laser beam outputted from a laser oscillator by a converging lens and irradiating the converged laser beam onto the work relatively moving to the laser beam for removing some portions by being melted or evaporated from the surface thereof.
Patent CA-2247026-A1 (CA)
Inventor: KIMES DONALD F
IPC: B29L7/00
Filed: 1997-02-04
Abstract: The invention is a uniaxially oriented film (10) comprising a polymer film (16) of at least one layer wherein within the layer is located a strata of voids. The voids cause the film to have an opacity greater than about 30 %. The invention is further a uniaxially oriented film comprising a polymer film of at least one layer wherein within the layer is located a strata of voids wherein essentially all of the voids are closed. The invention is further a process for orienting a voided film comprising the step of orienting a film consisting essentially of non-spherical void initiating particles wherein the particles cause the film to have an opacity greater than about 30 %. The invention is further the process for uniaxially orienting the above films.
Patent CA-2248954-A1 (CA)
Title: Cutter tooth holder assembly
Inventor: SHINN RICKEY D
IPC: B02C18/14
Filed: 1998-09-28
Abstract: A cutter tooth holder assembly is adapted for attaching a cutter tooth having a plurality of spaced cutting tips to a rotatable cutter drum. The tooth holder assembly includes a base for being amounted to an outer peripheral surface of the cutter drum. The base has a tooth-locking. circumferentially-extending groove formed in its top surface. A tooth holder is positioned in the tooth-locking groove, and has a front bearing surface residing adjacent a back end o~the cutter tooth. flee cutter tooth is arranged such that one of the cutting tips resides in the tooth-locking groove to prevent rotational movement of the cutter tooth during operation of the cutter drum, while an opposed second one of the cutting tips resides in a cutting position relative to the outer surface of the drum. An elongate, threaded bolt cooperates with the tooth holder for attaching the cutter tooth to the tooth holder assembly.
Patent CA-2251901-A1 (CA)
Inventor: DELAGE OLIVIER
IPC: A47C7/38
Filed: 1997-04-15
Abstract: L'invention a pour objet un dispositif de blocage en hauteur d'un appui-tête de siège, notamment de véhicule automobile, ledit appui-tête comprenant au moins une broche engagée dans une douille (1; 30) solidaire de la structure (2) dudit siège. Selon l'invention, il comprend au moins une baque (3; 32) disposée dans un logement (12) de ladite douille et agencée pour recevoir et serrer ladite broche, ladite bague et ledit logement possédant des surfaces de came (15, 17, 18, 19) coopérantes pour que la bague sélectivement resserre ou relâche ladite broche lorsque ladite bague est soumise, par l'intermédiaire de ladite broche, à des efforts de direction prédéterminée.
Patent CA-2255159-A1 (CA)
Title: Coatings with improved resistance to suntan lotion
Inventor: SHAFFER MYRON W
IPC: C08G18/46
Filed: 1998-12-04
Abstract: The present invention relates to an aqueous coating composition containing prior to the reaction between components A) and B) A) 10 to 75 wt.%, based on the solids contents of components A) and C), of at least one dispersion or solution of a polyester polyol containing carboxylate and/or sulphonate groups, having a weight average molecular weight of 1,000 to 40,000, an OH number of 15 to 100 and an acid number of 2 to 40 based on all of the carboxylate, carboxyl and sulphonate groups, B) an ester-modified polyisocyanate having an average NCO functionality of 2 to 6 and containing 5 to 20 wt.% of ester groups (calculated as C3O2, MW 68), 5 to 18 wt.% of isocyanate groups and 0 to 20 wt.% of chemically incorporated hydrophilic, nonionic groups, wherein the preceding percentages are based on the solids content of the ester modified polyisocyanate and C) 25 to 90 wt.%, based on the solids contents of components A) and C), of at least one physically drying, aqueous polyurethane dispersion containing carboxylate and/or sulphonate groups, wherein components A) and B) are present at an NCO/OH equivalent ratio, based on the isocyanate groups of component B) and the hydroxyl groups of component A), of 0.3:1 to 5:1. The present invention also relates to the coatings prepared from these coating compositions, which have improved resistance to suntan lotion.
Patent CA-2257595-A1 (CA)
Title: Signaling protocol for rerouting atm connections in pnni environments
Inventor: SONCODI ADRIAN C
IPC: H04L12/56
Filed: 1998-12-29
Abstract: A method in a connection based communication network for rerouting a call connection path coupling a calling and a called party. Rerouting is done within a peer group and may be performed in any peer group level along the connection path. The method allows individual segments within peer groups to be rerouted for a number of different reasons such as fault recovery, route optimization, bandwidth adjustment, and load balancing. The reroutable call paths are implemented by inserting rerouting information elements in the standard setup and connect messages used to create call paths in PNNI environments. These information elements permit both nonpreemptive rerouting, establishing a new call path before the old one is terminated and preemptive rerouting, establishing a new path after the old one is terminated. Additional features such as, preserving QoS metrics during rerouting and separately identifying differentincarnations of segments along the same call path are also provided.
Patent CA-2258583-A1 (CA)
Inventor: BOSTOCK HAYDEN
IPC: B68C3/02
Filed: 1997-06-20
Abstract: A safety stirrup comprising: an inverted U-shaped mounting member (11) having means located in the arcuate portion of the U to enable a stirrup strap to be attached thereto; restriction means (40a, 40b) acting between a foot upper restraining portion (16a, 16b) and the inverted U-shaped mounting member (11) to restrict the movement of the foot upper restraining portion (16a, 16b) to the direction which is opposite to the direction in which the foot is inserted: wherein a foot support (12) is releasable from a pivotal mounting at one extremity of said mounting member (11) after pivoting of said foot support (12) from the normal in use arrangement and the other extremity of said mounting member (11) is pivotal outwardly, and wherein said pivoting of the foot support (12) from the normal in use arrangement enables the arms of the foot upper restraining portion (16a, 16b) to pivot outwardly and/or said foot support (12) to release from said one extremity of said mounting member (11).
Patent CA-2259374-A1 (CA)
Title: Systeme de synthese vocale
Inventor: XYDEAS COSTAS
IPC: G10L19/10
Filed: 1997-07-07
Abstract: Système de synthèse vocale dans lequel un signal de voix est divisé en une série de trames, et chaque trame est convertie en un signal codé comprenant une classification voisée/non voisée et une estimation de hauteur tonale, dans lequel un segment de voix filtré avec un filtre passe-bas centré sur un échantillon de référence est défini dans chaque trame, une valeur de corrélation est calculée pour chaque proposition d'une série de propositions de hauteur tonale, cette valeur représentant le maximum d'une multiplicité de valeurs d'intercorrélation dérivées de segments de voix de longueur variable centrés sur l'échantillon de référence. Les valeurs de corrélation sont utilisées pour former une fonction de corrélation pour définir des pics, les localisations de ces pics étant déterminées et utilisées pour établir une estimation de hauteur tonale.
Patent CA-2259550-A1 (CA)
Title: Cosmetic or dermatological compound containing at least one natural, recombinant or analogous arachnid silk protein
Inventor: ARRAUDEAU JEAN-PIERRE
IPC: A61Q5/00
Filed: 1999-02-05
Abstract: A cosmetic or dermatological composition containing, as an active substance, at least one natural or recombinant spider silk protein, or an analog of such a protein. The composition may be in the form of hair products, skincare products, make-up products or antisun products.
Patent CA-2261343-A1 (CA)
Inventor: AUDONNET JEAN-CHRISTOPHE
IPC: A61K39/295
Filed: 1997-07-16
Abstract: An avian vaccine formula including at least three polynucleotide vaccine valencies that each include a plasmid containing an avian pathogen valency gene capable of being expressed in vivo in host cells. Said valencies are selected from the group which consists of Marek's disease virus, Newcastle disease virus, infectious bursal disease virus, infectious bronchitis virus and infectious anaemia virus. The plasmids include one or more genes per valency, and said genes are selected from the group which consists of gB and gD for Marek's disease virus, HN and F for Newcastle disease virus, VP2 for infectious bursal disease virus, S, M and N for infectious bronchitis virus and C + NS1 for infectious anaemia virus.
Patent CA-2261754-A1 (CA)
Title: Compositions detergentes comportant une amylase perfectionnee pour le nettoyage de tissus delaves
Inventor: RAI SAROJ
IPC: C11D3/386
Filed: 1996-08-01
Abstract: La présente invention se rapporte à l'utilisation d'une amylase spécifique dans une composition détergente destinée à la lessive, qui permet d'améliorer les résultats de lavage des tissus, notamment au niveau des tâches et salissures estompées.
Patent CA-2268250-A1 (CA)
Title: A microporous crystalline silico-alumino-phosphate composition, catalytic material comprising said composition and use of these for production of olefins from methanol
Inventor: FUGLERUD TERJE
IPC: C01B25/45
Filed: 1997-10-08
Abstract: The invention concerns microporous crystalline silico-alumino-phosphate (SAPO) compositions, catalytic materials comprising said composition, and use of these for production of olefins from methanol. The catalysts comprise silico-alumino-phosphate materials with AEI/CHA-mixed phase composition. The invented catalysts have prolonged life compared to those belonging to the prior art.
Patent CA-2269548-A1 (CA)
Title: Pole and method for its manufacture
Inventor: THOGERSEN THOMAS-PETER
IPC: B29C70/44
Filed: 1997-10-08
Abstract: A pole (1), for example a flagpole, is made of a material which is mainly made up of a first component, such as glass, and a second component, such as a polymer. The two components enter into the material as premade composite fibres formed by both components, in the form of a web (2) of rovings. The polymer is a thermoplastic polymer, for example polypropylene, and the pole is made of the composite fibres under heat stress which softens the polymer and thereby joins the composite fibres so that they, after cooling, assume fixed shape. In this way, for example a flagpole which is less expensive than a conventional flagpole of for example glass-fibre reinforced polyester and which, at the same time, has just as good properties, can be manufactured.
Patent CA-2269860-A1 (CA)
Inventor: YOSHIDA TAKEHIKO
IPC: G02C13/00
Filed: 1999-04-23
Abstract: An eyeglasses lens-installing apparatus includes a lens.      A substantially elliptical through-hole is formed in the vicinity of an edge of the lens. A substantially elliptical columnar member disposed on a lens sandwiching part of a connection member is fitted into the through-hole from one main surface side of the lens. The columnar member has a hole formed therein. A screw portion is provided on the inner peripheral surface of the hole of the columnar member. The columnar member is integral with the lens sandwiching part and the lug. A fastener is inserted into the through-hole from the other main surface side of the lens.      The fastener includes a fixing part having a male screw portion disposed on the periphery thereof and a head part. The fastener is inserted into the through-hole, with a close-contact member installed on the periphery of the fixing part. At this time, the fixing part of the fastener is screwed on the screw portion of the columnar member. As a result, the fastener and the columnar member are fixed to each other.
Patent CA-2272218-A1 (CA)
Title: Fishing reel
Inventor: KMETYKO SANDOR
IPC: A01K89/06
Filed: 1999-05-18
Abstract: A fishing reel includes a frame, a base for securing the frame to a fishing rod, a fishing line spool rotationally mounted to the frame for rotation about a spool axis, a main drive gear mounted within the frame for rotation about a drive gear axis, a crank for rotating the drive gear about the drive gear axis, and a transmission for releasably engaging the drive gear with the spool. The transmission includes a spool gear fixedly mounted to the spool and an intermediate gear moveable between a first position engaging the drive gear in gear transmission engagement with the spool gear and a second position where such engagement is released. If desired, the reel may include a drag mechanism releasably engageable with the spool gear for imposing a drag upon rotation of the spool. Further, the reel may include a line guide for guiding fishing line being wound on the fishing line spool.
Patent CA-2272248-A1 (CA)
Title: Device and method for the ultrasonic detection of smooth surface lesions on tooth crown surfaces
Inventor: BAB ITAI
IPC: A61C/
Filed: 1997-11-26
Abstract: This invention is a device and method for the detection of smooth surface lesions such as caries and tooth crown surface cracks on a tooth crown surface, the device having an ultrasonic surface wave transmitter/receiver (20) capable of transmitting ultrasonic surface waves along a tooth crown surface. Surface lesions encountered by the ultrasonic surface waves produce ultrasonic surface wave reflections which are receivable at the generator/receiver, thus enabling the presence of the lesion to be detected. The ultrasonic surface wave generator/receiver may comprise a transducer operatively connected to a wedge-like coupler (30). Longitudinal ultrasonic waves generated by the transducer are imparted onto the tooth surface by the coupler which has a contact surface in contact with the tooth surface being tested. The coupler also enables ultrasonic surface wave reflections to be received by the transducer.
Patent CA-2273594-A1 (CA)
Inventor: WALL WESLEY JAMES
IPC: E04H17/00
Filed: 1999-06-01
Abstract: A pole cap includes a frame having an exterior surface, an outer peripheral edge and an inner peripheral edge. The inner peripheral edge defines an opening. A removable insert is detachably secured in the opening. The insert is removable from the frame to facilitate inspection of an uppermost extremity of the pole.
Patent CA-2274407-A1 (CA)
Title: Antenna sharing device for dual frequency band
Inventor: YANO TAKESHI
IPC: H04B1/40
Filed: 1999-06-11
Abstract: An antenna sharing device for dual frequency band comprises first and second transmitter side filters (1, 4), first and second receiver side filters (13, 14) and first through third switches (2, 5, 11) for selectively connecting a common antenna with a selected one or two of the filters. When the transmission mode is selected by the third switch, the first and second transmitter side filters are possible to be selectively connected to the antenna through the first and second switches. When the reception mode is selected by the third switch, the first and second transmitter side filters are disconnected from the antenna while the first and second receiver side filters are commonly connected to the antenna.      In tha device, a transmission signal from one of the first and second transmitter side filters is avoided from flowing to the first and second receiver side filters and to the other of the first and second transmitter side filters. The first and second transmitter, side filters may be first and second low pass filters for passing a first and a second transmission frequency signals, respectively. The first through third switches may be of electronic switches.
Patent CA-2274709-A1 (CA)
Inventor: LAWLOR SHAWN P
IPC: F01D1/34
Filed: 1997-12-16
Abstract: Un générateur d'énergie (100) à statoréacteurs comprend des statoréacteurs supersoniques (U) dont les orifices d'entrée sont partiellement carénés. Le carburant est oxydé dans les statoréacteurs de façon à produire une poussée et à faire tourner un arbre (110). Le mélange efficace de l'oxydant et du carburant avant leur entreé dans le dispositif combustor du statoréacteur, associé au court temps de séjour dans la chambre de combustion, minimise la formation d'oxydes d'azote.