baber/WOPTO huggingface dataset:
Patent CA-2254480-A1 (CA)
Inventor: CUPPEN NOLAN
IPC: E21B33/04
Filed: 1998-11-19
Abstract: A tubing rotator and hanger connects to a wellhead having a wellhead flange. The rotator has a main body which includes a rotator flange mountable on a top side of the wellhead flange. A bore extends through the rotator body for inserting a mandrel therethrough. A load shoulder on a top end of the mandrel is supported by bearings on the rotator body. A removable split ring is located within an annular recess around the top end of the mandrel for connecting the mandrel to the load shoulder. A dognut is connected to a bottom end of the mandrel such that the dognut is disengaged from the wellhead during rotation of the tubing. A gear set within the rotator body rotates the mandrel in relation to the rotator body for rotating the tubing. A pair of pressure test ports connect an inner face of the rotator body to an outer face of the rotator body for monitoring pressure within the tubing rotator and hanger. A method is provided for removing the rotator body from the wellhead. The method includes connecting a pick up sub to an upper end of the mandrel for raising the mandrel such that the split ring may be removed. The mandrel is then lowered such that the dognut is seated within the wellhead. The pick up sub is then disconnected so the rotator body may be lifted from the wellhead.
Patent CA-2255633-A1 (CA)
Inventor: DELUCCA BARBARA
IPC: C11D7/32
Filed: 1997-05-16
Abstract: The present invention is a liquid acidic composition comprising from 0.01 % to 45 % by weight of the total composition of maleic acid, from 0.01 % to 25 % by weight of a second acid having its first pKa not exceeding 5, and an amine according to the formula RR'R"N, wherein R is a saturated or unsaturated, substituted or unsubstituted, linear or branched alkyl group of from 1 to 30 carbon atoms, and wherein R' and R" are independently saturated or unsaturated, substituted or unsubstituted, linear or branched alkyl groups of from 1 to 30 carbon atoms or hydrogen. These compositions deliver excellent limescale removal performance as well as outstanding greasy soap scum cleaning on hard-surfaces.
Patent CA-2260334-A1 (CA)
Title: Bonding a diamond compact to a cemented carbide substrate
Inventor: SWEENEY CHARLES GERARD
IPC: C04B37/02
Filed: 1999-01-25
Abstract: A method of bonding a diamond compact comprising a polycrystalline mass of diamond and a bonding phase which contains free-silicon to a substrate is provided. The method includes the steps of contacting a surface of the compact with carbon or nitrogen or a mixture thereof under conditions suitable to cause free-silicon in the surface to react with the carbon and/or nitrogen and thereafter bonding that surface to the substrate, preferably by means of a braze. In a preferred form of the invention, the surface which is bonded to the substrate is acid cleaned after contact of that surface with carbon or nitrogen or a mixture thereof.
Patent CA-2263135-A1 (CA)
Inventor: NEWBURY JOHN PAUL
IPC: C08J5/18
Filed: 1997-08-12
Abstract: Use in the manufacture of extruded lyocell articles of cellulose having a value of Pipe Flow Index (as defined) to Jet Flow Index (as defined) in the range from 0.85 to 6 can offer a number of advantages, particularly in cellulose solution transport and in spinning stability. Pipe Flow Index is designed to assess the flow performance of cellulose solution under low shear conditions typically experienced in transfer pipework. Jet Flow Index is designed to assess the flow performance of cellulose solution under high shear conditions typically experienced during extrusion. The extruded lyocell articles are made by a method which comprises the steps of: (1) dissolving cellulose in an aqueous tertiary amine N-oxide solvent to form a solution; (2) extruding the solution through a die by way of a gaseous gap into a coagulating bath to form an extruded lyocell precursor; (3) washing the extruded lyocell precursor free from tertiary amine N-oxide; and (4) drying the washed lyocell precursor, thereby forming the extruded lyocell article.
Patent CA-2263894-A1 (CA)
Title: Nouveaux facteurs de croissance humains
Inventor: YU GUO-LIANG
IPC: A61K38/00
Filed: 1997-08-22
Abstract: La présente invention concerne des protéines huXAG-1, huXAG-2 et huXAG-3, lesquelles sont de nouveaux facteurs de croissance humains. Ces protéines partagent une homologie avec la protéine XAG de Xenopuse laevis et peuvent être rencontrées dans les tissus du colon. La huXAG-1 est rencontrée spécifiquement dans des cellules cancéreuses du colon et peut être par conséquent un facteur de croissance du cancer du colon. L'invention concerne notamment des molécules d'acide nucléique isolées codant les protéines huXAG-1, huXAG-2 et huXAG-3. De plus, l'invention concerne des polypeptides huXAG-1, huXAG-2 et huXAG-3, ainsi que des vecteurs, des cellules hôtes et des procédés de recombinaison destinés à leur production. En outre, l'invention concerne des procédés de criblage destinés à identifier des agonistes et des antagonistes de l'activité huXAG-1, huXAG-2 ou huXAG-3, ainsi que les utilisations diagnostiques et thérapeutiques des protéines.
Patent CA-2264488-A1 (CA)
Inventor: MUNDT EGBERT
IPC: C12N15/09
Filed: 1997-07-31
Abstract: A system for the generation of live Birnavirus such as infectious bursal disease virus (IBDV), a segmented double-stranded (ds)RNA  virus of the Birnavirdae family, using synthetic transcripts derived from cloned DNA has been developed. Independent full-length cDNA  clones were constructed which contained the entire coding and non-coding regions of RNA segments A and B of IBDV, respectively.  Synthetic RNAs of both segments were produced by in vitro transcription of linearized plasmids with T7 RNA polymerase. Transfection of Vero cells with combined plus-sense transcripts of both segments generated infectious virus as early as 36 hours post-transfection.  The development of a reverse genetics system for dsRNA viruses will greatly facilitate studies of the regulation of viral gene expression pathogenesis, and design of a new generation of live and inactivated vaccines.
Patent CA-2265426-A1 (CA)
Title: Method for preparing [f-18]-fluoride ion
Inventor: INO SENTO
IPC: A61K51/00
Filed: 1999-03-15
Abstract: The present invention provides a method for preparing [F-18]-fluoride ion which comprises the step of bringing [O-18]-enriched water containing [F-18]-fluoride ion formed by proton irradiation of [O-18]-enriched water into contact with a strongly acidic cation exchange resin to remove impurity cations, the step of then bringing the [O-18]-enriched water contain-ing [F-18]-fluoride ion treated above into contact with a weakly basic anion exchange resin to make [F-18]-fluoride ion adsorbed to the resin and, along therewith, to recover the [O-18]-enriched water which has passed through the resin, and the step of eluting and collecting the [F-18]-fluoride ion adsorbed to the weakly basic anion exchange resin. According to the method for preparing [F-18]-fluoride ion of the present invention, [F-18]-fluoride ion can be collected at a high collection efficiency even from a larger amount (about 2 ml or more) of [O-18]-enriched water containing [F-18]-fluoride ion than the amount in prior method, and moreover expensive [O-18]-enriched water can be recovered and reused in the preparation of [F-18]-fluoride ion.
Patent CA-2268158-A1 (CA)
Inventor: STRICKLER GARY R
IPC: B01J31/08
Filed: 1997-10-03
Abstract: This invention relates to a method for producing glycols. Such a method is particularly useful for preparing ethylene glycol from ethylene oxide and water. The method of this invention is a synergistic combination of the process of evaporation, absorption, and reaction, combined to enhance reactions of yields for reactions of epoxides with compounds containing hydroxy functional groups. Such method comprises making glycol in an evaporation column reactor as follows: (a) feeding a hydroxy compound into the reactor; (b) feeding an epoxide into the reactor such that the epoxide compound is contacted with hydroxyl compound in a reaction zone under conditions such that substantially all of the epoxide reacts to form a product comprising a glycol which is dissolved in liquid hydroxyl compound; (c) removing the mixture of liquid hydroxyl compound and dissolved glycol away from the reaction zone; and (d) heating the mixture of liquid hydroxyl compound and dissolved glycol such that at least some of the hydroxyl compound is evaporated away from the glycol; and (e) condensing and refluxing the evaporated hydroxyl compound and combining it with the hydroxyl compound of Step (a). In one aspect of the invention, the epoxide feed described in Step (b) enter the reactor through at least two distinct ports within the reactor. In another aspect of this invention, the method is synergistically conducted in at least two sequential evaporation columns which together form a multiple effect evaporation column reactor.
Patent CA-2268256-A1 (CA)
Title: Method and apparatus for drilling and completing wells
Inventor: WATKINS LARRY A
IPC: E21B47/10
Filed: 1997-08-08
Abstract: A method and apparatus for drilling and completing a bore hole are disclosed.  The method comprises positioning a work string in the well, with a bottom hole assembly attached. The bottom hole assembly can include a drill bit, a drilling motor, orientation instrumentation, and a completion assembly. A  fluid is circulated to drive the drill bit to drill the well to a target formation. Then, the completion assembly is used to produce fluids from the formation. Gravel packing can also be performed with the bottom hole assembly.
Patent CA-2270778-A1 (CA)
Title: Systeme pour raccorder des elements adjacents de materiau de revetement de sol
Inventor: ANDERSSON KJELL
IPC: E04F15/04
Filed: 1997-10-24
Abstract: Système pour raccorder des éléments adjacents (1, 2) de matériau de revêtement de sol. Les parties de bord des éléments (1, 2) qui se font face au niveau d'un joint sont profilées, un élément (1) présentant un espace creux en forme de rainure (5) dans lequel une partie saillante arrondie (6) correspondante de l'autre élément (2) peut venir se loger. Un élément porte un flocage (9) placé de manière à retenir ensemble les éléments adjacents. Outre l'espace creux (5) et la partie saillante (6), le profil présente des surfaces (7, 8) se faisant face sur les deux éléments (1, 2 respectivement), au moins une de ces surfaces étant floquée (9). Le ou les flocage(s) (9) sont disposés à l'extérieur des surfaces délimitant l'espace creux (5) et la partie saillante (6).
Patent CA-2270988-A1 (CA)
Inventor: BROADWELL ANDREW
IPC: A01N63/23
Filed: 1997-11-18
Abstract: The present invention provides a novel Bacillus thuringiensis strain that exhibits broad antifungal and antibacterial activity. The invention also provides the use of the Bacillus thuringiensis strain or the antibiotic produced by the strain for control of a broad range of fungal and bacterial plant pathogens.
Patent CA-2271021-A1 (CA)
Title: Ocean wave energy extraction
Inventor: DENNISS TOM
IPC: F03B13/24
Filed: 1997-11-10
Abstract: A parabolic or part parabolic focusing device located in the ocean comprises wall sections (5) which converge a parallel ocean wavefront to foci (9, 10) located in an air compression chamber (11) located between the wall sections (5), thereby providing a wave amplification effect. An oscillating wave surface produces an oscillating air column inside the chamber (11) to drive a self-rectifying turbine located in an outlet at the top of the chamber. The turbine comprises a rotor with radially oriented aerofoil shaped blades which are symmetrical in cross section about a transverse plane so that the turbine rotates in a single direction regardless of the oscillations in the air column. Several mechanisms to vary the pitch of the blades are also disclosed.
Patent CA-2271609-A1 (CA)
Inventor: SANBORN DALE
IPC: B27B31/00
Filed: 1999-05-13
Abstract: An automated log pre-positioning and turning system including a log manipulating mechanism with a C-shaped positioning unit for capturing, rotating, skewing, or otherwise moving logs. The system may be used to entirely replace antiquated sawmill systems or may be used in part to replace antiquated turning elements with the inventive log manipulating mechanism and its C-shaped positioning unit. The log manipulating mechanism is designed to operate in cooperation with computerized scanning equipment without requiring excessive modifications to do so. With relatively few mechanical parts, the log manipulating mechanism includes both rotational and skewing capabilities to position a log quickly and automatically with both precision and finesse.  This provides new and useful pre-positioning, turning, and skewing features that increases sawmill productivity, while effectively decreasing log waste.
Patent CA-2273341-A1 (CA)
Inventor: FABRY BERND
IPC: A61K31/56
Filed: 1997-11-19
Abstract: Il est proposé, selon l'invention, pour produire des agents hypocholestérolémiants, d'utiliser des mélanges de principes actifs contenant (a) des phytosténols et/ou des esters de phytosténol et (b) des agents de potentialisation choisis dans le groupe comprenant des chitosanes, des sulfates de phytosténol et/ou des acides (désoxy)ribonucléiques. Bien que les agents de potentialisation n'aient eux-mêmes qu'un faible effet hypocholestérolémiant, voire aucun, ils augmentent la vitesse à laquelle les esters de phytosténol font baisser la teneur en cholestérol du sérum. Grâce à leur encapsulation dans de la gélatine, ces agents peuvent être administrés sans problèmes, même par voie orale, en doses élevées.
Patent CA-2274019-A1 (CA)
Title: Phenyl glyoxamides as spla2 inhibitors
Inventor: GOODSON THEODORE JR
IPC: C07F9/40
Filed: 1997-11-25
Abstract: A class of novel phenyl glyoxamides is disclosed together with the use of such compounds for inhibiting sPLA2 mediated release of fatty acids for treatment of conditions such as septic shock.
Patent CA-2274360-A1 (CA)
Title: Animal confinement shelter with accelerated decomposition of waste
Inventor: TRIPP HERMAN W
IPC: A01C3/00
Filed: 1999-06-14
Abstract: The one-step system of the present invention provides a highly sanitary, efficient, economical and humane method for raising pigs from birth to finished product.  Farrowing and raising pigs in just one location helps to reduce virus and bacteria problems as compared with conventional methods and significantly reduces labor costs. As a result, the mature hog is healthier and also more profitable. By slowing composting fibrous material and manure on-site, the waste management system of the one-step system completely eliminates the need for offensive lagoons, and recycles the manure for end products useful in gardening and agricultural applications.
Patent CA-2276431-A1 (CA)
Title: Beeper holder
Inventor: HYATT ROBERT LEE
IPC: B60R11/00
Filed: 1998-01-28
Abstract: A beeper holder (10) for mounting a portable electronic device on a stationary surface comprising a base member (20) defined by front (22), back (24), top (26) and bottom (28) walls, a holder member (30) having a bottom wall (32) which under side is the base member (20), top wall (26), and a spaced-apart rear wall (34) and a clip wall (36) moveable between a retained position and a released position.
Patent CA-2276884-A1 (CA)
Title: Suspended luminaire assembly
Inventor: BOOMGAARDEN MARK P
IPC: F21V29/15
Filed: 1999-07-02
Abstract: A luminaire assembly adapted for being suspended from an overhead location includes an electrical assembly having a housing with a longitudinal axis, a main housing portion, and an outwardly extending lower edge portion. It also includes an optical member having an interior surface and an upper opening. The interior surface includes an end wall disposed about the upper opening. The upper opening receives the elongated housing therethrough and is coaxial therewith, and also has a shape which corresponds to the elongated housing. In a suspended orientation for the luminaire assembly, the housing projects from the upper opening of the optical member so that the lower edge portion is adjacent to the end wall and extends around the upper opening for retaining and suspending the optical member. In a nested orientation the main housing portion of the elongated housing is disposed within the optical member so that the lower edge portion is distal the upper opening.
Patent CA-2277537-A1 (CA)
Title: Vegetarian dietary supplement drug
Inventor: PARTRIDGE NANCY LEIGH
IPC: A61K33/30
Filed: 1999-07-08
Abstract: A vegetarian dietary supplement drug specially formulated to provide the nutrients which can be deficient in the Vegetarian diet. This supplement will provide a unique combination of the potentially deficient nutrients including Vitamin B2, Vitamin B12, Vitamin D, Iron, Zinc and Calcium. The supplement will be taken orally in the form of tablets, capsules, liquid or powder in a recommended daily dosage. The recommended daily dosage will supply these nutrients in levels which will considerably contribute towards the prevention of nutrient deficiencies associated with the vegetarian diet and the onset of medical conditions associated with such deficiencies.
Patent CA-2278147-A1 (CA)
Title: Injection molding of microcellular material
Inventor: STEVENSON JAMES F
IPC: B29C48/38
Filed: 1998-01-16
Abstract: Injection molding systems and methods useful for making microcellular foamed materials are provided as well as microcellular articles. Pressure drop rate and shear rate are important features in some emdodiments, and the invention provides systems for controlling these parameters in an injection molding system. Another aspect involves an injection molding system including a nucleator that is upstream of a pressurized mold. Another aspect involves an extrusion system with the reciprocating screw for forming a single phase solution of non-nucleated blowing agent and polymeric material. Another aspect involves very thin walled microcellular material and very thin walled polymeric material. Another aspect provides a method for producing high weight reductions in very thin walled parts with surfaces that have no noticeable differences from non-foamed parts.
Patent CA-2278883-A1 (CA)
Title: Very large scale immobilized peptide synthesis
Inventor: PIRRUNG MICHAEL C
IPC: C12Q1/68
Filed: 1990-06-07
Abstract: A method and device for preparing desired sequences on a substrate at known locations. Known locations (10) of a substrate (2) are irradiated by way of a mask (8) so as to activate a material (4) for binding. The substrate is then exposed to a first material (12) for binding thereto. Second locations (14) are then irradiated through a mask and exposed to a second material (16). A variety of sequences may be formed through selective irradiation of the substrate followed by application of selected materials. A reactor system and fluorescence detection system are also disclosed.
Patent CA-2280079-A1 (CA)
Inventor: ELLINGSEN OLAV
IPC: E21B43/29
Filed: 1999-08-11
Abstract: A method for enhanced oil recovery from horizontal or verical wells with liners in an oil reservoir, wherein the separate well is electrically stimulated. An electric current is serially delivered to electrically separated liners in the individual well in the oil producing formation, whereby the electric current will flow in the formation between the electrically separated liners and cause a heating of the vicinity of the well bore.
Patent CA-2280089-A1 (CA)
Title: Compositions and methods for reducing ocular hypertension
Inventor: REED KENNETH WARREN
IPC: A61B5/11
Filed: 1998-03-13
Abstract: An improved ophthalmic composition, including prostaglandin active agents, which is especially useful in lowering intraocular pressure associated with glaucoma. Improvements in IOP reduction efficacy, preservative efficacy and reduced additive concentrations are achieved by utilizing the disclosed compositions which include a prostaglandin active agent (e.g., isopropyl unoprostone, a metabolite of an F-series prostaglandin), in conjunction with selected non-ionic surfactants, preservatives, and non-ionic tonicity adjusting agents.
Patent CA-2280878-A1 (CA)
Title: An amplifier for continuous high gain, narrowband signal amplification
Inventor: CLOUTIER MARK
IPC: H03J3/08
Filed: 1998-12-09
Abstract: An apparatus and method to obtain a high Q, narrowband active filter with high gain suitable for an integrated circuit implementation. The high Q is achieved via active feedback with an amplitude control loop. The frequency control of the active filter is achieved by means of a frequency locked loop. Both control loops compare the thermal noise of the active filter itself to voltage and frequency references to achieve the stable operating point. Control loops are normally slow relative to the transmitted data, hence avoiding the data altering the operating point of the filter.
Patent CA-2282098-A1 (CA)
Title: Pressure-sensitive adhesive sheet for skin adhesion and first-aid adhesive plaster using the same
Inventor: KINOSHITA TAKASHI
IPC: A61L15/20
Filed: 1999-09-13
Abstract: A pressure-sensitive adhesive sheet for skin adhesion in which an adhesive force of the pressure-sensitive adhesive on the backing film does not lower greatly even with the lapse of long term and the initial adhesive force is substantially maintained, and a first-aid adhesive plaster using the same are disclosed. The pressure-sensitive adhesive sheet for skin adhesion comprises a backing film and a pressure-sensitive adhesive layer for skin adhesion formed on one side of the backing film, wherein the backing film comprises about 40 to about 70 parts by weight of a polyester plasticizer having a number average molecular weight of about 1, 500 to about 3,000, an appropriate amount of a stabilizer comprising at least one metallic soap selected from the group consisting of fatty acid calcium, fatty acid zinc and fatty acid barium, and about 0.1 to about 1.0 part by weight of hydrotalcite per 100 parts by weight of a vinyl chloride polymer.
Patent CA-2283640-A1 (CA)
Inventor: REYMOND MARC ANDRE
IPC: C07K16/18
Filed: 1998-03-23
Abstract: Certain proteins (1A, 1B, 3A, 3B, 3C, 4A, 4B) are present in spots on 2D-PAGE run on protein extracted from epithelial colorectal tumour tissue from patients suffering from colorectal cancer, but are present at a lower intensity or absent in 2D-PAGE run on corresponding normal tissue. These proteins and antibodies thereto are useful in the diagnosis of colorectal cancer.
Patent CA-2284161-A1 (CA)
Inventor: GOODMAN DAVID MICHAEL
IPC: H04Q11/04
Filed: 1999-09-28
Abstract: A protection method for providing integrity of transport of a data packet stream over a plurality of synchronous digital channels each comprising a virtual container stream, the virtual container streams being virtually concatenated together is disclosed. Data packets from a data stream are mapped to a plurality of memory areas, from which the data packets are transferred to payloads of a plurality of virtual container streams which are carried over a synchronous digital network by a plurality of different routes, being either path connections or rings. Upon failure of a path or section, a receiving entity signals to a transmitting synchronous digital entity via conventional path or section termination signaling functions to alert the transmitting entity of a failure in a path or section. Upon receiving a path or ring failure signal, the transmitting entity gracefully degrades to offer a reduced bandwidth.