baber/WOPTO huggingface dataset:
Patent CA-2171676-A1 (CA)
Inventor: GOLDSTEIN LEON
IPC: H01L31/12
Filed: 1996-03-13
Abstract: Le dispositif est un semiconducteur qui comprend un laser (24) pour générer un premier signal optique ayant une certaine longueur d'onde et un photodétecteur (22) pour détecter un second signal optique ayant une autre longueur d'onde. Le dispositif comprend aussi un absorbeur (23) du premier signal disposé entre le laser et le détecteur qui font partie intégrante d'un guide d'onde optique. Le laser fonctionne pour générer le premier signal sous la forme d'une onde continue et est disposé entre l'absorbeur et un modulateur (25) sélectif du premier signal, de sorte à réduire les problèmes de diaphonies optique et électrique entre les fonctions d'émission et de réception. Application aux équipements d'émission/réception sur fibre optique chez l'abonné.
Patent CA-2171894-A1 (CA)
Title: Complete catalytic hydroconversion process for heavy petroleum feedstocks
Inventor: COLYAR JAMES J
IPC: C10G47/12
Filed: 1996-03-15
Abstract: A process for high catalytic hydroconversion of heavy liquid hydrocarbon feedstocks, such as petroleum resid containing at least about 40 vol% material boiling above 975°F+, using two-staged catalytic reactors operated at elevated temperature and pressure conditions so as to produce increased yields of lower boiling hydrocarbon liquids and gas products. In the process, the feedstock is reacted with hydrogen in a first stage catalytic ebullated bed reactor operated at 820-875°F temperature, 1500-3500 hydrogen partial pressure, and 0.30-1.0 V f/Hr/V r, space velocity. The first stage reactor effluent liquid portion is fed into a second stage catalytic reactor maintained at lower temperature of 700-800°F, 0.10-0.80 V f/hr/V r space velocity. The particulate catalyst material used in each stage reactor contains 2-25 wt.% active metals, and has 0.30-1.50 cm2/gm total pore volume and 100-400 m2/gm surface area. From the second stage reactor effluent, a vacuum bottoms fraction normally boiling above about 850°F and preferably above 900°F is removed and recycled back to the first stage reactor, so as to provide a recycle volume ratio to fresh feedstock of 0.2-1.5/1 and achieve increased hydroconversion to produce lower boiling liquid products. If desired, used catalyst withdrawn from the second stage reactor can be treated and passed back to the first stage catalytic reactor for further use therein before being discarded, so as to provide for matched reaction conditions and catalytic activity in each stage reactor.
Patent CA-2174687-A1 (CA)
Title: Method and apparatus for an improved computer pointing device
Inventor: KAPLAN ALAN EDWARD
IPC: G06F3/038
Filed: 1996-04-22
Abstract: There is provided a method and apparatus for an improved computer pointing device.  The present invention facilitates positioning the computer cursor and includes a pointing device for providing coordinate input signals and a gain control device for providing gain signals, wherein gain is defeined as the ratio of the cursor movement along the y-axis and x-axis relative to the corresponding amount movement of the pointing device along the y-axis and x-axis.  The coordinate input signals and gain signals are received by a processor. The processor is operative to execute a program that scales the coordinate input signals as a function of a gain value determined from the gain signal.  The processor then outputs the scaled coordinate input signals in a form simulating a mouse output.  The pointing device can be any computer peripheral device capable of providing coordinate input signals indicating an amount of movement along the y-axis and x-axis.  The gain control device is any device capable of providing gain signals to a processor.  One embodiment of the gain control device includes a variable resistor to manipulate the magnitude of the gain signal.  The gain control device can also include an analog/digital converter for converting the gain signal into digital form and a buffer amplifier for providing a low impedance input from the variable resistor to the analog/digital converter.     Preferably the gain signals emanating from the gain control device is manipulable by a foot pedal mechanism.
Patent CA-2177159-A1 (CA)
Title: Inlet extension for particulate and powdery material
Inventor: HAY ANDREW G
IPC: B65D88/66
Filed: 1994-12-06
Abstract: An improved solids pump apparatus (10) for for transporting and metering particulate material (25) including a transport channel having an inlet (14) and an outlet (16). The transport channel is formed between substantially opposed faces of first and second rotary discs (24) movable between the inlet (14) and outlet (16) towards the outlet (16) and at least one arcuate wall extending between the inlet and outlet. The apparatus further includes an inlet extension (15) and a device (14) provided adjacent the inlet extension (15) for improving the flow of the fine and powdery particulate solids within the apparatus.
Patent CA-2179193-A1 (CA)
Inventor: PALUMBO ANTHONY J
IPC: F16D1/091
Filed: 1994-12-19
Abstract: A pump (20) for pumping fluids in a filtration system is disclosed. The pump (20) has a thrust balancer to reduce axial loads on motor bearings of the pump (20) during operation of the pump (20). A drive system of the pump (20) includes a elongate flexible shaft (32) interconnecting a drive shaft (24) and an impeller shaft (34). The elongate flexible shaft (32) bends and twists to accommodate misalignment during assembly of the drive system. A seal assembly (26) is provided for sealing about a drive shaft (24). The seal assembly (26) is evacuated to prevent pumped fluid from contaminating fluids in a motor (22). A concentric coupling (30) and method for making the same are taught which include a cylindrical block which is concentrically bored and cut into an annular L-shaped segment (100) having an L-shaped notch and semi-cylindrical mating segment (110) which is received into the notch. The coupling concentrically joins a pair of shafts (24,32) together.
Patent CA-2179593-A1 (CA)
Title: Multilayer analytical element for the determination of an analyte in a liquid
Inventor: ZIMMER VOLKER
IPC: G01N33/52
Filed: 1996-06-20
Abstract: The invention concerns a multilayer analytical element for the determination of an analyte in a liquid containing a sample application zone and a detection zone which are arranged side by side in which the detection zone contains a reagent which forms a detectable signal with the analyte to be determined or with a substance derived therefrom, wherein the sample application zone and detection zone are arranged on a pile-like complex made of a fleece and a porous membrane which are in a direct or indirect contact that enables passage of liquid through the contact area and the membrane is a polyamide, polyvinylidene difluoride, polyether sulfone or polysulfone membrane which transports liquid significantly slower over the area than the fleece as well as a pile-like material complex made of a fleece and a porous membrane, wherein the membrane is a polyamide, polyvinylidene difluoride, polyether sulfone or polysulfone membrane which transports liquid significantly slower over the area than the fleece, the use of such a pile-like material complex for the production of a multilayer analytical element and a method for determining an analyte in a liquid by means of a multilayer analytical element.
Patent CA-2182078-A1 (CA)
Inventor: DRORI MORDEKI
IPC: B23Q1/48
Filed: 1995-01-25
Abstract: A key duplicating machine (10) and the method of operating the machine (10) when in one or more key cutters (12A, B, C) move linearly along an axis (22) perpendicular to the rotation of the key cutters (12A, B, C). The linear movement enables the cutters (12A, B, C) to precisely cut a single sided or double sided key blank (14, 16) to a profile corresponding to the key (18, 20) to be duplicated. In addition, the key to be duplicated (18, 20) and the keg blank (14, 16) are clamped together in a single operation in one clamping unit (26, 28) with one clamping force.
Patent CA-2182893-A1 (CA)
Inventor: GROENVOLD-HANSEN CHRISTEN
IPC: D21C7/08
Filed: 1995-01-24
Abstract: L'invention concerne un agencement de vanne pouvant être utilisé de préférence avec un système d'extraction comprenant des tamis de lessiveurs destinés à des liquides de lessiveurs dans des lessiveurs de cellulose. La vanne est caractérisée par un carter (1) présentant des orifices d'admission (7) destinés à du liquide de lessiveurs provenant de chaque tamis, et au moins une ouverture de sortie (5) destinée au liquide du lessiveur provenant des tamis, et également au moins une ouverture d'admission (8) pour le liquide du lessiveur destiné au rinçage des tamis, ainsi qu'un rotor (10) situé dans le carter (1), lequel est conçu pour fermer par intermittence au moins une des ouvertures (7) d'admission à partir des tamis, et au lieu de cela ouvrir ces derniers pour le liquide de rinçage.
Patent CA-2183219-A1 (CA)
Title: A laminated rubber stopper
Inventor: SUDO MORIHIRO
IPC: A61J1/05
Filed: 1996-08-13
Abstract: A laminated rubber stopper having a new structure, capable of being produced in a simple process with a reduced production cost and being excellent in tightness, sealing property and sanitary property, is provided, comprising a top part having a flange part and a leg part provided under the top part of the rubber stopper and to be inserted into the mouth part of a vial, at least a surface thereof to be contacted with a content in the vial being laminated with a fluoro resin film, in which the lower surface of the flange part has an annular concavity with a cross section of a circular arc from the periphery of the flange to the neck part.
Patent CA-2185833-A1 (CA)
Inventor: ATKINS JEAN
IPC: H04M3/42
Filed: 1996-09-18
Abstract: A method for selecting one of a plurality of line identification (ID) databases for validation of an operator-assisted call billed to a ported directory number account comprises determining whether billing information received from a caller is directory number-based. If the billing information is directory number-based, an operator services system (OSS) queries a number portability database to retrieve available routing information associated with billing information provided by the caller. The routing information is used to access a billing acceptance database which stores a list of those service providers which allow the OSS to access their customer data. If the OSS is able to access an identified service provider's data, the routing information received from the number portability database is used to route a billing validation request to a selected one of the plurality of line ID databases.
Patent CA-2187719-A1 (CA)
Title: Trocar having an improved tip configuration
Inventor: STEPHENS RANDY R
IPC: A61B17/34
Filed: 1996-10-11
Abstract: A safety-shielded trocar having an obturator with a linear cutting edge surface defining a base width substantially less than the diameter of the safety shield is disclosed. When the trocar is inserted through tissue, the tissue dilates from the width of the linear incision to accommodate the size of the safety shield of the trocar, thus making it possible to provide an access opening greater than the incisional width made by the linear cutting edge surface of the obturator. In a preferred embodiment, the safety shield has a shield tip region which is asymmetric to facilitate the dilation of the tissue as the trocar is inserted.
Patent CA-2188965-A1 (CA)
Title: Process for the preparation of polyol polymer dispersions
Inventor: SIMROTH DONALD W
IPC: B01J29/04
Filed: 1996-10-28
Abstract: Polymer polyols and polymer-modified polyols having substantially no transition metal content in the polyol continuous phase may be prepared from encapsulative double metal cyanide complex-catalyzed polyoxyalkylene polyether base polyols without substantial removal of double metal cyanide complex catalyst residues from the base polyol and subsequent in situ polymerization of one or more polymerizable monomers.
Patent CA-2188998-A1 (CA)
Inventor: BAMBER JEFFREY VINCENT
IPC: A63B53/02
Filed: 1994-08-02
Abstract: An improved aerodynamic golf club shaft is disclosed. The improved aerodynamic golf club shaft comprises a tube (42) that has an exterior with a non-circular cross section. The golf club shaft may have an elliptical exterior cross section in one preferred embodiment. The golf club shaft has a leading edge (34) that is on the half of the shaft aligned with the face (28) of the golf club and a trailing edge (36) on the half of the shaft aligned with the back (30) of the club. A portion of the leading edge of the shaft has a smaller radius of curvature than the leading edge of an equivalently sized shaft having a circular cross section.
Patent CA-2189973-A1 (CA)
Title: Sintered products having improved density
Inventor: ENGSTROEM ULF
IPC: B22F1/10
Filed: 1995-05-05
Abstract: The present invention concerns low alloy PM materials which after single pressing and sintering utilising traditional powder metallurgy processes and equipment combine high mechanical strength and high density with maintained precision of tolerance. As base material is used in iron powder having at least one alloying element diffusion-bonded to the outer surfaces of unalloyed iron particles.
Patent CA-2191207-A1 (CA)
Title: Improved chip feeding for a continuous digester
Inventor: PROUGH J ROBERT
IPC: D21C1/02
Filed: 1995-05-23
Abstract: A chip feeding system for a continuous digester provides for a greater rate of delivery of chip slurry to the digester, and is much less expensive than conventional chip feeding systems, typically being only 40-50 % of the height of the conventional system. An atmospheric vessel may be connected at the bottom thereof to a slurry pump which pumps the chip slurry to a conventional high pressure feeder. A recirculation loop for returning liquid from the feeder to the vessel may include an atmospheric level tank, and a liquid cooler. The vessel may have one dimensional convergence and side relief, and instead of a conventional cylindrical chip bin, the chip bin may have a hopper having two transitions with one dimensional convergence and side relief. The chip bin also may be at atmospheric pressure so that no low pressure feeder between the bin and vessel is necessary. Alternatively, the vessel may be pressurized while an atmospheric-pressure level tank is provided, the high pressure feeder being mounted directly at ground level.
Patent CA-2191369-A1 (CA)
Inventor: ROBB JOHN
IPC: C01G23/053
Filed: 1996-11-27
Abstract: A process for the preparation of rutile titanium dioxide comprises heating hydrous titanium oxide which readily converts to rutile titanium dioxide until at least 99.5 per cent by weight is in the rutile crystal form. The test for ready conversion to rutile consists of heating the hydrous titanium oxide to 950°C at a rate of 1°C per minute. Suitable material is thereby converted to at least 99.0 per cent rutile by weight. The product has a very narrow particle size and crystal size distribution and is an excellent pigment.
Patent CA-2192507-A1 (CA)
Title: Molten metal inclusion sensor probes
Inventor: GUTHRIE RODERICK I L
IPC: G01R1/067
Filed: 1996-12-10
Abstract: A molten metal inclusion sensor probe which is immersed in the molten metal and detects inclusions therein by the electric sensing zone method comprises inner and outer steel tubes disposed one within the other to form an annular gas containing space, the tubes being spaced apart from one another by electrically insulating spacing rings between the two tubes at or adjacent to the opposite ends thereof. The space is vented to the exterior of the outer tube, or in the case of a one-shot probe to the interior of the inner tube. A sensing zone member, which may also act to space the tube lower ends, is mounted by the tubes at their lower ends and provides the sensing zone orifice. In some embodiments the seals between the sensing zone member and the tube lower ends are maintained despite differences in expansion coefficients of the materials by tension or compression springs which press the tube ends against the member.
Patent CA-2194159-A1 (CA)
Title: System for human trajectory learning
Inventor: BIZZI EMILIO
IPC: A63B69/36
Filed: 1995-06-07
Abstract: In an apparatus and method for teaching motor skills to a human subject, learning by a student is based upon imitation of a teacher's motion. The teacher's motion is sensed by a motion sensing device, is digitized by a computer, and is then recorded in non-volatile computer memory. The computer generates an image sequence of the teacher on the computer display for the student to view and imitate. The same motion sensing device used to record the teacher's movement records the student's movement and the computer creates an image sequence on the display corresponding to the student's movement, simultaneously providing an image sequence of the teacher's movement. The training of the student is based upon displaying the pre-stored teacher's motion on the screen. The student's task is to imitate the teacher's movement.  This process is repeated until the teacher's and student's trajectories match well in space and time.
Patent CA-2195024-A1 (CA)
Title: Sectional book holder
Inventor: FISHER DAVID JOHN
IPC: A47B23/00
Filed: 1997-01-14
Abstract: In a device for holding books it is known to have a means to secure the book in place and to hold it open at a desired page. In this invention, features are added which allow the small portion of a book which is currently in use to be accessed and utilized conveniently in a way which is independent of the majority of the book which is held securely in a separate compartment.
Patent CA-2195690-A1 (CA)
Title: Method of making curved, shaped absorbent article
Inventor: HINES LETHA MARGIE
IPC: A61F13/15
Filed: 1992-07-23
Abstract: A method of making a curved absorbent article, such as a sanitary napkin, is provided.  The absorbent article includes a first component that is elastically extensible and which has a first portion and a second portion and also includes a second component.  Both of the components have a pair of opposed faces.  The first and second components are placed in facing relationship. The first component is stretched so that the first portion of the first component is stretched more than the second portion thereof.  A portion of the first component is secured to a portion of the second component to form a pre-formed absorbent article, and the first component is allowed to retract to form a curved absorbent article.
Patent CA-2198517-A1 (CA)
Inventor: IKEDA MASAHIKO
IPC: C07C401/00
Filed: 1997-02-26
Abstract: A crystalline (5Z,7E,23S)-26,26,26,27,27,27-hexafluoro-9,10-secocholesta-5,7,10(19)-trien-1.alpha.,3.beta.,23,25-tetraol monohydrate has an excellent preservation stability, and is therefore useful as a medicine for treating or preventing bone diseases, tumor or psoriasis.
Patent CA-2198641-A1 (CA)
Title: Thermal storage controller with auto-power setting
Inventor: LADHA NIZAR
IPC: H02J15/00
Filed: 1997-02-27
Abstract: In a method for controlling the power consumption of an electrical load a switching device for controlling the supply of power to the load is responsive to time left to charge the load and the current temperature of the load. In the preferred embodiment a power calculation is made using 'time left to charge the load' and 'current temperature of the load' as inputs to formula:     Auto Power setting = (Thermal energy required / Time to charge)*100 In this fashion, the power supplied to the load is the minimum power required to reach the required temperature within the given time period.
Patent CA-2200805-A1 (CA)
Title: Off-road towed recreational vehicle
Inventor: STANTON WILLIAM H
IPC: B62B13/06
Filed: 1997-03-24
Abstract: A towed vehicle is towed behind such recreational off-road vehicles as snowmobiles and all terrain vehicles (ATV's). The vehicle has a body that is rotationally molded of low density polyethylene. It has an outer shell mounted on a vehicle frame and an inner shell suspended on the inside of the outer shell. The outer shell peripheral wall is formed to provide some resiliency to cushion the inner shell. The suspension of the vehicle includes a trailing arm and a one-quarter elliptical spring biasing the trailing arm awayfrom the vehicle.
Patent CA-2203014-A1 (CA)
Title: Diagnostic preparation for detection of heliobacter pylori
Inventor: LUNDQVIST THOMAS
IPC: A61K51/12
Filed: 1995-10-17
Abstract: The present invention relates to a preparation for administering isotope-labelled urea together with acid in tablet form, in the form of a capsule preparation, or in some other solid form. The preparation dissolves very quickly in the stomach. The preparation is used to show increased urease activity in the stomach in association with an ongoing Helicobacter pylori infection.
Patent CA-2204645-A1 (CA)
Title: Novel oxyntomodulin
Inventor: YANO KEIICHI
IPC: A61K38/26
Filed: 1995-11-07
Abstract: A peptide represented by the following formula (I) or a pharmacologically acceptable salt thereof: H-His-Ser-Gln-Gly-Thr-Phe-Thr-Asn-Asp-Tyr-Ser-Lys-Tyr-Leu-Glu-Thr-Arg-Arg-Ala-Gln-Asp-Phe-Val-Gln-Trp-Leu-Met-Asn-Ser-Lys-Arg-Ser-Gly-Gly-Pro-Thr-OH. It has cardiotonic and insulin release accelerator effects and is useful for preventing or treating heart diseases or diabetes.
Patent CA-2204851-A1 (CA)
Title: Dispenser with flow control
Inventor: KAUFMAN JOHN G
IPC: A47K5/122
Filed: 1995-11-08
Abstract: Dispensers are provided of the type which include a flow path through which liquid must pass to leave the dispenser. After the dispenser (20) has been actuated to dispense, the flow path then receives reverse flow as the dispenser recovers ready for the next dispensing. This reverse flow limits the possibility of dripping from the dispensing outlet. A flow controller (30) in the flow path automatically adjusts to have little or no interference to the flow of liquid leaving the dispenser and then positions itself to slow down the rate of reverse flow into the dispenser. The dispenser is suitable for more viscous liquids.
Patent CA-2205036-A1 (CA)
Title: Diaper having a lotioned topsheet containing a polysiloxane emollient
Inventor: ROE DONALD CARROLL
IPC: A61L15/48
Filed: 1995-10-26
Abstract: A diaper containing a liquid pervious topsheet coated with a lotion composition is disclosed. The lotion composition reduces the adherence of BM to the skin of the wearer, thereby improving the ease of BM  cleanup. The lotion composition comprises a plastic or fluid polysiloxane emollient such as phenyl-functional polymethylsiloxanes, an immobilizing agent such as a fatty alcohol or paraffin wax to immobilize the emollient on the surface of the diaper topsheet, and optionally a hydrophilic surfactant to improve wettability of the coated topsheet. Because the polysiloxane emollient is substantially immobilized on the surface of the topsheet, less lotion is required to impart the desired therapeutic or protective lotion coating benefits.
Patent CA-2205605-A1 (CA)
Title: Lightweight solid-core video cassette cartridge
Inventor: JONES CHARLES R JR
IPC: G11B23/087
Filed: 1995-11-15
Abstract: A lightweight solid-core video cassette cartridge (10) includes a cartridge shell and a solid core structural member (16). The cartridge shell includes spaced apart top and bottom panels (12, 14) which define an interior hollow chamber therebetween. A pair of video tape reels (18, 20) are positioned within the hollow chamber for winding video tape. The solid core structural member (16) is provided for maintaining the spaced relationship of the top and bottom panels (12, 14). The solid core structural member is formed of styrofoam, cardboard or synthetic resin. The solid core structural member (16) and the video tape reels (18, 20) fill substantially the entire volume of the cartridge shell hollow chamber.