baber/WOPTO huggingface dataset:
Patent CA-2210438-A1 (CA)
Inventor: CESARONI ANTHONY JOSEPH
IPC: C06B45/10
Filed: 1997-07-15
Abstract: A propellant is disclosed, comprising, as binder, a moisture curable ethylene copolymer especially a silane-grafted ethylene/vinyl acetate copolymer.  The propellant is particularly useful as a rocket propellant. A rocket structure is disclosed for use under high temperature stress.  The structure comprises thermoplastic polymer in a matrix of fibre having high temperature resistance, the thermoplastic polymer being selected from high temperature-resistant engineering thermoplastic polymers and moisture-curable thermoplastic polymers.  The thermoplastic polymer ablates during said high temperature stress to provide a matrix of said fibre having structural integrity.  A method of manufacture, especially compression moulding, is disclosed.
Patent CA-2215639-A1 (CA)
Title: Optical cable for data transmission on local area networks
Inventor: BRANDI GIOVANNI
IPC: G02B6/44
Filed: 1997-09-15
Abstract: Optical fiber cable for telecommunication, particularly for local area networks in offices, civil buildings and similar, comprising an optical core formed of at least one optical fiber module with at least two optical fibers enveloped by a plastic covering and a plastic sheath around the modules. The cable comprises a plurality of tensile-resistant fibrous yarns arranged between the modules and the plastic sheath; the strands are arranged adhering uniformly to the sheath, in such a way that the stress to which the sheath is subject in service are distributed uniformly within the core, and form means of decoupling between sheath and modules. Adherence is preferably obtained by means of one or more flexing actions executed during cable construction.
Patent CA-2216746-A1 (CA)
Inventor: VASUDEVA KAILASH C
IPC: B25C9/00
Filed: 1997-09-29
Abstract: A nail set comprises a core having a proximal impact end end, a distal end, and a handle molded around the core.  Replaceable tips are each separately and independently securable to the distal end of the core via an axial shaft extending outwardly from the tip, which axial shaft fits into a co-operating axial opening in the distal end of the core.  Each of the tips is secured within the opening in the core by means of a ball-spring arrangement.  An enlarged protective portion, preferably comprising a pair of opposed wing portions, extends laterally outwardly from an upper portion of the core.  The enlarged protective portion includes a plurality of storage recesses for storing the tips.
Patent CA-2217934-A1 (CA)
Inventor: LODHOLZ JOHN C
IPC: B01D21/04
Filed: 1997-10-10
Abstract: There is provided a wastewater treatment system comprising a rectangular collector, a drive for driving chains for moving at least one flightwithin the rectangular collector, the flight comprising a squeegee, a track system for carrying the flight along a surface of wastewater disposed in the collector, scum disposal means, and a skimming mechanism disposed between the track system and the scum disposal means, the skimming mechanism comprising a beaching plate for carrying the flight toward the scum disposal means wherein said drive chains moves the flight for performing both skimming and scraping operations.
Patent CA-2218728-A1 (CA)
Title: Compositions and methods for the rapid analysis of reticulocytes
Inventor: KIM YOUNG RAN
IPC: G01N33/49
Filed: 1996-04-19
Abstract: A method and reagent for the simultaneous or independent enumeration of reticulocytes in a whole blood sample, without the need to separately incubate the sample and reagent. The reagent contains a reticulocyte staining amount of an unsymmetrical cyanine dye, from about 40 mM to about 60 mM of a buffer selected from the group consisting of imidazole, Tris and Bis-Tris and a dye stabilizing amount of a non-ionic surfactant selected from the group consisting of N, N-bis[3-D-Glucon-amidopropyl] cholamide and a polyoxypropylene--polyoxyethylene block copolymer. The reagent has a pH from about 6.8 to about 7.2 and an osmolarity adjusted to about 280 to about 310 mOsm/l with a mono- or divalent alkali salt selected from the group consisting of NaCl, KCl, LiCl, CaCl2, MgCl2 and ZnCl2. The method utilizes the reagent in a no incubation process that also allows for the simultaneous determination of CBC as well as reticulocyte counts and maturity indices.
Patent CA-2219217-A1 (CA)
Title: Methods for removing contaminants from polymers
Inventor: DUFRESNE LOUISE ANNES
IPC: B29C48/76
Filed: 1997-10-23
Abstract: METHODS FOR REMOVING CONTAMINANTS FROM POLYMERS                  The present invention relates to a method for treating plastic polymers to reduce or remove  organic contaminants.  More particularly, the present invention relates to  a method of treating , by continuous means, a flowable polymer mass with a solvating fluid in an environment at which the solvating fluid is in a supercritical state and is subject to conditions sufficient to preferentially solvate and extract organic, and especially non-volatile,  contaminants from the polymer mass.
Patent CA-2221187-A1 (CA)
IPC: A61B19/02
Filed: 1997-11-14
Abstract: A medical waste disposal system for contaminated products to be disposed having a hollow, disposal container and a housing enclosure which is engageable with and covers the container. The housing enclosure has an opening a nd a tumbler which is pivotally mounted to prevent access to the interior of the ho using enclosure when a contaminated product is being deposited into the interior of th e disposal container. In one embodiment, upon dropping waste into the opening of t he housing enclosure, the tumbler rotates to simultaneously close the upper opening in the housing enclosure and open a lower opening which allows the waste to drop in to the disposal container. After the waste has dropped, the tumbler, which is weigh ted, returns to its original position. When the disposal container reaches full capac ity, the tumbler is blocked by the medical waste in the disposal container thereby preven ting rotation to the open position. In an additional embodiment, a tumbler having an angled tip portion is provided which forms a lower passage to permit passage of waste while simultaneously blocking the accessibility beyond the interior of the housi ng enclosure without the need to fully rotate the tumbler to a closed position. The housing enclosure is also provided with a portion having a squared or sloping co ntour to prevent sharps from passing or being ejected back through the opening of the container. The housing enclosure also includes a lid having a lock securely clos ing the medical waste disposal system for final disposal.
Patent CA-2225441-A1 (CA)
Title: Detecteur de debit de lait portatif
Inventor: BEAULIEU FRANCIS
IPC: G01F1/00
Filed: 1998-02-19
Abstract: L'invention présentée ici rend possible la mise au point d'un système capable de mesurer la production laitière d'une vache. Il s'agit en fait d'un détecteur portatif de débit de lait électronique devant être considéré comme un nouvel élément périphérique d'un système informatique. Sa fonction est de signaler à un ordinateur la présence du liquide à mesurer par l'émission de deux (2) signaux électriques.
Patent CA-2227855-A1 (CA)
Inventor: MATT HANS JUERGEN
IPC: H04M11/00
Filed: 1998-02-20
Abstract: Network adapter (1) for connecting an in-house network (2) to subscriber-line networks (3) of service providers, comprising a first external interface (4) for receiving information signals via coaxial cables from subscriber-line networks and at least one internal interface (5) for transmitting the information signals to terminals of an in-house network (2; 22) via coaxial cables (6), characterized in that there are provided additional external interfaces (4', 4", 4''', ...) for interactively exchanging information signals with additional subscriber-line networks, wherein at least one external interface (4') establishes a connection to a subscriber-line network using bell wire, and that there is provided a combined exchange and control unit (8), preferably with a microprocessor (9; 29), which transmits the respective information signals of a predetermined service provider from the respective external interface (4, 4', 4", 4''', ...) of the subscriber-line network to one or more internal interfaces (5, 5', 5") of the in-house network (2; 22) or vice versa. Information signals can thus be distributed to terminals in an in-house network as well as in the reverse direction, even with a large number of potentially rather diverse service providers. Most of the already existing network hardware can be utilized without the need for extensive changes and additions.
Patent CA-2228365-A1 (CA)
Inventor: SWEMMER THEODORE DANIEL
IPC: E21D20/00
Filed: 1998-01-29
Abstract: This invention relates to a friction rock stabilizer which comprises an elongated tendon tube which is reduced in cross-sectional dimension over a portion of its length towards one end of the tube, a slot which extends over at least the unreduced length of the tube and a radially extending stop which is located on the reduced dimension portion of the tube for supporting a face washer on the stabilizer. Preferably, the reduced cross-sectional length of the tube is parallel sided and is conveniently circular in cross-section.
Patent CA-2232016-A1 (CA)
Inventor: OLOFSSON PER
IPC: H04B17/00
Filed: 1998-03-13
Abstract: In a method and a device for generation of path profiles for use in radio wave propagation planning, several path profiles, adjacent to a generated first, primary path (501 ) are generated (503).Obstacles detected in the adjacent path profiles are then transformed and translated (505) onto the primary path profile, whereby a resulting path profile taking into account both obstacles present in the primary path profile and obstacles close to it. The method and the device are particularly useful in urban and suburban areas where obstacles tend to be of a discrete nature, and can be used for many types of applications such as point-to-point, point-to-multipoint and area coverage applications.
Patent CA-2233374-A1 (CA)
Title: Monolithic accelerometric transducer
Inventor: LE TRAON OLIVIER
IPC: H01L29/84
Filed: 1996-09-23
Abstract: A monolithic transducer including a fixed portion (1e1), two movable massive portions (2e1, 4e1) and a resonator (3e1) having ends secured to the movable portions, a flexible frame (5e1) surrounding the two movable portions, and two linking members (6e1, 7e1) connecting the frame (5e1) to the second movable portion (4e1) and the fixed portion (1e1). The frame forms a mechanical filter between the resonator and the fixed portion that is not exposed to resonator vibration. The overvoltage ratio of the resonator is not affected and the accuracy of the measurement provided by the transducer is increased. In a differential-output accelerometer, the position of the transducer (TAe1) is deduced from that of another identical transducer (TAe2) by 180~ rotation about an axis parallel to the resonator (3e2), with the fixed portions (1e1, 1e2) being rigidly interconnected.
Patent CA-2235134-A1 (CA)
Title: Closed loop drilling system
Inventor: DUBINSKY VLADIMIR
IPC: E21B47/00
Filed: 1996-10-23
Abstract: The present invention provides a closed-loop drilling system for drilling oilfield boreholes. The system includes a drilling assembly with a drill bit, a plurality of sensors for providing signals relating to parameters relating to the driling assembly, borehole, and formations around the drilling assembly. Processors in the drilling system process sensors signal and compute drilling parameters based on models and programmed instructions provided to the drilling system that will yield further drilling at enhanced drilling rates and with extended drilling assembly life. The drilling system then automatically adjusts the drilling parameters for continued drilling. The system continually or periodically repeats this process during the drilling operations. The drilling system also provides severity of certain dysfunctions to the operator and a means for simulating the drilling assembly behavior prior to effecting changes in the drilling parameters.
Patent CA-2236003-A1 (CA)
Title: Process for making crystalline iron dextran
Inventor: MONTE WILLIAM T
IPC: C08B37/02
Filed: 1996-11-08
Abstract: A process for the crystallization of an iron-dextran complex in readily-filterable form comprising adding slowly, with stirring, an acidified aqueous iron-dextran solution to a vessel containing a water miscible organic solvent such as methanol, as well as crystalline iron-dextran complexes so prepared.
Patent CA-2238658-A1 (CA)
Title: Novel grea
Inventor: GREENWOOD REBECCA CLAIRE
IPC: A61P31/04
Filed: 1998-07-23
Abstract: The invention provides greA polypeptides and DNA (RNA) encoding greA polypeptides and methods for producing such polypeptides by recombinant techniques. Also provided are methods for utilizing greA polypeptides to screen for antibacterial compounds.
Patent CA-2243215-A1 (CA)
Inventor: KNOX BRYAN
IPC: H01B11/20
Filed: 1997-01-31
Abstract: Capacitance transducer apparatus, for example for measuring blade tip clearance in a jet engine of gas turbine, comprises an oscillator (14) connected by a cable (6) to a capacitance means such as a probe (4). The cable is tri-axial comprising an inner conductor (22), an outer protective layer (24) and an intermediate layer (26) between the outer layer and inner conductor, the inner conductor, intermediate layer and outer layer all being electrical conductors. The intermediate layer (26) consists of a material that is different to that forming the outer layer and is of relatively high electrical conductivity. The resistance of the intermediate layer is preferably less than 1 Ohm metre-1, and especially les than 0.1 Ohm metre-1, which may be achieved by forming the intermediate layer from a nickel based material, and especially from pure nickel. The reduction in the intermediate layer resistance can lead to higher sensivity of the apparatus by enabling any guard driver amplifier (165) in the apparatus to drive the capacitance over the full length of the cable.
Patent CA-2243280-A1 (CA)
Title: Method and apparatus for improving the effects of color burst modifications to a video signal
Inventor: QUAN RONALD
IPC: H04N9/79
Filed: 1996-11-05
Abstract: In the known color stripe process for preventing recording of video signals, the color burst present on each line of active video is modified so that any subsequent video tape recording of the video signal shows variations in the color fidelity that appear as undesirable bands or stripes of color error.  This color stripe process is improved by a combination of modifying the phase of the color burst on only part of the color burst. Additional improvements were obtained by incorporating techniques of widening the normal color burst envelope towards the trailing edge of horizontal sync and towards the beginning of active video. These techniques are useful in improving the performance of the color stripe process in both the NTSC and PAL color systems. However, additional improvements are described in the PAL system whereby the phase modifications are controlled so as to avoid disturbing the so-called PAL ID pulse. Such avoidance of the PAL ID pulse improves the playability of the color stripe signal in the PAL format.
Patent CA-2246155-A1 (CA)
Title: Metathesis polymerized olefin articles containing flame-retarding agents
Inventor: GIARDELLO MICHAEL A
IPC: B29C41/04
Filed: 1998-08-31
Abstract: A metathesis polymerized polyolefin article is provided which includes a flame-retarding agent.  The method of making the article includes polymerizing an olefin monomer via a metathesis polymerization reaction in the presence of a one-part metathesis polymerization catalyst and a compatible flame-retarding agent.
Patent CA-2247214-A1 (CA)
Title: Single screw bridgeplate
Inventor: GOLEMIS FOTIOS
IPC: B61D23/02
Filed: 1998-09-10
Abstract: The present invention is a cartridge bridge plate assembly for mounting under a floor structure of a transit vehicle adjacent a door opening. It has a frame assembly and means for attaching the frame assembly underneath the floor structure of the vehicle. It has a bridge plate for covering a gap between the floor of the vehicle and an adjacent surface to facilitate passenger ingress and egress when the vehicle is stopped. It has a bridge plate positioning means for positioning the bridge plate and accommodating motion of the bridge plate from a stowed position within the frame assembly to an extended position for covering the gap. A motor is connected to the bridge plate positioning means for moving the bridge plate from the stowed position to the extended position and from the extended position to the stowed position. The system includes a power connection to the motor, and a drive screw connected to and rotated by the motor. It has a drive nut engaging the drive screw to be translated thereby, the drive nut having mechanical connection to the bridge plate positioning means to move the bridge plate from the stowed position to the extended position and from the extended position to the stowed position. The system also has an elevating means connected to the bridge plate positioning means for elevating an inner edge of the bridge plate to match an elevation of the floor surface of the transit vehicle.
Patent CA-2248616-A1 (CA)
Title: Visible light polymerizable composition
Inventor: OSTLIE BRIAN W
IPC: C08G75/04
Filed: 1997-03-31
Abstract: Visible light cured polymerizable compositions comprising at least one monomer or oligomer having a plurality of free-radically polymerizable ethylenically unsaturated groups, at least one compound having a plurality of thiol groups, at least one acyl phosphine oxide photoinitiator and optional adjuvants, such as stabilizers, pigments, fillers, and polymerization inhibitors are disclosed. The polymerized compositions are useful, as protective coatings, or anti-chip coatings or as repair putties on exterior coated substrates such as plastics, wood and metal, especially for the automotive and marine industries.
Patent CA-2253405-A1 (CA)
Title: Anti-viral compounds
Inventor: MUNROE JOHN EDWIN
IPC: A61P31/12
Filed: 1997-05-02
Abstract: The present invention provides compounds which inhibit an envelope virus by inhibiting the fusion of the virus with the host cell. The virus may be inhibited in an infected cell, a cell susceptible of infection or a mammal in need thereof.
Patent CA-2253486-A1 (CA)
Inventor: CIUCANI MARIO
IPC: C14C1/00
Filed: 1997-04-23
Abstract: According to the process of treating leather and the like, spread pieces of leather to be treated (1) are put on respective open supports (2). These supports (2), with spread pieces of leather carried thereon, are introduced into at least one container (4), kept in depression and sealed for the introduction therein of suitable treating liquid solutions so that at least soaking, liming, pickling, tanning and re-tanning steps can be performed on the leather pieces. Each liquid solution (5) is swirled during the corresponding leather (1) treatment step.
Patent CA-2253559-A1 (CA)
Title: An animal training assist apparatus
Inventor: IRBINSKAS HEATHER
IPC: A01K27/00
Filed: 1997-05-22
Abstract: This invention is a dog or animal training apparatus (13) which assists in absorbing and transferring the animal's energy so that the full impact is not felt by the trainer/handler (10). The apparatus provides an elastic member (22A) which is connected between the leash/lead (20) and the animal's collar (23A). If the animal leans into the leash (12), the elastic member (22A) pulls back on the collar (23A) to bring the animal back into line. Should the animal bolt or jump, the elastic member (22A) elongates to keep the immediacy of the impact from being transferred to the trainer/handler (10), and to redirect some of the impact back to the animal to pull the animal into proper position.
Patent CA-2255795-A1 (CA)
Inventor: LUZ YUDA YEHUDA
IPC: H03F3/68
Filed: 1997-03-24
Abstract: An input signal (102) and a dithering signal (106) are coupled to an input of an n by m transform matrix (98). The input signal (102) and the dithering signal (106) are transformed to produce m transformed signals, which are then amplified using a plurality of amplifiers (64). The amplified signals are then input into an m by n inverse transform matrix (100) that performs an inverse transform to produce a low noise output signal. The low noise output signal may be passed through a band pass filter (74) to remove out-of-band noise derived from the dithering signal and provide a filtered output signal (110).  The transform matrix (98) and inverse transform matrix (100) may be implemented with Fourier transform matrices or a Butler transform matrices.
Patent CA-2256345-A1 (CA)
Title: Method and apparatus for three-dimensional photography
Inventor: NEMIROVSKIY YEVGENIY
IPC: H04N13/349
Filed: 1996-06-03
Abstract: An improved method and apparatus for the production of three-dimensional images utilizing a multi-lens camera and a multi-lens enlarger configured according to a standard of arrangements. The number of lenses used in the camera and printer is selected to be greater than the resolution capabilities of the human eye and the lenticular print system. The width of a zone of the lineiform image is determined by the distance between two adjacent images on the focal plane of the lenticular screen (10) of a point projected from a distance at or beyond the distance limit through adjacent projecting apertures of the enlarger. The projecting (182, 186, 188) apertures of the enlarger are linearly arrayed and equally spaced within the unique accepting angle corresponding to the distance limit to construct a lineiform image without gaps between zones and without gaps between lines. Accordingly, a three-dimensional image having orthoscopic effect, and without stroboscopic effect, is produced in a one-step imaging and one-step composing process.
Patent CA-2258055-A1 (CA)
Title: Tools for data manipulation and visualization
Inventor: SOMOZA VINCENT
IPC: G06F17/30
Filed: 1998-12-30
Abstract: Data manipulation and visualization tools for organizing, managing and navigating through complex data. The tools retrieve and manipulate this data through graphical user interface software executed by a computing device. Using the graphical user interface, a user may browse through multiple simulated layers of complex data, display a plurality of complex data in one or more simulated layers on a single screen, or view historical traffic performance information for a predefined time period.
Patent CA-2258425-A1 (CA)
Inventor: ALI CHRIS
IPC: B24D15/04
Filed: 1999-01-12
Abstract: A sanding block has a first member having an intermediate portion and a pair of relatively flexible ends wherein a top surface of the first member is configured to be hand held and a bottom surface of each of the ends has at least one retention open surface therein, a second member having an intermediate portion connected to the intermediate portion of the first member and a pair of ends wherein a top surface of each end of the second member has extending therefrom at least one complimentary retention protrusion which respectively seat in one of the retention open surfaces, wherein the sanding block includes at least one hollow surface formed therein, and having a relatively lightweight support member disposed within the hollow surface.