baber/WOPTO huggingface dataset:
Patent CA-2182654-A1 (CA)
Inventor: BISKUP KLAUS
IPC: C07C265/12
Filed: 1996-08-02
Abstract: Toluylene diisocyanate is produced by nitration of toluene toy yield dinitrotoluene, hydrogenation of the dinitrotoluene, optionally in the presence of a solvent or diluent, to yield a crude solution of toluylene diamine and reaction water, processing the crude solution of toluylene diamine and water to yield an intermediate mixture of toluylene diamine and water wherein the processing is interrupted to result in a water consent of about 1-40% by weight, preferably about 2-10% by weight of the intermediate mixture, transporting this intermediate mixture from a first production facility to a second production facility, whereat the intermediate mixture of TDA and water is completed to yield dry toluylene diamine of commercial quality, and followed by phosgenation of the toluylene diamine to give toluylene diisocyanate. It is optional to additionally process the dry toluylene diamine prior to phosgenation. The invention also relates to intermediate mixtures of toluylene diamine and water which have a solidification point of at most 95°C, and the use of these intermediate mixtures for producing toluylene diisocyanate. It is preferable that the use of these intermediate mixtures to produce toluylene diisocyanate is performed at a site (or location) which is different from the site of production of the intermediate mixtures of toluylene diamine and water.
Patent CA-2183311-A1 (CA)
Title: Improvements in multiple light systems
Inventor: BYERS THOMAS L
IPC: F21Y101/00
Filed: 1996-08-14
Abstract: Improvements  in components  for decorative light strings that include a plurality of track channels for holding successive segments of a light string, such track channel sections being supportable by snap attachment to pre-positioned snap-fasteners or the like.
Patent CA-2187377-A1 (CA)
Title: Tubular core assemblies for rolls of paper or other sheet material
Inventor: KEWIN DANIEL D
IPC: B65H75/30
Filed: 1996-10-08
Abstract: A tubular core assembly for a roll of paper or other sheet material has a hollow cylindrical core member formed of paperboard material, and an annular end member of metal or plastic material within each opposite end portion of the core member. Each end member has an outer annular surface secured to the inner annular surface of the core member and an inner annular surface shaped to receive a roll supporting chuck. Each end member also has a pair of radially-projecting lugs at diametrically opposite positions at the respective end of thetubular core assembly, the core member has a pair of lug-receiving notches at diametrically opposite positions at each end receiving the lugs of the respective end member to facilitate transmission of torque and axial chuck pressure from the end member to the core member. Each end member further has a pair of notches at diametrically opposite positions extending inwardly from the respective end of the tubular core assembly for receiving a projection of a rollsupporting chuck, each projection-receiving notch being located circumferentially mid-way between the pair of lugs.
Patent CA-2188009-A1 (CA)
Title: Fastening Device
Inventor: ANDERSON GLENN E
IPC: E05C19/14
Filed: 1996-10-16
Abstract: The present invention provides a fastener adapted to be secured to a first member for fastening a keeper secured to a second member. The fastener comprises a basemember. a sleeve member connected to the base member. and a slide member received within the sleeve member to be extended or withdrawn. The sleeve member is included with an opening into which a cam mechanism is received for rotatable movement. A cam member is also provided extending from the cam mechanism and into a cam opening provided in the slide member. The fastener also includes a turning member which is adapted to rotate the cam mechanism so as to move the cam member within the cam opening in order to extend or withdrawal the slide member. The fastener may alsoinclude a biasing member confined within the base member in order to bias the sleeve member relative to the base member as the slide member is fastened with the keeper. In addition, the fastener may be adapted for increasing the amount of extension or withdrawal of the slide member. Further, the fastener may be adapted for retaining the cam mechanism within the opening provided in the sleeve member. The fastener mayalso include a cam mechanism of increased strength.     The present invention provides a fastener adapted to be secured to a first member for fastening a keeper secured to a second member. The fastener comprises a basemember. a sleeve member connected to the base member. and a slide member received within the sleeve member to be extended or withdrawn. The sleeve member is included with an opening into which a cam mechanism is received for rotatable movement. A cam member is also provided extending from the cam mechanism and into a cam opening provided in the slide member. The fastener also includes a turning member which is adapted to rotate the cam mechanism so as to move the cam member within the cam opening in order to extend or withdrawal the slide member. The fastener may alsoinclude a biasing member confined within the base member in order to bias the sleeve member relative to the base member as the slide member is fastened with the keeper. In addition, the fastener may be adapted for increasing the amount of extension or withdrawal of the slide member. Further, the fastener may be adapted for retaining the cam mechanism within the opening provided in the sleeve member. The fastener mayalso include a cam mechanism of increased strength.
Patent CA-2188275-A1 (CA)
Title: Emergency brake device for trucks and the like
Inventor: PERCY GEORGE A JR
IPC: B60T1/04
Filed: 1994-04-19
Abstract: An emergency brake device (R) for stopping the rear wheels of a vehicle comprises a wedge assembly (2) including a frame (34) and a resilient wedge (26) carried by the frame secured to the underside of the vehicle. The wedge assembly is movable from a stored position to an operative position wherein the wedge is between the wheel and ground to stop the vehicle. The wedge is substantially triangular formed by an inclined arcuate surface (72), for engaging against the wheel, a horizontal (77), and a vertical (79) planar surface. The arcuate and vertical surfaces terminate into a longitudinal projection (74) that engages the wheel when the wage is in the operative position, The wedge assembly has a flap (60) that is disposed under the wheel to pull the wedge horizontally, and its leading edge portion is secured to the vertical surface to pull the wedge downwardly.
Patent CA-2189335-A1 (CA)
Title: A biomaterial and bone implant for bone repair and replacement
Inventor: RIPAMONTI UGO
IPC: A61L27/00
Filed: 1995-05-24
Abstract: This invention relates to a biomaterial useful in bone repair and replacement, and to implants for cranofacial, orthopaedic, and especially dental applications. The implants have a unique geometric configuration, their surfaces defining concavities having a shape and dimensions which induce or enhance the rate and/or amount of bone growth at the implant site. The biomaterial preferably has a specific porous configuration and the implant may be at least coated with such a biomaterial of hydroxyapatite, for example.
Patent CA-2193078-A1 (CA)
Title: Integrated end stops for zipper slider
Inventor: MORGAN KEVIN P
IPC: G01D5/16
Filed: 1995-05-04
Abstract: A leakproof plastic zipper with integrated end stops for a zipper slider particularly suited for thermoplastic bags. An increased flange height above the interlocking elements of the zipper and an increased plow depth on the separator of the slider extending down between the flanges provide a means of stopping the travel of the slider past the ends of the zipper.  The separator structure depending from the slider has a configuration in vertical cross-section corresponding to an inverted T, the horizontal portion of the T having the ends thereof adapted to be received in window structure in the flanges above the interlocking elements and adjacent one of the integrated end stops.
Patent CA-2193319-A1 (CA)
Title: Supported catalyst system, a process for its preparation and its use for the polymerization of olefins
Inventor: FRAAIJE VOLKER
IPC: C08F4/642
Filed: 1996-12-18
Abstract: Supported catalyst system, a process for its preparation and its use for the polymerization of olefins The present invention relates to a supported catalyst system having a high activity, which is obtained by a)   bringing at least one metallocene component in at least one solvent into contact with at least one cocatalyst component, b)   adding the soluble product to the support material and c)   removing the solvent.  A preferred embodiment is a supported catalyst system where d)   the supported catalyst system is isolated and e) prepolymerized with at least one olefinic monomer.   The present invention also relates to a process for preparing the supported catalyst systems.  Finally, the present invention relates to a process for preparing a polyolefin by polymerization of one or more olefins in the presence of at least one catalyst system.  In this process at least one olefin having the formula Rm-CH=CH-Rn is polymerized where Rm and Rn are identical or different and are each a hydrogen atom or a carbon-containing radical having from 1 to 20 carbon atoms and Rm and Rn together with the atoms connecting them can form one or more rings.
Patent CA-2193568-A1 (CA)
Inventor: HAUERS MANFRED
IPC: B65B9/20
Filed: 1996-12-20
Abstract: A vertical bag forming, filling and sealing machine having a feed system for a wrapping material forming the flexible tube bags, a filling tube, a longitudinal seam welding device and a cross seam welding device is described. The cross seam welding device comprises a unit forming the lower cross weld seam and a unit forming the upper cross weld seam of a flexible tube bag. The unit for generating the upper cross weld seam or a folding device and a lifting device for the filled flexible tube bag are movable up and down and are lifted for the generation of the upper cross weld seam or for the folding of the flexible tube bag in order to relax the wrapping material. By this the air space over the surface of the filling material is kept as small as possible.
Patent CA-2193790-A1 (CA)
Title: Projecting images
Inventor: KNOX RICHARD M
IPC: G03B21/60
Filed: 1996-12-23
Abstract: An "extra-folded" projection display system includes a selectively reflective material (e.g., a linear reflecting polarizer) placed immediately behind the system's imaging screen.  The display system includes an image projector that projects an image beam containing light of a predetermined linear polarization toward the imaging screen.  The linear reflecting polarizer reflects the light in the image beam away from the screen.  The reflected image beam then encounters a 1/4-wavelength achromatic retarder which converts the linear polarization to circular polarization.  The image beam next hits a mirror that reflects the light back through the 1/4-wavelength achromatic retarder, which converts the circular polarization back to linear polarization, with the polarization director rotated 90° from the original polarization director.  The linear reflecting polarizer then allows the light to pass through to the image screen.
Patent CA-2198665-A1 (CA)
Title: Flat trapezoidal container of brightly printed thermally sealable film
Inventor: GILBERT SCOTT ROBERT
IPC: B65D65/38
Filed: 1997-02-27
Abstract: A flat trapezoidal container provides a generally frustoconical single cavity for snugly sheathing a flower pot. The container is specifically dimensioned sheath a flower pot so as either (a) to leave therebeneath, a surplus of film in an transition zone which is concealable under the flower pot,or (b) form a hexagonal gusset in the bottom. The container is made from two flat panels of heat-sealable film, each shaped in the general form of a trapezium; or from a single web folded double. The lower portion of the container is ornamentally imprinted along a border extending beneath a generally lateral line above the longitudinal axis of the web; and, with a marker in the upper portion, identifies the contents, or provides instructions for their use or care. When the cavity is distended by being partially filled, the entire container, except for a transition zone, presents a smoothly arcuate surface of the frustum of a cone. The lower exterior portion is continuously printed with ornamental design elements without an interruption in the printing, such as is present as an elongated blank rectangle in prior art bags. The transparent upperportion is free from an elongated portion of the printed image near the edges, as in prior art containers. A method is disclosed for forming the printed container which method requires discarding the material for more than one-half of one container for each container made by thermally sealing the equally, but oppositely angulated sides of the trapeziums, and the shorter of the remaining parallel sides.
Patent CA-2199247-A1 (CA)
Title: System Incorporating Two Different Sphero-Non-Spherical Contact Lenses for Correcting Presbyopia
Inventor: MERCURE ROBERT
IPC: G02C7/04
Filed: 1996-01-10
Abstract: The first contact lens (1) is placed on the dominating eye and includes a central spherical area (5) for distance vision, which is surrounded by an annular non-spherical area (7) having a diopter in the form of progessive addition which varies from zero addition at the inner periphery to a maximum addition at the outer periphery, and which enables vision, at all distances including reading. The second contact lens (3) is placed on the dominated eye. The central area (13) is spherical and adjusted for reading. The non-spherical annular area (15) has a progressive reduction from maximum addition to zero addition, which enables vision from reading to intermediate and distance vision. This system provides in most cases 95-100 % vision at all distances.
Patent CA-2204842-A1 (CA)
Title: Method for producing high grade reduced silver
Inventor: NARITA KATUTOSHI
IPC: C22B11/00
Filed: 1997-05-08
Abstract: The known method comprises the following steps. (1) the de-copperized anode slime is chlorination-leached with HCl and H2O2. (2) Na2CO3 is added to the chlorination-leach residue of (1). (3) NH3 is added to the residue of (2). (4) Distillation of NH3 to remove NH3 contained in the ammonia leach solution of (3). (5) Distillation residue is washed with water to yield refined AgCl. (6) Conversion of AgCl to Ag2O. (7) Reduction of Ag2O to Ag. In order to enhance the purity of the reduced silver, the present invention provides the following improvements (a) to (d). (a) Dechlorination (2) with the use of Na2CO3 is carried out at ambient temperature. (b) After dechlorination, the residue is washed with hot water. (c) Sulfuric acid is added instead of carrying out distillation (4). (d) Prior to conversion (6), the chlorination is again carried out.
Patent CA-2205119-A1 (CA)
Inventor: DEBE A JOSEPH
IPC: G06F19/00
Filed: 1994-12-01
Abstract: Système permettant de voter des options qui représentent chacune un intérêt dans une action de valeur boursière d'une société, ce système comprenant un dispositif informatique d'entrée et de mémoire attribuant à un compte client des options telles que: (a) un intérêt composé indiquant le droit de recevoir une part partielle d'action égale en valeur à un prix établi ou une part entière d'action de la société à une date future prédéterminée, quelle que soit la valeur la plus faible; (b) un intérêt composé indiquant le droit de recevoir une part partielle d'action égale en valeur à l'appréciation, si elle existe, de la part d'action située au-dessus du prix établi à la date prédéterminée; et (c) un intérêt composé indiquant le droit de recevoir de vrais dividendes ou des paiements de substitution dont le montant est égal aux dividendes déclarés à des dates données qui sont antérieures à la date future prédéterminée et qui tombe à une valeur nulle à la date future prédéterminée. Ce système comprend également un processeur de données informatiques qui réagit à l'entrée et à la mémoire informatiques servant à attribuer le droit de voter des options parmi les trois intérêts composés. Dans une forme de réalisation le système emploie des ordinateurs (0201, 0401) de courtiers en bourse, des fichiers (0202) de transaction de courtiers en bourse, un ordinateur (0301) relié aux établissements de négociation boursière (clearing), un ordinateur (0600) d'échanges enregistrés, un fichier (0302) de création d'éléments et des fichiers (0601) de transactions d'échanges.
Patent CA-2206220-A1 (CA)
Inventor: SCHOLTENS MICHAEL
IPC: A01G13/02
Filed: 1997-05-27
Abstract: A mulching cover for a nursery pot includes an apron for shielding the mouth of the pot and a flange for connecting the apron to the rim of the pot, the apron and the flange being cleaved by a radial breach for receiving a plant stem. An perforated annular trough circumscribes the perimeter of the apron where it meets the flange, the trough serving to retain and dispense any water and fertilizer intercepted by the apron. The flange includes a series of ribs, preferably annular, for engaging the mouth of the pot, particularly where the mouth includes annular troughs as is common. The apron, the trough, and the flange are resilient and together form a spring biased to open the breach and urge the cover against the mouth of the pot to hold the cover in place.
Patent CA-2207511-A1 (CA)
Title: Rock and material loading apparatus
Inventor: OMANN LAWRENCE F
IPC: A01B43/00
Filed: 1997-06-11
Abstract: A rock picker and material loader attachment is pivotally mounted to a loader scoop or bucket and extends longitudinally forward therefrom. A plurality of teeth form the leading surface of the attachment during digging and loading operations. Also adjacent the bucket and support bar is a laterally extending debris catcher. During picking and scraping operations, the debris catcher is perpendicular to the bottom of the bucket, extending up from the bottom and thereby acting as a block or retaining plate which assists in retaining debris in the bucket. Two longitudinal knees form a quarter-circle arc at or near the longitudinal position of the mounting between the attachment and the bucket. During loading from the inventive attachment to the bucket, the knees are used to pivot the attachment and allow material or debris to roll into the bucket. While the attachment is pivoting, the debris catcher assists by moving any debris near the edge of the bucket back and away therefrom. The attachment is useful for rocks, manure, trash, bales and other material.  A variety of alternative component designs are disclosed, including a different tooth configuration more suitable for loading pallets, logs and the like and different styles of bucket to fit the type of material. Hydraulics are also disclosed to actuate the attachment as an alternative, further extending the versatility of the invention.
Patent CA-2210214-A1 (CA)
Title: Cdma receiver with weighted interference cancellation
Inventor: KAWAKAMI EIICHIRO
IPC: H04J13/00
Filed: 1997-07-11
Abstract: A code division multiple access receiver estimates symbol values transmitted by different stations by despreading a combined received signal, weights the estimated symbol values by use of weighting factors calculated for the different stations, respreads the weighted symbol values to estimate the interference due to each station, and subtracts the estimated interference from the received signal to produce a residual signal.  The weighting factors can be calculated from the residual signal; the weighting factors are calculated so as to minimize the power of the residual signal.  The weighting factors are adjusted at certain intervals, preferably at intervals determined from the rate of fading of the received signal.
Patent CA-2212551-A1 (CA)
Inventor: WOODS JILL
IPC: C09D11/00
Filed: 1996-02-08
Abstract: An ink jet printer ink of the kind comprising a dispersion of a pigment in a non-aqueous diluent wherein the diluent is a single phase liquid comprising a major amount of aliphatic hydrocarbon and a minor amount of a polar component, comprising oleyl alcohol alone or in combination with at least one other polar liquid such as an ether or an ester.
Patent CA-2213452-A1 (CA)
Inventor: DUNSHEE WAYNE K
IPC: C09J133/08
Filed: 1996-01-22
Abstract: A pressure-sensitive adhesive composition comprising a blend of both an acrylic ester-acrylic acid-macromolecular monomer copolymer adhesive component and an acrylic ester-acrylic acid-hydroxylated ether alkyl acrylate copolymer adhesive component in a ratio range of about 90:10 to 10:90 by weight of these components, methods for making such pressure-sensitive adhesive blends and tape articles having novel pressure sensitive adhesive blend components.
Patent CA-2213581-A1 (CA)
Inventor: IAIZZO PAUL ANTHONY
IPC: A61F2/66
Filed: 1997-08-20
Abstract: A weight-bearing apparatus such as a cushion, prosthetic device, or bed mattress includes a support surface having a shaped or sculpted portion that conforms to the shape of a body portion being supported. The shaped portion fits to the body portion, thereby to position the body portion so as to situate one or more weight-bearing parts of the body portion over specific zones of the support surface that are cooled below normal body temperature. The reduced temperature applied to the zones of the support surface removes heat from the weight-bearing areas, thereby reducing the risk of injury to tissue in those areas.
Patent CA-2214233-A1 (CA)
Inventor: DASGUPTA TAPASHI
IPC: C12Q1/02
Filed: 1997-08-29
Abstract: The present invention provides for a method of assessing for viability of organisms in a live microbial therapeutic preparations.  The method involves first measuring a suspension of the organisms for the quantity of a selectable marker indicative of viable organisms. The measurements are then compared against a standard curve to give a count of the viable organisms in the suspension.  In a preferred embodiment, the present invention is directly a method of assessing the viability of Eimeria oocysts in a live coccidiosis vaccine.  The method involves first measuring a suspension of the Eimeria oocysts for the quantity of ATP bioluminescence in the suspension.  The quantity of ATP bioluminescence in the suspension may be compared against a predetermined standard to give a count of the viable Eimeria oocysts in the live coccidiosis vaccine.
Patent CA-2216171-A1 (CA)
Title: High speed digital video serial link
Inventor: TONKIN STEVEN WALLACE
IPC: H04N7/24
Filed: 1996-03-21
Abstract: A system for bi-directional digital serial communication and control of remote units including video cameras and input/output devices in machine vision systems. The communication system includes a main processor, communication hubs and remote units. The system is capable of monitoring and controlling the remote units in real-time while receiving video data images from the remote video cameras. Digital signals are transmitted in two different protocols; one for data communications, and one for control communications.
Patent CA-2216417-A1 (CA)
Title: Controlled release of miotic and mydriatic drugs in the anterior chamber
Inventor: ISRAEL STANLEY C
IPC: A61K31/765
Filed: 1996-04-18
Abstract: The present invention relates to compositions which maintain the structural integrity of the anterior chamber of the eye during ophthalmologic surgery, thereby protecting the tissues that form and line the anterior segment from potential damage and simultaneously providing sustained delivery of a miotic or mydriatic agent. The present invention provides for compositions which comprise a viscoelastic polymer, wherein sustained release of a miotic or mydriatic agent is mediated by ionic interactions, as well as for compositions wherein sustained release of a miotic or mydriatic agent is mediated by microcapsules or copolymer micelles.