baber/WOPTO huggingface dataset:
Patent CA-2001537-C (CA)
Title: Process for producing alpha olefins
Inventor: SLAUGH LYNN H
IPC: B01J23/34
Filed: 1989-10-26
Granted: 1999-03-23
Abstract: A process for producing an olefin product having an enhanced alpha olefin content from an olefin feedstock comprising internal olefins or a mixture of internal and alpha olefins which process comprises: (a)  contacting said feedstock with an anthracene, and optionally a double-bond isomerization catalyst, at a temperature in the range of from 150 to 275°C to form an olefin adduct with anthracene, (b)  separating said adduct from the product of step (a), (c)  heating said separated adduct at a temperature in the range of from 250 to 400°C to produce anthracene and an olefin product enhanced in alpha olefin content over the alpha olefin content of the feedstock, and (d)  separating anthracene from the product of step (c) to produce said product enhanced in alpha olefin.
Patent CA-2005589-C (CA)
Title: Self-sustained, sequence replication system
Inventor: GINGERAS THOMAS RAYMOND
IPC: C12Q1/6865
Filed: 1989-12-14
Granted: 2001-02-06
Abstract: The present disclosure provides details of an invention comprising an amplification system for the detection of target nucleic acids, most particularly target nucleic acid sequences, in an isothermal setting wherein all of the reagents necessary to conduct the amplification are present and the reactions are self-sustaining and continuous. Featured is a selective enzymatic digestion of a RNA/DNA duplex, formed by hybridization of a DNA primer with target nucleic acid, thus freeing the DNA strand for further hybridization followed by primer extension to provide a DNA duplex that can serve as a template for production of a plurality of transcripts that can be recycled and/or detected as such for deduced presence of target nucleic acid sequence.
Patent CA-2008931-C (CA)
Title: Improved linear optical conduit, system and method of manufacture
Inventor: ROBBINS JOHN A
IPC: B29C48/00
Filed: 1990-01-30
Granted: 2004-01-06
Abstract: The present invention is directed to a heat shrink clad core optical conduit and to an optical conduit having either a thermoplastic, thermoset or liquid, light transmitting core surrounded by, preferably a fluoropolymer cladding which is in turn surrounded by a tight-fitting, finish polymer jacket which may be either transparent or translucent, and is preferably made of a polyvinyl chloride, polycarbonate, acrylic or silicone material. Numerous fillers and inserts may be used in the finish jacket polymer and the finish jacket polymer may be formed into various shapes. Bondable jacket materials may be used. The preferred method of forming the manufacturing jacket around a heat shrinkable fluoropolymer cladding is by extruding a low extrusion temperature polymer over a heat shrink clad in its expanded form into which an increased interior pressure is maintained to prevent shrinkage during the extrusion process.      The preferred method of forming the finish jacket around a base clad core material is by an extrusion process where the finish jacket material is extruded aver a heat shrink type fluoropolymer clad, in its expanded form, cured thermoset core thereby simultaneously shrinking the clad.
Patent CA-2011346-C (CA)
Title: 2-(1-piperazinyl)-4-phenylcycloalkanopyridine derivatives, processes for the production thereof, and pharmaceutical composition containing the same
Inventor: HINO KATSUHIKO
IPC: C07D221/04
Filed: 1990-03-02
Granted: 1999-08-03
Abstract: The present invention is directed to 2-(1-piperazinyl)-4-phenyl-cycloalkano-pyridine derivatives of the formula (I):     (see fig. I) wherein n is 3, 4, 5, 6 or 7; R1 is hydrogen atom, C1-C10 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, C3-C8 cycloalkyl, C3-C6 cycloalkyl-(C1-C4) alkyl, hydroxy-(C2-c6) alkyl, C1-C3 alkoxy-(C2-C6) alkyl, acyloxy (C2-C6) alkyl, unsubstituted or substituted aroyl-(C1-C6) alkyl, unsubstituted or substituted aryl, heteroaryl, or acyl; R2 and R3 are the same or different and each represent hydrogen atom, halogen atom, C1-C6 alkyl, C1-C6 alkoxy, trifluoromethyl, or hydroxy; R4, R5 and R6 are the same or different and each represent hydrogen atom, C1-C6 alkyl, or phenyl, or two of R4, R5 and R6 combine to form a single bond or C1-C3 alkylene; R7 and R8 are the same or different and each represent hydrogen atom or C1-C3 alkyl; m is 2 or 3, or an acid addition salt thereof. These derivatives are useful as psychotropic drugs. The invention is also directed to processes for the preparation of the derivatives.
Patent CA-2011448-C (CA)
Title: 6-amino-6-desoxyfumagillols, production and use thereof
Inventor: KISHIMOTO SHOJI
IPC: C07D405/04
Filed: 1990-03-05
Granted: 2000-06-27
Abstract: The present invention relates to a compound of the formula: (see formula I) wherein R1 is 2-methyl-1-propenyl group or isobutyl group; R2 and R3 are each hydrogen atom, an optionally substituted hydrocarbon residue or an optionally substituted acyl group or R2 and R3 may form a ring together with the adjacent nitrogen atom; and the bonding mark ~ means .alpha.-linkage or .beta.-linkage, or a salt thereof.      The compound (I) of the present invention has, among others, angiogenesis inhibiting activity, cell-growth inhibiting activity and immune reaction inhibiting activity, thus being useful as medicines, etc.
Patent CA-2020771-C (CA)
Inventor: CAHILL JOHN W
IPC: B65D1/02
Filed: 1990-07-09
Granted: 2001-04-24
Abstract: An injection molding process for making a multiple layer, plastic structure. A plastic sleeve is placed and thin enclosed in a mold cavity. A flowing heated plastic is conducted into the mold cavity, radially inside the sleeve, and forced radially outward against the sleeve. The flowing plastic forces the sleeve outward and forms, with the sleeve, an integrally bonded laminated structure. The mold is opened and the plastic structure is removed, and this structure may then be reformed to form a container particularly suitable for containing beverages, foods, cosmetics, pharmaceuticals and chemicals.
Patent CA-2031856-C (CA)
Title: Process for the production of an evaporated milk product
Inventor: DALAN ERNESTO
IPC: A23C9/18
Filed: 1990-12-10
Granted: 2001-10-02
Abstract: To produce evaporated whole milk sterilized without non-lactic additives, the standardized milk is subjected to homogenization or a natural lactic emulsifier is added to the standardized milk, followed by two heat treatments before and after concentration by evaporation. The evapo-rated milk is sterilized after packing in containers or on-line before packing, in which case the containers are filled under aseptic conditions.      The evaporated milk obtained keeps at room temperature without forming deposits, without gelling and without any separation of fats.
Patent CA-2036851-C (CA)
Title: Metal clad cable and method of making
Inventor: GANATRA RAVINDRA H
IPC: H01B7/18
Filed: 1991-02-21
Granted: 2000-06-27
Abstract: An electrical cable and method for making the same.      The cable includes a plurality of conductors formed into a bundle and surrounded by an armor sheath. A barrier, formed of polyester or polypropylene tape, is disposed directly between the bundle of conductors and the armor sheath. The tape is formed into layers, each layer extending over the length of the bundle of conductors. The tape has a thickness of about 1.5 to 2.0 mils. The preferred form of tape has longitudinally extending corrugations providing a corrugated thickness of 8.0 to 10.0 mils. Each layer of tape is applied either helically or longitudinally wrapping the tape around the bundle of conductors. The barrier separates the bundle of conductors and the armor sheath and provides impact resistance against the armor sheath being driven into contact with the conductors.
Patent CA-2038046-C (CA)
Inventor: WHITE JOHN J
IPC: G01F23/72
Filed: 1991-03-12
Granted: 2001-05-08
Abstract: The tank-level gauge comprises an outer tube sealed at its lower end and adapted for attachment to the top wall of a tank. The gauge also comprises two telescoping rods axially movable within the outer tube. A float encircles the outer tube. Magnets respectively attach to the float and to the lower end of the inner gauge rod, whereby a rising level causes such inner rod to rise as well. When the liquid level reaches a predetermined level, the inner gauging rod becomes disconnected and a magnet on the outer gauging rod becomes coupled to the float magnet, whereby the outer gauging rod continues to rise. Indicia on the inner gauging rod provide information on the height of the liquid in the tank from its empty condition to a partly full condition. Indicia on the outer gauging rod provide information on the quantity of liquid in the tank from its partly full condition to its full condition.
Patent CA-2039400-C (CA)
Title: Aerosol hair spray composition
Inventor: BENSON ALICE B
IPC: A61K8/81
Filed: 1991-03-28
Granted: 1997-01-21
Abstract: An aerosol hair spray composition which provides both significantly increased holding power and decreased drying time contains about 3.5% to about 5% of a lower alkyl ester of an alkyl vinyl ether maleic-acid copolymer, from 50% to 80% of a lower aliphatic alcohol, from 0.53% to about 0.72% of a neutralizing agent, from 25% to about 35% of a propellant and the aerosol spray is maintained at 30 to 50 lbs./sq. inch and delivered at a rate of 0.4 to 0.8 grams/sec. at 70°F.
Patent CA-2043164-C (CA)
Title: Well tool
Inventor: SABLE DONALD E
IPC: E21B17/10
Filed: 1991-05-23
Granted: 1995-01-24
Abstract: A stabilizer rod connectible in a sucker rod string on a sub-surface well pump having a shank of greater diameter than the shanks of the sucker rods of the string and connector means at its  opposite ends whose diameter is not greater than that of the connector means at the ends of the sucker rods.
Patent CA-2044251-C (CA)
Inventor: GRIMS CONRAD M
IPC: B21D24/00
Filed: 1990-02-26
Granted: 1999-06-01
Abstract: L'invention concerne un appareil de réétirage (16) pour un appareil de fabrication de corps de boîtes, dans lequel le chariot de réétirage (40) de l'appareil de réétirage (12) est monté pour effectuer un mouvement de va-et-vient coulissant sensiblement sans frottement sur une paire de montants de support (70, 72) espacés montés de manière fixe sur le logement (18) maintenant les moules de formage et d'étirage de boîtes. On a également prévu un système d'équilibrage (110) appliquant une force pour équilibrer le poids d'une partie de structures utilisées pour faire aller et venir le chariot de réétirage (40). On a en outre prévu un ensemble de vérin (150) supportant un vérin (262) destiné à effectuer un mouvement dans ledit appareil de réétirage (16) et lesdits moules de formage et d'étirage de boîtes, dans lequel une paire d'arbres allongés espacés (154, 156) sont montés de manière fixe, un chariot (170) de vérin auquel est fixé ledit vérin (262) étant pourvu de supports liquides (180, 182) utilisant un liquide de refroidissement comprenant de l'eau contenant des agents solubles, afin de monterle chariot (170) du vérin sur les arbres allongés (154, 156) pour permettre un mouvement sensiblement sans frottement sur ces derniers. On utilise aussi un support liquide de guidage (272) afin d'assurer l'alignement correct du vérin (262). L'invention concerne également un vérin à va-et-vient (1014) supporté uniquement par un support liquide (1030), ledit support liquide (1030) utilisant un refroidissant liquide comprenant de l'eau contenant des agents solubles, à une longueur suffisante pour assurer l'alignement correct de la partie avant (1020) du vérin allongé (1014) à mesure qu'elle s'engage dans une ébauche de boîte située dans un ensemble de réétirage (1010) et qu'il se déplace dans les moules de formage et d'étirage pour former un corps de boîte allongée.
Patent CA-2044400-C (CA)
Title: Image processing system for documentary data
Inventor: KEOGH KENNETH MICHAEL
IPC: G06V10/143
Filed: 1991-06-12
Granted: 2001-11-27
Abstract: A method for extracting information from a document bearing (a) first indicia detectable in a first scan mode, using light in a first spectral range, but not detectable in a second scan mode, using light outside the first spectral range, and (b) second indicia detectable in either the first scan mode or second scan mode, where the second indicia represent information encoded in one or more forms decodable by automated symbol recognition resources, comprise several steps.  One or more areas of interest on the document are defined in which the second indicia may appear, with the definition including information specifying the form of encoding for the second indicia. The document is scanned in the second mode, using a scanner that produces a pixel image of the indicia detected and the resulting pixel data are stored in a memory device. An area of interest is selected from those defined for the document and the pixel image of that area of interest is processed with an automated symbol recognition resource suitable for the form of encoding specified for the second indicia in the selected area of interest to produce one or more output records incorporating symbol information representative of the second indicia.
Patent CA-2045749-C (CA)
Title: Novel tape coating
Inventor: DEMPSTER WILLIAM A III
IPC: F16L58/10
Filed: 1991-06-26
Granted: 2000-10-03
Abstract: A tape wrap system adapted for protecting tubular articles comprising an innerwrap covering the surface of the article to be protected and an outerwrap placed over said innerwrap, said innerwrap comprising an impact-resistance polyolefin layer carrying an adhesive layer on its inner surface and a layer comprising an heat fusible material on its outer surface, or a single layer comprising a blend of an impact resistant moiety and a heat fusible moiety carrying an adhesive layer on its inner surface, said outerwrap comprising an impact-resistant polyolefin layer having an heat fusible layer on both surfaces or the inner surface thereof, or a singular layer comprising a blend of an impact resistant moiety and a heat fusible moiety; said tape wrap system fusing said innerwrap and outerwrap together when heated and thereafter cooled.
Patent CA-2049641-C (CA)
Inventor: OHKUMA SABUROH
IPC: H03G5/02
Filed: 1991-08-21
Granted: 1995-12-26
Abstract: The present invention relates to an acoustic circuit for correcting a sound field characteristic. A frequency characteristic of regenerated sound is made flat over as a wide frequency range as possible and a phase characteristic is adapted to match the characteristic of the sound field in which regenerated sound is obtained by eliminating phase distortion so that the regenerated sound is brought close to natural sound extremely.         The present invention realizing such characteristics includes an equalizer circuit having a medium frequency and high frequency correction circuits having a characteristic that a phase of an input aural signal advances as a frequency of the aural signal is increased in a higher frequency range than the vicinity of 1 KHz and a circuit constant which advances a phase of the frequency from about 1 KHz to 5 KHz relatively in order to attain far and near feeling, and a low frequency correction circuit having a characteristic that a phase of the input aural signal is delayed as the frequency of the aural signal is lowered in a lower frequency range than about 1 KHz and a circuit constant having a reverse characteristic to a peak of a resonance frequency of the sound field to be regenerated, the medium, high and low frequency correction circuits being connected one another. Further, the present invention includes a high fidelity regenerative amplifier provided with the equalizer circuit connected to a phase correction circuit for correcting a phase characteristic of an amplifier circuit for amplifying regenerated sound with high fidelity over a wide frequency range and an acoustic characteristic correction circuit in the high fidelity regenerative amplifier having an impedance conversion circuit connected to the equalizer circuit to convert an impedance of the equalizer circuit to a proper value.
Patent CA-2050158-C (CA)
Title: Process and apparatus for the discharge of a medium
Inventor: RECK GEORG
IPC: D21C7/08
Filed: 1991-08-30
Granted: 1997-12-23
Abstract: The invention relates  to a process  and an apparatus   for the discharge of a medium,  preferably an aqueous fibrous material suspension,  for instance a cellulosic fibrous material suspension, from a container (20), in particular a bleaching tower of the cellulose industry, treatmet medium,  in particular diluting liquid,   conveniently water, being fed to the medium  via orifices in  at  least  one   rotatable  agitating  organ,  in particular  agitating arm,disposed  in  the  area  of  the  container  bottom.  The  invention  is  mainlycharacterized  in  that   the feeding of the. treatment medium,  in particular the diluting liquid, through the orifices in the at least one  agitating organ, in particular agitatig arm, is effected  as a function of the  state variables of the treatment   medium,  in particular the  diluting liquid,   and/or  the medium to  be  discharged,  in particular  as  a  function     of  the pressure differential   between the treatment medium and the medium to be discharged in the area  of obturators for these orifices during the discharge operation.
Patent CA-2062464-C (CA)
Inventor: REHBERG HEINZ
IPC: B43M5/00
Filed: 1992-03-06
Granted: 1995-02-07
Abstract: The apparatus for raising the flaps of envelopes on the feeds of letter closing machines uses a suction plate in order to pass the open envelope flaps past the moistening apparatus.
Patent CA-2075268-C (CA)
Title: Apparatus for sealing packaging paper or the like with adhesive material in a packaging machine for editorial graphic products
Inventor: BALLESTRAZZI ARIS
IPC: B65B9/067
Filed: 1992-08-04
Granted: 2002-05-28
Abstract: An apparatus for sealing a continuous web of packaging paper or like material with adhesive material in a packaging machine for editorial graphic products, comprising a frame containing a first conveyor for conveying the paper web, unwound from a roll by an unwinding unit, and with the front end of which there are associated, externally, a second conveyor for feeding editorial graphic products to be packaged and, internally, means for folding the web for superimposing its longitudinal edges, there being provided downstream of the sealing apparatus an element for transversely cutting individual finished packages which have been sealed. In a region between the roll and the folding means there is provided an element for dispensing adhesive material in a direction transverse to the web, the dispensing element being operated by means which sense the arrival of each product.
Patent CA-2076811-C (CA)
Title: Controlled phase marine source subarray
Inventor: DUREN RICHARD EUGENE
IPC: G01V1/02
Filed: 1992-08-25
Granted: 2000-02-08
Abstract: Controlled phase marine seismic subarray for use in a marine seismic array and methods far constructing such subarray are provided. A controlled phase marine seismic subarrays of the present invention are arranged to operate at a preselected depth and to provide generally downgoing (for angles of emergence from the array that are of interest) far-field pulses having phase spectra that match the phase spectrum of the vertically downgoing far-field pulse up to a ghost-notch frequency. The methods select the depth of operation and type of sources for the subarray, select a maximum number of identical elements and spacing based upon the highest incidence angle and frequency for which phase control is desired, and construct a plurality of parallel, linear; subarray.
Patent CA-2080769-C (CA)
Title: Cathode-ray tube with anti-reflective coating
Inventor: IWASAKI YASUO
IPC: G02B5/28
Filed: 1992-10-16
Granted: 1996-12-17
Abstract: A cathode-ray tube has a faceplate on which is formed an anti-reflective coating with at least, two layers.  The first layer is formed on the outer surface of the faceplate by spin-coating an alcohol solution of an organometallic compound, leaving a porous metal oxide layer.  The second layer is formed on the first layer by spin-coating an alcohol solution of silicon alkoxide, leaving a porous silica layer.  Both layers are baked, and the first layer is baked or cured before the second layer is applied.  The first layer has a higher index of refraction than the second layer.
Patent CA-2086150-C (CA)
Title: Spin method of rinsing fabric in a horizontal axis washer
Inventor: EULER JOHN W
IPC: D06F35/00
Filed: 1992-12-23
Granted: 1999-11-02
Abstract: The present invention contemplates a rinse process which can be used with any wash cycle, but which has particular utility following a wash cycle have a highly concentrated detergent solution.      The method of rinsing fabric provided by the present invention is useful in a washer having a wash chamber rotatable about a horizontal axis. The steps undertaken in the method begin with loading fabric to be washed into the wash chamber of the washer. The fabric is then washed in a detergent solution while rotating the wash chamber about its horizontal axis for a first period of time. Next the detergent solution is drained from the wash chamber. The fabric is then rinsed by adding water to the wash chamber while spinning.the wash chamber at a speed to effect more than a one gravity centrifugal force on the fabric such that the fabric will not tumble within the wash chamber as it spins. Finally, the wash chamber is drained of the rinse water.
Patent CA-2090363-C (CA)
Title: Optical fiber switching device and method
Inventor: SAITO KAZUHITO
IPC: G02B6/36
Filed: 1993-02-25
Granted: 1998-11-17
Abstract: There is disclosed an optical fiber switching device having a coupling board comprising a plurality of first optical fibers connected to one surface of the coupling board in the arrangement to one surface of the coupling board, a plurality of second optical fibers connected to the another surface of the coupling board, an optical fiber length adjusting unit for handling surplus portions of the second optical fibers and switching unit for pulling out any one of the second optical fibers selected from the plural second optical fibers from the another surface of the connecting board and for connecting the any one optical fiber to different switching position of the another surface of the connecting board to coupling the any one optical fiber with any one of the first optical fibers.
Patent CA-2091723-C (CA)
Title: Game ticket confusion patterns
Inventor: WALTON BRADLEY WALTER
IPC: A63F3/06
Filed: 1993-03-16
Granted: 1997-10-21
Abstract: Security of game cards such as instant lottery tickets can be improved by locating a confusion pattern below a primer layer on the game cards substrate and by locating another confusion pattern on a release coat above the game card play indica.  Game card security can be further enhanced by using confusion pattern ink that bleeds through the game card in response to the application of various solvents.