baber/WOPTO huggingface dataset:
Patent CA-2080164-C (CA)
Inventor: KANEKO SHINOBU
IPC: B23Q11/10
Filed: 1992-10-08
Granted: 1997-03-18
Abstract: A method and apparatus for physically processing a workpiece by contact of a working tool with the workpiece, wherein a mass of bubbles of a working liquid is applied to an area of contact between said working tool and said workpiece. The apparatus includes a foaming device for foaming the working liquid  to  produce  the  mass  of  bubbles,  a  conduit  for delivering the mass of bubbles from the foaming device, and a nozzle disposed at one end of the conduit remote from the foaming device, for applying the mass of bubbles to at least one of the tool and workpiece. The nozzle may incorporates a foaming device.
Patent CA-2088376-C (CA)
Title: Dosage form for time-varying patterns of drug delivery
Inventor: WONG PATRICK S-L
IPC: A61K9/22
Filed: 1991-08-28
Granted: 2001-05-01
Abstract: A dosage form (10) is disclosed that comprises means (18) inside the dosage form for providing a substantially drug-free interval before dosage form (10) delivers a drug (15) from inside dosage form (10). The dosage form (10) in an embodiment comprises a drug (15) on the exterior of dosage form (10), which drug is available for immediate delivery.
Patent CA-2088609-C (CA)
Inventor: KUBITZA WERNER
IPC: C09D175/02
Filed: 1993-02-02
Granted: 2004-05-11
Abstract: The present invention relates to a process for the preparation of a coating by a) applying to a water-resistant substrate an aqueous coating composition containing water and a binder which consists essentially of at least one hydrophilically-modified organic polyisocyanate or polyisocyanate mixture which has an NCO content of 5 to 30, preferably l0 to 23% by weight, and is dispersible in water and b) curing the composition in the presence of moisture to form a polyurea coating.
Patent CA-2093384-C (CA)
Title: Powered rake having debris windrowing mechanism with helical splines
Inventor: JOHNSON ERIC
IPC: A01B43/00
Filed: 1993-04-05
Granted: 1998-12-29
Abstract: A  powered  rake  for  windrowing  debris  for subsequent collection is provided which includes a main frame for coupling to a tractor, a subframe mounted for pivotal movement relative to the main frame about an upright pivot axis, a roller pivotal with the subframe to an oblique angle relative to the direction of travel, and a material control member including a blade extending along the length of the roller and presenting a gap therebetween.   The subframe is preferably pivotal for presenting the roller at an oblique angle to the right or left with respect to the intended direction of travel, thereby  permitting  the  powered  rake  hereof   to continuously windrow the debris  in the path of the roller.   The roller is rotatably mounted on a pair of downwardly and forwardly extending legs which present substantially open areas outboard of the roller to permit debris to pass freely outboard into a windrow without any obstruction from the frame or subframe supporting the roller.  The roller preferably presents a plurality of circumferentially spaced, radially projecting splines which are spiral oriented around the longitudinal axis of the roller to present an even load on the roller as it rotates in engagement with the soil.
Patent CA-2095519-C (CA)
Title: Capacitative discharge ignition system for internal combustion engines
Inventor: KITSON MARK RAYMOND
IPC: F02P1/08
Filed: 1991-11-15
Granted: 2001-03-27
Abstract: Capacitative discharge ignition system for internal combustion engines; comprises a charge storage means coupled to the primary coil of an ignition soil means having the secondary coil thereof coupled to a spark means, and a switching means arranged to discharge the charge storage mans to provide a primary current through the primary coil for enabling the spark means to generate a spark.      The switching mans is arranged to terminate the primary current in the primary circuit at about the time when the charge storage means is substantially fully discharged, to induce a flyback potential across the primary coil to regenerate the spark for increasing the total spark duration.      Means for modifying the rate of discharge of the charge storage paeans to initially obtain a first rate of discharge for establishing the spark and then to obtain a reduced rate of discharge for sustaining the spark is also provided to increase the total spark duration.
Patent CA-2097729-C (CA)
Inventor: INOKUCHI HIROYUKI
IPC: H04B7/005
Filed: 1993-06-04
Granted: 1998-10-20
Abstract: In a level detector (17), a bias voltage is developed by a bias current to have a substantially constant difference irrespective of a temperature variation from a detected voltage produced by detecting a device output signal for use in TDM modulation.  A control signal generator (19) calculates a substantially temperature independent difference digital value by subtracting from a first digital value of the detected voltage and a second digital value of the bias voltage to produce an attenuation control analog level used in controlling a variable attenuator (11) which deals with a device input signal to produce an attenuator output signal with a desired value for use as the device output signal.  Preferably, the detected and the bias voltages are amplified by a variable gain amplifier (35) controlled by a processor output signal.
Patent CA-2100504-C (CA)
Title: Gelled organic liquids
Inventor: WESLEY JOHN N
IPC: C10L1/182
Filed: 1993-07-14
Granted: 2007-04-17
Abstract: Organic liquids can be very effectively gelled by using in combination with an amine neutralized anionic polymer an auxiliary rheological additive. The auxiliary rheological additive is a substance which increases the linearity of the anionic polymer and its thexotropic properties. Suitable auxiliary rheological additives are amphoteric oxides and/or fatty acids and/or fatty acid salts. The organic liquids that can be effectively gelled are organic solvents which include fuels such as hydrocarbons and alcohols.
Patent CA-2100726-C (CA)
Title: Apparatus and method for manufacturing ink jet printed products and ink jet printed products manufactured using the method
Inventor: MIURA YASUSHI
IPC: B41J3/407
Filed: 1993-07-26
Granted: 2001-10-09
Abstract: An object is to provide ink jet printed products superior in the image quality such that ink jet printing onto the cloths satisfy the various conditions regarding the density, resolution, blurring, graininess of dot. To accomplish this object, when an image is formed by a number of dots obtained by discharging the ink from a print head to attach the ink onto the cloths, the ink amount dis-charged from the printing head onto the cloths is controlled to produce ink jet printed products so that the average value of equivalent circle diameter for each dot after image formation may be three-fourths or lest the average value of diameters of fibers constituting said cloths. Thereby, ink jet printed products excellent in image quality can be obtained with blurs reduced and high graininess of dot.
Patent CA-2109462-C (CA)
Inventor: KURAMOTO TAKEO
IPC: B23K35/36
Filed: 1993-10-28
Granted: 1999-07-27
Abstract: A method of forming a solder film on a metallic surface such as a pad of a metallic circuit of a printed circuit board and a lead frame of electronic parts, which is capable of forming a precise and fine pattern and which comprises selectively imparting tackiness to only a predetermined part of the metallic surface by means of a tacky layer-forming solution containing at least one compound selected from benzotriazole derivatives, naphthotriazole derivatives, imidazole derivatives, benzoimidazole derivatives, mercaptobenzothiazole derivatives, benzothiazole thiofatty acid derivatives, and triazine derivatives, adhering a powdered solder to the resulting tacky part, and then melting the solder by heating to thereby form a solder film.
Patent CA-2109624-C (CA)
Title: Denture stabilizing compositions having improved hold
Inventor: SAUD ABEL
IPC: A61K6/00
Filed: 1992-06-05
Granted: 1997-12-09
Abstract: Disclosed are stabilizer compositions comprising specific mixed partial salts of a lower alkyl vinyl ether-maleic acid copolymer wherein said partial salts containing from about 15% to about 40% free acid, and as the cationic salt function; (a) from about 0.1 % to about 80% strontium cations; and (b) from about 0.1 % to about 65% zinc cations of the total initial carboxyl groups reacted.  Also disclosed are denture stabilizing compositions comprising these mixed partial salts, as well as denture stabilizing compositions comprising a safe and adhesively effective amount of two or more denture adhesive components wherein one of said denture adhesive components is the mixed partial salt(s) of the present invention.
Patent CA-2116621-C (CA)
Inventor: GAUDREAULT RENE C
IPC: C07C271/34
Filed: 1994-02-28
Granted: 2001-07-24
Abstract: The present invention is concerned with novel anticancer agents having potent antineoplastic activity without systemic toxicity and mutagenicity. The novel anticancer agents of the present invention are derivatives of formula I: (see formula I) wherein:      A is O or NH; and B is an aryl group selected from the group consisting of phenyl, indane, fluorene, indazole, indole, and pyridine, the aryl group being substituted with at least one substituent selected from the group consisting of hydrogen, C1-16 alkyl optionally substituted with one or more OH or SH, lower alkoxy, C3-6 cycloalkyl, lower alkylthio, nitro, cyano, lower alkene, lower alkyne, OH, SH, carboxy lower alkyl, carboxy lower alkyl esters, amino, N-lower alkyl, N,N-dilower alkyl and halogen; or a prodrug thereof, with the provisos that when A is NH and B is phenyl: a) B is substituted with at least one substituent other than hydrogen; b) B is not: 1) mono-substituted in the 4 position with C1-2 alkyl, tert-butyl or n-butyl, halogen, OH, carboxy C0-3 alkyl, (CH2)3COOCH3, cyano, acetyl and methylthio; and 2) substituted with one or two identical substituents selected from the group consisting of methyl, halogen, nitro, methoxy, carboxy and C0-3alkyl COON, the remaining substituents being hydrogen atoms.
Patent CA-2120952-C (CA)
Inventor: LUCH DANIEL
IPC: B65D1/02
Filed: 1992-10-06
Granted: 2005-03-22
Abstract: A tamper-evident, snap-on, screw-off closure (21) is used for a container neck (22) which has a first helical thread (29) on an upper neck stretch portion (28) and an external ratchet tooth (51) on a lower locking wall portion (40). The closure has an upper skirt (62) having helical thread (71) mating with the first helical thread. A downward extending skin (70) includes an outer skirt portion (74) which has an inwardly extending shoulder (73). A frangible section (76) interconnects the shoulder and the upper skirt portion (64). At least one vertical fin (100) is upstanding from the shoulder, preventing upward deformation of the lower skirt portion (74). The lower skirt portion (74) has at least one internal ratchet tooth (81) and a line of weakness (87) through the outer skirt portion and the shoulder. The lower portion skirt has a tear tab (86) which, when pulled, fractures the lower skirt at the frangible section (76).
Patent CA-2120999-C (CA)
Inventor: KOSKINEN JUKKA
IPC: B05C9/14
Filed: 1994-04-11
Granted: 2005-06-14
Abstract: This invention relates to a method and assembly for loading the doctor blade of a doctoring unit used, e.g., in coating a paper web, characterized in that the blade can be loaded close to the edge of the blade without compromising the accuracy of blade profile control. The blade is loaded by means of a backing member (8) having a Z-shaped cross section in which one side of the section forms a base (13), while the middle part forms a waist (18) which turns toward the base (13), and the other side (12) of the shape forms tip (12) pointing to an opposite direction relative to the base (13) and has at its end a tapering edge suited for pressing against the doctor blade (7). This approach is capable of eliminating the sliding movement of the backing member (8) relative to the blade which tends to impair the accuracy of blade pressure control.
Patent CA-2121672-C (CA)
Inventor: BUTLER LAURA J
IPC: G06T11/20
Filed: 1994-04-19
Granted: 2001-07-31
Abstract: Scalable three-dimensional borders are provided in the user interface of an operating system. The borders are scalable in several respects. First, the dimensions of the borders are scalable relative to the resolution of a video display upon which the borders will be drawn. Second, the colors used in the borders are scalable based upon the range of luminances available on the video display. The borders are colored to provide the visual illusion of depth such that the borders appear to be three-dimensional.
Patent CA-2121696-C (CA)
Inventor: LUPSKI JAMES R
IPC: C12N1/11
Filed: 1992-10-21
Granted: 2003-07-08
Abstract: Oligonucleotide primers and methods for indentifying strains of bacteria by genomic fingerprinting are described. The methods are applicable to a variety of samples. The tasting procedure includes amplifying the bacterial DNA in the sample to be tested by adding a pair of outwardly-directed primers to the sample. The primers are capable of hybridizing to repetitive DNA sequences in the bacterial DNA and extending outwardly from one hybridizable repetitive sequence to another hybridizable re-petitive sequence. After amplification the extension products are separated by size and the specific strain of bacteria is deter-mined by measuring the pattern of sized extension products. The procedure to identify strains of bacteria by fingerprinting has a variety of uses including: identifying bacteria in infections, agriculture and horticulture plots, bioremediation, food monitoring, production monitoring, quality assurance and quality control.
Patent CA-2129161-C (CA)
Title: Comb filter speech coding with preselected excitation code vectors
Inventor: OZAWA KAZUNORI
IPC: G10L19/08
Filed: 1994-07-29
Granted: 1999-05-11
Abstract: In a code excited speech encoder, an input speech signal is segmented into speech samples at first intervals and a spectral parameter is derived from the speech samples that occur at second intervals longer than the first intervals, the spectral parameter representing the characteristic spectral feature. Each speech sample is weighted with the spectral parameter for producing weighted speech samples. The pitch period of the speech signal is determined from the weighted speech samples. A predetermined number of excitation code vectors having smaller amounts of distortion are selected from excitation codebooks as candidate code vectors. The candidate vectors are comb-filtered with a delay time set equal to the pitch period. One of the filtered code vectors having a minimum distortion is selected. The selected filtered code vector is calculated for minimum distortion and, in response thereto, a gain code vector is selected from a gain codebook. Index signals representing the spectral parameter, the pitch period, the selected excitation and gain code vectors are multiplexed for transmission or storage.
Patent CA-2129248-C (CA)
Title: Shape selective conversion catalyst
Inventor: CHANG CLARENCE DAYTON
IPC: B01J29/06
Filed: 1993-03-11
Granted: 2005-02-01
Abstract: A shape selective conversion catalyst comprises a molecular sieve having a Constraint Index of 1-30 which has been treated with a mixture of a organosilicon selectivating agent and toluene at reaction conditions for converting toluene to xylene.
Patent CA-2129257-C (CA)
Title: A mirror assembly having means for emitting or receiving a predetermined narrow spectral band of light
Inventor: ROBERTS JOHN K
IPC: F21V9/00
Filed: 1993-10-18
Granted: 1996-11-12
Abstract: A mirror assembly (10) including an enclosure (50) having an aperture (44), and defining a cavity (60), a light source or lamp (70) for emitting light in predetermined wavelengths or an instrument for emitting or receiving light having predetermined characteristics, borne by the enclosure and positioned in the cavity; and a dichroic mirror (110) borne by the enclosure; and dis-posed in substantially occluding relation relative to the aperture, the dichroic mirror reflecting ambient visible light and being substantially transparent to the light emitted by the light source and instrument, or received by the instrument as the case may be.
Patent CA-2135147-C (CA)
Title: Method for producing flat, laminated mouldings by back-embossing according to the preform method
Inventor: NICOLAY ALBERT
IPC: B29C43/18
Filed: 1994-11-04
Granted: 1999-02-16
Abstract: The invention relates to a method for the production of laminated mouldings, such as internal linings or panellings of motor vehicles and the like, dimensionally stable parts, in which a support part is provided with a surface lamination and in which initially a preform having the same volume as the support part, but not having the same surface area with respect to the final shaping is produced. Utilizing the production heat inherent in it, the said preform is then connected by pressure action to the lamination by back-embossing with the thermoplastic material of the support part and is given its final shape by material flow processes.            The invention is intended to improve back-embossing in the production of laminated mouldings in such a way that with reduced embossing forces the surface-unitary adhesion of the lamination to the support part is improved and in particular for this the risk of bubble formation must be eliminated.  This is achieved in that preforms identical as regards volume to that of the support part and having same contour shapes as the finished laminated moulding and with a lattice-like structure at least in partial areas are subject to the material flow process, so that the initially open lattice meshes of the preform are closed by local flow with the pressure application for the back-embossing process.
Patent CA-2136535-C (CA)
Inventor: KYNSILEHTO EERO
IPC: F01N13/02
Filed: 1993-05-24
Granted: 2003-11-11
Abstract: The invention relates to a catalytic combustion engine exhaust gas purifier with additional air supply. The exhaust gas puri-fier comprises a housing structure (1) accommodating an exhaust gas inlet (2), at least one catalyst element (3), means (4) for lam-inarizing the exhaust gas flow, means (5 and 6) for dividing the housing structure (1) into several chambers (7-9); an exhaust gas outlet (10) and, additionally, means (11) for supplying additional air (1T and 18) into the exhaust gas flow (14 and 15) in the housing structure (1). One or more suction plates (19 and 20) are provided in the chamber (8) after the means (4) laminarizing the exhaust gas flow and at the sane time in the vicinity of the means (11) supplying additional air. The suction plates (19 and 20) comprise exhaust gas ports and additional air (17 and 18) ports, and the suction plates (19 and 20) are arranged against the ex-haust gas flow (14 and 15) and the additional air flow (17 and 18) so that the additional air is arranged to be sucked through the additional air ports and from the suction plates (19 and 20) into the exhaust gas flow (15) passing through the exhaust gas ports of the suction plates (19 and 20).
Patent CA-2137747-C (CA)
Title: Process for the continuous preparation of 2,2,6,6-tetramethylpiperidine
Inventor: KAMPMANN DETLEF
IPC: C07D211/12
Filed: 1994-12-09
Granted: 2005-08-30
Abstract: The reduction of triacetonamine with hydrazine also succeeds continuously by reactive distillation if the hydrazone is first formed and this is continuously transported to the distillation bottoms comprising a high-boiling solvent and an alkali at the base of a distillation column and the resulting 2,2,6,6-tetra-methylpiperidine is distilled off as an azeotrope.      In this procedure a hydrazine/triacetonamine ratio of 1.5:1 to 2.0:1 is sufficient, in comparison with the conventional synthesis, the product yield being able to be considerably increased (>90 %). Moreover, the amounts of alkali and solvent used can be considerably reduced.
Patent CA-2140315-C (CA)
Inventor: MISCHLER PETER
IPC: H04N5/445
Filed: 1995-01-16
Granted: 2004-07-06
Abstract: A device for the monitoring of a video installation is disclosed which does not need any intervention into the video sets (television set (4), video recorders (2, 3)). Signal pulses are superimposed on the television or the video signals at the antenna connection (1) and/or the video inputs (7, 8, 10). The superimposition is effected synchroneously to the signal appearing at the respective input (1, 7, 8, 10) in the range of the picture information of a preferably invisible picture line under the control of a processor (14). The burst may also be used for the introduction of digital data which characterize the television or video signal. The retrieval of the burst at the television set (4) is effected either at its video output (10) or by means of a probe (19) fastened at the exterior near the picture tube. For determining the programme reproduced by the television set (4), the presence of the burst as such or the data it contains are sufficient.
Patent CA-2141510-C (CA)
Inventor: WRIGHT ANDREW
IPC: E21B33/04
Filed: 1995-01-31
Granted: 1997-01-21
Abstract: An apparatus for rotatably hanging a tubing string in the wellhead of a well casing. The apparatus includes a tubing hanger shell that has a mandrel rotatably mounted therein. The mandrel has upper and lower ends with the upper end connected to a tubing rotator and the lower end engaging a tubing string. To facilitate the connection and disengagement of the mandrel to the tubing rotator, a hollow sleeve is used to couple the parts together. The hollow sleeve is received within the mandrel and has longitudinal splines which engage corresponding splines on the mandrel to transfer rotational energy from the rotator to the mandrel. The rotator is removed from the mandrel through the application of force, and through movement, in a direction parallel to the longitudinal axis of the tubing string.
Patent CA-2143201-C (CA)
Inventor: FRANCKX JORIS ISABELLA
IPC: F16J15/14
Filed: 1993-08-25
Granted: 2004-03-02
Abstract: A sealing member comprising: (a) a sealing material having a cone penetration between 80 and 400 (10-1 mm) and an ulti-mate elongation of at least 100 %, and (b) an elastomeric retaining member for the sealing material.
Patent CA-2149778-C (CA)
Title: Process for reactivating particulate adsorbents
Inventor: GALLOWAY TERRY RANDOLPH
IPC: B01J20/34
Filed: 1993-11-08
Granted: 2004-01-20
Abstract: A method is described for reactivating contaminated particulate adsorbent material (17). A gas stream (77) is passed through the adsorbent material. The gas stream comprises hydrogen, carbon monoxide and steam, and is substantially free of unbound oxygen. The temperature and flow rate of the gas stream is selected to volatilize organic compounds adsorbed by the adsorbent material. Thereafter, the gas stream is reacted with steam (61) at a temperature of at least 700 °F. The steam with which the gas stream is reacted is in excess of the stoichiometric amount required to react with substantially all of the organic compounds in the gas stream. Thereafter the gas stream is circulated back to the adsorbent material for further passing therethrough. The cycle is continued until the level of contamination of the adsorbent material is below a predetermined level.