baber/WOPTO huggingface dataset:
Patent CA-2078365-C (CA)
Title: Pichia pastoris linear plasmids and dna fragments thereof
Inventor: HAGENSON MARY JANE
IPC: C12N15/81
Filed: 1992-09-16
Granted: 1996-06-11
Abstract: Two novel linear DNA plasmids, pPP1 and pPP2, are described. Also, novel fragments of said plasmids containing the autonomous replica-tion sequence (ARS), and thus capable of self-maintenance as extra chrom-osomal elements are provided. These novel DNA sequences of the present invention are useful in a vector for self-maintenance in Pichia pastoris and are also useful as plasmid vectors which can be shuttled between yeast and bacteria.
Patent CA-2078694-C (CA)
Inventor: THOMAS HOWARD C
IPC: C07K16/00
Filed: 1991-03-25
Granted: 1998-10-27
Abstract: Variant de la protéine HBsAg ou fragment dudit variant affichant l'antigénicité de l'antigène de surface du virus de l'hépatite B. Le variant ou son fragment (vHBsAg) comprend un déterminant 'a' modifié comprenant un acide aminé autre que la glycine en position 145 de la séquence de HBsAg. Un vaccin comprenant vHBsAg est fourni, tout comme une trousse pour la détection diagnostique in vitro des anticorps anti-vHBsAg et une préparation d'anticorps comprenant des anticorps anti-vHBsAg.
Patent CA-2080061-C (CA)
Title: Child resistant blister package
Inventor: LATAIX GILBERT
IPC: B65D75/36
Filed: 1992-10-07
Granted: 2003-02-11
Abstract: There is disclosed a child resistant blister package comprising a conventional blister package having cavities Containing unit doses of medication.        The blister package is adapted to receive a locking member which is slidably secured to the blister package to effectively prevent children from accessing the medication therein and yet is readily, slidably removed from the blister package by an adult to access medication therefrom.
Patent CA-2081356-C (CA)
Title: Derivatives and analogues of 2-deoxy-2,3-didehydro-n- acetyl neuraminic acid and their use as antiviral agents
Inventor: VON ITZSTEIN LAURENCE M
IPC: A61K31/351
Filed: 1991-04-24
Granted: 2000-02-22
Abstract: Derivatives and analogues of 2-deoxy-2,3-didehydro-N-acetyl neuraminic acid, pharmaceutical formulations thereof, methods for their preparation and their use in the treatment of viral infections, in particular influenza, are described.
Patent CA-2082196-C (CA)
Title: Vertical retrieve spinner device
Inventor: ROSEK WILLIAM A
IPC: A01K85/12
Filed: 1992-11-05
Granted: 1995-04-11
Abstract: An improved vertical retrieve spinner device (10) comprising a spinner member (20) a pair of spherical bearing members (30) and (31) and a weight member (40) threadedly received in an axial manner and rotatably disposed on the intermediate portion of a primary wire support unit (11) having an eyelet member (18) formed on one end and a looped snap member (19) formed on the other end, such that the spinner member (20) will rotate freely relative to the wire support unit (11) when the spinner device (10) moves through the water in a vertical orientation.
Patent CA-2082799-C (CA)
Title: Process for preparing peptides
Inventor: JAKUBKE HANS-DIETER
IPC: C07K1/02
Filed: 1991-05-10
Granted: 2000-07-04
Abstract: The invention relates to a process for preparing chirally uniform peptides.     The aim of the invention is the preparation of chirally uniform peptides with the aid of proteolytic enzymes. The object comprises reacting alkyl esters of N-acylamino acids with proteases with amino acids, amino acid derivatives or peptides. The object is achieved by reacting an ester of an N-acylamino acid with a suitable amino acid derivative or peptide derivative with an unprotected N-terminal alpha-amino group in frozen aqueous solution during catalysis with a serine protease or cysteine protease. The peptides after splitting off of protective groups, can serve as active substances or intermediates of active substances.
Patent CA-2085178-C (CA)
Inventor: KIM KYEOGHYEON
IPC: D02G3/48
Filed: 1992-12-11
Granted: 1999-01-05
Abstract: A polyester multi-filamentary yarn having a novel internal microstructure, a polyester tire cord produced from the yarn and a process for production thereof are provided.    The polyester yarn of the present invention has a novel three-phase microstructure consisting of crystalline, amorphous and mesomorphous portions which will be changed to,  in the formation of a tire cord, a definite structure of crystalline and amorphous portions.    The polyester resin comprising at least 90 mol% polyethylene therephthalate  is melt-spun and  solidified by quenching  to produce a undrawn yarn with a birefringence of 0.03 to 0.08, which is then drawn at a total draw ratio of 1.4: 1 to 2.2: 1 and thermally treated and relaxed.  The resulting filamentary yarn is dipped in a rubber solution to produce a tire cord which exhibits excellent dimensional stability and fatigue resistance when it has been incorporated in a rubber matrix of a tire.
Patent CA-2086007-C (CA)
Title: Roll with adjustable deflection and its use
Inventor: LEHMANN ROLF
IPC: B21B13/14
Filed: 1992-04-30
Granted: 1999-04-13
Abstract: A roll for the thermal treatment of a web of material (4) in which the web of material (4) is cooled to a defined predetermined temperature in a gap (5) between the roll (1) and a counter-roll (2) is formed as a deflection controlled roll with a rotationally fixed carrier (8) and a rotatable roll jacket (10) which is supported relative to the latter with support elements (11). The roll jacket consists of a plurality of concentric zones, an inner soft zone (16) and a thin outer zone (17) with good thermal conductivity, for example of metal. The roll surface (22), is for example cooled with cooling gas nozzles which are regulated by a temperature sensor (20) so that the roll temperature in the gap (5) adopts a defined temperature value. A roll of this kind, is for example suitable for use in a calender for the smoothing of a paper web or also for the processing or manufacture of a plastic foil.
Patent CA-2089561-C (CA)
Title: Electrical distribution system having controller responsive to multiple command paths
Inventor: BILAS RONALD JOHN
IPC: H02B1/24
Filed: 1992-06-29
Granted: 1997-01-21
Abstract: For use within an electrical distribution system, a circuit arrangement is provided which includes a multitude of circuit breakers (20), each of which is operable by remote control in at least open and closed circuit positions. A circuit breaker control circuit is included and has a termination circuit (30) which in-terprets circuit breaker control signals from an external switch device, a circuit breaker drive board (34), which controls and monitors the multitude of circuit breakers (20), input means and a data path for receiving manual input instructions, a data port and a data path for receiving programming data from an exter-nal device, and a switch input data path, coupled to the termi-nation circuit (30), for carrying circuit breaker switch instruc-tions from the termination circuit. The control circuit responds to the manual input instructions, programming data and circuit breaker switch instructions according to a prioritization scheme.
Patent CA-2096269-C (CA)
Title: Irrigation control structure
Inventor: LANGEMANN PETER
IPC: E02B7/44
Filed: 1993-05-14
Granted: 1997-09-30
Abstract: An irrigation water control gate for controlling the amount of water delivered downstream.  The gate includes a frame and a pair of panels in the frame hingedly connected at adjoining horizontal side edges and forming a wedge shape extending upstream.  The upper panel forms the crest of the gate which is raised or lowered on cables.   Water level sensing means positioned above the crest for movement with the crest activates control means and cable driving means to move the crest so that water flowing over the crest is maintained at a constant depth.
Patent CA-2105886-C (CA)
Inventor: STEFANCHIK DAVID
IPC: A61B17/128
Filed: 1993-09-10
Granted: 2003-12-30
Abstract: An improved surgical instrument and sterile clip for ligating the vessel of a mammal. The clip has a pair of legs which are urged apart by the instrument to allow the clip to be placed on the vessel to be ligated.
Patent CA-2115613-C (CA)
Title: Injection molding valve member sealing bushing with thin collar portion
Inventor: GELLERT JOBST ULRICH
IPC: B29C45/28
Filed: 1994-02-14
Granted: 2002-02-12
Abstract: Valve gated injection molding apparatus wherein the reciprocating valve member extends into the melt passage through a sealing bushing. The sealing bushing has a thin steel collar portion which extends forwardly into the melt passage and fits around the valve member to form a seal against leakage of melt rearwardly along the valve member. In the preferred embodiments, the collar portion is thin enough that it is slightly compressed around the valve member by the pressure of the surrounding melt in the melt passage to improve the seal.
Patent CA-2121955-C (CA)
Title: Communication method in network system for performing information transmission among terminal equipments using light beams of a plurality of wavelengths, terminal equipment used in the method, and network system using the method
Inventor: YAMAMOTO MITSURU
IPC: H04B10/213
Filed: 1994-04-22
Granted: 1999-05-11
Abstract: A network system includes a wavelength-multiplexing transmission path for multiplexing and transmitting a plurality of wavelengths, and a plurality of terminal equipments connected to the transmission path.  A transmission wavelength and a reception wavelength are assigned in advance to each of the plurality of terminal equipments.  When data must be transmitted between the terminal equipments, and when a transmission wavelength of a transmission source terminal equipment as a transmission source of the data is different from a reception wavelength of a destination terminal equipment as a destination of the data, wavelength conversion is performed such that a terminal equipment located between the transmission source terminal equipment and the destination terminal equipment temporarily receives the data, and transmits the data at another wavelength.
Patent CA-2122349-C (CA)
Inventor: TRANKIEM HOANG M
IPC: B05D3/02
Filed: 1992-10-23
Granted: 2001-05-29
Abstract: A method of forming a polyfluorocarbon coating on a razor blade cutting edge comprises subjecting a fluorocarbon polymer having a molecular weight of at least 1,000,000 in dry powder form to ionizing irradiation to reduce the molecular weight of the polymer forming a dispersion of the irradiated polymer in a volatile organic liquid, spraying the dispersion on to a razor blade cutting edge, and heating the coating obtained to sinter the polyfluorocarbon. The polyfluorocarbon preferably is polytetrafluoroethylene and irradiation preferably is effected to obtain a telomer having a molecular weight of about 25,000.
Patent CA-2124708-C (CA)
Title: Spectrum-sliced fiber amplifier light source for multi-channel wavelength-division-multiplexed applications
Inventor: CHUNG YUN C
IPC: H04B10/43
Filed: 1994-05-31
Granted: 1998-10-20
Abstract: The present invention relates to a potentially inexpensive light source for multichannel wavelength-division-multiplexed (WDM) applications.  The high-power amplified spontaneous emission (ASE) from a fiber amplifier, which is already in the optical fiber, is efficiently divided into many channels using a WDM demultiplexer.  This "spectrum-sliced" ASE is used as light sources for WDM systems rather than several wavelength-selected DFB lasers.
Patent CA-2127021-C (CA)
Inventor: SMITH MYRON LEE
IPC: F02D29/06
Filed: 1994-06-28
Granted: 2003-12-09
Abstract: A method for limiting smoke and fire upon loading a diesel engine having a power piston with a variable piston gap for controlling fueling of the engine, includes sensing the piston gap value on a cyclical basis, computing the piston gap velocity, comparing the computed piston gap velocity with a preset piston gap velocity range, and adjusting engine horsepower output upon the computation of an abnormal piston gap velocity reading. Thus, engine overfueling during loading is prevented.
Patent CA-2138671-C (CA)
Inventor: LANDA BENZION
IPC: G03G15/11
Filed: 1992-07-02
Granted: 2003-11-25
Abstract: Apparatus for detecting concentrations of colored toner particles in the presence of black or other absorbing toner particles including a light source, a light detector having a field of view of less than about ~10 degrees and preferably less than ~5 degrees, apparatus for supplying a dispersion of colored toner particles optionally containing undesirable contamination by black toner particles between the light source and the detector and computing circuitry operative for determining the concentration of the colored toner particles utilizing output from the light detector.
Patent CA-2138734-C (CA)
Inventor: KASHIWAZAKI AKIO
IPC: B41M5/00
Filed: 1994-12-21
Granted: 2000-11-14
Abstract: Provided is a recording method for image formation on a recording medium by application thereon of an ink containing a water-soluble dye having an anionic group or a cationic group in the molecule: the recording medium comprising a substance having an ionic group counter to the anionic or cationic group of the water-soluble dye and having molecular weight of not higher than 1,000, and a polymeric substance having molecular weight of not lower than 2,000.
Patent CA-2141530-C (CA)
Inventor: MCVENES RICK D
IPC: A61N1/05
Filed: 1995-01-31
Granted: 2000-11-14
Abstract: A chronic myocardial pacing lead for the delivery of stimulation energy to and the sensing of electrical signals from the myocardium of a human heart. In one embodiment the lead is bipolar, having a sleeve electrode implanted into the myocardium and a pad electrode positioned on the epicardium. The lead includes a drug for delivery through the sleeve electrode to the myocardium. The disclosed lead is highly flexible to minimize tissue reaction, this permits the lead to offer relatively low pacing thresholds, high impedance, and excellent sensing in a configuration which is relatively easy to implant.
Patent CA-2149126-C (CA)
Inventor: FREELAND MARY ELAINE
IPC: A61F5/44
Filed: 1993-12-09
Granted: 1999-07-20
Abstract: Article absorbant jetable comprenant un élément de séparation transversal. L'élément de séparation transversal s'élève à la verticale à partir de la feuille supérieure et présente une discontinuité abrupte par rapport au plan de l'article absorbant jetable, et empêche ainsi le déplacement de matières fécales déposéese dans la partie postérieure de l'article absorbant jetable vers la partie antérieure de cet article. Cette obstruction permet d'éviter sensiblement que les parties génitales de l'utilisateur soient souillées par les matières fécales. Cet article peut comprendre des lisières d'arrêt verticales pour la jambe. L'élément de séparation transversal peut être relié aux lisières d'arrêt pour former un profil en H.
Patent CA-2150937-C (CA)
Title: Synthetic catalytic free radical scavengers useful as antioxidants for prevention and therapy of disease
Inventor: MALFROY-CAMINE BERNARD
IPC: C07F13/00
Filed: 1993-12-06
Granted: 2007-08-14
Abstract: The invention provides antioxidant salen-metal complexes in a form suitable for pharmaceutical administration to treat or prevent a disease associated with cell or tissue damage produced by free radicals such as superoxide.
Patent CA-2152383-C (CA)
Inventor: COLLINS GARY J
IPC: E21B43/14
Filed: 1994-09-16
Granted: 1999-03-16
Abstract: Procédé permettant de forer et d'achever des puits souterrains multiples à partir d'un puits commun (9) et ensemble destiné à guider une garniture de forage pendant le forage et le tubage au cours de l'achèvement de ces puits multiples. Ledit ensemble comporte une tête (6) de puits située à la surface ou à proximité de la surface du sol et placée au-dessus du puits commun (9), au moins deux éléments tubulaires (30, 34) placés dans le puits commun et des dispositifs placés au niveau de ladite tête (6) de puits destinés à séparer et à soutenir les éléments tubulaires. Selon ledit procédé, au moins un puits souterrain est foré à travers l'un des éléments tubulaires (30, 34) dans une formation souterraine. Les hydrocarbures peuvent être acheminés de la formation souterraine vers la surface par une colonne de production et/ou un tube de production placés dans le puit souterrain (9). D'autres puits souterrains peuvent être forés de manière similaire à travers d'autres éléments tubulaires de l'ensemble.
Patent CA-2156485-C (CA)
Title: Textile core having improved start-up groove and grooving blade thereof
Inventor: RUMMAGE TONY F
IPC: B26D1/00
Filed: 1993-06-03
Granted: 1999-03-23
Abstract: The invention provides textile cores (10) having improved start-up grooves (12). The start-up grooves have a generally V shaped cross section and in one embodiment, at least one longitudinal portion (14), preferably the leading portion of the groove, has at least one vertically compound angle sidewall (23, 32) with a roughened surface (36) for gripping a yarn line. In another em-bodiment, a start-up groove (161) includes at least one longitudinal portion (167), preferably the trailing portion of the groove, having at least one longitudinally compound sidewall (180, 184) defined in longitudinal cross section by a plurality of alternating, substantially rectangular tongue and notch sections (170, 172) extending along the sidewall. In accordance with other aspects of the invention, improved grooving blades (50, 150) for textile cores are provided and are formed using an electric discharge ma-chining (EDM) process.
Patent CA-2157586-C (CA)
Title: Indoletetralins having dopaminergic activity
Inventor: ANDERSSON BENGT RONNY
IPC: C07D491/04
Filed: 1994-03-21
Granted: 2007-06-05
Abstract: A compound of formula (I) and pharmaceutically acceptable salts thereof, where Z is R3 and X  and Y form (a), or X is R3 and Y  and Z form (a), (b) or (c); R1 and R2 are independently hydrogen, C1-6 alkyl, C3-7 cycloalkyl, -CH2-C3-7 cycloalkyl, phenyl (option-ally substituted with halogen or C1-6 alkyl), -thiophenyl (option-ally substituted with halogen or C1-6 alkyl), or C1-6 alkyl phenyl;  R3 are independently hydrogen, halogen, -O-C1-6 alkyl or C1-6 alkyl; R4 is a valence bond, CH2 or oxygen; R5 and R6 are independently hydrogen, sulfur, -S--C1-6 alkyl, halogen, CON(R3)2, -COCF3, -COC1-6 alkyl, -CO phenyl, oxygen, -CHO, CN except that when Y and Z form (b), R1 and R2 are hydrogen or a C1-6 alkyl and R3 is hydrogen, then at least one of R5 and R6 must be other than hydrogen. These compounds and derivatives thereof exhibit dopamine-receptor stimulating activ-ity in mammals which are useful for treating hyperprolactinemia, galactorrhea, amenorrhea, impotence, Parkinsonism, diabetes, acromegaly, hypertension and other central nervous system disorders which respond to dopamine-receptor stimulation.
Patent CA-2158387-C (CA)
Inventor: TAYLOR THOMAS ALAN
IPC: F01D5/20
Filed: 1995-09-15
Granted: 1999-09-14
Abstract: A compressor or turbine blade having its tip coated with a zirconium-based oxide having a plurality of macrocracks extending at least 100 microns through the coating and the process used to produce such a coating.
Patent CA-2159181-C (CA)
Inventor: PEASE RICHARD ARTHUR
IPC: B01J41/04
Filed: 1994-03-28
Granted: 2003-05-13
Abstract: In the preparation of poly(m-phenylene isophthalamide) filaments, hydrogen chloride is removed from as produced amide solution of poly(m-phenylene isophthalamide) by contact with basic ion exchange resin.
Patent CA-2163791-C (CA)
Inventor: KIRSCHNER ULRICH
IPC: A61L2/00
Filed: 1994-05-17
Granted: 2003-12-30
Abstract: The subject matter comprises anti-infective materials such as antimicrobial materials based upon poly(hexamethylene)biguanide having a mean molecular weight M w of 2,900 through 15,000, suitably 3,000 to 8,000, in particular 3,200 to 5,000, which are suitably in the form of a wound antiseptic and/or a wound treating material or a material for antimicrobial, antiviral, and/or antiparasitic treatment which may suitably be administered by the intravenous mode. The utilization concentration of the poly(hexamethylene)biguanide as a wound antiseptic and/or a wound treatment material suitably lies in the range of 0.001 through 0.05 wt.%, in particular 0.005 through 0.12 wt.%. As compared to the known disinfective materials based upon poly(hexamethylene)biguanide which have been utilized as wound antiseptics and wound treatment materials, the poly- (hexamethylene)biguanides utilized in the present invention have a higher mean molecular weight and demonstrate an increased microbicidal activity coupled with lower toxicity and are free of side effects on the central nervous system.
Patent CA-2163869-C (CA)
Title: Coin validation
Inventor: BOINTON RICHARD GUY
IPC: G07D5/06
Filed: 1995-03-17
Granted: 2006-08-01
Abstract: Coin validation apparatus comprising a coin path (2, 5, 6); an impact element (14) disposed in the coin path to be contacted by a coin (10); an impact transducer (8) arranged to generate an output signal in dependence on vibration of the impact element (14); and control means (7) for determining a coin parameter based on the output signal; characterised in that the impact element (14) is shaped to create multiple impacts with a passing coin (10).
Patent CA-2167665-C (CA)
Title: Auger boot
Inventor: STARK LARRY
IPC: B65G65/34
Filed: 1996-01-19
Granted: 2001-07-03
Abstract: The present invention provides an auger boot for use with a grain auger particularly of the type for use when manually delivering grain to the inlet of a grain auger. The auger boot delivers grain to the inlet of a grain auger, can be easily placed in position and be removed when not needed. Use of the auger boot does not require modification of the grain auger. The auger boot is well suited for use when manually loading grain into the auger, and is well suited for use inside of grain bins. The auger boot comprises a grain accumulator and a grain hopper.  The grain accumulator is adapted to slide over and to surround the inlet end of the grain auger and a grain hopper is attached to the grain accumulator for delivering grain to the grain accumulator.
Patent CA-2169074-C (CA)
Inventor: FURTEK ALLAN BRENT
IPC: B01J31/10
Filed: 1994-09-06
Granted: 2006-10-24
Abstract: A catalyst precursor composition comprises the reaction product of a cation exchange resin containing trityl carbonium ions contacted with a metallocene. The process of producing the reaction product of a cation exchange resin containing trityl carbonium ions contacted with a metallocene comprises: (1) providing a cation exchange resin which has cations, (2) contacting the cation exchange resin with a solution comprising a trityl halide complex and solvent therefor to form an intermediate; and (3) contacting the intermediate with a metallocene, preferably a zirconocene salt. The resulting composition can be used to form ethylene resins in an alumoxane free system.
Patent CA-2171294-C (CA)
Title: Viscous surfactant emulsion compositions
Inventor: MICHAELS EDWIN B
IPC: C09K23/00
Filed: 1994-09-09
Granted: 2004-04-06
Abstract: Antiinfective water-in-oil or oil-in-water emulsions comprising amphoteric surfactants of betaines and amine oxides, hydrophobic materials and emulsion aids.
Patent CA-2181881-C (CA)
Inventor: YOSHIDA MASANAO
IPC: G11B17/24
Filed: 1996-07-23
Granted: 2000-02-15
Abstract: A magazine controlling method is disclosed for smoothly stopping a disk storing magazine.  According to the method of the invention, the rotational speed of the disk storing magazine in rotation is reduced upon the magazine reaching a position a small distance short of a predetermined stop position, and the magazine is then stopped at the predetermined stop position.