baber/WOPTO huggingface dataset:
Patent CA-2048450-C (CA)
Title: Antisense oligonucleotide antibiotics complementary to the macromolecular synthesis operon, methods of treating bacterial infections and methods for identification of bacteria
Inventor: LUPSKI JAMES R
IPC: C12Q1/68
Filed: 1991-08-06
Granted: 2000-06-13
Abstract: A method of interrupting the expression of a macromolecular synthesis operon in bacteria comprising the step of binding an antisense oligonucleotide to a single stranded DNA or to a mRNA transcribed from the macromolecular synthesis operon. The antisense oligonucleotide can be either sequence specific to a unique intergenic sequence or a sequence specific to a bacterial homologous sequence. By interrupting the expression of the macromolecular synthesis operon bacterial infections can be treated. Specfic antisense oligonucleotides are disclosed. The ability of the antisense oligonucleotide to bind the mRNA or single stranded DNA also allows the identification of the bacteria by using a unique intergenic antisense oligonucleotide to bind to the single stranded DNA or to the mRNA transcribed from the macromolecular synthesis operon. A method for competitively inhibiting the protein products of the MMS operon with oligonucleotides is also disclosed. Methods of identifying unique intergenic sequence is also disclosed.
Patent CA-2049911-C (CA)
Inventor: HWONG JENG L
IPC: A63B60/06
Filed: 1991-08-26
Granted: 1994-11-15
Abstract: This invention relates to a badminton racket and in particular to one which includes a head, a sleeve having a longitudinal conical hole and a protuberance in an inner side thereof, a tubular shaft having a conical enlarged member at an intermediate portion and a cross slit at an end thereof, a conical plug force-fitted into the cross slit of the tubular shaft, and a handle having a hole for receiving the lower end of the tubular shaft and a recess adapted to receive the protuberance of the sleeve.
Patent CA-2058766-C (CA)
Inventor: RAGLAND G WILLIAM
IPC: C09J7/50
Filed: 1990-05-08
Granted: 2001-11-20
Abstract: ABSTRACT OF THE DISCLOSURE          This invention relates to improved polymer-pressure sensitive adhesive combinations, particularly in the form of laminates, and methods of producing same.  This invention improves the bond strength of the pressure sensitive adhesive to the polymer layer by priming the polymer surface with a curable urethane primer before applying the pressure sensitive adhesive to the polymer surface.  If the polymer surface is not "active" to the curable urethane primer, the polymer surface is first activated with a silicon-containing treating agent.  The laminates of this invention have superior bond strength, especially long-term bond strength.  Of particular interest are the embodiments of this invention wherein the polymer is a silicone foam and the pressure sensitive adhesive is either acrylic or silicone adhesive.
Patent CA-2060226-C (CA)
Title: Rust-preventive lubricant composition for zinc-plated steel material
Inventor: TAJIRI YASUHISA
IPC: C10M111/02
Filed: 1992-01-29
Granted: 1996-02-13
Abstract: A lubricant composition effectively enhancing the press-formability, and corrosion-resistance of a zinc-plated steel material and providing a superior, anti-powdering property and degreasing comprises (A) 70 - 97% by weight of a lubricant component comprising the sub-components of (a) a succinate of a C12-18 aliphatic alcohol, (b) a paraffin wax with a melting point of 45°C - 55°C and (c) a C12-18 fatty acid ester of C6-10 aliphatic alcohol and/or a mineral oil, the weight ratio ((a) + (b))/(c) being 1/3 to 1/1 and the weight ratio (a)/(b) being 1/3 to 4/1, and (B) 3 to 30% by weight of a rust-inhibiting component comprising a sulfonates with C16 or more, a carboxylic acid with C12 or more and/or a salt of the carboxylic acid, and has a melting point of 25°C to 40°C and an acid value of less than 2Ø
Patent CA-2060557-C (CA)
Title: (quinolin-2-ylmethoxy) indoles as inhibitors of the biosynthesis of leukotrienes
Inventor: PRASIT PETPIBOON
IPC: C07D409/14
Filed: 1992-02-03
Granted: 2002-06-04
Abstract: Compounds having the formula I:    are inhibitors of leukotriene biosynthesis.      These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating diarrhea, hypertension, angina, platelet aggregation, cerebral spasm, premature labor, spontaneous abortion, dysmenorrhea, and migraine.
Patent CA-2061234-C (CA)
Title: Preparation of fluorine-containing ethane dimer
Inventor: IKAWA TSUNEO
IPC: C07B61/00
Filed: 1992-02-14
Granted: 2001-12-18
Abstract: The present invention is directed to a method of preparing a fluorine-containing ethane dimer. The fluorine-containing ethane diner can be obtained in good selectivity by contacting fluorine-containing ethane of the formula:        CF3-CClX1X2 (I) wherein each of X1 and X2 is a fluorine or chlorine atom with a nickel catalyst. The dimer of the present invention is suitable for use as a monomer of a polymer.
Patent CA-2067341-C (CA)
Title: Method for synthesis of prostaglandin derivatives
Inventor: RESUL BAHRAM
IPC: C07D307/935
Filed: 1991-08-08
Granted: 1997-09-30
Abstract: Method for preparing 13,14-dihydro-17-phenyl analogues of PGF2a or PGE2 comprising the step of hydrogenating the double bond in an intermediate compound (I) without deoxygenation of the allylic alcohol to give one of the intermediate compounds (II, III) wherein R is hydrogen or one or more halogen, hydroxyl, cyanide, alkyl (preferably 1-4 carbon atoms), hydroxyalkyl, trifluoromethyl or aromatic or heteroaromatic substituents on the aromatic ring R1 and R2 are each hydrogen, alkyl (preferably 1-4 carbon atoms), hydroxyl, halogen or hydroxyalkyl substituents, R3 is O-alkyl or N(alkyl), P is a protecting group.
Patent CA-2069415-C (CA)
Title: Method of formatting documents using flexible design models providing controlled copyfit and typeface selection
Inventor: PARKER MICHAEL R
IPC: G06F17/21
Filed: 1991-09-25
Granted: 2003-05-13
Abstract: A method for typographic design (53) of a printed document utilizing typographical parameters designed by an expert typogra-pher (51) is provided. A standard body of text is executed in a standard font and a selected format by an expert design typogra-pher (51) to provide maximized readability of the standard body of text and to determine a set of reference parameters (61) associated with that selected format (57). Utilizing the reference parameters (61) in a computer program, an unskilled user may then execute a desired body of text (614) in a desired font (610) in the selected for-mat (612) to produce a printed document having substantially equal readability: The program allows a reader (51) to switch between typefaces to produce printed documents having substantially equal (see formula I) copyfit in different typefaces. The computer program provides a method of comparing typefaces to establish allowed pairs of type-faces for heading (616) and accent alternatives allowing a user (51) to customize design documents (53) with the parameter influencing text readability and copyfit automatically adjusted.
Patent CA-2073758-C (CA)
Title: Biological disposal of oxalates
Inventor: MORTON ROBERT A
IPC: C02F3/00
Filed: 1991-02-13
Granted: 2002-10-29
Abstract: A method and system for the biological disposal of oxalate is described in which a biological reactor (10) having an alkalo-philic oxalate-degrading aerobic micro-organism in aqueous solution is employed. The biological reactor (10) comprises a vessel (12) containing the aqueous solution and having an input (14) for receiving dissolved oxalate from dissolver tank (24). Sodium oxalate (1), as a by-product of the Bayer process in an alumina refinery, can be introduced into the dissolver tank (24) in solid form together with trace elements and nutrients (3) for biological growth. The system operates as a continuous feed process with dissolved oxalate being pumped from tank (24) into vessel (12) continuously in a controlled manner. The biological reactor (10) further comprises an aerator (18), including an oxygen probe (20) for monitoring the level of dissolved oxygen in solution. Bio-logical degradation of the sodium oxalate in a highly alkaline solution occurs in the biological reactor with sodium carbonate and bicarbonate formed as end products in the effluent. The effluent is then pumped to causticiser reaction tank (28) and settler tank (34) for converting the sodium carbonate and bicarbonate in the effluent to useful sodium hydroxide which can be recycled in the Bayer process. A novel alkalophilic oxalate-degrading aerobic micro-organism of the Bacillus species is also described.
Patent CA-2093752-C (CA)
Inventor: STUDER DAVID W
IPC: C07C51/56
Filed: 1993-04-08
Granted: 1999-06-15
Abstract: Oxygenated acetyl compounds ethylidene diacetate, acetic acid, acetic anhydride, and methyl acetate are produced directly from synthesis gas via the intermediate compound dimethyl ether.  Dimethyl ether is produced from synthesis gas in a first liquid phase reactor and the reactor effluent comprising dimethyl ether, methanol, and unreacted synthesis gas flows directly to a second liquid phase reactor containing acetic acid in which the oxygenated acetyl compounds are synthesized catalytically.   Vinyl acetate and additional acetic acid are produced by pyrolysis of ethylidene diacetate in a separate reactor system.  Synthesis gas is preferably obtained by partial oxidation of a hydrocarbon feedstock such as natural gas.  Optionally, a portion of the acetic coproduct is recycled to the partial oxidation reactor for conversion into additional synthesis gas.
Patent CA-2100102-C (CA)
Title: Olefin hydration process
Inventor: COCKMAN RUSSELL W
IPC: C07B61/00
Filed: 1993-07-08
Granted: 2004-07-06
Abstract: This invention relates to a method for the hydration of olefins to the corresponding alcohols in the presence of a catalyst system comprising phosphoric acid catalyst supported on a siliceous support.      One of the features of the invention is the use of a support which has a high crush strength, a high porosity and low metallic impurities. Using such a support, the catalyst system and the reaction conditions specified not only increase the life of the catalyst system by preventing loss of the crush strength of the support but also the improve the space-time-yield of the alcohol produced.
Patent CA-2100259-C (CA)
Title: Process for treatment of a fluid
Inventor: CAIRNS WILLIAM L
IPC: B01D15/00
Filed: 1992-01-08
Granted: 1999-07-06
Abstract: A process comprised of substantially separate kinetically-controlled steps for continuously treating a fluid comprising at least one chemical contaminant. The process comprises the steps of: (i) contacting the fluid with a particulate adsorbent material; (ii) allowing the adsorbent material to adsorb the chemical contaminant to produce a substantially purified fluid and a partially loaded contaminant-carrying adsorbent material where the extent of loading depends on the kinetic requirements of the overall process; (iii) separating the contaminant-carrying adsorbent material from the substantially purified fluid; (iv) contacting the contaminant-carrying adsorbent material with an aqueous slurry of a metal oxide powder in the presence of an electron acceptor and electromagnetic radiation in at least one of ultraviolet and visible regions; (v) allowing the contaminant to decompose to form a product which is dissociated from the contaminant-carrying adsorbent to provide a regenerated adsorbent material; (iv) separating and recycling the regenerated adsorbent material to Step (i); and (vii) recycling the aqueous slurry to Step (iv). The process may be used to remove contaminants from and thereby purify fluids such as water, off-gases from air stripping processes and chimney gases.
Patent CA-2102306-C (CA)
Title: Coarse grained polyolefin, production thereof and a procatalyst containing a transesterification product between a lower alcohol and dioctylphthalate used therefore
Inventor: GAROFF THOMAS
IPC: C08F10/00
Filed: 1992-03-23
Granted: 2003-05-27
Abstract: The invention relates to a method for preparing polyolefins. In the polymerization, a procatalyst composition is being used, which has been prepared by contacting MgCI2, a lower alcohol, a titanium compound and a phthalic acid ester. The po-lyolefin is given the adequate coarseness by using a pracatalyst of the said type, which has been prepared by carrying out a transesterification between the lower alcohol and the phthalic acid ester and by selecting dioctyl phthalate (DOP) as phthal-ic acid ester.
Patent CA-2114118-C (CA)
Inventor: NODA HIROTOSHI
IPC: F02B1/04
Filed: 1993-02-22
Granted: 2004-04-27
Abstract: A cutting machine for railroad rail wherein clamping is performed by use of a screw to fasten a catch arm (3) onto a gauge (9) which indicates a cutting position and is fastened onto a railroad rail (5); the catch frame (3) is connected to a main body block (1) via slide shafts (2,2); and a rotating grinding disk saw (30) driven by an engine (18) mounted on the main body block (1) is rocked by working a stroke handle (11) to smoothly raise and lower rotating grinding disk saw (30) within a cut opening to cut the railroad rail (5) crosswise. By varying the cut of the rotating grinding disk saw (30), frictional resistance to cutting is reduced and the generation of frictional heat is prevented, permitting use of a small-scale engine and improving the accuracy of the cut.
Patent CA-2115180-C (CA)
Inventor: GREIG WALTER G
IPC: G09F3/02
Filed: 1994-02-08
Granted: 2005-09-13
Abstract: A security label is constructed from label stock having top and bottom faces. A release coat is provided on the label stock bottom face, a non-opaque tie coat provided on the release coat, and an opaque coat of permanent pressure sensitive adhesive provided on the tie coat. The tie coat has a significantly greater affinity for the adhesive than for the release coat. Indicia, such as reverse printed alphanumeric characters, is provided on the tie coat substantially between the adhesive and the tie coat so that "void", or a similar security designation, is indicated if the label stock is removed.      A release liner may cover the permanent pressure sensitive adhesive, or paper stock having a second tie coat with repositional adhesive over the tie coat may be provided engaging the permanent pressure sensitive adhesive.
Patent CA-2117825-C (CA)
Title: Fet-based optical receiver
Inventor: WOODWARD TED KIRK
IPC: H04B10/43
Filed: 1994-10-11
Granted: 1998-12-15
Abstract: A complementary field-effect transistor (CFET) receiver apparatus and method for receiving optical signals and for generating output signals is disclosed. In particular, four input beams, two of which are unique, are utilized to turn two series-connected FETs on and off to generate the output signals.  A CFET photo-receiver according to the invention operates in push-pull fashion to conserve electrical power, and can be realized as a monolithically integrated device using FET-SEED fabrication techniques.
Patent CA-2123325-C (CA)
Title: Protection contre les inversions de phase et les hautes temperatures de refoulement pour compresseurs a spirales
Inventor: MOILANEN JOHN R
IPC: F04C28/28
Filed: 1992-11-13
Granted: 1997-11-04
Abstract: Compresseur à volutes basse pression (20) protégé contre les effets potentiellement dommageables d'une connexion électrique fautive et des hautes températures de décharge, au moyen  par la disposition d'un élément de soupape (48) dans un passage (46) communiquant entre une partie à la pression d'aspiration (38) et une partie à la pression de refoulement (36) du compresseur. La soupape (48) fonctionne de manière à permettre la circulation de gaz de la partie aspiration à la partie refoulement du compresseur, par un passage de protection, lorsque le compresseur tourne en sens inverse par suite d'une connexion fautive du câblage, de manière à éviter que des dommages soient causés aux volutes (24, 30). La soupape permet la circulation de gaz de la partie refoulement à la partie aspiration du compresseur par le passage de protection lorsque la température du gaz refoulé par le compresseur dépasse une valeur prédéterminée. Le débit qui en résulte provoque la mise hors tension du compresseur.
Patent CA-2125170-C (CA)
Title: Dental air abrasive system
Inventor: GOLDSMITH DANIEL S
IPC: A61C3/025
Filed: 1992-12-04
Granted: 1999-03-30
Abstract: Improvements are provided for a dental air abrasive system (10) of the type which utilizes a compressed gas or air (12) which creates a gas stream. Abrasive particles are introduced into the gas stream and expelled out through one end of a nozzle (24) whereupon the abrasive laden gas stream impinges upon the target, i.e. tooth amalgam, composites, stain and/or tooth dental filling materials. The improvements include the use of tow (22, 28) or more hoppers each containing different sized abrasive particles, which are selectively fed, either together or independently of each other, into the gas stream. Different sized abrasive particles are provided in each hopper for cutting different types of tooth structures. Other improvements include the use of fluorescent and/or colored abrasive particles lo facilitate the aiming process, a laser beam, strobe, white light or other illuminating means for aiming the abrasive stream and/or illuminating the target area as well as a disposable nozzle for hygienic reason.
Patent CA-2127089-C (CA)
Title: Control system for automotive vehicle headlamps and other vehicle equipment
Inventor: BECHTEL JON H
IPC: H05B37/02
Filed: 1994-06-29
Granted: 1999-12-14
Abstract: A control system is provided for controlling the energization of the headlamps on a first automotive vehicle, the headlamps being electrically energizable and each having a high beam state and a low beam state. The system includes means for collecting light emanating from a second vehicle and means for collecting ambient light. Sensing means is provided which is effective to selectively sense the intensity of the collected light emanating from the second vehicle and the collected ambient light. In addition, the system includes means controlling the state of the beams of the headlamps as a function of the sensed intensity of the beam of light emanating from said second vehicle, and means controlling the electrical energization of the headlamps as a function of the sensed ambient light.
Patent CA-2128949-C (CA)
Inventor: MOUGIN NATHALIE
IPC: A61K8/00
Filed: 1994-07-27
Granted: 1999-06-08
Abstract: L'invention concerne de nouvelles compositions cosmétiques caractérisées par le fait qu'elles comprennent, dans un support cosmétiquement acceptable, au moins un pseudo-latex à base d'un polycondensat multiséquencé dont la chaîne est constitu ée par la répétition d'au moins une séquence polysiloxane et d'au moins une séquence polyuréthane et/ou polyurée, ladite séquence polyuréthane et/ou polyurée comport ant en outre des groupements anioniques ou cationiques. Ces compositions sont utilisable notamment dans le domaine cosmétique du capilla ire, du maquillage ou des soins de la peau.
Patent CA-2130506-C (CA)
Title: Electrical connecting system
Inventor: KNAPP TODD K
IPC: H01R13/629
Filed: 1994-08-19
Granted: 2004-04-20
Abstract: A device electrically interconnects a high voltage cable to a bushing of a deadfront electrical apparatus or switchgear. The device comprises a feed-through bushing and a separate U-member. The U-member can be installed onto, or removed from, the bushings without having to disconnect the ground. A driver mechanism applies a force to the U-member at a location substantially midway between two parallel legs of the U-member for installing or removing the U-member without cocking of the legs. The U-member carries female contacts which are engageable with male contacts of the bushings.
Patent CA-2131221-C (CA)
Inventor: FRANK EDWARD H
IPC: G10L21/10
Filed: 1994-08-31
Granted: 2004-06-22
Abstract: The graphics applications of a 2-D graphics computer system provide each object to be rendered on a 2-D raster display with a pair of rendering reference coordinates (x and y), and a relative depth value (z). Additionally, the computer system is provided with a library of predetermined D images and sounds, and a number of graphics toolkit routines. As the user "moves", the graphics toolkit routines render selected ones of the predetermined images based on x/z and y/z values of recomputed x and y rendering coordinates and the relative depths value z of the objects, and actuate the sounds if applicable based on their predetermined manners of rendering. As a result, the objects that are further away from the user will move slower than the objects that are closer to the user, thereby introducing the effect of parallax and added realism to the 2-D graphics computer system at a substantially lower cost.
Patent CA-2134133-C (CA)
Title: Anonymous credit card transactions
Inventor: LOW STEVEN HWYE
IPC: G06Q20/04
Filed: 1994-10-24
Granted: 1999-07-20
Abstract: Techniques for performing credit-card transactions without disclosing the subject matter of the transaction to the institution providing the credit card. The techniques include the use of a communications exchange so that information and funds may be transferred without the destination for the transfer knowing the source of the information or funds and the use of public key encryption so that each party to the transaction and the communications exchange can read only the information the party or the exchange needs for its role in the transaction. Also disclosed are techniques for authenticating a card holder by receiving personal information from the card holder, using the information to ask the card holder one or more questions, and using the answers to authenticate the card holder.
Patent CA-2139590-C (CA)
Inventor: KOWANKO NICHOLAS
IPC: A61L24/10
Filed: 1993-07-06
Granted: 2004-06-29
Abstract: An adhesive composition primarily intended as a tissue adhesive, comprised of proteinaceous material and a di- or polyaldehyde, and methods for its use.
Patent CA-2140254-C (CA)
Inventor: PERSSON CHRISTIANE
IPC: A61K31/485
Filed: 1993-07-28
Granted: 2004-01-20
Abstract: The present invention concerns an oral morphine preparation having essentially complete bioavailability and, for the ma-jor part of the dissolution, an essentially zero order and essentially pH  independent release of morphine for a period of at least 8 hours, preferably at least 12 hours, during which period less than 100 % is dissolved. In the preparation, the morphine, in the form of an easily soluble salt, is present in combination with a buffering agent in a preparation coated with a diffusion mem-brane.
Patent CA-2143105-C (CA)
Title: Heat sink assembly for solid state devices
Inventor: TATA PETER D
IPC: H01L23/40
Filed: 1994-02-14
Granted: 1996-12-31
Abstract: A heat sink assembly (10) adapted for use with an electronic device package (24) such as a microprocessor having a grid array is shown having, in a first embodiment a threaded base (34) of a finned heat sink (28) adapted to be received in a threaded bore (26) of an adaptor (12) which mounts onto the electronic device package (24). Desired thermal coupling is achieved by screwing down the heat sink (28) in biasing engagement with the package (24). Alternate embodiments show theheat sink (28) which has a snap on flange (20, 22) to attach the heat sink (28) to the adaptor (12) and the adaptor extending down to engage with the socket (60) in which the electronic device package (24) is installed.
Patent CA-2145239-C (CA)
Title: Ashless, low phosphorus lubricant
Inventor: BARDASZ EWA A
IPC: C10M141/02
Filed: 1995-03-22
Granted: 2006-05-16
Abstract: A composition of an oil of lubricating viscosity, an antioxidant, an anti-nitration agent, and optionally a borated product of an epoxide or the reactive equivalent of an epoxide, provides a desirable lubricant for diesel or natural gas-fueled engines. The composition is substantially free from metals and preferably substantially free from phosphorus. The amount of the antioxidant the antinitration agent are sufficient to reduce the amount of varnish formation in a natural gas engine.