baber/WOPTO huggingface dataset:
Patent CA-2171712-C (CA)
Title: Natamycin recovery
Inventor: OLSON PHILLIP TERRY
IPC: C12P19/62
Filed: 1994-09-16
Granted: 1999-03-16
Abstract: A process for the recovery of high purity natamycin from fermentation broth by extraction with methanol is disclosed. In one embodiment the process comprises the steps: (1) adding methanol to a natamycin feed stream comprising at least 2g/L of solid suspended natamycin to form an extraction medium, and maintaining the extraction medium at a temperature of 0-25.degree.C, preferably not over l5.degree.C; (2) adjusting the pH of the extraction medium to 1.0 to 4.5 while maintaining the temperature at 0-25.degree.C for O.5 to 30 hours, but preferably not over O.5 hour when the temperature is l5-25.degree.C; (3) removing solids from the extraction medium to form an extraction liquor; (4) raising the pH of the extraction liquor to 6.0-9.0; and (5) recovering precipitated natamycin.
Patent CA-2173378-C (CA)
Inventor: HARTMANN ACHIM
IPC: C01G1/06
Filed: 1996-04-03
Granted: 2000-06-06
Abstract: In the preparation of metal chlorides from their elements to be used as additives in processes of making titanium dioxide by the chloride process, a titanium tetrachloride stream is directed to sweep over the lined inner wall of a metal chloride generator to act as a protective film, which considerably increases the life of the generator. Furthermore, the titanium tetrachloride is further heated, which is highly desirable in the chloride process. When the titanium tetrachloride is optionally conducted in advance through ducts in the lining of the inner walls of the metal chloride generator, its temperature can be further raised.
Patent CA-2175471-C (CA)
Inventor: MATHUR RAJIV
IPC: A61K47/06
Filed: 1994-10-25
Granted: 2003-04-08
Abstract: Disclosed are lipid vesicles containing a blend of amphlphiles, including su crose distearate, in the lipid bilayers. The vesicles ma y have either an aqueous or oil-filled centrai cavity and are particularly use ful for delivering dermatological, cosmetic  and pharmec eutical formulations. A method of manufacture for these vesicles is aiso disclosed.< /SDOAB>
Patent CA-2177295-C (CA)
Title: Coating line system and method of repairing coating defect
Inventor: KOBAYASHI MIKIO
IPC: B05B15/12
Filed: 1996-05-24
Granted: 2002-08-13
Abstract: A coating line system has a main coating line including at least a main coating booth for coating a work-piece, and a coating repairing line branched from the main coating line downstream of an inspecting section for in-specting the coated workpiece for a coating defect thereof.          The coating repairing line has a coating repairing booth for repairing a coating defect of the workpiece which is caused in the main coating line, and a drying furnace disposed downstream of the coating repairing booth along the coating repairing line, for drying the workpiece which has been re-paired in the coating repairing booth.
Patent CA-2188135-C (CA)
Inventor: JAFFE NORMAN
IPC: A61L27/00
Filed: 1995-03-21
Granted: 2007-06-26
Abstract: Disclosed is a controlled au- tolysis method for making biological tissue substantially acellular by ex- posing the biological material, prior to any fixation thereof, to at least one buffered solution having a pH in the range from about 5.0 to 8.0 and a temperature in the range from about 12 .degree.C to 30 .degree.C for a suff- cent period of time to render at least one region of the biological mate- rial substantially acellular while sub- stantially preserving the structural integrity and non-cellular structural components of the biological mate- rial. Also disclosed is a method of making a bioprosthetic heart valve using biological material that has been treated by controlled autolysis and a method of treating a mammal having a defective heart valve using a bioprosthetic heart valve made, in part, by controlled autolysis.
Patent CA-2199296-C (CA)
Inventor: NEY JOHAN
IPC: C10M101/02
Filed: 1996-05-22
Granted: 2006-08-29
Abstract: Les huiles lubrifiantes multigrades décrites utiles pour lubrifier des moteurs à combustion interne contiennent des bases à faible teneur (<75 % en masse) d'hydrocarbures saturés. Ces huiles contiennent moins de 3 % en masse d'un dispersant exempt de cendres dérivé d'un polymère d'un poids moléculaire moyen numérique (<o>M</o>n) qui ne dépasse pas 5000, et un ensemble modificateur de la viscosité qui permet d'obtenir les caractéristiques viscométriques voulues et qui contient au moins un modificateur multifonctionnel de la viscosité. Ces huiles satisfont des critères stricts de performance du moteur et inhibent notamment de manière adéquate la formation d'une couche de vernis sur le moteur sans qu'il soit nécessaire d'utiliser une grande quantité de dispersants et/ou des systèmes détergents spécifiques afin d'éviter des problèmes de résistance à l'oxydation, de compatibilité et de mauvaise performance du moteur.
Patent CA-2200254-C (CA)
Inventor: SCHULZ GALYN
IPC: B31F1/07
Filed: 1997-03-18
Granted: 2003-01-28
Abstract: A method of forming a multi-ply web by embossing a first ply between a first pair of matched embossing rolls including a first embossing roll having protuberances formed in a substantially rigid outer surface and a second embossing roll having protuberances formed of a resilient material thereby forming raised portions and recessed portions in the first ply, embossing a second ply between a second pair of matched embossing rolls including a third roll having protuberances formed in an outer surface formed of a resilient material and a fourth roll having protuberances formed in a substantially rigid outer surface thereby forming raised portions and recessed portions in the second ply with the first and second pairs of matched embossing rolls being positioned such that the first embossing roll is positioned adjacent the third embossing roll forming a nip region between the respective protuberances formed in each roll. An adhesive is then applied to the web carried by the third adhesive roll with the first ply and second ply being adhered to one another in the nip region wherein the raised portions of the first and second plies are adhered to one another and the recessed portions of the first and second plies are spaced from one another.
Patent CA-2200292-C (CA)
Title: Antimicrobial filter cartridge
Inventor: PATIL ARVIND S
IPC: B01D61/04
Filed: 1997-03-18
Granted: 2002-05-21
Abstract: An antimicrobial filter cartridge having a perforated core member wrapped with a microporous membrane, which is overwrapped with a spiral wrapping of an antimicrobial agent impregnated yarn. The spiral wrapping is covered with a criss-cross wrapping of yarn. The filter cartridge is sized so as to fit tightly into a cartridge housing of a fluid filtration system. Fluid passing through the cartridge housing will be filtered by the filter cartridge to remove microorganisms from the water and which prevents the growth of microorganisms on the filter media.
Patent CA-2208832-C (CA)
Title: Connector plug for multi-component orthopedic implant
Inventor: VITALI DARIO
IPC: A61F2/00
Filed: 1997-06-25
Granted: 2005-09-27
Abstract: A plug is provided for securing two components of an orthopedic implant where at least one of the components is formed of material softer than the material of the plug.      In a preferred embodiment the components comprise concentric cups rotatable with respect to one another about an axis. The components are fixable using a plug to prevent rotation of the components with respect to each other. The invention is preferably used with an acetabular shell and liner of a hip implant wherein the shell is comprised of metal material and the liner is comprised of a polymer or other similar soft material.      The plug has a serrated head and a distal lip or anchoring edge to provide securement at more than one location along the length of the plug. The plug is insertable into a common opening defined by aligned recesses or openings of the two components of the implant.
Patent CA-2211489-C (CA)
Title: Redirection of calls to ported directory numbers in telephone networks
Inventor: GIUHAT ADRIAN
IPC: H04Q3/00
Filed: 1997-07-25
Granted: 2000-05-30
Abstract: In a telephone network having a plurality of network nodes, each having a unique network address and using out-of band signalling for call setup and routing, a method is provided for the routing of calls to a "ported" directory number which has been ported from a donor network node to a recipient network node. The method comprises the steps of (i) routing the call, using the ported directory number as the Called Party Number, from an originating network node towards the donor network node; (ii) intercepting the call at an intermediate network node between the originating network node and the donor network node, through which intermediate network node calls to the donor network node must pass; (iii) converting the ported directory number to a network address of the recipient network node; (iv) routing the call to the recipient network node using said network address; and (v) at the recipient network node, completing the call to the ported directory number.
Patent CA-2213657-C (CA)
Title: Circularly magnetized non-contact torque and power sensor and method for measuring torque and power using same
Inventor: GARSHELIS IVAN J
IPC: H01L41/12
Filed: 1996-02-23
Granted: 2001-12-11
Abstract: A torque/power sensor (2) for providing an output signal indicative of the torque applied to or the power transmitted by a rotating torqued member (8) comprises a magnetoelastically active element (4) for producing a magnetic field varying with the applied torque and a field modulating means (25) for modulating the magnetic field in a periodic manner which is indicative of the speed of member rotation. A magnetic field vector sensor (6), such as a Hall effect sensor, senses the amplitude of the modulated field for providing an output signal which is linearly indicative of the torque applied to the rotating member (8). Alternatively, a magnetic field vector sensor in the form of a coil senses the amplitude of the time rate of change of the modulated field for providing an output signal which is linearly indicative of the power transmitted by the rotating member (8). The field modulating means (25) preferably comprises at least one ring having some uniformly spaced salient features, such as a gear-like teeth around the periphery thereof.
Patent CA-2217787-C (CA)
Inventor: WOLFERSBERGER DONNA
IPC: C11D17/00
Filed: 1997-10-28
Granted: 2007-07-24
Abstract: A transparent cleansing bar having a logo or other design or message printed on a dissolvable polymer material embedded at approximately the midpoint of the bar. The message is printed on both sides of a very thin sheet of dissolvable plastic material. The bar is formed from transparent modified soap material. The printed sheet is positioned between the two halves of the bar which form the transparent bar having the printed message at the midpoint. The message is viewable through the transparent bar. Upon normal use, the surface of the bar wears away. When the bar is worn or wasted to the midpoint and the printed polymer sheet is exposed to water, the printed sheet dissolves to avoid any disposal problems. An improved method for forming the transparent cleansing bar with a dissolvable, printable film also is disclosed.
Patent CA-2218917-C (CA)
Title: Dispositif simplifie d'etancheification et d'ancrage pour un outil de puits de forage
Inventor: PRINGLE RONALD E
IPC: E21B23/01
Filed: 1996-04-16
Granted: 2001-09-04
Abstract: L'invention porte sur un élément d'étanchéité élastique (26) destiné à être fixé à un outil de puits de forage, avec un dispositif d'ancrage intégré, par exemple un coin de retenue (28). Lorsque des forces de compression sont appliquées, l'élément d'étanchéité (26) se comprime et son diamètre extérieur s'agrandit avec le coin (28) pour venir en contact d'une manière étanche avec la paroi interne d'un tubage de puits (42). La libération de l'élément d'étanchéité et d'ancrage se fait par application d'une tension à un fil métallique (22) qui traverse ledit élément longitudinalement, ce qui provoque le retrait du coin de retenue.
Patent CA-2236963-C (CA)
Inventor: KURAMOTO AKIO
IPC: H01Q1/38
Filed: 1998-05-07
Granted: 2001-05-01
Abstract: A helical antenna comprising a cylindrical dielectric member 1, four spiral conductors 2a to 2d which are wound around the outer wall of the cylindrical dielectric member 1, four spiral conductors 3a to 3d which are attached to the inner wall of the cylindrical dielectric member 1,  and power supply circuits 4, 5 for supplying high-frequency power to the spiral conductors  2a to 2d and the  spiral  conductors  3a  to  3d respectively.  That  is,  the  spiral  conductors  serving  as radiation elements are disposed at the outside and inside of the cylindrical  dielectric  member,  and  the  outer  and  inner conductors are operated as independent helical antennas. These spiral conductors are connected to the power supply circuits for supplying the high-frequency power having desired amplitude and phase.
Patent CA-2242071-C (CA)
Inventor: KATAOKA MASAHITO
IPC: F01D5/08
Filed: 1998-06-30
Granted: 2001-09-11
Abstract: In a combined cycle power generation plant in which a gas turbine high temperature portion is cooled by steam, pressure loss of the cooling steam is prevented from becoming larger and the cooling steam is recovered efficiently.         The high temperature portion of gas turbine stationary blade or moving blade is provided with a plurality of mutually independent passages which are arranged in parallel, thereby pressure loss causing portions of the cooling steam are dispersed corresponding to the number of positions of the parallel arrangement and aggregate of all the pressure losses can be reduced.
Patent CA-2243940-C (CA)
Inventor: HALLETT THOMAS A M
IPC: B23P6/00
Filed: 1998-07-28
Granted: 2002-03-26
Abstract: A method of repairing a drill pipe having first and second connector ends, each of the first and second connectors ends including a threaded portion and sealing portions, with a lathe having a chuck with longitudinally spaced first and second sets of jaws, the method comprising the steps of mounting the drill pipe in a lathe, gripping the first connector end of the drill pipe with each of the first and second sets of jaws, orienting the first connector end by manipulation of the first and second sets of jaws into a working position; and rotating the drilling pipe against a working tool to machine the threaded portion and sealing portion of the first connector end and produce a new threaded portion and sealing portion of the first connector end. A lathe with longitudinally spaced first and second sets of jaws is also disclosed. A device for positioning of subsequent workpieces without repeating alignment steps is also disclosed.
Patent CA-2252371-C (CA)
Inventor: LIN LILY LI
IPC: H05B41/392
Filed: 1998-11-03
Granted: 2006-06-06
Abstract: A discharge lamp operating circuit is connected to a source of alternating current (AC) voltage, and has a discharge lamp and a semi-resonant circuit connected to the source of alternating current voltage and in series with the lamp. A starting circuit for initiating operation of said discharge lamp is also connected in the circuit. The lamp switching maintains the series semi-resonant circuit in oscillation and the series semi-resonant circuit maintains the lamp in operation after operation has been initiated by the starting circuit. Highly efficient energy transfer between inductive and capacitive components of the system result in low loss and high power factor. A variable capacitance circuit is provided to allow use of the discharge lamp operating circuit with different line voltages, and to allow dimming.
Patent CA-2253004-C (CA)
Inventor: GOODHUE WILLIAM VELTE
IPC: B29D24/00
Filed: 1991-08-30
Granted: 2001-01-30
Abstract: A process and apparatus for making expandable honeycomb structures suitable for use as window coverings. In one embodiment, folded tubular strips with adhesive lines are fed continuously through a cutter which cuts them into predetermined lengths. The cut skips are then accelerated to a stacker for further processing before the next cut strip arrives. In another embodiment, webs of material are fed continuously in a downstream direction, adhesive lines are applied, a middle web is slitted into strips, and the strips bonded along opposite edges to the outer webs. By choosing for the outer webs transparent or porous material, and for the middle web opaque material, a light or air controlling honeycomb structure results.
Patent CA-2255971-C (CA)
Inventor: LEWIS SHAWN M
IPC: H04M11/06
Filed: 1998-12-14
Granted: 2011-02-01
Abstract: An open architecture platform bypasses data from the facilities of a telecommunications carrier, e.g. an incumbent local exchange carrier, by distinguishing between voice and data traffic, and handling voice and data traffic separately. An SS7 gateway receives and transmits SS7 signaling messages with the platform. When signaling for a call arrives, the SS7 gateway informs a control server on the platform. The control server manages the platform resources, including the SS7 gateway, tandem network access servers (NASs) and modem NASs. A tandem NAS receives the call over bearer channels. The control server determines whether the incoming call is voice traffic or data traffic, by the dialed number, and instructs the tandem NAS how to handle the call. Voiced traffic is transmitted to a switch for transmission from the platform. Data traffic is terminated at a modem NAS, where it is converted into a form suitable for a data network, such as a private data network or an Internet services provider (ISP). The converted data is sent by routers to the data network. The data network need not convert the data, as the function has already been provided by the platform. In lieu of a conversion, the modems can create a tunnel (a virtual private network) between a remote server and the data network.
Patent CA-2257956-C (CA)
Inventor: GRABHER WERNER
IPC: B65D3/12
Filed: 1997-06-18
Granted: 2006-08-15
Abstract: Une enveloppe tubulaire en carton (1, 2) est fermée de manière à former une fermeture tubulaire présentant un élément de fermeture en carton (3, 4), dont la surface de fermeture (3a, 4a) se situe sensiblement dans le plan d'obturation de l'enveloppe tubulaire (1, 2). Seule une surface de contact (2c, 4c) d'un rebord (3b, 4b) de l'élément de fermeture (3, 4) est reliée à une surface de contact (1c, 2c) de l'enveloppe. Du fait qu'on utilise uniquement un rebord (3b, 4b) de l'élément de fermeture (3, 4) sans rabattement, la jonction est simplifiée, tout en présentant une solidité suffisante. De plus, la fermeture tubulaire, alignée avec la face terminale, peut être réalisée pour des boîtes, sous la forme d'une membrane à dispersion ayant au moins un orifice de sortie (6) et éventuellement une languette de protection (5). Une boîte munie d'un tel élément de fermeture (4) peut facilement être fermée hermétiquement par un couvercle (3) pouvant se retourner sur la boîte et qui est réalisé, de préférence, également sous la forme d'une fermeture tubulaire conforme à l'invention.
Patent CA-2269309-C (CA)
Inventor: HYSLOP WILLIAM J
IPC: B08B15/00
Filed: 1999-04-14
Granted: 2008-07-22
Abstract: A connection assembly for an exhaust extraction system which is designed to vent the exhaust from a vehicle tail pipe includes, in combination, three primary components. The first component is an annular sleeve which is constructed and arranged to assemble onto the vehicle tail pipe. A band clamp is used for this connection in order to establish a leak-free interface. Next, there is a nozzle locator ring which slides onto the annular sleeve such that one end of the sleeve extends beyond one side of the nozzle locator ring and the opposite end of the sleeve extends beyond the opposite side of the nozzle locator ring. There is an offset portion intermediate the ends of the annular sleeve which serves as an abutment for the nozzle locator ring. The third major component of the connection assembly is an exhaust nozzle assembly which includes, as its primary components, a generally cylindrical nozzle constructed of a thick walled synthetic material designed for moderate flexibility and a pair of magnet packs located circumferentially 180 degrees apart. The exhaust nozzle assembly is designed to slide onto and fit up against the nozzle locator ring. Once the nozzle is securely seated, the two magnet packs are in position to contact the outer surface of the annular sleeve. Each magnet pack is designed with pole pieces which sandwich a plurality of magnets therebetween and the pole pieces are able to pivot which facilitates the assembly as well as the disassembly of the exhaust nozzle assembly relative to the nozzle locator ring.
Patent CA-2272435-C (CA)
Title: No-back brake
Inventor: BAE KWAN-HO
IPC: B64C13/34
Filed: 1999-05-19
Granted: 2006-07-25
Abstract: Cooperating brake discs, rotors, and stators all are located at the same side of a pair of cam plate flanges. The cam plate flanges are coupled to an inner sleeve and input gear, respectively, with balls and ball ramp sockets for forcing apart the cam plate flanges when an output side is driven relative to an input side. The brake is effective to prevent relative rotation of the output side relative to the input side, but is released by rotation of an input gear for driving the inner sleeve.
Patent CA-2272890-C (CA)
Title: Conjugues fluorescents non agreges et leur procede d'obtention
Inventor: ASPE DANIEL
IPC: G01N21/78
Filed: 1997-12-12
Granted: 2004-11-30
Abstract: L'invention concerne un procédé d'obtention d'un conjugué fluorescent entre une molécule porteuse possédant au moins un groupement amino, hydroxy, carboxy et/ou sulfhydryl et un réactif fluorophore possédant au moins un groupement fonctionnel susceptible de réagir avec le(s)dit(s) groupe(s) amino, hydroxy, carboxy et/ou sulfhydryl, qui consiste à mettre en présence ladite molécule porteuse et ledit réactif fluorophore avec une solution aqueuse d'un macrocycle soluble dans l'eau. L'invention concerne également les conjugués obtenus par ce procédé et leur utilisation.
Patent CA-2277895-C (CA)
Inventor: FREMY GEORGES
IPC: C07C319/24
Filed: 1999-07-19
Granted: 2005-12-06
Abstract: Une composition à base de diméthyldisulfure (DMDS) à odeur masquée selon l'invention contient en poids au moins 955 de DMDS, moins de 500 ppm de méthylmercaptan, moins de 100 ppm de diméthylsulfure et jusqu'à 1% d'au moins un agent masquant d'odeur. Cette composition est utilisable dans des applications telles que la sulfuration de catalyseurs ou en tant qu'additif de charge pour le vapocraquage.
Patent CA-2279084-C (CA)
Inventor: KEENER STEVEN G
IPC: B05D7/14
Filed: 1999-07-29
Granted: 2013-12-03
Abstract: An aluminum-alloy, aircraft structural component having a faying surface prepared by treating with one or more curable organic coatings, one or more of which is optionally in an encapsulated state, and delivering a uniform coating on demand by rupturing and curing the encapsulated coating.
Patent CA-2279648-C (CA)
Title: Haemostatic aerosol composition
Inventor: BRIESTENSKY JIRI
IPC: A61P31/00
Filed: 1998-01-30
Granted: 2007-04-24
Abstract: A haemostatically active aerosol composition comprises from 0.005 to 0,25 parts by weight of microdispersed polyanhydroglucuronic acid and/or salts thereof and from 0.75 to 0.005 parts by weight of a dispergating/propellant system. The system includes liquids which are non-polar or of low polarity with a surface tension of less than 30 mN/M and a permittivity at 10 kilohertz of less than 10. One example of such a system is isopentane and dimethylether.