baber/WOPTO huggingface dataset:
Patent CA-2180019-A1 (CA)
Title: Recombinaison homologue pour cellules donneuses universelles et hotes mammaliens chimeriques
Inventor: KUCHERLAPATI RAJU
IPC: C12N15/00
Filed: 1994-12-28
Abstract: On utilise des techniques de recombinaison homologue pour inactiver des gènes, notamment des gènes associés avec des antigènes MHC. En particulier, on inactive le gène de .beta.¿2?-microglobuline afin de réduire ou d'éliminer l'expression d'antigènes fonctionnels MHC de classe I. On peut utiliser les cellules résultantes comme cellules donneuses universelles. On peut modifier, en outre, des cellules souches embryonnaires par recombinaison homologue afin de les utiliser pour produire des hôtes mammaliens chimériques ou transgéniques, qui peuvent être utilisés comme donneurs universels d'organes ou comme modèles pour des thérapies à base de médicaments ou de transplantations. On décrit également des procédés de recombinaison homologue dans des cellules somatiques mammaliennes non transformées.
Patent CA-2180763-A1 (CA)
Inventor: EID SALIM MICHEL
IPC: B60S3/06
Filed: 1996-07-09
Abstract: The invention presented in this document is a windshield cleaning device consisting in a motorized broom which allows to clear snow, or other particules, from the car without effort.   This new device is unique. It is simple and easy to use. This high quality product is also quiet and compact.   The broom consists in a light and resistant plastic frame and handle which recovers a 12 volts DC (reversible), a bearing, electrical cords and switche?, The broom itself is set on an aluminum axle which is itself connected to the electric motor's axle by two bolts crossing the bearing. The brush is made out of polypropylen. A thin cable is linked to the frame and can be plugged in the car's lighter for power. The switches offer choices of direction and speed.   The motorized broom does not require physical efforts from its user and is harmless for the car's exterior (windows, mirrors, etc.)
Patent CA-2183474-A1 (CA)
Title: Non Collapsing Pre-Assembled Flexible Duct Connector
Inventor: FELSON RAYMOND MURRAY
IPC: F24F13/02
Filed: 1996-08-16
Abstract: A  pre-assembled  flexible  duct  connector  used   in  air distribution  systems  incorporates  a  structural  means  for minimizing the collapse inward of the fabric portion, which forms an integral part of the connector, when a cut length of this  metal-to-fabric-to-metal  connector  is  formed into  a circular collar and is then installed between a duct and the circular inlet of an axial  flow fan or blower where,  upon activation  of  the  equipment,  the  collar  is  subjected  to considerable negative air pressure.
Patent CA-2186745-A1 (CA)
Inventor: KIKUCHI HIROSHI
IPC: A61K9/127
Filed: 1995-03-27
Abstract: The present invention provides  preparations capable of efficiently holding water soluble substance particularly non-electrolytic water soluble substances.     Liposomes and suspensions thereof comprising multilamellar liposomes characterized in that the liposome membrane is formed from a neutral phospholipid comprising a substantially saturated fatty acid residue a charged phospholipid comprising a substantially saturated fatty acid residue, ratio of said neutral phospholipid and charged phospholipid is 200:1 to 3:1, weighted average particle size of the liposome is 50 nm to 3,000 nm, and an encapsulation capacity of the liposome (internal aqueous phase (volume)/lipids (weight)) is at least 5 ml/g.     The present liposome preparation can encapsulate an aqueous so1ution of a non-electrolytic water soluble substances with an encapsulation capacity (internal aqueous phase/lipids) of at least 5 ml/g.
Patent CA-2188928-A1 (CA)
Title: Electrostatic discharge protection device
Inventor: CRONIN DAVID V
IPC: H01R24/46
Filed: 1995-04-26
Abstract: An electrostatic discharge protection device that fits within a connector for high frequency cables having a tubular ground conductor surrounding one or more core conductors.  The electrostatic discharge protection device creates a shunt across the one or more core conductors and the ground conductor thus electrically grounding any electrostatic discharge on the one or more core conductors. Upon joining of a complementary receptor to the connector, the electrostatic discharge protection device automatically withdraws the shunt reestablishing electrical isolation among the one or more core conductors and the ground conductor.
Patent CA-2189312-A1 (CA)
Title: Method of locating electronic price labels in transaction establishments
Inventor: GOODWIN JOHN C III
IPC: G06Q30/02
Filed: 1996-10-31
Abstract: A method of locating an electronic price label in a transaction establishment which relies on known location information from other electronic price labels.  The method includes the steps of receiving a message from the electronic price label, determining a first approximate location of the electronic price label from characteristics of the return message, selecting other electronic price labels in proximity with the approximate location, receiving messages from a number of the other electronic price labels whose locations are known, determining which of the number of the other electronic price labels is closest to the electronic price label from characteristics of the messages from the number of the other electronic price labels, and determining a second approximate location of the electronic price label based on the location of the closest electronic price label.
Patent CA-2189802-A1 (CA)
Title: Color picture tube having a tensioned mask and compliant support frame assembly
Inventor: NOSKER RICHARD WILLIAM
IPC: H01J31/20
Filed: 1996-11-07
Abstract: The present invention provides an improvement in a color picture tube having a tensioned mask and support frame assembly. Each of the mask and the support frame is rectangular and has two long sides that parallel a central major axis thereof and two short sides that parallel a central minor axis thereof. The mask has a substantially cylindrical contour, being curved along the major axis and straight along the minor axis. The improvement comprises the frame including two first members that parallel the major axis and two second members, attached to the ends of the first members, that parallel the minor axis. Each of the first members includes a rigid section and a compliant section cantilevered from the rigid section. The mask is attached to the distal ends of the cantilevered compliant sections.
Patent CA-2189926-A1 (CA)
Inventor: HASEGAWA KOHEI
IPC: C22C21/08
Filed: 1996-11-08
Abstract: An aluminum alloy sheet contains: 2 to 3 wt.% Mg, 0.3 to 0.6 wt.% Cu, 0.08 to 0.15 wt.% Si, 0.005 to 0.15 wt.% Ti, 0.0002 to 0.05 wt.% B, 0.3 wt.% or less Fe as an inevitable impurity, and the balance essentially Al. A manufacturing method comprises the steps of: carrying out at least one homogenization treatment of the ingot at a temperature of from 400 to 580°C; hot-rolling and cold-rolling the ingot to produce a cold-rolled sheet; carrying out at least one heat treatment of the cold-rolled sheet; holding the heat treated cold-rolled sheet at a temperature of from 60 to 150°C for 1 to 48 hours.
Patent CA-2192690-A1 (CA)
Inventor: PUCKETTE THOMAS ALLEN
IPC: B01J31/28
Filed: 1995-06-05
Abstract: L'invention concerne un procédé d'hydrogénation catalytique homogène d'époxyalcènes et d'époxycycloalcènes, en particulier d'époxyalcènes .gamma.,.delta. et d'époxycycloalcènes .gamma.,.delta. conjugués pour obtenir les époxyalcanes et les époxycycloalcanes correspondants en utilisant une solution de catalyse aux complexes de rhodium, en vertue duquel l'insaturation oléfinique est hydrogénée sans hydrogénolyse significative du groupe époxy conjugué.
Patent CA-2193061-A1 (CA)
Inventor: SMITS GEORGES
IPC: A23L1/00
Filed: 1995-07-07
Abstract: The present invention concerns a new fractionated polydisperse carbohydrate composition having the following definition: an av. DP which is significantly higher than the av. DP of a native polydisperse carbohydrate composition, significantly free of low molecular monomers, dimers, and oligomers, significantly free of impurities chosen among the group consisting of colourings, salts, proteins and organic acids, significantly free of technological aids such as solubility affecting products. The present invention concerns also the preparation process of the composition according to the invention.
Patent CA-2195794-A1 (CA)
Title: Device for measuring the permeability of rock fragments
Inventor: MARSALA ALBERTO
IPC: C08J5/00
Filed: 1997-01-22
Abstract: The present invention relates to a device used for the direct measurement of the permeability of rock fragments coming directly from the drilling of an oil well and commonly called cuttings, consisting of a hollow cylindrical body (c) that presents an inlet hole for the fluid (i), a thread for closing it (h) and a hydraulic seal (g) in which is placed the sample holder disk (d) which rests on the seal (g) and is overlapped by a porous sintered steel septum (e) on which a closing plug (f) is situated with an outlet hole for the fluid (i') and the same is also provided with a thread (h') to enable it to close on the body (c).      The device can be used to obtain, directly on site, the measurement of permeability along the whole length of an oil well.
Patent CA-2196651-A1 (CA)
Title: Low-voltage electromagnetic riveter
Inventor: ARNTSON PAUL R
IPC: H01G9/28
Filed: 1997-02-03
Abstract: A low-voltage electromagnetic riveter (LVEMR) including two opposed rivet guns (70, 72) for upsetting rivets during the assembly of structural parts is disclosed. Variable capacitor banks (64, 65 or 64', 65') are discharged to provide a variable current pulse which flows through a driver coil (131) and a mass-mounted coil (135) of each rivet gun (70, 72). Preferably, the mating faces of the coils are contoured to assist in the alignment of the coils. The driver coils are affixed to the ends of drivers (125) that drive rivet dies (121) into the ends of a rivet (75) to be upset.  The LVEMR is controlled such that the net magnetic forces generated between the two pairs of coils actuate the rivet guns (70, 72) so that one end of the rivet is impacted slightly before the other end. The delay is controlled by a delay generator (44). Further, rapid-acting ground fault detection circuits (52 and 53) cause a power shutdown and capacitor bank discharge in the event of a ground fault.  Excessive capacitor bank voltage or rivet gun temperatures also can cause a power shutdown and capacitor bank discharge.
Patent CA-2196937-A1 (CA)
Inventor: BREWER W CRAIG
IPC: B30B15/06
Filed: 1997-02-06
Abstract: The invention relates to a mechanical press having a very precise shutheight control system.  The press includes a bed connected to a frame with a slide connected with the frame for reciprocating motion opposing the bed.  The slide and bed together define a shutheight of said press.  A drive mechanism is attached to the frame for driving the reciprocating slide, the drive mechanism includes a drive piston and a tie rod.  The shutheight control system includes a chamber located between the drive piston and tie rod with a pressurizing mechanism in communication with the chamber for selectively pressurizing the chamber with a predetermined pressure.  The pressurizing mechanism causes the tie rod to one of expand and contract to thereby control press shutheight.
Patent CA-2197037-A1 (CA)
Inventor: OTTO BERND
IPC: C12P21/02
Filed: 1997-02-07
Abstract: The invention relates to a method of manufacturing soluble recombinant proteins from bacteria, in which the plasmid contains the entire gene behind a promoter, this plasmid being expressed and the protein obtained being isolated and purified, in which the cell culture is raised to an OD 600 nm of 0.4 to 0.6; the cell culture is cooled over a period of 15 to 40 minutes to 20 to 26°C; synthesis is induced by addition of 10 to 55 µM of an inductor; and the induction phase is carried out at a temperature of 20 to 26°C over a period of 3.5 to 6.5 hours.
Patent CA-2197428-A1 (CA)
Title: Superconducting cyclotron and target for use in the production of heavy isotopes
Inventor: FINLAN MARTIN
IPC: H05H13/00
Filed: 1995-08-18
Abstract: A superconducting cyclotron (1) has four superconducting magnetic coils (2, 3, 4, 5) surrounding a chamber (10). Within the chamber upper and lower sets of soft iron pole pieces (11, 12) are positioned to provide an accelerating particle beam space (13) therebetween. The pole pieces (11, 12) interact with the magnetic field generated by the superconducting coils (2, 3, 4, 5). Cavity resonators (14, 15, 16, 17) are also located within the chamber (10) to generate an RF oscillating voltage across the beam space (13). A linear accelerator (30) is provided axially aligned with the magnetic field of the superconducting magnetic coils to pre-accelarate the ionised particles before the ionised particles are injected into the beam space (13). In this way much higher beam currents may be obtained. A target which may be used to produce heavy isotopes utilising the higher beam currents generated by the cyclotron relies substantially upon radiative cooling during isotope production.
Patent CA-2197775-A1 (CA)
Title: Metal polyoxyalkylated precursor solutions in an octane solvent and method of making the same
Inventor: SCOTT MICHAEL C
IPC: H01L27/04
Filed: 1995-08-15
Abstract: A liquid precursor solution for use according to a method of manufacturing metal oxide electronic components (10) includes a polyoxyalkylated metal complex dispersed in an alkane solvent. The alkane solvent is preferably n-octane.
Patent CA-2198092-A1 (CA)
Title: Transdermal therapeutic system with protection against hydrolysis
Inventor: FRANKE HANSHERMANN
IPC: A61K9/70
Filed: 1995-08-12
Abstract: A transdermal therapeutic system (TTS) comprising an active substance which is sensitive to hydrolysis, and having a layer-like structure comprising a backing layer impermeable to moisture and active substance, a matrix comprising the active substance, and optionally a protective layer covering the matrix is characterised in that the matrix contains a water-binding component.
Patent CA-2200158-A1 (CA)
Title: Method of Repairing Shed Portion of Composite Insulator
Inventor: TANI TAKAO
IPC: H02G1/00
Filed: 1997-03-17
Abstract: A disclosed method of repairing a shed portion of a composite insulator having a core portion, a sheath portion arranged on an outer surface of the core portion, and a plurality of shed portions projected from the sheath portion, includes the steps of, (1) cutting out the shed portion having defects from a portion thereof adjacent to the sheath portion, and connecting a new shed portion having the same shape as that of the cut out shed portion to the sheath portion at the cut out portion, or (2) cutting out partly said shed portion having defects, and connecting a repairing member to said cut out portion.  Therefore, it is possible to perform the shed portion repairing operation without wasting the normal shed portions.
Patent CA-2200943-A1 (CA)
Title: Method for wrap-around labeling of containers
Inventor: SCHWINN GEORG
IPC: B65C9/00
Filed: 1997-03-25
Abstract: The invention relates to a method for attaching wrap-around labels to cylindrical or prismatic containers starting with cutting of a section of a label from a suitable foil material. Then, the label section is shaped or deformed, maximally to the limit of what is reversible for the material being used, at a time immediately prior to the application of the label section onto the exterior of the container. The undulated label section is placed around the exterior of the container so that the edges of the label are overlapping and an adhesion or gluing process is initiated, for example, by reaction and/or heating. Reforming of the shaped or deformed label section is retarded until the label section rests against the exterior of the container along with the permitting the simultaneous progress of the adhesive process to be completed. By proper selection of material and with sufficient deforming of the label section, reforming of the deformed label section is also completed simultaneously with or shortly after the adhesive process is completed.
Patent CA-2205601-A1 (CA)
Title: Non-quadrate linerless label construction, methods of use and application and apparatus
Inventor: BOREALI JEFFREY J
IPC: B65H35/10
Filed: 1995-11-03
Abstract: A label assembly (10) indicates a string of plurality of non-quadrate (e.g., circular) linerless labels (11) disposed in-line with at least one tie (12) about .018-.030 inches in width connecting consecutive labels (119) in the string together. Each label (11) has a first face (13) with adhesive release material and a second face (14) with pressure sensitive adhesive. The string may be in roll form and taken off the roll (15) and run through a burster (33) for bursting the ties (12) between the labels (11). The lables (11) may initially also be tied to a matrix (17) from which the string labels are continuously seperated. The burster (33) may include high and low speed rolls (34, 35; 19, 20) with a non-stick surface (37) between them and a bursting blade (36) above the non-stick surface. Downstream of the high speed rolls is a sensor (38) and a mechanism for applying the seperated linerless labels (11) to a surface, such as a reciprocating plunger (42), air blast nozzles (56, 57), a vacuum cylinder (55), or a conveyer belt (50, 53).
Patent CA-2206703-A1 (CA)
Inventor: SCHMIDT VOLKMAR
IPC: A61C5/77
Filed: 1995-12-04
Abstract: L'invention concerne un procédé de fabrication "sur mesure" d'articles prothétiques dentaires et un procédé de soins dentaires au moyen desdits articles. On prend tout d'abord une empreinte de la mâchoire à soigner, à l'état initial, avec prise d'occlusion et réalisation d'un modèle de planification de grande précision, puis on meule les dents à soigner sur le modèle de planification. L'état du modèle préparé ainsi obtenu est stocké en mémoire de façon appropriée par balayage optique et/ou mécanique de la configuration géométrique prédéterminée. Ensuite, on réalise, de façon connue en soi, un article dentaire. Le meulage et la préparation des dents sont réalisés dans la mâchoire à soigner sur la base des données mises en mémoire de l'état du modèle de planification. Ce meulage est effectué au moyen d'un dispositif de fraisage ou de meulage à commande numérique, fixé dans ou sur la cavité buccale du patient. Aussitôt après polissage, l'article prothétique dentaire peut être posé et cimenté.
Patent CA-2207980-A1 (CA)
Title: Deformable structure
Inventor: TATIN MICHEL
IPC: E04B1/19
Filed: 1995-12-12
Abstract: A structure comprising at least three bars (10, 20, 30) joined together in pairs (10, 20; 20, 30; 30, 10) by a flexible linkage (112, 123, 131), the linkages being interconnected by a common ring-shaped member (40) through which they extend. Each bar (10, 20, 30) comprises channels (11-14, 21-24, 31-34) for the linkages (112, 123, 131).
Patent CA-2209559-A1 (CA)
Inventor: DREISINGER DAVID
IPC: C22B3/42
Filed: 1997-07-03
Abstract: A process for treatment of precious metal ores in which gold is leached from an oxidized ore slurry using a thiosulfate salt lixiviant and copper catalyst.  Gold and copper are subsequently loaded onto an ion exchange resin.  Copper is recovered from the resin by elution with a thiosulfate solution; gold is recovered from the resin by elution with a thiocyanate colution.  Gold is recovered from the eluate by precipitation, electrowinning, or cementation.
Patent CA-2212965-A1 (CA)
Title: Universal hub assembly
Inventor: BERSCHEID CLINT
IPC: B60B27/00
Filed: 1997-08-13
Abstract: A hub that has universal application for use with a rotatable body, such a packer wheel for seed planting, includes a flange which abuts a side wallof the body, a non-circular or polygonal boss that projects laterally from an inner side of the flange, and a bore that extends through the hub along the rotation axis.  The non-circular shape of the boss prevents relative rotation between thehub and the body.  The bore is generally cylindrical to receive a cylindrical shaft but it is also provided with generally V-shaped corners cut into the bore surface so that the bore can receive a rectangular shaft to which the hub is thereby locked for rotation therewith.  The end face of the boss is provided with a projecting pin diametrically opposed from a similarly shaped recess such that the pin and recess of one hub can mate with the recess and hub respectively of another hub to achieve an aligned hub assembly for mounting a wide rotating body.
Patent CA-2213426-A1 (CA)
Title: Circuit arrangement for operating electrical incandescent bulbs
Inventor: KIERMEIER THEODOR
IPC: H05B39/04
Filed: 1997-08-18
Abstract: A circuit arrangement for operating electrical incandescent bulbs, particularly low-volt halogen incandescent bulbs, comprises an inverter in the half-bridge circuit and an overload detector circuit, which comprises a current-voltage transformer, e.g., a resistance (R4), which is serially connected between first half-bridge capacitor (C3) and ground potential.      The current-voltage transformer controls a signal-conditioning and cutoff circuit (R5-R7, C4, C5, D4, T3), which disconnects the inverter at least temporarily in the case of overload or short circuit.      Preferably, current-voltage transformer (R4) of the overload detector circuit is a component of a frequency adaptation circuit (L1, R4), which opposes a decrease in the frequency of the inverter in the upper power connection range. This variant is particularly cost-favorable, since in this case, no additional component is required for detector circuit (R4).
Patent CA-2214756-A1 (CA)
Title: Hand brake chain and sheave arrangement
Inventor: COSLOVI ILARIO
IPC: B61H13/02
Filed: 1997-09-05
Abstract: The invention enables conventional railroad car handbrakes to be used with railroad cars having increased gross rail loads by providing a chain and sheave arrangement for multiplying the braking force of the conventional railroad car handbrake. The arrangement includes a chain with one end attached to the handbra ke and the other end fixedly attached to the railroad car. A floating sheave wheel is mounted on the chain for movement towards and away from the handbrake, the sheav e wheel being provided with a trolley support from which another chain extend towa rds the braking mechanism. In this manner, the force on the braking mechanism can be doubled.
Patent CA-2214845-A1 (CA)
Title: Film-forming pharmaceutical composition for transdermic delivery
Inventor: SAUNAL HENRY
IPC: A61K31/551
Filed: 1996-03-29
Abstract: A pharmaceutical composition for transdermal delivery including (a) optionally a polymeric release matrix capable of forming a flexible film when dried, said matrix being selected from cellulose polymers or copolymers and vinylpyrrolidone/vinyl acetate copolymers, (b) an active principle, (c) a transcutaneous absorption promoter for the active principle, and (d) a physiologically acceptable non-aqueous solvent capable of dissolving the release matrix, the active principle and the transcutaneous absorption promoter, and quickly removing same by evaporation on contact with the skin.
Patent CA-2215411-A1 (CA)
Title: Biological testing microscope
Inventor: QING XU
IPC: G02B21/00
Filed: 1997-09-15
Abstract: A portable testing device for examining biological samples in one embodiment comprises a support and a tubular member having a lens holder adjacent one end thereof rotatably mounted on the support. A light source is moveable axially within the tubular member between an on position where the light source is illuminated and an off position. A biological sample support surface is provided adjacent the lens holder on which a biological sample to be examined is placed. A lens through which a user can look to examine a biological sample placed on the biological sample support surface is removably supported by the lens holder.  The light source and tubular member carry co-operating formations which are configured such that the light source moves axially within the tubular member upon rotation of the tubular member. In another embodiment the light source is stationary and is responsive to a light-sensitive circuit.