baber/WOPTO huggingface dataset:
Patent CA-2169337-A1 (CA)
Title: Kaleidoscope, and pattern generating apparatus and pattern generating method utilizing the same
Inventor: SHIMOMUKAI YOSHIHITO
IPC: G02B27/00
Filed: 1996-02-12
Abstract: The present invention provides for a kaleidoscope which creates novel patterns, and a pattern generating apparatus and a pattern generating method utilizing such a kaleidoscope.  A tip-cut polygonal cone cylinder has both ends open and peripheral surfaces formed by plate members whose wall surfaces are mirror surfaces.  A film print of an object is disposed at an opening of a leading end which serves as a tip-cut surface having a small cross-sectional area, the film is irradiated from behind, and the object is viewed through an opening of a rear end of the tip-cut polygonal cone cylinder.  The tip-cut surface is an inclined surface which is inclined with respect to the longitudinal direction of the tip-cut polygonal cone cylinder.
Patent CA-2170581-A1 (CA)
Title: Process for preparing trimethylaluminum
Inventor: EISENBERG DAVID C
IPC: C07F5/06
Filed: 1996-02-28
Abstract: Trimethylaluminum is made by an alkyl exchange process by first reacting a trialkylaluminum which has at least two carbon atoms in its alkyl groups with a methyl halide, optionally in the presence of an alkyl exchange catalyst, and then fractionally tilling trimethylaluminum from the product mixture in the presence of trialkylaluminum having at least two carbon atoms in its alkyl groups so as to convert the dimethylaluminum halide by-product of the alkyl exchange reaction into trimethylaluminum
Patent CA-2171431-A1 (CA)
Title: Chiral nitriles, their preparation and their use for the manufacture of verapamil and analogues
Inventor: MCCAGUE RAYMOND
IPC: C07C255/37
Filed: 1994-09-26
Abstract: A process for preparing a substantially single enantiomer (R or S) of R'-NH- (CH2)3-C(Ar) (CN)-R, the process comprising reacting together R-CH(Ar)-CN and X-(CH2)3-A to give X-(CH2)3-CH(Ar) (CN)-R, reacting that with methylamine to give R'-NH-(CH2)3-C(Ar) (CN)-R, and resolving that into a substantially single enantiomer thereof, wherein Ar is aryl, R and R' are each independently C1-20 alkyl, X is a halo atom and A is a leaving group and the resolution is carried out using a chiral acid. The process is particularly useful for preparing verapamil, and analogues thereof, in single enantiomeric form.
Patent CA-2172545-A1 (CA)
Title: Carton folding mechanism for wraparound cartons
Inventor: PORTRAIT PASCAL
IPC: E04G7/14
Filed: 1994-09-23
Abstract: A device for use in a machine for packaging bottles in a wraparound carton which comprises folders (12) having pivotal fingers (13, 14) for engaging and folding a pair of bottle heel retention flaps (f1, f2) and to fold such flaps inwardly of the carton. The pivotal folder is adapted to execute a folding movement thereby progressively to enter an aperture in the blank to fold the flaps and to retract therefrom during feed movement of the blank. The pivotal folder includes a follower (30) to execute the folding movement and the retracting movement. The pivotal fingers pivot upon radial movement of the folder.
Patent CA-2173238-A1 (CA)
Inventor: KERSHAW DAVID
IPC: A61L15/16
Filed: 1994-09-16
Abstract: Un pansement pour blessures qui comprend de l'alginate est caractérisé en ce que l'alginate a un contenu en mannuronate de 50 à 80 %, un poids moléculaire compris entre 7000 et 40000 ainsi qu'un rapport de contenu ion monovalent : ion polyvalent de 10 à 30 : 70 à 90.
Patent CA-2178857-A1 (CA)
Title: Power Converter
Inventor: MIYAZAKI SATOSHI
IPC: H02M1/12
Filed: 1996-06-12
Abstract: A power converter including, a converter, a three-level DC voltage source composed of a series connected capacitors connected between outputs of the converter to generate a positive, a neutral and a negative potential, a three-level NPC inverter , a chopper circuit, and a chopper control circuit.  The chopper circuit includes a series circuit of a first and a second switching device connected between a positive and a negative potential pointsof the three-level DC voltage source, a first and a second diode connected in antiparallel with the first and second switching devices, respectively, and a reactor connected between a neutral potential point and a connecting point of the first and second switching devices.  The chopper control circuit includes a first and a second voltage detector for detecting a first and a second voltages between the capacitors, respectively, a voltage controller for comparing the first and second voltages and for generating a voltage control output signal so that a voltage difference becomes zero, and a control circuit for driving the first and second switching devices based on the voltage control output signal.  Whereby the fluctuation of the neutral potential of the three-level DC power source is suppressed.
Patent CA-2182611-A1 (CA)
Title: Collapsible display table
Inventor: CARTER MARK C
IPC: A47B3/12
Filed: 1995-01-30
Abstract: The collapsible display table (10) in-cludes a collapsible truss framework that supports a folding table top (14) and one or more folding utility shelves (12). The two link members in each truss pair (26) of the framework are pivotally connected together in a scissors configuration so as to be ex-tendable horizontally from a first collapsed to a second extended position. A pair of table top support arms (62) pivotally con-nected to the top of the framework on op-posite sides are provided for supporting the table top (14), and at least one pair of shelf support arms (78) is removably attachable between adjacent legs on opposite sides for supporting a lower shelf (12). The legs of the collapsible display table (10) preferably include telescoping foot extensions.  The ta-ble top (14) and lower utility shelf (12) are preferably made of a plurality of segments hingedly connected together, allowing them to be foldable. In an alternate embodiment, the truss framework includes multiple truss pairs of link members pivotally connected together in a scissors configuration.
Patent CA-2187232-A1 (CA)
Title: Ethylene .alpha.-olefin block copolymers and methods for production thereof
Inventor: COZEWITH CHARLES
IPC: C10L1/22
Filed: 1995-04-06
Abstract: This invention relates to block polymers containing both cristalline and elastomeric blocks, the block copolymer having an A block and a B block.  The A block is a polyethylene or an ethylene polymer optionally containing an alpha-olefin and is generally crystalline. The B block contains an ethylene, .alpha.-olefin copolymer segment and optionally contain an ethylene, .alpha.-olefin, non-conjugated diene terpolymer segment. If the B block contains a diene containing segment, the diene containing segment is furthest from the junction of the A and the B blocks.  Also disclosed is a process for manufacture of the block copolymers and methods for coupling the block copolymers.  Coupled block copolymers are useful as thermoplastic elastomers exhibiting physical properties approaching those of cross-linked EP or EPDM elastomers, but showing thermal processability after coupling.  The block copolymers of the present invention may also be used as a lubricant or fuel additive, as a plastics blend component, in bitumen blends, as a component in hot melt adhesives and as a component of roof sheeting compounds.
Patent CA-2187698-A1 (CA)
Title: Method and apparatus for homogenizing aerosol formulations
Inventor: DE STEFANO GEORGE
IPC: A61K9/12
Filed: 1996-10-11
Abstract: A method and apparatus for homogenizing and micronizing aerosol  formulations.    The  method  includes  the  steps  of homogenizing and micronizing an aerosol formulation at ambient temperature in a closed apparatus where the entire apparatus is maintained under elevated pressure.  The apparatus includes a closed loop containing a reaction vessel, a homogenizer and a fluid  conduit  interconnecting  the  reaction  vessel  and  the homogenizer.  The homogenizer includes an interaction chamber and an intensifier pump.  The interaction chamber includes a stream splitter  for  separating  a  stream  of  aerosol  formulation components  into  two  streams  and  an  impaction  chamber  for recombining the stream.
Patent CA-2188625-A1 (CA)
Title: Flexible tape applicator and method of operation
Inventor: WAKEFIELD TIMOTHY A
IPC: E06B3/673
Filed: 1996-10-23
Abstract: An applicator for applying a flexible tape to a planar sheet having a base, a table, a robotic arm and an applicator head. The applicator head is carried by the robotic arm and includes a cradle for receiving a spool of flexible tape. The robotic arm moves the applicator head through the Cartesian coordinate system relative to the table. A motor feeds flexible tape out from the spool, over a dancer arm through a plurality of rollers. A sensor associated with the dancer arm measures the pressure or position in a cylinder connected to the dancer arm and forwards a signal to the motor to increase the speed if the dancer arm pressure is high, and decrease the motor speed if dancer arm pressure is low. A plurality of optical sensors determine the layer of flexible tape currently being removed from the reel, and adjust the motor speed to adjust for the varying length of material removed per revolution as concentric layers of flexible tape are removed from the spool.
Patent CA-2188717-A1 (CA)
Inventor: HIPP JAMES E
IPC: E21B17/06
Filed: 1996-10-24
Abstract: A downhole oil well pulling and running tool provides a releasable tool body that can be used to release a workstring such as a coiled tubing string from a tool assembly  and to reattach  if desired.    To  reestablish circulations (the ability to pump fluid down the workstring and  up  the  annulus  of the well)  after  detachment by increasing  the  pressure  across  a  seated  ball  to  a predetermined pressure that forces the ball through the seat into a ball cage.  The cage is sized and shaped to carry a plurality of the ball valving members so that the unlatching and relatching procedure may be repeated as many times as desired until the ball cage is filled.   Also providing a delay or timing system that will allow debris to pass thru the tool without a release.
Patent CA-2191570-A1 (CA)
Title: Process for Recovering Polyhydroxyalkanoates Using Air Classification
Inventor: NODA ISAO
IPC: C12R1/05
Filed: 1995-05-25
Abstract: The present invention relates to a process for recovering polyhydroxyalkanoate from a biological source material comprising the polyhydroxyalkanoate, the process comprising: a) comminuting the biological source material; b) air classifying the biological source material such that the polyhydroxyalkanoate particles are separated from other components of the biological source material; and c) recovering the polyhydroxyalkanoate.
Patent CA-2193649-A1 (CA)
Title: Radiation imaging panel
Inventor: HUANG ZHONG
IPC: H01L27/146
Filed: 1994-07-27
Abstract: A radiation imaging system comprising a capacitive coupling radiation detector for directly converting incidence radiation to electrical charges, a storage capacitor for storing the generated charges, a read-out switch for periodically outputting the charges stored on the storage capacitor, and a reset switch for periodically re-setting the radiation detector.
Patent CA-2195568-A1 (CA)
Inventor: SLATER MARTIN
IPC: H04M3/42
Filed: 1995-07-12
Abstract: The invention provides apparatus (27, 28 and 29) for, in use, transmitting calls generated by a first communication network over a second communication network (22) to a third communication network, the first communication network operating in accordance with a first communication protocol which enables call services, the third communication network operating in accordance with a communication protocol which enables at least one of the call services enabled by the first communication protocol and the second communication network (22) operating according to a second communication protocol different to the first, which apparatus (27, 28 and 29) comprises means to determine (40) whether a call to be routed from the first communication network to the third communication network by means of the second communication network (22) requires a call service; means (40, 41) to produce a data message compatible with the second communication protocol indicative of the required service and means (41) to transmit the call and data message over the second communication network (22) to the third communication network, where the data message is read by further apparatus (27, 28 and 29) and an appropriate call service established to the third communication network. By providing means (40, 41) to produce a data message compatible with the second protocol to carry the call service information it is possible to establish a call service over a communications network (22) even though that network does not explicitly support the call service. The invention also provides a communication method.
Patent CA-2200693-A1 (CA)
Title: Gp 130 lacking the transmembrane domain
Inventor: SHARKEY ANDREW
IPC: C12N15/09
Filed: 1995-09-21
Abstract: A novel splice-variant of gp 130 is disclosed, together with DNA sequences coding for it, pharmaceutical formulations comprising it, and its use in ensuring the correct development of pre-implantation embryos.
Patent CA-2206058-A1 (CA)
Inventor: SCHMITZ CHRISTOPH JOHANN
IPC: A61F5/44
Filed: 1995-12-13
Abstract: L'invention porte sur un article absorbant (20) comportant une fixation mécanique (24) à éléments d'accrochage de type crochet (58) et un élément récepteur en boucle. L'élément récepteur (64) est fait d'une couche fibreuse (26, 91, 97) s'étendant sur une partie au moins de la toile support (20) faisant face à l'usager et dépassant du bord périphérique avant de la toile (20).
Patent CA-2206068-A1 (CA)
Title: Accelerated aerobic decomposition method and apparatus
Inventor: FUNK HARVEY D
IPC: C05F17/00
Filed: 1997-05-26
Abstract: A method for aerobic composition of organic waste material including high flow-rate aeration to provide beneficial soil amendments, fertilizers, and supplemental heat sources.
Patent CA-2206750-A1 (CA)
Title: Papermaking belt having semicontinuous pattern and paper made thereon
Inventor: TROKHAN PAUL DENNIS
IPC: D21F7/08
Filed: 1993-08-16
Abstract: A secondary belt for papermaking. The belt has a frame-work of protuberances (20) arranged in a semicontinuous pattern to provide a semicontinuous pattern of deflection conduits (40). The semicontinuous pattern is distinguished from the discrete and continuous patterns of the prior art. The protuberances may be generally parallel, or may provide individual cells within the deflection conduits between the protuberances. Also disclosed is the paper made on such a secondary belt.
Patent CA-2208736-A1 (CA)
Inventor: LAUFER MICHAEL D
IPC: A61F2/06
Filed: 1995-11-13
Abstract: La présente invention concerne un dispositif ou une prothèse et un cathéter prévu pour administrer un produit dans une veine pour traiter avec une invasion minimale l'insuffisance veineuse chronique. Le système et le procédé selon l'invention suppriment non seulement la nécessité de procédures de réfection avec une valvule chirurgicale ouverte; mais également le besoin de transplanter la veine du bras dans la jambe. Par ailleurs, le patient peut retrouver son mode de vie actif sans les limites couramment associées au traitement de ce type de trouble. Une valvule incontinente devant être refaite est identifiée en injectant un produit de contraste par le cathéter ou par un moyen similaire. Le cathéter est positionné au niveau de la valvule concernée; et un dispositif de serrage ou une prothèse similaire est déployé à partir du cathéter et fixé à la valvule. Ensuite, le cathéter est repositionné et les dispositifs ou prothèses sont déployés sur des valvules inférieures jusqu'à ce que toutes les valvules requises soient réparées et fonctionnellement continentes.
Patent CA-2208931-A1 (CA)
Title: Disinfecting process for dialysis machine
Inventor: PEDRAZZI RENATO
IPC: A61M1/16
Filed: 1997-06-17
Abstract: A procedure is claimed for disinfecting the hydraulic circuits of dialysis machines. An inlet (E) of a dialyser connects to the water supply. Lines (1, 2, 4a, 4b, 26) are reconfigured for machine operation, by connection to various consumables. During disinfection, the lines are shut off and interconnected as a closed network. The reservoir (40) connects near the inlet and contains concentrated disinfectant (I). Water and (I) are discharged into the circuit in set proportion, forming a bactericide (BC). The novelty is that when the circuit is full, influx is stopped; then the circuit is emptied. Intentionally, (I) remains in the reservoir, to which water is added, forming a second liquid, which with further water, is then admitted to the circuit as a bacteriostat (BT) which can remain there for at least 12 hours without causing corrosion. The circuit is left filled with BT.
Patent CA-2212885-A1 (CA)
Title: Method and apparatus for indicating a dosage of medicine
Inventor: TRIMBLE-GOMEZ PATRICIA LOUISE
IPC: G09F3/00
Filed: 1997-08-12
Abstract: This invention pertains to an emergency medical dosage kit adapted to facilitate indication of the administration of emergency medication. The kit comprises (a) a predetermined amount of a medicine; and (b) a drug information sheet having detachably attached thereto a strip.          The strip comprises (a) a long thin body having ends; (b) a device for forming a closed loop around the limb of a patient; and (c) a device, or region of the strip, used for indicating adminstration of a dosage of medicine. The strip is detached from the sheet of material and affixed to the limb of a patient to whom the medicine has been administered. The strip provides information to subsequent attending medical personnel as to the size, time and properties of the dosage of medicine administered. Such information ensures that subsequent attending medical personnel will be fully and accurately informed of treatment administered to the patient before the arrival of the patient into their care. In one embodiment the invention provides a method of indicating a previously-given medical dosage to subsequent attending medical personnel.
Patent CA-2213416-A1 (CA)
Title: Mechanical shut-off system for a gas turbine
Inventor: SIDIROPOULOS GEORGIOS
IPC: F01D21/06
Filed: 1995-05-31
Abstract: The invention concerns a shut-off valve member (3) which can be moved by spring force into a position in which it interrupts the fuel line to the gas turbine. The shut-off valve member (3) is held by a likewise pre-tensioned scissor-type mechanism (8) in the position in which it opens the fuel line. If a faulty gas turbine component acts on the scissor-type mechanism (8), the shut-off valve member (3) is released and moves abruptly into the position in which it interrupts the fuel supply. The gas turbine is thus switched off safely and reliably in the event of failure of a component, for example the turbine shaft.
Patent CA-2214476-A1 (CA)
Title: Modular locomotive brake control unit
Inventor: PIERCE BRETT A
IPC: B60T17/04
Filed: 1997-09-12
Abstract: A modular locomotive brake control unit having a manifold with electropneumatic modules each including electropneumatic and pneumatic elements removably mounted thereon each as a unit from the manifold. An electropneumatic equalization reservoir module controls the pressure at the equalization port. A brake pipe module controls brake pipe port pressure in response to the equalization reservoir port. An electropneumatic independent brake module controls pressure at the independent brake port as a locomotive brake signal. An electropneumatic brake signal module provides a pneumatic train brake signal. A controller controls the electropneumatic modules.        Each electropneumatic unit includes an electropneumatic supply valve and an electropneumatic exhaust valve and preferably an electropneumatic valve having a first input connected to the supply and exhaust valves. The electropneumatic modules includes a common block having a first interface with the manifold and including the electropneumatic valve as to supply and exhaust valves and includes an auxiliary block mounted to the common block having module specific pneumatic and electrical elements mounted on the auxiliary block.
Patent CA-2216515-A1 (CA)
Title: Bottle carrying arrangement
Inventor: NEGELEN EMANUEL
IPC: B65D71/22
Filed: 1997-02-12
Abstract: There is provided a paperboard device made from a blank (10) having two base panels (15, 16) for connection together, two side walls (20, 21), two top panels (22, 23), and two handle panels (24, 25) which are hingedly connected together by fold (26). The top panels (22, 23) have apertures (28) for receiving necks of bottles to be retained by the device. The top panels also have flap sections (34), one of which has a tab (35) which, in use, extends through one of the apertures (28) in the other top panel (23) and is bent up and retained there by the neck of the bottle in that aperture.
Patent CA-2220235-A1 (CA)
Title: An installation for offshore storage of hazardous waste
Inventor: GEORGII HANS
IPC: G21F5/002
Filed: 1996-05-14
Abstract: An installation for offshore storage of hazardous waste, in particular radioactive waste comprises (i) a concrete base body (11), which is transportable on the water as a floating body and adapted to rest on the seabed at a storage site, said base body being provided with interior storage spaces (S, K) for the waste and at least some of the storage spaces being arranged to be located below the water surface, and (ii) a concrete terminal body (10) which is transportable on the water as a floating body and adapted to rest on the seabed at the storage site, positioned by the side of and adjacent to the base body (11) and connected to the base body. The base body (11) and the terminal body (10) include communication ways (14) adapted to be connected to one another and to the storage spaces (S, K) of the base body, and the terminal body (10) is adapted to have facilities (15, 16) located above the water surface for receiving waste from water or air borne transportation means.
Patent CA-2220283-A1 (CA)
Title: Virtual retinal display with fiber optic point source
Inventor: TIDWELL MICHAEL R
IPC: G02B27/00
Filed: 1996-04-19
Abstract: A virtual retinal display utilizes photon generation and manipulation to create a panoramic, high resolution, color virtual image that is projected directly onto the retina of the eye. The virtual retinal display includes a source of photons, the photons being modulated with video information and scanned by a scanning system in a raster type of pattern directly onto the retina of the user's eye. A single, monofilament optical fiber (300) of very small diameter couples light from the photon generator (308, 314) to the scanning system (16) so as to provide to the scanning system a point source of light at the fiber's exit aperture (306). The photon generator may utilize coherent or non-coherent light. Further, the photon generator may utilize color light emitters so as to scan a colored virtual image directly onto the retina of the user's eye.