baber/WOPTO huggingface dataset:
Patent CA-2091566-A1 (CA)
Title: Pyrrolidine dione derivatives
Inventor: MYLARI BANAVARA L
IPC: C07D409/14
Filed: 1991-09-13
Abstract: This invention relates to pyrrolidine dione derivatives of formula (I), (II) or (III), wherein R, R1, R3, R4, R5 and X are as defined below. These compounds are aldose reductase inhibitors and are useful in the treatment of diabetes associated complications such as neuropathy, nephropathy, retinopathy and cataracts.  The invention also relates to compositions comprising the above compounds and methods for using those compositions in the treatment of the above diabetes associated complications.
Patent CA-2092096-A1 (CA)
Inventor: DELLANNO RONALD P
IPC: B60N2/42
Filed: 1991-09-19
Abstract: L'invention se rapporte à un dispositif qui sert à prévenir le traumatisme cranio-cervical dit ''coup du lapin'' lors d'une collision et qui comprend un élément de support (14) fixé réglable dans le siège (12) du véhicule et destiné à se déplacer vers le haut ou vers le bas par rapport au corps du passager assis dans le siège. Une membrure (16) est maintenue sur l'élément de support, à l'arrière du crâne et de la colonne cervicale du passager. Une couche de matériau de rembourrage (18) est fixée à la membrure (16), de façon à former une surface d'appui (20). La surface d'appui présente un profil qui correspond au profil postérieur du crâne et de la colonne cervicale du passager. La surface d'appui ainsi conçue sert à produire une décélération simultanée du crâne et de la colonne cervicale du passager lors d'une collision et à lui éviter ainsi un éventuel traumatisme cranio-cervical dit ''coup du lapin''
Patent CA-2093052-A1 (CA)
Title: Self priming tubing set for an infusion device
Inventor: CRASS RICHARD E
IPC: A61M5/00
Filed: 1993-03-31
Abstract: ABSTRACT    A self priming tubing set for infusing a medical solution from an infusion device to a patient includes a supply tube, an air/particle filter, and a restrictor tube. The  air/particle  filter  is  adapted  to  remove  air, particularly  air  contained  in the  supply  tube  at the initiation of fluid flow.   The air/particle filter also removes  particles  from  the  medical  solution.     The restrictor tube is adapted to reduce the pressure of the medical solution from the delivery pressure of the infusion device to about a mean venous pressure of the patient.  The length and inside diameter of the restrictor tube are calibrated to achieve a desired pressure drop dependent on design  criteria  of  the  system.    The  tubing  set  also includes a slide clamp for closing fluid flow from the supply tube and a connector for connection to a patient interface such as a hypodermic needle or cannula.
Patent CA-2094753-A1 (CA)
Title: 5,6,7,9-tetrahydro-1,2,3,-trimethoxy-9-oxobenzo[.alpha.]heptalene derivative
Inventor: AKIYAMA KIYOSHI
IPC: A61P35/00
Filed: 1993-04-23
Abstract: Abstract of the Disclosure Compounds represented by the formula                (I) wherein R1 and R2 each represent a hydrogen atom or a protective group for a hydroxyl group, or R1 and R2 combine to represent a protective group for hydroxyl groups, and R3 represents CH3O- or CH3NH-. These compounds exhibit a strong effect to inhibit proliferation of cancer cells and are expected to be used as an carcinostatic.
Patent CA-2095501-A1 (CA)
Title: Calibration cuvette
Inventor: AHMAD JAMIL
IPC: G01N1/00
Filed: 1993-05-04
Abstract: Docket No. 33496 CALIBRATION CUVETTE               ABSTRACT OF THE DISCLOSURE     The calibration cuvette apparatus for storing and calibrating a chemical sensor in a tonometered solution includes an upper cuvette section and a lower cylindrical valve section for alternately sealing the cuvette section and admitting a gas mixture to the cuvette section.  The upper cuvette section has relatively narrow diameter upper and lower ends on either side of a wide diameter middle portion.    The  cuvette  section  is  adapted to receive the sensor and retain the sensor in a fluid bath in the  cuvette  section  so  that the  chemical  sensor portion is disposed approximately in the center of the wide middle portion of the cuvette section.  The chamber formed within the cuvette section is thus shaped so as to maintain the sensor in a position in the fluid bath so that any gas bubbles within the chamber will not dry the sensor.   A lower end portion of the cuvette section includes a gas communication inlet for introducing gas into said chamber to equilibrate the tonometered buffer solution.
Patent CA-2096621-A1 (CA)
Title: Plastic Tile Corrugator
Inventor: DICKHUT HEINRICH
IPC: B29C48/13
Filed: 1993-05-19
Abstract: An apparatus for forming tubular tile, including an endless trackway having at  least two  substantially straight portions defining first and second molding sec-tions, a plurality of mold blocks supported for movement about the trackway, and a plurality of mating mold blocks supported for mating with the first mold blocks along each molding section to form a segment of a corrugated molding tunnel.  Extruders introduce moldable material at the be-ginning of each molding section, and the material is con-formed to the molding tunnel along the molding sections for forming the tile, with the mold blocks being separated when they move past the end of each molding section.  The ex-truders are mounted for movement toward the beginning of the two molding sections when initiating tile formation therein.   A plurality of mold assemblies each support a pair of mold blocks for movement about the trackway, and the mold blocks are supported thereon for pivotal movement about an axis extending substantially in the direction of movement of the mold assemblies about the trackway.  Roll-ing followers associated with each of the mold blocks and a cam surface associated with the trackway cooperate to position the mold blocks as desired throughout their move-ment.
Patent CA-2097115-A1 (CA)
Inventor: RODRIGUEZ DOMINGO
IPC: B01D53/50
Filed: 1993-05-27
Abstract: The present invention relates to an improved sorbent for use in removing effluents such as sulfur dioxide from combustion gas streams.  The sorbent comprises a hydroxide formed from an alkaline-earth based material such as lime and having incorporated therein an iron and organic compound promotion addition to enhance its ability to remove effluents from the gas stream.  The sorbent is formed by co-dissolving an iron salt and an organic compound in a hydration solution and thereafter mixing the hydration solution containing the iron salt and the organic compound with an alkaline-earth based material.  The sorbent thus produced may be injected into a gas stream in either dry or slurry form to remove the effluents.
Patent CA-2097353-A1 (CA)
Inventor: IYOTANI RYUJI
IPC: H02M1/088
Filed: 1993-05-31
Abstract: Disclosed is an electric power converter comprising a plurality of reactors, a plurality of self quenching type switching elements, the reactors and switching elements being series-connected per one arm, and surge absorbing snubber circuits connected in parallel to the switching elements respectively, the switching circuits being driven by gate drive circuits connected to respective gates of the switching elements to thereby convert a DC voltage into an AC voltage or convert an AC voltage into a DC voltage, wherein the electric power converter further comprises: means for recovering energy accumulated on at least one side of the rectors and the snubber circuits; and means for generating a first DC sourcefor supplying electric power to each of the gate drive circuits, on the basis of the recovered energy.  In the electric power converter constituted by a plurality of self quenching type semiconductor switching elements connected in series, high efficiency is attained through reduction in size of the gate driver and electric power saving.
Patent CA-2098861-A1 (CA)
Title: Calcination furnace
Inventor: OHTANI YASUO
IPC: F27B1/00
Filed: 1993-06-21
Abstract: ABSTRACT OF THE DISCLOSURE A calcination furnace capable of variably setting calcination conditions such as a size of a calcination chamber, a temperature, a temperature distribution and flowing of gas in the calcination chamber; and the like depending on calcined intermediate products.  A furnace body in which a furnace chamber is defined includes two movable sections, which are moved in predetermined directions, to thereby vary an internal volume of the furnace chamber as desired.
Patent CA-2101022-A1 (CA)
Title: 'show it' chart paper
Inventor: MOENCH KURT
IPC: B42D5/00
Filed: 1993-07-21
Abstract: 'Show It' Chart Paper Abstract Pads of chart paper are ordinarily glued together by means of a layer of adhesive material at the top of the sheets. Once detached from the pad, the sheets cannot be returned to the pad or placed on a vertical surface without applying additional adhesives or masking tape. Subsequent removal from the walls often results in the paper being torn, or the walls being damaged or left with adhesive on them.      In this invention, a pressure sensitive adhesive is applied to the back of each sheet on the top 10 cm. Sheets can be removed from the pad and placed on any flat wall surface. The sheets can be easily removed from the wall without damaging the wall or leaving any adhesive behind. In addition, sheets can then be placed on top of one another for future use or returned to the pad.
Patent CA-2103175-A1 (CA)
Inventor: PAVLINY MARK
IPC: B65H23/192
Filed: 1993-11-16
Abstract: A system and method for preventing a broken printing web from wrapping about or otherwise fouling the blanket cylinders of printing press units. The system and method includes a web tensioning device located downstream of the printing press units for maintaining tension upon a broken web and pulling the web from the printing press units. The device includes a plurality of web disturbance detectors for detecting a wave, ripple or other disturbance indicative of a web bleak. A pair of anti-wrap rollers, located above and below the web are engaged upon detection of a web break to engage the web between them to exert tension onto the web and pull it from the printing units. The anti-wrap rollers are rotated at a surface speed nominally greater than the surface speed of the printing rolls. The anti-wrap rollers include a plurality of opposed peak and valley portions which enable them to interlock and grip the web along a line of contact.
Patent CA-2105527-A1 (CA)
Title: Process for producing .beta.-carotene
Inventor: MATSUMURA SHIGEO
IPC: C12P23/00
Filed: 1993-09-03
Abstract: Abstract of the disclosure:             There  is disclosed a process  for producing .beta.-carotene which comprises (a) cultivating a micro-alga which is tolerant to an active oxygen generator and capable of producing .beta.-carotene to produce and accumulate .beta.-carotene, and (b) collecting the .beta.-carotene.  The micro-alga is preferably Chlorella Pvrenoidosa.
Patent CA-2107606-A1 (CA)
Title: Method of establishing inter-base-station synchronization and mobile radio communication system using the method
Inventor: MATSUNO KEISHI
IPC: H04J13/00
Filed: 1993-10-04
Abstract: ABSTRACT OF THE DISCLOSURE A method of establishing synchronization between radio base stations in 2 mobile radio com-munication system comprises the steps of: including, in a control signal transmitted at a predetermined time interval from each of the radio base stations, synchronization establishing information indicating whether the radio base station is in a first state in which synchronization has been established between the radio base station and any other one of the radio base stations or in a second state in which the synchro-nization has not been established as yet; determining, in a receiving radio base station, which is one of the radio base stations and has received the control signal transmitted from a transmitting radio base station, which is any other one of the base stations, and when said receiving radio base station is in the second state, whether the synchronization establishing informa-tion included in the received control signal indicates the first state or the second state; establishing, in the receiving radio base station, synchronization with the transmitting radio base station, when it is determined that the synchronization establishing infor-mation included in the received control signal indicates the first state; and setting, after establishing the synchronization with the transmitting radio base station, the synchronization establishing information included in the control signal transmitted from the receiving radio base station to indicate the first state and a mobile radio communication system using the method.
Patent CA-2113155-A1 (CA)
Title: Systematic tertiary effluent polishing
Inventor: MCGUIRE JOHN P
IPC: C02F1/76
Filed: 1994-01-10
Abstract: ABSTRACT OF THE DISCLOSURE    A tertiary treatment unit is provided that has a first filtration unit operatively connected to an influent for filtering solids therefrom to form an effluent, a second filtration unit operatively connected to the first filtration unit to receive the effluent and to filter finer solids and bacteria and viruses from the effluent, a supply tank operatively connected to the effluent to provide chemicals that are mixed into the effluent, and a reactor that receives the effluent and removes nitrogen and some phosphorous therefrom to form a treated effluent. The treatment unit further has a first adsorption unit that receives the treated effluent and adsorbs additional nitrogen, BOD, TSS and certain chemicals from the treated effluent, and a second adsorption unit that receives the partially adsorbed treated effluent from the first adsorption unit and adsorbs additional phosphorous from the treated effluent to form the final effluent. The final effluent may reduce undesirables to about 2 and about 3 parts per million biochemical oxygen demand (BOD), about 0.1 parts per millions total suspended solids (TSS), between about zero and about one part per million of nitrogen, and between about zero and about one-half of one part per million of phosphorous.
Patent CA-2114176-A1 (CA)
Title: Top drive cementing manifold
Inventor: BAILEY THOMAS F
IPC: E21B33/05
Filed: 1994-01-25
Abstract: ABSTRACT OF THE DISCLOSURE      A top  drive  cementing manifold which can  be maintained stationary as the drill string is rotated by a top drive assembly. The manifold facilitates the pumping of a cement slurry into the well and the subsequent delivery of a cementing plug.  The manifold is mounted to the well string by a pair of swivel joints which allow the continuous introduction of well fluids but allows the manifold to be held stationary as the well string is rotated,  A series of valves in the manifold and string direct the well fluids through the desired path.  Each of the swivels incorporate bearings and seals to facilitate rotation yet maintain proper fluid flow.
Patent CA-2116056-A1 (CA)
Title: Method and device for controlled motion of water in water basins
Inventor: HAEGEMAN JOHNY H
IPC: B01F3/04
Filed: 1994-02-21
Abstract: ABSTRACT            Method and device for controlled motion of water in water basins Device for aerating and/or mixing water in a basin, using a means to impart a rotational motion to the water and having guide means (57) which convert the rotational motion into a combined horizontal and vertical motion of the water.      Said guide means can be screw-shaped or plate-shaped elements of suitable shape and dimensions.            (Fig. 4)
Patent CA-2123187-A1 (CA)
Title: Excitation synchronous time encoding vocoder and method
Inventor: FETTE BRUCE A
IPC: G10L25/90
Filed: 1994-05-09
Abstract: EXCITATION SYNCHRONOUS TIME ENCODING VOCODER AND      METHOD                     Abstract of the Disclosure A method for excitation synchronous time encoding of speech signals. The method includes steps of providing an input speech signal, processing the input speech signal to characterize qualities including linear predictive coding (LPC) coefficients, epoch length and voicing and characterizing the input speech signals on a single epoch time domain basis when the input speech signals comprise voiced speech to provide a parameterized voiced excitation function. The method further includes steps of characterizing the input speech signals for at least a portion of a frame when the input speech signals comprise unvoiced speech to provide a parameterized unvoiced excitation function and encoding a composite excitation function including the parameterized unvoiced excitation function and the parameterized voiced excitation function to provide a digital output signal representing the input speech signal.
Patent CA-2123463-A1 (CA)
Title: Collapsible dust pan
Inventor: DESMARAIS ROGER
IPC: A47L13/52
Filed: 1994-05-12
Abstract: ABSTRACT There is provided a dustpan which has a rear wall which extends upwardly from a base and is angled inwardly towards the base to form an angle of less than 90° between the rear wall and the base member such that a handle attached to the dustpan near the rear wall will remain standing in an upright manner and be supported by the rear wall.
Patent CA-2125675-A1 (CA)
Title: Heterocycle-substituted benzenemethanamine derivatives
Inventor: JANSSEN MARCEL A C
IPC: C07D221/04
Filed: 1992-12-22
Abstract: The present invention is concerned with antiretroviral (e.g.  anti-HIV-1) compounds having formula (I), wherein R1 and R2 each independently are halo or methyl; R3 is hydrogen, halo, nitro or trifluoromethyl; R4 is trifuloromethyl or methylcarbonyl; or a radical -C(=X)-NR5R6 wherein X is 0 or S, and R5 and R6 each independently are hydrogen or C1-4alkyl; or a radical -Alk-R7, wherein Alk is C1-4alkanediyl; and R7 is hydrogen or hydroxy; Het is a heterocycle radical of formulae (a); (b); (c);  (d) or (e). Pharmaceutical compositions containing said compounds of formula (I) and processes of preparing said compounds and compositions.
Patent CA-2126107-A1 (CA)
Title: Self contained urinary catheter assembly
Inventor: BIGLER RAYMOND G
IPC: A61F5/44
Filed: 1992-09-11
Abstract: A self contained urinary catheter assembly (10) for use in draining the bladder through the urethra comprising a flexible receptacle (11) defining a closed chamber (20) therein; a mounting (40) on the receptacle with a catheter opening (46) therethrough to the closed chamber; and a catheter (21) carried in the closed chamber in the flexible receptacle to be selectively extended out of the chamber through the catheter opening during use and retracted after use. The catheter may be selectively released from the chamber and opening so that uncontaminated urine samples may be removed from the closed chamber.
Patent CA-2126149-A1 (CA)
Inventor: KOMATSU KATSUAKI
IPC: H01T1/00
Filed: 1994-06-17
Abstract: An  arrester  in  shape  of  tank  has  a  cylindrical grounding tank as an outer casing to be arranged vertically in which an insulating medium is enclosed. In the grounding tank,   a   non-linear   element   group   is   disposed,   the non-linear   element   group   being   formed   by   vertically stacking  a  plurality  of  non-linear  resisting  elements  in series  at  a  substantially  axially  central  portion  of  the grounding tank.  A shield having an umbrella-like shape  is disposed on a high potential side of the non-linear element group.  A shielding unit  is operatively connected to a low potential  side  of  the  umbrella-shaped  shield  through  a support member.  The  shielding unit  comprises  at  least  one shielding member having a  spherical  shape provided with a spherical surface portion facing an inner side wall of the grounding  tank.  When  two  shielding  members  are  disposed, they  are  positioned axially  symmetrically with  respect  to the  non-linear  element  group,  which  comprises  a  single column or a plurality of symmetrically arranged columns of non-linear resisting element  stacks  standing upwards  along the central axis of the grounding tank.
Patent CA-2128575-A1 (CA)
Inventor: WREEDE JOHN E
IPC: G03H1/02
Filed: 1994-07-21
Abstract: A hologram structure including a plurality of holograms having substantially identical reconstruction characteristics disposed on a substrate for rotation about a rotation axis and containing segments of a composite image. The holograms are angularly offset relative to each other about a rotation axis such that the composite image is visible over at  least one narrow solid angular region pursuant to rotation of the holograms about the rotation axis and illumination of the holograms with a reconstruction beam.
Patent CA-2131269-A1 (CA)
Title: Seat assembly for skiers
Inventor: CHAN KENTON
IPC: A47C4/00
Filed: 1994-08-31
Abstract: A kit for transforming a pair of skis and a pair of ski poles into a temporary rest structure is provided that comprises: a ski-ski connector means for connecting the pair of skis together adjacent one of their ends; and a pole-ski connector means for connecting one end of each of said pair of ski poles to its respective ski to permit the other end to engage with the ground; and a seat configuration.  The ski-ski  connector means and the pole-ski connector means combine, when assembled, to support the skis with their free ends spaced apart on the ground in an upright triangular position.  The seat configuration is connectable to the upright triangular configuration to form a temporary resting place.
Patent CA-2131841-A1 (CA)
Title: Apparatus for positioning and pressing curved surgical needles
Inventor: BOGART MICHAEL W
IPC: B21F1/00
Filed: 1994-09-12
Abstract: ABSTRACT OF THE DISCLOSURE           The present invention relates to an apparatus and method for positioning and pressing surgical needle blanks. The apparatus includes a needle blank transferring system which transfers needle blanks between a gripping position and a pressing position.  A side press system presses a portion of the needle blank when the blank is in the pressing position, and a gripping member is provided to hold the needle blank at least during the transfer and press operations of the apparatus.  The method according to the present invention includes inserting a needle blank into a needle blank gripping member at a gripping position, transferring the needle blank between the gripping position and a pressing position, and pressing a side portion of a body portion of the needle blank with pressing dies.
Patent CA-2132702-A1 (CA)
Inventor: TRONTO GREGORY S
IPC: B01D46/52
Filed: 1992-05-26
Abstract: A pleated filter cartridge for removing particles or dust from a gas stream is described. The cartridge is made of a perforated support tube, a pleated filter medium around said tube, and end caps into which the ends of the filter medium, and the tube are sealed, wherein the pleated filter medium has less than seven pleats per inch and comprises a laminate of a nonwoven or felt backing and an expanded porous polytetrafluoroethylene.
Patent CA-2133397-A1 (CA)
Title: Polyurethane deicer
Inventor: GIAMATI MICHAEL J
IPC: B64D15/12
Filed: 1994-09-30
Abstract: ABSTRACT             An improved ice protection apparatus 8 includes a top polyurethane layer 10, an active layer 12, and a base layer 14 cured together into a unitary matrix, wherein the base layer is either polyurethane or chloroprene.  The active layer may be either a thermal ice protector, a pneumatic ice protector, or an electro magnetic protection apparatus.