baber/WOPTO huggingface dataset:
Patent CA-2120199-A1 (CA)
Title: Fluoroelastomers endowed with high resistance to polar solvents and to bases
Inventor: ALBANO MARGHERITA
IPC: C08F216/14
Filed: 1994-03-29
Abstract: "FLUOROELASTOMERS ENDOWED WITH HIGH RESISTANCE TO POLAR  SOLVENTS AND TO BASES"     ABSTRACT            Fluoroelastomers comprising, by mole:          (a)  from 33 to 75% of tetrafluoroethylene (TFE);   (b)  from 15 to 45% of a perfluorovinylether (PVE);          (c)  from 10 to 22% of vinylidene fluoride (VDF).          They are endowed with high resistance to polar solvents and to  bases,   excellent   compression   set   also   at   high temperatures, low Tg and good processability.          They result particularly suitable for the manufacture of sealing  elements  (O-rings)  for  plants  intended  to  the production of methylterbutylether (MTBE).
Patent CA-2128842-A1 (CA)
Title: Wireless telephone systememploying switchboard-controlled lines
Inventor: BEASLEY ANDREW
IPC: H04J3/02
Filed: 1994-07-26
Abstract: A time division duplex wireless telephone system has a switchboard connected to a public switched telephone, network with a base station for RF modulation of outgoing telephone signals and demodulation of incoming telephone signals, telephone lines connecting the switchboard to the base station, the switchboard has line cards for interfacing said switchboard with said telephone lines. Wireless handsets receive the outgoing signals and transmit the incoming signals as off-air signals and radio signal broadcast and reception arrangement, e.g. a leaky coaxial cable or an array of RF repeaters, is connected to the base station and has a broadcast and reception zone covering a predetermined region for exchanging the off-air signals with the handsets over the predetermined reception and transmission region.
Patent CA-2131814-A1 (CA)
Title: In-line parallel proportionally partitioned by-pass metering device and method
Inventor: FENELON PAUL J
IPC: G01F5/00
Filed: 1993-03-09
Abstract: An apparatus and method are disclosed for accurately and economically measuring fluid flow within a closed conduit system. The apparatus includes a means (12) for extracting a proportional amount of the fluid flow, a flowmeter (28) reduced in size from the main conduit system for measuring the flow of the extracted proportional amount of fluid, and a means (22) for returning the extracted portion of fluid to the fluid flow. The fluid flow is extracted and returned without disrupting the fluid flow. A means for promoting the extraction of the proportional amount of fluid flow is provided within said conduit between the means for extracting and returning the fluid flow.
Patent CA-2132975-A1 (CA)
Title: Mobile ventilator capable of nesting within and docking with a hospital bed base
Inventor: REEDER RYAN ANTHONY
IPC: A61G7/015
Filed: 1993-04-14
Abstract: A hospital bed (100) supported on a wheeled base (104), and a ventilator (26) supported on a wheeled cart (18) and docked to the base, the combination capable of being rolled as a single unit. The ventilator cart (18) includes a wheeled base (20), and supports (24), for supporting the ventilator, with raising and lowering the ventilator. The bed base (104) is wheeled and has a gen-erally Y-shaped base frame (110). The outspread arms (112) of the Y-shaped frame (110) receives the ventilator cart (18). The ven-tilator when docked to the bed base falls within the footprint (126) of the bed (100). A latch (118, 120) secures the ventilator to the bed base. A disabling switch (120) disables the high/low function of the bed preventing the bed from being lowered downwardly onto the ventilator. A power supply (122) mounted to the bed base provides for uninterrupted operation the ventilator.
Patent CA-2134227-A1 (CA)
Title: Novel gabaa receptor subtypes and methods for screening drug compounds using imidazoquinoxalines and pyrrolopyrimidines to bind to gabaa receptor subtypes
Inventor: SHAW KENNETH
IPC: A61P25/28
Filed: 1993-04-30
Abstract: ABSTRACT OF THE DISCLOSURE      The present invention provides methods for screening drug compounds utilizing compounds of formulas (I and II), and the pharmaceutically acceptable salts thereof where:  R1, R2, R3, and  R4  represent  hydrogen,  halogen,  alkyl  or  alkoxy substituents; R5 is hydrogen or lower alkyl; X and Y represent hydrogen, halogen,  alkyl or alkoxy substituents;  and Z is hydrogen or fluorine.  The invention also provides tritium or iodine isotope radiolabeled compounds of the formulas (I and II) radiolabeled with tritium or isotopes of iodine.   The invention further provides novel GABAa receptor subtypes which specifically bind to compounds of formulas (I or II).   The invention also provides GABAa receptor subtypes which are bound in situ to a compound of formula (I or II).  The compounds provided herein bind selectively to a novel subtype of the GABAa binding site.  Selective interaction of ligands at this unique  receptor  population  results  in  pharmacological specificity which may lead to superior anxiolytics, cognition enhancers, anticonvulsants and sedative hypnotics.
Patent CA-2135620-A1 (CA)
Inventor: GALEL ZEV
IPC: G05B19/42
Filed: 1993-04-30
Abstract: Real time in-process data is collected to determine the contour and position of the interface between dissimilar layers of material. A control system (4) is automatically programmed, based on the determined contour and position of the interface, to automatically control the trajectory of a cutter (30) through a conventional motion control system to separate the dissimilar layers of material. The motion control system controls the cutter movement through, for example, a conventional linear motion device including a servomotor (12), lead screw (32), and slidable carriage (10) that holds the cutter (30).
Patent CA-2135665-A1 (CA)
Title: An absorbent stucture comprising a microbial polysaccharide and a process of making the same
Inventor: BLANEY CAROL A
IPC: A61F13/15
Filed: 1994-11-10
Abstract: Disclosed is an absorbent structure comprising a microbial polysaccharide having improved porosity and a process of making the same.  The absorbent structure may be adapted for use in an absorbent product such as a diaper or incontinence product.  The process involves the supercritical drying of a microbial polysaccharide to remove at least a portion of the aqueous medium in which the microbial polysaccharide is produced without unacceptably reducing the porosity of the microbial polysaccharide.
Patent CA-2136330-A1 (CA)
Title: Technetium-99m labeled peptides for thrombus imaging
Inventor: DEAN RICHARD T
IPC: C07K14/00
Filed: 1993-05-21
Abstract: This invention relates to radiolabeled reagents that are scintigraphic imaging agents for imaging sites of thrombus forma-tion in vivo, and methods for producing such reagents. Specifically, the invention relates to reagents each comprised of a specific binding compound, capable of binding to at least one component of a thrombus, covalently linked to a radiolabel-binding moie-ty. The invention provides these reagents, methods and kits for making such reagents; and methods for using such reagents lab-eled with technetium-99m to image thrombus sites in a mammalian body,
Patent CA-2139417-A1 (CA)
Title: Benzothiazepine and benzoxazepine derivatives
Inventor: NAGEL ARTHUR A
IPC: A61P1/00
Filed: 1993-04-14
Abstract: The present invention relates to novel substituted benzothiazepines and benzoxazepines of formula (1), wherein R1, R2, R7, R8, R9 and X are as defined below, and to novel intermediates used in the synthesis of such compounds. Such compounds are useful in the treatment and prevention of gastrointestinal disorders, pain and anxiety disorders.
Patent CA-2139643-A1 (CA)
Title: Method and device for cushioning limbs
Inventor: BRACKEN RONALD L
IPC: A43B7/32
Filed: 1993-07-01
Abstract: PCT No. PCT/US93/06111 Sec. 371 Date Dec. 19, 1994 Sec. 102(e) Date Dec. 19, 1994 PCT Filed Jul. 1, 1993 PCT Pub. No. WO94/01496 PCT Pub. Date Jan. 20, 1994A soft, tacky polysiloxane elastomer characterized as having: a tackiness of 10-450 grams as determined by a polyken probe tack tester or 0-10 cm (0-4 inches) as determined by a rolling ball tack tester and a tensile strength of 0.14-5.52 mega Pascals (20-800 pounds/square inch), a minimum elongation of 250-1100 percent and a tear strength of 0.88-35.2 kN/m (5-200 pound/square inch) The soft, tacky elastomer can be made into various cushioning devices, with or without a topcover. Representative cushioning devices include an arch support pad, a metatarsal pad, a heel cushion, sheet padding, a full-length insole, a three quarter length insole, a half insole, a toe-crest pad, a heel liner, an elbow pad, a corn pad, a callus pad, a blister pad, a bunion pad or a toe pad.
Patent CA-2142295-A1 (CA)
Title: Methods useful in endotoxin prophylaxis and therapy
Inventor: LEVINE DANIEL M
IPC: A61K31/685
Filed: 1993-08-09
Abstract: 2142295 9404177 PCTABScor01 Treatment and prophylaxis of endotoxin caused toxicity is disclosed. This is accomplished by administering a lipid into which the endotoxin of concern is associated preferably together with a peptide which is not an apolipoprotein. Preferably, the two components are administered in the form of a reconstituted particle, although this is by no means required.
Patent CA-2142910-A1 (CA)
Title: A method for the purification and separation of nucleic acid mixtures by chromatography
Inventor: COLPAN METIN
IPC: C07H1/08
Filed: 1994-06-24
Abstract: A method for the purification and separation of nucleic acid mixtures by chromatography comprising adsorbing the nucleic acids to be separated and purified from a solution with a high concen-tration of salts (ionic strength) and/or a high concentration of alcohol on a substrate and subsequent desorbing from said sub-strate by means of a solution with lower concentration of salts (ionic strength) characterized in that said nucleic acid mixture - is adsorbed from an aqueous adsorption solution with a high concentration of salts (ionic strength) and with 1 to 50% by volume of an aliphatic alcohol having a chain length of C1-C5 and/or polyethylene glycol (PEG) and/or hydrophobic inorganic and/or organic polymers and/or organic acid, such as trichloroacetic acid (TCA), on a porous or non-porous mineral substrate of metal oxides and/or mixed metal oxides, silica gel, materials principally consisting of glass, alumina, zeolites, titanium dioxide, zirconium diox-ide; - is optionally washed with a washing solution, and thereaf-ter - is eluted with a solution with a lower concentration of salts (ionic strength), and the nucleic acid or nucleic acid fraction obtained is collected.
Patent CA-2146434-A1 (CA)
Title: Process of making a wheel and an obtained wheel
Inventor: ANGELINI RENEE
IPC: B60B3/02
Filed: 1994-08-04
Abstract: The present patent relates to the process of constructing a wheel and obtained wheel, formed essentially by a rim (100) provided with hole for the valve (105); regions for supporting the tire and internal extreme flanges (157) and external disk (101), in which are expected: ventilation openings (102); fixing holes (103) and central holes (104); said process forming the construction of the wheel from a unique part (blank) circular (150), conformed by an adequate sequence of pressing and dressing operations that form a wheel formed by a rim (100) and a disk (101) obtained in a unique part.
Patent CA-2147270-A1 (CA)
Title: Security device
Inventor: WOOD GRAHAM
IPC: E05C19/00
Filed: 1993-10-14
Abstract: The security device is arranged to selectively permit or inhibit full opening of a closure panel (12) (such as a door, window or the like) hingeably mounted to a structure (9). The device comprises an abutment member (6) connected at hinge means (7) (either directly or by means of interconnecting elements) to a mounting element securable to the structure. The mounting hinge axis of the closure panel (12) and the hinge means (7) are spaced in a direction transverse to their axes such that as the closure panel pivots on its hinge axis (when opening) relative sliding motion occurs between the panel (12) and the abutment member (6). Stop means (20) is selectively positionable on the closure panel (12) in the path of the abutment member (6) such that at a prede-termined extend in opening the panel (12) the abutment member (6) engages the stop means (20) preventing further opening of the closure panel (12).
Patent CA-2150438-A1 (CA)
Inventor: RHEINBERGER VOLKER
IPC: A61K6/083
Filed: 1995-05-29
Abstract: Radiopaque esters or amides of iodo-substd benzoic acids of formula (I) are new. R<1> = H or 1-3C alkyl; R<2> = linear or branched 1-6C alkylene, oxyalkylene or arylene; X = O or NH; R<3>-R<7> = at least 3 iodo substits., the other gps. being H, 1-6C alkyl or alkoxy, Cl, Br, OH, NH2, -N(1-6C alkyl)2 or -NH-CO-(1-6C alkyl); n = 1, 2 or 3. Also claimed are radiopaque (meth)acrylate polymers (II) obtd. from (I), radiopaque dental materials (III) contg. (I) and/or (II), and artificial teeth, veneers, implants, crowns, bridges and inlays obtd. from (I) and/or (II) and/or (III).
Patent CA-2157861-A1 (CA)
Title: Paint resin for use in paraffinic solvents
Inventor: GINDRE ANDRE JEAN VICTOR
IPC: C09D133/04
Filed: 1995-09-08
Abstract: This invention discloses a resin which is particularly useful in making paraffinic solvent based paints, said resin being comprised of repeat units which are derived from (a) about 10 to about 55 weight percent para-tertiary-butyl styrene,  (b) 0 to about 40 weight percent vinyl aromatic monomers, (c) about 20 to about 80 weight percent alkyl methacrylate monomers, and (d) about 2 to about 25 weight percent alkyl acrylate monomers.  These resins exhibit good hardness and improved resistance to ultraviolet light. The subject invention further discloses a paint formulation which is comprised of (a) a paraffinic solvent; (b) a resin which is comprised of repeat units which are derived from (i) about 10 to about 55 weight percent para-tertiary-butyl styrene,  (ii) 0 to about 40 weight percent vinyl aromatic monomers,  (iii) about 20 to about 80 weight percent alkyl methacrylate monomers, and (iv) about 2 to about 25 weight percent alkyl acrylate monomers; and (c) one or more pigments.
Patent CA-2159058-A1 (CA)
Title: Inhibition of helicobacter
Inventor: PETSCHOW BRYON W
IPC: A61P31/04
Filed: 1995-09-25
Abstract: The present invention is directed to a method for inhibiting Helicobacter by administering C8-C16 monoglycerides of fatty acids or lauric acid. The monoglycerides and/or lauric acid are conveniently administered via a nutritional composition.
Patent CA-2159920-A1 (CA)
Title: Method and apparatus for analyzing and detecting faults in bearings and other rotating components that slip
Inventor: HERNANDEZ WALTER C
IPC: G01M13/02
Filed: 1994-04-07
Abstract: The present invention provides a method and system (12) for analyzing signals from rotating machines containing rotating components that slip and, thereby, to detect faults in those components. The signals are processed (12) by a series of steps to generate coherently averaged spectra and derived features that indicate defects in, or certain other features of, machine components that slip or rotate asynchronously.
Patent CA-2160128-A1 (CA)
Title: Urea and amide derivatives and their use in the control of cell membrane potassium channels
Inventor: OLESON SOREN-PETER
IPC: C07C277/08
Filed: 1994-03-30
Abstract: A compound having formula (I) or a pharmaceutically acceptable salt thereof, wherein X and Z each independently are NH or CH2, at least one of X and Z being NH; Y is O, S, NCN, or NH; B, D, E and F each independently are C or N, at least three of B, D, E, and F being C; and R1, R2, R3, R4, R11, R12 have the meanings set forth in the specification, pharmaceutical compositions comprising the same, and a method of treating therewith. The compounds are useful as potassium channel openers.
Patent CA-2160866-A1 (CA)
Inventor: THOMMES JAMES M
IPC: B23K9/073
Filed: 1995-10-18
Abstract: A method and apparatus for providing a welding current is disclosed.  The power source is capable of receiving any input voltage over a wide range of input voltages and includes an input rectifier that rectifies the ac input into a dc signal.  A dc voltage stage converts the dc signal to a desired dc voltage and an inverter inverts the dc signal into a second ac signal. An output transformer receives the second ac signal and provides a third ac signal that has a current magnitude suitable for welding.  The welding current may be rectified and smoothed by an output inductor and an output rectifier.  A controller provides control signals to the inverter and an auxiliary power controller that can receive a range of input voltages and provide a control power signal to the controller.
Patent CA-2162723-A1 (CA)
Inventor: LOVING GEORGE
IPC: A47C27/14
Filed: 1994-05-09
Abstract: A padding body (10) that has a flexible grid member (54) with apertures (76) formed in it. The apertures a e defined by bordering sections (80) of the grid member. The padding body includes individual modular elements (24) with each modular element being resilient and each modular element having an intermediate section (38) and an upper protuberance (34) extending upwardly off from the intermediate section. The individual modular elements have a peripheral slit or recess (44) formed in the intermediate section. Each of the individual modular elements are releasably fixed within a respective one of the apertures formed in the grid. One embodiment of the padding body includes a frame structure (12) formed entirely of foam material. The frame structure includes foam blocks (14) stacked two high. Apertures and the bordering sections of the grid member spaced about the periphery of the grid member are secured between the upper and lower stacked foam blocks so as to suspend the grid member. The height of the individual modular elements is preferably of the same elevation as the stacked foam blocks such that the grid is suspended between the border blocks either in a non-web state or during use. A plurality of transverse columns (185, 187, 189, 191, 193) of modular elements positioned longitudinally intermediate of the transverse columns is formed of a firmer polyurethane foam to provide better support in those areas of a body which need added support.
Patent CA-2164290-A1 (CA)
Title: Display system for a subscriber terminal
Inventor: BURLESON DAVID B
IPC: H04N5/45
Filed: 1994-06-06
Abstract: An on screen display system for a subscription television system includes a display processor (127) which can be preprogrammed by the control processor (128) with a plurality of display attributes including different symbol sets, color palettes, whether the screen is to comprise text, graphics, or a combination thereof, and the size and location of each screen display area. The display processor (127) includes a digital processor (302) which controls accessing of the display data from the memory and converting the data to timed digital pixels and an analog processor (300) with digital-to-analog converter (314), which produces analog pixels from the digital pixels in a timed relation to an input video signal, and multiplexer (316), which substituted the analog pixels for the pixels of the input video signal when the display processor is active.
Patent CA-2164597-A1 (CA)
Title: Communication system
Inventor: PALMER ROBERT
IPC: H04L12/56
Filed: 1994-06-07
Abstract: The present invention relates to a communication system, protocol and method designed to facilitate information transfer including user and control information from CBR (Continuous Bit Rate) and/or non-CBR signal sources. Such a system, for example, is a CSS (Customer Switching System), a LAN network, a Key System, LAN hub, PABX or PBX. A number of aspects are disclosed in this specification. These include: A) a key system and/or LAN which utilizes ATM technology for the trafficking of CBR, non-CBR, or a combination thereof, B) a round robin feature which facilitates the operation of i. above, C) a cell format which facilitates the operation of i. above, D) an open and closed system architecture for i. above, E) an ATM-TP which serves as an interface for CBR to the architecture and an ATM-HP which serves as an interface for non-CBR to the architecture, F) partial cell filling for system efficiency and/or echo control, G) a staggering feature to facilitate system efficiency, H) a channel aggregation feature to reduce the requirement for external adaptor equipment, I) a by-pass feature to enhance system reliability and serviceability. An example of CBR is voice, video and "non-bursty" data. An example of non-CBR or "bursty" data is LAN data.
Patent CA-2166146-A1 (CA)
Title: Automated system for identifying authorized system users
Inventor: WELNER STEPHEN
IPC: G06F21/34
Filed: 1995-12-27
Abstract: A   method   and   apparatus   for   identifying authorized users of a secure system.  A user of the secure system is prompted to enter a personal identification code which is  then  received  into  the  secure  system.  The personal  identification  code entered by the user is then compared   against   a   list   of   authorized   personal identification  codes.   The  user  is identified to be an authorized user of the secure system only if the  personal identification  code entered by the user is present in the list of authorized personal  identification  codes.   Each personal  identification  code  on  the list of authorized personal identification codes is arranged  in  a  personal identification  code  format  that includes a plurality of core digits and a plurality of check digits.  A  first  of the  check  digits  has  a  value that is dependent upon a first group of two or more core digits, and  a  second  of the  check  digits  has  a  value that is dependent upon a second group of two or more core digits, the  first  group of two or more core digits being different from the second group of two or more core digits.
Patent CA-2167786-A1 (CA)
Title: Trowel having imposed blade stresses and method of manufacture
Inventor: MCCOMBER LARRY J
IPC: B24C1/10
Filed: 1996-01-22
Abstract: A trowel and related method of manufacture in which residual stresses are intentionally imposed upon the bottom working surface and/or the top mounting surface of a trowel blade. Stresses can be imposed, for example, by glass bead peening, shot peening, rolling, and/or brushing the metal trowel blade. Stresses are built up to a working stess level that remains substantially constant with further use of the trowel against abrasive, spreadable surfaces. Imposed stresses on the top and bottom surfaces can also be used to vary the resulting curvature of the blade.
Patent CA-2171007-A1 (CA)
Inventor: SPIROS SPIRO ROSS
IPC: F23D14/82
Filed: 1994-09-06
Abstract: A cell arrangement for electrolysis of water to liberate hydrogen and oxygen gases is described. A cell unit (125) has a stacked arrangement of segmentation disks (114), a first type of (anode) cell plates (90), a second type of (cathode) cell plates (98) and separation membranes (116). Interconnecting conductive shafts (126-131) pass through holes (100, 102) of the cell plates (90, 98) to have selective electrical interconnection therewith. Water and electrolyte, are supplied by inlet ports (108, 110) to immerse the cell plates (90, 98). The membranes (116) normally isolate adjacent cathode and anode plates (90, 98) from the mixing of liberated oxygen and hydrogen gases whilst allowing ionic current flow. By selective adjustment of the water/electrolyte pressure differential on respective sides of the separation membranes (116), admixture of the liberated gases can be produced. The liberated gases discharge by outlet ports (104, 106).