baber/WOPTO huggingface dataset:
Patent CA-1327588-C (CA)
Title: Leukotriene antagonists
Inventor: CARR FRANCIS P
IPC: C07C59/90
Filed: 1988-04-06
Granted: 1994-03-08
Abstract: (1) ABSTRACT            This invention provides benzene derivatives of the Formula I                                           I wherein:      R1  is hydrogen, C1-C6 alkyl, C3-C8 phenyl-substituted-(C1-C3 alkyl), phenyl, or phenyl substituted with a halo, C1-C4 alkyl, or C1-C4 alkoxy functionality; R2  is C1-C10 alkyl, C2-C6 alkenyl, benzyl or 2-phenylethyl; R3 is  hydrogen, bromo, chloro, C1-C3 alkyl, nitro, or -NRR;            Z is -O-,  -NR- , or  ; p is 0, 1 or 2; each A is a bond or a straight or branched chain C1-C10 alkylidene, C5-C10 cyclic alkylidene, or C2-C4 alkenylidene group;          Q is  -?- or -CHOH-;          Y is  -?-, -CHOH, -O-, or a bond, or -A-Q-A-Y-, when taken together with two adjacent carbon atoms of the phenyl ring to which A is attached, is  , where E is a bond, -CH2-,  -S-, or -O-; and R4 is -COR9, 5-tetrazolyl, 3-(1,2,5-thiadiazolyl), 2-thioxo-4-thiazolidinonyl, or -CN; where each R is hydrogen or C1-C3 alkyl; each R5 and R6 is independently hydrogen, C1-C3 alkyl, phenyl, or benzyl; each R7 and R8 is independently hydrogen, C1-C3 alkoxy, halo, amino, hydroxy, or C1-C3 alkyl; and R9 is hydroxy or C1-C4 alkoxy; provided that (a)  all three A groups may not be a bond at the same time; and (b)  when Y is a group other than a bond, the A      group between Q and Y may not be a bond; and pharmaceutically acceptable salts thereof.  These compounds are selective leukotriene antagonists that are useful in the treatment of conditions characterized by an excessive release of leukotrienes, as for example, asthma.
Patent CA-1296925-C (CA)
Title: Test system for caissons and piles
Inventor: BERMINGHAM PATRICK
IPC: G01M99/00
Filed: 1988-04-07
Granted: 1992-03-10
Abstract: ABSTRACT         A test system for caissons, piles and the like provides an improved way of testing the load bearing capabilities of such inground foundation elements.  The test method involves supporting an inertial mass e.g. of concrete rings on the upper end of a columnar foundation element that is installed in the ground and generating in a chamber defined between the underside of the inertial mass and the upper end of the foundation element over a limited duration a propellant gas pressure sufficient to accelerate the inertial mass upwards away from the upper end of the founda-tion element and at the same time to produce a downwards reaction force of a predetermined desired magnitude on the element.  The rate of increase of fluid pressure is controlled such that the reaction force does not damage the foundation element.  The magnitude of the downwards force and the response of the foundation element are measured by suitable instrumentation.
Patent CA-1302039-C (CA)
Title: Connector for suspension ceiling grid
Inventor: SHIREY RICHARD
IPC: E04B9/12
Filed: 1988-04-13
Granted: 1992-06-02
Abstract: CONNECTOR FOR SUSPENSION CEILING GRID     ABSTRACT OF THE DISCLOSURE     A suspension ceiling grid system having grid runners connected at  intersections including through-runner and opposed runner ends connected together and to the through-runner on opposite sides of the through-runner.   Each runner end is provided with an end connector which extends through an opening in the web of the through-runner.   Each connector is provided with a first-end-in-lock which connects the connector to the through-runner itself and a dual connector-to-connector lock which interconnects the two connectors at the intersection.  The first-end-in-lock provides opposed lateral projections which engage the remote side of the web of the through-runner beyond the ends of the opening therein.  The connec-tors may be disassembled from an intersection without the need for tools and without damage to either the connector or the through-runner opening.  Further, an intersection can be disassembled and subsequently reassembled in a trapped module condition.
Patent CA-1329116-C (CA)
Inventor: BRUEY FRANCIS J
IPC: A01N47/44
Filed: 1988-04-25
Granted: 1994-05-03
Abstract: NON-PARTICULATE, NON-FLOWABLE,  NON-REPELLANT INSECTICIDE-BAIT COMPOSITION FOR THE CONTROL OF COCKROACHES     ABSTRACT OF THE DISCLOSURE A solid, non-particulate, non-flowable, non-repellant insecticide bait composition for consumer household control of cockroaches, comprises an insecticide compound, a food attractant system, and a flowable binder, wherein said composition is more readily flowable and process able.
Patent CA-1310239-C (CA)
Title: Disposable peristaltic pump cassette system
Inventor: DEMEO DEBORAH A
IPC: A61F9/00
Filed: 1988-04-26
Granted: 1992-11-17
Abstract: DISPOSIBLE PERISTALTIC PUMP CASSETTE SYSTEM            Abstract of the Disclosure A microsurgical irrigation/aspiration system is provided, including a controller having a pump roller head, actuators for occluding tubing, a suction sensor, and means for mounting a pump cassette.  The system cassette is suitable for mounting on the controller and has an opening with a pump tubing segment passing along an arcuate wall of the opening.  When the cassette is mounted on the console, the roller head is engaged in the cassette opening and compresses the pump tubing segment against the arcuate wall.  An infusion line passes through the cassette and is occludable by one of the actuators, and a vent line connected to the pump tubing segment is occludable by a second actuator.  A suction sensing port on the cassette couples with the suction sensor in the controller.
Patent CA-1323022-C (CA)
Title: Coupling for concrete wall or floor mounting
Inventor: CORNWALL KENNETH R
IPC: F16L5/12
Filed: 1988-05-11
Granted: 1993-10-12
Abstract: ABSTRACT OF THE DISCLOSURE           An improved coupling (10) adapted to be pressed into or secured in a hole (101) in a concrete floor or wall (100) is described.  The coupling (10) is secured in place by a concrete to plastic adhesive (11) and can serve as part of the piping system of a building.
Patent CA-1327467-C (CA)
Inventor: HALLIDAY PIETER S J
IPC: F42B33/02
Filed: 1988-05-18
Granted: 1994-03-08
Abstract: ABSTRACT      A method and apparatus is provided for charging a cartridge casing with cap-sensitive, water-in-oil emulsion explosives.  A non-cap-sensitive emulsion explosive is injected through a nozzle into the cartridge while a chemical gassing solution is simultaneously added to the explosive in the nozzle.  The resulting explosive comprises a gassed cap-sensitive explosive in the casing.  The method provides for improved safety since only non-cap-sensitive compositions are subjected to large volume handling.
Patent CA-1296140-C (CA)
Title: Femoral component for a hip prosthesis
Inventor: HORI ROY Y
IPC: A61F2/30
Filed: 1988-05-20
Granted: 1992-02-25
Abstract: ABSTRACT OF THE DISCLOSURE      A  femoral  component  for  a  hip  prosthesis  includes  a proximal end shaped in an anatomic manner to form asymmetrical sides.  In particular, a lateral side forms an acute angle with an anterior side and a medial side forms an arcuate surface.
Patent CA-1333525-C (CA)
Inventor: FUKUMOTO KATSUHISA
IPC: C03C11/00
Filed: 1988-08-24
Granted: 1994-12-20
Abstract: The method for producing skin-surfaced foam glass tile comprises molding  a  material  consisting  essentially  of  a vitrifiable  mineral  and a  foaming  agent  into  a tile-like block;  coating  the  block  with  a  thin  layer  comprising a vitrifying agent for the mineral material; heating the coated block to a temperature of fusing the coated layer whereby the molten vitrifying agent permeates into the coated surface of the  block;  and  further  heating  the  coated  block  to  a temperature  of  softening the vitrifiable mineral.   In the method,  a thin layer comprising a vitrifiable mineral and a smaller amount of a foaming agent can be placed between the tile-like block and the vitrifying agent layer, followed by firing. The foam glass tile(4) has heat-insulating property and closed cell structure, and comprises a foam glass tile body(1) and a rigid  reinforcing vitrified  skin  layer(2),  the  skin  layer being integrally melt-bonded onto at least the top surface of the foam glass body(1).
Patent CA-1326172-C (CA)
Title: Power press with improved cushioning system
Inventor: SMEDBERG KENNETH L
IPC: B21J13/00
Filed: 1988-09-20
Granted: 1994-01-18
Abstract: ABSTRACT       A power press, used for forging, stamping and forming metal workpieces, provided with a cushioning system including die cushions combined with snubbers and intensifiers and counterbalances.  During the operation of a press abrupt changes in the velocity of certain moving parts of the press may damage or cause rapid wear to press, dies and workpeice. Cushioning systems in the past have utilized piston and cylinder actuators which require frequent replacement of seals and packing to prevent or limit leakage of air or oil. The present invention utilizes pneumatic bellows actuators which do not require seals.  The hydraulic snubber and snubber-intensifier are closed systems in combination with a pneumatic bellows actuated die cushion.  The snubber has a piston (814) slideable within cylinder assembly (800). During the upward stroke of the ram of the press the movable plate (50) of the die cushion is held back by the piston (814) to which it is attached through a piston rod by pressure created in the fluid above the piston so as to prevent a damaging impact on the movable die parts (26) and workpiece (22) supported by the air cushion.  The fluid is allowed to flow from the top of the piston through a fixed orifice or an adjustable flow valve (850) to return to a reservoir within the die cushion or to the bottom of the cylinder.  During the downstroke the piston causes an increase in pressure in the oil below the piston, which flows out through flow control valve (876), so as to increase the force holding the work in the die.  A programmable controller may be used to control the valves (850) and (876) to produce a desired program of piston upward motion and oil pressure below the piston during the downstroke.
Patent CA-1323273-C (CA)
Title: Angioplasty catheter
Inventor: WIJAY BANDULA
IPC: A61M29/00
Filed: 1988-09-22
Granted: 1993-10-19
Abstract: ABSTRACT                      ANGIOPLASTY CATHETER          An angioplasty catheter has an elongated body with at least one lumen extending therethrough.  A tip, constructed of materials softer than the elongated body is attached to the distal end of the body.  The tip segment has at least one lumen passing therethrough which is in alignment with the lumen in the elongated body.  A guide is adapted to pass through the aligned lumens.  A balloon is connected to the distal segment of the elongated body over its outer periphery, thereby creating a balloon cavity therebetween.  At least one additional lumen is provided in the elongated body in flow communication with the balloon cavity, for selective inflation and deflation thereof, with a contrast fluid.
Patent CA-1329167-C (CA)
Title: Dry etching of silicon carbide
Inventor: PALMOUR JOHN W
IPC: H01L21/04
Filed: 1988-10-26
Granted: 1994-05-03
Abstract: DRY ETCHING OF SILICON CARBIDE   Abstract of the Invention The invention comprises a method of etching silicon carbide targets.  In one embodiment, a reactive ion plasma is formed from a gas which is easily dissociated into its elemental species in the plasma, for which all of the dissociated elemental species are volatile in the plasma, and for which at least one of the elemental species is reactive with silicon carbide.  The silicon carbide target to be etched is positioned on one of the electrodes which is formed from a material with a low sputter yield and which material reacts with a dissociated species to thereby prevent contamination of the target with either sputtered materials from the electrode or polymerized species from the plasma.
Patent CA-1320040-C (CA)
Inventor: FIELD NATHANIEL L
IPC: B23C3/05
Filed: 1988-11-01
Granted: 1993-07-13
Abstract: Abstract of the Disclosure Valve seats are machined at the end of an axially deep, narrow cavity of a workpiece having an axially clampable surface within the cavity adjacent one or more valve seats.  The method comprehends: (a) supporting a rotary driven spindle assembly of sufficient length to extend through the axial extent of the cavity and reach the valve seat, the spindle carrying a cutting tool at its extremity, the support being in a nonrotatable housing effective to fit closely to the interior of the cavity (within a tolerance of .01 inches) and effective to move along the axis of the cavity to bring the cutting tool into machining contact with the valve seats; (b) securing a radially rigid but axially resilient diaphram to the end of the housing, the diaphram extending transversely across the interior of the cavity; (c) after inserting the housing and spindle into the cavity so that the cutting tool is proximate the valve seat but out of contact therewith, axially clamping a portion of the diaphram remote from the spindle, against the axially clampable surface; and (d) moving the rotary driven spindle assembly axially toward the valve seat to conduct machining contact of the cutting tool therewith, the axially resilient diaphram providing accurate supporting alignment for the tool under even high speed machining conditions.
Patent CA-1326803-C (CA)
Inventor: AHMED FAHIM U
IPC: C11D10/02
Filed: 1988-11-04
Granted: 1994-02-08
Abstract: THIXOTROPIC AQUEOUS LIQUID AUTOMATIC  DISHWASHING DETERGENT COMPOSITION                       ABSTRACT OF THE DISCLOSURE   Thixotropic aqueous liquid automatic dishwashing detergent composition with improved anti-filming and anti-spotting properties and method of using the detergent composition. The detergent composition comprises alumina or titanium dioxide anti-filming agent, polyacrylate polymer builder, inorganic builder salts, chlorine bleach, bleach-stable detergent and a thixotropic thickener. The compositions provide reduced filming and spotting on dishware, glassware, china and the like, particularly in hard water, and remain stable against phase separation.
Patent CA-1326793-C (CA)
Title: Process of controlling the production of water vapor in a combustion plant
Inventor: KARBACH ALFRED
IPC: F22B31/00
Filed: 1989-01-13
Granted: 1994-02-08
Abstract: The production of water vapor is controlled in a plant for combusting fine-grained and dustlike solid fuels together with air in a combustion zone of a circulating fluidized bed system. The plant comprises a heat exchanger in the upper region of the combustion zone, a water vapor accumulator, which communicates with the heat exchanger, and a water vapor feed line leading from the water vapor accumulator to a turbine. The rate at which water vapor is produced is continually calculated and is compared with the desired value which is required by the turbine and the rates at which fuel and combustion air are supplied to the combustion zone are adjusted in accordance therewith. The combustion plant may comprise a fluidized bed cooler for cooling a part of the combustion residue. That cooler may comprise a plurality of chambers provided with heat exchangers for an evaporation of feed water or for a superheating of water vapor. Any water vapor which is produced from feed water in the chambers will also be taken into account in the calculation of the total rate at which water vapor is produced in the combustion plant.
Patent CA-1321685-C (CA)
Title: Tanning agent and process
Inventor: HINLEY JOHN J
IPC: C14C3/04
Filed: 1989-01-26
Granted: 1993-08-31
Abstract: ABSTRACT OF THE DISCLOSURE                      TANNING AGENT AND PROCESS        A leather tanning agent for use as a sole tannage or with another  includes  Al  (III) ions,  Ti  (IV)  ions  and an  organic masking  agent  in  specific  proportions.  The  ratio  of  Ti:Al expressed as metal oxides Ti02:Al203 on a weight basis is from 0.6:1 to 2:1 and the amount of masking agent is from 0.1 to 0.4 mole per mole of total  metal  oxides.   Preferably SO4 ions are present.      Other metal  tanning agents  such as  zirconium salts can be incorporated.       The  tanning  agent finds wide  use  and has an increased stability.
Patent CA-1336386-C (CA)
Inventor: REED DAVID ALAN
IPC: C11D17/00
Filed: 1989-03-17
Granted: 1995-07-25
Abstract: A pourable, homogenous, abrasive aqueous detergent composition, suitable for cleaning hard surfaces contains detergent active compound which is preferably a mixture of anionic and nonionic detergent active compounds, and the water soluble salt potassium sulphate in an amount sufficient to provide undissolved particles which act as an abrasive.  The composition has an apparent viscosity which is sufficient to maintain the particles of salt in suspension during storage while ensuring that the composition remains pourable.
Patent CA-1323952-C (CA)
Inventor: ALTOUNIAN GEORGES N
IPC: C08G18/79
Filed: 1989-03-17
Granted: 1993-11-02
Abstract: ABSTRACT OF THE DISCLOSURE     A method for the manufacture of polyester polyols is disclosed. The method comprises feeding to a reactor at least one aliphatic carboxylic acid or ester thereof, at least one secondary dihydric alcohol and at least one primary trihydric alcohol, heating the resultant admixture and removing water. When at least 95% of the water has been removed, additional primary trihydric alcohol is added and heating is continued. The reactants are selected so that the range of molecular weights thereof is not more than 100. A block polyester polyol is obtained. Polyurethanes obtained from the polyester polyol tend to have more uniform and superior properties.  The polyurethanes may be used in variety of end uses.
Patent CA-1338464-C (CA)
Title: Non-positive rotary displacements machine for use as a pump, compressor, propulsor, generator or turbine
Inventor: CARROUSET PIERRE
IPC: F01D1/00
Filed: 1989-03-23
Granted: 1996-07-23
Abstract: PCT No. PCT/FR89/00119 Sec. 371 Date Sep. 10, 1990 Sec. 102(e) Date Sep. 10, 1990 PCT Filed Mar. 17, 1989 PCT Pub. No. WO89/09342 PCT Pub. Date Oct. 5, 1989.A rotary machine, having non-positive, displacement, which can be used as a pump, compressor, generator or drive turbine wherein the rotor is form by a particular combination of paddles and blades which improves fluid flow through the rotary machine. The paddle and blade configuration of the rotor utilizes the Archimedes screw principal to enhance the fluid flow characteristics and resist cavitation in the rotor chamber.
Patent CA-1316257-C (CA)
Title: Portable antenna apparatus
Inventor: KONDO HARUTO
IPC: H01Q1/12
Filed: 1989-04-05
Granted: 1993-04-13
Abstract: Abstract of the Disclosure A portable antenna apparatus comprises a foldable leg unit.  This leg unit is provided with at least three legs each having a first jack, and a mount whose angle of rotation is adjustable.  A foldable support unit, which has a plurality of beam members combined to pro-vide a substantially box-like shape, is coupled to the mount.  A foldable arm unit is coupled to the support unit.  The arm unit is provided with a reflector-mounting member having extension mechanism, an arm hinged to the reflector-mounting member, and a primary horn mount attached to the arm.  A reflector made up of a plurality of divisions is attached to the reflector-mounting member of the arm unit, and a primary horn is attached to the primary horn mount of the arm unit.
Patent CA-1279991-C (CA)
Title: Filtered environmental control system
Inventor: DEFRANCESCO GREGORY L
IPC: F25B9/00
Filed: 1989-04-28
Granted: 1991-02-12
Abstract: Abstract Filtered Environmental Control System An air-conditioning system being powered by a supply of compressed air, has an air cycle machine which incorporates a filter.  The filter receives pressurized air for filtration after said air has passed through a heater which optimizes the temperature and humidity of the air and passes through a second reheater downstream of the filter and upstream of the turbine to maximize the efficiency of the turbine.
Patent CA-1323410-C (CA)
Inventor: MURAI NOBUYOSHI
IPC: H05K13/00
Filed: 1989-06-05
Granted: 1993-10-19
Abstract: ABSTRACT OF THE DISCLOSURE     A damping support structure for preventing vibra-tions of an apparatus table supporting an apparatus for manufacturing ultra-high precision devices such as semiconductors and printed circuit boards.  The appa-ratus table is supported by a support deck suspended to be horizontally displaceable.  Linear motors are actuated in response to vibrations of the apparatus table detected by vibration sensors.  The apparatus table is thus displaceable relative to a stationary section, to be safeguarded against the vibrations.
Patent CA-1333999-C (CA)
Title: Drug and method for increasing the microcirculatory flow-rate and volume in the capillaries to the skin
Inventor: CURRI SERGIO B
IPC: A61K31/685
Filed: 1989-06-20
Granted: 1995-01-17
Abstract: A drug is described which includes a physico-chemical complex between molecules of  a phospholipid  and  an aminoketone  derivative  of  fluoroglucinol  which  is useful, particularly when administered topically in the form  of  a  liposomal  aqueous  microdispersion,  for increasing the microcirculatory flow-rate and volume in the capillaries to the skin, both in normal conditions and in peripheral vasculopathy  (primary or secondary Raynaud's disease), acrocyanosis and blocked arteries caused by arteriosclerosis, diabetes or endoangioitis obliterans.
Patent CA-1321104-C (CA)
Inventor: DE RO MICHEL
IPC: B61F3/16
Filed: 1989-06-21
Granted: 1993-08-10
Abstract: A device consisting of a deformable support equipped with at least four independent wheels (5, 55 and 45, 65) and comprising a horizontal transom (3) and two sole bars (4, 44) which pivot and can be inclined relative to the transom (3). 
<??>The two sole bars (4, 44), each provided with at least two wheels (5, 55 and 45, 65), are mounted on articulated elements (7, 47) fixed to the transom (3) on either side of the longitudinal axial vertical plane of the vehicle, such that the articulation pivots (for example 18, 38, 52, 91) of the sole bars (4, 44) have variable relative positions. This results in a compensation of the reduction in distance between sole bars (4, 44) which occurs when they pivot, and hence a constant good match between the spacing of the wheels (5, 45, 55, 65) and the width of the track.
Patent CA-1323978-C (CA)
Inventor: FISHER JAMES
IPC: H01R43/20
Filed: 1989-06-28
Granted: 1993-11-09
Abstract: INSERTING PINS INTO PRINTED CIRCUIT BOARDS     Abstract of the Disclosure Simultaneous multiple pin insertion into a printed circuit board in which the pins are held by a carrier with the pins initially having ends located within holes in the board with the pins supporting the carrier above the board. The carrier is then urged towards the board conveniently by press head operation to drive the pins through the board. Conveniently the press head also operates with a pin straightener, after pin insertion, the press head being reciprocable in two horizontal directions to perform a pin straightening operation.                             - i -
Patent CA-1297208-C (CA)
Inventor: BURNHAM ROBERT D
IPC: H01L23/373
Filed: 1989-09-29
Granted: 1992-03-10
Abstract: Abstract of the Disclosure A composite comprised of diamond particles embedded in a metal matrix is a highly satisfactory heat sink mate-rial for use with a semiconductor.