baber/WOPTO huggingface dataset:
Patent CA-2098825-A1 (CA)
Title: Electro-optical device having variable light transmission
Inventor: GRUPP JOACHIM
IPC: A61F9/06
Filed: 1992-10-31
Abstract: ABSTRACT      The invention relates to a variable transparency electro-optical device comprising:     -   at least one lens formed by an electro-optical cell (4) comprising a first plate (6) and a second plate (8) each provided with a control electrode (14, 16) and a sealing frame (10) interposed between the two plates to form a sealed volume enclosing an electro-optical material (12), -   voltage generating means (18) connected to said electrodes to apply a variable voltage to said material in order to automatically or manually vary the transmission of the cell  (4)  as a function of the ambient light. According to the invention the cell (4) comprises at least one element  (6)  charged with a photochromic substance having an absorption that varies in reversible manner as a function of the intensity of the light impinging on said cell.     The invention has particular applications in devices for protecting the eyes.   Figure 2
Patent CA-2103448-A1 (CA)
Title: Process for the transformation of vanadium/phosphorus mixed oxide catalyst precursors into active catalysts for the production of maleic anhydride
Inventor: EBNER JERRY R
IPC: B01J/
Filed: 1992-06-03
Abstract: Vanadium/phosphorus mixed oxide catalysts comprising vanadyl pyrophosphate, optionally containing a promoter component, are transformed from vanadium/phosphorus mixed oxide catalyst precursors comprising vanadyl hydrogen phosphate, optionally containing a promoter component, by subjecting the catalyst precursors to elevated temperatures in three stages: (a) an initial heat-up stage in an atmosphere selected from the group consisting of air, steam, an inert gas, and mixtures thereof, (b) a rapid heat-up stage at a programmed heat-up rate in a molecular oxygen/steam-containing atmosphere, and (c) a maintenance/finishing stage, first in a molecular oxygen/steam-containing atmosphere, and thereafter in a nonoxidizing, steam-containing atmosphere. Such catalysts are useful for the production of maleic anhydride via the partial oxidation of nonaromatic hydrocarbons, particularly n-butane, in the vapor phase with molecular oxygen or a molecular oxygen-containing gas.
Patent CA-2107957-A1 (CA)
Title: Two component water reducible chemical resistant coating
Inventor: BEST KURT E
IPC: C08G18/08
Filed: 1993-10-07
Abstract: TWO COMPONENT WATER REDUCIBLE CHEMICAL RESISTANT COATING          ABSTRACT OF THE DISCLOSURE    A two-component chemical resistant, water-reducible coating composition characterized by a VOC level of less than 240 g/l which is the reaction product of (a) an aqueous dispersion of a hydroxy functional polyurethane with an average functionality if at least 1 and a total urethane plus urea group content of from about 9 to about 20% by weight and (b) an aliphatic isocyanate that has been modified by reaction with an amount of monofunctional polyether sufficient to make the isocyanate dispersible in water formed when (a) and (b) are reacted in amounts such that the NCO/OH ratio is from about 0.8:1 to about 10:1.
Patent CA-2110531-A1 (CA)
Title: Slide surface construction formed of aggregate of fe crystals having face-centered cubic structure
Inventor: GUNJI TAKAHIRO
IPC: F16C33/12
Filed: 1993-12-02
Abstract: A slide surface construction is formed of an aggregate of Fe crystals having a body-centered cubic structure. The aggregate includes {222} oriented Fe crystals with their {222} planes by Miller indices oriented toward a slide surface. The content S of the {222} oriented Fe crystals is in a range represented by S ~ 20%, preferably in a range represented by S ~ 40%. The {222} oriented Fe crystals form a trigonal pyramid shape on the slide surface, which provides good oil retention for the slide surface construction. Thus, the slide surface construction exhibits an excellent seizure resistance.
Patent CA-2110966-A1 (CA)
Inventor: CHARTIER ALBERT JR
IPC: G08B5/00
Filed: 1993-12-08
Abstract: Lorsqu'une remorque ou un camion est stationné au quai de chargement, il est très important de s'assurer que les roues soient calées, Pour l'empêcher d'avancer. Lorsque vous y entrez avec un chariot élévateur. Présentement il est très difficile de s'assurer que les roues soient bien calées. Le but de mon invention est d'avertir l'opérateur du chariot élévateur si les roues du véhicule dans lequel il entre sont calées ou non.
Patent CA-2111748-A1 (CA)
Title: Anti-ant bowl
Inventor: WU OTTO
IPC: A01M29/34
Filed: 1993-12-17
Abstract: An anti-ant bowl includes a bowl body defined by an inner circumferential side wall formed on a bottom to define a food containing space.   An outer circumferential side wall is mounted to  the  lower edge  of and surrounding the  inner circumferential side wall to define a circumferential groove surrounding the food containing space for filling therein water to prevent ants from getting into the food containing space.   The outer side wall has an outer surface which in inclined to diverge toward the top side of the bowl.
Patent CA-2113112-A1 (CA)
Inventor: MILLER DAVID F
IPC: A61F5/04
Filed: 1992-07-15
Abstract: A  spinal fixation system comprises an elongated fixation plate (13) having an elongated slot (21) with a number of concave depressions (28, 25) formed at the top and bottom surfaces (19, 17) of the plate.  The system further includes a pedicle screw (40) and a nut (32) for load transmission between a vertebra and the plate.  The pedicle screw includes a threaded nut engaging portion (42), a threaded bone engaging portion (44) and an intermediate portion (46) therebetween which has rigid upper and lower arcu-ate surfaces (47) that are complementary to the concave depressions in the plate.  The nut also includes a rigid lower arcuate sur-face (36) which is complementary to the upper concave depressions of the plate.  In one assembled  configuration the plate is clamped between the upper arcuate surface of the pedicle screw and the nut.  In an alternative embodiment of the pedicle screw (70), the intermediate portion has an upper and lower arcuate surface (79, 77) of different spherical radii of curvature.
Patent CA-2113207-A1 (CA)
Title: New and improved backing for carpets and the like
Inventor: DEVLIN PATRICK
IPC: D06M101/00
Filed: 1992-07-03
Abstract: A fabric backing which may be used in manufacturing tufted carpets, which is comprised of woven silica fibres impregnated with a stabilising amount of acrylic resin which can be penetrated by needles during tufting and retain its dimensional stability.
Patent CA-2113509-A1 (CA)
Title: Process of manufacturing shaped articles of flexible polyurethane integral foam
Inventor: SCHLUNG ARMIN
IPC: C08J9/14
Filed: 1994-01-14
Abstract: ABSTRACT               In a process of manufacturing shaped articles of flexible PUR integral foam, which is foamed in a mold, which process comprises the polyaddition of a polyol and an isocyanate in the presence of water, the formation of a closed tough skin on the shaped article without a use of CFHC is ensured in that 40 to 60% by volume air, 0.05 to 2.5% by weight water and 0.25 to 2.0% by weight of at least one of the hydrocarbons having 1 to 6 carbon atoms are in-corporated in the polyol.
Patent CA-2114685-A1 (CA)
Title: Electrochemical measuring system with multizone sensors and the application thereof to the quantitative analysis of glucose
Inventor: SAURER ERIC
IPC: B01L3/00
Filed: 1994-02-01
Abstract: ABSTRACT      An electrochemical measuring system composed of a measuring apparatus  (50)  having an electronic circuit (60),  a  connecting  device  (64),  a  positioning  and advancing device (56, 57) and an eliminating device (59, 53),  said apparatus being adapted to receive a small sensor device (40) with active, successively disposable measuring multizones (34).     The invention has applications in the quantitative analysis of glucose in the blood.
Patent CA-2118583-A1 (CA)
Title: Printing Plate Magazine for a Printing Machine and Printing Plate Exchange Process
Inventor: BEISEL HERMANN
IPC: B41F27/12
Filed: 1992-09-07
Abstract: PCT No. PCT/EP92/02056 Sec. 371 Date May 12, 1994 Sec. 102(e) Date May 12, 1994 PCT Filed Sep. 7, 1992 PCT Pub. No. WO93/04863 PCT Pub. Date Mar. 18, 1993.A device in the form a magazine is disclosed for carrying away used printing plates from the plate cylinder of a printing machine. The device applies in particular to the automatic exchange of printing plates. The device has an arrangement for carrying away the plates with (first) holders for each printing plate capable of being activated. The (first) holders are arranged on a (first) carriage that can be moved along a (first) guide substantially over the whole length of the device, inside the magazine.
Patent CA-2119018-A1 (CA)
Title: Improvements relating to the placement of pipes in the ground
Inventor: WOOD ERIC
IPC: F16L55/165
Filed: 1992-10-14
Abstract: The invention provides that an underground through borehole (28) is formed with a reaming tool (24). It is filled with a viscous fluid and as soon as possible after being so filled, a flexible lining tube (32) is inserted into the borehole (28) to keep the surface from collapsing until a rigid service pipe (12) has been pulled or pushed into the borehole.
Patent CA-2120324-A1 (CA)
Title: Double lens electric shield
Inventor: REUBER DOUGLAS A
IPC: H05B3/84
Filed: 1994-03-30
Abstract: Known protective helmets used for motorcycle riding, flying and snowmobiling employ transparent visors that have heating elements to reduce and attempt to eliminate the build-up of ice, condensation and fog. A double-lensed face shield is provided with a pair of electrodes formed on an inner face lens, in the air pocket formed between the inner face lens and the outer weather lens. Substantially across one entire surface of the inner face lens is formed an electroconductive film. An upper electrode extends from a first end along an upper margin of the inner face lens on the film to a second end. On the opposite lower margin extends on the film a lower electrode from a first end to a second end. An insulated contact passes from one side of the inner lens to the other and connects the first end of the lower electrode with a conductor which extends on the opposite side of the inner lens towards the first end of the upper electrode. Power supplied across the first end of the upper electrode and the tail end of the conductor will result in electrical flow across the film inhibiting fog, ice and frost.      Also provided is an assembly to permit the installation of face shields on helmets of different sizes and with openings of different configurations.
Patent CA-2121264-A1 (CA)
Inventor: CHANG WEN-HSUAN
IPC: C08L71/02
Filed: 1992-09-17
Abstract: New organic silanes are claimed carrying at least one water-solubilizing moiety and at least one hydrophobic group suit-able for preparing stable solutions or dispersions containing in excess of about five weight percent of such silanes.
Patent CA-2121883-A1 (CA)
Title: Process for treating wood
Inventor: GERHARDINGER DIETER
IPC: B27K3/50
Filed: 1994-04-21
Abstract: PROCESS FOR IMPREGNATING WOOD                 Abstract of the Disclosure A process for impregnating wood and wood products wherein the wood is treated with a composition comprising;     (A)  a salt of an organic or inorganic acid and an organopolysi-loxane which contains SiC-bonded radicals with basic nitrogen in amounts of at least 0.5% by weight of basic nitrogen, based on the weight of this organopolysiloxane, (B)  a water-repellent active compound which is not solid at 20°C under 1020 hPa, with the proviso that the water-repellent active compound can also be an organosilicon compound which is solid at 20°C under 1020 hPa and dissolves under these conditions to the extent of more than 50 parts by weight in 100 parts by weight of (A), if appropriate mixed with an organosilicon compound containing basic nitrogen in amounts of 0% to 0.5% by weight, based on the weight of this organosilicon compound, and/or silicic acid esters, and.     (c)  water.          Wood and wood products treated with the composition described above exhibit substantially reduced water absorption.
Patent CA-2132387-A1 (CA)
Title: Surgical instrument for expanding body tissue
Inventor: TOVEY H JONATHAN
IPC: A61B17/32
Filed: 1994-09-19
Abstract: A surgical instrument for performing procedures such as carpal tunnel release. The instrument consists of an elongated member having a spring or cam plate positioned therein. The spring or cam plate is movable from a retracted position within the elongated member to an extended position protruding through an aperture in the elongated member. Movement of the spring or cam plate to the extended position stretches a flexible membrane positioned over at least a portion of the elongated member to stretch the carpal tunnel ligament.
Patent CA-2132480-A1 (CA)
Title: Mixtures of fiber-reactive dyes and use thereof for dyeing fiber materials
Inventor: RUSS WERNER H
IPC: D06P3/66
Filed: 1994-09-20
Abstract: Abstract Mixtures of  fiber-reactive dyes and use  thereof  for dyeing fiber materials Novel dye mixture comprising three to seven fiber-react-ive dyes selected from dyes of the below-indicated and -defined formulae (1) to (7) with the proviso that the dye mixture contain at least one representative of the formulae (1) and/or (2), at least one representative of the formulae (3) and/or (4) and at least one representat-ive of the formulae (5) and/or (6) and/or (7):                                               (1)   (3)         (5)
Patent CA-2136343-A1 (CA)
Title: Process for fabricating intrinsic layer and applications
Inventor: NATHAN MENACHEM
IPC: H01L31/111
Filed: 1993-05-20
Abstract: A method of forming a gallium arsenide p-i-n structure, which includes heating to dissolve gallium arsenide in a solvent such as bismuth or gallium to form a saturated solution of gallium arsenide in the solvent (22), contacting the solution with a gaseous mixture, which mixture includes hydrogen, water vapor and products of reactions between the hydrogen and the water vapor with the solvent and with silicon dioxide, to form a contacted solution, coating a suitably selected substrate (14), such as a group III-V  compound such as gallium arsenide, with the contacted solution, cooling the coated substrate to precipitate gallium arsenide from the contacted solution onto the substrate, and removing the substrate coated with a layer of gallium arsenide having a p-i-n structure which constitutes the product.
Patent CA-2138293-A1 (CA)
Title: Electrical connector
Inventor: HOPF GUSTAV
IPC: H01R43/16
Filed: 1993-12-09
Abstract: For an electrical connector with a socket contact, formed by means of a sleeve body with attachment means for the connecting leads, for the displaceable reception of a contact pin, where a segmented cage, which can rest pressingly against the pin contact, is housed in the sleeve body so as to be fixed axially in position, the segmented cage (8) is formed by means of a cylindrically rolled flat sheet metal blank (9), whose longitudinal outer strips (10) are connected together by means of a number of ribs (11), which extend side by side separated from each other, the chamfered contact tabs (13), which are opposite one another at the longitudinal outer strips (10), project into the free spaces (12) between the ribs (11), whereby a first segment (13') of said contact tab curves in the direction of the central longitudinal axis of the segmented cage (8) and whereby a second segment (13"), formed by means of the free ends, is bent back and is shorter than half the length of the segmented cage (8), in order to ensure a reliable and effective contact.
Patent CA-2142170-A1 (CA)
Title: Combustion of sulphur
Inventor: LINNERSUND ULF
IPC: F02M25/10
Filed: 1995-02-09
Abstract: The present invention relates to the use of elementary sulphur as a fuel in internal combustion engines, for the production of energy and SO2.
Patent CA-2144518-A1 (CA)
Title: Process for preparing 5,8-dihydronaphtoquinone derivatives, novel 5,8-dihydronaphtoquinone derivatives and their use as anticancer agent
Inventor: BAIK KYONG UP
IPC: A61K31/122
Filed: 1994-07-13
Abstract: The present invention relates to a process for preparing 5,8-dihydronaphtoquinone derivatives represented by general formula (T) in which R1 represents alkyl or alkenyl, R2 represents hydrogen, alkyl or a group -C(O)R wherein R represents alkyl, alkenyl, aryl, aralkyl or aralkenyl, which can be substituted or unsubstituted with one or more halogen atom(s), and R3 represents hydrogen or alkyl,characterized in that (A) a compound having general formula (II) in which R1, R2 and R3 are defined as previously described and R4 represents alkyl, is oxidized with cerium(IV) ammonium nitrate in a suitable solvent, or (B) a compound having general formula (Ia) in which R1 and R2 are defined as previously described and R3a represents alkyl, is dealkylated to prepare a compound having general formula (Ib) in which R1 and R2 are defined as previously described, or (C) a compound having general formula (Ic) in which R1 and R3 are defined as previously described, is reacted with a compound of formula RCOOH wherein R is defined as previously described, in the presence of an organic base and dicyclohexylcarbodiimide to prepare a compound having general formula (Id) in which R1, R3 and R are defined as previously described. In addition, the present invention relates to a novel 5,8-dihydronaphtoquinone derivative of formula (I) wherein when R2a is hydrogen or a group -C(O)R and R3 is hydrogen, R1 is other than 3-methyl-2-butenyi; and when R2a and R3 independently of one another represent hydrogen or methyl, R1 is other than 3-methylbutyl, and its use as an anticancer agent.
Patent CA-2145532-A1 (CA)
Title: High-efficiency inframed electric liquid-heater
Inventor: WACHENHEIM HOWARD W
IPC: F24H1/10
Filed: 1994-08-04
Abstract: An infrared electric liquid heater includes a conduit for carrying a liquid from an inlet to an outlet and an infrared radiant emitter contained within the conduit for heating the liquid carried in the conduit.   The emitter has a silica composition envelope in direct contact with the liquid to be heated and an electrically heated filament sealed within the envelope for providing infrared energy through the envelope into the liquid.  The silica composition is drawn from a melt of 99.88 % to 99.94 % pure silica by volume, 0.04% to 0.08 % crystalline sodium borax by volume,  and 0.2 % to 0.04 % hydroxide of potassium by volume.  The silica composition has sufficiently high structural strength to remain intact when contacted by cool water when the surface of the envelope is at or above 800 degrees F.
Patent CA-2146970-A1 (CA)
Title: Method and apparatus for treatment of sulphidic concentrates
Inventor: MALMSTROM ROLF
IPC: C22B5/12
Filed: 1993-10-19
Abstract: A method for oxidizing treatment of molten matte and at the same time directly smelting sulphidic concentrate in a refractory-lined liquid bath reactor, e.g. a converter, into which oxidizing air is introduced below the surface of the liquid bath. For additional supply of energy in order to achieve thermal balance or increase of capacity, sulphidic concentrate is introduced into the gas phase of the liquid bath reactor together with oxygen gas or oxygen-enriched gas by means of a concentrate burner.
Patent CA-2148521-A1 (CA)
Title: Support pole with pivoting and locking handrail for elderly and disabled persons
Inventor: O'BRIEN JOHN L
IPC: A47K3/00
Filed: 1995-05-03
Abstract: A support pole for elderly and disabled persons having a pivoting and locking horizontal handrail. It comprises a telescopic pole adapted to be vertically fixed between the floor and ceiling of a room and a horizontal handrail pivotally mounted thereon. A castellated collar and an engaging pin which is actuated by the handrail to move about the pole in small safe increments. The device is to be used by elderly or disabled persons to move from one position to another independent of any assistance.
Patent CA-2148528-A1 (CA)
Inventor: CHIARO LUISELLA
IPC: G01M11/08
Filed: 1995-05-03
Abstract: A method and device are provided for measuring the viscoelastic characteristics of polymeric coatings of optical fibers directly on a coated fiber.  The ends of the fiber are inserted into a pair of clamps which are shaped in such a way as to hold the coating without tearing it and to allow it to slide longitudinally over the fiber, and are associated with means for imparting them a relative oscillating motion to apply to the coating a longitudinal tensile stress of periodically varying intensity.  The clamps and the means to impart them the oscillating motion are part of a rheometer which measures the opposing stress and processes the stress data to give the desired characteristics.
Patent CA-2149397-A1 (CA)
Title: Spinning reel for fishing
Inventor: KANEKO KYOICHI
IPC: A01K89/01
Filed: 1995-05-11
Abstract: The present disclosure concerns a spinning reel for fishing which eliminates the accumulation of line twists in a fishline regardless of the line winding diameter on a spool.  The spinning reel for fishing includes a rotor rotatably mounted to a reel main body, and the spool is supported on the reel main body through a spool shaft.  Turning a manual handle causes the rotor to rotate around the spool.   A line roller is supported on the rotor and guides the fishline onto the spool during winding.  The line roller is oriented such that the diameter of a fishline guide portion of the line roller increases in the direction of rotor rotation during winding.    A guide  projection  extending  generally  toward  the longitudinal midpoint of the line roller contacts the fishline to ensure the fishline is maintained at a desired position with respect to the line roller during winding.
Patent CA-2149533-A1 (CA)
Title: Electrochemical actuator
Inventor: BAUER HELMUT
IPC: H01M10/34
Filed: 1994-07-07
Abstract: An electrochemical actor with a closed gas chamber has a plurality of cells (7), each of which contains a solid electrode (16) made of an electrochemically reversibly oxidisable substance and a counter-electrode (18), whereby a rise or fall in pressure convertible in one movement is effective by a reversible d.c.-generated electrochemical reaction process in the gas chamber.  In order to simplify production and make it more economical and to improve its function, each cell (7) has a stackable frame-like spacer (12) of an electrically insulating and readily heat-conductive material comprising the edge (14) of a metal cell housing (13) containing a matrix (15) impregnated with electrolyte, the solid electrode (16), a separator (17) and the counter-electrode (18), with the counter-electrode (18) of each cell (7) closely stacked against the cell housing (13) of the next cell (7).
Patent CA-2151552-A1 (CA)
Title: Braking device particularly for roller skates
Inventor: MARCONATO LUCA
IPC: A63C17/14
Filed: 1995-06-12
Abstract: A braking device, particularly for skates which includes a shoe associated with a frame having a plurality of wheels and a support for a brake pad in a rear region to the frame. The device comprises a ratchet member for selectively positioning the support with respect to the frame.