baber/WOPTO huggingface dataset:
Patent CA-2000846-C (CA)
Inventor: ABRAHAMSSON ANDERS
IPC: B01F3/08
Filed: 1989-10-17
Granted: 1993-02-23
Abstract: ABSTRACT OF THE DISCLOSURE      The invention relates to a method and an arrangement for the continuous diluting of a concentrated solution.  A main tank (1) for the concentrated solution and a partial tank (2) for diluting liquid are connected to one another by means of an overflow pipe (4), whose open end is on a level with the level of the concentrated solution in the main tank (1).          Diluting liquid is fed continuously by the feed line (5) to the partial tank (2), a small quantity of diluting liquid at the same time being diverted and fed to the main tank (1).          The quantity of diluting liquid which is fed to the concentrated solution is of the same magnitude as the quantity of concentrated solution which is fed at the same time to the diluting liquid via the overflow pipe (4).
Patent CA-2006891-C (CA)
Title: Composition to induce and stimulate the growth of hair and/or slow down their shedding, based on pyrimidine derivatives and sun screens
Inventor: GROLLIER JEAN FRANCOIS
IPC: A61K8/35
Filed: 1989-12-29
Granted: 2002-02-12
Abstract: The invention relates to a composition intended for inducing and stimulating hair growth and for reducing hair loss, containing, in a physiologically acceptable medium, at least one pyrimidine derivative corresponding to the formula: <IMAGE>  in which R1 denotes <IMAGE> where R3 and R4 are hydrogen, alkyl, alkenyl, alkylaryl or lower cycloalkyl, it also being possible for R3 and R4 to form a heterocycle with the nitrogen atom to which they are linked, preferably piperidyl, and R2 is preferably hydrogen, as well as its addition salts with physiologically acceptable acids; and at least one agent screening out UV radiation, chosen from 2-hydroxy-4-methoxybenzophenone, 2-ethylhexyl para-dimethylaminobenzoate, pentyl para-dimethylaminobenzoate, 2-ethylhexyl para-methoxycinnamate, 4-(1,1-dimethylethyl)-4'-methoxydibenzoylmethane, N-(2-ethylhexyl)-3- [(3'-methoxy-4'-n-butoxy)benzylidene]-10-camphorsulphonamide, 3-(4-methylbenzylidene)camphor, homomenthyl salicylate, 2-ethylhexyl salicylate, para-aminobenzoic acid and 2-hydroxy-4-methoxybenzophenone-5-sulphonic acid, as well as mixtures thereof.
Patent CA-2006941-C (CA)
Title: Pipe mold steel
Inventor: KHARE ASHOK K
IPC: C22C38/44
Filed: 1989-12-29
Granted: 1995-12-26
Abstract: A ferritic alloy steel with high ductility and high toughness, and a controlled microstructure for making pipe molds for centrifugally casting pipe consisting essentially of from about 0.12% to about 0.22% carbon, about 0.40% to about 0.80% manganese, about 0.025% maximum phosphorus, about 0.025% maximum sulphur, about 0.15% to about 0.40% silicon, about 0.00% to about 0.55% nickel, about 0.80% to about 1.20% chromium, about 0.15% to about 0.60% molybdenum, about 0.03% to about 0.08% vanadium, and balance essentially iron.
Patent CA-2009562-C (CA)
Title: Method and apparatus for measuring the resistivity of earth formations
Inventor: TROUILLER JEAN-CLAUDE
IPC: G01V3/20
Filed: 1990-02-08
Granted: 1999-07-27
Abstract: The invention relates to a logging method and apparatus for determining the electrical resistivity of an earth formation traversed by a borehole (11). The resistivity is determined using a measuring pad (20) which has a central electrode (A0b) operable to deliver a measuring current.  The measuring current is focused radially by means of two focusing systems: an active focusing system (M, A1) which focuses the measuring current in a first direction; and a passive focusing system (A0) which focuses the measuring current in a second direction perpendicular to said first direction.
Patent CA-2018079-C (CA)
Title: Pouring tube for feeding molten steel into a continuous casting mold
Inventor: GROTHE HORST
IPC: B22D11/10
Filed: 1990-06-01
Granted: 2000-04-04
Abstract: A pouring tube for feeding molten steel into the pouring zone of a continuous casting mold includes a tube portion connected to a pouring container and an end portion provided with a bottom piece. To ensure safe operation of the pouring tube and an improved flow distribution, the bottom piece has in the direction of outlet openings thereof a width which is smaller than the distance between the walls which form the upper limits of the outlet openings.
Patent CA-2019617-C (CA)
Inventor: RUDKOWSKI PIOTR Z
IPC: C22C45/04
Filed: 1990-06-22
Granted: 2001-01-30
Abstract: Amorphous ferromagnetic alloys having a niobium content in the range of 2.5 to 15 atomic percent have been conceived. These alloys are obtained directly in the amorphous state or as a mixture of amorphous and crystalline places. These alloys have superior properties relative to prior known amorphous and some amorphous alloys. The amorphous ferromagnetic alloys of this invention are .readily produced by rapid solidification techniques with no need for subsequent treatment.
Patent CA-2026104-C (CA)
Title: Telecommunications system
Inventor: BARNES NIGEL EVERARD
IPC: H04W72/08
Filed: 1990-01-26
Granted: 1999-09-07
Abstract: A communication procedure suitable for a cordless telephone system involves time division duplex radio communication between a handset (11) and a base station (3) using alternating bursts of transmission over a single radio channel. Once a radio link has been set up, initial transmissions carry a synchronisation logical channel (S) and a signalling logical channel (D) multiplexed together, but the link may switch to bursts carrying a communications logical channel (B) for the speech data and the signalling logical channel (D). Burst synchronisation is achieved by the asynchronous detection of words in a synchronisation channel (S). These words have bit patterns reducing the probability of incorrect asynchronous detection of them. If one part ceases to receive handset signals from the other, it transmits a special signal, informing the other part. This enables both parts to detect the failure of a link at substantially the same time, so that their actions to re-establish the link are synchronised.
Patent CA-2046949-C (CA)
Title: Process for preparing perfluoroalkoxysulphonic compounds
Inventor: NAVARRINI WALTER
IPC: C07C311/24
Filed: 1991-07-12
Granted: 2002-12-10
Abstract: A process for preparing perfluoroalkoxysulphonic compounds having formula:      R f ~ OC2F4 -SO2X)p    (I) wherein R f represents a perfluoroalkyl or perfluoroethereal group, X represents F, OH or OM, in which M is an alkaline cation, alkaline-earth cation, or X represents NR1R2, in which R1 and R2, independently of each other, represent H or an alkyl group containing from 1 to 5 carbon atom and p is a number selected from 1 to 2, characterized in that the perfluoro vinyl sulphonyl fluoride of formula (II) CF2 = CF-SO2F is reacted with a hypofluorite of formula (III):      R f (OF) r   (III) wherein R f is the same as defined above, and r represents 1 or 2, optionally in an inert solvent, at a temperature approximately ranging from -140°C to +40°C, and that, if so desired, from the compound of formula (I) so obtained in which X=F, the corresponding derivatives, in which X has the other meanings defined above, are obtained by means of conventional techniques. A few subclasses of compounds (I) are new per se.      The derivatives are utilized as polymerization catalysts, surfactants, electrolytes in electric generators.
Patent CA-2052044-C (CA)
Title: Method for flyash recycling in a dry so2 scrubber
Inventor: KIDWELL JOHN H
IPC: B01D53/50
Filed: 1991-09-23
Granted: 2000-05-02
Abstract: A method of removing sulphur oxides from flue gases comprises atomizing a wet alkali slurry into a slurry spray.      A pneumatically conveyed dry reactive recycled flyash is supplied in an annular pattern around the slurry spray to efficiently utilize the flyash without experiencing difficulties which were experienced in the prior art with regard to a wet mixture of the flyash.
Patent CA-2055213-C (CA)
Title: Process for increasing the bitumen content of oil sands froth
Inventor: TIPMAN ROBERT N
IPC: B03B9/02
Filed: 1991-11-08
Granted: 1996-08-13
Abstract: A process and an apparatus are described for separation of water and solids from oil sands froth in which heated froth is fed into a gravity settling vessel at a level below a bitumen-water interface established between a bitumen froth layer floating on a quiescent body of water whereby water and solids contained in the froth separate from the froth stream, the oil rises to accumulate in the bitumen froth layer, and the solids fall by gravity to the bottom of the gravity settling vessel.  The apparatus comprises an injector manifold suspended horizontally within the vessel below the bitumen-water interface, said injector manifold having a plurality of equispaced, inwardly facing openings for the inward discharge of oil sands froth into the body of water. The injector ring manifold may also have a plurality of outwardly facing openings for both inward and outward discharge of froth.   A level probe for monitoring the level of the bitumen-water interface preferably is mounted in the vessel in electrical communication with a valve for discharging underflow for control of the level of the bitumen-water interface.
Patent CA-2057012-C (CA)
Inventor: MCLENDON DONALD C
IPC: G03B1/24
Filed: 1990-02-06
Granted: 2000-11-28
Abstract: Un ensemble de tambour denté (20) qui permet à un projecteur ciné ou à tout autre dispositif de maniement de films d'être converti facilement à passer des films ayant soit trois soit quatre perforations. L'ensemble de tambour denté (20) comporte un manchon cylindrique externe (22) ayant des dents pour s'engager dans les perforations du film lorsqu'il est passé, ainsi qu'un manchon cylindrique interne (24) adapté pour s'emboîter dans et pour s'accoupler en contrerotation avec le manchon cylindrique externe (22). Le manchon interne (24) comporte également des dents pour s'engager dans les perforations du film. Le manchon interne (24) est monté sur un arbre rotatif (44) du projecteur, et le manchon externe (22) peut être ajouté ou enlevé selon que l'opérateur souhaite montrer des films à trois ou à quatre perforations. Les manchons externe et interne sont dimensionnés de sorte que lorsque le manchon externe (22) est utilisé, la vitesse de défilement du film soit sensiblement de 4/3 de la vitesse de marche lorsque seul le manchon interne (24) est utilisé.
Patent CA-2058150-C (CA)
Title: Recharging bead incorporating fibres or at least one reinforcing wire
Inventor: DUCOS MAURICE
IPC: C23C4/04
Filed: 1991-12-19
Granted: 2004-02-17
Abstract: The invention relates to a recharging or reloading bead incorporating discontinuous fibres or at least one reinforcing wire, This bead comprises a core reinforced by discontinuous fibres or at least one continuous wire (6) made from a non-fragile material, which melts or burns at a temperature equal to or above 500°C, e.g. a weldable alloy or metal, such as copper or stainless steel. It also comprises an outer sheath (9b) made from an organic substance.      It can be produced by the co-extrusion or co-spinning of two pastes.
Patent CA-2063048-C (CA)
Title: Stackable bung barrel made of plastic
Inventor: SCHUETZ UDO
IPC: B65D1/20
Filed: 1992-03-13
Granted: 1995-10-24
Abstract: An inlet and outlet bung (9) and an air inlet and air release bung (10)are placed so as to be protected in recesses (11, 12) of the cover (4) of the bung barrel.  The stacking surface (8) of the cover (4) passes over into two flanges (17, 18) extending in peripheral direction and enclosing the base surface of the recess (11) for the inlet and outlet bung (9), extending with a slight drop from the stacking surface (8) to the base surface of the recess (11) and forming runoff channels (21, 22) for the residual liquid (24) accumulating on the inside (27) of the cover (4), running off through the bunghole (15) of the inlet and outlet bung (9) when the top part (1') of the bung barrel is slightly tilted.
Patent CA-2065304-C (CA)
Inventor: FAULKNER DAVID WYNFORD
IPC: H04B10/291
Filed: 1990-08-14
Granted: 1999-07-13
Abstract: A reflective star coupler for a distributed switch optical network for narrow band and broad band broadcast communication comprises one port (20a) terminated in a reflective surface or device (22), a signal amplifier (24) and/or filter is disposed in the path between the port (20a) and the reflective device (22) to reintroduce the light from that port into the coupler in an amplifier state or selectively according to wavelength. The amplifying device may be a semiconductor laser having a reflective coating on one face thereof.
Patent CA-2072406-C (CA)
Inventor: MARKS BRUCE GEORGE
IPC: H01J29/07
Filed: 1992-06-25
Granted: 2002-04-16
Abstract: An improved color picture tube includes a shadow mask which has a rectangular periphery with two long sides and two short sides. The mask has a major axis, which passes through the center of the mask and parallels the long sides, and a minor axis, which passes through the center of the mask and parallels the short sides. The mask includes slit-shaped apertures aligned in columns that essentially parallel the minor axis. Adjacent apertures in each column are separated by tie bars in the mask. The widths of the tie bars are graded in dimension. The grading is at least partially related to the amount of tie bar stretch occurring in a similar size mask having different tie bar widths.
Patent CA-2074300-C (CA)
Title: Coaxial filter cigarette
Inventor: SCHNEIDER WERNER
IPC: A24D1/00
Filed: 1992-07-21
Granted: 2001-07-17
Abstract: In a coaxial cigarette comprising a rod portion having an inner core of a material smouldering substantially without residue, a sheath for the inner core, an outer jacket coaxially surrounding the inner core and its sheath, a sheath for the outer jacket and a filter portion, even whilst dispensing with special papers provided with special additives the secondary smoke is effected solely by the characteristics of a special coaxial rod type, the packing density of the inner core being greater than the packing density of the outer jacket, the draw resistance per unit length with respect to the packing density being greater in the inner core than in the outer jacket, the air permeability of the sheath of the inner core being less than the air permeability of the sheath of the outer jacket and the filter portion having a filter ventilation degree of at least 30 % and a retention degree of at least 40 %.
Patent CA-2076294-C (CA)
Title: Superabsorbent polymeric materials which are temperature and salt tolerant and cables which include same
Inventor: SHEU JIM J
IPC: C08F8/00
Filed: 1992-08-18
Granted: 2001-01-02
Abstract: A cable (20) includes a waterblocking member (29) which includes a superabsorbent polymer. The superabsorbent polymer includes an ionic constituent which is characterized in that its solubility product is substantially higher than that of carboxylate and in that it has a lower reaction rate for forming an anhydride than does carboxylate. The ionic constituent may be selected from the group consisting of sulfate, sulfonate and phosphate and also includes a counter ion. Other constituents may include a carboxylate and a non-ionic group constituent. The superabsorbent polymer is such that the amount of crosslinking is sufficient to avoid the polymer going into solution, but is not so much as to affect adversely the water absorbency of the waterblocking member. Further, the superabsorbent polymer is much more salt tolerant and temperature tolerant than are prior art superabsorbent polymers.
Patent CA-2077253-C (CA)
Title: Liquid laundry detergent compositions
Inventor: HAWKINS JOHN
IPC: C11D/
Filed: 1992-08-31
Granted: 2003-06-17
Abstract: A pourable composition capable of suspending solids and comprising a mixture of water and surfactant which in the absence of surfactant-desolubiliser would form a non-pourable liquid crystal phase; and sufficient dissolved surfactant - desolubiliser to provide a stable spherulitic composition.
Patent CA-2079264-C (CA)
Title: Preceramic polymers incorporating boron
Inventor: MATSUMOTO ROGER L K
IPC: C08L83/02
Filed: 1992-09-28
Granted: 2003-12-30
Abstract: A boron-substituted polysilazane in which the boron is derived from a borane and is bound to the polysilazane through boron-carbon bonds is disclosed. The polysilazane is prepared by reacting a silazane ammonolysis product containing at least one 2-6 carbon alkenyl or alkenyl group with a borane containing at least one B-H group per molecule. The boron-substituted polysilazane can be used to prepare silicon carbide-containing ceramic articles.
Patent CA-2082246-C (CA)
Inventor: KALLENBERGER HARVEY
IPC: F16H57/02
Filed: 1992-11-05
Granted: 1996-12-03
Abstract: The invention involves a machine, e.g., a walking dragline having a drive gear, a driven member which loads (and wears) gear teeth unequally and an interconnecting shaft.  The quill-mounted gear is separately supported by bearings.  The shaft can be moved axially and when so re-positioned, it is also separately supported by other bearings.  When the gear needs to be "indexed," (due to unequal tooth wear) the shaft is moved axially out of connection with the gear but remains connected to the eccentric.  The gear can then be indexed using its drive motor and the shaft can be re-engaged with the quill without the necessity of auxiliary lifting equipment and without disengaging the shaft from the eccentric.
Patent CA-2082961-C (CA)
Title: Color picture tube
Inventor: TONO HIDEO
IPC: C09K11/02
Filed: 1992-03-13
Granted: 2002-03-05
Abstract: The object of the present invention is to provide a color picture tube, which has a fluorescent film of a red emission component exhibiting a red emission with a deep color tone and is excellent in emission brightness. This object can effectively be accomplished by a color picture tube, having a face plate on which dot-shaped or stripe-shaped fluorescent films of blue, green and red emission components are respectively formed, characterized in that the fluorescent film of the red emission component is formed of a red emission composition comprising an europium activated rare earth element oxide phosphor having an x value of 0.630 to 0.652 in CIE Chromaticity Representation and an europium activated rare earth element oxysulfide phosphor having an x value of 0.652 to 0.674 in the same representation, in mixture, the said composition having an x of 0.647 to 0.662 in the same representation.
Patent CA-2085358-C (CA)
Title: Electrical power connector
Inventor: MAUE H WINSTON
IPC: H01R13/71
Filed: 1992-04-16
Granted: 1996-07-02
Abstract: An electrical connector assembly having a first connector (12) mounted to a battery cable, a second connector (14) mounted to a load circuit lead, a connector housing (16) with internal contacts (26,28) for electrically interconnecting the first and second connectors and a turnbuckle assembly (18) for concurrently driving the first and second connectors to automatically disconnect the power side connector (12) from the internal contacts (26,28) of the housing when disconnecting the second connector (14) from the housing.
Patent CA-2091973-C (CA)
Title: Cake icing composition utilizing a food modifying composition and process for making same
Inventor: ANDERSON WENDY ANN
IPC: A23L1/308
Filed: 1993-03-18
Granted: 2003-07-01
Abstract: A cake icing composition and process for making same is disclosed. The cake icing composition comprises sugar and/or starch, water and a food modifying composition.      The food modifying composition independently includes a dispersion of an edible soy fiber having a particle size in the range of between about 0.1 micron and about 20 microns, present in a concentration of between about 5% and about 30%, and an aqueous liquid, present in a concentration of between about 70% and about 95%, said percentages being by weight, based on the total weight of the food modifying composition.      In the process of making this composition the sugar, water and food modifying composition are blended together. The food modifying composition is itself formed by dispersing the edible soy fiber having a particle size in excess of 20 microns in the aqueous liquid and wet-milling the resultant dispersion so that the soy fiber has a particle size in the range of between about 0.1 micron and about 20 microns.
Patent CA-2092536-C (CA)
Title: Trap for catching mice and rats
Inventor: BODKER ALAN NEIL
IPC: A01M23/30
Filed: 1992-08-10
Granted: 1998-09-29
Abstract: A trap (10) for catching mice and rats includes a standard mousetrap (12) mounte d within a two-part housing (14). The standard mousetrap (12) includes a tab (84) which projects through a slot (86) a n arcuate upper wall (32) of one portion of the housing (18), allowing one to cock the trap from the exterior of the housing. Th e first portion (18) of the housing is pivoted to the second portion (20) of the housing so that the housing can be conveniently opene d to dispose of a mouse or rat caught in the trap (10). The housing (14) shields the cocked trap so as to enhance the safety there of while allowing one to empty the trap (10) without running the risk of touching the mouse or rat caught therein.
Patent CA-2092859-C (CA)
Title: Receiver having an adjustable matched filter
Inventor: WRIGHT ANDREW S
IPC: H04L7/02
Filed: 1993-03-29
Granted: 2003-05-20
Abstract: A radio receiver's digital matched filter (52') is intended to match a pulse-shaping filter (23) in the transmitter whose signals it receives. However, the clock signal on which the matched filter's timing is based is generated by a receiver clock (58') that is independent of the transmitter clock (56) and that is subjected to no timing adjustment to bring the two clock signals into synchronism. So as to ensure that the matched and pulse-shaping filters work together as a Nyquist filter, therefore, a timing-recovery circuit (60') senses the timing offset in the matched filter's output, and a coefficient generator (80) adjusts the matched filter's coefficients in such a manner that the filter itself imposes the delay needed for the required timing relationship between the filters.
Patent CA-2093043-C (CA)
Title: Telephone usage monitoring arrangement
Inventor: GERBER EUGENE
IPC: H04M3/00
Filed: 1993-03-31
Granted: 1997-04-08
Abstract: This invention relates to real time accumulation of telephone usage data and real time reporting of such data to a telecommunications system administrator. Telephones being monitored are identified in translation information of the connected switching system. When a reportable event occurs for one of these telephones, a data message is sent to a management information system (MIS) for the group that includes that telephone, and the records of that MIS are updated and displayed. Advantageously, real time information is displayed for selected individual and/or group telephone stations.
Patent CA-2097665-C (CA)
Inventor: KIMURA YOICHI
IPC: C08J7/046
Filed: 1993-06-03
Granted: 2004-08-17
Abstract: There are provided a coating composition, for use on a plastic lens with a refractive index exceeding 1.60, for avoiding interference fringes and unevenness in the reflected color, and a lens coated with such coating composition. The coating composition contains an organic silicon compound represented by R1a R2b Si-(OR3)4-(a+b) and modified sol of a double structure in which nuclei composed of tin oxide colloid particles are surrounded by tin oxide-tungsten oxide complex colloid particles, and the plastic lens is coated with such coating composition.
Patent CA-2103716-C (CA)
Inventor: KAGAWA HITOSHI
IPC: H01S5/00
Filed: 1989-12-14
Granted: 1995-12-12
Abstract: A method of making a semiconductor laser device is provided, in which a reflection control film is disposed on at least one surface of a semiconductor laser chip to control its reflectivity. then the semiconductor laser chip is attached to a mount, and the entire assembly is coated with an insulating film.