baber/WOPTO huggingface dataset:
Patent CA-1189286-A (CA)
Inventor: KOTZSCH HANS-JOACHIM
IPC: C01B33/107
Filed: 1981-12-23
Granted: 1985-06-25
Abstract: ABSTRACT OF THE DISCLOSURE:         The present invention relates to a process for purifying chlorosilanes of impurities contained therein.  These impurities are boron compounds and compound of metals.  This process is characterized in that the chlorosilanes in liquid phase are brought into intimate contact with a compound which contains one or several Si-O-Si linkages in the presence of hydrogen halide and subsequently the chlorosilane thus purified is separated from the non-volatile boron or metal compounds thereby formed by distillation.  Purified SiHCl3 according the within process is needed to manufacture polycrystalline or monocrystalline silicon which is used for semi-conductor purposes.  Purified SiCl4 without metal compounds is needed for the production of optical filaments.
Patent CA-1170977-A (CA)
Inventor: COENEN HUBERT
IPC: E21C41/24
Filed: 1982-03-19
Granted: 1984-07-17
Abstract: ABSTRACT OF THE DISCLOSURE Method for the underground gasification of solid fuels in which an underground fuel deposit is initially opened up and then converted into a gaseous fuel by means of a gasification medium.  The opening of the fuel deposit is effected in a novel manner by treatment with a gas which is in the supercritical state, the gas taking on the volatile organic substances of the solid fuel and the water contained in the solid fuel.  The dissolved organic compounds and the water are separated from the charged supercritical gas phase above ground in at least two fractions by pressure reduction and/or a change in temperature.  This novel process overcomes the drawback of known processes which cannot remove volatile organic components from the solid fuel, the volatile organics clogging gas permeable pores and cracks existing in the underground solid fuel thus pre-venting or hindering underground gasification.
Patent CA-1184136-A (CA)
Inventor: ROSEVEAR ALAN
IPC: C12P1/00
Filed: 1982-03-31
Granted: 1985-03-19
Abstract: Abstract of the Disclosure The present invention relates to the production of chemical compounds and particularly to the biological production of chemical compounds.       The invention provides, inter alia, a process for the production of a chemical compound by use of cells comprising maintaining viable cells, containing a chemical compound, in sufficiently close proximity to cause the cells to excrete the chemical compound and recovering the chemical compound substantially without damage to the cells.       By way of example, ajmalicine and serpentine can be produced using Vinca cells in accordance with the present invention.
Patent CA-1145666-A (CA)
Inventor: BAKER EUGENE E
IPC: E21B43/04
Filed: 1982-05-28
Granted: 1983-05-03
Abstract: ABSTRACT OF THE DISCLOSURE A method of gravel packing at least one zone pierced by a well bore, comprising, circulating a gravel slurry from the surface to a level above the at least one zone; circulating the gravel slurry from the level to the at least one zone; depositing the gravel from the slurry across the at least one zone in the form of a pack and re-turning slurry-free fluid to the level above the at least one zone; returning the slurry-free fluid to the surface; reverse circulating a clean fluid from the surface to the level above at least the one zone, thence to a location prox-imate the at least one zone and back to the level above at least one zone, thence to the surface; preventing fluid move-ment in the well bore below the level above the at least one zone except at the at least one zone during the circulating, the depositing and the returning; and preventing fluid move-ment in the well bore below the level above the at least one zone during the reverse circulating.
Patent CA-1251227-A (CA)
Inventor: BEZZI FRANCESCO
IPC: C04B38/00
Filed: 1982-06-04
Granted: 1989-03-14
Abstract: 81.410 METHOD FOR MAKING A HEAT INSULATING CONCRETE         OR MORTAR MIX CONTAINING AGGREGATES HAVING            SUBSTANTIALLY LOWER SPECIFIC GRAVITY                          ABSTRACT    The invention relates to a method for making a heat insulating concrete or mortar mix containing aggregates having substantially lower specific gravity than that of concrete or mortar.  The additive used according to the invention from the group air pore formers, liquefiers and plasticizers inhibits the upward movement or the accumulation and/or demixing of the light aggregates especially during the preparation, the transport, the pumping operation by means of conventional concrete conveying pumps, the placing and the hardening of the concrete or mortar so that a heat insulating product is provided which has an extremely homogeneous structure.
Patent CA-1168009-A (CA)
Inventor: REINEHR ULRICH
IPC: B01D71/40
Filed: 1982-06-29
Granted: 1984-05-29
Abstract: ABSTRACT       A process for the production of dry-spun hollow poly-acrylonitrile fibres and filaments Hollow polyacrylonitrile fibres having a uniform closed cavity structure are obtained by dry-spinning filament-forming acrylonitrile polymers from a solution through a spinning jet comprising annular jet bores of the type shown in Fig. 1, the solution having a. viscosity of at least 120 falling-ball seconds, as measured at 80°C or of at least 75 falling-ball seconds, as measured at 100°C, the ring of the annular jet bores consisting of three, preferably equally large, ring segments at a distance from one another of at most 0.2 mm, the surface area of the jet bores of the profile jet amounting to less than 0.2 mm2 and the side width of the ring segments amounting to at most 0.1 mm, the spinning air acting on the filaments transversely of the direction in which they are taken off relative to the centre of the spinning jet.
Patent CA-1187763-A (CA)
Inventor: SCOWEN REGINALD V
IPC: C11D3/12
Filed: 1982-07-14
Granted: 1985-05-28
Abstract: ABSTRACT        A detergent composition contains as builder a combination of an aluminosilicate cation-exchange material for example, zeolite A, with an organic precipitant builder having the formula I                                     (I) wherein:          R1 is C10-C24 alkyl or alkenyl, or an arylalkyl or alkylaryl group of equivalent chain length;         X  is CH, CR2, N or CON;          R2 is C1-C3 alkyl;          Y  is hydrogen or a solubilising cation: n.and m, which may be the same or different, are O or integers from 1 to 4,  and Z is COOY or SO3Y.            Preferred organic precipitant builders are the alkyl or alkenyl malonates and succinates.  the inorganic phosphate content is desirably less than 10% by weight and zero-phosphate compositions are preferred.
Patent CA-1182544-A (CA)
Inventor: MURDOCH JAMES C
IPC: G05B19/07
Filed: 1982-07-30
Granted: 1985-02-12
Abstract: ON-LINE CONTROL FOR PAPER MACHINE DRIVE        ABSTRACT OF THE DISCLOSURE           The on-line control system is for use with a mill having a plurality of stands with a drive for each stand.  A master control provides speed reference signals for each stand and the speed reference is stored in a memory at each stand where it is accessed, compared to actual speed, and the drive speed adjusted as a result of the comparison.  If the master control signals should be interrupted, the mill will continue to operate on the basis of the individual speeds stored at each stand until the process requires a speed change at one or more stands.  This provides time for the fault to be located.  The on-line control system permits safe operator adjustment of the speed when required to keep the mill moving.  A module is connected to the stand and the connections checked automatically.  Then the speed reference is transferred from the memory in the stand to a memory in the module and checked.  Then the module transmits that speed reference as its first speed reference signal, and operator speed adjustment starts from that speed reference.
Patent CA-1205632-A (CA)
Inventor: CHUJO TSUNEO
IPC: C10J3/46
Filed: 1982-08-19
Granted: 1986-06-10
Abstract: ABSTRACT OF THE DISCLOSURE            A process for producing synthesis gas comprising the steps of solvent deasphalting heavy hydrocarbonaceous oil and a mixture of carbonaceous materials and heavy hydrocarbonaceous oil by using light hydrocarbonaceous oil as a deasphalting oil; and partially oxidizing a resulting mixture of the carbonaceous materials and asphalt to produce synthesis gas.  The mixture of carbonaceous materials and heavy hydrocarbonaceous oil is obtained by bringing a slurry containing carbonaceous materials by-produced in the partial oxidation of the mixture of the carbonaceous materials and asphalt in water into contact with light hydrocarbonaceous oil, followed by separating the oil phase and the aqueous phase from the resultant mixture, adding heavy hydrocarbon-aceous oil to the separated mixture of the carbonaceous materials and the light hydrocarbonaceous oil and removing the light hydrocarbonaceous oil from the resultant mixture.
Patent CA-1191272-A (CA)
Inventor: PONTEFRACT RONALD M
IPC: G06F3/023
Filed: 1982-09-14
Granted: 1985-07-30
Abstract: ABSTRACT OF THE DISCLOSURE           To allow a saleman to record data relating to merchandise items which are to be ordered, a logging device comprises a casing in which are housed a keyboard, a display and associated circuits.  The salesman locates a sheet containing a list of merchandise items, on the casing beween two columns of light emitting diodes.  At the start of entry of an order, the top left-hand LED is illuminated under the control of a central processor unit which simultaneously addresses a main memory storage location corresponding to the item alongside that LED.  Data, such as quantity required, can then be keyed into that storage location, which already contains an identification code for that item.  The salesman then operates a key which causes the CPU to scan through the LEDs, and the storage locations, in turn, until the next required item on the sheet is reached. Data relating to that item is then keyed-in.  At the end of each day, the salesman couples a transducer to a public telephone and transmits the data to a computer at his base. Due to the automatic correspondence, at any instant, between the item indicated by an LED and the respective storage locattion containing the item identity code, the items can be listed in plain language and the salesman does not have to look up item codes.  The order can, therefore, be entered rapidly and transmitted back to base without danger of incorrect codes being used.
Patent CA-1176007-A (CA)
Inventor: MARSHALL DONALD S
IPC: A61H7/00
Filed: 1982-09-20
Granted: 1984-10-16
Abstract: ABSTRACT OF THE DISCLOSURE         A massaging device comprises a single layer sheet of pliable, water-impervious solid material having an upper face and a lower face.  Holding means in the form of integral suction cups are formed on a lower face to maintain the position of the device in use.  An array of ribs approximately one-sixteenth of an inch in height are distributed over at least a substantial portion of the upper face.  These ribs also from an integral part of the sheet of material  In the preferred embodiment one-half of the upper face at one end of the sheet is covered with these ribs and the other half of the sheet is smooth on the upper face.  The material can be rubber or soft plastic.
Patent CA-1178504-A (CA)
Title: Dual lumen subclavian cannula
Inventor: EDELMAN WILLIAM
IPC: A61M1/30
Filed: 1982-11-05
Granted: 1984-11-27
Abstract: DUAL LUMEN SUBCLAVIAN CANNULA                        Abstract A dual lumen subclavian cannula is disclosed for use in hemodialysis where the lumens are formed by a septum dividing an essentially circular tube longi-tudinally. The blood return lumen is closed at its distal end by a blunt point and has openings in its side wall proximal to the point.  The blood inlet lumen has an open distal end plus openings in the side wall which are proximal to the analogous openings in the blood return lumen.  A manifold at the proximal end of the tube separately distributes blood into the return lumen and collects blood from the inlet lumen.
Patent CA-1226871-A (CA)
Inventor: BENNETT EVERETT W
IPC: H01L31/08
Filed: 1982-11-09
Granted: 1987-09-15
Abstract: ABSTRACT            New compounds of the formula                      (I) wherein n is 1 or 2; R1 and R2 are alkyl or aralkyl; R3 is alkyl; when n is 1, R4 is alkyl, aralkyl, alkenyl, aralkenyl, aryl or a polyether radical having up to 10 ether groups; and when n is 2, R4 is alkylene, aralkylene, alkenylene, aralkenylene, arylene or a divalent polyether radical having up to 10 ether groups.  The compounds are highly efficacious organic photoconductors for use in electrophotography, exhibiting improved pre-exposure fatigue resistance and blooming properties as compared with known photoconductors.  Photoconductive elements containing these compounds are also described.
Patent CA-1205944-A (CA)
Inventor: MARK VICTOR
IPC: C08G63/64
Filed: 1982-11-25
Granted: 1986-06-10
Abstract: HIGH HEAT DISTORTION RESISTANT        SEGMENT-ESTER POLYCARBONATES           Abstract of Disclosure Segment-ester polycarbonates have improved resistance to high heat distortion when portions of the polymer contain units derived from 4,4'-cyclohexylidenediphenol and derivatives thereof. Preferred high heat distortion segment-ester poly-carbonates include the copolyestercarbonate with segments derived from isophthalic acid and 4,4'-cyclohexylidenediphenol and/or terephthalic acid and 4,4'-cyclohexylidenediphenol.  Films made of the segment-ester copolycarbonates have improved resistance to high heat distortion.
Patent CA-1176878-A (CA)
Inventor: TALL MARION A
IPC: G02B7/02
Filed: 1983-01-12
Granted: 1984-10-30
Abstract: ABSTRACT OF THE DiSCLOSURE A magnifier viewer and stand for holding and viewing printed material and the like has a one piece base for holding the material to be viewed and a wide area magnifying lens and support adjustably posi-tioned on the base.
Patent CA-1188288-A (CA)
Inventor: MATHIEU PIERRE
IPC: B01J23/62
Filed: 1983-03-02
Granted: 1985-06-04
Abstract: ABSTRACT OF THE DISCLOSURE       A catalyst for recombining oxygen and carbon monoxide in a sealed CO2 laser includes a stannic oxide base and a coating of at least one metal selected from the group consisting of platinum, palladium, ruthenium, gold and rhodium.  The stannic oxide base is produced by preparing a mixture of a stannous salt such as stannous chloride and stannic acid, adding a base to the mixture to produce a mixture of stannic and stannous hydroxide, and adding an oxidixing agent such as hydrogen peroxide to the hydroxide mixture to yield a precipitate of stannic oxide.  The stannic oxide is mixed with a catalyst metal salt such as the chloride of one of the metals mentioned hereinbefore, and a reducing agent, e.g. formic acid is added to the oxide and salt mixture to produce the salt, whereby the catalyst metal is deposited on the stannic oxide.
Patent CA-1191188-A (CA)
Title: Imprimante electrostatique indirecte
Inventor: BEDUCHAUD MICHEL
IPC: B41J2/41
Filed: 1983-03-31
Granted: 1985-07-30
Abstract: Cette imprimante est caractérisée en ce que le support intermédiaire d'image sous forme de bande souple diélectrique est montée en boucle ouverte définie entre un rouleau débiteur, un rouleau récepteur et un rouleau auxiliaire de repliement de trajectoire et en ce que ce rouleau auxiliaire et un rouleau presseur associé constituent, d'une part, un poste commun de transfert et de fixation d'image sur un support final en feuilles individuelles et, d'autre part, avec la bande, le moyen d'entraînement de ces feuilles jusqu'à un poste de restitution.
Patent CA-1164332-A (CA)
Title: Latch for a pulling rope
Inventor: VON KNORRING ENAR
IPC: E06B9/42
Filed: 1983-04-15
Granted: 1984-03-27
Abstract: ABSTRACT OF THE DISCLOSURE        This latch is used more specifically in association with the pulling rope of a roller blind, wherein the rope is pulled down to roll the blind upwardly, and the blind unwinds downwardly under gravity when the rope is released.  The latch is of the type comprising a U-shape bracket and an arm pivoted between the flanges of the bracket and having a latching heel gripping the rope against the backing surface provided by the bracket under the action of a spring.  The latching heal automatically blocks the rope against upward movement and releases the rope when the letter is pulled down.  The latch, in addition to the above-mentioned already known latching heel to block the rope in any given position, has a braking heel arranged to engage more or less the pulling rope  and brake the same when the latching heel is in rope-releasing position.          This enables speed control of the downward movement of the blind.
Patent CA-1191389-A (CA)
Inventor: LISICA VINCENT M
IPC: B41J2/255
Filed: 1983-04-27
Granted: 1985-08-06
Abstract: PRINT ELECTRODE CONTROL CIRCUIT            Abstract of the Disclosure Circuit for selectively enabling energization of printing electrodes in sequence in a print head to achieve a more nearly constant current flow in the electrodes to thereby produce recorded marks of more uniform size.  The formation of the electrodes into gated small groups reduces the maximum allowable current and, hence, the electromagnetic radiation.  During traversal of the print head along a print line, a lagging electrode group or groups are enabled before the leading groups regardless of travel direction to minimize recording impedance for energized electrodes.
Patent CA-1198387-A (CA)
Inventor: BLAUWHOFF PETRUS M M
IPC: C10G69/02
Filed: 1983-06-15
Granted: 1985-12-24
Abstract: A B S T R A C T            PROCESS FOR THE PRODUCTION OF LOW-ASPHALTENES            HYDROCARBON MIXTURES      Deasphalted oils and hydrocarbon oil distillates are produced from asphaltenes-containing hydrocarbon mixtures by a process comprising converting an asphaltenes-containing hydrocarbon mixture using a catalytic hydrotreatment into a product with a reduced asphaltenes content which is separated by distillation into one or more distillate fractions and a residual fraction, which is subjected to two-step solvent deasphalting.
Patent CA-1202127-A (CA)
Inventor: AUSTIN ERIC P
IPC: C02F3/10
Filed: 1983-06-15
Granted: 1986-03-18
Abstract: ABSTRACT         A PROCESS AND APPARATUS FOR PROMOTING            GROWTH OF BIOMASS             A process and apparatus for promoting growth of biomass from a supply of suitable nutrient, for example, for the treatment of sewage or industrial effluent by the so-called activated sludge process. There is provided a tank (10) containing a plurality of freely movable bodies (11) each formed as a block of reticular foamed material defining within its internal structure a substantial voidage which provides a protective environment to permit the growth of biomass, effluent to be treated being introduced into the tank via line (12), treated liquor leaving the tank via main (14), bodies (11) being removed continually or periodically by conveyor (21) and recycled to tank (10) after removal of accumulated biomass by mangle rolls (24).
Patent CA-1219230-A (CA)
Inventor: BALANOVSKY LEV
IPC: B65D5/12
Filed: 1983-10-05
Granted: 1987-03-17
Abstract: A NON-ROUND LIQUID-TIGHT  PAPER BOARD CONTAINER            ABSTRACT OF THE DISCLOSURE         A liquid-tight paperboard container having at least one radiusedcorner is disclosed, together with a method for manufacturing it.  The container includes a sidewall member having a bottom edge por-tion folded under a bottom piece to define a flange which is sealed to the bottom piece by means of heat and pressure.  The region of the seal between the flange and the bottom piece is defined by a knurled surface on the flange.  This permits the formation of a high quality, reliably liquid-tight container using relatively low pressures.  In addition, the portions of the bottom edge of the sidewall member adjacent the radiusedcorners of the container are preferably provided with slits or notches to limit the buckling that occurs during the process of folding the edge under the bottom piece.  By doing this, in combination with the use of a knurled for sealing. containers having corners with unusally small radii of curvature be reliably, easily and inexpensively manufactured.
Patent CA-1212029-A (CA)
Inventor: HAAKE JOSEPH R
IPC: B32B37/20
Filed: 1983-11-09
Granted: 1986-09-30
Abstract: ABSTRACT               CONTROL STRETCH LAMINATING DEVICE     A laminating apparatus for laminating extensible plastic film material to a paper backing material to form a laminated composite.  The apparatus comprises mechanical stretch control means for controlling the stretch or relaxation of the film material prior to lamination with the paper material.  The apparatus also comprises means for monitoring the amount of film stretch in the laminated composite and providing data therefrom to a data processing unit which provides control signals to operate the mechanical stretch controlling means.
Patent CA-1215345-A (CA)
Inventor: ROGERS JACK S
IPC: B65D65/38
Filed: 1983-11-25
Granted: 1986-12-16
Abstract: Abstract of the Disclosure A packaging material, preferably for meat, which is composed of a weft inserted, warp knit substrate fabric and a coating of microcrystalline wax on both sides of the substrate fabric.
Patent CA-1219848-A (CA)
Inventor: CHAN FRED N
IPC: G05D1/08
Filed: 1983-12-22
Granted: 1987-03-31
Abstract: METHOD AND APPARATUS FOR THRUSTER TRANSIENT CONTROL     ABSTRACT OF THE DISCLOSURE         Transients and steady state error induced in maneuvering a satellite due to a disturbance torque caused by thrust mismatch or differential in the alignment of thrusters with respect to the center of mass are minimized by introducing a torgue balancing bias at the input of a thrust modulator of the thrusters prior to sensing position or attitude error.  The bias may instantly off-modulate the thruster control signal to cancel the effects of attitude transients before errors develop.  Other axes thrusters may be on-modulated instantaneously to compensate for cross-axis torque.          The bias may be introduced into the satellite control scheme by manual ground control or in automatic on-board compensation based on stored parameters obtained for example from calibration measurements.  Specifically, the torque balancing bias may be developed by reference to thrust mismatch detected and stored during previous maneuvers, thus anticipating expected attitude error without actual detection thereof.
Patent CA-1234142-A (CA)
IPC: C07C69/736
Filed: 1984-01-05
Granted: 1988-03-15
Abstract: ABSTRACT OF THE DISCLOSURE    Novel substituted 2-halogenopropionates of the formula   in which R1 and R2 each independently are a hydrogen atom or a C1 to C6 alkyl group, X is a hydrogen or halogen atom, nitro, C1 to C6 alkyl or C1 to C6 alkoxy, a and n each independently are 1 or 2, and W is a halogen atom, or a 4-hydroxyphenoxy group, or alkali metal salt thereof, and their use as intermediates for herbicides.
Patent CA-1213363-A (CA)
Inventor: LEWIS HENRY G JR
IPC: H04N9/66
Filed: 1984-02-17
Granted: 1986-10-28
Abstract: Abstract of the Disclosure Apparatus is provided for demodulating sampled data chrominance signals. The chrominance samples occur in sequences of interleaved first and second color mixture signals of the form +A, +B, -A, -B.  The + and - signs associated with like letters indicate a difference in sampling phase of 180 degrees relative to the color burst reference.  Samples separated by exactly one horizontal line are sampled on opposite phases.  Means are provided for selectively demultiplexing samples of a first color mixture signal component sampled at a prescribed sampling phase from every other horizontal line of the chrominance signal, and demultiplexing and inverting the polarity of samples of said color mixture signal component sampled at 180 degrees phase differences relative to the prescribed sampling phase on the intervening lines of chrominance signal.