baber/WOPTO huggingface dataset:
Patent CA-1099260-A (CA)
Title: Procede de preparation industrielle de colorants azoiques contenant des groupes cyano
Inventor: BELFORT GERARD
IPC: C09B29/08
Filed: 1977-04-07
Granted: 1981-04-14
Abstract: Procédé de fabrication d'un colorant azoïque cyané insoluble dans l'eau, de formule: (CN)n   A - N = N - B               (I) à partir d'un composé azoïque halogéné de formule: (Hal)n  A - N = N - B               (II) dans lesquelles A désigne un radical benzénique portant le ou les substituants nitrite ou halogène en position ortho par rapport au groupement azoïque, Hal représente un atome d'halogène, en particulier brome ou chlore, B désigne le radical d'un copulant, de préférence un radical para aminoarylène substitué, A et B sont exempts de groupements hydrosolubilisants et peuvent porter d'autres substitutants usuels dans les colorants azoïques, n est 1 ou 2, caractérisé en ce que l'on fait réagir un composé de formule (II) avec un cyanure alcalin, de préférence le cyanure de sodium, en présence d'eau, et que l'on opère au sein d'un solvant formé par un sulfure de formule: NC - R - S - (R')m - CN            (III) où R et R', identiques ou différents, désignent un radical alkylène, ayant de 1 à 6 atomes de carbone, à chaîne droite en ramifiée pouvant contenir un pont -O- ou -S-, m étant 0 ou 1, et en présence d'un catalyseur constitué par une combinaison moléculaire entre le sulfure de formule (III) et un sel cuivreux.  Colorant azoïque cyané ainsi préparé.  Complexe entre sulfure (III) et un sel cuivreux.  Ce procédé est économique et non polluant et permet notamment une récupération particulièrement aisée à la fois du solvant et du catalyseur de cuivre engagés.  Les colorants obtenus sont à l'état de haute pureté.
Patent CA-1086333-A (CA)
Inventor: VAN BROEKHOVEN JOHANNES A M
IPC: C07C29/04
Filed: 1977-04-26
Granted: 1980-09-23
Abstract: A B S T R A C T A process for the preparation of one or more alcohols comprising reacting one or more olefinically unsaturated compounds with water in the presence Or a hydration catalyst and a sulphone as solvent. In particular butenes can be converted to secondary butylalcohol using an acidic ion-exchange resin as catalyst and sulpholane as solvent.
Patent CA-1109373-A (CA)
Inventor: HUNTLEY EARL B
IPC: C12Q1/44
Filed: 1977-05-02
Granted: 1981-09-22
Abstract: ABSTRACT         An improved method of determining lipase activity in a sample by reacting the sample with a triglyceride emulsion and measuring the rate at which the triglyceride is hydrolyzed into fractions by the lipase in which the emulsion is formed by providing, as a reagent, a solid matrix of an excipient uniformly impregnated with the trigylceride, and the solid matrix is dissolved in an aqueous reaction mixture to release the triglyceride. The reagent is prepared by forming a solution of the triglyceride with a solvent, mixing the solution with an excipient and evaporating the solvent to leave a solid matrix of the excipient impregnated with the triglyceride.
Patent CA-1056362-A (CA)
Inventor: WARE WILLIAM P
IPC: H02G1/08
Filed: 1977-05-18
Granted: 1979-06-12
Abstract: APPARATUS AND METHOD FOR PNEUMATICALLY RODDING    MULTI-PASSAGE CABLE HOUSING CONDUITS            Abstract of the Disclosure:           Cable pull lines are pneumatically rodded through underground cable housing conduit comprising joined multi-passage sections by attaching the free end of the pull lines to individual foam carriers inserted into each passage at one end of the conduit and forcing air through a manifold into said passages behind the foam carriers to simultaneously drive the carriers to the open exit end of the conduit.  The pull lines have been previously uniformly wound on a reel and a brake is used to tension the reel as the pull lines unwind therefrom to keep the foam carriers in phase as they advance through the conduit and thereby to prevent air bypassing the leading foam carriers through gaps at the conduit section joints with resultant loss of driving pressure.
Patent CA-1083481-A (CA)
Inventor: CANTOR ABRAHAM
IPC: A61K47/48
Filed: 1977-05-26
Granted: 1980-08-12
Abstract: ABSTRACT OF THE DISCLOSURE        An improved iodine tincture is provided by incorpor-ating therein a small amount, preferably about 0.25 to 2.5 parts per part by weight of iodine, of povidone, 1-vinyl-2 pyrrolidone polymer.  In these proportions, the povidone modified tincture of iodine exhibits markedly reduced tendency to burn or sensi-tize skin areas on which it dries, is stable, and at the same time retains the essential germicidal activity of unmodified tincture of iodine.  The new products can be formulated directly or as concentrates yielding the improved tincture upon extension with a prescribed amount of aqueous-ethanolic diluent.
Patent CA-1062899-A (CA)
Inventor: KORPMAN RALF
IPC: B32B5/02
Filed: 1977-06-21
Granted: 1979-09-25
Abstract: ABSORBENT DRESSING            Abstract of Disclosure -- A highly conformable laminated absorbent dressing which comprises an absorbent pad or layer and an elastic backing film which is both elastic and easily deformable and which preferably is highly thermoplastic and easily heat-sealable.  The backing film possesses an elastic recovery from 50 percent stretch of at least about 75 percent, preferably at least about 90 percent; a rubber modulus of not above about 2,000, preferably not above about 1,000, pounds per square inch at 50 percent elongation; a Gurley stiffness of not above about one at a thickness of one mil; and preferably is adapted to form permanent heat seals to paper or boxboard at peak temperatures not above about  350°F. in no more than 4 seconds of clamping time.  Various other relationships between the backing film of this invention, the absorbent pad and various types of facing layers are described and claimed.
Patent CA-1080362-A (CA)
Inventor: FULTZ JACK V
IPC: G06F1/025
Filed: 1977-06-23
Granted: 1980-06-24
Abstract: SYNTHESIZER FOR MULTIPHASE WAVEFORMS                  ABSTRACT OF THE DISCLOSURE         A synthesizer for multiphase waveforms is disclosed which is useful, for example, in open and closed loop control of a two-phase induction motor, such as for a magnetic recording disk spindle, utilizing a plurality of bistable elements, two for each phase, to control output power drivers.  A single clock pulse counter is employed to time the setting and reset-ting of each bistable element according to some predetermined pattern controlled by combinational logic which presets the counter to proper values at appropriate times in response to external stimuli, such as speed feedback control and start-stop control.
Patent CA-1091906-A (CA)
Inventor: NAKAJIMA SHIRO
IPC: D21J1/16
Filed: 1977-06-30
Granted: 1980-12-23
Abstract: PROCESS FOR MANUFACTURING MAGNESIUM CARBONATE BOARD Abstract of the Disclosure Magnesium carbonate board is prepared by mixing a neutral magnesium carbonate suspension with a fibrous material and the like, adding an active magnesia, casting the resulting mixed suspension onto a porous, permeable carrier to form a layer thereon laminating a number of said layers if desired and pressing and then heat curing the resulting plate-like body.
Patent CA-1110213-A (CA)
Inventor: ANTHONY JAMES
IPC: B02C2/00
Filed: 1977-08-12
Granted: 1981-10-06
Abstract: LINERS FOR CRUSHER     ABSTRACT         A wear resistant lining for the inside wall of the bottom shell of a gyratory crusher which includes a plurality of flat plates made out of wear resistant steel plate and having a generally trapezoidal shape and each having a pair of spaced apart holes therein.  The plates are placed on the inside of the bottom shell of a gyratory crusher adjacent to each other to encircle the inside of the bottom shell. The holes in each plate are fitted with universal fittings which permit alignment of fasteners which pass through into a hole in the bottom shell of the crusher to enable the wear resistant plates to be secured to the inside of the shell.
Patent CA-1077418-A (CA)
Inventor: SPOKAS ROMAS B
IPC: F16D13/70
Filed: 1977-08-19
Granted: 1980-05-13
Abstract: ABSTRACT           An improved arrangement of locking apparatus for securing the fulcrum ring of a clutch in adjusted position includes a rotatable cam operable from a readily accessible location for forcing a locking bar radially into engagement with a slotted fulcrum ring; a wedge shaped nose on the locking bar is preferred for taking up clearance between the bar and slot in order to eliminate hammering or chucking; the nose of the locking bar may have compound inclination for exerting wedging action both radially and parallel to the axis; the wedging and securing of the locking bar is facilitated by the provision of coaxial hexagonal drive lugs adapted for engagement by wrenches.  In addition, an im-proved interlocking drive connection is provided between the finger of a belleville spring and a release sleeve assuring that the sleeve rotates with the spring.
Patent CA-1076479-A (CA)
Title: Concentrated magnesium hydroxide suspensions or emulsions and method for production thereof
Inventor: MITRA ARUN K
IPC: A61K47/12
Filed: 1977-09-13
Granted: 1980-04-29
Abstract: CONCENTRATED MAGNESIUM HYDROXIDE SUSPENSIONS OR EMULSIONS AND METHOD FOR PRODUCTION THEREOF                    ABSTRACT OF THE DISCLOSURE  A pharmaceutically elegant concentrated milk of mag-nesia suspension or emulsion of flowable consistency having as essential ingredients magnesium hydroxide paste and an effective amount of a water soluble pharmaceutically acceptable agent, said agent being an alkali metal or ammonium salt of a phos-phoric acid, an alkali metal or ammonium salt of a polycarboxy-lic acid and/or an alkaline earth salt of a polycarboxylic acid, the effective amount of said agent being such that the composi-tion has a flowable consistency.         A method for making a magnesium hydroxide paste into a composition of flowable consistency wherein the effective amount of the above-mentioned agent is determined, the agent is predis-solved, the paste added thereto and the combination admixture, the    -; resultant mixture having a flowable consistency.
Patent CA-1107911-A (CA)
Inventor: VANCAUWENBERGHE GERARD R
IPC: B01J20/02
Filed: 1977-11-08
Granted: 1981-09-01
Abstract: ABSTRACT        A method of expanding perlite is disclosed wherein expansible particles of perlite are introduced into an expansion apparatus employing a burner using combustible gas in the order of l volume of gas to 2 to 6 volumes of air with oxygen being introduced at the rate of 1.5 to 16% by weight relative to the air.
Patent CA-1102582-A (CA)
Inventor: BARRINGER ANTHONY R
IPC: G01V9/00
Filed: 1977-11-22
Granted: 1981-06-09
Abstract: ABSTRACT OF THE DISCLOSURE            A method of collecting and processing geochemical samples in which particles which are contained on the very surface, or surficial layer of the earth, or of vegetation are collected, and are graded to exclude fine particles below about 50 microns in size.  The particles are stored on a movable tape and are crushed prior to analysis to fracture the particles into fine fragments to facilitate analysis and to render said particles more homogeneous.
Patent CA-1063446-A (CA)
Title: Cattle vise
Inventor: SAWBY KEN
IPC: A61D3/00
Filed: 1978-02-01
Granted: 1979-10-02
Abstract: CATTLE VISE                       ABSTRACT OF THE DISCLOSURE     The invention is a portable cattle restraining apparatus useful in the procedure for trimming an animal's hoofs, while maintaining it docile.  The apparatus clamps the amimal in a manner which imparts lifting force, while at the same time restraining it from movement.          The frame which houses the clamp rotates so as to tilt the animal side-ways, and the completely open bottom of the frame affords unrestricted access to the hoofs of the animal.  The entire frame rests on the ground for maximum stability, but is converted into a trailer by rotation of a jackshaft, thus placing the wheels of the trailer on the ground and raising the frame for transport.  The structure allows a cattle rancher to perform his own hoof trimming operations rather than summoning a specialist.     i
Patent CA-1095261-A (CA)
Inventor: LEONARD RALPH W
IPC: C22B19/20
Filed: 1978-04-03
Granted: 1981-02-10
Abstract: ABSTRACT                  Zinc is removed in a substantially pure form from the dross skimmings of galvanizing baths.  The dross is poured into a mold and solidified.  The solidified mold is then placed on a permeable base and in the substantial absence of agitation, reheated to a temperature of 420 to 700°C to melt out the zinc in an uncontaminated form.
Patent CA-1074544-A (CA)
Inventor: FRANKS GERALD M
IPC: B21D53/26
Filed: 1978-06-12
Granted: 1980-04-01
Abstract: METHOD AND APPARATUS FOR FORMING ONE-PIECE PULLEYS       ABSTRACT OF THE DISCLOSURE         An apparatus and method are provided for forming a pulley having at least two grooves from a cup-shaped metal blank having an axially extending sidewall.  The blank is rotated about its longitudinal axis and is crushed between axially closing dies, As the blank is being crushed, a rough forming roll is translated radially into contact with the outer periphery of the cup and applies forming pressure at at least two axially spaced zones.          A finish forming roll is radially aligned with the rough forming roll and is translated radially toward the outer periphery of the cup.  The rough and finish forming rolls are carried by cam-actuated slide assemblies arranged to move the rough roll into the blank wall in advance of the finish roll in a working opera-tion so as to partially form a pulley groove and to maintain the finish roll in the partially formed groove during an idling opera-tion.  Therefore, the rough roll is disengaged from the partially formed pulley groove and the finish roll is advanced to the root of the partially formed groove and into a working operation to form the finish groove.  During the rough and finish rolling operations, the cup is unsupported interiorly at least in the area between adjacent pulley grooves.
Patent CA-1098426-A (CA)
Inventor: BENFORD JAMES G
IPC: B22D7/00
Filed: 1978-06-16
Granted: 1981-03-31
Abstract: ABSTRACT        A process for producing electromagnetic silicon steel having a cube-on-edge orientation.   The process includes the steps of:  preparing a melt of silicon steel, casting a strip of said steel, hot rolling, cold rolling, decarburizing, and final texture annealing.  The cast strip has a thickness of from 0.15 to 1.0 inch.
Patent CA-1066727-A (CA)
Inventor: GREENSTREET JAMES G
IPC: A47B91/12
Filed: 1978-12-11
Granted: 1979-11-20
Abstract: Abstract of the Disclosure This invention is related to a vibration isolating surface protector having high traction properties. A soft compliant substantially platelike foam cushion is bonded to a sub-stantially rigid backing plate and the periphery of the cushion has an integrally coated compliant membrane.           When an axial or oblique force is applied to the backing plate surface remote from the cushion, the cushion and membrane compress, yielding extraordinary traction properties.
Patent CA-1131103-A (CA)
Title: Method for cleaning metal parts and parts  cleaned thereby
Inventor: CHASTEEN JACK W
IPC: C23G5/00
Filed: 1979-01-29
Granted: 1982-09-07
Abstract: METHOD FOR CLEANING METAL PARTS    AND PARTS CLEANED THEREBY                 Abstract of the Disclosure The  method  for  cleaning  damaged  metal  parts, particularly  crack  damaged  gamma  prime  hardened  nickel alloy parts, in order to render them repairable by brazing. The method makes use of thermal decomposition products of a fluorocarbon resin as the primary cleaning material.  A reducing gas such as hydrogen may be present.  The cleaned part has a surface layer free of oxides and depleted of aluminum and titanium.  It is brazable.
Patent CA-1089261-A (CA)
Title: Screwdriver
Inventor: COURNOYER ROGER
IPC: B25B15/00
Filed: 1979-02-16
Granted: 1980-11-11
Abstract: A B S T R A C T     A screwdriver comprising a shank, a conventional screw driving head projecting from one end of the shank and in alignment therewith and characterized by an auxiliary screw driving head including a pair of auxiliary screw driving bits projecting from opposite sides respectively relative to the shank and angularly arranged relative to each other whereby a screw with a limited overhead space may be screwed by alternative engagement of the auxiliary screw driving bits with the head of the screw and progressive complementary rotation of the auxiliary bits.  The latter are angularly arranged at different angles re1ative to the shank each as seen in front view.  Thus for slotted head screw the auxiliary ribs are angularly offset one relative to the other by an angle of preferably 90° between them as seen in front view to complementarily produce a rotation of 180°.  For an allen screw or phillips screw the auxiliary bits are similarly offset by preferably 45° to complementarily produce a rotation of 90°.
Patent CA-1124816-A (CA)
Inventor: LEUNG CHUN-KEUNG
IPC: F02P5/145
Filed: 1979-03-09
Granted: 1982-06-01
Abstract: WARM-UP CONTROL FOR A CLOSED LOOP      ENGINE ROUGHNESS CONTROL            ABSTRACT           A warm-up  control  for  a closed  loop engine roughness control responsive to engine load and engine temperature  is disclosed herein.   The warm-up control provides a first correction signal to the closed loop engine  roughness  control  operative  to  increase  the effective value of the roughness signal in response to a signal indicative of a load being applied to the engine and the engine temperature being below d predetermined temperature and a second correction signal to the closed loop engine roughness control operative to decrease the effective value of the roughness signal in response to a signal indicative of a light engine load and the engine temperature being below a predetermined temperature.  The control also generates a transient signal in response to a sudden increase of the engine's load operative to cause the closed loop engine roughness control to generate a fixed output signal for a predetermined length of time. The fuel control computer in response to the fixed output signal generates signals increasing the fuel delivery to the  engine  to  prevent  the  engine  from  stumbling  or stalling with the application of the load.
Patent CA-1113000-A (CA)
Inventor: CHA CHANG Y
IPC: E21B43/24
Filed: 1979-04-04
Granted: 1981-11-24
Abstract: Abstract of the Disclosure An in situ oil shale retort containing a fragmented permeable mass of formation particles containing oil shale is formed in a subterranean formation containing oil shale.  To retort oil shale in the retort, a primary combustion zone is established in the fragmented mass.  A primary combustion zone feed containing oxygen is introduced to the primary combustion zone for advancing the primary combustion zone through the fragmented mass.  A secondary combustion zone is established in the fragmented mass on the trailing side of the primary combustion zone.  A retort feed mixture is introduced into the secondary combustion zone.  The retort feed mixture contains sufficient fuel and oxygen for maintaining the secondary combustion zone and for forming a primary combustion zone feed containing oxygen for advancing the primary combustion zone through the fragmented mass.
Patent CA-1134341-A (CA)
Title: Catalyseurs a base d'argent pour la production  d'oxyde d'ethylene
Inventor: COGNION JEAN-MARIE
IPC: B01J23/50
Filed: 1979-04-27
Granted: 1982-10-26
Abstract: : De nouveaux catalyseurs de synthèse de l'oxyde d'éthylène par oxydation en phase vapeur de l'éthylène par l'oxygène ou par un mélange gazeux en contenant, sont obtenus par traitement thermique en atmosphère inerte réductrice ou oxydante de supports réfractaires imprégnés par des complexes de sels d'argent avec des iminoéthers cycliques ou des alkyloxyimines cycliques. Les catalyseurs de l'invention sont très actifs et ont une sélectivité qui est élevée en oxyde d'éthylène et peu influencée par la teneur en CO2 dans les réactifs et par l'augmentation de productivité.
Patent CA-1100856-A (CA)
Inventor: CHEMIZARD ANDRE
IPC: B60C3/08
Filed: 1979-06-05
Granted: 1981-05-12
Abstract: ABSTRACT OF THE DISCLOSURE :           A spare tire which is expandable by inflation, having a radial carcass reinforcement anchored to at least one bead ring in each bead and having a tread reinforcement formed of at least two plies of cables which are parallel in each ply and crossed from one ply to the next and form acute angles with the longitudinal direction of the tire, is improved due to the fact that the plies are composed of cables whose elasticity decreases as the inflation pressure increases and as the tire passes from the collapsed condition to the expanded condition ready for travel.
Patent CA-1142250-A (CA)
Title: Method for the manufacture of light emitting and/or photodetective diodes
Inventor: BENSAHEL DANIEL
IPC: H01L21/205
Filed: 1979-06-07
Granted: 1983-03-01
Abstract: ABSTRACT OF THE DISCLOSURE A method for the manufacture of light emitting and/or photodetective diodes, which comprises the following operations: a) providing a semiconductor MgxZnl-xTe substrate, b) treating the substrate to incorporate a doping element therein, c) applying a layer of conductive material to the substrate and treating the applied layer to create a compensated layer having high resistivity in the substrate, d) implanting ions on a first face of the compensated semiconductor substrate with sufficient energy to create two zones therein, a trapping zone in the semiconductor surface having a thickness less than the layer of high resistivity material, and in insu-lating zone above the trapping zone, e) forming conductive contacts on a second face of the substrate.
Patent CA-1097232-A (CA)
Inventor: SCHUETZ UDO
IPC: B65D77/06
Filed: 1979-06-13
Granted: 1981-03-10
Abstract: Abstract A pallet container for the transport of liquids, comprises an inner container of synthetic resin supported at its lower, rounded edges on a correspondingly profiled ring of foamed plastic, e.g., styrofoam.  The inner container is disposed in an outer shell of sheet metal with a bottom and a lid and with recesses to provide access to the filling and outlet openings of the inner container.  The side walls of the sheet metal shell are prestretched between rounded corners of the shell to form supporting columns for stacked pallet containers.  A steel tube pallet is welded to the bottom of the shell and comprises a lower tubular steel frame and an upper tubular steel frame welded together at the corners by profiled metal plates and in the middle of the straight sides by small supporting tubes.  The outer sheet metal shell has upwardly and downwardly extending rims which receive respect-ively the lower and upper tubular steel frames of the pallet, the pallet being welded to the bottom of the container.
Patent CA-1135068-A (CA)
Inventor: ALLEN HERBERT
IPC: B67B7/04
Filed: 1979-07-17
Granted: 1982-11-09
Abstract: ABSTRACT OF THE DISCLOSURE            The invention pertains to an apparatus for extracting a cork from a bottle comprising a cork-engaging member, including a corkscrew, and a holder for aligning and guiding the corkscrew, via its own diameter, with respect to the bottle.  The cork-engaging member is completely removable from the holder for in-dependent use, and to permit the corkscrew point to be used to sever the metal foil, which covers the bottle top, and both the holder and cork engaging member to be more easily cleaned.  The holder includes a plurality of longitudinally extending circum-ferentially spaced, radially deflectable gripping elements con-nected to and spaced downwardly from a guide which receives the corkscrew, and are all appriximately equally resiliently biased to a normal unflexed radial position.  The corkscrew itself is improved by the provision of an outer layer of friction reducing material such as a tetrafluoroethylene or other suitable plastic. Additionally, the tip portion of the corkscrew is formed in an improved manner which prevents fragments of cork from breaking off and falling into the bottle even though the screw is driven completely through the cork.  Also disclosed is an improved method of making such a corkscrew.