baber/WOPTO huggingface dataset:
Patent CA-1048541-A (CA)
Inventor: WOODS EDWARD G
IPC: C07B61/00
Filed: 1976-04-05
Granted: 1979-02-13
Abstract: Abstract of the Disclosure Chloro alkyl nitriles containing from about 3 to about 7 carbon atoms, such as chlorobutyronitrile, are produced in high purity by reacting the corresponding bromochloro alkane, typically 1-bromo-3-chloropropane, with alkali metal cyanide or alkaline earth metal cyanide in an aqueous system in the presence of catalyst of the formula (R)4MX wherein M is a Group V-A element; one, two or three of the R groups are lower alkyl having from 1 to about 4 carbon atoms, or phenyl; each of the other R groups is alkyl having from 2 to about 20 carbon atoms, or phenyl; X is a compatible anion such as chlorine, iodine, or bromine atom or a hydroxyl group.  Such catalysts, especially tributyl methyl ammonium chloride, bromide, or iodide are effective during the reaction and are readily removed from the product after the reaction.  O?ganic phase product from this reaction is purified in a sequence of several steps.  Preferably, it is washed with water to remove at least a part of the residual catalyst present therein.  Then the washed product is subjected to distillation to remove unreacted bromochloro alkane.  After distillation, contaminant bromo alkyl nitrile is converted to chloro alkyl nitrile by a reaction with a water soluble chloride salt in the presence of catalyst of the fore-going type, additional catalyst being added if necessary. Following the last reaction, the aqueous and organic phases are separated removing the bromine as the bromide counterpart of the water soluble chloride salt used in the last rea??ion and the product is again washed with water to remove at least part of the catalyst used in the purification reaction.
Patent CA-1066192-A (CA)
Inventor: OHNO SHIGERU
IPC: A61K47/30
Filed: 1976-04-14
Granted: 1979-11-13
Abstract: ABSTRACT OF THE DISCLOSURE     Solid pharmaceutical dosage forms of the sustained re-lease type are coated with a coating material composed of an aqueous dispersion of a high molecular weight organopolysiloxane and a water-soluble cellulose derivative in the absence of any organic solvent.  The solid dosage forms have an excellent pro-perty of highly controllable sustained release in a wide range.
Patent CA-1077168-A (CA)
Inventor: TAKAHASHI KATSUMASA
IPC: G11B5/588
Filed: 1976-05-28
Granted: 1980-05-06
Abstract: ABSTRACT OF THE DISCLOSURE           A rotary head assembly, for example, for recording and/ or reproducing video signals on a recording tape which is wrapped about at least a portion of the periphery of a tape guide drum.          A head member is secured to the other ends of the resilient canti-levered support arms so that centrifugal movement of the head member through a gap of the guide drum thereby to engage with the tape wrapped about the drum and is resiliently resisted by flexing of the cantilevered support arms.  The rotary assembly includes a support moved in a circular path concentric with the guide drum, for example, by being secured to a rotated part of the guide drum.       The support has a radially outward directed portion and parallel, resilient cantilevered support arms which are secured at one end to the radial body portion at spaced apart locations along the latter so as to extend from such body portion substantially at right angles to the latter.
Patent CA-1045081-A (CA)
Inventor: COPPING KEITH P
IPC: B29C41/00
Filed: 1976-06-04
Granted: 1978-12-26
Abstract: ABSTRACT         A novel rib lattice structure for a substantially flat surface in a thin-walled plastics article.  The lattice structure comprises a network of ribs integral with a wall and consists of a plurality of trunk ribs radiating outward from a point of injection at equal angles to each other, said trunk ribs being supplemented with ribs branching out in opposing pairs at equal intervals along the trunk ribs, each branch rib from a trunk rib proceeding on a line parallel to the adjacent trunk rib on the same side and intersecting branched ribs from the said adjacent trunk rib whereby said trunk and branch ribs interact to form a plurality of discreet rhomboidal web segments, each web segment entirely bounded by ribs being of substantially uniform size and shape.
Patent CA-1071610-A (CA)
Title: Copolymerized silica hydrosol bound cracking catalyst
Inventor: ELLIOTT CURTIS H JR
IPC: B01J29/08
Filed: 1976-06-15
Granted: 1980-02-12
Abstract: COPOLYMERIZED SILICA HYDROSOL    BOUND CRACKING CATALYSTS              Abstract of the Disclosure A process for modifying the silica hydrosol used to bind zeolite clay catalysts by adding salts of titania, zirconia, iron or ceria to the silica hydrosol in the course of preparation is disclosed.  This addition alters the physical characteristics of catalyst when titania and zirconia salts are added and alters the matrix activity when quadrivalent cerium salts or iron salts are added to the silica hydrosol.  Zeolite materials are useful as hydrocarbon cracking catalysts.
Patent CA-1081192-A (CA)
Inventor: BERG ROBIN L
IPC: E01B21/02
Filed: 1976-06-28
Granted: 1980-07-08
Abstract: LIQUID COLLECTION SYSTEM FOR RAILROAD ROADBEDS     Abstract A liquid collection system for a railroad roadbed com-prising a suitable number of central collector pan sections and of pairs of lateral collector pan sections, all preformed of plastic.  The central sections are configured for insertion between the rails, to be retained there by their own resilience, and the lateral sections are secured by back filling or by fastening to mud sills.  The pans cooperate at their ends to define cross apertures through which liquid collected in them may be discharged into a suitable number of plastic cross drains connected by suitable conduits to a storage area. The upper surfaces of the sections may be made anti-skid in molding them, and longitudinal and transverse curbs are provided to prevent liquid once collected from escaping, and to prevent inflex of undesired liquid.  Gridwork is provided to cover the cross apertures, and a walkway of the same material may also be provided to extend the full length of the system.
Patent CA-1068050-A (CA)
Inventor: FLEIG HELMUT
IPC: C08K5/17
Filed: 1976-08-18
Granted: 1979-12-11
Abstract: ABSTRACT OF THE DISCLOSURE       A thermoplastic molding composition based on homopolymers and co-polymers of styrene containing up to 50% by weight of comonomers, which contains as flameproofing agent an organic bromine compound of the general formula   where X is a divalent aliphatic, aromatic, cycloaliphatic or araliphatic radical of up to 12 carbon atoms and n is 0 or 1.  These bromine compounds have a very low volatility and a melting point of above 200°C.  The bromine content of the molding composition is from 0.1 to 5% by weight, based on the total weight of the molding composition.  The composition may be used for the manufacture of self-extinguishing moldings, e.g. foams.
Patent CA-1075223-A (CA)
Title: Poly (arylene sulfide) antifriction composition
Inventor: NEEDHAM DONALD G
IPC: C08L1/00
Filed: 1976-09-08
Granted: 1980-04-08
Abstract: POLY(ARYLENE SULFIDE) ANTIFRICTION COMPOSITIONS                 Abstract of the Disclosure Antifriction compositions useful for bearings comprising poly(arylene sulfide), a solid lubricating component, a reinforcing material and a filler in which the commonly employed antimony trioxide filler is replaced in whole or in part by a replacement filler of calcium carbonate, titanium dioxide, barium sulfate, hydrated aluminum silicates, red iron oxide, carbon black or diatomaceous earth, compatible with the other components.
Patent CA-1064556-A (CA)
Title: High voltage fuse with outer, heat-shrinkable, leakage-path-increasing sleeve
Inventor: SCHMUNK E WILLIAM
IPC: H01H85/165
Filed: 1976-10-01
Granted: 1979-10-16
Abstract: ABSTRACT:  A cylindrical sleeve having annular flange is formed of irradiated terpolymers of ethylene, propylene, and a diene monomer (EPDM) material.  The sleeve is then expanded, but the irradiated EPDM material has a "memory" which tends to cause it to return to its original dimension when heated to a predetermined elevated temperature.         The expanded sleeve is positioned over the body of a current limiting fuse and heated so that the sleeve shrinks back to tend to assume its original dimension thereby sealing the sleeve around the body of the fuse.  The inside surface of the sleeve may be coated with a thermosetting plastic sealing coating which softens at the elevated temperature further aiding in sealing between the fuse body and the sleeve.  The sleeve may be heated in a vacuum oven to ensure that air is not trapped between the body of the fuse and the sleeve.
Patent CA-1070558-A (CA)
Inventor: GATES ALBERT G R
IPC: B41L13/14
Filed: 1976-10-27
Granted: 1980-01-29
Abstract: A B S T R A C T             For the purposes of removing a used stencil or an ink screen from the cylinder(s) of a duplicator, a rotatable core alongside the duplicator cylinder is driveable by a drive transmission from the main duplicator drive, by way of a freewheel clutch such that the core is driven only when the duplicator cylinder is rotated in the reverse direction as compared with the normal direction of rotation during printing, and also by way of a friction-slip connection arranged such that with no slip the peripheral speed of the core is higher than that of the duplicator cylinder along which it is mounted.
Patent CA-1086131-A (CA)
Inventor: GUNDLACH ROBERT W
IPC: G03G15/16
Filed: 1977-03-02
Granted: 1980-09-23
Abstract: ABSTRACT OF THE DISCLOSURE         Transfer assembly for electrostatic transfer of an electrostatically adherent toner image from a curvilinear surface of an electrostatographic copier to a receiving sheet.  This device is especially designed for facilitating the transfer of toner images to relatively inflexible papers and card stock, and is highly compatible with vacuum stripping assisted removal of the receiving sheet from the curvilinear surface subsequent to toner transfer.
Patent CA-1062547-A (CA)
Inventor: CICIN-SAIN YVO
IPC: E01B29/10
Filed: 1977-03-04
Granted: 1979-09-18
Abstract: ABSTRACT OF THE DISCLOSURE The invention is a method of and apparatus for continuously laying sleepers at permanent positions at predetermined intervals on a bed of ballast for a railway track, by means of a vehicle travelling along the track, which method comprises feeding each sleeper in turn from a stock of sleepers to a laying mechanism where the sleeper is held a little above the level of the bed of ballast, removing vertical support from beneath the sleeper at a position in advance of the intended permanent position of the sleeper so that the sleeper falls onto the bed of ballast in advance of its intended perm-anent position, drawing the sleeper along the bed of ballast until it reaches its intended permanent position and then completely releasing the sleeper in its intended permanent position.  The invention permits the sleepers to be laid with greater accuracy than when using prior apparatus.
Patent CA-1108321-A (CA)
Inventor: RAST ROBERT M
IPC: H03J7/06
Filed: 1977-05-09
Granted: 1981-09-01
Abstract: FREQUENCY COUNTER FOR A TELEVISION TUNING SYSTEM           Abstract A tuning system for a television receiver includes a local oscillator which is controlled first by a phase lock loop arrangement and then by an AFT discriminator arrangement for tuning the receiver to non-standard as well as standard frequency carriers.  The phase lock loop arrangement includes a programmable divider for dividing the local oscillator frequency by a programmable factor corresponding to the presently selected channel.  When the local oscillator is being controlled by the AFT discriminator arrangement, the count accumulated by the programmable divider during a reference interval determines how far the local oscillator frequency has drifted from its nominal value.  If a predetermined frequency offset has been exceeded, control is returned to phase lock loop control and the programmable factor is incrementally changed.
Patent CA-1077032-A (CA)
Inventor: BARKER SIDNEY A
IPC: C13K11/00
Filed: 1977-06-15
Granted: 1980-05-06
Abstract: ABSTRACT OF THE DISCLOSURE         A process for the treatment of a mixture comprising one or more sugars and oxyanions to separate a sugar or a sugar mixture therefrom wherein the ion-containing mixture is treated with an ion-exchange resin.  The process may comprise treat-ment of the ion-containing mixture with a cationic exchange resin having thereon monovalent counterions or a mixture of divalent counterions and hydrogen ions or with first a cationic exchange resin having thereon hydrogen ions and then second with an anionic exchange resin having thereon monovalent or divalent counterions.  The process is very useful in the production of fructose-containing syrups.
Patent CA-1089484-A (CA)
Inventor: CHEN MARK C
IPC: C08K5/52
Filed: 1977-06-20
Granted: 1980-11-11
Abstract: ABSTRACT           Bis(5-norbornene-2-methyl) phosphite, tris(5-norbornene-2-methyl) phosphite, and tris(5-norbornene-2-methyl) phosphate, as well as a mixture of the above esters are novel compositions of matter, useful as antiozonants in chloroprene copolymers and in blends of chloroprene polymers with diene rubbers.
Patent CA-1090619-A (CA)
Inventor: HEYER BRUCE A
IPC: C22C38/00
Filed: 1977-10-17
Granted: 1980-12-02
Abstract: ABSTRACT OF THE DISCLOSURE               A cast iron alloy of about (% by weight) 1.6 carbon, 2 nickel, 2 molybdenum, 28 chromium and up to 1 copper, balance iron, and characterized by chromium and molybdenum carbides dispersed in an austenitic matrix.  The cast iron alloy of this invention is used in castings that are resistant to chemical attack as well as abrasive wear.  These castings are especially suitable for use in pump parts such as housing, vanes, impellers, etc.
Patent CA-1084778-A (CA)
Inventor: HETMAN FRANK W
IPC: B32B1/00
Filed: 1977-10-21
Granted: 1980-09-02
Abstract: TITLE: THERMALLY INSULATED AND CONNECTED WINDOW        FRAME CONSTRUCTION               ABSTRACT OF THE DISCLOSURE         A thermally insulated and connected window frame construction including first and second frame members having interfitting spaced portions with voids therebetween.          An initial web portion connects the first and second frame portions.  The inner surfaces of the frame members are coated with a bond inhibitor such as talcum powder.  A plastic resin is applied into the voids between the inter-fitting frame portions.  The resin is then allowed to "set" and following that the initial web portion is removed with the sole connection of the frame members being the resinous material with the frame members freely slidable upon the bond inhibitor during expansion and construction of the frame members.         The frame construction may be given structural integrity by inserting an elongated strip of material which extends into the voids between the frame members prior to the applying the resin, the strip of material is also coated with a bond inhibitor prior to the application of the resin.
Patent CA-1112024-A (CA)
Inventor: LEVERENZ MELVIN E
IPC: B01D29/00
Filed: 1978-01-31
Granted: 1981-11-10
Abstract: IMPROVED SALT DISSOLVER            Abstract of the Disclosure An improved salt dissolver for producing a uniform supply of a concentrated salt solution incorporating a novel filter and collector manifold assembly adjacent to the base of a tank adapted to be filled with bulk quantities of a soluble salt compound.  The filter and collector manifold arrangement provides for high solution flow rate and facilitates replace-ment of the tubular filter element as may be required or de-sired from time to time.
Patent CA-1078746-A (CA)
Inventor: NAGAOKA TADASHI
IPC: G11B3/095
Filed: 1978-02-14
Granted: 1980-06-03
Abstract: A REPRODUCING APPARATUS FOR            A DISK-SHAPED RECORDING MEDIUM          ABSTRACT OF THE DISCLOSURE         A reproducing apparatus for a disk-shaped recording medium, wherein a pickup detects signals from a rotating disk-shaped recording medium in contact with the latter.  The reproducing apparatus is so constructed that vertical and horizontal movements of the pickup can be selectively made by actuating only one control knob, and that the horizontal movement of the pickup is prevented when the latter is in contact with the disk-shaped recording medium, even if the control knob is erroneously or accidentally actuated.
Patent CA-1097106-A (CA)
Title: Vis
Inventor: ROGGER ALPHONS
IPC: F16B5/02
Filed: 1978-03-02
Granted: 1981-03-10
Abstract: Vis comprenant un évidement destiné à recevoir un outil, une portion courte, épaisse et filetée, une portion fine filetée et une portion conique de transition munie d'un filet de même pas que les deux autres portions. La portion conique de transition porte des rainures à copeaux qui présentent, chacune, une arête de coupe pour que, grâce au découpage du copeau, l'effet de refoulement du matériau dû à la portion filetée de plus grand diamètre soit réduit ou éliminé.
Patent CA-1090721-A (CA)
Inventor: JENSEN KNUD GAERUMVEJ FREDERIK
IPC: E03F7/06
Filed: 1978-05-05
Granted: 1980-12-02
Abstract: ABSTRACT OF THE DISCLOSURE      The invention concerns a blocking device for obstructing the opening of an inlet pipe in a sewer manhole, so that rats and like rodents are restrained.  The blocking device comprises a ball or pear-shaped floatable blocking body for automatic blocking of the pipe opening by gravity when there is no flow of waste material into the manhole, said blocking body being pivotally suspended from a supporting means which by means of a tightening member is secured above the pipe opening by being wedged between opposite wall portions of the manhole. The blocking device also has a stopping means for limiting the penetration depth of said blocking body in the inlet pipe.
Patent CA-1085857-A (CA)
Inventor: CARLSON GLENN R
IPC: A01N43/40
Filed: 1978-07-04
Granted: 1980-09-16
Abstract: Abstract of the Disclosure Compounds of the formula   wherein R1 is alkyl, R2 is carboxy, carboxylate, or carbalkoxy R3 is hydrogen or alkyl, R4 is hydrogen, alkyl, or halogen and R5 is optionally substituted aryl, are active as plant growth regulators, and particularly as chemical gametocides.
Patent CA-1106919-A (CA)
Title: Method and device for determining the phase intercept  in a system employing phase-shift keying modulation
Inventor: DESBLACHE ANDRE E
IPC: H04L27/227
Filed: 1978-07-21
Granted: 1981-08-11
Abstract: Abstract A method and device for measuring the slope of the envelope delay characteristic of a transmission channel and deriving the phase intercept value therefrom. A measurement signal having a frequency spectrum including three rays at frequencies f0, f1 and f2 is sent over the transmission channel f0 is the carrier frequency and fre-quencies f1 and f2 are defined as f1 ? f0 - 1/2T and f2 ? f0 + 1/2T, where 1/T is the signaling rate. At the output of the channel, the three components at frequencies f0, f1 and f2 are extracted from the received measurement signal, and the instantaneous phases ?0, ?1 and ?2 of these three components are then measured. The value of the slope S of the envelope delay characteristic is obtained in ac-cordance with the relation   where ??, ?? and ?? are the phases of the three rays at frequencies f0, f1 and f2 of the measurement signal sent over the channel. The value of the phase intercept ?i for a given sampling phase ?s is determined in accordance with the relation ?i ? ?o - K S where ?i is the phase of the component at frequency f0 received at the instant   K is a proportionality constant lying between 0 and 1, and S is the slope expressed in milliseconds.
Patent CA-1098545-A (CA)
Inventor: IMAIZUMI MASAO
IPC: C07C29/04
Filed: 1978-07-27
Granted: 1981-03-31
Abstract: A METHOD FOR CONTINUOUSLY PRODUCING TERT-BUTYL ALCOHOL          Abstract of the disclosure A continuous method for producing tert-butyl alcohol from water and isobutylene in the presence of a strongly acidic cation exchange resin as a catalyst, is characterized by; said catalyst particles being filled in a reactor, a liquid isobutylene being continuously brought into contact with water such that said liquid isobutylene is filled in a continuous phase in the gaps between said catalyst particles, and that water streams downwardly along the surface of said catalyst particle and subsequently the reaction mixture being continuously taken out from-the reactor.  According to the method of this invention, tert-butyl alcohol is obtained in a high yield, with little formation of by-products.
Patent CA-1102285-A (CA)
Inventor: CADILE JOSEPH V
IPC: B63B27/00
Filed: 1978-08-16
Granted: 1981-06-02
Abstract: SEISMIC STABILIZED HIGH-RAIL CRANES               ABSTRACT OF THE DISCLOSURE          Cranes for polar or linear movement on highly elevated rails or runways as, for example, on the circular top of a con-tainment tower building for a nuclear reactor and/or on the high-ly elevated linear tracks on top of the parallel walls of the turbine room adjacent such a containment tower, hereinafter some-times called high-rail cranes, which cranes, if not protected against earthquack shocks as transmitted and amplified by such towers and walls,could be injured and caused to drop their loads or trolleys or fall bodily from their supporting rails or runways.          Such a calamitous failure would likely cause catastrophic damage to the nuclear reactor, and/or the fuel vessel or cask, with probable release of dangerous radiation, hopefully to be confined within the tower if it too has not been injured and breached.         Protection against such earthquake shocks and failures is provided in many forms of my invention by one or more horizon-tal structural members which comprise a seismic stabilizer or more than one seismic stabilizer and which connects or connect the bridge girders of the crane with the said rail or runway at points spaced or remote from the ends of the crane.  In connect-ing the crane bridge girders with the building runway by the stabilizer, the natural resonant frequency of the crane bridge girders is increased due to more points of restraint and due to increasing the effective stiffness of the girders by the seismic stabilizer or stabilizers.          The seismic stabilizers add restraint points to the, span of the bridge girders, and consequently change the resonant response of the girders from the first mode shape of the natural resonant frequency of unstabilized girders to higher mode shapes resulting in higher frequencies.  This prevents the girders from resonating with the seismic frequency of the earthquake shock and preserves the crane, its load and the trolley, as well as the tower and its contents including the reactor.         In other forms of my invention, the bridge girders them-selves may take self-stabilizing forms such as Y or T forms as viewed in horizontal plan, having at least three points of support on their supporting circular rails in the first instance.
Patent CA-1149934-A (CA)
Inventor: TAKENAKA TAKASHI
IPC: G11B27/34
Filed: 1978-08-24
Granted: 1983-07-12
Abstract: ABSTRACT OF THE DISCLOSURE         A tape controller for a tape recorder has a running tape counter for measuring the passage of a tape, and a digital microprocessor incorporating a memory for storing preselectable position information representative of a desired position on the tape and decision logic circuitry for determining whether the output of the tape counter and the output of the memory agree and providing an output for altering the operational state of the tape recorder apparatus.