baber/WOPTO huggingface dataset:
Patent CA-1322629-C (CA)
Inventor: BANYAI BRUCE E
IPC: C22B1/244
Filed: 1988-06-28
Granted: 1993-10-05
Abstract: BINDER FOR METAL-CONTAINING ORES                   Abstract of the Disclosure A binder composition useful for agglomerating an ore in the presence of water, that contains about 10% to about 90% of a water-soluble cellulose derivative and about 5% to about 90% of sodium tripolyphosphate or tetrasodium pyrophosphate, and a process for agglomerating an ore comprising mixing the above binder composition containing a water-soluble cellulose derivative, water, and the ore, agglomerating the mixture into wet balls, drying the wet balls, and heating the resultant dry balls at a temperature of at least about 1204°C.
Patent CA-1330660-C (CA)
Title: Kynurenic acid derivatives useful in the treatment of neurodegenerative disorders
Inventor: LEESON PAUL
IPC: A61K31/535
Filed: 1988-08-09
Granted: 1994-07-12
Abstract: ABSTRACT            KYNURENIC ACID DERIVATIVES USEFUL IN THE TREATMENT OF                NEURODEGENERATIVE DISORDERS   4-Oxo-1,4-dihydroquinoline compounds having a 2-acidic group or a group convertible thereto in vivo, and their pharmaceutically acceptable salts, are potent specific antagonists of N-methyl-D-aspartate (NMDA) receptors and are therefore useful in the treatment of neurodegenerative disorders. 4-Oxo-1,4-dihydroquinoline compounds having a 2-acidic group or a group convertible thereto in vivo, other than carboxy or C1-6 alkoxycarbonyl, are novel compounds, as also are compounds of formula II       (II) wherein R2 represents carboxy or a group convertible thereto in vivo, R6 is hydrogen and R5 and R7 represent C1-6 alkyl or halogen, provided that R5 and R7 are not simultaneously chlorine or simultaneously bromine; a process for preparing the novel compounds is described, as also are pharmaceutical compositions containing the novel compounds.
Patent CA-1335283-C (CA)
Title: Method and apparatus for producing pressure variations in a drilling fluid
Inventor: KITSIOS EFSTATHIOS E
IPC: E21B21/00
Filed: 1988-08-18
Granted: 1995-04-18
Abstract: Pressure variations are produced in a stream of drilling fluid in a drill string within a borehole by establishing a cyclic fluidic oscillation in the stream of drilling fluid in two outlet flows emerging from a Coanda type of fluidic oscillator and amplifying the oscillating flow of drilling fluid to establish a series of high pressure gradients in the drilling fluid by receiving a first outlet flow from the fluidic oscillator in a radial inlet of a fluidic vortex amplifier.  The fluidic oscillator and amplifier are mounted in a bottom hole assembly of the drill string which carries a drill bit.  A second outlet flow from the fluidic oscillator is received in a tangential inlet of the fluidic vortex amplifier, a flow from the central outlet of the fluidic vortex amplifier being directed towards the bottom of the borehole.  A frequency of the pressure variation is tuned to a resonant frequency of the drill string by adjusting the rate of flow of drilling fluid through the fluidic oscillator and amplifier.
Patent CA-1303288-C (CA)
Title: Water dispersible polyamide diethalonamine ester
Inventor: BORNACK WALTER K JR
IPC: C08G69/44
Filed: 1988-08-24
Granted: 1992-06-09
Abstract: SKP:837 WATER DISPERSIBLE POLYAMIDE DIETHANOLAMINE ESTER                 Abstract of the Disclosure The  present  invention  comprises a water dispersible polyamide diethanolamine ester, having the following general structure:       wherein x is an integer of 0-5; R1 is independently at each occurrence an an aliphatic group of up to 40 carbon atoms or polyamide segment; R2  is  independently at each occurrence -B-NH-?-B (where B is an aliphatic group of up to   10 carbon atoms) or -(CH2CH2-O-?-E)2 where E is an aliphatic  group of  up  to 10 carbon atoms or the residue of a cyclic carboxylic anhydride bearing at least one free carboxyl  group;  R3 =  -CH2CH2-O-?-E.     The product polyamide resin of the present  invention comprises a mixture of monobasic and polybasic carboxylic acids, polyamines, DEA and cyclic carboxylic anhydrides.  These resins may be used in various compositions including inks and laminates.
Patent CA-1339577-C (CA)
Inventor: FLURY PETER
IPC: C08G59/40
Filed: 1988-08-31
Granted: 1997-12-09
Abstract: Oligomeric cyanoguanidines of formula I                     (see fig.I) wherein, for example, R1 and R2 are each phenyl, R is 1,4-phenylene and n is an integer from 1 to 20, are suitable latent hardeners for epoxy resins. They are readily soluble in solvents suitable for the application of epoxy resins, and the cured products obtained therewith have a high glass transition temperature.
Patent CA-1336415-C (CA)
Inventor: OGURA MASAHIRO
IPC: C12P41/00
Filed: 1988-11-24
Granted: 1995-07-25
Abstract: A process of manufacturing optically active (S) 1,2-diols, wherein (R)-1,2-diols represented by the general formula [I]                   [I]     (where: R represents a substituted or unsubstituted alkyl group, alkenyl group, aryl group or aralkyl group) or a mixture of diols of the general formula  [I] and (S) 1,2-diols represented by the general formula [II]                   [II]            (Where: R represents the same as above) having an opposite configuration to the general formula  [I] is subjected to the action of a microorganism capable of selectively metabolizing the diols of the general formula [I] , or capable of converting the diols of the general formula  [I]  into the diols of the general formula [II] , or having the both capabilities, and the formed and accumulated (S)-1,2-diols of the general formula [          II] is collected.  According to the present invention, optically active (S)-1,2-diols can be produced commercially and advantageously.
Patent CA-1312240-C (CA)
Title: Optical valvulotome
Inventor: MALONEY PATRICK M
IPC: A61B17/22
Filed: 1988-11-24
Granted: 1993-01-05
Abstract: ABSTRACT                    OPTICAL VALVULOTOME        An instrument comprising an elongated control handle having a passage extending therethrough, an elongated flexible catheter body having at least one lumen and a distal end coupled to the control handle and an elongated flexible member extending through the passage and into the lumen and having a distal end portion.  A tool is coupled to the distal end portion of the flexible member, and the tool is capable of performing a medical task within a patient. An elongated flexible image-transmitting member extends through the passage of the control handle and into the lumen.   A position controller is mounted for sliding movement along the control handle and is drivingly coupled to the flexible members so that the axial positions of the tool and the image-transmitting member can be adjusted with respect to the distal end of the catheter body.
Patent CA-1290391-C (CA)
Inventor: JAHNS THOMAS M
IPC: H02M7/5387
Filed: 1988-12-15
Granted: 1991-10-08
Abstract: INTEGRATED CURRENT SENSOR TORQUE    CONTROL FOR AC MOTOR DRIVES          Abstract of the Disclosure A method and apparatus for operating a current-controlled pulse width modulated inverter for driving a polyphase AC load includes using partial current feedback information, obtained from the inverter lower phase-leg switches and flyback diodes only, to regulate current flow in each phase of the load by synthesizing an analog feedback signal from the partial current feedback information.
Patent CA-1332572-C (CA)
Inventor: CERAMI ANTHONY
IPC: A61K8/42
Filed: 1989-01-25
Granted: 1994-10-18
Abstract: ABSTRACT OF THE DISCLOSURE            The present invention relates to methods and agents for preventing the staining of teeth caused by the nonenzymatic browning of proteins in the oral cavity.  Both oral and parenteral administration ft the agents are disclosed.  Suitable agents for the inhibition of nonenzymatic browning may be formulated as rinses and toothpastes, and include compounds capable of reacting with the carbonyl moiety of the early glycosylation product resulting from the initial reaction of a target protein in the nonenzymatic browning reaction.  Preferred agents are those having an active nitrogen-containing substituent, as well as amino acids, their esters and amides. These preparations may further include known anti-plaque agents such as chlorhexidine.
Patent CA-1312763-C (CA)
Title: Apparatus for controlling the load/relief pressures in a calender
Inventor: MASEK JIRI
IPC: D21G1/00
Filed: 1989-02-02
Granted: 1993-01-19
Abstract: APPARATUS FOR CONTROLLING THE LOAD/RELIEF         PRESSURES IN A CALENDER             ABSTRACT OF THE DISCLOSURE            There is disclosed a load/relief apparatus for use in a calender of a papermaking machine having a force transfer member positioned between on upper fluid actuator and two lower spaced apart fluid actuators.  A linking arm is releasably connected to the lower part of the transfer arm spaced between the two lower fluid actuators.  The linking arm is adapted to be connected to a lifting arm for a calender roll.  In operation, the upper fluid actuator exerts a generally linear downward force that is transferred by the transfer member moving downwardly against the linking arm and thereby pushing the lifting arm down.  The lower fluid actuators are adapted to exert a generally upward linear force that is transferred by the transfer member moving upwardly raising the linking arm and the lifting arm.  The linking arm is releasable from the transfer member to permit the linking arm to be lowered beyond the travel associated with the deflation of the lower fluid actuators during normal relief operation.
Patent CA-1311339-C (CA)
Inventor: MILLER WILLIAM H
IPC: B29C48/32
Filed: 1989-02-13
Granted: 1992-12-15
Abstract: Abstract of Disclosure A die assembly is described for causing extrudate to bend without substantially changing the cross sectional shape of the extrudate. The assembly comprises means for mounting a die in spaced relation from a feed channel through which extrudate passes from the extruder, such means including a first part which has a flow channel which has at least one pair of sidewalls which converge from the die in the dir-ection of the extruder.  A second part of the assembly has a feed open-ing for directing extrudate into the flow channel.  Means are provided for varying the length of the pathways which extrudate flows through the flow channel to a pair of opposing sides of the die to cause bend-ing of the extrudate in the direction of the longest pathway as the extrudate exits the die.
Patent CA-1300682-C (CA)
Title: Apparatus for measuring the gas, vapour or aerosol components of a test gas
Inventor: MAY WOLFGANG
IPC: G01N33/00
Filed: 1989-03-02
Granted: 1992-05-12
Abstract: ABSTRACT           An apparatus for measuring the gas, vapour, or aerosol component of a test gas in which the component that is to be indicated is absorbed in a reaction solution and in which on the basis of a reaction between the component and the reaction solution, a change in resistance is determined as a measured value, this being done with the help of electrodes in the reaction solution and with a resistance measuring system, the test gas entering a test chamber through a sealing element that is permeable for the medium to be indicated and impermeable to the reaction solution is to be improved from the point of view of universal applicability and in order to increase the conduct of the measuring process.  According to the present invention, this is done in that the reaction solution is arranged in a test container that can be inserted as a disposable element into the measuring system, so as to be replaceable, this test container accommodating the electrodes and being closed off at at least one end with a sealing element that is permeable for the medium that is to be indicated and impermeable for the reaction solution.
Patent CA-1330436-C (CA)
Title: Water soluble, antineoplastic derivatives of taxol
Inventor: HAUGWITZ RUDIGER D
IPC: A61K31/535
Filed: 1989-03-06
Granted: 1994-06-28
Abstract: ABSTRACT OF THE DISCLOSURE        Antineoplastic  water  soluble  derivatives  of  taxol having the following formula:                   wherein: Z =    ethylene, propylene, CHCH, 1,2-cyclohexane, 1,2-phenylene R1=    OK x base, NR2R3, OR3, SR3, OCH2CONR4R5, OH R2= hydrogen, methyl R3=    (CH2)nNR6R7; (CH2)nN+R6R7R8X n =    1 to 3 R4=    hydrogen, lower alkyl containing 1 to 4 carbons R5=    hydrogen, lower alkyl containing 1 to 4 carbons, benzyl, hydroxyethyl, CH2CO2H, dimethylaminoethyl R6R7=  lower alkyl containing 1 or 2 carbons, benzyl or R6 and R7 together with the nitrogen atom of NR6R7 form the following rings   R8=    lower alkyl containing 1 or 2 carbons, benzyl X =    halide base=  NH3, (HOC2H4)3N, N(CH3)3, CH3N(C2H4OH)2, NH2(CH2)6NH2, N-methylglucamine, NaOH, KOH.        These derivatives have utility  in the treatment of cancer.
Patent CA-1311515-C (CA)
Title: Double-slope wedge
Inventor: SCHWANDA JOSEF
IPC: F16B2/14
Filed: 1989-03-08
Granted: 1992-12-15
Abstract: ABSTRACT OF THE DISCLOSURE           The double-slope wedge comprises two similar wedge halves (1,2) which are subdivided into mutually similar subwedges, which are put together in one piece.  Each wedge half comprises a stack of constituent laminations (5) which are layered one above another and are held together one with another by a type of rivet joint (7,8).  Wedges of this type are especially suitable for wedging the poles (9) on the rotor ring (11) and for wedging the rotor ring on the wheel spider (13) of electrical machines, are economic to produce, and can be easily installed and removed again.
Patent CA-1306670-C (CA)
Inventor: ARONSON ARTHUR I
IPC: A01N63/22
Filed: 1989-03-08
Granted: 1992-08-25
Abstract: ABSTRACT          Corn rootworm infestations can be controlled by inoculating the soil with parasporal-inclusion forming species of Bacillus laterosporus to produce viable populations of that bacteria effective to reduce crop damage.  Viable populations of B. laterosporus can be initiated by application to the soil, of effective amounts of vegetative cells or spores of the organism either in liquid suspensions, or as coatings on seeds or granular substrates.
Patent CA-1338891-C (CA)
Inventor: BEBBINGTON CHRISTOPHER ROBERT
IPC: C12N9/72
Filed: 1989-04-18
Granted: 1997-02-04
Abstract: The  present  invention  relates  to  a  method  for transforming a lymphoid cell line to glutamine independence which comprises: transforming  the  lymphoid  cell  line  with  a  vector containing an active glutamine synthetase (GS) gene; growing the transformed cell line on a medium containing glutamine; and continuing the growth of the transformed cell line on a medium in which the glutamine is progressively depleted or on a medium lacking glutamine, and to vectors and host cells for use in the method.
Patent CA-1319837-C (CA)
Title: Integrated heatable sensor
Inventor: LEHTO ARI
IPC: G01N27/12
Filed: 1989-05-17
Granted: 1993-07-06
Abstract: (57) ABSTRACT OF THE DISCLOSURE            The invention concerns a sensor construction for, e.g., the measurement  of  gas  concentration,  comprising  a  sensor element  (8,  10);  a  heating  element  (11)  arranged  in conjunction with the sensor, with which the sensor element can  be  brought  to  a  temperature  above  the  ambient  gas atmosphere temperature; and an electronics circuitry section (18), with which the desired electrical properties of the sensor element  (8,  10)  can be measured  and the heating element  (11)  of  the  sensor  (8,  10)  can  be  controlled. According to the invention, the sensor element (8, 10) and the electronics circuitry  (18)  are placed onto the same planar substrate, and the substrate (1, 7) is processed to have adjacent openings around the sensor element area (8, 10)  to the immediate vicinity of the area so that the openings (5, 13, 17) extend through the substrate (1, 7), whereby  the  sensor  area  (8,  10)  is  connected  to  the surrounding  part  of  the  substrate  and,  thence,  to  the electronics  circuitry  section   (18),   only  along  thin isthmuses (14) remaining between the openings.            (Figure 1)
Patent CA-1339175-C (CA)
Title: Optical fiber having plastic cladding and process for preparation thereof
Inventor: YAMAMOTO TAKASHI
IPC: C08F234/02
Filed: 1989-05-26
Granted: 1997-07-29
Abstract: A core-cladding optical fiber having a plastic cladding composed of-an amorphous copolymer having a single glass transition temperature of at least 125°C but lower than 140°C is described. The amorphous copolymer comprises (a) units derived from a fluorodioxole represented by the formula [I]: (see fig.I) wherein R and R' are ~luorine or trifluoromethyl, and (b) units derived from at least one monomer selected from tetrafluoroethylene, chlorotrifluoroethylene, Rf - CF = CF2 (in which Rf is a primary fluoroalkyl group having 1 to 5 carbon atoms) and Rg - OCF = CF2 (in which Rg is a primary fluoroalkyl group having 1 to 5 carbon atoms or a primary fluoroalkyl group having 4 to 12 carbon atoms as a whole and oxygen of an ether bond).
Patent CA-1330365-C (CA)
Inventor: KODATE HIDEMI
IPC: G06F19/00
Filed: 1989-06-22
Granted: 1994-06-21
Abstract: ABSTRACT OF THE DISCLOSURE         Storm sewage pumps drain storm water in a pump well. In order to control the storm water pumps, a radar raingage and ground raingages are set.  Measurement data from the radar raingage and the ground raingages are supplied to a data processing unit.  The data processing unit calibrates rainfall distribution data representing a two-dimensional rainfall distribution state obtained by the radar raingage by the measurement data from the ground raingages, and forecasts a rainfall in a predetermined time from the present from several setsof the calibrated rainfall distribution data.  The data processing unit performs runoff analysis corresponding to characteristics of a drainage basin on the basis of the forecasted rainfall to calculate a rainfall flow, thereby forecasting a discharge of storm sewage flowing in the pump well. The data processing unit determines the number of pumps to be operated in consideration of the flow of storm water flowing in the pump well, a water level of a water level gauge, and the number of currently operating pumps, thereby controlling an operation of the storm water pumps.
Patent CA-1334089-C (CA)
Inventor: MA TIT-CHUNG
IPC: G11B33/08
Filed: 1989-07-05
Granted: 1995-01-24
Abstract: The present invention provides a stand for enhancing performance of an audio component, most preferably an amplifier.  The stand comprises a hollow body having a supporting base and tapering upwardly inwardly from the supporting base to a top seating surface for the audio component.  The stand is made from an insulating material for isolating the audio component from the surface on which it is supported through the stand.
Patent CA-1318662-C (CA)
Title: Device for recovering heat
Inventor: LEVEN WITEK
IPC: F28D9/00
Filed: 1989-08-04
Granted: 1993-06-01
Abstract: A B S T R A C T            In  flat  heat exchangers  for ventilating dwellings,  swimming pools, public premises, etc., which are used for air entering and leaving, problems arise when the air entering has low temperature. This results in a cold corner (A) appearing in the heat exchanger and its efficiency thus being reduced.   The object of the present invention is to reduce the effect of the cold corner by introducing throttling means (9) along a number of the channels (3) for air leaving.  The throttling means (9) are of equal size along one and the same channel, but different in the different channels (3),  the channel (3) with the smallest throttling means (9) being located closest to the inlet for the air.
Patent CA-1333991-C (CA)
Inventor: TANAKA SHIGEO
IPC: C23G1/12
Filed: 1989-09-06
Granted: 1995-01-17
Abstract: Abstract of the Disclosure Problems with previously known aqueous acidic rinsing solutions for aluminum after shaping while using surface lubricants are avoided by use of a solution comprising water and (A) orthophosphoric acid in an amount to give a stoichiometric equivalent of 3.0 to 50 g/L as PO4-3,  (B) an aluminum ion sequestrant component in an amount of 0.01 to  10.0  g/L;  and  (C)  20  to  170  ppm  of  ferric  ion. Preferably the solution also contains 0.1 to 1.0 g/L of H2O2, NO2-1 ions, or a mixture thereof to reoxidize ferrous ions formed by reduction of ferric ions during use of the solution and thus maintain the concentration of ferric ions above 20 ppm at all times.  The solution may also contain surfactant and up to 10 g/L of dissolved aluminum ions.
Patent CA-1327990-C (CA)
Inventor: BERTENSHAW DAVID R
IPC: G05F1/455
Filed: 1989-09-08
Granted: 1994-03-22
Abstract: ABSTRACT          ELECTRIC LIGHTING AND POWER CONTROLLERS THEREFOR     In a lighting power controller having  a  controllable switch  (such  as a thyristor), in order to compensate for perturbations in the mains  supply  waveform,  the waveform  is  analysed  and  a  table  is  set  up  of thyristor firing angle against output RMS voltage.  To obtain  a desired output RMS voltage, the thyristor is fired at the angle indicated by the table.
Patent CA-1306221-C (CA)
Title: Fork-lift truck having three drive wheels with third wheel steerable
Inventor: THOMPSON THOMAS K
IPC: B62D61/08
Filed: 1989-09-12
Granted: 1992-08-11
Abstract: FORK-LIFT TRUCK HAVING THREE DRIVE WHEELS WITH THIRD WHEEL STEERABLE                               ABSTRACT A fork-lift truck supported by two front wheels and a rear wheel carried by a dolly assembly.  The dolly assembly is pivoted for movement about a vertical axis and a rack and pinion unit is provided to control the pivoting for steering with the rear dolly wheel.  Hub units are provided in each wheel that include a hydraulic motor and an axially aligned torque hub to obtain the desired traction for each wheel.
Patent CA-1337649-C (CA)
Title: Portable lamp
Inventor: BAAKE KARL A
IPC: F21V25/12
Filed: 1994-08-19
Granted: 1995-11-28
Abstract: A portable electric lamp of explosion-proof construction including an elongated hand grip, an elongated flourescent bulb having a U-shaped light-generating portion supported at one end of the hand grip and a transparent tube positioned about the light-generating portion of the bulb utilizes an elongated tubular protector element positioned about the transparent tube and which cooperates with the hand grip to maintain the transparent tube in position about the light-generating portion of the bulb.  The lamp further includes a power cord routed through the end of the hand grip opposite the light-generating portion and the lamp includes an amount of magnesite base cement positioned in the hand grip and interposed between the light-generating portion and a section of the power cord entering the hand grip.  The lamp further includes a ballast assembly having a ballast interconnected in the power cord at a location remote of the hand grip and wherein the ballast is encased in magnesite base cement.
Patent DK-153143-C (DK)
Inventor: KARJALAINEN ARTO JOHANNES
IPC: C07C217/32
Filed: 1981-05-25
Granted: 1988-10-31
Abstract: A process for the preparation of 1-isopropylamino- 3-[4-(2-methoxyethyl)phenoxy]-2-propanol of the formula <CHEM> comprising the reduction of 4-(methoxyethanoyl)phenol to 4-(1-hydroxy-2-methoxyethyl)phenol, which is reacted with methanol or ethanol at acid conditions to the corresponding 4-(1-alkoxy-2-methoxyethyl)-phenol. This compound is reacted with epichlorohydrine to 1,2-epoxy-3-[4-(1-akoxy-2-methoxyethyl)phenoxy]propane, which after reaction with isopropylamine gives 1-isopropylamino-3-[4-(1-alkoxy-2-methoxyethyl)phenoxy]-2-propanol which in the last step is hydrogenated catalytically to a compound of formula (I).