baber/WOPTO huggingface dataset:
Patent CA-1109876-A (CA)
Title: Demethylation of (-)-1-(p-methoxybenzyl)-2-methyl-1,2, 3,4,5,6,7,8-octahydroisoquinoline
Inventor: MONKOVIC IVO
IPC: C07D491/08
Filed: 1978-04-24
Granted: 1981-09-29
Abstract: ABSTRACT N-Alkyl allylic tertiary amines are dealkylated as illustrated by treatment of (-)-1-(p-methoxybenzyl)-2-methyl-1,2,3,4,5,6,7,8-octahydroisoquinoline in cold methylene chloride with m-chloroperbenzoic acid followed by the addition of aqueous ferrous chloride to provide a good yield of (+)-1-(p-methoxybenzyl)-1,2,3,4,5,6,7,8-octahydroisoquinoline with substantial if not complete retention of optical activity.  The product is an inter-mediate in a synthesis of the analgesic known as butor-phanol.
Patent CA-1099077-A (CA)
Title: Method of producing a foundry mold for casting molten  metal
Inventor: SZABO ERVIN I
IPC: B22C1/18
Filed: 1978-07-14
Granted: 1981-04-14
Abstract: TITLE          A METHOD OF PRODUCING A FOUNDRY MOLD FOR                    CASTING MOLTEN METAL     INVENTOR                    Ervin Istvan Szabo ABSTRACT OF THE DISCLOSURE         A foundry mold is formed by molding a foundry ag-gregate around a pattern, with the formed foundry mold com-prising a foundry sand containing 2 to 6% by weight of at least one alkali earth oxide, converting the at least one alkali earth oxide to alkali earth oxalate to provide a binder for the formed foundry sand, by, for example, adding an oxalic acid ester as a reagent to a water dampened mix-ture of the formed foundry sand containing the magnesium oxide, and coating the mold surfaces, to be contacted with molten metal, with a mold wash having a non-aqueous liquid vehicle that is miscible with water to provide an inert and immobile barrier between molten metal and a main body of the mold to prevent the molding surface from being washed away by molten metal being poured into the mold.
Patent CA-1137812-A (CA)
Inventor: KITSNIK HENRIK M
IPC: F01L25/08
Filed: 1978-09-08
Granted: 1982-12-21
Abstract: ABSTRACT OF THE DISCLOSURE This invention relates to an hydraulically operated displacement pump adapted to be connected directly to a pipe line.  The pump is adapted among other things for pumping thick and abrasive materials.  The pump includes a tubular pumping section provided with at least one trubular diaphragm and appropriate check valves to generate unidirectional flow of the material being pumped.  Preferably, plural pairs of tubular diaphragms with appropriate check valves are employed.  A power section of the displacement pump pumps a second fluid in a pulsating manner, for supply to the exterior of the tubular diaphragms via a conduit system.  The conduit system consists of one closed-loop circuit for each tubular diaphragm.  Each circuit is provided with check valves for causing a continuous and one-way circulation of the second fluid in the circuit. The disclosed hydraulically operated displacement pump requires little space, as the pumping section can be built in-line with a pipe line, while the compact, hydraulic power section can be placed anywhere at a desired distance from the pumping section.  At the same time, the advantages which are present in conventional tubular diaphragm pumps remain.
Patent CA-1097944-A (CA)
Inventor: REED ROBERT D
IPC: G01L11/00
Filed: 1978-09-29
Granted: 1981-03-24
Abstract: ABSTRACT OF THE DISCLOSURE            Apparatus for attachment to a furnace system for indicating furnace draft, comprising piezometric chamber means for indicating true average atmospheric pressure, connected by a small diameter pressure tube to an inclined tube draft manometer, the second end of which is inserted through the wall of the furnace to the interior thereof. The piezometric chamber comprises a first vertical elongated pipe, closed at top and bottom, with a plurality of small diameter ports drilled near the base and evenly spaced around the circumference.  A second pipe of smaller diameter is inserted co-axially through the bottom closure.  The smaller pipe has an annular baffle plate attached about its outer surface inside of the larger pipe, to provide a narrow annular pas-sage for air flow from the ports to and from the interior of the smaller second pipe.
Patent CA-1114281-A (CA)
Inventor: COLE HOWARD W JR
IPC: B01D47/04
Filed: 1978-10-10
Granted: 1981-12-15
Abstract: ABSTRACT OF THE DISCLOSURE           This invention suppresses dust, and particularly respirable dust, by preventing the dust from becoming airborne at locations where it could escape from the dusty material with which it is associated, for example, at transfer points and other locations where the respirable dust can be released into the surrounding atmosphere.  Foam, having bubbles small enough to be broken by respirable dust particles, is brought in con-tact with the respirable dust where small bubbles, small enough to be bursted by respirable dust particles, are imploded and the bubbles wet the dust particles and cause adherence of the particles to adjacent surfaces, such as other foam or other parts of the dusty material.  The foam may be discharged into dusty material at transfer points where the dusty material falls by gravity and thereby opens up spaces between portions of the material which are at zero gravity as a result of their free fall.
Patent CA-1163862-A (CA)
Inventor: POSSELL CLARENCE R
IPC: F04D5/00
Filed: 1978-12-08
Granted: 1984-03-20
Abstract: ABSTRACT OF THE DISCLOSURE         A bladeless pump that includes a housing that defines a circular confined space of substantial width into which either a single phase fluid or multiphase fluid is sequentially introduced through a centrally disposed inlet in a first side of the housing to be subjected to a boundary layer rotational drag by at least one substantially smooth disc that rotates in the confined space intermediate the first and second side pieces of the housing and parallel thereto.  The pump is capable of pumping a multiphase fluid such as that from a geothermal well that includes water, dissolved solids, steam and gas vapor, the boundary layers on the rotating discs prevent objects in the inner phase of a fluid contacting the discs and as a result there is little or no abrasion of the latter.  Also, the boundary layers on the discs protect the latter from contact with bubbles in the fluid, and as a result there is no cavitation on the discs due to abrupt collapse of the bubbles.
Patent CA-1115436-A (CA)
Title: Method of removing mud from mud-water  suspensions
Inventor: GRUBER GUENTER
IPC: C02F1/54
Filed: 1978-12-11
Granted: 1981-12-29
Abstract: Ref. 3112 METHOD OF REMOVING MUD FROM MUD-WATER SUSPENSIONS     Abstract of the Disclosure Disclosed is a method for removing mud from mud-water suspensions in rivers,lakes, harbor basins and so forth.  The method removes mud from the suspension by filling a floating vessel with the suspension mixed with a flocculating agent, permitting the mud to settle, removing the resulting clear supernatant water and repeating the sequence of steps until the vessel contains the desired amount of mud.
Patent CA-1105254-A (CA)
Inventor: KASTILAHN WILLIAM W
IPC: F27D7/06
Filed: 1978-12-12
Granted: 1981-07-21
Abstract: Abstract of the Disclosure Graphite heating rods are disposed within a radiant tube which contains nitrogen under pressure to prevent oxidation of the rods. The pressure in the tube is sensed and nitrogen is admitted into or exhausted from the tube depending upon whether the pressure drops below or rises above a safe range. Only as much nitrogen is introduced into the tube as is necessary to replenish that which might be lost through normal leakage and thus only a comparatively small quantity of nitrogen is required to protect the graphite rods.
Patent CA-1137439-A (CA)
Inventor: RAO BABU Y
IPC: C07C41/34
Filed: 1979-01-03
Granted: 1982-12-14
Abstract: RECOVERY OF ETHERS                      (D#76,030-F) ABSTRACT OF THE INVENTION     Methyl tertiary butyl ether may be recovered from etherification reaction effluent by azeotropic distillation to recover methanol-ether azeotrope over-head which is water-washed to give pure ether raffinate plus ether-methanol bottoms, the latter being azeotropi-cally distilled to yield ether-methanol overhead which is recycled to water-washing.     - I -
Patent CA-1130229-A (CA)
Inventor: BUEGE JOHN A
IPC: C12N9/12
Filed: 1979-02-13
Granted: 1982-08-24
Abstract: ABSTRACT OF THE DISCLOSURE      Creatine kinase MB isoenzyme can be seperated from a mixture of creatine kinase isoenzymes by ion exchange chromatography. Use of a mixture of cation and anion ex-change resin in this method permits elution of the MB iso-enzyme from the mixed resin while the other isoenzymes are wholely or partially retained. In a preferred embodiment the mixed resin is a mixture of a weakly basic anion exchange resin and a weakly acidic cation exchange resin.
Patent CA-1118061-A (CA)
Inventor: CRONIN EDWARD F
IPC: H01B17/54
Filed: 1979-02-16
Granted: 1982-02-09
Abstract: ABSTRACT OF THE DISCLOSURE         An electrical feed through bushing for transformers multifunctionally uses the transformer coolant to cool the bushing conductor.  The bushing is piped into the transformer oil heat exchanger.
Patent CA-1107304-A (CA)
Inventor: MURCHISON CRAIG B
IPC: C07C1/00
Filed: 1979-03-20
Granted: 1981-08-18
Abstract: ABSTRACT           Olefins of two to four carbon atoms are pre-pared by an improved Fischer-Tropsch process, the improve-ment comprising the use of a catalyst having a surface area less than about 100 m2/g and consisting essentially of:           (1)  at least one material selected from the group consisting of the sulfide, oxide or metal of Mo, W, Re, Ru, Ni, Pd, Rh, Os, Ir and Pt;      (2)  at least one material selected from the group consisting of the hydroxide, oxide or salt of Li, Na, K, Rb, Cs, Mg, Ca, Sr, Ba and Th; and (3)  optionally, a support.
Patent CA-1113553-A (CA)
Inventor: GREGORIAN ROUBIK
IPC: H03H17/04
Filed: 1979-05-25
Granted: 1981-12-01
Abstract: HIGH PASS SWITCHED CAPACITOR SECTION            Abstract of the Disclosure A high-pass switched capacitor biquadratic filter based on the bilinear z-transform.  The filter comprises first and second integrating operational amplifiers connected in series and in combination with a third operational amplifier that serves as a sample and hold and also generates one simple pole and zero pair in the circuit transfer function thereby enabling the circuit to provide for a high degree of filter efficiency in a preselected frequency range.  The operational amplifiers are connected to and operate in cooperation with capacitors of a predetermined size which are switched on and off continuously by two phase clock signals supplied to the circuit.  The loss characteristic of the filter can be programmed by varying the clocking frequency.  Higher order filters can be obtained by the tandem connection of second order circuit sections followed by one or more first order pole-zero section.
Patent CA-1125860-A (CA)
Title: Diversity switch correlation system
Inventor: WOOD WILHELM A H
IPC: H04L7/00
Filed: 1979-09-19
Granted: 1982-06-15
Abstract: DIVERSITY SWITCH CORRELATION SYSTEM     ABSTRACT    A multiple-channel microwave communications system with an improved diversity switch permitting the system to be constructed without the necessity of equalizing channel delays within a 1/2 bit period by adjusting coaxial cable lengths.          The average clock frequency is made to be the on-line channel frequency.  The off-line clock frequency is forced to assume the on-line clock frequency by shifting the off-line clock one-half bit, that is 180°, when it is advanced or delayed more than 180°.  Phase shifters of 180° are provided in each channel but with only the off-line channel permitted to shift.  In addition, the bit content of the dual channel receiving system is aligned over a plus or minus three-bit range by a correlation loop circuit.
Patent CA-1129991-A (CA)
Inventor: NIKAMI AKIRA
IPC: H04N9/87
Filed: 1979-09-25
Granted: 1982-08-17
Abstract: (S79P127) VIDEO SIGNAL REPRODUCING APPARATUS                ABSTRACT OF THE DISCLOSURE           In an apparatus for reproducing video signals recorded in successive, obliquely extending parallel tracks on a record tape with the horizontal synchronizing pulses of video signals recorded in nearby tracks being offset from each other by a predetermined distance in the direction along the tracks, and wherein at least one reproducing head is repeatedly moved across the tape in a scanning path which conforms to the direction along the tracks for reproducing from only one of the tracks at a time when the tape is driven or transported at a standard or normal reproducing speed, but which is a  an angle to the direction along the tracks to cause the head to reproduce from one of the tracks and then from another of the nearby tracks when the tape is driven at a different reproducing speed; a delay circuit is provided for delaying the reproduced video signals by an amount corresponding to the offset distance between the horizontal synchronizing pulses recorded in nearby tracks, and, when operating with such different reproducing speed, a switching circuit alternately provides, as the output of the reproducing apparatus, the video signals as reproduced by  the head and the delayed reproduced video signals, respectively, with the state of the switching circuit being changed-over each time the reproducing head, in moving along the scanning path, moves from one to the other of the nearby tracks.         -i-
Patent CA-1131526-A (CA)
Inventor: WARD GARY A
IPC: F16L55/115
Filed: 1979-09-25
Granted: 1982-09-14
Abstract: INJECTION SITE AND METHOD OF ASSEMBLING     Inventor:   Gary A. Ward ABSTRACT OF THE DISCLOSURE             A unitary molded injection site comprising a central, needle-receiving portion and a skirt portion may be assembled onto a support tube by temporarily convoluting the skirt portion about the central portion to expose its inner surface; bringing the end of the sup-port tube adjacent to the inner surface; and bringing the skirt portion back toward its original, unstressed config-uration, to surround the end portion of the tube in tele-scoping relation.  An advantage of this is that the in-jection site is positioned on the support tube in relatively unstressed condition.  Furthermore, the skirt portion may define on its inner surface a plurality of sealing rings adapted to sealingly bear against the support tube.
Patent CA-1088069-A (CA)
Inventor: GAUDETTE ROGER R
IPC: C07D239/04
Filed: 1979-10-05
Granted: 1980-10-21
Abstract: PREPARATION OF N,N'-DICARBOXYMETHYL-1,3-PROPANEDIAMINES          ABSTRACT OF THE INVENTION           N,N'-Dicarboxymethyl-1,3-propanediamine (designated PDDA) is prepared by reacting 1,3-propanediamine with formaldehyde and HCN to form hexahydroprimidine-1,3-diacetonitrile, which is hydrolyzed with an aqueous alkali metal hydroxide to form dialkali metal hexahydropyrimidine-1,3-diacetate which, in turn, is reacted with mineral acid to form the desired PDDA and formaldehyde.           N,N'-Dicarboxymethyl-2-hydroxy-1,3-propanediamine (designated HYDROXY-PDDA) is prepared by reacting 1,3-diamino-2-propanol with formaldehyde and HCN to form 5-hydroxyhexa-hydropyrimidine-1,3-diacetonitrile, which is hydrolyzed with an aqueous alkali metal hydroxide to form dialkali in turn, is reacted with acid to form the desired HYDROXY-PDDA and formaldehyde.
Patent CA-1212552-A (CA)
Inventor: OBERG GARY R
Filed: 1979-10-24
Granted: 1986-10-14
Abstract: ABSTRACT    A rotary cutting assembly with an automatic filament feed.  The assembly includes a driven member which is coupled to a drive source and contains a storage spool for the cutting line.  The line or filament is automatically advanced from the spool upon displacement of the same through engagement of a ground engaging hub with a surface.  Such displacement causes operation of an escapement means mounted in part on the movable spool or associated therewith and in part on the driven member to permit a limited rotary dis-placement of the spool within the driven member during rotation of the driven member.
Patent CA-1139472-A (CA)
Inventor: KONII SUSUMU
IPC: B22C1/22
Filed: 1979-11-09
Granted: 1983-01-11
Abstract: ABSTRACT OF THE DISCLOSURE:     The invention relates to binder materials compri-sing an alcohol-soluble phenolic resin, a polyvalent metal hydroxide and/or oxide, water, an organic solvent, and an alkali metal hydroxide.  The invention also relates to a pro-cess for preparing foundry cores or molds, the binder materials being used in admixture with refractory particles, such as sand, and cured with carbon dioxide to form shaped foundry cores or molds,  The process and materials of the invention bring about such advantages that curing may be performed with safe carbon dioxide, that shaped foundry cores or molds may be taken out from pattern immediately after curing, and that the products have a superior collapsibility after pouring a molten metal.
Patent CA-1139023-A (CA)
Inventor: ROSENBAUM HERMAN S
IPC: G21C3/00
Filed: 1979-11-09
Granted: 1983-01-04
Abstract: ABSTRACT OF THE DISCLOSURE         Cladding for nuclear fuel elements which is formed with a zirconium metal barrier layer bonded to the inside surface of a zirconium alloy tube and which is sized by a cold working tube reduction process and is heat treated after final reduction at a temperature and for a time period which allows substantially complete recrystallization of the zirconium metal barrier layer and provides a fine-grained microstructure therein and which stress-relieves but does not fully recrystallize the zirconium alloy tube.  The crystallographic structure of the zirconium metal barrier layer may be improved by compressive deformation such as shot-peening.
Patent CA-1120043-A (CA)
Inventor: LINHART FRIEDRICH
IPC: C07D231/18
Filed: 1979-11-15
Granted: 1982-03-16
Abstract: O.Z. 0050/033518 Abstract of the Disclosure:   Pure substituted N-methyl-pyrazole-acetanilides are prepared from the crude pro-ducts, resulting from their synthesis, by dissolving in a concentrated aqueous mineral acid and precipitating with water.
Patent CA-1136768-A (CA)
Inventor: LOGUE JOSEPH C
IPC: G06F9/22
Filed: 1979-12-13
Granted: 1982-11-30
Abstract: MODULAR MACROPROCESSING SYSTEM COMPRISING A MICROPROCESSOR AND AN EXTENDABLE NUMBER       OF PROGRAMMED LOGIC ARRAYS                         Abstract A modular system comprising a microprocessor having a system bus (control aaddress and data) and one or more programmed logic arrays connected to the system bus Three system configurations are shown by way of ex-ample, Macroprocessor, Peripheral Input/Output and Direct Memory Access applications.  The microprocessor executes a standard set of instructions and addresses each programmed logic array.  Each array executes a specific instruction, beyond the standard set of in-structions, upon receipt of its address.
Patent CA-1151948-A (CA)
Inventor: GOODMAN GRAEME D
IPC: G04F3/02
Filed: 1980-03-24
Granted: 1983-08-16
Abstract: ABSTRACT OF THE DISCLOSURE     A time delay device adapted to cooperate with a firing device.  The time delay device comprises a piston cooperating with the firing device, a spring to move the piston between a first position in which the firing device remains in a non-operating condition and a second position in which said firing device is allowed to operate, a retractable pin to hold the piston in the first position, a reservoir of fluid adapted to be acted upon by the piston and communicating with a length of small bore or micro-bore tubing whereby upon movement of the piston fluid will be displaced from the reservoir through said tubing, with the rate of movement of the piston, and therefore the time for the piston to move from the first to the second position under the action of said spring, being dictated by the viscosity of the fluid in the reservoir and the length of the tubing.  A predetermined time delay is therefore produced between actuation  by retraction of the pin and movement of the piston under the action of said spring to the second position to allow operation of the firing device.  A temperature compensating device is also disclosed.
Patent CA-1141902-A (CA)
Inventor: KAWAI EIICHI
IPC: D06M101/02
Filed: 1980-03-31
Granted: 1983-03-01
Abstract: ABSTRACT OF THE DISCLOSURE   Cotton-polyester fiber-blended textile fabrics and knitted goods are resin-finished to be imparted with a high soft feeling and a durable crease resistance using a resin bath containing a specific combination of an amino resin having in the molecule at least two N-methylol groups which may be partially or wholly alkylated, a diol type surface active agent said diol type surface active agent being a nonionic surface active agent having polypropylene glycol and polyethylene glycol as the hydrophobic group and the hydrophilic group, respectively and an acid catalyst for cross-linkage.  The process involves immersing in the resin bath followed by heating.  The fabrics or knitted goods are thus imparted with a highly soft feeling which is superior to that inherent in the blends per se, and a high crease resistance with excellent durability, and moreover with an improved soil release property.
Patent CA-1168654-A (CA)
Inventor: BEFFA FABIO
IPC: C09B45/26
Filed: 1980-05-21
Granted: 1984-06-05
Abstract: Abstract Chrome-complex dyes for dyeing natural and synthetic polyamide materials, which dyes, in the form of the free acid, correspond to the formula (1)                           wherein X, W, R1, A, q, p, B, Z, D, Y and n have the meanings defined in Claim 1.
Patent CA-1155332-A (CA)
Inventor: HAMISCH PAUL H JR
IPC: B65C11/02
Filed: 1980-07-24
Granted: 1983-10-18
Abstract: Docket M-390 Abstract of the Disclosure There is disclosed a hand-held label printing and applying apparatus having an impression control mechanism. The apparatus includes a pair of relatively movable slides.  A first slide is driven in response to movement of a manually operable actuator and a second slide which carries the print head is slidably mounted on the first slide.  During the initial actuation of the actuator, the first and second slides move as a unit until the second slide is stopped by a shoulder of a latch.  Continued movement of the actuator and travel of the first slide causes energy to be stored in a spring arrangement. Upon further movement of the actuator and continued travel of the first slide the latch is tripped and the spring arrangement drives the second slide and causes the print head to be driven into a straight line into printing cooperation with the platen.  There is also enclosed an arrangement by which the print head can be releasably connected to the second slide.  The apparatus also includes an improved spring assembly.
Patent CA-1136751-A (CA)
Inventor: KELLER JAMES E
IPC: A61B5/12
Filed: 1980-07-31
Granted: 1982-11-30
Abstract: IMPROVED AUTOMATIC TYMPANOMETRIC TESTING MEANS                 ABSTRACT OF THE DISCLOSURE           An improved tymyanometric testing means is described for automatically testing the status of the middle ear.  The testing unit provides a recording on a chart showing a change in the compliance of the middle ear during change of the air pressure in the externa  ear.  The tympanometric test unit operates automatically as the clinician inserts the test probe into the patient's ear.          The unit automatically determines that the probe is in an unblocked condition and that the test probe tone is at a proper intensity relative to the ear canal volume.  When these conditions are met and the ear canal pressure at the probe reaches the predetermined test start pressure, the unit proceeds with the testing as the pressure in the ear canal moves between desired limits such as between the +200 and -200 mm H2O and while the recorder makes a plot of the ear drum compliance.