baber/WOPTO huggingface dataset:
Patent CA-1122427-A (CA)
Inventor: DINGWALL JOHN G
IPC: C07F9/40
Filed: 1978-11-17
Granted: 1982-04-27
Abstract: ABSTRACT OF THE DISCLOSURE          A method of inhibiting plant growth comprises applying to emerged plants or to areas sown with them, an effective plant growth inhibiting amount of an .alpha.-aminoalkane phosphonous acid of the formula   (1), wherein R is an alkyl group having from 1 to 4 carbon atoms, which is unsubstituted or substituted by hydroxyl, or plant-physiological-ly acceptable salts thereof, including all optical isomers of the said acids and salts.
Patent CA-1123039-A (CA)
Inventor: TUTIHASI SIMPEI
IPC: G03G5/02
Filed: 1979-01-03
Granted: 1982-05-04
Abstract: ELECTROPHOTOGRAPHIC IMAGING METHOD                  ABSTRACT OF THE  DISCLOSURE           There is described an electrophotographic imaging method which utilizes an imaging member comprising a substrate, a layer of a charge carrier injecting material, a layer of a charge carrier transport material, a layer of a photoconductive charge carrier generating material and an electrically insulating overcoating layer.  In operation, the member is charged a first time with electrostatic charges of a first polarity, charged a second time with electrostatic charges of a polarity opposite to said first polarity in order to substantially neutralize the charges residing on the electrically insulating surface of the member and exposed to an imagewise pattern of activating electromagnetic radiation whereby an electrostatic latent image is formed.  The electrostatic latent image may be developed to form a visible image which may be transferred to a receiver member.  Subsequently the imaging member may be reused to form additional reproductions after erasure and cleaning steps are carried out.
Patent CA-1138758-A (CA)
Inventor: POMMIER JEAN
IPC: B60C9/20
Filed: 1979-03-09
Granted: 1983-01-04
Abstract: ABSTRACT OF THE DISCLOSURE :     A tire of the radial or crossing ply carcass type with an asymmetric tread reinforcement is improved due to the fact that a correction block is interposed between the asymme-tric tread reinforcement and the carcass reinforcement.  This correction block consists of two plies of cables which form with the longitudinal direction angles of opposite sign, each at most equal to one-third of the smallest angle formed with this same direction by the cables of the asymmetric tread reinforcement.  The correction block is preferably centered or the equatorial plane of the tire.
Patent CA-1109440-A (CA)
Inventor: HALMA WAYNE G
IPC: F24D3/00
Filed: 1979-03-28
Granted: 1981-09-22
Abstract: ABSTRACT OF DISCLOSURE      A heating system comprises serially connected heating and holding coils connected in a closed heating liquid circulating circuit with a collector coil at the space to be heated.  The heating and holding coils are disposed in a compartment wherein both are subject to direct heating by one or more gas burners, and flue gas is drawn through the compartment in heat exchange relation with the holding coil before being exhausted.
Patent CA-1138090-A (CA)
Inventor: REYNARD JOHN M
IPC: H04R19/00
Filed: 1979-04-25
Granted: 1982-12-21
Abstract: ABSTRACT OF THE DISCLOSURE               A method and device for significantly improving the efficiency and sensitivity of an electroacoustical transducer.     A relatively inelastic vibratile diaphragm is preformed to the shape of a mating backplate prior to the time it is actually mated to said backplate.  By such preforming, the efficiency and sensitivity reducing effects from a wrinkled transducer diaphragm are minimized in that said wrinkles move to a diaphragm region where they have no effect on transducer sensitivity when the backplate is subsequently mated to said diaphragm.
Patent CA-1115644-A (CA)
Title: Combined hydraulic fluid reservoir and  return fluid filter support structure
Inventor: MILLER WAYNE R
IPC: B01D29/11
Filed: 1979-05-04
Granted: 1982-01-05
Abstract: COMBINED HYDRAULIC FLUID RESERVOIR AND  RETURN FLUID FILTER SUPPORT STRUCTURE               Abstract of the Disclosure A pair of return fluid filters are supported within a main cavity of a hydraulic fluid reservoir for receiving fluid from the bottoms of respective return fluid cavities defined by a housing fixed to a top wall of the reservoir.  Respective access covers close the cavities and are connected to the return fluid filters and to respective removable bottom plates of the cavities such that the filters may be withdrawn from the main cavity, via the return fluid cavities, for service or replacement.  Each cavity is provided with a bypass valve which acts to bypass return fluid directly from the associated return fluid cavity to the main cavity in the event that the associated filter becomes clogged.  Mounted on the housing in alignment with the bypass valves are respective switches which are respectively operated in response to movement of the bypass valves to their bypass position to energize a light to indicate the clogged filter condition to an operator.
Patent CA-1131240-A (CA)
Inventor: HARSON SAMUEL E
IPC: C10N50/08
Filed: 1979-05-24
Granted: 1982-09-07
Abstract: ABSTRACT Compounds comprising three atoms of a divalent metal linked through oxygen atoms to an atom selected from the group consisting of a boron atom, a phosphorus atom and a phosphorus atom bonded to an oxo oxygen, and an aliphatic monocarboxylic acid radical attached to each divalent metal atom, at least one of said aliphatic monocarboxylic acid radicals having from 7 to 9 carbon atoms, and at least one other of said aliphatic monocarboxylic acid radicals having 10 or 11 carbon atoms, and the polymerization products thereof, are useful as rubber compound adhesion promoters and are more easily handled than the previously known compounds and polymers used for this purpose.
Patent CA-1129930-A (CA)
Title: Rotor for a synchronous salient-pole electrical  machine
Inventor: KUKSHTAU ALEXANDR A
IPC: H02K1/08
Filed: 1979-06-05
Granted: 1982-08-17
Abstract: ABSTRACT OF THE DISCLOSURE           A rotor for a synchronous salient-pole electrical machine, having a rim built up in annular layers consisting of segments provided with recesses forming slots on the rim circumference, in which alike poles are mounted and which form a plurality of groups distributed in series over the rim circumference, the distances between the adjacent slots in all the groups being the same and different than equal distances between the adjacent slots of different groups.          In some of the segments, the adjacent recesses are spaced from each other by the same distance equal to the distance between the slots within a group.  In other segments, mounted in those layers of the rim, wherein between the places of location of the adjacent slots of different groups, there are no joints between the segments, the adjacent recesses are arranged in the same manner except for two adjacent recesses in each segment, located at a distance equal to the distance between the adjacent slots of different groups and coincident, upon the installation, with the places of location of these slots.  The invention provides an improved emf curve shape of the electrical machine due to suppression of the tooth harmonics, at rather minor complication of the production of parts of the rotor, its assembly and repair.
Patent CA-1131524-A (CA)
Inventor: JACKSON RICHARD R
IPC: A61M16/14
Filed: 1979-07-11
Granted: 1982-09-14
Abstract: ABSTRACT         A medical humidifier is disclosed for a respiratory flow path connected directly to the air way of a patient, through which life-supporting air can be channeled, comprising a compact nest of discrete, elongated air-transmitting hollow relatively large bore, relatively thin wall fibers con-nected in parallel by inlet and outlet connections and having walls of sub-stance permeable to water vapor and impermeable under operating conditions to liquid water.  A relatively negative-pressure water-filled chamber surrounds the effective length of the fibers.  The fibers are adapted to divide dry inhalation air for a patient which enters said inlet connection into a series of air-flow filaments for humidification by water vapor that permeates the wall of the fibers from the surrounding relatively negative-pressure water.  The fibers are provided in size and number sufficient to freely pass under normal air-flow conditions an aggregate air-flow volume correspond-ing to the life-supporting need of the patient, and to provide effective fiber surface area sized to pass water vapor sufficient to humidify air at normal flow rates substantially to saturation from said relatively negative-pressure water heated to about body temperature.  The outlet connection is arranged to collect the thus humidified filaments of air and direct the unified flow into the patient, whereby the medical humidifier can provide full humidification of air directed into a patient in a  practical, fail-safe, low flow resistance compact unit that can be disposable.
Patent CA-1124643-A (CA)
Title: Carrier tagged with releasable  fluorophores
Inventor: YAVERBAUM SIDNEY
IPC: G01N33/52
Filed: 1979-08-16
Granted: 1982-06-01
Abstract: ABSTRACT OF THE DISCLOSURE       A method of composition is featured for performing a fluoroimmunoassay of a biological fluid sample for an immunological reactant.  A conjugate of a carrier labelled with fluorophores and coupled to an immunological reactant is mixed with the sample and a known quantity of binding agent.  After equilibrium is accomplished, the bound and unbound portions are separated.  The carrier in a selected portion is chemically treated to liberate the fluorophores. The fluorescent level is then measured and compared with a standard.           Docket 2135-A
Patent CA-1143178-A (CA)
Inventor: TEITELBAUM BERNARD R
IPC: G01N27/407
Filed: 1979-09-05
Granted: 1983-03-22
Abstract: IMPROVED PROTECTIVE SHIELD FOR SENSING MEANS    ABSTRACT OF THE DISCLOSURE     A shield for introducing fluid, such as the gas within the exhaust system of an internal combustion engine, to a sensing means such as a zirconium dioxide element of an oxygen concentration sensor.  The shield forms a chamber which surrounds the element and con-tains a particulate trap having a preferred orientation with respect to the main stream flow for intercepting and diverting a portion of fluid from the main stream into  a partially closed  end  of  the  chamber.   The diverted fluid enters the chamber near the tip end of the zirconia element; the closely spaced chamber per-mits the fluid flow to be generally parallel to the surface of the element and directed from the tip end to the base or housing end of the element.   The shield further  contains  an  opening  near  the  base  of  the element to permit fluid to exit the chamber.
Patent CA-1156011-A (CA)
Inventor: WARD HERBERT J
IPC: B29C48/305
Filed: 1979-09-05
Granted: 1983-11-01
Abstract: ABSTRACT           A heat-sealable oriented polypropylene film comprising a base oriented polypropylene film having on one surface a layer of a random propylene/ethylene copolymer (ethlene content 2-6% by weight) and on the other surface a predominantly linear random copolymer of ethlene and further alpha olefin having at least three carbon atoms per molecule (for example propylene and butene-1) the further alpha olefin content being 6-40% by weight.  The film is particularly useful for packaging merchandise on horizontal form-fill-seal packaging machines.
Patent CA-1123462-A (CA)
Inventor: CHENEY ALWYN H
IPC: E21C37/12
Filed: 1979-10-12
Granted: 1982-05-11
Abstract: ABSTRACT       A rock breaker comprising a tool insertable in a hole in a rock and fed through a supply line with an incompressible liquid to maintain a column of the liquid in the hole, and means to apply to the liquid a shock means sufficiently high to fracture the rock, the tool comprising a hollow stem having an expansible collet and a resilient sealing ring and mechanical means to expand the collet and ring.
Patent CA-1114732-A (CA)
Inventor: GRAVES KEVIN
IPC: A47C3/22
Filed: 1979-10-17
Granted: 1981-12-22
Abstract: ABSTRACT          A vehicle seat suspension, of the type comprising a seat frame supported on a base frame by two spaced pairs of scissor action linkage arms, has the ends of the linkage arms connected to one of the frames wholly by pivotal connections having freedom for displacement longitudinally of the suspension and a resilient coupling connecting the one frame to one of the linkage arms to damp the transmission of vibrations between the frames in the longitudinal direction.
Patent CA-1126089-A (CA)
Title: Percussion head fuse for an explosive  projectile
Inventor: RUSBACH MAURICE
IPC: F42C1/02
Filed: 1979-10-29
Granted: 1982-06-22
Abstract: ABSTRACT         It comprises a cylindrical body 1 which is intended to be fixed on an explosive projectile. A detona-tor 12 comprising a casing means 13 whose rearward portion serves as armour plating means 13' is mounted slidably in a casing 11 which is fixed coaxially in the cylindrical body, from an inactive position within the casing 11 to an active position within a case member 18 which extends the casing 11 rearwardly and which is disposed in the operating position within the explosive charge 4 of the projectile. in the inactive position, the detonator is retained by balls 19 which are partially engaged in a groove 16 provided in a cover 15 which extends the detonator in a forward direc-tion, and emerge from openings 20 provided in the wall of the casing 11. The balls are held in position by the bore of an arming inertia weight member 20 which is mounted slidably outside of the casing 11 and which is subjected to a resilient action and to means for retarding its movement in a forward direction. A striker 9 is fixed to the forward end of a member of revolution which is axially fixed with respect to the cylindrical body, said member of revolution 6 also containing a movable primer which is subjected to a resilient action tending to hold it at a spacing from the striker.
Patent CA-1116126-A (CA)
Inventor: JAKOBSON KARL F O
IPC: D21D5/24
Filed: 1979-11-14
Granted: 1982-01-12
Abstract: ABSTRACT OF THE DISCLOSURE           An abrasive-containing mixture of cellulose fibers is separated into two fractions in a hydrocyclone separator, the abrasive particles eventually wearing a hole through the conical wall forming the usual conical part of the separat-ing chamber.  Some of the mixture passes outwardly through this hole into a closed space between said conical wall and an outer mantle, and the separating operation is continued while the hole is present in said wall.
Patent CA-1142119-A (CA)
Inventor: ROBERTS SCOTT C
IPC: C01B3/34
Filed: 1979-11-27
Granted: 1983-03-01
Abstract: ABSTRACT     A process for the production of light hydrocarbons and synthesis gas, wherein a hydrocarbon-containing feedstock is contacted in a pyrolysis zone with a fluidized particulate heat carrier which is at a sufficiently high temperature to supply the heat required for pyrolysis. A stream containing volatile light hydrocarbons is produced and coke is deposited on the heat carrier. The coke and heat carrier are passed to a combustion zone where the coke is combusted and the heat carrier is heated. The heated carrier is passed to a gasification zone where the heat in the carrier is used to gasify a carbonaceous feedstock. The heat carrier which is then at the temperature required for pyrolysis is suhsequently passed to the pyrolysis zone to complete the cycle.
Patent CA-1142747-A (CA)
Inventor: WALLSTEN HANS
IPC: B05D1/38
Filed: 1979-12-11
Granted: 1983-03-15
Abstract: ABSTRACT            IMPROVEMENTS IN OR RELATING TO SELECTIVELY CONVERTIBLE APPARATUS FOR TREATING A MOVING WEB AND METHOD THEREFORE            A selectively convertible method and apparatus therefore to perform one or more coating operations on a web of paper or the like, said apparatus comprising a fixed rotatable roller, a coating blade movable into and out of coating relation with the surface of the fixed roller and coopera-ting with a dam of coating material to coat a web as it passes through the nip between the coating blade and the fixed roller, and a second movable roller movable into and out of nip forming relation with the fixed roller with pro-vision for adjustment of pressure in the nip and adapted to cooperate with a dam of coating material to coat a web as it passes through the nip between said rollers, said movable roller also being adapted alternatively to receive coating material and to transfer it to the fixed roller to coat one side of a web as it runs over the latter.
Patent CA-1122693-A (CA)
Inventor: WHITSEL JAY F
IPC: G01N29/04
Filed: 1979-12-11
Granted: 1982-04-27
Abstract: ABSTRACT OF THE DISCLOSURE         Methods and means for testing and storing data relating to the quality of resistance spot welds in an automotive wheel are provided.  The wheel may be rotated for one revolution or less, dependent upon the number of transducers used, while a counter generates pulse signals representative of the locations of the wheel as it is revolved.  Ultrasonic signals are trans-mitted towards and received from locations in the wheel at which the presence of welds is being tested.  Storage devices, responsive to signals from the counter and the received ultrasonic signals store counts representative of the locations on the wheel where acceptable welds start and end to thereby determine the diameters of the welds.  me data stored also indicate locations and durations of voids in the welded areas.
Patent CA-1111798-A (CA)
Inventor: BRUMBAUGH OWEN E JR
IPC: B65G67/22
Filed: 1979-12-20
Granted: 1981-11-03
Abstract: MULTI-CAR TRAIN LOADING STATION Abstract of the Disclosure Cars of a multi-car train are loaded while in transit utilizing an overhead loading hopper into which a load out conveyor delivers bulk material such as coal in quantums to fully and evenly fill the individual receiving cars as each passes beneath the hopper and each quantum of material delivered to the hopper is specially measured to equal the predetermined gross loaded weight of the car in loading position less the car's actual weight as it was measured in transit. Loading of each car from the hopper is regulated by the speed of the conveyor and by an operator controlled diverter gate which initially directs the coal through an aft chute of the hopper which each car reaches first and then through a fore chute to complete its loading.
Patent CA-1188043-A (CA)
Inventor: CHANG CHING-JEN
IPC: C08F299/02
Filed: 1979-12-20
Granted: 1985-05-28
Abstract: Abstract of the Disclosure Stable, aqueous dispersions of water-insoluble methacrylic acid emulsion copolymers of (1) about 20 to 50% by weight of at least one member selected from the group consisting of methacrylic acid and acrylic acid, (2) about 0.5 to 25 weight percent of a (meth)acrylate of the formula R°-O-(EO)n-C(O)-C(R)=CH2 wherein R° is a member selected from the group consisting of alkyl, alkylaryl, and polycyclic alkyl groups having 8 to 30 or more carbon atoms, E is -CH2CH2-, R is H or CH3, and n is an integer having a value of at least 2, and (3) at least 30 weight percent, to make 100%, of at least one alkyl (meth)acrylate wherein the alkyl group has 1-4 carbon atoms.  Optionally, a small amount, 0.05 to about 1% by weight, based on the total weight of the monomers of a polyethylenically unsaturated monomer may be included.  The (meth)acrylic acid emulsion copolymers when neutralized and solubilized by addition of an alkali are high efficiency thickeners for aqueous systems and have improved tolerance to ionic or electrolyte content.  Typical systems that can be thickened are paint latices, cosmetic preparations, food preparations, ionic detergents, dye pastes for textiles, pharmaceuticals, and oil well drilling muds.         Surfactants enhance the thickening afforded by the copolymers.  Certain of the (meth)acrylic acid emulsion copolymers when neutralized and solubilized by addition of an alkali are useful at low levels to provide improved flow and leveling properties whereby high film build aqueous coatings are obtained.
Patent CA-1132557-A (CA)
Title: (piperidinylalkyl)quinazoline  derivatives
Inventor: VANDENBERK JAN
IPC: A61K31/517
Filed: 1980-01-07
Granted: 1982-09-28
Abstract: ABSTRACT     NOVEL (PIPERIDINYLALKYL)QUINAZOLINE DERIVATIVES.      Novel quinazoline derivatives, comprising in the heterocyclic part of their quinazoline nucleus at least one carbonyl or thiocarbonyl group and a particulatly substituted piperitinyl-alkyl side chain, said com-pounds being potent serotonin-antagonists.
Patent CA-1132825-A (CA)
Title: Ultra-violet lithographic resist composition  including a phenolic-aldehyde resin and as  sensitizer a derivative of meldrum's diazo
Inventor: BALANSON RICHARD D
IPC: G03F7/038
Filed: 1980-04-14
Granted: 1982-10-05
Abstract: Abstract of the Disclosure Phenolic-aldehyde resins sensitized with Meldrum's diazo or an analog thereof are useful as lithographic resists sensitive to deep ultra-violet light.
Patent CA-1150290-A (CA)
Title: 1-hydrocarbyloxyphenyl-1,  2-diphenylalkene derivatives
Inventor: CRAWLEY GRAHAM C
IPC: C07C43/23
Filed: 1980-05-15
Granted: 1983-07-19
Abstract: ABSTRACT         Triphenylalkene derivatives of the formula:-  wherein R1 is alkenyl, cycloalkenyl, cycloalkenyl-alkyl, halogenoalkenyl, hydroxyalkyl, dihydroxyalkyl, hydroxycycloalkyl, dihydroxycycloalkyl, hydroxycycloalkyl-alkyl, epoxyalkyl, alkoxyalkyl or alkylthioalkyl each of up to 10 carbon atoms, wherein R2 is alkyl of up to 6 carbon atoms, halogen or nitro and wherein ring A may optionally bear a halogen substituent or an alkoxy substituent of up to 4 carbon atoms.  These compounds possess antioestrogenic activity and are useful in the treatment of anovulatory infertility and of breast tumours.  Representative of the compounds is 1-p-allyloxyphenyl-trans-1,2-diphenylbut-2-ene.  There are also disclosed processes for the manufacture of the compounds and pharmaceutical compositions containing them.
Patent CA-1131631-A (CA)
Title: Quinazoline derivatives and pharmaceutical  preparations
Inventor: CHODNEKAR MADHUKAR S
IPC: C07D487/04
Filed: 1980-06-06
Granted: 1982-09-14
Abstract: Abstract Process for the manufacture of novel compounds of the formula I       wherein R1 is bromo and R2 is methyl or chloro, or R1 is methoxy and R2  is chloro, in D-form or as racemates, their tautomers and salts there-of with mineral acids. These compounds have inhibiting activity on the aggregation of blood platelets.
Patent CA-1154132-A (CA)
Inventor: JOLISSAINT CHARLES H
IPC: H04Q3/60
Filed: 1980-06-12
Granted: 1983-09-20
Abstract: ABSTRACT OF THE DISCLOSURE         An apparatus for interconnecting switching modules, such as PBXs, of the time division multiplexing type is disclosed.          An intertie termination unit is employed which allows signals to be effectively routed through the modules without using the primary TDM bus within the modules.  The modules are inter-connected in a carousel arrangement which provides substantial economic and reliability advantages over hierarchical architecture and over systems employing a combination of direct links and buses.