baber/WOPTO huggingface dataset:
Patent CA-1329929-C (CA)
Title: Helicopter anti-torque system using fuselage strakes
Inventor: KELLEY HENRY L
IPC: B64C23/00
Filed: 1988-01-29
Granted: 1994-05-31
Abstract: HELICOPTER ANTI-TORQUE SYSTEM USING FUSELAGE STRAKES Abstract of the Invention A helicopter 10 with a system for controlling main-rotor torque which reduces the power and size requirements of conventional anti-torque means.  The torque countering forces are generated by disrupting the main rotor downwash flowing around the fuselage.  The downwash flow is separated from the fuselage surface 11 by strakes 16 and 17 positioned at specified locations on the fuselage 11.  These locations are determined by the particular helicopter wash pattern and fuselage configuration, generally being located 30° before top dead center 21 and 30° from bottom dead center 22 on the fuselage side to which the main rotor blade 12 approaches during rotation.  The strakes 16 and 17 extend along the fuselage 11 from the cabin section 18 to the aft end and can be continuous or separated for aerodynamic surfaces such as a horizontal stabilizer 15.
Patent CA-1281424-C (CA)
Inventor: FLANNAGAN WILLIAM J
IPC: G06F17/30
Filed: 1988-01-29
Granted: 1991-03-12
Abstract: ABSTRACT OF THE DISCLOSURE     An updatable and expandable directory structure and resul-tant access procedures emulating a write-once or indelible record medium to a rewriteable record medium as to accessing characteristics.  The directory is indexed; one directory header for a first set of files indexes another set of files.  Sector clusters or data extents are managed such that random recording from any file proceeds independently of write-once characteristics.  The directory is stored on the medium as data is recorded.  Each directory entry contains an archival history of recording of a related data file in the medium.  Both logical and physical addressing is employable.
Patent CA-1310797-C (CA)
Inventor: DEVIC MICHEL
IPC: D21C9/10
Filed: 1988-03-31
Granted: 1992-12-01
Abstract: Bleaching of pulps of mechanical origin in which the pulp is treated with a metal-complexing or sequestering agent and is then washed with an efficiency higher than 95 % before being subjected to the action of hydrogen peroxide at a temperature above 100 DEG C and not exceeding 250 DEG C at the pressure of steam at the said temperature for 1 to 30 minutes, not conjointly with a mechanical beating action.
Patent CA-1287041-C (CA)
Inventor: COCCARO ALBERT V
IPC: B60B29/00
Filed: 1988-04-07
Granted: 1991-07-30
Abstract: ABSTRACT OF DISCLOSURE      Apparatus and method for jacking and dollying a vehicle wheel assembly, while the assembly remains affixed to the vehicle, the wheel assembly  including  a  pneumatic  tire,  a  wheel  and  an  axle.   The apparatus features a "U" shaped framework having   telescoping body section members  to which orthogonally extending arms are attached. Wheel assembly engaging elements in the form of roller assemblies are mounted on  the framework  arms  for  engaging  the  tire   of a wheel assembly  located  therebetween  for  lifting.    The  apparatus  also includes an actuator mounted on the framework body section members for driving the roller assemblies against the wheel assembly tire to cause left, and form the framework and roller assemblies into a carriage for retaining the wheel assembly.  Still further, the framework is mounted on casters to enable transport of the supported wheel assembly and framework.   The actuator is preferably foot operated and includes a bi-directional,  double pawl,  lever ratchet mechanism having a lever means pivotally mounted to one body section member together with a first and a second pawl, and a rack provided at the other body section member.  The actuator also includes direction control elements having a first setting to enable the apparatus to lift the wheel assembly, and a  second setting  to  enable  the  apparatus  to lower  the wheel assembly.  The method features steps for driving a plurality of wheel engaging elements, at least one of which includeds a roller assembly, against the tread face of the tire of the wheel assembly to be lifted by leveraging  for a predetermine distance the coupling member of one wheel engaging element from a fulcrum located on the  coupling member of another wheel engaging element, then bracing the  coupling members against separation,  and thereafter,  resetting and  re-leveraging to successively  drive  the  wheel  engaging  elements  against the  wheel assembly to produce lift.
Patent CA-1335922-C (CA)
Inventor: DAS SURYYA K
IPC: C09D175/04
Filed: 1988-05-10
Granted: 1995-06-13
Abstract: Hydroxyl-containing polymers prepared by reaction of a polymerizable alpha, beta-ethylenically unsaturated carboxylic acid and an epoxy compound containing greater than 5 carbon atoms are disclosed.  The polymer is prepared by free radical organic solution polymerization techniques.  Synthesis of the polymers by this tech-nique assures multiple hydroxyl functionality in all polymer chains thereby providing good cure response.  The polymers are useful as binders in high solids coating compositions.  When used with appropri-ate curing agents, the resultant coatings have good hardness, high gloss and distinctness of image, have good solvent and humidity resistance and are very resistant to acid etching.
Patent CA-1292054-C (CA)
Inventor: HAGIWARA MASAYOSHI
IPC: H04L12/54
Filed: 1988-05-13
Granted: 1991-11-12
Abstract: ABSTRACT OF THE DISCLOSURE          In order to enable an expansion of a packet switched network and a constitution change thereof to be readily achieved in a multistage switched network constitution, in a packet switched network including a packet data terminal, a packet switching equipment, a PBX, a multiplexer, an LAN, a voice communication apparatus such as a telephone set, and a facsimile or in a linkage between switching modules in a packet switching apparatus, the basic switching modules called configuration units connected to the network are interconnected to each other to form a hierarchic tree structure of which the number of hierarchic levels can be selected depending on a size of the packet switched network.  Furthermore, in order to increase the reliability of the packet data transfer in the multi-stage switched network configuration, there are disposed a plurality of connecting lines between bit switches and upper-level configuration units so as to establish a redundant configuration.
Patent CA-1335150-C (CA)
Title: Process for the production or recovery of acids from metalliferous solutions of such acid
Inventor: KARNER WILHELM
IPC: C23F1/46
Filed: 1988-06-15
Granted: 1995-04-11
Abstract: During the pickling, etching, chemical shaping etc.  of steels, stainless steels, special alloys and special metals and the dissolution of those metals, metalliferous solutions of the acids employed arise in the course of such processes which must either be disposed of by neutralisation or be used for the recovery of the acids and metals by expensive processes.  According to the invention the production or recovery of nitric acid or a mixture of nitric acid and hydrofluoric acid takes place by spray-roasting the solutions at temperatures of 200 to 500° in a reactor (1) and subsequent absorptions or condensation of the gases generated in column means (7, 8) at temperatures of 0 to 70°C.
Patent CA-1309835-C (CA)
Title: Ground anchor
Inventor: CHANDLER DAVID R
IPC: E02D5/80
Filed: 1988-10-18
Granted: 1992-11-10
Abstract: ABSTRACT OF THE DISCLOSURE A plate or wing-type ground anchor for driving upright and into the ground to desired depth and pulled into flat anchoring position at the driven depth is provided with an extended cruciform shaped leg in advance of the plate wings to act as a star drill or chisel facilitating penetration of the ground.  The plate anchor has an axial tubular body portion providing an elongated round bottom socket for mating with a round bottom drive rod for efficient transfer of impact energy from the rod to the anchor.  A raised central rib on the tubular body portion has a sharp front cutting edge and a reduced thickness trailing end with a transverse hole therethrough.  A pull member can include either a loop pivoted in the hole or a shackle straddling the reduced thickness end with a pin pivoted in the hole.  Shoulders on the rib overlie the loop or shackle to divert earth therearound.
Patent CA-1324285-C (CA)
Inventor: JOSEPHSON DAVID B
IPC: A23L5/20
Filed: 1988-11-07
Granted: 1993-11-16
Abstract: PROCESS FOR MASKING A COOKED FLAVOR IN HEATED MILK          Abstract of the Disclosure A method of masking the cooked off-flavor of ultra high temperature processed milk which com-prises introducing into the milk, either before or after the heat treatment, an effective amount of caraway to mask the cooked off-flavor.
Patent CA-1303973-C (CA)
Title: Enhanced oil recovery using a three-stage injection of solvent and water
Inventor: LIN EUGENE C
IPC: E21B43/20
Filed: 1989-01-06
Granted: 1992-06-23
Abstract: ABSTRACT OF THE DISCLOSURE           A three-stage, hybrid solvent and water injec-tion process is provided for the enhanced oil recovery from an oil-bearing formation.  The three-stage process includes the sequential steps of:   (i) injecting part of a selected total amount of solvent into the formation in a  "single  slug"  injection  stage,  (ii)  injecting  the remainder of the total amount of solvent with water into the formation, in a water-alternating-gas (WAG) injection process,  and  (iii)  injecting water into the formation until the water content in the produced mixture of oil and water reaches at least about 90 percent.  The process includes  deriving,  for  the  selected  total  amount  of solvent, a relationship between different first injection stage  amounts  of  solvent  and  corresponding  projected incremental oil recovery rates and selecting from such relationship the part of the solvent to be injected in the single slug injection stage.  The preferred solvent is carbon dioxide, but such other  solvents  as  liquid petroleum or natural gas may alternatively be used.  The total amount of solvent is preferably less than about half the formation pore volume and the amount of solvent selected for injection in the first stage is preferably less than about half of the total amount of solvent.
Patent CA-1322600-C (CA)
Title: Authentication system and apparatus therefor
Inventor: OHTA KAZUO
IPC: G07F7/10
Filed: 1989-06-21
Granted: 1993-09-28
Abstract: ABSTRACT OF THE DISCLOSURE     In the case where a prover A proves the validity of a pretender B to a verifier C, B receives an initial response x' created by A, randomizes it with a random component and sends it as x", and randomizes an inquiry .beta. from C with the random component and sends it as .beta.' to A. A proves, for the received randomized inquiry .beta.', the validity of B by a secret key s randomized with a random number r and then sends it as a proved response z to B.  B removes the random component from the proved response z and sends it as A's proof to C for verification.  B keeps secret the procedures for randomizing the initial response x' and the inquiry  , thereby maintaining secret the correlation between A - B interactions (x', .beta.', z) and B -C interactions (x", .beta., z').          In the case of proving the validity of a message m of a signature client B to the verifier C by attaching a signature of A to the message m, B receives an initial response x' created by A and randomizes it with a random component to create a randomized response x", creates a randomized inquiry .beta.' containing a random component by use of the randomized response x" and the message m, and sends the randomized inquiry .beta.' to A.  A proves, for the randomized inquiry .beta.', its validity by a secret key s randomized with a random number r and then sends it as a proved response z to B.  B removes the random component from the proved response z to create a derandomized response z', which is sent to C for verification.
Patent CA-1337907-C (CA)
Inventor: NISHIO MAKI
IPC: C12P19/56
Filed: 1989-07-07
Granted: 1996-01-09
Abstract: Disclosed herein are N-alkyl derivatives of antibiotics BU-3608, BU-3608 B, C, D and E as well as the corresponding desxylosyl compounds.  These novel compounds are useful as antifungal agents. They have the following structure:       II   wherein R1 is H, or R1 is methyl and the resulting alanyl is D-alanyl; R2 is H or .beta.-D-xylosyl; and Y is NR3R4 or  +NR3R4R5 X-; wherein R3, R4  and R5  are the same or different C1-5alkyl; and X- is a chloride ion; or a pharmaceutically acceptable salt thereof.
Patent CA-1317602-C (CA)
Inventor: LEWNARD JOHN J
IPC: C07C29/153
Filed: 1989-09-29
Granted: 1993-05-11
Abstract: ABSTRACT The present invention relates to a process for improving reactor volumetric productivity in the production of methanol wherein a synthesis feed gas stream containing hydrogen and carbon oxides is contacted with a catalyst slurry containing greater than about 25 wt.% of a powdered copper-containing catalyst having a porosity of from about 30% to 70%.  Volumetric productivity is maximized in the process by controlling a single parameter, gas holdup, wherein holdup is maintained within the range of about 14% to 26%.
Patent DK-165183-C (DK)
Inventor: JANSSENS FRANS EDUARD
IPC: A61K31/44
Filed: 1986-04-14
Granted: 1993-03-15
Abstract: Novel substituted N-[(4-piperidinyl)alkyl] bicyclic condensed oxazol- and thiazolamines of formula <CHEM>  wherein L is a radical <CHEM> the pharmaceutically acceptable acid addition salts and possible stereochemically isomeric forms thereof, which compounds have anti-depressive, anti-Parkinson and enterokinetic activity; pharmaceutical compositions containing such compounds as an active ingredient and methods of preparing said compounds and pharmaceutical compositions.
Patent FI-81545-C (FI)
Inventor: TONOKAWA HIROSHI
IPC: B31C99/00
Filed: 1985-01-08
Granted: 1990-11-12
Abstract: A vessel (10) with a curved surface (13) is insulated with the first layer of insulation (14) formed of a plurality of closed loops (15) joined to each other. A second layer of insulating material (17) is disposed over the first layer (14) and is comprised of a plurality of closed loops (18) of insulating material with adjacent portions of the loops (18) being affixed to each other. Such arrangement allows thicker insulation without the requirement of increased space and heavier equipment.
Patent FI-92557-C (FI)
Inventor: MUELLER HANS
IPC: C07K16/00
Filed: 1987-06-09
Granted: 1997-12-02
Abstract: The process is characterised in that a solution of an immunoglobulin is heated in the presence of a carboxylic acid or of one of its salts and/or a saccharide under such conditions that pathogens which are capable of multiplication, in particular hepatitis viruses or HTLV III ("Aids") viruses, are inactivated. Such a preparation can be used for therapy or prophylaxis.
Patent NO-157931-C (NO)
Inventor: RODRIGUEZ LUDOVIC
IPC: C07D211/70
Filed: 1981-09-14
Abstract: New 2-[4-(diphenylmethylene)-1-piperidinyl]-acetic acids and their amides, processes for the preparation thereof and therapeutic compositions. These compounds have the formula   <IMAGE>   wherein Y=-OH or -NR1R2, R1 and R2=H, alkyl or phenyl; X=H, halogen or alkoxy; m=0, 1 or 2 and n=1 or 2. The 2-[4-(diphenylmethylene)-1-piperidinyl]-acetic acids are prepared by hydrolyzing the corresponding amide or lower alkyl ester, whereas the amides are prepared either by reacting a 4-(diphenylmethylene)-piperidine with an omega-haloacetamide, or by reacting an alkali metal salt of an omega-[4-diphenylmethylene)-1-piperidinyl]-alkanol (m=1 or 2) with a 2-haloacetamide, or by reacting a nitrogen compound (HNR1R2) with a halide or alkyl ester of a 2-[4-(diphenylmethylene)-1-piperidinyl]-acetic acid. These compounds have in particular an antiallergic, spasmolytic, antihistaminic and broncholytic activity.
Patent NO-155125-C (NO)
Inventor: WARTHMANN ROBERT
IPC: B29C65/20
Filed: 1981-11-26
Abstract: The welding apparatus serves for the purpose of butt-welding of plastic pipes of diameters larger than 500 mm. All the work is performed by means of the welding apparatus from inside the pipe. Thereby the working time is reduced, the welding quality ensured, and the installation becomes faster. Lifting cranes and heating tents become unnecessary. A novelty is also the possibility of welding pipes together at an angle position. As the welding apparatus is collapsible, it may also be advantageously used for repair work on old pipes in the ground (relining), with a minimum exposure of the pipes.
Patent NO-162212-C (NO)
Inventor: LETH VIBEKE
IPC: A01N63/30
Filed: 1984-09-06
Abstract: Disease causing material obtainable by cultivation of Phomopsis cirsii or Septoria cirsii can be used for controlling weeds such as compositae.
Patent NO-165829-C (NO)
Inventor: BUNSCHOTEN GERRIT KLAAS
IPC: G01F11/28
Filed: 1985-05-13
Abstract: The invention pertains to a liquid-dispensing container which comprises a squeezable reservoir, a dosage chamber, a duct connecting both chambers and a discharge duct which extends from the dosage chamber defining a non-linear flow path for the liquid to be dispensed. The container provides improved safety to the user.
Patent NO-161935-C (NO)
Inventor: HOERMANN MICHAEL
IPC: E05D13/00
Filed: 1985-07-22
Abstract: 1. Catching device for a single- or multi-part closure leaf for a building, such as a door leaf, more particularly in lifting doors, up-and-over doors or the like, said door being substantially vertically movable, at least in the closing area, said device being held on both sides preferably in the lower side region, by means of tensionable tensioning means (14), such as wire cables in particular, on a manually operated or motor-driven drive mechanism and/or weight equalising device, having a catching member (23) for each tensioning means, said member being controlled as a function of the tensile stress thereon, such that when the tensioning means are subjected to tensile stress said catching member is held in a release position (25) which does not impede the operating movement of the door and when there is no tension on the tensioning means the catching member is movably guided, under spring-loaded biasing force, into a catching position (26) in which the catching member acts in positive or frictional engagement on a catching rail (7) arranged to extend parallel to the direction of the movement of the door, characterized in that a catching member housing (10) is provided on which the catching member (23) is movably guided between the release position (25) and the catching position (26), said housing containing the catching member (23) in the release position (25) and having a lateral opening (19) through which an engagement portion (24) of the catching member (23) passes in the course of the transition from the release position (25) into the catching position (26) and outside the catching member housing (10) into the region of the catching rail (7), in the catching member housing (10) receives the tensioning means (14) at one (16) of its two opposite end faces (16, 17) and in that the catching member housing (10) has, at its other end face (17), a guide opening (28) through which a pin (12) passes in longitudinally movable manner, said pin being adapted to be secured to the door (1) by its end (13) located outside the catching member housing (10) and said pin acting on the catching member (23) by its end portion (29) located within the catching member housing (1) and said pin being biased by a spring (32) arranged inside the catching member housing (10) into a position of displacement (40) into the inferior of the catching member housing (10).
Patent NO-162447-C (NO)
Inventor: RYHAENEN VILJO HEIKKI KALEVI
IPC: E04C2/04
Filed: 1987-02-16
Abstract: The application disclosed a method and machine for the automatic setting of bricks onto a supporting layer. So far, prefabricated wall panels have been made by setting the bricks manually into a mold equipped with brick compartments and intended for the said panel. A separate mold had to be prepared for each different panel shape. The object of the present invention is to facilitate, speed up and decrease the cost of the setting of bricks. In the machine according to the invention, the method is carried out by feeding into a cassette conveyor (1, 2, 3, 4) a batch of filled cassettes, of which the first is directed to below the brick take-off device (5). When the cassette conveyor is full and the first cassette is under the take-off, the automatic operation of the machine is started. The brick take-off lifts the topmost brick layer from the cassette and lowers it onto a brick conveyor (6), wherefrom the brick rows are directed onto a transverse belt conveyor (8). A rotating wheel (9) has been fitted to receive one brick at a time into a compartment at its periphery and, after rotating half a round, to lower it onto a flight conveyor (10). The flight of the flight conveyor takes the brick fed by the turning device, or remains vacant if the rotating wheel has been programmed not to rotate and not to deliver a brick onto the flight. A full row of bricks is formed on the flight conveyor, and a pushing device (11) pushes the row onto a centering table (12), on which the distances between the bricks are evened out. A pick-up device above lifts the centered bricks, centering them in their longitudinal direction, and lowers them into the mold in one, two or several batches, in accordance with the desired bond, the machine moving forward one step between the lowerings in accordance with the programmed bond. The machine stops at the latest upon the panel being completed and also upon the cassettes having been emptied.
Patent NO-174852-C (NO)
Inventor: BROCKS DIETRICH
IPC: C07D213/81
Filed: 1988-02-09
Abstract: Pyridine-2,4- and 2,5-dicarboxylic acid derivatives, a process for their preparation, the use thereof, and medicaments based on these compounds. The invention relates to pyridine-2,4- and -2,5-dicarboxylic acid derivatives of the formula I   <IMAGE> (I) in which R1, R2 and X have the indicated meanings, to a process for the preparation of these compounds, and to their use, in particular in medicaments for influencing the metabolism of collagen and collagen-like substances and the biosynthesis of C1q.
Patent NO-174885-C (NO)
Inventor: CANNATA VINCENZO
IPC: C07C227/20
Filed: 1989-07-11
Abstract: New process for the synthesis of optically active aminoacids of formula <CHEM> wherein R and R1, equal or different,represent a hydrogen atom or an alkyl radical, straight or branched, containing from 1 to 6 carbon atoms, by reacting compounds of formula <CHEM> wherein R and R1 have the above seen meanings, R2 represent a nitrile group or a COR4 group wherein R4 represents hydroxy or halogen or alkoxy, straight or branched,containing from 1 to 6 carbon atoms,or a OCOR5 wherein R5 represents an alkyl or an alkoxy group, straight or branched, containing from 1 to 6 carbon atoms and R3 represents hydrogen, an alkyl or an alkoxy radical, straight or branched, containing from 1 to 6 carbon atoms or an aryl or aralkyl radical, with an optically active alcohol of formula  R6-OH      (III)  d or l wherein R6 represents an alkyl or cycloalkyl group, substituted or unsubstituted, containing from 3 to 12 carbon atoms, to obtain a pair of diastereoisomer esters of formula <CHEM> which is resolved in basic medium into the single diastereoisomer esters of formula <CHEM> from which the desired optically active aminoacid of formula (I) is obtained by treatment in acid medium.
Patent NO-172753-C (NO)
Inventor: BERCHTOLD LORENZ
IPC: C22C5/02
Filed: 1989-08-23
Abstract: To produce jewellery articles and coins, a high-gold content alloy of 84 to 99% by weight of gold, 1 to 6% by weight of cobalt, 0 to 6% by weight of copper and 0 to 4% by weight of silver and/or zinc is used. It is hardenable and is tolerated by the skin.