baber/WOPTO huggingface dataset:
Patent CA-1283772-C (CA)
Title: Leaching solution distribution arm and control therefor
Inventor: MITCHELL PHILLIP
IPC: C22B3/02
Filed: 1987-11-06
Granted: 1991-05-07
Abstract: LEACHING SOLUTION DISTRIBUTION   ARM AND CONTROL THEREFOR                 ABSTRACT OF THE DISCLOSURE      A rotatable leaching solution distribution arm is carried on a central chamber member and disposed in a tank at an elevation above another rotatable arm also carried by the member for distribution of a washing solution into the tank.  The leaching solution distribution arm has discrete conduits terminating in corresponding outlets along the arm together with flow control devices accessible externally of the tank for each conduit so that the flow from each outlet into the tank can be monitored and adjusted.
Patent CA-1334231-C (CA)
Title: Water soluble or dispersible polyurethanes, a process  for their preparation and their use for coating substrates
Inventor: MOSBACH JUERGEN
IPC: C08G18/28
Filed: 1987-11-25
Granted: 1995-01-31
Abstract: The present invention is directed to water dispersible or soluble polyurethanes containing about 0.5 to 30% by weight, based on the weight of the poly-urethanes, of ethylene oxide units present in lateral or terminal polyether chains, characterized in that in addition to these ethylene oxide units the polyurethanes contain, as further hydrophilic centers, about 0.1 to 120 milliequivalents, per 100 g of solids content, of carboxylate groups in the form of built-in structural units corresponding to the general formula   wherein R denotes an alkyl group having 1 to 4 carbon atoms and the total quantity of carboxylate groups and ethylene oxide units present in lateral or terminal chains is calculated to ensure the solubility or dispersibility of the polyurethanes in water.         The present invention also relates to a process for the preparation of these polyurethanes and to their use for coating substrates.
Patent CA-1313359-C (CA)
Inventor: SELIGSON DAVID B
IPC: C12Q1/68
Filed: 1987-11-30
Granted: 1993-02-02
Abstract: ABSTRACT          A  method  for  isolating  and  purifying  nucleic acids from a biological sample is described.  The method employs anion exchange materials, preferably the chloride form of such materials, to bind the nucleic acids and uses halide salts of increasing molarity,  preferably chloride salts, to adsorb, wash and elute the nucleic acids.
Patent CA-1341139-C (CA)
Title: Tetrahydropyridine oxime cholinergic agents and method of treatment
Inventor: MOOS WALTER HAMILTON
IPC: C07D213/30
Filed: 1988-02-16
Granted: 2000-11-14
Abstract: Certain ~-substituted 1-(1,2,3,6-tetrahydro--3-pyridinyl)oximes and ~-substituted 1-(1,2,3,6-tetra-hydro-4-pyridinyl)oximes are useful as analgesic agents or agents for the treatment on amelioration of the symptoms of cerebral insufficiency characterized by decreased central acetylcholine production or release.
Patent CA-1310949-C (CA)
Inventor: BOSE TAPAN K
IPC: C01B32/00
Filed: 1988-02-24
Granted: 1992-12-01
Abstract: ABSTRACT The invention is concerned with a dimensional-ly stable,  high-density adsorbent comprising a compacted mass of high surface area carbon particles bound together with a  binder and  defining  a  network  of  substantially unobstructed micropores,  the mass of carbon particles in the  form  of  a  powder  having  been  compacted  under  a pressure sufficient to cause a reduction of at least about 50%  in  bulk  volume  of  the  mass  and  a  corresponding increase of at least about 50% in density.  The adsorbent according  to  the  invention  is  capable  of withstanding powdering when subjected to vibration and exhibits a gas storage capacity  sustantially greater  than that  of the high surface area carbon particles in powder form.  It is particularly  useful  in  adsorption  storage  systems  for low-pressure storage of compressed natural gas.
Patent CA-1304823-C (CA)
Title: Apparatus and method for synchronization of arithmetic exceptions in central processing units having pipelined execution units simultaneously executing instructions
Inventor: CUTLER DAVID N
IPC: G06F9/38
Filed: 1988-03-18
Granted: 1992-07-07
Abstract: ABSTRACT    In  a  data  processing  system  in  which  the component  central  processing  units  can  have  a plurality of parallel pipelined execution units,  an instruction, and apparatus for implementation of the instruction,  are  provided  which  facilitates  the synchronization  of arithmetic  exceptions  with  the context environment in which the instruction should execute.  The current invention permits the central processing unit to complete instructions currently being processed by the execution units, but prevents further instructions from being initiated until all currently executing instructions have been completed and  all outstanding exception conditions have  been resolved.  After all the instructions preceding  the DRAIN  instruction  of  the  present  invention  in  the program instruction sequence have been executed, the central processing unit can continue to execute the sequential  program instructions when  no  arithmetic exception  has  been  identified,  or  can  invoke  an exception  handling  procedure  when  an  arithmetic exception  has  been  identified.  The  instruction  is typically positioned in an instruction sequence after an instruction that has high degree of probability of resulting  in  the  identification  of  an  arithmetic exception condition.  The DRAIN instruction permits the  source  of  the  exception  to  be  localized  and permits  the  response  to  all  arithmetic  exceptions associated  with  instructions  initiated  before  the DRAIN instruction, but identified after the execution of the DRAIN instruction, to be handled in the same context  environment  in  which  the  instruction  was initiated.
Patent CA-1297964-C (CA)
Title: Electrical connectors and clips and methods of use
Inventor: NOSCHESE ROCCO
IPC: H01R13/627
Filed: 1988-03-24
Granted: 1992-03-24
Abstract: ABSTRACT    The combination of a plurality of like connectors and a pair of clips coupling together the connectors in a stack.          Each of the connectors comprises a housing fabricated of an electrically insulating material and is shaped with parallel upper and lower surfaces and with spaced front and rear faces and with spaced edges.  Each housing has resilient edge latches positioned adjacent its edges with each edge latch having an extent movable toward the housing upon the application of pressure and resiliently movable away from said housing upon the removal of the pressure.  Each of the clips comprises sections formed in a U-shaped configuration.          Each pair of clips is positionable in operative association with the edge latches of a plurality of connectors in a stack so as to couple together the connectors of their associated stack and to apply an inwardly directing compressive pressure to a plurality of edge latches in the stack whereby only one edge latch along each edge of a stack of connectors is resiliently biased outwardly.  Also disclosed are the clips, per se, and the method of using the connectors and clips.
Patent CA-1283444-C (CA)
Title: Method and apparatus for overspeed protection for high speed centrifuges
Inventor: GIEBELER ROBERT H
IPC: B04B9/10
Filed: 1988-05-12
Granted: 1991-04-23
Abstract: METHOD AND APPARATUS FOR OVERSPEED PROTECTION FOR HIGH SPEED CENTRIFUGES            ABSTRACT OF THE DISCLOSURE         An apparatus and method of protecting a cen-trifuge from rotor overspeed and resultant mishap by computation of the rotor moment of inertia is disclosed. In the preferred embodiment, a centrifuge is driven by a rotor mounted on a shaft which shaft is in turn driven by a constant current motor.  A tachometer for detecting angular velocity of the drive shaft is used.  A desired and ultimate centrifuge operating speed is selected by the operator.  The times at which the rotor passes the rough discrete speeds are recorded and from the time difference the moment of inertia is computed.  The mo-ment of inertia can thereafter be utilized to discretely identify or "finger print" rotors to disqualify certain rotors from use in particular centrifuge protocols and establish gross limits of centrifuge operating speed.
Patent CA-1321573-C (CA)
Inventor: GARRIGUES JEAN-CLAUDE
IPC: F16J15/00
Filed: 1988-05-19
Granted: 1993-08-24
Abstract: DE DIVULGATION La garniture selon l'invention comprend deux éléments d'étanchéité de forme circulaire, sensiblement concentriques, à savoir : un élément d'étanchéité statique et un élément d'étanchéité dynamique, ces deux éléments étant reliés l'un à l'autre par une membrane étanche. L'élément comprend une enveloppe formant un logement annulaire contenant un sommier annulaire élastiquement déformable, contre lequel est maintenu serré un anneau de réaction. L'invention permet notamment d'obtenir un centrage du sommier sur l'anneau de réaction.
Patent CA-1309733-C (CA)
Inventor: PETER JUERGEN
IPC: B65H20/28
Filed: 1988-05-27
Granted: 1992-11-03
Abstract: ABSTRACT           Apparatus for stacking panels of a running web in zig-zag formation by folding the web along transversely extending weakened fold lines has a vertically movable table which supports successive growing stacks at a stacking station and has a concave or convex upper side serving to impart to the panels above it a concavo-convex shape.  The fold lines between the panels of the growing stack are pushed downwardly and thereby caused to assume an arcuate shape by a set of rotary folding fingers and by a conveyor which cooperates with a suction chamber and pulls the adjacent fold lines of the growing stack downwardly toward the upper side of the table.  The concavo-convex panels of the growing stack are stiffer than plane panels and ensure that the growing stacks resemble parallelepipeds with neighboring sides disposed at right angles to each other and without sagging of panels between the corresponding fold lines.
Patent CA-1333844-C (CA)
Title: Optical article exhibiting a high level of second order polarization susceptibility
Inventor: ULMAN ABRAHAM
IPC: G02B1/08
Filed: 1988-08-24
Granted: 1995-01-10
Abstract: An optical article is disclosed containing, for the transmission of electromagnetic radiation, a medium exhibiting a second order polarization susceptibility greater than 10-9 electrostatic units comprised of polar aligned noncentrosymmetric molecular dipoles.  The molecular dipoles have an electron donor moiety linked through a conjugated .pi. bonding system to an electron acceptor sulfonyl moiety.
Patent CA-1312744-C (CA)
Title: Combined closed and open tube sampling apparatus and method
Inventor: UFFENHEIMER KENNETH F
IPC: G01N35/10
Filed: 1988-11-01
Granted: 1993-01-19
Abstract: ABSTRACT     Sampler apparatus and method are provided and include both closed and open tube samplers, and selector valve operable to select therebetween for sample supply to automated sample analysis apparatus.  A shear valve divides the samples into separate sample quantities for independent sample quantity analysis by multi-channel sample analysis apparatus.  A pressure equilibration chamber prevents vacuum build-up in the closed tube sampler to insure the supply of consistent sample quantities therefrom.   A source of a pressurized rinse solution is provided; and is operatively connected to the sampler apparatus in such manner as to insure the particularly thorough rinsing and cleansing of all relevant sample components to remove sample residue therefrom between sampling operations, thereby reducing sample carryover to levels below those of clinical significance.
Patent CA-1296427-C (CA)
Title: Vending machine with monitoring system
Inventor: SCHWARTZENDRUBER WILBUR
IPC: G07F9/02
Filed: 1988-11-08
Granted: 1992-02-25
Abstract: VENDING MACHINE WITH MONITORING SYSTEM            ABSTRACT OF THE DISCLOSURE           A  large  inventory  vending  machine  with monitoring system comprises a plurality of compartments for storing articles to be dispensed,  user activated dispensing apparatus connected to respective ones of the compartments  for  dispensing  individual  ones  of  the articles, circuitry for detecting the number of articles in respective ones of the compartments, and circuitry for communicating the number of articles in respective ones of the compartments to a remote location, whereby inventory status of the vending machine is maintained at the remote location.
Patent CA-1308271-C (CA)
Title: Connectors for concrete structural elements
Inventor: SPRONKEN JOHN R
IPC: E04H13/00
Filed: 1988-11-25
Granted: 1992-10-06
Abstract: Abstract A connector assembly is described for concrete structural elements, such as concrete crypt modules for mausoleum structures.  The connector assembly comprising (a) a top corner member connectable to a concrete struc-tural element with a horizontal leg extrending along the top of the structural element and a vertical leg extending down one side of the structural element, said vertical leg having an inwardly stepped portion extending downwardly from the top of the structural element and terminating in a horizontal shelf portion and said horizontal leg having a recess adapted to extend into the concrete, one edge of said recess and the top end of the vertical leg having opposed interlock projections and (b) interlock plate means having projections for engaging said opposed interlock projections and one edge of said plate means having a down-wardly projecting flange terminating above the corner member shelf portion, said downwardly projecting flange and shelf forming therebetween a pocket for retaining the end of an L- or T-shaped connector of an adjacent concrete structural element.
Patent CA-1305541-C (CA)
Title: White touch pads for capacitive touch control panels
Inventor: SCHULTZ JOHN JR
IPC: H01H36/00
Filed: 1988-12-15
Granted: 1992-07-21
Abstract: WHITE TOUCH PADS FOR CAPACITIVE TOUCH CONTROL PANELS            ABSTRACT OF THE DISCLOSURE A capacitive touch pad assembly which provides a touch control panel for an appliance with white touch pad appearance.  A thin dielectric substrate has an outer touch electrode of a relatively dark-colored conductive material deposited on its outer surface and a pair of spatially separated inner electrodes formed on the inner surface of the dielectric layer for connecting to the control circuitry. To achieve a light-colored appearance for the touch pads, a layer of relatively light-colored non-conductive decorative material is applied to the outer surface overlaying the electrode to hide its dark color except for a small exposed area of the electrode which defines a symbol relating to the function of the pad. The exposed area may be covered by a second layer of dark conductive material or left exposed. The symbol enables direct human body member contact with the outer electrode.
Patent CA-1312462-C (CA)
Title: Apparatus for coating a web with coating mix
Inventor: KAERNAE ANSSI
IPC: B05C3/18
Filed: 1989-01-19
Granted: 1993-01-12
Abstract: Abstract of the Disclosure This   invention  describes   a  short-dwell coater for coating a web with coating mix against a rotating backing roll.  The coater comprises a support structure, a feeder means adapted to the front lip for feeding the coating mix into an application zone formed between the backing roll and the support structure, and an  actual  doctor blade,  adapted  into  the  support structure to press against the web, with which blade the  excess  coating  mix  passing  over  from  the application zone can be removed.   According to the invention, a separate predoctoring blade is adapted at a short distance before the actual doctor blade in the machine  direction  of  the  web  for  smoothing  out disturbances in the coating mix flow before the mix proceeds up to the actual doctor blade.
Patent CA-1315256-C (CA)
Title: Systeme pour l'arrimage d'un ensemble articule d'elements sur un engin spatial
Inventor: MARELLO GEORGES
IPC: B64G1/44
Filed: 1989-02-21
Granted: 1993-03-30
Abstract: Système pour l'arrimage de panneaux solaires déployables sur un engin spatial, à l'aide d'une tige traversante. On prévoit un mécanisme à ressort pour dégager la tige traversante des panneaux solaires au moment du déploiement de ceux-ci, puis pour ramener la toge dans sa position initiale. Ainsi, la face porteuse des piles photovoltaïques des panneaux solaires, en position déployée, devient complètement dégagée de toute structure de l'engin spatial.
Patent CA-1303899-C (CA)
Inventor: MICHL KURT D
IPC: B41F7/30
Filed: 1989-03-02
Granted: 1992-06-23
Abstract: Abstract of the Disclosure A control system for an offset printing press includes a microprocessor-based dampener, register and ink (drink) processor which controls color register, inkrate and damprate.          Damprate curve data, flood requests and adjustments to individual nozzles on the spraybar can be downloaded from a master work station to the drink processor and used to control the rate at which the spraybar nozzles are pulsed on and the duration that each separate nozzle remains on.
Patent CA-1339848-C (CA)
Inventor: DESAGE ROBERT
IPC: F22B1/30
Filed: 1989-03-29
Granted: 1998-04-28
Abstract: The invention concerns a method and apparatus for cooking or reheating food by means of steam. 
<??>This apparatus is characterised in that it comprises a steam generator (1) connected to a steam diffuser (4) facing and in the proximity of which is placed the food (52) to be cooked, inside a cooking enclosure (3), a device for raising the temperature of the steam produced by the generator (1) to a value higher than its boiling temperature at the operating pressure, and means (6, 7) for controlling the temperature of the steam emerging from the diffuser (4), the flow rate of this steam and the temperature of the wall of the cooking enclosure (3). 
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Patent CA-1325684-C (CA)
Inventor: HASSOUN JOSEPH H
IPC: G09G5/22
Filed: 1989-04-19
Granted: 1993-12-28
Abstract: Abstract A cost-efficient design for a CRT computer terminal is presented.  The need for a master processor is eliminated by designing a CRT controller to initialize a slave processor.          The slave processor accesses a random access memory (RAM) in which is stored instructions which the processor executes.          Upon initialization of the computer terminal, the CRT controller reads instructions to be executed by the slave processor from a non-volatile read-only memory (ROM).   The instructions are transferred from the CRT controller to the slave processor.  The slave processor stores the instructions in the random access memory.  Each instruction, at the proper time, may then retrieved and executed by the slave processor.
Patent CA-1277105-C (CA)
Inventor: KRAGLE GEORGE D
IPC: B05B12/00
Filed: 1989-06-26
Granted: 1990-12-04
Abstract: A?RACT OF THE DISCLOSURE A two-head shower arm, of integral, one-piece construction, having a rectilinear, straight pipe and upstream and downstream depending pipe portions, all having the same inside diameters and possessing the inherent and self-contained functional attributes and qualities of substantially the same volumetric water discharges from both depending pipe portions, without recirculation, surge of hammer; and adapted for free-standing cantilever mounting relationship with an existing water supply outlet fitting in a shower enclosure's vertical side wall to dispose thereby shower heads carried by the depending pipe portions in the same horizontal plane in normal relationship with the vertical side wall.
Patent CA-1323351-C (CA)
Inventor: MALKIN BRUCE
IPC: B65H49/28
Filed: 1989-06-29
Granted: 1993-10-19
Abstract: ABSTRACT      The flat undersurface of the turntable is supported on three idler casters.  The disc is driven on the periphery by a gear motor which has a drive wheel attached.  The direc-tion of rotation of the turntable can be reversed by chang-ing the direction of the motor electrically and by moving the position of the motor so that it tends to drive into the disc as it turns thereby increasing the wheel pressure and friction as the load increases.  A spring bias's the drive wheel towards this position so that when the power is turned off the motor and gear train acts as a brake.  A pair of guide wheels act with the drive wheel to center the turn-table.   The  motor  speed  is  controlled  by  changing  the resistance of a potentiometer on a variable  speed motor controller.  The potentiometer is converted from a circular motion to a linear motion by a capstan and cable arrange-ment.  A slide moves, when pulled by the stock.  The slide pulls a cable that is wrapped around a capstan which is attached to the speed control potentiometer.  The cable is pinned to the capstan and is weighted at the other end to provide  a  constant tension but variable  speed  supply of stock.
Patent CA-1311302-C (CA)
Title: Apparatus and methods for recovering alignment from a non-ideally encodedmulti-bit digital signal
Inventor: ANDERSON MILTON M
IPC: H04B14/06
Filed: 1989-09-26
Granted: 1992-12-08
Abstract: Abstract of the Disclosure Apparatus and methods are disclosed for recovering alignment from a non-ideally encoded multi-bit digital signal without the need to embed framing information within the encoded signal or append framing bits thereto.  In particular, the invention is disclosed in the context of recovering septet alignment in a sub-band ADPCM (adaptive differential pulse code modulated) 7 kHz audio digital signal without the need to embed any framing information within the digital signal itself.  Specifically, in this context, this method relies on first gathering statistics from a 56 kbit/second 7 kHz audio digital signal itself for a pre-defined number of incoming bits that occur during a measurement interval and for every one of seven possible alignments for a septet.  Once these statistics are gathered, the alignment is selected to be that which satisfies various pre-defined statistical tests that are dictated by non-uniform deterministic characteristics that occur in the ADPCM audio digital signal itself, once it is properly aligned, and specifically certain characteristics which exist in a distribution of the occurrences of the different combinations of the four most significant bits of the low-band ADPCM codewords situated within properly aligned ADPCM septets that occurred during the measurement interval.
Patent CA-1279180-C (CA)
Inventor: VANDERSLICE REBECCA W
IPC: C08B37/18
Filed: 1989-10-26
Granted: 1991-01-22
Abstract: A POLYSACCHARIDE POLYMER MADE BY XANTHOMONAS          ABSTRACT OF THE INVENTION        A polysaccharide polymer is disclosed which is a better viscosifier of water than xanthan gum. The polysaccharide polymer and its non-acetylated form, are comprised of glucose and mannose moieties in a ratio of about 2:1. The invention also discloses Xanthomonas mutants which produce the polysaccharide polymer but which do not produce xanthan gum. Methods of preparing the polysaccharide polymers and of their use are also described.
Patent DK-157704-C (DK)
Inventor: BERGMANN KONRAD
IPC: F16K11/078
Filed: 1983-03-29
Granted: 1990-06-25
Abstract: This invention concerns a sanitary water valve having a valve assembly, which includes a cylinder having a bore extending longitudinally therethrough and at least one water inlet orifice and a water outlet orifice formed in the cylinder wall; and a slot or opening, extending longitudinally over the length of the cylinder wall. The at least one water inlet orifice and water outlet orifice are formed on the cylinder and positioned the same longitudinal distance from one end thereof. A piston is positioned in the cylinder bore and is rotatably and longitudinally shiftable therein, the piston including a water mixing chamber in the form of a transverse slot or water passage, which is arranged and constructed to connect with at least one water inlet orifice and the water outlet orifice.