baber/WOPTO huggingface dataset:
Patent CA-2075875-A1 (CA)
Title: Use of wash press for pulp alkali addition process
Inventor: JOSEPH JAMES C
IPC: D21C9/147
Filed: 1992-08-12
Abstract: USE OF WASH PRESS FOR PULP ALKALI ADDITION PROCESS                         ABSTRACT           Unbleached pulp is combined with an aqueous alkaline solution while in a state of low consistency to distribute a first amount of alkaline material sub-stantially uniformly throughout the pulp.  The consistency of the pulp is then increased to above about 18%, and the high consistency alkali containing pulp is then treated with oxygen to effect delignification.  Additional alkali may be applied onto the high consistency pulp prior to oxygen delignification to provide a total amount of between 0.8 and 7% by weight of oven dry pulp.  The invention contemplates the use of one or more wash presses for reducing the overall amounts of alkaline material utilized in the process.  High strength, low lignin pulps are subsequently formed which may be further bleached to high brightness with reduced amounts of chemicals by following the methods of the invention.
Patent CA-2075887-A1 (CA)
Inventor: VAN DEVENTER MATTIJS O
IPC: H04B10/272
Filed: 1992-08-12
Abstract: Optical reflective star device for transmitting signals between a plurality of transceivers, provided with a plurality of ports for distributing each signal supplied to one port over the other ports. The reflective star device comprises a plurality of star elements having a plurality of reflection branches and a plurality of through-connections between the star elements. An optical amplifier is disposed in at least one of the reflection branches and/or through-connections.
Patent CA-2075926-A1 (CA)
Title: Hydroquinone amino-acid esters, method of preparation, and pharmaceutical or cosmetic compositions containing them
Inventor: LARUELLE CLAUDE
IPC: A61K8/00
Filed: 1991-02-13
Abstract: Hydroquinone amino-acid esters having formula (I), pharmaceutical or cosmetic compositions containing them, particularly dermatological compositions having pigment-removing activity, and the pharmaceutical, cosmetic or aesthetic uses thereof. The preparation of these novel hydroquinone esters from natural amino-acid derivatives is also described.
Patent CA-2079295-A1 (CA)
Title: Catalyst inventory control in an ebullated bed process
Inventor: NELSON GERALD V
IPC: B01J8/18
Filed: 1992-09-28
Abstract: An improved method of controlling catalyst inventory in the reactor of an ebullated bed process has been discovered.      Pressure differentials are measured to calculate a catalyst inventory characterization factor. This factor is calculated by means of a new algorithm. Aged catalyst is withdrawn and fresh catalyst added in an amount to reestablish the value of the factor. The catalyst to oil ratio is maintained despite changes in bed ebullition, gas and liquid holdups, oil residence time and conversion.
Patent CA-2081865-A1 (CA)
Title: Cationic polyurethane compositions, quaternary ammonium salts and methods for their preparation
Inventor: BECHARA IBRAHIM
IPC: C08L71/02
Filed: 1992-10-30
Abstract: CATIONIC: POLYURETHANE COMPOSITIONS, QUATERNARY AMMONIUM SALTS AND METHODS FOR THEIR PREPARATION                       Ibrahim Bechara Thomas R. Baranowski ABSTRACT OF THE DISCLOSURE           The preparation and use of quarternized bis hydroxy alkyl amines by the reaction of a tertiary amine and an alkylene oxide in a strong acid system are disclosed.  Cationic polyurethane compositions containing pendent hydroxy alkyl groups and methods for their preparation are also disclosed.
Patent CA-2082320-A1 (CA)
Title: Movable shroud center standoff
Inventor: LENZI GEORGE
IPC: H01R12/75
Filed: 1992-11-06
Abstract: In order to accomplish the object of the present invention there is provided a movable standoff for maintaining a distance between a backplane and a shroud.      Several receptacles are attached to the front side of the backplane and have pins that pass from the front side of the backplane to the rear side of the backplane.       Additionally, the pins pass through the shroud. The movable standoff has an orifice extending from a first end to a second end. The pins of the receptacles pass through the orifice. The first end rests against the back side of the backplane, the shroud rests against the second end.      Also, the second end of the movable standoff is smaller than the first end.
Patent CA-2083614-A1 (CA)
Title: Method for the preparation of .alpha.-aluminium oxide powder
Inventor: VAN DIJEN FRANCISCUS
IPC: C01F7/441
Filed: 1992-11-23
Abstract: ABSTRACT         A method for preparing aluminium oxide powder having  a  high  .alpha.  proportion,  crystallite  sizes  of approximately 0.1 µm and narrow particle size distribution is  disclosed  starting  from  customary  Bayer  aluminium hydroxide (gibbsite) or from aluminium oxide calcined at a low  temperature.     The  starting  material  is  wet-disagglomerated, mixed with .alpha.-aluminium oxide nuclei, dried and calcined.  The calcination produces agglomerates with the suitable crystallite size required, and which only need be disagglomerated to the particle size required.  The .alpha.-aluminium oxide powder prepared according to this invention is particularly suitable as a starting material for the production of high-performance ceramics, such as blanking dies.
Patent CA-2084945-A1 (CA)
Title: Method and device for steering light
Inventor: NELSON WILLIAM E
IPC: G02B26/08
Filed: 1992-12-09
Abstract: A method for periodically steering a beam of light is disclosed comprising the steps of reflecting a beam of light off of a mirror (16) suspended by at least two supporting elements (20). At least one of the supporting elements (20) is displaced from an edge of the mirror. A periodic voltage is applied to an electrode displaced from the mirror to cause the mirror to rotate about an axis.
Patent CA-2086147-A1 (CA)
Title: Powder coating of thermosetting adhesives onto metal substrates to enable a friction material to be bonded to the metal substrate
Inventor: HAYWARD THOMAS W
IPC: C09K3/14
Filed: 1992-12-23
Abstract: ABSTRACT OF THE DISCLOSURE The present invention relates to a method of manufacturing a composite friction element wherein a powdered solventless thermosetting adhesive is applied to a metal substrate and the product made therefrom. The metal substrate and thermosetting adhesive material are heated to allow the powdered solventless adhesive material to flow but not crosslink. A friction material is applied under heat and pressure to the adhesive material such that the adhesive material crosslinks and a composite friction element is formed.
Patent CA-2086156-A1 (CA)
Title: Aqueous coating agent, its manufacture and use for producing layers of filler
Inventor: DOBLER KLAUS
IPC: C08G18/42
Filed: 1992-12-23
Abstract: Abstract Aqueous coating agent comprising a water-dilutable mixture of binding agents consisting of I.   50 to 88 wt.-% of a neutralised water-soluble reaction product comprising (A)  10 to 80 wt.-% of a polyurethane resin with an acid number of 70 to 160, at least one terminal blocked isocyanate group devoid of free hydroxyl groups and fatty acid residues with more than 12 C-atoms and with a limiting viscosity number of 6.5 to 12.0 ml/g, measured in DMF at 20°C, and (B)  20 to 90 wt.-% of a polyester resin with an OH-number of 50 to 500, an acid number of less than 20, a limiting viscosity number of 8.0 to 13.0 ml/g, measured in DMF at 20°C, with the reaction product having a limiting viscosity number of 13.5 to 18.0 ml/g measured in DMF at 20°C.             II.  10 to 40 wt.-% of one or several blocked polyisocyanates not capable of being diluted with water, and III. 2 to 30 wt.-% of at least one amine resin by way of additional cross-linking agent.
Patent CA-2089256-A1 (CA)
Title: Thiazolidin derivatives
Inventor: BRON JAN
IPC: A61P9/06
Filed: 1991-09-03
Abstract: Compounds of general formula (I) wherein the substituents and symbols have the meanings as given in the specification, are new compounds with marked cardiovascular activity.
Patent CA-2090171-A1 (CA)
Title: Opioid receptor antagonists, their synthesis and use as analgesic and immunosuppressive compounds
Inventor: SCHILLER PETER W
IPC: C07K5/087
Filed: 1993-02-23
Abstract: Abstract Compounds of the formula I as well as a process for their preparation, their pharmaceutical preparations and their use H-Tyr-Tic-X     (I) wherein X is -Phe-OH, -Phe-NH2, -Phe-Phe-OH, -Phe-Phe-NH2, -Trp-Phe-NH2, -Trp-Phe-OH, -Phe-Phe(p-NO2)-OH, -Trp-Phe(p-NO2)-OH or -Phe-Trp-NH2
Patent CA-2090683-A1 (CA)
Title: Apparatus and method of fabricating a monolithic solid oxide fuel cell
Inventor: MINH NGUYEN Q
IPC: H01M8/24
Filed: 1991-07-10
Abstract: The invention details a two-step densifying process, method, and apparatus for making a solid oxide ceramic fuel cell (20). According to the invention, a limited number of anode (30)-electrolyte (31)-cathode (32) cells separated by a single or trilayer in-terconnect (33) are formed and densified. Subsequently, a plurality of the densified cells are stacked and further processed to form a monolithic array:
Patent CA-2091721-A1 (CA)
Title: Method and device for sealing a bottle
Inventor: HEUDECKER GERHARD
IPC: B67B3/12
Filed: 1993-03-16
Abstract: Abstract Method for sealing a bottle by deforming a crown cap put on a bottle mouth, in which a holding element positions the crown cap on the bottle mouth during a positioning phase. In a sealing phase the crown cap is inserted in a sealing end of the sealer through a conical inlet region, is deformed thereby and fixed on the bottle. After deformation of the crown cap, a rejecting element rejects the crown cap from the sealing end during a rejection phase.            To seal the bottle with a severely increased pressure and during the sealing phase almost without any head-pressure and in a simple way without breaking the bottle, the holding element holds the crown cap during the positioning and sealing phase basically without any pressure on the bottle mouth and during a following sealing phase the rejecting element is biased for rejecting the crown cap during the rejection phase.
Patent CA-2094078-A1 (CA)
Inventor: HATHAWAY GEORGE D
IPC: H02K31/00
Filed: 1993-04-15
Abstract: This invention relates to a homopolar machine. The homopolar machine can be used as a generator or a motor. In one embodiment, the homopolar machine has a conductive shaft which orbits around two stationary conductive shafts. There are four electrical connection means, two located on the orbiting shaft and one located on each of the stationary shafts. Each of the two electrical connections on the stationary shafts are connected to an electrical connection on the orbiting shaft. In this way, the three shafts are electrically connected. There is also an armature means, which in a preferred embodiment is disc shaped, located at at least one of the four electrical connections and comprising at least one of the electrical connection means. furthermore, a magnetic flux path mechanically associated with the orbiting shaft intersects at least one of the armature means. In operation, the orbiting shaft moves around the two stationary shafts. This motion causes relative rotational movement between the magnetic flux path and the armature means thereby creating an electrical potential across the armature means. Because the armature means is located in one of the electrical connection points and comprises an electrical connection means, any electrical energy generated by the armature means can be removed from the two stationary shaft means.      Therefore, any electrical energy generated by the machine can be removed without the need for brushes. In a further embodiment, four armature means, each of the four comprising one electrical connection means, generate electrical energy in series.
Patent CA-2094751-A1 (CA)
Inventor: FUJIBAYASHI TOSHIO
IPC: C09D163/00
Filed: 1993-04-23
Abstract: A resin composition for an aqueous coating composition contains as a main component a cationic resin (U) having a primary hydroxyl group, obtained by reacting (A) a phenol-novolak epoxy resin, (B) a primary or secondary amine compound having a primary hydroxyl group, and (c) a phenol compound having at lest one phenolic hydroxyl group per molecule. The composition has improved water dispersibility, bath stability and pigment dispersibility, and is useful as a cationic electrodeposition coating composition.
Patent CA-2095508-A1 (CA)
Title: Digital switching system connecting buses with incompatible protocols and telephone answering system and private automatic branch exchange with integrated voice and textual message recording
Inventor: ANDERSON KENT D
IPC: H04M7/00
Filed: 1993-05-04
Abstract: A digital switching system connecting buses with incompatible protocols and a telephone answering system and private automatic branch exchange with integrated voice and textual message recording is disclosed. The digital switching system (10) in accordance with the invention permits a digital switching matrix (12) having an input bus and an output bus to connect information on the input bus selectively to information on the output bus in response to control signals applied to switches of the switching matrix. A plurality of information systems (18, 20 and 22) each having a different bus protocol are electrically connected to the input and output buses of the switching matrix to permit information transmitted on a conductor of any of the information buses to be received by another conductor of any of the information buses through the input bus, the switching matrix and the output bus. A host processor controls the plurality of information systems.        Furthermore, the host processor may be used to commonly control textual message and voice message recording systems within a telephone answering system and commonly control telephony functions and textual message and voice recording systems within a PABX.
Patent CA-2097267-A1 (CA)
Title: Operation between valve points of a partial-arc admission turbine
Inventor: SILVESTRI GEORGE J JR
IPC: F01D17/00
Filed: 1993-05-28
Abstract: ABSTRACT OF THE DISCLOSURE         A method for improving operational efficiency of a partial-arc steam turbine power plant during power output variations by dynamically adjusting valve point values during turbine operation.  Impulse chamber pressure at each of a plurality of valve points is first determined during operation of the steam turbine at constant pressure.  For each adjacent pair of valve points, an optimum constant pressure transition point pressure for transitioning from one to the other of the sliding pressure mode and constant pressure mode is then computed.   The optimum constant pressure transition point pressure for each pair of valve points is converted to a corresponding percentage of the pressure difference between the adjacent pairs of valve points.  The impulse chamber pressure at each valve point is then used to calculate a corresponding impulse chamber pressure for transitioning from the one mode to the other mode based upon the percentage pressure difference.  The calculated impulse chamber pressures for transitioning are compared to measured values of impulse chamber pressure and the system force transition from one of the modes to the other mode when the measured value is substantially equal to the calculated transition pressure.   Transition from variable pressure to constant pressure operation is further modified by gradually increasing pressure from a minimum pressure at a transition point to a maximum pressure at a valve closed point for reducing rotor thermal  stress.          During the gradual increase pressure, the control valve associated with the transition point and valve point is gradually closed concurrently with the increase in steam pressure.
Patent CA-2097869-A1 (CA)
Title: Process for electrolytically detoxifying or regenerating an aqueous solution containing cyanide and an apparatus for carrying out the process
Inventor: JAKOBS OLAF
IPC: C25B11/10
Filed: 1993-06-07
Abstract: ABSTRACT OF THE DISCLOSURE In order to electrolytically detoxify or regenerate an aqueous solution containing cyanide, the cyanide is converted by means of anodic oxidation into carbon dioxide and/or nitrogen and/or ammonia, and at the same time the metallic portion of the cyanide compound is cathodically deposited; to improve the efficiency of the cyanide oxidation process, a metal and/or metal ions having cathodic potential are introduced into the solution. A dimensionally stable titanium-based electrode is used as the anode and it is electrocatalytically coated with oxides of platinum group metals and/or titanium, as well as with platinum metals; the cathode used is an expanded metal electrode made of copper-plated or silver-plated titanium.
Patent CA-2099286-A1 (CA)
Title: Herbicides
Inventor: GATES PETER S
IPC: C07D251/46
Filed: 1992-01-06
Abstract: Herbicidal compositions which comprise one or more compounds of formula (I) or salts thereof, where: A is -CH= or -N=; R1 is alkyl, alkoxy, halo or -NR7R8; R2 is alkyl or alkoxy; R3 is hydrogen, alkenyl or alkynyl, or substituted or unsubstituted alkyl, alkanoyl or alkoxycarbonyl; R4 is hydrogen or substituted or unsubstituted alkyl; R5 is halo or substituted or unsubstituted alkyl or aryl; and X is -CO2R6, -CONR7R8 or -CN; in which R6, R7 and R8, which may be the same or different, each represent hydrogen, substituted or unsubstituted alkyl, or one of R7 and R8 represents substituted amino; in association with a suitable carrier and/or surface active agent, together with the compounds of formula (I) per se where R5 represents isopropyl, and/or X represents methoxycarbonyl, and salts thereof.
Patent CA-2100103-A1 (CA)
Title: Portable Well Pipe and Pump Puller
Inventor: WILBERT ROBERT A
IPC: E21B19/22
Filed: 1993-07-08
Abstract: An apparatus for pulling a well pipe and downhole pump from a well and is constructed of relatively lightweight materials to enable the apparatus to be easily moved to a well site by the provision of a frame structure supported by relatively large wheels and a handle structure which enables the apparatus to be pushed, pulled or lifted for movement to an accurate orientation in relation to the well site and well casing with the apparatus providing a solid connection with the well casing for safe and efficient operation. The apparatus includes opposed belt structures for engaging opposite surfaces of a well pipe with the belt being driven by a motor and two worm gear speed reducers having outputs that turn drive axles in opposite directions which are drivingly connected to the belts and fork arms associated with the axles to enable adjustment of the contact area of the belts with the well pipe or other equipment which may be encountered when pulling a pump from a well.
Patent CA-2101407-A1 (CA)
Title: High-force linear motor assembly using tandem axes
Inventor: JERZYCKE CHARLES L
IPC: H02K41/02
Filed: 1993-07-27
Abstract: A linear motor assembly having enhanced mechanical stiffness, comprising: (a) at least one pair of rigidly interconnected tandem rails defining a first axis of movement and spaced apart normal to such first axis; (b) at least one pair of frames movable along said pair of rails, each frame presenting at least one pair of opposed parallel bearing surfaces; (c) at least one linear motor effective to operate between each rail and frame; (d) bearings supported between each rail and each bearing surface of each frame, said bearings being preloaded with an interference load while permitting bearing movement; and (e) support structure between said frames defining axes of movement actuated by other linear motors.
Patent CA-2101583-A1 (CA)
Title: Method for transferring pantyhose from a line closer machine to a toe-closer machine and apparatus for the implementation thereof
Inventor: MIGLIORINI PIER L
IPC: D05B23/00
Filed: 1993-07-29
Abstract: ABSTRACT  Apparatus for transferring a pantyhose article (1)  from a Line closer machine to a Toe-Closer machine comprising: means  (200) disposed below the banister (2) of the Line closer machine to put in tension the legs  (100)  of the pantyhose  (1) which  hang  down  from  said  banister  (2)  and comprising  a  retractile  tube  (25)  which  is connected to an aspirator; means to withdraw the elastic hem (30) of the bodice (3) from the forms (4) of the Line closer machine by means of a clamp (16);  means to spread apart vertically the bodice (3) of the pantyhose (1) being withdrawn from said forms (14) by means of two crooks (6) able to be spread apart vertically and which are supported by a carriage (60) horizontally reciprocating in synchronism and in alignment with said means (16); means to pick up the bodice (3) of the pantyhose (1) from said crooks (6) and fit it over the tubes (9) of the Toe-Closer  machine (90) by turning it inside out by means of two parallel and spaced apart  hooks   (62)   driven   into   horizontal reciprocating motion and disposed parallel and on opposite side to said tubes (9);  means to spread open  the  thus  stretched  legs  (100)  of  the pantyhose (1) and bring the toe of the feet (102) thereof close to the mouth of the everter tubes (9)  of  the  Toe-Closer    machine  (90),  and comprising a plate (8) having "W" shaped profile which is supported by a vertical arm (7) fixed to a carriage (70) sliding onto a straigt guide rail (71) having its axis (a) upwardly inclined.     1a
Patent CA-2102944-A1 (CA)
Inventor: JUENGST ERNST-WERNER
IPC: G06F7/60
Filed: 1993-11-12
Abstract: The present invention provides a method for generating an output for a fuzzy controller by evaluating a set of linguistic rules prepared according to a method included in the invention.  According to the present invention, for each input signal the linguistic hedge is formed to be a fuzzy information system; each linguistic rule is formed with a premise consisting of a multitude of linguistic statements about pairwise different input signals, linked by AND, or consisting of one statement about one input signal, and a conclusion consisting of a linguistic statement about the output signal of the fuzzy controller; the set of rules is built such that it forms as a complete and consistent set of linguistic rules.  Then, for every linguistic rule the membership function associated with the linguistic statement about the output signal in the conclusion of the rule is defuzzified to produce a first signal for each rule.  For every linguistic rule, second signals are produced, one second signal for each linguistic statement in the premise of the rule, by determining the degree of membership of the current value of the input signal referred to in the linguistic statement to the fuzzy set characterized by the membership function associated with the linguistic statement.  For each linguistic rule, the second signals are multiplied to produce a third signal for the rule.  For each of the linguistic rules, the first and third signals are multiplied to produce a fourth signal representing the weighted recommended action corresponding to the rule.  Finally, the fourth signals of all the rules in the set of linguistic rules are added to produce the output signal.