baber/WOPTO huggingface dataset:
Patent CA-1191676-A (CA)
Inventor: BARRETT RICHARD B
IPC: E21B43/28
Filed: 1982-11-25
Granted: 1985-08-13
Abstract: ABSTRACT OF THE DISCLOSURE           Leached  formations  having  residual  soluble uranium minerals therein are restored by treating the formation under alkaline conditions with a source of phosphate  ion whereby  insoluble  uranium phosphate  com-pounds are formed thereby lowering the residual soluble uranium levels below that existing prior to restoration and the formation, and preferably to levels below about 5 milligrams per liter.
Patent CA-1183037-A (CA)
Inventor: WADSWORTH DONALD H
IPC: G11B7/244
Filed: 1983-01-24
Granted: 1985-02-26
Abstract: -i-RECORDING AND INFORMATION RECORD ELEMENTS COMPRISING OXOINDOLIZINE AND OXOINDOLIZINIUM DYES            Abstract of the Disclosure Oxoindolizine and oxoindolizinium dyes are useful as radiation absorptive materials in recording elements.
Patent CA-1211974-A (CA)
Inventor: IMAHORI JUMPEI
IPC: E01C19/48
Filed: 1983-01-28
Granted: 1986-09-30
Abstract: ABSTRACT OF INVENTION     A paving apparatus for rails for a guide rail type vehicle like a suspension type mono-rail in which drive wheels travel on left and right travelling paths and guide wheels travel along a pair of guide rails.          The paving apparatus comprises a bogie bridged between a pair of guide rails and travelling along upper edges thereof and a base plate suspended adjustably in height with respect to the bogie, said base plate having a pair of pressing rollers supported on the base plate so as to oppose to respective left and right travelling road surfaces.          A spot light from the base plate is irradiated on a marking tape indicative of an execution reference line provided on the guide rail to thereby adjust the height thereof.
Patent CA-1176997-A (CA)
Title: Apparatus for the leak testing of filters
Inventor: WILCOX DAVID E
IPC: B01D46/12
Filed: 1983-02-21
Granted: 1984-10-30
Abstract: ABSTRACT OF THE DISCLOSURE Apparatus for the leak testing of one or more filters, which requires minimum space, and which comprises a housing (12) adapted to sealably mount the filters (30), means (40, 41) for introducing DOP particles within the housing and immediately up-stream of each of the filters, and a restriction member (54) mounted in the housing upstream of each filter and downstream of the point at which the DOP is introduced. The member (54) may be selectively positioned to assume an operative position transverse to the airstream wherein it acts to condense and mix the airstream and DOP and then disperse the mixture over the full frontal area of the adjacent filter, or a non-operative position wherein the member is substantially withdrawn from the airstream. Means (70) are also mounted downstream of each filter for monitoring the airstream to detect DOP particles, and thereby permit a determin-ation as to whether any of the particles are leaking through or around the filter.
Patent CA-1193406-A (CA)
Inventor: NGUYEN XUAN T
IPC: D21C11/00
Filed: 1983-03-04
Granted: 1985-09-17
Abstract: This is a process for regenerating white liquor from residual kraft liquors. The process comprises reacting at least one metal oxide member selected from ferric oxide and/or titanium dioxide with a sodium carbonate product derived from a residual kraft black liquor under vigourous oxidation condition that is near but below the eutectic temperature of the derived product and of the selected member, to form particles comprising a mixture of sodium sulfate and of at least one sodium member of the class consisting of sodium ferrite and sodium titanate, reducing the particles in solid phase by converting the sodium sulfate in the particles to sodium sulfide in the presence of a reducing gas. The reduced particles are then dissolved in an aqueous medium to form a white liquor, and to convert the sodium member into sodium hydroxide soluble in the white liquor and into an insoluble metal oxide of the selected member. The insoluble metal oxide is separated leaving the white liquor composed of dissolved sodium sulfide and sodium hydroxide in an aqueous solution.
Patent CA-1193137-A (CA)
Inventor: MAHER ROBERT J
IPC: G03B27/20
Filed: 1983-03-17
Granted: 1985-09-10
Abstract: ABSTRACT OF THE DISCLOSURE   In a vacuum printer for the graphic arts having a bed, a blanket frame upon the bed including a flexible impervious blanket having a peripheral sealing bead, a glass frame juxtaposed over the blanket frame in snug registry with the blanket bead defining a contact printing chamber, the glass frame being movably mounted for opening and closing movements relative to the blanket frame, a vacuum source having a first vacuum conduit extending into communication with the printing chamber for evacuating it; the improvement which comprises a perforated blanket support plate within the blanket frame underlying the blanket and defining within the blanket frame a blanket chamber. A second vacuum conduit interconnects the vacuum source and the blanket chamber. An electronic control is connected to the conduits for evacuating the blanket chamber, and after a pre-set period evacuating the printing chamber. In the method of contact printing wherein the step of communicating vacuum to a vacuum printing chamber between a glass frame and a flexible blanket is preceded by the step of communicating vacuum to a blanket chamber below the blanket for a predetermined interval holding the blanket away from the glass frame until the vacuum printing chamber is fully evacuated.
Patent CA-1184690-A (CA)
Inventor: TAKAYANAGI MOTOWO
IPC: C08G69/44
Filed: 1983-03-22
Granted: 1985-03-26
Abstract: ABSTRACT OF THE DISCLOSURE     A copolymer having high strength and high elastic modulus is produced by copolymerizing (a) a polyamide oligomer prepared from a piperazine compound and an aromatic dicarboxylic acid and (b) a polyalkylene terephthalate monomer or a prepolymer thereof.  The copolymer is useful as a rubber reinforcing fiber, a magnetic tape base film, and a coating material.
Patent CA-1259337-A (CA)
Inventor: VAN POOL JOE
IPC: C07C41/06
Filed: 1983-05-31
Granted: 1989-09-12
Abstract: Abstract of the Disclosure A process and system for producing an ether from an alcohol and a tertiary olefin wherein inerts are present in and are removed from the alcohol prior to the ether production, so that unreacted olefins recovered from the ether manufacture can be used to alkylate an isoparaffin without the problem of contaminants and/or inerts accumulating in the overhead system of the alkylation fractionation, which accumulation of contaminants and/or inerts requires venting of contaminants and/or inerts with the resultant loss of alkylation catalyst and light hydrocarbons such as propane from the alkylation operation.
Patent CA-1189583-A (CA)
Inventor: SCHROEDER WALTER W
IPC: H01G9/008
Filed: 1983-08-15
Granted: 1985-06-25
Abstract: WET-ELECTROLYTE CAPACITOR PACKAGE                Abstract of the Disclosure A wet-electrolyte capacitor is housed in a cylin-drical can.  A disc-shaped plastic cover is fitted in the open end of the can with a through-terminal for the capaci-tor sealed therein.  A groove in the periphery of the cover has a rubber o-ring which is compressed by beading the can inwardly to thereby effect a can to cover seal.  Elongate metal pieces are held positioned near the periphery of the cover and are welded to the inner lip of the can to stop outward movement of the cover and to serve as mounting means to a printed circuit board.
Patent CA-1198456-A (CA)
Inventor: TRAUMUELLER GOTTFRIED
IPC: E21C35/20
Filed: 1983-08-23
Granted: 1985-12-24
Abstract: ABSTRACT OF THE DISCLOSURE           For the supply of water to nozzles on the circum-ference of a cutting head there are, within a cutting head composed of individual discs, provided bores extending in direction to the axis of rotation of the cutting head.  The individual annular discs are connected one with the other by welding, the weld beads extending over a radial area of the cutting head which is greater than the diameter of the bores.  The bores extend through the weld beads.
Patent CA-1210736-A (CA)
Inventor: FRICKE GUENTER
IPC: B03C7/12
Filed: 1983-09-20
Granted: 1986-09-02
Abstract: ABSTRACT           A device for feeding finely particulate matter into electrostatic free-fall separators is described.  The device is formed in shape of a hopper with retarding installations made of electrically insulating material.  The bottom edges of the walls of the device define an elongated discharge slit, whereby the feed side includes a vertical guide plate parallel to the discharge slit and an opposed inclined guide plate the bottom edges of which define an elongated slit.  Below the elongated slit at a distance two electrodes in the shape of vertical guide plates are disposed in spaced relationship to each other such that the space between the electrodes is only slightly wider than the elongated slit.
Patent CA-1206059-A (CA)
Inventor: TICHENOR GEORGE J
IPC: C02F11/147
Filed: 1983-10-03
Granted: 1986-06-17
Abstract: A method for dewatering alum sludges obtained from waste water treatnent processes which comprises treating said sludges prior to, or during their formation, with an anionic copolymer of acrylamide and acrylic acid, said polymer having a molecular weight of at least between 1 million and 5 million, said polymer being further characterized as containing between 60-98% by weight of acrylamide.
Patent CA-1215028-A (CA)
Title: Headlamp device for bicycles, etc.
Inventor: TSUYAMA SADAHARU
IPC: B62J6/02
Filed: 1983-10-20
Granted: 1986-12-09
Abstract: Abstract of the Disclosure A headlamp device for bicycles and like vehicles, which includes a reflector, a bulb having its end fixedly inserted through an opening formed in said reflector, an illumination covering mounted on the front face of said reflector, and a battery casing attached integrally to the rear portions of these members. The improve-ment comprises an outwardly extending locking piece affixed to said end of said bulb, a cylindrical extension for the insertion of said end of said bulb provided to the rear edge of said opening in said reflector, and the rear periphery of said cylindrical extension being stepped to define locking portions differing in axial length, said locking portions being engaged within said locking piece, whereby, when said bulb is fixedly inserted into said opening in said reflector, said locking piece can selectively be locked onto said locking portions differing in axial length.
Patent CA-1220117-A (CA)
Inventor: REIGHARD ROBERT P
IPC: H04B10/118
Filed: 1983-10-27
Granted: 1987-04-07
Abstract: ABSTRACT OF THE DISCLOSURE The multifunction steering wheel controls the operation of vehicle functions or devices such as headlights, windshield wipers, cruise control, and so forth, using a transmitter receiver pair to convey information relative to the operation of the devices between the rotatable steering wheel and stationary steering column. In particular, the transmitter receiver pair may take the form of an optoelectronic infrared transmitter disposed on the steering wheel member and a matching infrared receiver positioned on the steering column within the field of elimination of the transmitter.
Patent CA-1213729-A (CA)
Inventor: BRANDENBURG JAN H
IPC: C21B5/00
Filed: 1984-01-03
Granted: 1986-11-12
Abstract: "Apparatus and method for feeding pulverized coal into an air line to a blast furnace"             ABSTRACT OF THE DISCLOSURE       Pulverised coal feed tanks are emptied in sequence via a transport line into the hot blast of a blast furnace.  Each tank is carried by three load cells whose outputs are summed and differentiated to obtain the actual feed rate.  Gas pressure in the tank is controlled in dependence on the actual feed rate so as to achieve a desired feed rate.  To reduce the possibility of inaccurate feeding of coal, the outputs of the respective load cells are compared, and if deviation from a predetermined weight distribution over the load cells is detected, feed from the tank is stopped.  The load cells may be duplicated in series, and the summed outputs of the two sets of load cells compared to detect malfunctioning of a load cell, again resulting in cessation of feeding from that tank.
Patent CA-1185079-A (CA)
Title: Process for freezing an inorganic particulate slurry or suspension
Inventor: SMITH-JOHANNSEN ROBERT
IPC: B01J13/00
Filed: 1984-01-26
Granted: 1985-04-09
Abstract: ABSTRACT            This invention relates to a process of supercooling an inorganic particulate or a ceramic slurry containing a freeze sensitive ceramic colloidal sol and then freezing the slurry to cause spontaneous nucleation resulting in the formation of a very large number of ice crystals that are consequently very small thus producing a ceramic structure that is very uniform throughout.  The invention includes the addition of lithium ions to the freezing media with or without supercooling.  The invention further includes composite inorganic structures which are in the nature of laminates where at least one inorganic structure, such as a zirconia plate, is adhered to a different inorganic structure, such as an alumina plate.
Patent CA-1213962-A (CA)
Inventor: GAGNON JAMES J
IPC: F02P5/15
Filed: 1984-02-16
Granted: 1986-11-12
Abstract: ABSTRACT         A control system for a compressor unit driven by a clean-burn, turbo-charged, gas-fueled engine which is primarily responsive to the load (torque) and the speed of the engine to adjust certain engine parameters to maintain the operating conditions of the engine within a desirable operating zone which is a compromise or "trade-off" between best fuel economy and permissible exhaust emission levels.  A number of "maps" which correlate load (torque) at various speeds with specific fuel consumption and exhaust emissions are derived from available manufacturer's data and are programmed into a central processing unit (CPU).  The actual speed and load of the engine are continuously monitored and signals representative thereof are inputed into the CPU to select the proper map and to output control signals therefrom to adjust the ignition timing, the waste gate (air chest pressure) and the fuel pressure to the prechambers of the engine to their respective desired positions which, in turn, will provide the desired engine operation at the sensed speed and load conditions.  The operation can be "fine-tuned" within the selected zone of operation through the use of other measured engine parameters.
Patent CA-1227157-A (CA)
Title: Coloring process for anodized aluminum products
Inventor: BAKER BERNARD R
IPC: C25D11/22
Filed: 1984-03-13
Granted: 1987-09-22
Abstract: ABSTRACT          The invention relates to an electrolytic method of coloring anodized aluminum work pieces in an acidic aqueous electrolyte containing nickel sulfamate in amounts from 50 to 150 grams per liter (expressed as nickel) at temperatures above 35°C.  The coloring voltage ranges from 5 to 40 volts (AC).
Patent CA-1220536-A (CA)
Inventor: JANSEN CORNELIS J A
IPC: H04L9/08
Filed: 1984-04-19
Granted: 1987-04-14
Abstract: PHN 10.652                                    02.02.1984 ABSTRACT: "Method of distributing and utilizing enciphering keys".     In a communication network with cryptographi-cally protected connections a unique key is used for each connection between two subscribers, so that when one or more keys fall into the hands of an unauthorized person it has no consequences for the protection of the remaining connections. In a network comprising N subscribers -this implies that each participant must have N-1 keys for com-munication with the other participants. Such a set of N-1 keys is obtained by putting a column from a NxN key matrix (main diagonal empty) at the disposal of each par-ticipant. During the connection set-up the correct unique key is automatically selected by interchange of the column number. The key matrices used in the network can be regular-ly replaced without it being necessary to interrupt the operation of the network.
Patent CA-1218460-A (CA)
Inventor: FILLIMAN MARK D
IPC: G06T7/00
Filed: 1984-05-14
Granted: 1987-02-24
Abstract: PERSONAL IDENTIFICATION METHOD         AND APPARATUS Abstract of the Disclosure A method and apparatus for personal identification employ the combination of a CRT and a light pen for the generation of a signature or other identification indicia by movement of the light pen on the CRT screen.  Positional information is captured from the screen by the light pen and is compressed and collected to form a signature or other indicia representation which can be stored and subsequently used as a reference for identification purposes.  High resolution means are employed to provide precise positional data.  If desired, a visible path may be generated on the CRT screen representing the movement of the light pen as the signature or other indicia is produced.  Also, if desired, a signature or other identifying indicia may be produced at a location remote from the CRT on a suitable record medium, such as a one-time carbon, and later traced on the CRT screen by the light pen.
Patent CA-1240998-A (CA)
Inventor: KRUMKALNS ERIKS V
IPC: A01N43/60
Filed: 1984-06-18
Granted: 1988-08-23
Abstract: Abstract N,N-Disubstituted heterocyclic amines are useful as fungicides.
Patent CA-1214885-A (CA)
Inventor: SCHWABE ULRICH
IPC: H01L21/285
Filed: 1984-08-24
Granted: 1986-12-02
Abstract: ABSTRACT OF THE DISCLOSURE       A method for manufacturing VLSI complementary MOS field effect transistor circuits (CMOS circuits). By use of a suitable gate material, preferably a gate material comprised of silicides of high melting point metals, a threshold voltage of n-channel and p-channel CMOS-FETs having gate oxide thicknesses dGOX in a range of 10 to 30 nm is simultaneously symmetrically set by means of a single channel ion implantation.  Given employment of tantalum silicide, the gate oxide thickness dGOX is set to 20 nm and the channel implantation is executed with a boron dosage of 3 x 1011 cm-2 and an energy of 25 keV.  In addition to achieving a high dielectric strength for short channel lengths, this enables the elimination of a photolithographic mask.  This represents an improvement with respect to yield and costs.  The method serves for the manufacture of analog and digital CMOS circuits in VLSI technology.
Patent CA-1212207-A (CA)
Inventor: HO TAN T
IPC: D06M13/252
Filed: 1984-08-24
Granted: 1986-10-07
Abstract: Abstract A free-flowing particulate fabric-softening adjunct for use in laundry detergent compositions is disclosed which comprises sodium perborate monohydrate having ab-sorbed therein from about 5 to about 100% of its weight of a fabric-softening agent selected from the group consisting of organic compounds which contain primary, secondary, tertiary or quaternary nitrogen, or which are phosphonium or sulphonium compounds, having at least one, preferably two, relatively long hydrocarbon group substituents, conferring hydrophobicity and lubricity, and mixtures thereof.     A process for preparing such free-flowing particulate adjunct as well as fabric-softening detergent com-positions which clean well and at the same time provide fabric-softening through the wash are also disclosed.
Patent CA-1234821-A (CA)
Inventor: TELLER WERNER
IPC: C07D211/90
Filed: 1984-09-10
Granted: 1988-04-05
Abstract: Abstract Process for the preparation of unsymmetrical 1,4-dihydro-pyridinedicarboxylic esters Process for the preparation of unsymmetrical 1,4-dihydropyridines of the formula I                I   in which R represents a phenyl radical which is optionally substituted once or twice by nitro and/or chlorine and R1 represents a C1-C4-alkyl radical which is optionally substituted by a C1-C4-alkoxy group, and R2 represents a C1-C12-alkyl radical which is optionally substituted by a C1-C4-alkoxy group, a trifluoromethyl group or the radical [C6H5CH2] [CH3]N, the radicals R1 and R2 not being identical, by reaction of an ylidene compound of the formulae II or III                               II                              III   with an enamine compound of the formulae IV or V                    IV                                   V    Le A 22 262 characterised in that the ylidene compound of the formulae II or III is prepared by reaction of a ketocarboxylic ester of the formula VI or VII                CH3-?-CH2-COOR1              VI              CH3-?-CH2-COOR2              VII   with an aldehyde of the formula RCHO, in a solvent, in the presence of catalytic amounts of acetate salts of amines, at temperatures from -10°C and up to 100°C.            Le A 22 262
Patent CA-1222051-A (CA)
Inventor: STEINSLAND ODDBJ RN
IPC: G01M17/06
Filed: 1985-01-25
Granted: 1987-05-19
Abstract: Abstract The metacentre height of a vessel GM is determined in accordance with the following formula   wherein GM = the metacentre height in the inclination direction of inclination M = the applied inclination moment .alpha. = the inclination angle .delta. = the density of water g = the acceleration of weight Vo = the volume of displacement by applying an inclination moment cyclically during a longer period of time. Also, the instantaneous inclination moment M and the instantaneous inclination angle .alpha.i is determined approximately continuously during a sufficient period of time for calculating the inclination angle as a function of the applied inclination moment and for calculating the metacentre height on the basis thereof.     Figure 1.
Patent CA-1259959-A (CA)
Inventor: NAAB JAKOB
IPC: B65F3/02
Filed: 1985-02-20
Granted: 1989-09-26
Abstract: ABSTRACT OF THE INVENTION     A device for emptying containers, especially garbage containers is provided with an electrical control circuit for controlling its pressure motor(s), this containing a switch that is operated by the container that is installed and a time switch that determines the timing of the valve control for the sequence of movements.  The device can be fitted with additional barrier elements that screen off the working area and which incorporate switches that permit automatic operation of the device only when they are in the safety position.  The automatic control of the device can be configured for single chute, twin chute or double chute operation.     A particular development of the present invention is seen in the creation of a fully automatic emptying device in which each container that is to be emptied is identified by means of a program and switching unit, the identification data for the container compared with data in memory, and an automatically controlled sequence suitable for the container in question prepared from this.  In addition, the filled weight, the empty weight and the condition of the container can be monitored and input into the control system.
Patent CA-1231931-A (CA)
Inventor: OIGO EI
IPC: C01B32/40
Filed: 1985-02-26
Granted: 1988-01-26
Abstract: CRYSTALLINE ZEOLITE AND THE AGGLOMERATE THEREOF               ABSTRACT OF THE DISCLOSURE     A crystalline zeolite having, except for water crystallization, the formula:              Ba43xNa86(1-x)[(AlO2)86(SiO2)104]    (I) wherein x is a number from 0.6 to 0.8.  This crystalline zeolite can be mixed with a binder, followed by the calcination.  Thus, a zeolitic molecular sieve agglom-erate suitable for use in the separation and/or removal of a specific component (e.g., carbon monoxide, oxygen, carbon dioxide, or water vapor) from a fluid stream containing the same.
Patent CA-1252557-A (CA)
Inventor: ESTE GRANTLEY O
IPC: H03H3/08
Filed: 1985-03-29
Granted: 1989-04-11
Abstract: SAW DEVICES INCLUDING RESISTIVE FILMS     Abstract of the Disclosure Each IDT (inter-digital transducer) of a SAW (surface acoustic wave) device is formed on a thin resistive doped silicon film having the same pattern as the IDT, which improves adhesion of the IDT to the substrate.  The silicon film also constitutes electro-acoustic absorbers between the IDTs and edges of the substrate, and can have a linearly tapered edge adjacent to each IDT to suppress reflections at the absorber boundary.  The SAW device is formed by sputtering silicon onto the substrate, subsequently forming the IDTs, and then etching the silicon from areas where it is not wanted.