baber/WOPTO huggingface dataset:
Patent CA-1196067-A (CA)
Inventor: SHANLEY ROBERT L II
IPC: H03L7/08
Filed: 1983-05-09
Granted: 1985-10-29
Abstract: Abstract Color reference oscillator comprises a non-inverting amplifier, with positive feedback via a crystal filter linking its output and input.  A quadrature phase shift network, coupled to the filter output, delivers phase shifted signals to a pair of independently controlled amplifiers.  One of the controlled amplifiers is responsive to control voltage outputs of a burst-responsive phase detector so as to inject phase shifted signals into the oscillator loop, as and when required, to effect synchroniza-tion of oscillator with burst component of incoming color television signal.  The second of the controlled amplifiers is responsive to a reference DC voltage and to a manually adjustable DC control voltage, and develops a phase shifted signal output, of a magnitude and polarity dependent upon the magnitude and sense of the difference, if any, between the respective DC voltages, for combination with the non-inverting amplifier's output.  Variation of the manually adjustable control voltage provides an adjustment of the free-running frequency of the oscillator.
Patent CA-1189661-A (CA)
Inventor: LAPOINTE DENIS
IPC: B22C9/04
Filed: 1983-05-10
Granted: 1985-07-02
Abstract: ABSTRACT OF THE DISCLOSURE     A basin for simultaneous or consecutive dewaxing and curing of denture molds is disclosed.  The basin is generally box-shaped and is provided with three vertically-spaced trays of which the topmost remains above the high fluid level.  The upper rear portion of the basin has a pivotally-secured frame-arm provided with a plurality of nozzles adapted to spray over the entire area of the topmost tray.  The fluid from the nozzles drains back into the basin; a recirculating pump recirculates the fluid back into the nozzles,  A separate fluid inlet is pro-vided to fill the basin for curing.  The basin is further provided with an upper and lower fluid level-limiting means, a heating element, a thermostat and, preferably, an automatic timer.
Patent CA-1195392-A (CA)
Inventor: USUI MASAJI
IPC: H02H7/045
Filed: 1983-06-03
Granted: 1985-10-15
Abstract: ABSTRACT OF THE DISCLOSURE   A relay adapted for protection of a transformer and capable of functioning with certainty upon occurrence of any internal fault in the transformer but not functioning in the case of an inrush current which flows therein at the time of non-load energization or the like.  The relay comprises a ratio differential element for comparing the amount of a suppression current with that of a differential current flowing in the transformer, an element for detecting the content proportion of a second-harmonic component in the differential current, a monostable multivibrator for sending an output of a fixed pulse width at the moment of detection of the differential current, an AND circuit for producing an output in accordance with the logical product condition relative to the output of the second-harmonic detection element and that of the monostable multivibrator, a timing circuit for producing an output when the output of the second-harmonic detection element continues for a predetermined period of time, and gate means for suppressing the output of the ratio differential element when either the output of the AND circuit or that of the timing circuit is being fed thereto.
Patent CA-1208288-A (CA)
Inventor: PAPADAKIS NICHOLAS
IPC: A61B5/00
Filed: 1983-07-06
Granted: 1986-07-22
Abstract: SOLID STATE TRANSCUTANEOUS BLOOD GAS SENSORS  ABSTRACT Disclosed is a solid state oxygen sensor utilizing a noble metal first electrode and a silver/silver halide reference electrode and an oxygen permeable polymeric membrane electrolyte.  Also disclosed is a method of producing said sensor and a method of using said sensor.
Patent CA-1197109-A (CA)
Inventor: DOLCE AUGUSTINE J
IPC: F24F5/00
Filed: 1983-07-07
Granted: 1985-11-26
Abstract: ABSTRACT          A refrigeration system utilizing cooled spillover air from a refrigerated display case 10, the spillover air being recovered and removed from the ambient space through openings 9.  The recovered spillover air is conducted through conduit 29 in heat exchange relation to a subcooler 33, lowering the temperature of refrigerant passing to the display case evaporator 19, the still cool spillover air then being used in a space air conditioning system 30.
Patent CA-1203580-A (CA)
Inventor: MILLMAN RONALD W
IPC: H05B6/64
Filed: 1983-11-17
Granted: 1986-04-22
Abstract: MICROWAVE OVEN WITH COMMON WRAP AND CAVITY WALLS                   ABSTRACT       A low-cost microwave oven construction wherein a single sheet of metal forms both the cooking cavity and the outer wrap.  The cavity, components compartment, and front and back panels are joined by a continuous criimped seam to form a unitary oven construction.
Patent CA-1205598-A (CA)
Inventor: BEKOOIJ JURRIANUS
IPC: C08G59/42
Filed: 1983-12-01
Granted: 1986-06-03
Abstract: A B S T R A C T         PROCESS FOR THE PREPARATION OF RESINOUS COMPOUNDS, COMPOUNDS PRODUCED THEREBY AND THEIR USE IN     THERMOSETTING COATING COMPOSITIONS      Carboxyl-containing resinous compounds, suitable for making water-dilutable thermosetting coating compositions after at least partial neutralization with a base, are prepared by a process wherein a non-acidic hydroxyl-containing resinous inter-mediate prepared by reacting at a temperature in the range 120 to 180°C in the presence of an esterification catalyst in one or more steps a) a diglycidyl ether of a dihydric phenol having an epoxy molar mass not exceeding 1100 with b) a monofunctional phenol, and c) dimerized unsaturated fatty acids in an epoxy phenolic or acidic equivalent ratio of a), b) and c) from x/2/(x-2) to (x + 0.1)/ 2/(x-2), wherein x is at least 4 for a diglycidyl ether having an epoxy molar mass from 400 to 1100 and x is at least 6 for a diglycidyl ether having an epoxy molar mass below 400, is reacted at a temperature not higher than 150°C with a carboxylic acid anhydride in an amount to produce a half-ester having an acid value in the range  5 to 80 mg KOH/g. Such resinous compounds when at least partially neutralized with a base and combined with a cross-linking compound are suitable for use in electrodeposition.
Patent CA-1243686-A (CA)
Inventor: COMNINELLIS CHRISTOS
IPC: C07C47/542
Filed: 1983-12-23
Granted: 1988-10-25
Abstract: ABSTRACT OF THE DISCLOSURE   The invention relates to a process for preparing p-tert.butylben-zaldehyde by oxidation of p-tert.butyltoluene.  The oxidation is carried out by means of a Mn3+ salt, which salt is generated by electrochemical oxidation of a Mn2+ salt.  The chemical oxidation and the electrochemical oxidation are carried out in separate reaction vessels.
Patent CA-1210139-A (CA)
Inventor: WARNER JAMES
IPC: H04N7/087
Filed: 1984-01-06
Granted: 1986-08-19
Abstract: ABSTRACT     Apparatus for transmitting camera control character-istic information from a central unit to a remote television camera by superimposing a series of pulse-position modulated (PPM) signals onto a black burst signal which includes trans-mitted synchronization signals, each PPM coded signal repre-senting the value of a corresponding control characteristic.          Specifically, between adjacent horizontal synchronization pulses which are outside vertical blanking intervals, a pre-defined sequence of time windows is provided and a pulse is positioned in each window.  The window corresponds to a given control characteristic and the position of the pulse within the window represents the value of the given control character-istic.
Patent CA-1216906-A (CA)
Inventor: REDDING ROBERT J
IPC: H04M19/08
Filed: 1984-02-09
Granted: 1987-01-20
Abstract: ABSTRACT       A modem or other data handling apparatus for connection to a transmission line includes an inductance simulation circuit for providing a low d.c. resistance to allow circulation of a line holding current, whilst presenting a high a.c. shunt impedance to the audio data tones on the line. The simulation circuit comprises two transistors connected as a high gain amplifier across an input resistor in the modem/line coupling circuit amplifier via a capacitor and the amplifier applies amplified tone signals across the input resistor to augment the tones thereacross. The conductive transistors also act as a low resistance connected across the input resistor for the passage of the line holding current. The simulation circuit acts, in effect, as an inductance, without the use of inductive components. The input resistor is effectively connected, in series with two zener diodes, across the line, and the series circuit receives the line voltage and produces therefrom positive and negative power supplies for energising the entire modem. No further power supply is necessary.
Patent CA-1214205-A (CA)
Inventor: TASSINARIO GIAMPIERO
IPC: H02K29/00
Filed: 1984-03-27
Granted: 1986-11-18
Abstract: "COMMUTATORLESS D.C. MOTOR WITH ELECTRONIC       COMMUTATION"     ABSTRACT OF THE DISCLOSURE            This d.c. motor has a disc-shaped rotor carrying permanent magnets having their magnetic axes parallel to the motor shaft and on both sides of the rotor fixed arma-tures, each armature comprising a rosette-shaped, flat lap armature winding in which the coils partially overlap each other, a slotless iron ring having a flat face to which the coils are fixed, and a connection ring divided into insulat-ed segments receiving the ends of the coils adapted to be energized separately by means of an electronic commutation circuit controlled by a rotary coder, the groups of segments to which the ends of the coils to be energized in parallel are connected being interconnected by conducting wires extend-ing along the ring. All the component elements of the arma-ture are embedded in plastic material and constitute a compact assembly. If desired, the winding may be of the wave winding type.
Patent CA-1224171-A (CA)
Inventor: BAUMGARTEN JOERG
IPC: C02F3/00
Filed: 1984-04-06
Granted: 1987-07-14
Abstract: A BIOLOGICALLY ACTIVE COMPOSITION FOR PURIFYING           WASTE WATER AND OUTGOING AIR              Abstract of The Disclosure A biologically active composition comprising a polyurethane hydrogel containing a surface-active material and micro-organism cells is produced by a) mixing a polyurethane prepolymer in the presence of an aqueous suspension of a surface-active substance and micro-organisms capable of growth and having enzymatic activity and b) gelling the mixture a).
Patent CA-1238964-A (CA)
Inventor: WHEELDON PETER G
IPC: A61M5/14
Filed: 1984-05-02
Granted: 1988-07-05
Abstract: PERISTALTIC PUMPS             ABSTRACT OF THE DISCLOSURE          Control apparatus for a stepping motor driving a peristaltic pump comprises a presettable downcounter for supplying drive pulses to the stepping motor at different repetition rates so as to regulate the speed of rotation of the motor, processing means for control-ling the downcounter so that the motor is normally operated to drive the pump at a predetermined pumping rate, and a sensor for detecting indexing marks at spaced positions about the pump head, the processing means being responsive to the sensor detecting the index marks to alter the count in the downcounter so as to increase the motor speed for a predetermined number of motor steps upon detection of each index mark.  After the predetermined number of steps at increased speed, the processing means resets the down-counter to its normal setting, so that the motor operates at the required pumping rate for a further predetermined number of motor steps and until detection of the next successive index mark of the head.  Hence, the drive motor rotates or skips more rapidly during alternate periods corresponding to dwell periods of the peristaltic pump when reduced or no fluid flow would normally occur and, consequently, the pump delivers fluid at a more constant flow rate.
Patent CA-1247670-A (CA)
Inventor: LANDRY ERNEST A JR
IPC: B60D1/00
Filed: 1984-07-19
Granted: 1988-12-28
Abstract: TRAILER HITCH                Abstract of the Disclosure A trailer hitch adapted for attachment to a lunette coupler or a ball coupler comprises a pintle hook and a ball mounted on the hook and adapted to receive a ball coupler, and a closure pivotally mounted on the hook and pivotable between a closed position in engagement with the ball and an open position spaced from the ball.  The aperture defined by the closure and the hook includes a lower circular open portion, the center point of the lower circular portion lying on a first horizontal plane substantially bisecting the pattern of attachment of the hitch, the first horizontal plane lying below a second horizontal plane projected tangent to the under surface of the ball, the rearmost point within the aperture defined by the pintle hook and the closure in closed position to receive and hold the lunette, lying the furthest rearward from the vertical plane of the attachment plate, lies within the lower circular portion of the aperture in a horizontal plane passing through the center of the attachment pattern, whereby during towing, the load of the trailer attached by the lunette is evenly distributed over the pattern of attachment.
Patent CA-1242704-A (CA)
Title: PROCESS FOR THE PREPARATION OF .alpha.-6-DEOXY-  TETRACYCLINES
Inventor: PAGE PHILIP R
IPC: C07C231/12
Filed: 1984-08-17
Granted: 1988-10-04
Abstract: ABSTRACT   A process for the preparation of .alpha.-6-deoxy-tetracyclines by the stereoselective heterogeneous hydrogenation of a 6-demethyl-6-deoxy-6-methylene-tetracycline or an acid addition salt thereof, in the presence of a tertiary phosphine, or the simultaneous dehalogenation and stereo-selective heterogeneous hydrogenation of an 11a-halo-6-demethyl-6-deoxy-6-methylene-tetracycline or an acid addition salt thereof, in the presence of a tertiary phosphine, characterised by the use of a rhodium salt catalyst, wherein the rhodium is bonded to a polysiloxane carrier,  having the following formulae:                  Rh Cl3 [N {(CH2)3 Si O3/2 }3 ]10 Rh Cl3 [N {(CH2)3 Si O3/2 }3 ]12 Rh Cl3 [N {(CH2)3 Si O3/2 }3 ]15 Rh Cl3 [HN{ (CH2)3 Si O3/2} 2] 4 Rh Cl3 [HN{ (CH2)3 Si O3/2} 2] 8 permitting easy recovery of the rhodium, by simple filtration.
Patent CA-1221450-A (CA)
Inventor: OHNO SATOSHI
IPC: H04N9/31
Filed: 1984-09-05
Granted: 1987-05-05
Abstract: ABSTRACT OF THE DISCLOSURE           A multi-beam projector is disclosed which includes a first cathode ray tube having first and second cathodes, control grids and a fluorescent screen, a circuit for applying a first video signal to the first cathode such that the first cathode emanates a first electron beam in response to the first video signal, a circuit for applying a second video signal to the second cathode such that the second cathode emanates a second electron beam in response to the second video signal, a second cathode ray tube having first and second cathodes, control grids and a fluorescent screen, a circuit for applying the first video signal to the first cathode of the second cathode ray tube such that the first cathode of the second cathode ray tube emanates a first electron beam in response to the first video signal, a circuit for applying the second video signal to the second cathode of the second cathode ray tube such that the second cathode of the second cathode ray tube emanates a second electron beam in response to the second video signal and the interval between the first and second electron beams of the second cathode ray tube is wider than the interval between the first and second electron beams of the first cathode ray tube, a circuit for delaying the second video signal applied to the second cathode of the second cathode ray tube and a deflection device for horizontally and vertically deflecting the first and second electron beams of the first and second cathode ray tubes simultaneously.
Patent CA-1228630-A (CA)
Inventor: LEMMON PATRICK
IPC: A47B96/14
Filed: 1984-09-21
Granted: 1987-10-27
Abstract: ABSTRACT OF THE DlSCLOSURE A Custom Construction System consisting of a novel structural member in combination with as required, spreader members and equalizer members which are assembled together by various nuts, bolts and other hardware to produce various pieces of furniture and other home improvement projects.  The basic structural member consists of a rectangular shaped member having rounded edges and a plurality of bores passing through both its wider and narrower surfaces.  The basic structural member and the spreader members can be constructed utilizing a template.          The template consists of piece of material having two flanges at approximately a 90° angle with respect to each other.  One of the flanges has a rounded end.  Both flanges have bores located on their surfaces which are used for marking the location of the bores on workpieces to be converted into structural members and spreader members.
Patent CA-1237840-A (CA)
Title: Craze-resistant transparent resinous copolymers
Inventor: KITCHEN ALONZO G
IPC: C08L25/06
Filed: 1984-10-18
Granted: 1988-06-07
Abstract: Abstract of the Invention Resinous polymodal block copolymers of such as butadiene and styrene which are craze-resistant, transparent, and substantially color-free, and methods of producing the block copolymers. The copolymers are prepared by sequential charge copolymerization modes comprising the solution polymerization of at least two charges each of a conjugated diene, a monovinylarene, and a monoalkali metal initiator, at least one charge of conjugated diene monomer precedes the last charge of monoalkali metal initiator, at least one charge each of monovinylarene and of conjugated diene follows the last charge of monoalkali metal initiator, and the final charge of monomer is a charge of conjugated diene monomer, such that the number of charges of each of said components is not more than three, and the total of the charges of the three components is 8 or 9.
Patent CA-1251670-A (CA)
Inventor: STEPHENS ROBERT K
IPC: C03C17/38
Filed: 1984-11-26
Granted: 1989-03-28
Abstract: SOLAR RADIATION-CONTROL ARTICLES WITH PROTECTIVE OVERLAYER                                 Robert K. Stephens ABSTRACT             Radiation-control sheet materials are dis-closed, these materials including a transparent support material, an infrared radiation-reflecting layer and a protective polymeric layer therefor substantially trans-missive of infrared radiation and having therein or in a layer contiguous thereto an adhesion-promoting isocyanate.  The protective polymer layer provides anti-abrasion and anti-corrosion protection and is effectively bonded by the adhesion-promoting isocyanate.
Patent CA-1242985-A (CA)
Title: Method for controlling fluidized catalytic cracker regenerator temperature and velocity with carbon dioxide
Inventor: HEGARTY WILLIAM P
IPC: B01J38/30
Filed: 1984-12-13
Granted: 1988-10-11
Abstract: ABSTRACT    A process is set forth for the operation and control of a fluidized catalytic cracking unit wherein the regenerator is fed with independently controlled oxygen rich gas and carbon dioxide rich gas to maintain desired temperatures, velocities, and catalyst to oil (C/O) ratio within the constraints of the system.
Patent CA-1236630-A (CA)
Inventor: HEFNER ROBERT E JR
IPC: C08L75/04
Filed: 1985-04-12
Granted: 1988-05-10
Abstract: ABSTRACT OF THE DISCLOSURE         Polyester and polyesteramide alkyds containing no polycycloalkenyl end groups, in admixture with non-resinous vinyl monomers, are flexibilized by inclu-sion in the mixtures of about 1 to 20 parts by weight of a polyglycol moiety-comprising, vinyl reactive, urethane oligomer per hundred parts of the alkyd.
Patent CA-1245437-A (CA)
Inventor: RANDKLEV RONALD M
IPC: A61K6/884
Filed: 1985-04-17
Granted: 1988-11-29
Abstract: ABSTRACT OF THE DISCLOSURE          The present invention relates to a radiopaque dental composite, comprising a mixture of: (a) polymerizable resin suitable for use in the oral environment, and (b) non-vitreous microparticles, said microparticles individually comprising: (i) a plurality of amorphous microregions com-prising oxide of silicon, substantially uniformly interspersed with (ii) a plurality of crystalline microregions comprising radiopacifying polycrystalline ceramic metal oxide, said micro-particles being substantially free of visually opacifying inclusions.  The present invention provides microparticles which deliberately contain both amorphous and crystalline microregions.  Dental composites having low visual opacity are obtained by ensuring that the microparticles are substant-ially free of visually opacifying inclusions.
Patent CA-1249570-A (CA)
Inventor: AKIZUKI IKUO
IPC: B01J35/10
Filed: 1985-04-18
Granted: 1989-01-31
Abstract: ABSTRACT OF THE DISCLOSURE          Hydrotreating catalyst comprising alumina or alumina-containing carrier containing 2 to 35 wt. % silica and Group VIII and/or Group VIB metals as hydro-genation active components. The carrier is character-ized by a maximum of pores in 30 to 100 .ANG. range and a minimum of pores in 0 to 30 .ANG. and in 300 .ANG.°+. Prepara-tion includes a first step impregnation with at least one Group VIII metal and a second step impregnation with at least one Group VIB metal.  Preferably the impregnation is via ion exchange using a complex salt, preferably an ammine or amine salt, of the metal.
Patent CA-1269906-A (CA)
Inventor: SCOTT WILLIAM A
IPC: A01F12/40
Filed: 1985-04-22
Granted: 1990-06-05
Abstract: "STRAW CHOPPER AND SPREADER ASSEMBLY"          ABSTRACT OF THE DISCLOSURE           A straw chopper and spreader assembly for receiv-ing straw from a threshing machine, has a casing enclosing a pair of contra-rotatable flail assemblies.  The flails are mounted in different horizontal planes and have blades which overlap so as to shear and chop the straw.  At the rear of the casing is a rear outlet defined between a rear skirt and a bottom extension of the casing.  The rear skirt is adjustable so as to enlarge or reduce the size of the rear outlet.  In addition to discharge through the rear outlet, chopped straw is also discharged laterally through side chutes which have removable end portions so that discharge selectively may be outwardly and upwardly or outwardly and downwardly.  Chaff spreading discs are mounted below the assembly and rotates horizontally.  These receive chaff from the threshing combine via a reciprocating feed tray secured to and extending rearwardly from the reciprocal sieves and extend rearwardly from the sieve thereby deposit-ing chaff onto the discs to be spread outwardly with chopped straw.  A beater assembly rotates just above and behind the discharge of the straw walker which, together with a de-flector panel, forces the straw downwardly into the flail assemblies.
Patent CA-1226160-A (CA)
Inventor: SALEEB FOUAD Z
IPC: A23L2/38
Filed: 1985-05-27
Granted: 1987-09-01
Abstract: THE METHOD FOR FIXING FOOD INGREDIENTS      ON A MAGNESIUM SALT SUBSTRATE                        ABSTRACT     A method for fixing a water-soluble water-dispersible or water-emulsifiable food ingredient is disclosed.  The food ingredient is dried from an aqueous solution of a monobasic, dibasic and/or tribasic magnesium salt, the salt constituting the fixing substrate.  The fixation of juice solids, flavors, colors and high fructose corn syrups are enabled by this method.
Patent CA-1206901-A (CA)
Inventor: WOLFE SAUL
IPC: C12P35/00
Filed: 1985-05-29
Granted: 1986-07-02
Abstract: ABSTRACT OF THE DISCLOSURE        A process for converting a peptide precursor of the ACV type,in which the valine moiety may be replaced by any readily available amino acid,to an unnatural cephalosporin of the type   where R1 is H, lower alkyl or functionalized carboxylic group and R2 is H or lower alkyl, in which the precursor is reacted with cyclase, epimerase and a ring expansion enzyme isolated from a cell-free extract of a prokaryotic organism such as Streptomyces clavuligerus.  The three enzymes may be immobllized on a suitable support medium and the conversion may be carried out in a continuous mode.