baber/WOPTO huggingface dataset:
Patent CA-2005124-A1 (CA)
Title: Pneumatic anti-vibration mounting
Inventor: PUMPHREY GORDON L
IPC: F16M1/00
Filed: 1989-12-11
Abstract: ABSTRACT         A pneumatic anti-vibration mounting with a flat or inverted dish type top cover for mounting equipment below which is an inflatable hollow chamber in the approximate form of a toroid.  A central threaded bush attached below the top cover and passing down through the centre of the hollow chamber passed into a cavity in the base which is attached to the bottom of the hollow chamber.   Secured to the bottom of the central bush is a sit down bump stop.  A captive version of the mounting has an extended base plate with fixing down holes.  Inflation of the chamber via a valve or connection in the base or air chamber wall, causes the mounted equipment to rise thereby forming a very efficient vibration and shock isolator.
Patent CA-2006341-A1 (CA)
Title: Acylation process
Inventor: MCSHANE LAWRENCE J
IPC: C07D277/42
Filed: 1989-12-21
Abstract: ABSTRACT   7.beta.[2-(2-Tritylaminothiazol-4-yl)-2-(t-butyl-oxycarbonylprop-2-yl)oxyiminoacetamido]-3-pyridiniium-methyl-3-cephem-4-carboxylate 1 is obtained via a process comprising N-acylation of 7.beta.-amino-3-pyridinium-methyl-3-cephem-4-carboxylate lA with a mixed anhydride of2-(2-tritylaminothiazol-4-yl)-2-(t-butyloxycarbonyyl-prop-2-yl)oxyiminoacetic acid formed with a sulfonic acid halide or phosphoric acid halide, preferably carried out with silylated lA.  The process provides substantial yields of 1 of high purity.
Patent CA-2007320-A1 (CA)
Title: Microencapsulated agriculturally active material
Inventor: MISSELBROOK JOHN
IPC: A01N25/30
Filed: 1990-01-08
Abstract: "MICROENCAPSULATED AGRICULTURALLY ACTIVE                 MATERIAL"            Abstract of the Invention Agriculturally active materials, such as pesticides, herbicides and the like and a process for microencapsulating said materials. The present invention includes trifluralin having a polymorphic form characterized by a yellow color and a melting point of approximately 41'-43°C. The present invention also includes a method of using the yellow polymorphic form of trifluralin as a herbicide. In addition, the present invention includes a method of microencapsulating low-melting agriculturally active materials, such as trifluralin. The microencapsulation process comprises the steps of heating a low-melting, water-immiscible, agriculturally active material to a molten state. The molten active material is then combined with an aqueous solution of a water-soluble, film-forming polymer at a temperature sufficient to maintain the active material in its molten state. The active material is then dispersed or emulsified in the aqueous solution so that the active material has a primary particle size of between approximately 0.1 and 10 microns. The resulting dispersion or emulsion is then spray dried at a temperature between approximately 50° and 220°C. so as to microencapsulate the active material in the polymer. Compounds for promoting the rapid solidification of the active material are also disclosed.
Patent CA-2012510-A1 (CA)
Title: Apparatus for controlling the operation of hydraulic motors
Inventor: MARIAN ALFRED
IPC: F03C1/04
Filed: 1990-03-19
Abstract: ABSTRACT            In an apparatus for controlling the operation of hydraulic motors having infinetely adjustable eccentricity, wherein a flow-control valve between a pump and a hydraulic motor supplied with pressure medium and a control valve for adjusting the eccentricity of the hydraulic motor as a function of the operating pressure required by the hydraulic motor are provided, in connection with pressure optimization for keeping constant the torque of the hydraulic motor, the hydraulic motor is provided with a regulating device (7,10) which is mechanically connected to the eccentric (3) and transmits an eccentric adjustment outward, wherein this mechanical regulating device (7,10) acts on the flow-control valve (17) in such a way that, as a function of the change in the eccentricity, the flow-control valve (17) controls the pressure-medium quantity supplied to the hydraulic motor in such a way that the speed of the hydraulic motor is kept constant.
Patent CA-2014091-A1 (CA)
Inventor: AMEY RONALD L
IPC: C07D213/10
Filed: 1990-04-06
Abstract: Preparation of 3-picoline from 2-methylglutaronitrile in which the by-products, i.e., 3-methylpiperidine, 2-amino-3-picoline, and 2-amino-5-picoline are recycled and converted to 3-picoline.
Patent CA-2015502-A1 (CA)
Title: Preform carrying apparatus
Inventor: VOSS HERMANN
IPC: B65G29/00
Filed: 1990-04-26
Abstract: A preform carrying apparatus comprising: a rotary disk; a fixed plate disposed opposite to the rotary disk; first and second cams provided on the fixed plate; a support arm which can freely expand and contract in the radial direction from the rotary disk, the base end of which is rockably supported by the rotary disk, and which is provided with a first cam follower which is guided by the first cam and a second cam follower which is guided by the second cam; and a coupling disposed at the forward end of the support arm so as to removably support the neck portion of the preform.          The support arm is expanded and contracted in the longitudi-nal direction in accordance with the trailing position of the first cam follower and rocked around the base end as the fulcrum in accordance with the trailing position of the second cam follower.  The feeding of the preform can be accelerated, decelerated or stopped during the continuous rotation of the rotary disk.
Patent CA-2027945-A1 (CA)
Inventor: LANGER RUTH
IPC: E04G7/00
Filed: 1990-10-18
Abstract: a connecting head for scaffold systems, with the connecting head including a connecting zone having centering lobes and an annular contact surface as well as a conical surface arranged so as to provide for favorable welding conditions.
Patent CA-2028159-A1 (CA)
Inventor: NAKAKOJI HISATADA
IPC: C25D5/26
Filed: 1990-10-22
Abstract: A plated steel sheet is produced by an electroplating in a plating bath of about 350 to 500°C containing a chloride of Zn, a chloride of Mg and one, two or more of chlorides of Na, K and Li, with a plating current density ranging between about 20 and 350 A/dm.  The Zn-Mg alloy plated steel sheet superior both in plating adhesion and corrosion resistance has a plating layer formed on at least one surface thereof in an amount of about 10 to 60 g/m, and by electroplating in a bath of a fused salts, the plating layer containing about 1 to 35 wt% of Mg, about 0.5 to 25 wt% of mean value of Fe and the balance substantially Zn and incidental inclusions.  The Fe content in the plating layer has such a gradient that its concentration is greatest at the interface between the plating layer and the steel sheet and progressively decreases towards the surface of the plating layer opposite to the steel sheet where the Fe content is substantially zero.  The plated steel sheet may further have chromate treatment layer formed on the plating layer, with or without an organic coating film formed on the chromate treatment layer.
Patent CA-2028757-A1 (CA)
Inventor: POTTER WILLIAM R
IPC: G02B6/00
Filed: 1990-10-29
Abstract: The present invention relates to improvements on fiberoptic diffusers for use in PDT and methods of making the same. This invention discloses a fiberoptic cylindrical diffuser dispersing light outwardly in a cylindrical scattering pattern which includes a fiber with a jacket-stripped core tip, a thin layer of scattering medium coated on the bare core tip, and a sleeve member with a closed end enclosing the fiber tip without touching the scattering medium and fixed on the jacket of the fiber. The sleeve member may include a tapered head. The present invention also discloses a fiberoptic spherical diffuser radiating light outwardly in a spherical scattering pattern. The spherical diffuser comprises a fiber with a jacket-stripped core tip, a bushing member with open ends circumferentially surrounding the core tip and fixed on the jacket of the fiber, and a scattering medium enclosing a portion of the bushing member and the fiber core tip in a spherical form. <IMAGE>
Patent CA-2030678-A1 (CA)
Title: Real-time rejection circuit to automatically reject multiple interfering hopping signals while passing a lower level desired signal
Inventor: SKUDERA WILLIAM J JR
IPC: H04K3/00
Filed: 1990-11-21
Abstract: ABSTRACT        A real-time rejection circuit for passing low level desired signals in the presence of one or more strong  interfering signals.  A chirp-Z transform system separates the various frequency components of a received signal into frequency segregated time domain signals.  A power splitter separates the time domain signal into two paths.  One path includes a modulator or switch that is normally biased "ON" for passing the time domain signal.  The second path includes a diode detector that produces pulses of sufficient strength when a strong interfering component is present to override the bias and turn the modulator "OFF" for a sufficient period of time to attenuate the unwanted frequency components in the other path.  The modulator output will primarily contain the low level desired frequency components that are passed through an inverse transform device for producing a frequency domain signal of the desired signal uncorrupted by unwanted signals.
Patent CA-2032750-A1 (CA)
Title: Emulsion polymerisation
Inventor: HALLAM MALCOLM F
IPC: D06M15/333
Filed: 1990-12-19
Abstract: Abstract A vinyl(C1 to C4)alkanoate/alkylene or alkyl(C1 to C12)acrylate copolymer emulsion is overpolymerised with alkyl acrylates and/or acrylonitrile.  The product emulsions are usable as binders for textiles, carpets and paper; they provide improved water and solvent resistance for the treated substrate.
Patent CA-2033639-A1 (CA)
Inventor: GRAY RICHARD T
IPC: C08J5/18
Filed: 1991-01-04
Abstract: Metal-free polymer compositions are disclosed which contain selectively swellable emulsion polymer functionalities and which are cross-linked before film formation to an extent that still allows the polymers to form a film upon application, which film is removable with a stripper solution containing swellant for the polymer functionality. When the polymers are formulated into sacrificial coatings, the polishes produce detergent resistant and removable finishes.
Patent CA-2034157-A1 (CA)
Inventor: POELKER JOHN N
IPC: H01P1/00
Filed: 1991-01-15
Abstract: A voltage controlled oscillator  having improved frequency linearization charac-teristics. A radial line, (top-hat) disc geometry  in conjunction with a varactor diode are disposed in a broadband, ridged waveguide oscillator circuit to produce a frequency linearized voltage controlled oscillator. A negative resistance device is recessed into the ridged waveguide and coaxially coupled via an impedance transformer to the ridged waveguide cavity. The present invention uses a disc resonator in a ridged waveguide to transform the microwave impedance of a non-RF generating element, a varactor diode, to values which provide improved voltage controlled oscillator tuning linearity. The disc resonator or radial line is located above the varactor diode. The radial line transforms the microwave impedance of the varactor diode to a new value which is then coupled into the ridged waveguide circuit and subsequently to the RF generating diode. The circuit impedance, which is a function of the varactor voltage, acts to linearize the frequency versus voltage characteristic of the diode. A comparison of the operation of the circuit with and without the radial line/tuning disc shows a 13:1 improvement in the frequency linearity. Experimental results show that the circuit configuration of the pre-sent invention is ideal for use in microwave and millimeter-wave voltage controlled oscillators which require inherent frequency versus voltage linearity. Since the voltage cpmtrolled oscillator frequency linearity is a critical factor in phase locked loop perfor-mance, it is especially suited for use in microwave and millimeter-wave radar or com-munication systems which are frequency agile.
Patent CA-2035025-A1 (CA)
Title: Device and installation of thin film chromatography, with improved development
Inventor: POSTAIRE ERIC
IPC: G01N30/94
Filed: 1990-07-11
Abstract: Improvements have been made to the developing step in thin layer chromatography, both on a developing device for carrying out the improvement, and in apparatus containing the device.      The improvements are on a developing method in a thin-layer chromatography developing procedure in which a chromatographic plate to be developed is brought into contact with a material which is impregnated with a developing reagent. The improvement includes pressing, in a substantially-uniform manner, a porous polymer containing the developing reagent, against the thin-layer chromatography plate to be developed.      The porous polymer possesses sufficient absorbing power completely to impregnate the chromatographic plate without immersing it during the contact under pressure, and a capacity for reabsorbing excess reagent when the porous polymer is withdrawn from the plate. The developing device for the thin layer chromatography comprises a porous polymer which is resistant to conventional chromatography developing reagents and which has sufficient absorbing power completely to impregnate a chromatographic plate without immersing it at the time of contact under pressure and to reabsorb excess reagent when the porous material is withdrawn from the chromatographic plate. The device includes a manipulation support which is inert with respect to the developing reagents, and which has sufficient rigidity to allow an appropriate pressure to be applied to the thin-layer chromatographic plate and on which the porous material is mounted or fixed.
Patent CA-2035223-A1 (CA)
Title: Method of passivating alkali metals on fluid catalytic cracking catalysts using aluminum containing compounds
Inventor: FORESTER DAVID R
IPC: C10G11/05
Filed: 1991-01-29
Abstract: ABSTRACT         In a hydrocarbon fluid catalytic cracking process, high concentrations of sodium in the hydrocarbon entering the reactor will poison the reaction sites on the FCC catalysts, thereby reducing the efficiency of the cracking process.  The addition of an aluminum compound to the hydrocarbon significantly reduces the poisoning effect of the sodium on the catalyst.  The aluminum compound may be selected from the group consisting of aluminum nitrate, aluminum isopropoxide, aluminum oxide and sulfate salts of aluminum.
Patent CA-2037066-A1 (CA)
Title: Image processing technique
Inventor: CARLSON ROBERT C
IPC: G06T5/00
Filed: 1991-02-26
Abstract: ABSTRACT OF THE DISCLOSURE       A novel method of image filtering to enhance the appearance of imagery, particularly synthetic aperture radar imagery.  The invention uses detected edges to adaptively control the bandwidth of filters used for noise suppression.   The technique of the present invention offers improved noise suppression while minimizing the loss of resolution due to filtering.
Patent CA-2044165-A1 (CA)
Title: Positive resist composition
Inventor: UETANI YASUNORI
IPC: G03F7/022
Filed: 1991-01-11
Abstract: ABSTRACT OF THE DISCLOSURE       A positive resist composition which comprises an alkali-soluble resin and, as a sensitizer, a quinone diazide sulfonic acid ester of a phenol compound of the formula:                  ( I ) wherein Y1, Y2, Z1, Z2, Z3, Z4, Z5, Z6 and Z7 are indepen-dently a hydrogen atom, a hydroxyl group, a C1-C4 alkyl group which may be substituted with a halogen atom, provided that at least one of Y1 and Y2 is a hydroxyl group, and at least two of Z1 to Z7 are hydroxyl groups, and R1, R2, R3, R4, R5 and R6 are independently a hydrogen atom, a C1-C10 alkyl group, a C1-C4 alkenyl group, a cycloalkyl group or an aryl group, which composition has a high y-value.
Patent CA-2046847-A1 (CA)
Title: Surgical needle and package counter
Inventor: JAIN KRISHNA M
IPC: A61B17/06
Filed: 1991-07-11
Abstract: SURGICAL NEEDLE AND PACKAGE COUNTER      ABSTRACT OF THE DISCLOSURE           A surgical needle package counter is particularly constructed for receiving and snugly retaining an opened surgical needle package sequentially in a number of slots particularly configured and sized to receive such opened surgical needle packages.  Each slot for receiving an opened surgical needle package is identified by a number with the numbers being in sequence so that an immediate total number of opened surgical needle packages stored in the counter may be observed.  The surgical needle package counter may have an integral extension in which a foam filler or slab may be seated.  The foam filler or slab is particularly formed to receive used surgical needles. Preferably, each used surgical needle will be received in a needle receiving zone which corresponds with the slot of the surgical needle package counter so that the number of used surgical needles can be automatically identified by the numerals which identify the surgical package slots.  A suitable cover is provided for retaining the used surgical needles for disposal or possible future recount.
Patent CA-2047752-A1 (CA)
Title: Hormone response element compositions and assay
Inventor: EVANS RONALD M
IPC: C12Q1/6897
Filed: 1990-03-16
Abstract: The present invention discloses steroid/thyroid hormone receptor DNA binding domain compositions that determine tar-get gene specificity. The invention further discloses methods converting the target gene specificity of one receptor into the target gene specificity of another. Still further the invention discloses novel assays for identifying ligands for orphan. hormone receptors. These assays are especially useful since they avoid the necessity of constructing chimeric genes and proteins in order to search for ligands that can activate a putative receptor.
Patent CA-2048037-A1 (CA)
Title: Axially free roller cylinder assembly improvement for a press forming glass sheet system
Inventor: MOULDING FRANK E
IPC: C03B23/03
Filed: 1991-07-29
Abstract: A ball bearing type roller cylinder assembly is disclosed comprising a center shaft having a free end. The shaft may,  for example,  be held in a mounting fixture.  A spindle concentric with the center shaft is fixed on its free end.  A roller cylinder housing the spindle comprises a cylindrical outer skirt, a first end cap which cooperates with a first end surface of the spindle to form a first ball bearing race, and a second end cap which cooperates with the second end of the spindle to form a second ball bearing race.  The roller cylinder is freely rotatable and contacts the spindle only indirectly through the ball bearings.   Preferred embodiments of the roller cylinder assembly are suitable for  use  alone  or  in  sets  in  high  temperature applications, particularly in glass fabrication systems for hot press forming heated sheets of glass.
Patent CA-2048265-A1 (CA)
Title: Apparatus for turning a panel or a panel stack on the worktable of a cutting machine
IPC: B27B31/04
Filed: 1991-08-01
Abstract: The apparatus for turning by 90°  a panel or a panel stack (P) on the cutting machine worktable (Q), comprises a withdrawable gripping means (1) which can be rotated around a vertical axis (2), and upon control is caused to clamp a panel  stack  (P)  close  to  one  of  its  rear corners.  The gripping means (1) is associated with shifting means (7) for the gripping means (1) to be caused to perform in a program-mable precise manner a rectilinear movement (3) near to, and away from the cutting line (Z) of the longitudinally cutting machine,  such that the panel stack (P) will be turned in clockwise or anticlockwise direction, depending on the panel stack (P) being clamped at its left-hand or right-hand cor-ner. Thus,  any cutting pattern,  such as a cutting pattern with a pre-cutting operation, for which a panel stack (P) needs to be turned by 90°, can be then carried out. A with-drawable pushing means  (4)  is caused to act on the panel stack (P) concurrently with the gripping means (1), by being moved parallel to the longitudinally cutting machine in a programmable precise manner, so that it helps in the desired turning of the panel stack (P). Differently from the known art,  a  lesser  floor  space  is  here  occupied  by  the conventionally  constructed  worktable  Q  for  supporting  a panel stack as it is being turned by 90.
Patent CA-2050586-A1 (CA)
Title: Pharmaceutical lipid composition for parenteral nutrition
Inventor: LINDMARK LARS
IPC: A61K9/00
Filed: 1990-03-26
Abstract: A composition for parenteral nutrition consists of an oil-in-water emulsion of a lipid mixture of which about 10 to about 30 weight percent consists of oil from the genus Borago and contains gamma-linolenic acid in the form of triglycerides in an amount of about 2 to about 10 weight percent of the lipid mixture. The emulsion also contains L-carnitine in an amount of about 0.1 to about 0.5 g per 100 g of the lipid mixture, and an aqueous phase. The composition is specially suitable for nutrition of humans for biosynthesis of cell membranes and prostanoids, especially infants.
Patent CA-2052962-A1 (CA)
Inventor: ISAKSEN ROALD
IPC: B65D90/10
Filed: 1991-10-08
Abstract: Improvement in a so-called "floating frame" for manhole covers or the like. The frame (1) comprises a radially outwardly extending flange (2) designed to be placed flush with the surface of the road or the like in which the manhole or the like is disposed, and a skirt (3) designed to extend axially into the upper part of the manhole, formed by e.g. a concrete pipe (4) or into an elongation of such pipe. In order to determine the frame level with respect to the wall pipe (4) and/or for visual inspection of the condition or quality of the surface material in which the frame floats, the frame (1) is provided with at least one aperture or cut-out (5, 15, 16) in the frame skirt (3), the frame flange (2) and/or the cover seating (2') in the frame.
Patent CA-2056338-A1 (CA)
Inventor: SHIKE TSUTOMU
IPC: F23Q2/16
Filed: 1991-11-27
Abstract: A piezoelectric gas lighter has an actuator cap which is mounted on an upper part of a lighter body to be movable up and down between upper and lower positions relative to the lighter body and is urged to the upper position. The actuator cap is depressed toward the lower position to discharge fuel gas stored in a reservoir provided in the lighter body and to actuate an ignition mechanism to ignite the fuel gas.  A safety device for the piezoelectric gas lighter includes a projection which is provided on said upper part of the lighter body, a stopper member which is mounted on said actuator cap so that it can be movable relative to the actuator cap along a linear path between a locking position where a part of the stopper member is aligned with the projection and interferes with the projection to prevent downward movement of the actuator cap and a releasing position where said part of the stopper member is out of alignment with said projection and permits downward movement of the actuator cap and so that the actuator cap can be depressed by pushing downward the stopper member, and a spring which urges the stopper member to the locking position.  The projection has a vertical surface which extends downward facing toward the releasing position of the stopper member and the vertical surface holds the stopper member in the releasing position when the actuator cap is below said upper position.
Patent CA-2058562-A1 (CA)
Title: Tin containing elastomers and products having reduced hysteresis properties
Inventor: HERGENROTHER WILLIAM L
IPC: C08F4/42
Filed: 1991-12-30
Abstract: An anionic polymerization initiator comprising the reaction product of a an organotin halide and lithium in a suitable solvent. Elastomeric polymers prepared with these initiators have tin containing functional groups on substantially every polymer chain and provide vulcanizable rubber compounds exhibiting reduced hysteresis. Articles such as tires, produced with low hysteresis elastomeric polymers have lower rolling resistance. Methods are also provided for preparing the initiators and the elastomers having reduced hysteresis properties.