baber/WOPTO huggingface dataset:
Patent CA-3103645-A1 (CA)
Title: Method for separating copper from nickel and cobalt
Inventor: HIGAKI TATSUYA
IPC: C22B3/10
Filed: 2019-06-21
Abstract: Provided is a method for efficiently separating copper from nickel and cobalt from a sulfide containing nickel and cobalt together with copper. The present invention is a method for separating copper from nickel and cobalt, the method comprising pulverizing a sulfide containing copper and nickel and cobalt into a predetermined size and then stirring the resultant product under the condition having an oxidation-reduction potential (a reference electrode: a silver/silver chloride electrode) of less than 100 mV using an acid solution to perform a leaching treatment. In this separation method, a leach liquor in which nickel and cobalt are leached and a leach residue containing copper sulfate are produced as the result of the leaching treatment.
Patent CA-3104154-A1 (CA)
Inventor: KEZIOS PETER
IPC: B32B27/36
Filed: 2020-12-24
Abstract: ABSTRACT Compositions of high molecular weight poly(hydroxy acid) polymer having good thermal stability and a weight average molecular weight of >100,000 by GPC. The compositions include one or more chain-terminator compounds/impurities which may be incorporated into the polymer and rendered haimless by the presence of appropriate amounts of bi-functional and multi-functional polymerization initiators. A process including first mixing glycolic acid and/or lactic acid (with chain-terminators), and a diol or di-acid initiator, and at least one multifunctional initiator to form a liquid monomer mixture in an agitated polycondensation reactor. Next, polycondensing to form a liquid reaction mixture comprising a pre-polymer having a weight average molecular weight of >10,000 by GPC, and greater than 80% by mole hydroxyl or carboxyl end-group termination, then crystallizing to form a first solid reaction mixture. Then, solid state polycondensing the solid reaction mixture to form a solid reaction mixture having a moisture level less than 50 ppm by weight. Then, mixing the solid reaction mixture with an appropriate reactive coupling agent in a melting and mixing extruder to couple and form the reaction mixture and form the final poly(hydroxy acid) polymer. Date Recue/Date Received 2020-12-24
Patent CA-3104571-A1 (CA)
Inventor: MINERBA FRANCESCO
IPC: A47J31/36
Filed: 2019-06-28
Abstract: Device (100) for distributing capsules with axial symmetry and irregular shape, comprising a container (10) apt to receive in bulk a plurality of capsules (1); - an ordering assembly placed inside said container (10), apt to arrange said capsules (1) vertically; - an orientating assembly, apt to receive the capsules (1) from said ordering assembly and to orientate them in a predetermined direction; - a conveying assembly apt to receive the capsules (1) from said orientating assembly and to convey them towards a distribution outlet in a predetermined orientation.
Patent CA-3107909-A1 (CA)
Title: Synthesis of chromanol derivatives
Inventor: WEINGARTEN MELANIE
IPC: C07D311/58
Filed: 2019-08-16
Abstract: The present invention relates to a process for the production of chromanol derivatives, more specifically to a process for preparing a compound of the general formula (I) wherein R1, R2 and R3 independently of each other are selected from hydrogen and methyl, R4 is selected from hydrogen and C1-C6-alkanoyl, and X is selected from C1-C20-alkyl and C2-C20-alkenyl.
Patent CA-3109458-A1 (CA)
Title: Ion exchangeable borosilicate glass compositions and glass articles formed from the same
Inventor: SCHAUT ROBERT ANTHONY
IPC: C03C4/20
Filed: 2019-08-05
Abstract: A glass article may include SiO2, Al2O3, B2O3, at least one alkali oxide, and at least one alkaline earth oxide. The glass article may be capable of being strengthened by ion exchange. The glass article has a thickness t. The concentration(s) of the constituent components of the glass may be such that: 13 = 0.0308543 * (188.5 + ((23.84*Al2O3)+(-16.97*B2O3) + (69.10*Na2O) + (-213.3*K2O)) + ((Na2O-7.274)2*(-7.3628) + (Al2O3-2.863)*(K2O-0.520)*(321.5) + (B2O3-9.668)*(K2O-0.520)*(-39.74)))/t.
Patent CA-3110153-A1 (CA)
Title: Gene sequence of recombinant human type ii mitochondrial dynein-like gtpase and uses thereof
Inventor: LI BIN
IPC: A61P27/02
Filed: 2019-08-23
Abstract: A recombinant human type II mitochondrial dynein-like GTPase gene sequence and application thereof, wherein the nucleotide sequence thereof is represented by SEQ ID NO.: 1. A fusion nucleic acid, comprising a nucleic acid encoding human type II mitochondrial dynein-like GTPase. A recombinant expression vector, comprising the nucleic acid or the fusion nucleic acid. A transformant, which introduces the nucleic acid or the fusion nucleic acid into a host. An ADOA model for a non-human mammal based on type ? mitochondrial dynein-like GTPase gene inactivation, wherein the recombinant expression vector encoding the human type II mitochondrial dynein-like GTPase can effectively improve pathological manifestations of ADOA. The expression of the nucleic acid encoding the human type II mitochondrial dynein-like GTPase is higher, and therefore, more human type II mitochondrial dynein-like GTPase can be obtained in mitochondria, and eye diseases, such as the ADOA, can be treated better.
Patent CA-3110468-A1 (CA)
Title: A hosted device provisioning protocol with servers and a networked responder
Inventor: NIX JOHN A
IPC: G06F21/30
Filed: 2019-05-15
Abstract: A network can operate a WiFi access point with credentials. An unconfigured device can support a Device Provisioning Protocol (DPP), and record bootstrap public keys and initiator private keys. The network can record bootstrap public and responder private keys and operate a DPP server. A responder proxy can establish a secure and mutually authenticated connection with the network. The network can (i) derive responder ephemeral public and private keys, (ii) record the initiator bootstrap public key, and (iii) select a responder mode for the responder. The network can derive a shared secret with at least the (i) recorded the initiator bootstrap public key and (ii) derived responder ephemeral private key. The network can encrypt credentials using at least the derived shared secret and send the encrypted credentials through the responder proxy to the initiator, which can forward the encrypted credentials to the device, thereby supporting a device configuration.
Patent CA-3111771-A1 (CA)
Inventor: HENRIKSSON ERIKA
IPC: B21J9/12
Filed: 2019-09-26
Abstract: The invention provides a method for material forming and/or cutting, by means of a tool (4) and a drive unit (1), the method comprising moving the drive unit (1) to provide kinetic energy to the tool (4), for the tool (4) to strike a work material (W), so as to form and/or cut the work material (W), wherein the tool (4) is operatively disassociated from the drive unit (1) before the tool (4) strikes the work material (W).
Patent CA-3112643-A1 (CA)
Title: Accuracy evaluation apparatus and accuracy evaluation method
Inventor: IDE HAYATO
IPC: G06F30/20
Filed: 2021-03-18
Abstract: An accuracy evaluation apparatus evaluates accuracy of coupling portion where first component having first coupling surface and second component having second coupling surface are coupled to each other. The apparatus includes:  display unit; and CPU and memory. The CPU is configured to perform: acquiring design data and measurement data of the components; calculating error between design reference point on the coupling surfaces in the design data and reference points on the coupling surfaces corresponding to the design reference point in the measurement data;  and calculating interference degree at the design reference point when coupling components based on the error. The display unit displays design model of the components based on the design data and superimposes indicator representing the interference degree on the design model at the design reference point.
Patent CA-3115287-A1 (CA)
Title: Microbial analysis without cell purification
Inventor: STRAUS DON
IPC: A61K35/741
Filed: 2019-10-04
Abstract: The invention provides systems and methods for rapid automated identification of microbes and antimicrobial susceptibility testing (AST) directly from a patient specimen, without specimen preparation. Specimens are loaded into an analytical cartridge for processing. Analytical cartridges are preloaded with species-specific labels that are used to identify and enumerate microbes in the specimen. Instruments, such as analyzers can be used to interact with analytical cartridges to carry out methods of the invention all within the cartridge.
Patent CA-3115836-A1 (CA)
Inventor: WANG LIMING
IPC: G02B6/12
Filed: 2019-10-31
Abstract: In a photonic integrate circuit (PIC) architecture, non-guided stray light that is radiated from components, junctions, discontinuous and scattering points in an integrated optic device, may be received by an integrated waveguide structure in the path of the stray radiation. The integrated waveguide structure may comprise a plurality of collectors that are configured to collect the non-guided stray light from the radiating source. Each of the collectors may comprise an integrated waveguide with a front end that is tapered to increase the mode-field size and pointed toward the stray light source, and with a back end that is connected to a secondary waveguide. The collectors are placed in the path of the stray light and aligned in the propagation direction of the stray light. The collected stray light is guided to a light energy damper through the second waveguide for converting light energy into heat.
Patent CA-3115851-A1 (CA)
Title: Galactose oral composition and use thereof
Inventor: HU OLIVER YOA-PU
IPC: A61K31/7004
Filed: 2018-10-19
Abstract: A galactose oral composition having galactose, an antioxidant and a buffer. The galactose oral composition contains 1%-80%by weight of galactose. The antioxidant is selected from Vitamin A, Vitamin C, Vitamin E, Ethylenediaminetetraacetic acid (EDTA), sodium bisulfite, flavonoids, polyphenols, Diethylenetriaminepentaacetic acid (DTPA), and NTA-Nitrilotriacetate acid (NTA). The buffer is selected from ascorbic acid buffer, citrate buffer, phosphate buffer, acetate buffer, carbonate buffer, and triethanolamine buffer. The galactose oral composition can be applied to detect individual galactose metabolic ability to assess liver function.
Patent CA-3115944-A1 (CA)
Title: Disulfide bond stabilized polypeptide compositions and methods of use
Inventor: DO HUNG
IPC: A61P3/00
Filed: 2019-10-10
Abstract: Provided herein are polypeptides comprising one or more non-native cysteine residues that form a disulfide bridge between non-native cysteines within the protein or between non-native cysteines of two monomers of the protein. Such modified human polypeptides are useful in treatment of genetic diseases via enzyme replacement therapy and/or gene therapy.
Patent CA-3116299-A1 (CA)
Title: Method for producing a lens and ultrasound device comprising the lens
Inventor: JIMENEZ GONZALEZ NOE
IPC: G03H3/00
Filed: 2019-10-21
Abstract: The invention relates to a method for producing a lens (2) for an ultrasound apparatus, as well as to an apparatus comprising the lens. The method comprises choosing a source point (6), providing a treatment volume (4) situated inside a bone tissue model (3), providing a plurality of nodes (5) distributed inside the treatment volume (4), and simulating the emission of a spherical wave (7) from each of the nodes (5). Thus, a simulated wave front is created, in which each spherical wave (7) has an amplitude and a phase, there being at least two nodes with different amplitudes and/or phases. The simulated wave front is received on a receiving surface (8). On the basis of the processed results, a holographic lens surface is designed, which can generate a wave pattern equivalent to the simulated wave.
Patent CA-3119048-A1 (CA)
Title: Dispositifs d'echange de fluides et systemes et procedes associes
Inventor: JUDGE SCOTT
IPC: F04F13/00
Filed: 2019-11-08
Abstract: La présente invention concerne des dispositifs et des systèmes d'échange de propriétés entre au moins deux courants de fluides et des procédés associés peuvent comprendre un dispositif de vanne comprenant un actionneur de vanne conçu pour se déplacer à des vitesses variables afin de remplir et de vider sélectivement au moins un réservoir. Des dispositifs pour échanger des propriétés entre au moins deux courants de fluide peuvent comprendre un dispositif de vanne comprenant des ouvertures étagées et chevauchantes positionnées le long d'un trajet d'un actionneur de vanne. Les ouvertures étagées et chevauchantes peuvent être conçues pour placer sélectivement et progressivement une entrée en communication avec au moins un réservoir.
Patent CA-3119862-A1 (CA)
Inventor: DEVERS ELODIE
IPC: B01J38/12
Filed: 2019-12-10
Abstract: The invention concerns a method for rejuvenating an at least partially used catalyst originating from a hydroprocessing and/or hydrocracking process, the at least partially used catalyst being derived from a fresh catalyst comprising at least one group VIII metal (in particular, Co), at least one group VIB metal (in particular, Mo), an oxide support, and optionally phosphorus, the method comprising the steps:  a) regenerating the at least partially used catalyst in a gas stream containing oxygen at a temperature between 300°C and 550°C so as to obtain a regenerated catalyst,  b) then placing the regenerated catalyst in contact with phosphoric acid and an organic acid, each having acidity constant pKa greater than 1.5,  c) performing a drying step at a temperature less than 200°C without subsequently calcining it, so as to obtain a rejuvenated catalyst.
Patent CA-3121900-A1 (CA)
Title: Fabricating calcite nanofluidic channels
Inventor: CHA DONG KYU
IPC: G01N15/08
Filed: 2019-12-02
Abstract: A method for fabricating calcite channels in a nanofluidic device is described. A porous membrane is attached to a substrate. Calcite is deposited in porous openings in the porous membrane attached to the substrate. A width of openings in the deposited calcite is in a range from 50 to 100 nanometers (nm). The porous membrane is etched to remove the porous membrane from the substrate to form a fabricated calcite channel structure. Each channel has a width in the range from 50 to 100 nm.
Patent CA-3122571-A1 (CA)
Title: Pyrimidone derivatives as selective cytotoxic agents against hiv infected cells
Inventor: CONVERSO ANTONELLA
IPC: A61K31/505
Filed: 2019-12-13
Abstract: The present disclosure is directed to pyrimidone derivatives of Formula I and their use for selectively killing HIV infected GAG-POL expressing cells without concomitant cytotoxicity to HIV nave cells, and for the treatment or prophylaxis of infection by HIV, or for the treatment, prophylaxis or delay in the onset or progression of AIDS or AIDS Related Complex (ARC).
Patent CA-3122722-A1 (CA)
Inventor: HO KING
IPC: G01F23/26
Filed: 2019-12-12
Abstract: A capacitive liquid level sensor (1). The sensor comprises a sensor body in the form a tongue with a freely depending portion (3) extending to a distal tip (6) at its lowermost end. A set of spaced capacitive electrodes (7) extend along the tongue towards the distal tip. In use, when the distal tip (6) of the tongue is immersed in a body of liquid, the capacitance between the electrodes (7) changes depending on the depth of the body of liquid. The width of the tongue increases in the downward direction at least for part of the bottom half of the freely depending part of the tongue.
Patent CA-3123366-A1 (CA)
Title: Blood vessel harvesting system
Inventor: IKEDA TSUKASA
IPC: A61B8/12
Filed: 2019-12-17
Abstract: This blood vessel harvesting system, for harvesting blood vessels in a state of being covered by surrounding tissue, includes a separating device and a display device. The separating device comprises: a rod part inserted into a living body; an optically transparent taper-shaped separating part disposed at the distal end portion of the rod part; an endoscope unit disposed inside the rod part, capturing, through the separating part, an endoscope image of the interior of the living body; and an ultrasound transceiver unit disposed on the outer peripheral surface of the rod part transmitting ultrasound into the living body and receiving reflected waves from the interior of the living body. The display device matches the scale of the endoscope image with the scale of the ultrasound image acquired by the ultrasound transceiver unit and simultaneously displays the endoscope image and the ultrasound image side by side on a display screen, while positioning the endoscope image and the ultrasound image on the display screen in such a manner as to match, on the display screen, a point in the endoscope image indicating a predetermined position in the living body with a point in the ultrasound image indicating the predetermined position.
Patent CA-3123786-A1 (CA)
Title: Recycling enhancement for flexible packaging
Inventor: PEYTON ANTHONY
IPC: B65D27/00
Filed: 2021-07-02
Abstract: An adhesive web attachable to a part of a flexible package that is foldable or scrollable into a three-dimensional shape when substantially empty; said web being adapted to be deployed to enhance the ability of said package to remain in said three-dimensional shape; wherein said web is releasably adhesive to an outer surface of said package so that it lays flat on said surface; and wherein a first part of said web may be lifted from contact with said surface and reattached to a different part of said package.
Patent CA-3124802-A1 (CA)
Inventor: FINCHAM LAWRENCE R
IPC: H04R5/02
Filed: 2014-03-10
Abstract: A slim profile speaker which includes a first mounting surface and a second mounting surface substantially parallel to one another and mechanically coupled. The slim profile speaker also includes a first set of drivers disposed on the first mounting surface and a second set of drivers disposed on the second mounting surface and radiating in an opposite direction compared to the first set of drivers. At least one of the second set of drivers is laterally offset from all of the first set of drivers. Each driver is associated with a magnet reaction force related to its forward and rearward motion and with a moment resulting from the driver's force and position relative to a center of mass of said speaker. The drivers are arranged such that the aggregate forces and moments of the first set and second set of drivers substantially cancel.
Patent CA-3125012-A1 (CA)
Title: Material washing system and apparatus
Inventor: HASLETT STEVEN
IPC: B03B5/02
Filed: 2021-07-16
Abstract: A washing apparatus comprises a screening apparatus having a first screening deck located below a second screening deck, wherein the first screening deck passes material that is larger than the material passed by the second screening deck. A liquid delivery system delivers liquid onto the first screening deck to wash material on the first deck. Material that passes through the first deck is conveyed upwards and delivered onto the second deck for dewatering. The apparatus is able to wash and dewater aggregate material in a single unit with a relatively small footprint and relatively high throughput.
Patent CA-3125897-A1 (CA)
Title: One-time pads encryption hub
Inventor: SOLOMON MARIA
IPC: G06F21/60
Filed: 2020-01-08
Abstract: A system comprising: at least one hardware processor; and a non-transitory computer- readable storage medium having stored thereon program instructions, the program instructions executable by the at least one hardware processor to: receive, by a routing hub in a computer network, from an origin node, a communication intended to a destination node, wherein said communication is encrypted with a one-time pad (OTP) associated with said origin node, apply, by said routing hub, to said communication, a customized OTP configured to simultaneously (i) encrypt said communication with said OTP associated with said destination node, and (ii) decrypt said communication with said OTP associated with said origin node, and deliver said communication to said destination node for decrypting said communication with said OTP associated with said destination node.
Patent CA-3126486-A1 (CA)
Title: High resolution audio coding
Inventor: GAO YANG
IPC: G10L19/00
Filed: 2020-01-13
Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for performing long-term prediction (LTP) are described. One example of the methods includes determining a pitch gain and a pitch lag of an input audio signal for at least a predetermined number of frames. It is determined that the pitch gain of the input audio signal has exceeded a predetermined threshold and that a change of the pitch lag of the input audio signal has been within a predetermined range for at least the predetermined number of frames. In response to determining that a pitch gain of the input audio signal has exceeded the predetermined threshold and that the change of the third pitch lag has been within the predetermined range for at least the predetermined number of frames, a pitch gain is set for a current frame of the input audio signal.
Patent CA-3127320-A1 (CA)
Inventor: WOOD ANDREW
IPC: A24F1/00
Filed: 2021-08-10
Abstract: A smoking pipe for smoking a tobacco product has an elongated pipe body with a passage therethrough a mouthpiece portion at the first end of the pipe body and a chamber formed in the second end of the pipe body opposite to the mouthpiece portion. A cartridge removably supported within the chamber receives the tobacco product therein. The cartridge can be slidably removed to allow the chamber to be cleaned and refilled simply by removing the cartridge and replacing the cartridge with a new, clean cartridge having fresh smoking product optionally already packed therein.  The pipe body may be optionally formed in two body sections joined to one another by respective magnetic couplers at the abutted inner ends of the two body sections.
Patent CA-3129315-A1 (CA)
Title: Methods for nucleic acid analysis
Inventor: ALMOGY GILAD
IPC: C12Q1/6844
Filed: 2020-02-10
Abstract: The present disclosure provides methods and processes for increasing the efficiency and accuracy of nucleic acid sequencing using techniques such as polymerase chain reaction (PCR). The methods described herein can be used to achieve clonal amplification even with a greater than Poisson distribution of beads and/or nucleic acid templates into an emulsion. A PCR method may comprise generating a partition (e.g., a droplet) comprising at least two beads and/or at least two nucleic acid molecules and generating clonal amplification products corresponding to the nucleic acid molecule, at least a subset of which may be attached to a bead.
Patent CA-3129671-A1 (CA)
Inventor: VALLO KIMMO
IPC: C22B9/22
Filed: 2020-02-28
Abstract: La présente invention concerne un procédé de fusion de flux secondaires contenant des métaux et des oxydes métalliques, tels que des scories et des déchets générés dans des travaux d'acier inoxydable et de ferrochrome. Le procédé de traitement de l'invention est un procédé de fusion pour tous les flux secondaires et les résidus des domaines de l'industrie mentionnés. Les flux sont traités principalement en phase liquide pour économiser de l'énergie.