baber/WOPTO huggingface dataset:
Patent RU-2735838-C1 (RU)
Title: Method for pharmacological correction of experimental critical skeletal muscle ischemia with a combination of simvastatin and mononuclear fraction of autologous bone marrow
Inventor: Fejziev Elvin Ejnulla Ogly
IPC: A61K35/28
Filed: 2020-03-21
Granted: 2020-11-09
Abstract: FIELD: medicine. 
     SUBSTANCE: invention refers to medicine, particularly to experimental pharmacology and surgery, and can be used to model critical skeletal muscle ischemia. Method for pharmacological correction of experimental critical skeletal muscle ischemia with a combination of simvastatin and mononuclear fraction of autologous bone marrow, consisting in experimental modeling of critical skeletal muscle ischemia in rats and performing its correction by intragastric introduction of simvastatin in dose of 0.86 mg/kg once a day daily for 14 days and single parenteral introduction of mononuclear fraction of autologous bone marrow on 7th day after simulating critical ischemia by 50 mcl to 4 points: paravasally above the inguinal ligament at a point of retraction from a lateral artery bypassing the internal iliac artery surrounding the femur, under the inguinal ligament in the area of the peripheral artery circumscribing the iliac, in area of a branch of a muscular branch of a femoral artery r. muscularis, attachment point for the pectineal muscle and long adducting hip muscle to the upper third of the gastrocnemius muscle. 
     EFFECT: method described above enables correcting ischemia of skeletal muscle with simvastatin and mononuclear fraction of autologous bone marrow in conditions of combined therapy. 
     1 cl, 1 tbl, 1 ex
Patent RU-2739574-C1 (RU)
Inventor: Povoroznyuk Sergej Nikolaevich
IPC: H01M10/0525
Filed: 2020-05-13
Granted: 2020-12-28
Abstract: FIELD: chemistry; electrical engineering. 
     SUBSTANCE: invention relates to chemistry, electrical engineering and nanotechnology and can be used for development of active materials of anodes of lithium-ion batteries. According to the invention, the anode contact surface forming method involves: preparation of powder mixture of composition: nanocomposite based on multi-wall carbon pipes - Sn, SnO 2 , in amount of 80÷90 wt. % of carbon black syper-P soot in amount of 10÷5 wt. % binder polyvinylidene fluoride in amount of 10÷5 wt. %, adding a solvent of N-methyl-2-pyrrolidone, after which the obtained mixture is deposited on the surface of the anode which has been previously cleaned from the oxide layer, followed by annealing at pressure of 10÷45 Pa, at temperature T = 80÷90 °C for 8÷12 hours. 
     EFFECT: technical result is reduction of degradation of discharge capacity. 
     1 cl, 2 tbl, 4 ex
Patent RU-2755571-C1 (RU)
Inventor: KAPLUNOV SERGEJ GENNADEVICH
IPC: B41N1/06
Filed: 2020-06-09
Granted: 2021-09-17
Abstract: FIELD: print design.  
     SUBSTANCE: invention relates to print design and can be used for making engravings on metal for reproduction of an artist's drawings by the letterpress method. A method for making an engraving on a metal includes reproducing an artist's drawing on the surface of a metal board having an electrode potential that is more negative than the electrode potential of copper, depositing a protective layer of copper or its alloy on the surface of the metal board, removing an artist's drawing, deepening the exposed metal by etching in a solution, not etching the protective layer, removing the protective layer, while according to the invention the protective layer is deposited on the surface of the metal board before reproducing the artist's drawing, and after the artist's drawing is completed, the protective layer is removed by etching from the surface of the metal board, free from the artist's drawing.  
     EFFECT: invention provides reduction in labor intensity and the possibility of making engravings on a galvanized steel board. 
     3 cl, 1 ex
Patent RU-2743698-C1 (RU)
Title: Processing method of crude oil processing residues
Inventor: KARPOV NIKOLAJ VLADIMIROVICH
IPC: C10G69/02
Filed: 2020-06-23
Granted: 2021-02-24
Abstract: FIELD: oil and gas industry. 
     SUBSTANCE: invention relates to oil refining. Invention relates to a method for processing non-converted oil processing residues, which includes delayed coking to obtain coking distillates - light coking gas oil and coking naphtha, mixing them with distillates of other processes, combined hydrotreating and subsequent rectification to obtain a gasoline fraction, diesel fuel fractions, wherein in the process of rectification of hydrofining products, a fraction of gasoline with temperature from the beginning of boiling to 160°C, diesel fraction is a winter diesel fraction with a boiling point of 140°C to 300°C and summer diesel fraction with a boiling point of 240°C to 370°C, and as distillates of other processes, catalytic cracking light gasoil is used at their following ratio during hydrofining, wt%: easy coking gasoil of 50-80; Coking naphtha 5-20; easy catalytic cracking gasoil 10-30. 
     EFFECT: technical result is increased depth of processing of non-converted residues without use of expensive straight-run distillate to obtain winter diesel fraction with boiling point from 140°C to 300°C and a summer diesel fraction with a boiling point of 240°C to 370°C with low sulfur content, high cetane number and low filterability limit temperature. 
     1 cl, 2 tbl
Patent RU-2736028-C1 (RU)
Inventor: Chaev Andrei Anatolevich
IPC: E21B43/14
Filed: 2020-07-23
Granted: 2020-11-11
Abstract: FIELD: oil and gas industry. 
     SUBSTANCE: invention relates to oil industry and can be used for simultaneous separate operation of multiple-wells with separate account of extracted fluid. Assembly includes (from top to bottom) an aerodyne valve, a ball check valve, electric centrifugal pump sections, a submersible tight drive, receiving device for fluid supply from formations, hydraulic protection, measuring system, device for packer protection against spillage, packer, shank from tubing string, suspended filter. Submersible motor is one-sided with thermomanometric system. Measuring system includes interconnected by means of geophysical cable measuring modules and filtering elements. Measuring system channels are furnished with check valves arranged as "ball-seat". Geophysical cable has gland seal. 
     EFFECT: assurance of structural reliability of submersible equipment, which is included into composition of operation at operation of multi-wells with arrangement of layout between beds and reduction of power consumption. 
     4 cl, 1 dwg
Patent RU-2765454-C1 (RU)
Title: Seal assembly
Inventor: Pishchaev Sergej Aleksandrovich
IPC: E21B33/043
Filed: 2020-09-09
Granted: 2022-01-31
Abstract: FIELD: drilling soil or rocks; mining. 
     SUBSTANCE: invention relates to operation of offshore and surface wells and can be used for sealing annular space between casing strings or for sealing annular gaps between a conductor and a pipe string hanger installed in it. Seal assembly comprises a body, a guide for interaction with the tool during lifting and lowering of the seal assembly, a stop, external and internal seals. Seal housing has the first section for location of the stop, the second section contacting with the external and internal seals, the third section serving for connection of the seal housing to the housing. Seal housing is made solid, installed in the housing by means of bushings connected by a shear pin and fixed with a shear screw. Stop has a U-shaped cross-section with a support platform for interaction with a protrusion on the pipe string. 
     EFFECT: technical result is increased reliability of sealing of annular space between housing of casing string suspension and housing of conductor string head and reliability of sealing assembly at application of dynamic load. 
     1 cl, 3 dwg
Patent RU-2751256-C1 (RU)
Inventor: KHudolij Natalya Borisovna
IPC: B62B5/04
Filed: 2020-11-27
Granted: 2021-07-12
Abstract: FIELD: mechanical engineering.  
     SUBSTANCE: invention relates to the field of mechanical engineering, in particular to cargo-carrying trolleys. The load-carrying trolley contains a support frame with running wheels and a horizontal load-carrying platform and a braking device. The load-carrying platform has the ability to move vertically. The braking device has the ability to move the brake element vertically and brake by interacting with the support surface. The load-bearing platform is made in the form of a technological stand, including steps on the side of the wheel axis, a horizontal platform with a three-sided limiting enclosure in the upper part, and a bottom with the possibility of interaction of the latter with the support surface in the lower part. The technological stand is supported on the frame by means of spring elements. Along the perimeter in the vertical plane, a guide enclosure is made with the possibility of interaction with the lower outer surface of the technological stand.  
     EFFECT: improved service safety is achieved.  
     1 cl, 4 dwg
Patent RU-2752167-C1 (RU)
Title: Method for obtaining nanoparticles fe-fe3o4 with core-shell structure and nanoparticle obtained thereby
Inventor: Pervikov Aleksandr Vasilevich
IPC: B82Y40/00
Filed: 2020-12-07
Granted: 2021-07-23
Abstract: FIELD: chemistry. 
     SUBSTANCE: invention relates to a method for obtaining Fe-Fe 3 O 4  nanoparticles potentially applicable as contrast agents in biomedical research. The method includes an electric explosion of an iron (Fe) wire, based on spraying the wire in a gaseous medium - a gas mixture of an inert gas and oxygen containing 1% vol. oxygen. 
     EFFECT: obtained are nanoparticles with an iron core-oxide shell structure with a high specific magnetic moment. 
     4 cl, 8 dwg, 1 tbl, 5 ex
Patent RU-2752331-C1 (RU)
Title: Cryogenic piston pump
Inventor: DUKHANIN YURIJ IVANOVICH
IPC: F04B37/00
Filed: 2021-01-13
Granted: 2021-07-26
Abstract: FIELD: cryogenic engineering. 
     SUBSTANCE: invention relates to the field of cryogenic engineering and can be used as part of gasification plants. In the cylinder of the cryogenic piston pump, at a height equal to the stroke of the plunger from the BDC, a cylindrical groove with a width of 0.2 to 0.4 from the stroke of the plunger is made. The cylinder is equipped with a switch for the leakage of the working medium through the piston seal, made in the form of a housing, in which the upper, middle and lower chambers are located. The upper chamber is connected to the discharge cavity, and a seat and a spring-loaded stem are installed in it. The middle chamber is connected to the cylindrical groove, and the lower chamber is connected to the suction cavity and to the channel, which is made in the bottom of the cylinder on the side of the intake valve. A saddle, a valve and a piston are installed in the lower chamber, the diameter of which is 1.5-2.0 times the diameter of the stem. 
     EFFECT: invention allows increasing efficiency of the pump operating cycle when changing its operating mode. 
     1 cl, 1 dwg
Patent RU-2763813-C1 (RU)
Title: Loudspeaker and mobile terminal
Inventor: QIN RENXUAN
IPC: H04R9/06
Filed: 2018-06-29
Granted: 2022-01-11
Abstract: FIELD: acoustics. 
     SUBSTANCE: group of inventions relates to loudspeakers and a mobile terminal. The loudspeaker includes a body and a main component located in the body, wherein a front cavity and a back cavity are provided in the body, the front cavity communicates with the external space and the back cavity constitutes an isolated cavity. In order to reduce the area of space occupied by the entire loudspeaker, the front cavity and the back cavity are located on top of each other when placed. The front cavity and the back cavity are at least partially located above each other in the direction of thickness of the main component. The back cavity is located in the space of the entire loudspeaker in the direction of thickness of the main component, provided that the size of the back cavity complies with the requirement. 
     EFFECT: reduction in the area occupied by the entire loudspeaker in the mobile terminal. 
     23 cl, 13 dwg
Patent RU-2765223-C1 (RU)
Inventor: KLYAJER TIM
IPC: C21C5/46
Filed: 2019-08-01
Granted: 2022-01-26
Abstract: FIELD: metallurgy.SUBSTANCE: invention relates to metallurgy, in particular, to a supporting structure for an argon-oxygen converter. The converter in the supporting structure by means of supporting trunnions is installed in the transmission, configured to rotate or tilt, respectively, and is connected thereto, configured to rotate jointly. The transmission by means of a torque lever is constantly supported on the foundation to reduce the costs for the corresponding supporting apparatus and simultaneously provide a possibility of better control of the torque applied by the converter to the transmission. The time-varying actual torque MIst(t) applied by the converter to the transmission is therein adjusted to the preset required torque MSoll.EFFECT: invention provides a possibility of preventing the swinging of the converter at a resonant frequency, wherein said swinging causes severe damage to parts of the supporting structure, in particular, the transmission and the torque lever.16 cl, 4 dwg
Patent RU-2766053-C1 (RU)
Title: Thermal imager based on a hybrid photodetector with an optical output (thermal imaging dynamic signal spectrum converter)
Inventor: KOZLOV ALEKSANDR IVANOVICH
IPC: H01L27/146
Filed: 2021-04-08
Granted: 2022-02-07
Abstract: FIELD: electronics. 
     SUBSTANCE: invention relates to optoelectronics, nano- and microelectronics, and can be used to create a thermal imager with an optical output based on a hybrid or monolithic infrared (IR) or terahertz (THz) photodetector (PD), including a multispectral one. Transformation or change of the spectrum in imaging of a sequence of images invisible to the eye is a relevant scientific problem. In order to reduce the weight and size characteristics, ensure the limit of microminiaturisation and compactness of the design, significant expansion of the range of application, the thermal imager with an optical output is made on the basis of a frameless hybrid or monolithic PD in the form of a hybrid microassembly of a crystal with an array (matrix) n×m of photodetectors (PD) and a multiplexer crystal, with an additional (third) crystal of light emitters of the same format, or in the form of a multiplexer with PD arrays integrated thereon and an additional (second) crystal of light emitters of the same dimension. 
     EFFECT: invention can be used, e.g., for creating thermal imagers with an optical output based on hybrid or monolithic PD of images of IR spectral ranges, or based on uncooled matrix microbolometric receivers of IR and THz range emission; application of the invention can provide an increase in the manufacturability of the thermal imager, structural simplification of the thermal imager, simplification of the manufacturing technology, reduction in the manufacturing complexity, reduction in the weight and size characteristics, increase in the percentage of yield of useful products, reduction in the prime cost, and significant expansion of the area of application of thermal imagers with an optical output based on a hybrid or monolithic PD. 
     4 cl, 9 dwg
Patent RU-2768656-C1 (RU)
Inventor: MARKOV ILYA ALEKSANDROVICH
IPC: A61K47/10
Filed: 2021-09-10
Granted: 2022-03-24
Abstract: FIELD: interferon-containing compositions production. 
     SUBSTANCE: inventions group relates to a technology for preparing interferon-containing compositions capable of maintaining their biological activity, which can be used as drugs for intranasal use, for example, in the form of drops or spray. The proposed method for preparing an antiviral agent in liquid form is characterized in that the following composition is used for preparation, mg in one ml: genetically engineered interferon, ME 1000-500000, povidone 5-100, macrogol 10-600, disodium edetate dihydrate 0.1- 0.8, sodium hydrophosphate dodecahydrate 5-20, potassium dihydrophosphate 1-10, sodium chloride 1-10, water - the rest, at the same time, the preparation is carried out in two stages, at the first of which sodium hydrogen phosphate dodecahydrate, potassium dihydrogen phosphate, sodium chloride, disodium edetate dihydrate, povidone and macrogol are successively dissolved in water at room temperature, and the kinematic viscosity of the solution is maintained in the range of 2.5-4, 5 mm 2 /s, adjusting the amount and ratio of povidone and macrogol, after which the solution is filtered and sterilized, and at the second stage, the genetically engineered interferon is heated to a temperature of 19-21°C, then, under aseptic conditions, it is gradually introduced into the solution of the first stage with a laminar flow and mixed. An antiviral agent is also provided in liquid form, obtained by the above method. 
     EFFECT: increasing the shelf life without reducing the activity of interferon, which is achieved by the technology of preparing an antiviral agent. 
     2 cl, 9 ex
Patent RU-2769926-C1 (RU)
Title: Capsule for maintaining the health of personal respiratory protection equipment
Inventor: KUDRIN NIKOLAJ ALEKSANDROVICH
IPC: A62B31/00
Filed: 2021-09-28
Granted: 2022-04-08
Abstract: FIELD: nuclear industry. 
     SUBSTANCE: invention relates to the field of nuclear industry, namely to life support systems that protect against alpha and beta radiation. The capsule for maintaining the performance of personal respiratory protection equipment contains a pneumatic frame with a valve for connecting a compressed air source, covered with an awning, in which a passage is equipped, two overpressure valves are mounted, a half-liner is laid on the bottom. The passageway is made in the form of an inverted T-shaped section, the vertical part of which is closed with a zipper, and the horizontal part is closed with a magnetic fastener made of tape, fixed along the entire length of the lower edge. The floor-liner is made with a threshold and a track, the awning is made of rubberized material, overpressure valves are mounted in the lower part of the rear wall, and on the outer side of the side wall there is a pocket with a rigid frame inside and closed with a valve from above, which can be accessed from outside and inside the capsule. Overpressure valves with nozzles directed towards the center of the capsule are mounted in the elements of the roof frame, and multi-layer mats with adhesive acrylic coating are fixed on the walls and on the floor. 
     EFFECT: improvement of life support systems that protect against alpha and beta radiation. 
     1 cl, 1 dwg
Patent DE-1810595-C2 (DE)
Title: Railway vehicle short coupler split sleeve - has hand lever linked with nut on threaded bolt swivelling into slots of sleeve halves
IPC: B61G5/02
Filed: 1968-11-23
Granted: 1983-11-10
Abstract: In the railway vehicle short coupler the split sleeve halves are linked on one side by an axis-parallel hinge (13) to the coupler length. A locking device on the opposite side has a threaded bolt (14) swivelling on one sleeve half (12) into slots in both halves. A nut (16) on the bolt exerts closure force on the other half (11). A manual lever (18), connected with the nut, is brought into engagement to permit rotary moment transfer to the nut. A device secures the nut in its position appropriate to the couplet state, thus preventing unintentional release.
Patent DE-2828602-C2 (DE)
IPC: H04L5/22
Filed: 1978-06-29
Granted: 1983-02-24
Abstract: 1. Data transmission system comprising data-emitting and data-receiving data channels, wherein the data bits together with control bits are synchronously transmitted in envelopes, characterized in that each envelope posseses data bits of at least two data-emitting data channels, and that the control bits are utilized as sole synchronizing information for a bit synchronization and bit group synchronization.
Patent DE-2951682-C2 (DE)
IPC: C10B25/16
Filed: 1979-12-21
Granted: 1982-03-04
Abstract: A horizontal-chamber coke oven having doorways at opposite ends, each of which extend substantially the full height of the chamber. The doorways are formed with door frames or jambs sealingly engaged by respective doors having door plugs which project into the chamber beyond the door frames or jambs. According to the invention, the side of the closure turned toward the oven chamber is provided with a flexible and yieldable seal which surrounds a hot frame or heat-retentive body such that the temperature in the region of the closure door during filling of the chamber and coking is held above the condensate-forming temperature.
Patent DE-3107069-C2 (DE)
Title: Mehrkanalige magnetische Wandleranordnung
IPC: G11B5/29
Filed: 1981-02-25
Granted: 1985-09-05
Abstract: Mehrkanalige magnetische Wandleranordnung mit einer Vielzahl von beabstandeten Wandlerkanälen (33, 34), von denen jeder ein Paar von einen Wandlerspalt (beispielsweise 35, 36) zwischen sich definierenden magnetischen Polen (37-40), einen an die Pole angrenzenden magnetischen Rückenkern (94) und eine zugehörige Wandlerwicklung (96) besitzt. Zur Bildung eines asymmetrischen magnetischen Kreises zwecks Nebensprech-Unterdrückung ist eine Vielzahl von an einer Wandlervorderfläche fest angebrachten Elementen (31, 32) aus magnetischem Material vorgesehen, die zur Bildung eines magnetischen Weges geringen magnetischen Widerstandes jeweils einem magnetischen Pol (37, 40) jedes Polpaares (37-40) eng benachbart zugeordnet sind, die sich jeweils in Richtung einer Aufzeichnungsspurbreite über den zugehörigen Pol (37, 40) erstrecken und zur Vermeidung einer magnetischen Kopplung sowohl vom Wandlerspalt (beispielsweise 35, 36) als auch von einem magnetischen Aufzeichnungsmedium im Abstand angeordnet sind und die zur Bildung einer asymmetrischen magnetischen Mehrkanal-Wandlerstruktur abwechselnd Polen (37, 40) zugeordnet sind, die aufeinanderfolgend auf entgegengesetzten Seiten in bezug auf benachbarte Kanäle (33, 34) angeordnet sind.
Patent DE-3113166-C2 (DE)
Title: Vorrichtung zum elektro-optischen Ablesen eines Schriftstückes oder dergl.
IPC: H04N1/191
Filed: 1981-04-01
Granted: 1984-05-30
Abstract: Die Vorrichtung zur optischen Analyse eines Dokuments enthält eine einzelne Beleuchtungsvorrichtung (9), eine einzelne optische Vorrichtung, die die Lichtstrahlen zu einem optoelektronischen Empfangskreis fokussiert, bestehend aus einem ersten Teil (14), der die von einem Teil der Zone (7) des analysierten Dokuments stammenden Lichtsignale (15) empfängt, und aus einem zweiten Teil (16), der die vom benachbarten Teil des unterteilten Lineals (8) stammenden Lichtsignale (17) empfängt.
Patent DE-3114541-C2 (DE)
Title: Fußbodenheizung, bestehend aus Montageplatten mit einem Lochbild
IPC: F24D3/14
Filed: 1981-04-10
Granted: 1984-03-15
Abstract: Die Erfindung betrifft eine Fußbodenheizung mit einem Unterbau, bestehend aus mehreren Montageplatten mit einer Isolierschicht und einer darüber angeordneten Befestigungsplatte mit einem Lochbild, an dem Heizrohre mit Rohrschellen befestigt sind, die mit angeformten Haltedübeln in Befestigungslöcher des Lochbildes eingreifen und die Befestigungsplatte untergreifen. Damit die Fußbodenheizung mit geringer Vorlauftemperatur gefahren werden kann und zur Beseitigung der Trägheit wird vorgeschlagen, in der Ebene der Heizrohre (5) auf den Montageplatten einen flachen Kanal (10) anzuordnen, der von den Heizrohren durchsetzt wird, mit der Abdeckplatte (12) abgedeckt ist und einen freien Strömungsquerschnitt für einen Luftstrom besitzt.