baber/WOPTO huggingface dataset:
Patent RU-2130029-C1 (RU)
Title: Substituted derivatives of nucleoside, a method of their synthesis (variants), a drug, a method of treatment and prophylaxis
Inventor: AKIRA MATSUDA
IPC: C07H19/20
Filed: 1995-12-13
Granted: 1999-05-10
Abstract: FIELD: organic chemistry, nucleosides, pharmacy. SUBSTANCE: invention relates to 3'-substituted derivative of nucleoside of the following general formula (1)   where B means nucleic acid base which can contain a substituent; Z means a lower alkynyl or a lower alkenyl group that can be substituted with a group of the general formula (2)   where R a ,R b  and R c  are similar and mean a lower alkyl or phenyl group; R 1  and R 2  means separately hydrogen atom or benzoyl and R 3  means hydrogen atom, residue of mono- or polyphosphoric acid or benzoic acid at condition that a sugar component is ribose, or its pharmaceutically acceptable salt. 3'-Substituted nucleoside derivative shows high antitumor activity and is benefit therefore for treatment and prophylaxis of patients with different cancer species. Invention proposes also methods of synthesis of a compound of the general formula (1) that involves: 1) interaction of sugar derivative of the general formula (3)   where R 1′ ,R 2′  and R 3′  means separately protective groups for hydroxyl-group; Ac means acetyl-group with nucleic acid derivative B-Y where B is indicated above and Y means silyl protective group being a protective group can be removed if necessary; 2) partial hydrolysis of a compound of the formula (5)   resulting to formation of a compound of the formula (6)   and interaction of formed compound (6) with a compound of the formula Z-X where X means hydrogen or halogen atom or MgBr that results to formation of a compound (7)  . The latter is hydrolyzed and then if necessary phosphoric acid ester at one of hydroxyl-group is obtained. Invention relates to also a medicinal composition exhibiting antitumor activity and a method of treatment and prophylaxis of mammals with cancer. EFFECT: improved method of synthesis, antitumor activity of compounds. 29 cl, 60 ex
Patent RU-2133083-C1 (RU)
Title: Rack interlocking shelf device for communication/transmission system
Inventor: TAE-RJONG KIM
IPC: H05K7/14
Filed: 1996-09-18
Granted: 1999-07-10
Abstract: FIELD: installation and wiring of communication/transmission systems. SUBSTANCE: device has rear board with connector attached to its flat cable and provided with many stepwise guide holes, partition connected through locking holes and locking notch to one of rear board sides, side panel connected through locking notch and edge to other side of rear board, rear panel with rack riser connected to it for tight fixation of mentioned partition; side panel is introduced in bushing and tightly joined with the latter; device also has female strips with great number of guide holes formed in it; fastening blocks of female strips are formed on both sides of rear panel; it also has guide plates. EFFECT: simplified design, enlarged functional capabilities. 5 cl, 4 dwg
Patent RU-2118668-C1 (RU)
Title: Ammonium paratungstate production process
Inventor: VEREVKIN GEORGIJ VASIL EVICH
IPC: C22B34/36
Filed: 1996-11-21
Granted: 1998-09-10
Abstract: FIELD: industrial inorganic synthesis. SUBSTANCE: initial concentrates are cleaved by return soda-alkali solutions, which are corrected according to their admixtures without recurring to their neutralization by means of inorganic and organic reagents, after which tungsten is isolated directly from soda-alkali solution by the aid of solid or liquid anion exchangers. Productive tungsten solutions are obtained when extracting tungsten by ammonia solutions followed by treating anion exchanger by alkaline solutions. EFFECT: enhanced process efficiency and reduced amount of injurious waste. 6 cl, 8 tbl
Patent RU-2142757-C1 (RU)
Inventor: PROKHORENKO V M
IPC: A61F2/32
Filed: 1997-06-11
Granted: 1999-12-20
Abstract: FIELD: medicine, namely traumatology and orthopedics. SUBSTANCE: endoprosthesis may be used for primary or repeated substitution of thigh bone proximal section. Endoprosthesis has supporting area with hole for fastening of pelviotrochanter muscles and stabilizers made as triangular plates positioned along travel of rod from internal and external surfaces. Endoprosthesis for cementless rigid fixing in absence of greater trochanter. EFFECT: enhanced efficiency. 1 dwg
Patent RU-2117458-C1 (RU)
Title: Method of determining hemodynamics of dental paradont
Inventor: KOPEJKIN V N
IPC: A61C19/05
Filed: 1997-06-11
Granted: 1998-08-20
Abstract: FIELD: stomatology. SUBSTANCE: before electrodes are placed in mouth cavity, models of desired jaw are manufactured, e.g. from supergypsum, and also kappa is manufactured from transparent paste, the two items being manufactured individually. Kappa is then placed onto the supergypsum model and perforated where it is necessary, after which kappa is put onto dentition and electrodes are disposed in perforations and fastened to kappa. From recorded signals one can judge about functional state of parodont. EFFECT: increased reliability of examination. 3 cl
Patent RU-2144141-C1 (RU)
Title: Four-stroke combination internal combustion engine and method of use of high-pressure hot gases
Inventor: MOSKOVCHENKO A P
IPC: F02B33/22
Filed: 1997-09-30
Granted: 2000-01-10
Abstract: FIELD: mechanical engineering; internal combustion engines. SUBSTANCE: proposed internal combustion engine has two cylinder- piston groups, each including reduced diameter piston in corresponding cylinder whose reduced volume provides creating of not more than 90% value of designed compression ratio of air-fuel mixture in combustion chamber. Engine uses for its operation a new method of compression of air-fuel mixture by reduced diameter piston and compressor to designed value of compression ratio of air-fuel mixture in combustion chamber. New method of use of high-pressure hot gases is employed in engine. High-pressure hot gases act onto reduced diameter piston accommodated in reduced volume cylinder which provides fuel economy as gas pressure drop per unit of piston stroke from TDC to BDC in reduced diameter cylinder is less than that in standard engine. EFFECT: reduced fuel consumption at the same power output. 3 cl, 1 dwg
Patent RU-2132444-C1 (RU)
Inventor: SEKHNIASHVILI V A
IPC: E21B7/08
Filed: 1997-10-23
Granted: 1999-06-27
Abstract: Изобретение относится к буровой технике и может быть использовано при бурении наклонно-направленных и горизонтальных скважин. Технический результат, достигаемый изобретением: улучшение энергетических характеристик двигателя-отклонителя. Сущность изобретения: забойный двигатель-отклонитель содержит нижнюю направляющую секцию, кривой переводник и верхнюю двигательную секцию, которая состоит из отдельных энергетических секций с различными геометрическими размерами, взаимосвязанных соотношением для жестких систем:  l 1  = kD c -D т(1) /tg(α-β),  l 2  = D т(1) -D т(2) /tg(α-β),  ...l n  = D т(n-1) -D т(n) /tg(α-β),  где k - коэффициент уширения скважины;  l 1 , l 2 , l n , - соответственно длины первой, второй, n-й энергетических секций, м;  D  с  - диаметр скважины, м;  D т(1) , D т(2) , D т(n)  - соответственно диаметры первой, второй, n-й энергетических секций, м;  α - угол перекоса осей кривого переводника, град.;  β - угол наклона оси нижней направляющей секции к оси скважины, град.,  а для упругих и гибких систем - определяемых экспериментальным путем. 1 ил.
Patent RU-2122043-C1 (RU)
Title: Alloyed cast iron
Inventor: REBONEN V N
IPC: C22C37/10
Filed: 1997-11-18
Granted: 1998-11-20
Abstract: FIELD: metallurgy. SUBSTANCE: invention relates to cast iron containing carbon, silicon, manganese, chrome, nickel, vanadium, iron and additionally nitrogen and rare-earth metals at the following ratio of components, wt.-%: carbon 2.8-3.2; silicon 0.8-1.4; manganese 0.3-0.5; chrome 14.0-16.0; nickel 0.2-0.3; vanadium 0.1-0.8; nitrogen 0.1-0.3; rare-earth metals 0.01-0.2, and iron - the rest. Alloyed cast iron is used for making articles working under conditions of increased wear and cyclic loadings. EFFECT: increased strength and endurance limit. 1 cl, 1 tbl
Patent RU-2139781-C1 (RU)
Title: Installation for laser treatment
Inventor: ZABELIN A M
IPC: B23K26/08
Filed: 1997-12-19
Granted: 1999-10-20
Abstract: FIELD: laser treatment, applicable in various branches of mechanical engineering, wood-working, chemical and other branches of industry. SUBSTANCE: the installation can operate both independently and be built in flexible production systems. The installation comprises a laser, control system, optical elements positioning mechanisms, movable tables conveying system. The installation process station is made in the form of a framework, whose upper part carries the optical elements positioning mechanisms, the upper system of conveying of movable tables to the zone of treatment and to the zone of unloading of finished parts and waste, the mechanism for conveying the tables to the zone of treatment and the mechanism for conveying the movable tables to the zone of unloading. Located in the lower part of the framework are the lower system for conveying the plates with air cylinders for moving the tables from the lower conveying system to the upper one and vice versa to the loading zone, three movable plates with plates loaded on them. EFFECT: enhanced precision of geometric dimensions of cut out parts at a high efficiency of treatment. 3 cl, 4 dwg
Patent RU-2129085-C1 (RU)
Title: Hopper gear
Inventor: GORFIN O S
IPC: B65D88/66
Filed: 1998-01-06
Granted: 1999-04-20
Abstract: FIELD: heat power engineering, public services; preparation of peat for burning. SUBSTANCE: hopper gear has housing with conical base, and jacket. Housing is made rectangular in section. Jacket formed on opposite sides of housing is divided into sections. Opposite sections of jacket are interconnected by horizontally arranged pipes, multiangular in section, pointed upwards by sharp face. EFFECT: increased efficiency of preparation of peat for burning. 6 cl, 2 dwg
Patent RU-2133216-C1 (RU)
Inventor: VOLOV V N
IPC: C01B31/06
Filed: 1998-02-25
Granted: 1999-07-20
Abstract: FIELD: artificial diamonds. SUBSTANCE: 1.25-4 cu.dm of aqueous solution containing 0.1-0.8 g/cu. dm vanadium pentoxide, 0.25-3 g/cu.dm potassium hydroxide, and 1-10 g/cu.dm potassium nitrate is added to 1 kg of synthetic diamond-graphite-oxide mixture. Resulting slurry is agitated and dried at 60 to 100 C to free-running state. Material is then thermally treated in electrical oven for 3 h at 300-600-300 C, treated with alkali, for example, with 20% KOH, washed with water, and finely with acid, for example, with 20% HCl. EFFECT: improved environmental condition, essentially reduced vanadium consumption, and increased yield of diamond. 4 cl, 4 ex
Patent RU-2147755-C1 (RU)
Title: Method for forecast of earthquake location and intensity
Inventor: KOROCHENTSEV V I
IPC: G01V1/00
Filed: 1998-02-18
Granted: 2000-04-20
Abstract: FIELD: warning against catastrophic consequences of earthquakes. SUBSTANCE: the method consists in reception and processing of intelligence signals arriving from zones of underground strains. Superlong radio waves generated by the focus of earthquake are used as intelligence signals. Intelligence signals are picked up beyond the limits of atmosphere simultaneously at least in three points of the space by means of receiving radio antennas located on space vehicles. Simultaneously with lock-on of intelligence signal location of each space vehicle in the space is determined. Besides, the space vehicle orbits are positioned beyond the limits of the ionosphere. EFFECT: enhanced operativeness of forecast of earthquake. 2 cl, 5 dwg
Patent RU-2131387-C1 (RU)
Title: Method of automatic control of tethering
Inventor: NEZDJUR L A
IPC: B64G1/64
Filed: 1998-03-30
Granted: 1999-06-10
Abstract: FIELD: space engineering; docking of cooperative space vehicles, for example, transport space vehicles with orbital stations. SUBSTANCE: method includes orientation and control of motion of center of mass of active space vehicle, orientation of passive space vehicle relative to preset coordinate system, determination of error angle of active or passive space vehicle relative to sight line. Orientation of active space vehicle relative to the same preset coordinate system as passive space vehicle; control of motion of center of mass of active space vehicle perpendicularly to sight line effected by angle of position of this line which is calculated as difference between error angle of active space vehicle or passive space vehicle relative to preset coordinate system and respective error angle of these space vehicles relative to sight line. Inertial or orbital coordinate system may be used as preset coordinate system. EFFECT: improved quality, reduced cost and mass of control units of space vehicle.
Patent RU-2137853-C1 (RU)
Inventor: DUBININ N A
IPC: B01D29/00
Filed: 1998-04-15
Granted: 1999-09-20
Abstract: FIELD: metallurgy, namely apparatuses for refining melts, possibly extracting from liquid slag or melt non-reacted or newly formed solid particles, for example extracting diamond crystals from alkali melt of kimberlite concentrate. SUBSTANCE: apparatus includes two vertically mounted hollow cones with intakes and rotation drive unit. Cones are mutually joined by their bases with formation of filtering slit. Apparatus also includes inverse sleeve with tangential holes. Said sleeve is secured inside cones on base of low cone having opening near its apex. Filtering slit is in the form of calibrated openings formed by protrusion of base of upper cone. Intakes of upper cone and opening near apex of lower cone are provided with cover flaps. EFFECT: possibility of extracting from melt non-metallic solid particles uniformly dispersed in the whole volume of melt bath and having density comparable with melt density. 1 dwg
Patent RU-2137560-C1 (RU)
Title: Method for making rolled cast iron sheets
Inventor: TRAJNO A I
IPC: C21D8/04
Filed: 1998-06-16
Granted: 1999-09-20
Abstract: FIELD: rolled stock production, namely manufacture of hot rolled sheets, bands, strips of cast iron with spheroidal graphite. SUBSTANCE: method comprises steps of heating blank of cast iron with spheroidal graphite until 750 C - 1100 C, performing its multiple lengthwise rolling at reduction in each pass equal to (8-55)% and terminating rolling at temperature 720 C - 950 C. In variants after first five passes blank is turned in rolling plane by angle equal to 90 degrees and then it is rolled to final thickness. After completion of rolling procedure rolled sheet is subjected to heat treatment at heating it until temperature equal to Ar3 + (50-280)C and soaking it at such temperature for 0.4-48 hours. EFFECT: enhanced set of mechanical properties, increased corrosion resistance, less loss of yield. 3 cl, 2 tbl
Patent RU-2132051-C1 (RU)
Inventor: ELSHINA L I
IPC: G01N22/04
Filed: 1998-08-28
Granted: 1999-06-20
Abstract: FIELD: measurement technology. SUBSTANCE: device measuring water content has SHF generator, valve-flange and tuned element connected to transceiver antenna and detector section with instrument amplifier. Tuned element includes waveguide circulator, waveguide transformer and additional valve-flange. Waveguide circulator is connected via additional valve-flange to detector section and via waveguide transformer to transceiver antenna. Frequency of generator can be retuned. Transceiver antenna has aperture filled with dielectric material. Signal in detector section is set to zero before measurement of water content of object by retuning of frequency of generator and by tuning of waveguide transformer. Them moisture content of material is measured by direct contact of antenna with object. EFFECT: increased measurement accuracy in case of one-sided access to object of test, simplified process of measurement thanks to exclusion of additional tuning to standard sample. 1 dwg
Patent RU-2149169-C1 (RU)
Inventor: CHERNUKHO V N
IPC: C09D195/00
Filed: 1998-09-04
Granted: 2000-05-20
Abstract: FIELD: corrosion protection. SUBSTANCE: invention can be applied in potassium industry, in automotive industry, at nonferrous metallurgy enterprises, etc. to protect equipment and metal structures against acidic media and high- mineralized water. Protection is provided by increased adhesion, chemical and water resistance and elasticity of coating film applied on corroded wet metal with no use of sand-jetting operation on metal surface and no use of grounding. Novelty consists in that bitumen-polymer composition including petroleum bitumen, epoxy resin, and polyethylene polyamine also contains aqueous solution of lignosulfonates as converting agent for hydrated iron oxides, lead-free motor gasoline as solvent, solution of colophony in nephrace as wet metal adhesion additive, and cement as metal surface passivation agent at specified proportions of components. EFFECT: enhanced corrosion protection efficiency. 3 cl, 5 tbl
Patent RU-2150747-C1 (RU)
Title: Device for counting separate pieces that move over conveyor
Inventor: AKHOBADZE G N
IPC: G06M7/02
Filed: 1998-12-18
Granted: 2000-06-10
Abstract: FIELD: electronic equipment. SUBSTANCE: device has microwave oscillator, circulator, emitter, which is mounted in perpendicular to conveyor surface, T-joint and time delay detector. Output of microwave oscillator is connected to first arm of T-joint, which second arm is connected to input of circulator, which input-output is connected to input of emitter. Output of circulator is connected to first input of time delay detector. Third arm of T-joint is connected to second input of time delay detector, which output is designed as device output. EFFECT: increased reliability of device. 1 dwg
Patent RU-2149513-C1 (RU)
Title: Device controlling data transmission over radio channel
Inventor: KOPTEV A P
IPC: H04L7/00
Filed: 1999-01-15
Granted: 2000-05-20
Abstract: FIELD: radio engineering, transmission of discrete messages. SUBSTANCE: proposed device can be used to enhance utilization factor of handling capacity of radio communication lines and networks, specifically satellite communication lines and networks when complex of technical facilities for data transmission is employed. Device controlling data transmission over radio channel incorporates two AND gates, two flip-flops, three counters, two arithmetic logic units, four on-line storages, timer, divider, three comparators, clock pulse generator, pulse distributor, unit of reprogrammed permanent storage, threshold element, five delay elements, two adders, electron key and has controlling input and output and six data inputs. Such design of device controlling data transmission over radio channel as distinguished from prototype makes it possible to prevent conflict conditions with multiple access to radio channel, to control functioning conditions of complex of technical facilities for data transmission used in radio communication lines thanks to collection and processing of statistic data on condition of radio channel, to change average transmission rate in network and to enhance as consequence utilization factor of handling capacity of radio communication lines and networks. EFFECT: enhanced utilization factor of handling capacity of radio communication lines and networks. 1 dwg
Patent RU-2158235-C1 (RU)
Title: Device for reagentless treatment of liquid
Inventor: TITOV A A
IPC: C02F1/48
Filed: 1999-02-22
Granted: 2000-10-27
Abstract: FIELD: industrial treatment of water; food-processing, chemical and medical industries. SUBSTANCE: proposed device includes cylindrical housing with liquid inlet and outlet branch pipes fitted in side wall of housing and ultrasonic oscillation source mounted in upper portion of housing. Hole with branch pipe for removal of contaminated liquid is provided in lower portion of housing coaxially relative to axis of radiation of ultrasound. Twin plates connected with AC source arranged inside housing around axis of radiation in sectional plane. EFFECT: enhanced efficiency of treatment through wave cleaning and ozonization. 1 dwg
Patent RU-2144603-C1 (RU)
Inventor: KOSTENETSKIJ V I
IPC: E06B3/16
Filed: 1999-03-25
Granted: 2000-01-20
Abstract: Изобретение относится к области строительства и производства строительных конструкций и изделий и может найти широкое применение при изготовлении комплектов профилей для окон, дверей, а также может быть использовано при сооружении фасадных ограждений, облицовок зданий и сооружений, в том числе витрин, разделительных перегородок помещений и т.п. Технический результат - обеспечение соблюдения повышенных требований по теплоизоляции при расширении возможности варьирования размерами и формами конструкций с минимальными трудоемкостью и материальными затратами. В комплекте профилей для сборки элементов закрывания внутренних и/или наружных проемов зданий и сооружений, содержащем объединяемые термовкладышем основной и дополнительной коробчатые профили, каждый из которых образован парой оснований, объединенных продольными параллельными или имеющими параллельные участки стенками, вдоль по крайней мере одной из которых выполнены Т-, и/или Г-, и/или I-образные ребра, параллельно расположенные по длине профиля и соединенные со стенкой стойкой, одно из оснований короба основного и/или дополнительного профиля выполнено с по крайней мере одной, параллельно расположенной и/или являющейся его продолжением полкой, на конце которой образован выступ, параллельный продольным стенкам. На обращенных навстречу друг другу основаниях основного и дополнительного профилей выполнены пазы для размещения термовкладыша, уширенные у основания каждого коробчатого профиля и образованные наклоненными попарно друг к другу ребрами. В каждой паре указанных ребер высота внешнего ребра превышает высоту внутреннего ребра. Высота внешнего ребра в каждой паре, образующей паз для размещения термовкладыша, превышает высоту другого ребра этой пары по крайней мере на 0,1 минимального расстояния между ними. По поверхности внешней стенки высота внешнего ребра превышает с образованием уклона высоту внутренней плоской поверхности этого же ребра в проекции на поверхность термовкладыша не менее чем на 0,1 высоты указанного ребра. Параллельно расположенная основанию основного и/или дополнительного профиля и/или являющаяся продолжением основания короба полка выполнена с выступами, образующими имеющий уширение у основания выступов паз для размещения уплотняющего элемента. Ширина указанной полки от продольной стенки короба до расположенного преимущественно на ее конце образованного выступами паза составляет 0,5-3,0 ширины короба между его параллельными стенками. Комплект профилей может быть снабжен вторым дополнительным профилем, одна из стенок короба которого выполнена в поперечном сечении ступенчатой или дугообразной формы, а размещенная с противоположной ей стороны короба полка с выступами, образующими паз для размещения уплотняющего элемента, имеет в поперечном сечении образованный по ломаной линии или изогнутый по кривой второго порядка концевой участок таким образом, что поверхность одного из указанных выступов является продолжением внешней поверхности полки или сопряжена с ней. 7 з.п. ф-лы, 8 ил.