baber/WOPTO huggingface dataset:
Patent DE-19954474-C1 (DE)
Title: Dämmmaterial aus biogenen Rohstoffen als Schütt-, Matten- und Plattendämmung für den Innenausbau von Gebäuden
Inventor: ANDERS BERND
IPC: E04C2/16
Filed: 1999-11-12
Granted: 2001-05-10
Abstract: Aufgabe der Erfindung ist es, einen biogenen Rohstoff als Material für Wärmedämmung und Schallisolierung anzuwenden, der in Form von Schütt-, Matten- oder Plattendämmung einsetzbar ist, wobei die Eigenschaften dieses Materials eine zusätzliche Behandlung mit Fungiziden, Pestiziden und feuerhemmenden Substanzen unnötig machen. DOLLAR A Die Aufgabe wird erfindungsgemß durch die Verwendung von getrocknetem, von Fremdstoffen gereinigten und entstaubtem Seegras gelöst. Zur Verwendung von aufbereitetem Seegras für eine Schüttdämmung wird das Seegras als Seegrashäcksel in einer Länge von vorzugsweise 5 bis 30 mm aufbereitet, während das Seegras zur Verwendung für eine Matten- oder Plattendämmung in einer Länge von vorzugsweise > 100 mm aufbereitet ist.
Patent MD-4636-C1 (MD)
Title: [4-(2,4-Dimethylphenyl)-2-(2-hydroxy-3-methoxybenzylidene)hydrazinecarbothioamide-S][4-(2,4-dimethylphenyl)-2-(oxo-3-methoxybenzylidene)hydrazinecarbothioamido(2-)-O,N,S]-nickel(II) monoethanol solvate as an antioxidant
Inventor: GULEA AURELIAN
IPC: C07F15/04
Filed: 2017-10-12
Abstract: The invention relates to chemistry and medicine, namely to a biologically active coordinative nickel compound from the class of transition metal thiosemicarbazonates. The compound exhibits high antioxidant activity and can find application in medicine as a substance that inhibits the oxidation processes of organic molecules in the human body.Summary of the invention consists in producing a synthetic antioxidant based on [4-(2,4-dimethylphenyl)-2-(2-hydroxy-3-methoxybenzylidene)hydrazinecarbothioamide-S][4-(2,4-dimethylphenyl)-2-(oxo-3-methoxybenzylidene)hydrazinecarbothioamido(2-)-O,N,S]-nickel(II) monoethanol solvate of the formula:The claimed compound expands the arsenal of synthetic antioxidants with high biological activity.
Patent RU-2051660-C1 (RU)
Inventor: OSTRIKOV MIKHAIL F
IPC: A61H11/00
Filed: 1992-11-06
Granted: 1996-01-10
Abstract: FIELD: medicine. SUBSTANCE: brush for massage has handle 1, base 2, massage members 3 and flexible pad 4. Base inside accommodates permanent magnets 5 of closed circular shape with longitudinal magnetization. Permanent magnets have capsules 6 with medicinal herbs. Magnets are arranged in row so that their axes coincide with directions of massage members. EFFECT: higher efficiency of massage due to action of permanent magnet field and medicinal herbs on head hairy part of patient. 1 dwg
Patent RU-2028376-C1 (RU)
Title: Method for continuous separation of phosphotide emulsion from hydrated oil
Inventor: GERASIMENKO EVGENIJ O
IPC: C11B3/00
Filed: 1992-12-08
Granted: 1995-02-09
Abstract: FIELD: oil production industry. SUBSTANCE: method for continuous separation of phosphotide emulsion from hydrated oil includes separation of emulsion and oil by settling in the process of motion of separated product in thin layer and continuous withdrawal of formed precipitate of phosphotide emulsion from separation zone. In so doing, angle between direction of motion of precipitate of phosphotide emulsion and hydrated oil makes up 80-90 deg. , and thickness of separated layer is 20-40 mm at flow velocity of 1-30 mm/s. EFFECT: higher efficiency. 3 tbl
Patent RU-2065265-C1 (RU)
Title: Pine tree identification method
Inventor: BELIKOVA ALLA FEDOROVNA
IPC: A01H1/00
Filed: 1992-12-23
Granted: 1996-08-20
Abstract: FIELD: forestry, in particular, tree selection. SUBSTANCE: method involves analyzing texture of seed shell of trees under control; considering trees having like seed shell texture genetically identical. EFFECT: increased efficiency and improved precision of tree identification. 1 dwg
Patent RU-2036598-C1 (RU)
Title: Grain brush bar
Inventor: KHOSHEV YURIJ IVANOVICH
IPC: A46B3/00
Filed: 1992-12-23
Granted: 1995-06-09
Abstract: FIELD: grain-cleaning machines. SUBSTANCE: grain brush bar consists of holder with inner flanges 2 on side surfaces 3. Flange edges are curved throughout their length in the form of wedge-shaped projections and recesses 7 and 8. The projections and recesses of opposite flange edges are offset from one another by one pitch. Holder 1 accommodates brush member 4 whose lower part is fused on the ends or is provided with a layer 6 of glue. Brush member 4 is reliably fixed in holder 1 because projections 7 penetrate into brush member 4 between fibers at its base. EFFECT: improved design. 2 cl, 3 dwg
Patent RU-2036520-C1 (RU)
Title: Coaxial microwave transmission line
Inventor: SHAGIN IGOR S
IPC: H01B11/18
Filed: 1992-12-30
Granted: 1995-05-27
Abstract: FIELD: microwave radio engineering. SUBSTANCE: device has dielectric tube which outer and inner diameters varies in time so that they match diameters of outer and inner microwave conductors. Width of tube walls also varies so that ratio of outer and inner diameters of tube remains constant value in every cross section of transmission line. This ratio is determined by wave resistance of tube, characteristics of conductors, dielectric permeability of material of tube. EFFECT: decreased losses, increased reliability of conductor attachment, increased uniformity, decreased integral transmission wave resistance. 1 dwg
Patent RU-2035145-C1 (RU)
Title: Trichodermine productiuon method
Inventor: TRETYAKOV ANATOLIJ P
IPC: A01N63/38
Filed: 1993-01-22
Granted: 1995-05-20
Abstract: FIELD: agricultural microbiology. SUBSTANCE: method involves preparation of sterile nutritive medium containing (mass %) glycerol - 0.3-2.0, green molasses - 0.5-3.0, hydrolyzate of protein-vitamin concentrate - 3-10, phosphates - 0.2-0.6, magnesium sulfate - 0.3-0.5, ammonium nitrate - o.3-0.6, and water - the rest. Fungal race Trichoderma lignorum is inoculated for aerated cultivation till maximum accumulation of mycellium or sporulation. In the process of cultivation it is expedient to add 0.3-1.0 % of glycerol as pH of the culture fluid drops naturally to 3.0-4.5. The resulting culture fluid is condenced until the content of dry matter is 6-10%. For production of liquid preparation the concentrate is supplemented with glycerol (4-10%) and polyvinyl pyrollidone (1-3%) or polyethylene oxide (0.1-1.0%). For production of dry substance, the culture liquid concentrate (dm 20-30%) is mixed with mixture of ceolyte of type NaX and montmorillonite or polygorskite (1: 2). The rate of supplementation is 10-30% (dm). The mixture is deied and granulated. EFFECT: higher product quality. 4 cl
Patent RU-2129545-C1 (RU)
Inventor: KLAUS VAJDMANN
IPC: C07D213/83
Filed: 1993-03-23
Granted: 1999-04-27
Abstract: FIELD: organic chemistry, pharmacy. SUBSTANCE: invention relates to sulfamido- and sulfamido-carbonylpyridine- -2-carboxylic acid amides of the formula (I)   where A is R 3  and B is -X-NR 6 R 7 ; or B is R 3  and A is -X-NR 6 R 7 ; X - a simple bond or -CO-; R 1 ,R 2 ,R 3  are similar or distinct and mean hydrogen atom, unsubstituted C 1 -C 4 -alkyl, (C 1 -C 6 )-alkoxy-group, fluorine, bromine atoms; R 4 ,R 5  - H independently each of other, C 1 -C 8 -alkyl, C 6 -C 10 -aryl, C 7 -C 11 -ar-C 1 -C 6 -alkyl, C 1 -C 8 -alkyloxy-group possibly once substituted with hydroxy-, carboxy-, C 1 -C 6 -alkyloxycarbonyl, C 1 -C 6 -alkoxy-group; R 6  - H, C 1 -C 6 -alkyl, monovalent physiologically acceptable cation - Na + ,K + ; R 7  - residue of the formula (II) (for exception SO 2 H), Y-[C-V] r -D-W where Y is SO 2 ; C - a bond, C 1 -C 8 -aliphatic alkanediyl; V - bond, -O-; D - bond; W is H, thienyl, C 6 -C 10 -aryl being V means -O- if C does not mean a bond and W is substituted preferably with, for example, a group -O-(CH 2 ) x C f H (2f+1-q) F q ; f = 1-8; q = 0.1-(2f + 1); z = 1, 2; X = 0-8. Synthesized compounds are used in a pharmaceutical composition showing an antifibrous activity. Compound where X - a simple bond is synthesized from aminopyridine-2-carboxylate and derivative of sulfonic acid followed by interaction of obtained compound with amine. Compound (I) where X means -CO- is synthesized from pyridine-2-carboxylic acid carboxylate ester. EFFECT: improved method of synthesis, antifibrous activity of compounds synthesized. 7 cl, 1 tbl, 2 dwg
Patent RU-2079498-C1 (RU)
Title: Penem compounds, their pharmaceutically acceptable salts, method of their synthesis and pharmaceutical composition
Inventor: VISENTIN GIUSEPPINA
IPC: A61P31/04
Filed: 1992-06-22
Granted: 1997-05-20
Abstract: FIELD: organic chemistry and technology, antibiotics. SUBSTANCE: product: compound of the general formula (I)   where R means the group a) -A-COOH where A means -(CH=CH)-, -OCH2- or -SCH2-, the group b) -(CH2)nSO2NHCN or heteroaryl and its pharmaceutically acceptable salts. Compounds were synthesized by interaction of compound (II)   where R - as indicated above with compound of the general formula (III)   where R' and R" - protective groups and Z - desplitting group. Compounds of the formula (I) show antibacterial activity and were used as active component of the pharmaceutical composition. EFFECT: improved method of synthesis. 5 cl, 2 tbl
Patent RU-2049593-C1 (RU)
Title: Method of riveting
Inventor: KOZIJ SERGEJ I
IPC: B21J15/02
Filed: 1993-02-02
Granted: 1995-12-10
Abstract: FIELD: mechanical engineering. SUBSTANCE: method involves making a stepped hole in a package of parts to be connected, putting a larger-diameter step in the metal part. Then a set head bar is placed into the hole at the side of the part made of fibrous composite material. Then method involves simultaneous fixing of the bar in the metal part and compressing the part made of the fibrous composite material. Said part is compressed by a bushing whose length exceeds the thickness of the metal part. The bushing is installed with an interference with relation to the bar and to the hole in the metal part. The bushing is pushed in until its end comes level with the outer surface of the metal part. Compression can be carried out on the portions of the part which lie in the directions of minimum strength of the part made of fibrous composite material. EFFECT: higher efficiency. 2 cl, 5 dwg
Patent RU-2040014-C1 (RU)
Title: Method for scanning parametric radiation by directivity pattern
Inventor: KABARUKHIN YURIJ I
IPC: G01S15/02
Filed: 1993-02-11
Granted: 1995-07-20
Abstract: FIELD: hydroacoustics. SUBSTANCE: layer of single-radius bubbles whose dimensions are resonance-tuned to intermediate frequency of pumping waves is introduced as nonlinear layer. Layer of single-radius bubbles is formed by electrolysis on current and sound conducting plate surface. EFFECT: improved energy efficiency and scanning stability of parametric radiation directivity pattern. 2 dwg
Patent RU-2093183-C1 (RU)
Title: Composition for organism biological stimulation
Inventor: MARKOV GENNADIJ A
IPC: A61K41/00
Filed: 1993-03-29
Granted: 1997-10-20
Abstract: FIELD: biology, mutagenesis, medicine. SUBSTANCE: composition containing foodstuffs solution, salt and sugar treated by external energy source has additionally alkaline or alkaline-earth metal chloride or carbonate or sea salt, or a mixture of these compounds at the following amounts, g/l: sodium chloride 1-400; sugar 1-3000; addition 1-320 at total content of sodium chloride and addition 401 g/l, not above. The following components can be used as addition, g/l: potassium chloride or carbonate 1-320; calcium chloride or carbonate 1-80; magnesium chloride or carbonate 1-8; sea salt 1-320; mixture of the indicated compounds 2-320. Composition can contain honey and trace elements - manganese, iron, cobalt, nickel, copper, molybdenum as chlorides or carbonates at concentration 1-4 g/l. EFFECT: enhanced effectiveness of composition. 8 cl, 4 tbl
Patent RU-2070177-C1 (RU)
Title: Method for manufacture of facing bricks
Inventor: MIKHALTSOV NIKOLAJ I
IPC: C04B33/02
Filed: 1993-03-31
Granted: 1996-12-10
Abstract: FIELD: manufacture of facing bricks. SUBSTANCE: method for manufacture of facing bricks includes combined wet milling of broken glass in the amount of 20 mas. % and 15 mas.% of electrothermophosphoric production slag with 32.5 mas.% of low-grade sandy clay and 32.5 mas.% of soft high-grade clay to obtain milling fineness - residue of screen 0.355 of not in excess of 4%, dewatering in spray drier to 4-8% moisture content; molding of blanks and calcination at 980 C. Mechanical and physical properties of bricks: compression strength 35 MPa, water absorption 7-8%; frost resistance 40 cycles. EFFECT: higher efficiency. 1 tbl
Patent RU-2097317-C1 (RU)
Title: Method for producing superhard materials
Inventor: BENDELIANI NIKOLAJ A
IPC: B01J3/06
Filed: 1993-04-13
Granted: 1997-11-27
Abstract: FIELD: production of superhard materials consisting, predominantly, of diamond or cubic boron nitride for use in mechanical engineering, instrument engineering, mining industry. SUBSTANCE: mixture of starting material and catalyst is placed into sheathing made of heat-resistant material, on top of which compensating material is placed having melting temperature equal to temperature, at which crystallization of superhard material begins. Melting of compensating material is accompanied by overall increase of volume of entire system. Mixture of starting material plus catalyst and compensating material are taken in volume ratio equal to (2-6):1. As compensating material, method employs fluorides or chlorides of alkali metals or ammonium. EFFECT: good-quality mono- or polycrystalline powders finding wide range of applications. 2 cl
Patent RU-2058853-C1 (RU)
Title: Block-sprayer for centrifugal spraying of metal molten bath
Inventor: KONDRATENKO TIMOFEJ T
IPC: B22F9/06
Filed: 1993-04-23
Granted: 1996-04-27
Abstract: FIELD: metal molten bath centrifugal spraying process. SUBSTANCE: high-temperature block-sprayer has body with horizontal canal of round of square cross-section located inside the body along its diameter. Sprayer is forced into rotation around its vertical axis. Smelt metal stream is fed into vertical canal-riser. Disk-sprayer is rotated with rate from 1) 75•2π rad/s to 2) 300•2π rad/s. Smelt stream splitting is exercised in canal made along horizontal axis of symmetry of disk-sprayer. Apparatus is distinguished with its simplicity and high productivity. EFFECT: simplified design and high productivity. 2 dwg
Patent RU-2065263-C1 (RU)
Title: Mushroom growing method
Inventor: BLAZHNOV ALEKSANDR A
IPC: A01G1/04
Filed: 1993-07-30
Granted: 1996-08-20
Abstract: FIELD: agriculture. SUBSTANCE: method involves preparing substrate, with compressed straw bales being used as substrate; seeding micelium by applying half the planting norm into substrate and another half onto substrate; putting covering material onto substrate. EFFECT: increased efficiency and improved quality of mushrooms.
Patent RU-2046836-C1 (RU)
Title: Method of localization of area of motion of cathode spots of vacuum arc on surface of evaporation of extended cathode
Inventor: SABLEV LEONID PAVLOVICH
IPC: C23C14/32
Filed: 1993-08-31
Granted: 1995-10-27
Abstract: FIELD: vacuum plasma deposition of coatings. SUBSTANCE: method comprises steps of driving a vacuum arc with the aid of an igniting system on the evaporation surface of the cathode 1; creating in an interelectrode space over an area of necessary localization of cathode spot motion zones with minimum interelectrode voltage of the arc burning; upon driving the vacuum arc forming on the evaporation surface of the cathode at least two cathode spots due to selection of necessary current value of the arc. That provides reliable localization of cathode spots upon presence of two or more cathode spots on the evaporation surface of the cathode and control of motion of the cathode spot area at operation process. EFFECT: enhanced reliability of cathode spot localization. 3 cl, 1 tbl
Patent RU-2065374-C1 (RU)
Title: Total-head water scoop
Inventor: SOLOVEV ALEKSANDR P
IPC: B63H11/103
Filed: 1993-09-03
Granted: 1996-08-20
Abstract: FIELD: shipbuilding; high-speed equipped with water-jet and hydro-jet propellers. SUBSTANCE: water scoop has intake branch pipe and flow-through pipe line fitted with swivel elbows; mounted on inner surface of pipe line are plate-type spoilers: one on fore wall and other on aft wall above first spoiler; plating after fore spoiler and before aft spoiler is perforated; water scoops of spoiler pairs located after plating are interconnected by means of water mains. EFFECT: enhanced reliability. 1 dwg
Patent RU-2048744-C1 (RU)
Title: Device for regulation of air temperature in hothouse
Inventor: GLUKHOEDOV YURIJ N
IPC: A01G9/14
Filed: 1993-09-14
Granted: 1995-11-27
Abstract: FIELD: agriculture. SUBSTANCE: device comprises a revolving frame movable vertically in a carcass, a drum of a cable-and-block system disposed on the frame rotation axis passing through the frame center of gravity, and a heat-sensitive element acting as a turning drive of the frame and secured on rotation axis. Said element is made from a material possessing a shape memory effect, said material based on titanium-nickel-copper alloy with the following relation of components, wt/% titanium, 44.99; nickel, 300.92-34.43; copper, 10.64-14.15. EFFECT: device maintains air temperature in hothouse in required limits, raises accuracy of regulation of this parameter of microclimate in hothouse and, consequently, increases productivity of grown plants. 3 cl, 3 dwg, 1 tbl
Patent RU-2126550-C1 (RU)
Title: Process and device for scanning of body
Inventor: DEHVID DZHEJMS KHAMMOND
IPC: G03B42/02
Filed: 1993-11-12
Granted: 1999-02-20
Abstract: FIELD: medicine. SUBSTANCE: body, usually human body, is scanned with beam of X-rays that is collimated by means of collimator fabricated in the form of pile of parallel plates. Then X-rays transmitted through body is converted to optical image which is amplified and converted to electron image. Later it is processed to generate video image. EFFECT: specified performance of collimator makes it possible to decrease irradiation of human body. 22 cl, 5 dwg
Patent RU-2077337-C1 (RU)
Title: Method of fimbrial adhesine preparing
Inventor: MARTYNENKO LYUDMILA D
IPC: A61K39/108
Filed: 1993-11-22
Granted: 1997-04-20
Abstract: FIELD: medicinal biotechnology. SUBSTANCE: method involves culturing microorganism-producer followed by inactivation, separation and mechanical disruption of microbial cells and isolation of fimbrias by precipitation with ammonium sulfate. Before disruption microbial cells were washed off with sodium chloride saturated solution and the isolated fimbrias were subjected for dialysis against phosphate buffer followed by ultrasonic or chemical disruption, gel-filtration and concentration by treatment with polyethylene glycol. Obtained bacterial fimbrial adhesine can be used as diagnostic and prophylaxis preparation. EFFECT: improved method of preparing. 3 tbl
Patent RU-2073301-C1 (RU)
Inventor: GUNDAREV VLADIMIR I
IPC: H02K35/02
Filed: 1993-12-28
Granted: 1997-02-10
Abstract: Использование: в машиностроении, фермерском хозяйстве для питания различных потребителей энергии. Генератор содержит корпус 1 с закрепленным на нем постоянным магнитом 3 и платформу 2 с обоймой 4 с кольцевым выступом 5, в котором укреплена индукционная катушка 6. Нога человека устанавливается на платформу 2 каблуком и закрепляется в узле крепления. Для исключения попадания грязи или влаги между подвижными частями генератора предусмотрена манжета 8. При отрыве от земли под действием пружин возврата 11 корпус 1 с постоянным магнитом 3 перемещается вниз относительно индукционной катушки 6 до тех пор, пока кольцевой выступ 5 не упрется в ограничитель хода 10, индуцируя в ней ЭДС. 4 ил.
Patent RU-2086949-C1 (RU)
Title: Gear testing samples of material in nuclear reactor for torsion
Inventor: BULKANOV MIKHAIL GEORGIEVICH
IPC: G21C17/00
Filed: 1994-01-11
Granted: 1997-08-10
Abstract: FIELD: study of strength properties of materials under action of various external factors, radiation study of materials during tests in irradiation cell of nuclear reactor. SUBSTANCE: gear is fitted with calibrated torsion meter with two fixed values of load across specified interval of deformation. Torsion meter includes bushing with slit made in one end along arc, first hub mounted for movement on end of bushing by means of pin located in slit. It also has second hub made fast to other end of bushing, axially symmetric loaded restoring plates joined to hubs with their ends. One hub is connected to pickup of torque and the other one - to force transmitting shaft. In process of going to working mode there exist three fixed values of torques; zero load and two values of reference magnitudes of torques which makes it possible to execute periodic correction of signal from instrument indicating value of torque during the whole period of testure even reliability and functional efficiency of gear, increased authenticity of results of tests. 4 dwg
Patent RU-2039085-C1 (RU)
Title: Method for production of citric acid
Inventor: MOROZOV LEONID A
IPC: C12P7/48
Filed: 1994-03-18
Granted: 1995-07-09
Abstract: FIELD: production of citric acid. SUBSTANCE: purification of solutions of citric acids is carried out by their treatment with ozone-air mixture. Said process is carried out at 40-70 C within 40-60 min, expense of mentioned above mixture being 2-4 m 3 /m 3  h, concentration of ozone being 10-16 mg/l. Said purification is carried out in column apparatus, yield of thus treated citric acid is increased by 8-14 EFFECT: improves quality of citric acid, decreases loss of desired product, simplifies the process. 3 tbl
Patent RU-2111711-C1 (RU)
Title: Method to restore an active flexure in elbow joint
Inventor: OVSJANKIN N A
IPC: A61B17/56
Filed: 1994-03-18
Granted: 1998-05-27
Abstract: FIELD: medicine, orthopedics, traumatology. SUBSTANCE: method deals with mobilization and transposition of proximal part in forearm brachioradial muscle onto sinewy-muscular part of brachial biceps muscle by keeping at the same time the rectilinearity of transferred muscle. EFFECT: higher efficiency in restoration of active flexure in elbow joint at no operational trauma.
Patent RU-2075224-C1 (RU)
Title: Устройство для извлечения благородных металлов из материалов, их содержащих
IPC: C22B11/12
Filed: 1994-03-25
Granted: 1997-03-10
Abstract: 1. Устройство для извлечения благородных металлов из материалов, их содержащих, включающее конический корпус, остановленный с возможностью вращения вокруг вертикальной оси, лопасти, размещенные в нем с возможностью вращения вокруг вертикальной оси и приспособление для разгрузки продуктов разделения, отличающееся тем, что корпус выполнен с подвижным по вертикальной оси днищем с размещенным под центральной его частью вибратором, а приспособление для разгрузки продуктов разделения выполнено в виде двух кольцевых рукавов и закреплено вокруг корпуса в нижней его части.2. Устройство по п.1, отличающееся тем, что под днищем по окружности размещены электромагниты для осевого перемещения днища.
Patent RU-2089563-C1 (RU)
Title: Product of polycondensation of polyhydric alcohol esterified with aliphatic or aromatic monobasic acid with dibasic acid or anhydride thereof and divalent metal oxide, and method of preparation thereof
Inventor: SIMANOVICH MIKHAIL B
IPC: C09D167/08
Filed: 1994-05-11
Granted: 1997-09-10
Abstract: FIELD: film- forming agent for manufacture of varnishes, paints and enamels for various purposes. SUBSTANCE: product of polycondensation of polyhydric alcohol esterified with aliphatic or aromatic monobasic acid with dibasic acid or anhydride thereof and divalent metal oxide. The product has melting point of 145-160 C and molecular weight of 1120-10000 is soluble in aromatic and aliphatic hydrocarbons, acetone, butyl acetate and butanol. Polyhydric alcohol is first esterified with aliphatic or aromatic monobasic acid at 75-85 C followed by azeotropic distillation of water at 160-180 C. The resulting product is polycondensed with dibasic acid or anhydride thereof at 160-180 C for 1 year and is then reacted with divalent oxide at 140-155 C for 4 hours, and the resulting water is distilled by azeotropic method. EFFECT: improved properties. 2 cl