baber/WOPTO huggingface dataset:
Patent DE-4431290-C1 (DE)
Title: Safe nuclear reactor with continuous loading and unloading
Inventor: BARNERT HEIKO PROF
IPC: G21C1/07
Filed: 1994-09-02
Granted: 1996-01-04
Abstract: A nuclear reactor has a core (1) containing loosely loaded (2) polyhedral (for example cubic) shaped fuel elements (3) which can be continually loaded and unloaded. The fuel elements consist of thousands of very small, coated spherical shaped fuel particles contained within a ceramic housing. Components are provided (7, 8) for loading and unloading under gravity of the fuel elements. Pipelines (11, 12) are provided for the supply of the coolant and moderating medium (10), which can be light or heavy water or a mixture. The core shape is either cylindrical or annular with a central column. The fuel particle coating is a double layer of silicon or zircon carbide with an intermediate layer.
Patent DE-4434392-C1 (DE)
Title: Filling level detection system for vacuum cleaner dust bag
Inventor: DORSCH DIETER DIPL ING
IPC: A47L9/28
Filed: 1994-09-27
Granted: 1996-02-08
Abstract: The filling level detection system uses at least one stored reference characteristic for the measured current of the vacuum cleaner suction motor (3) compared with the actual motor current characteristic, to provide a signal representing the filling level of the dust bag (2). Pref. the motor current characteristic is measured continuously during vacuuming, with evaluation of the measured current characteristic via a fuzzy logic regulation circuit. The signal representing the filling level of the dust bag may be used for regulating the suction motor revs.
Patent DE-4441579-C1 (DE)
Title: Laser system for use in cornea forming
Inventor: STEINER RUDOLF PROF DR
IPC: B23K26/06
Filed: 1994-11-22
Granted: 1996-05-15
Abstract: The laser system (1) has an emission with wavelength suitable in forming the Cornea of a human eye. For ths an ER;YAG laser is appropriate an has a circular mode distribution. The laser emission has a diameter of typically 4 to 6 mm and this is expanded by lenses (31,33) to a size of 25-40 mm (21). This is received by a radial forming element (4) consisting of a concage (41) and a convex (42) lense. The selected thickness and curvature of the lenses allows spherical and astimatic seeing faults to be corrected. The emission is focussed (6) by a further lense (9).
Patent NL-1018755-C1 (NL)
Title: A composition comprises amlodipine, useful for treating or preventing hypertension, angina or heart attack, with pH controlled to minimize aspartate formation
Inventor: LEMMENS JACOBUS MARIA
IPC: A61K9/20
Filed: 2001-08-15
Granted: 2001-11-02
Abstract: A composition comprises amlodipine (2-(2-aminoethoxymethyl)-4-(2-chlorophenyl)-3-ethoxycarbonyl-5-methoxycarbonyl-6-methyl-1,4-dihydropyridine) and excipient(s) has a pH of 5.5-7.0.  Independent claims are also included for:  (1) a process comprising mixing amlodipine maleate and excipient(s) to form a mixture with a pH of 5.5-7.0;  (2) tablets produced by process (1); and (3) a process comprising mixing solid particles of amlodipine maleate having an average particle size of at least 20 microm with an excipient.
Patent NL-1018758-C1 (NL)
Title: New amlodipine aspartate derivative useful as a calcium channel blocker for treating angina or hypertension
Inventor: LEMMENS JACOBUS MARIA
IPC: C07D211/90
Filed: 2001-08-15
Granted: 2001-11-02
Abstract: Amlodipine aspartate derivative (I) is new.  Amlodipine aspartate derivative of formula (I) and its salts are new. An Independent claim is also included for the preparation of (I).
Patent NL-1026779-C1 (NL)
Title: Electrical contact pin, has press fit part with arms having their largest diameter regions in offset position
Inventor: MITRA NARANJAN KUMAR
IPC: H01R12/14
Filed: 2004-08-04
Granted: 2005-09-07
Abstract: The arms (5) forming the press-fit part (3) of the pin (12) have their largest diameter regions offset relative to each other. The pin comprises a press-fit part with two arms for securing it inside a hole in a substrate and a solid pin parts connected to both ends of the press-fit part. The arms extend in the pin length direction and have an outer wall connected to two side walls via rounded edges. The arms are bent outwards to create a gap in between.
Patent RU-2062089-C1 (RU)
Title: Remedy and method for treating and preventing skin diseases
Inventor: SERDOBINTSEVA TAMARA I
IPC: A61K8/92
Filed: 1986-06-10
Granted: 1996-06-20
Abstract: FIELD: medicine. SUBSTANCE: method involves using preparation having in % by volume: castor oil 65-70, Perhydrol 7-6, 25% ammonia solution in water 7-6, glycerol 7-6, ethyl alcohol 7-6, distilled water 7-6. The preparation is produced by mixing ingredients in shaking. First, Perhydrol is added to castor oil in mixing and the mixture is shaken during 5-7 min, hold for 50-60 min. Then water solution of ammonia is added and 5- 7 min shaking takes place. The mixture is hold for 110-120 min and the rest of ingredients is added. EFFECT: enhanced effectiveness in treating keloid cicatrices and callous formations. 2 cl
Patent RU-2101134-C1 (RU)
Inventor: STEPANOV E I
IPC: B22F3/02
Filed: 1987-06-23
Granted: 1998-01-10
Abstract: FIELD: powder metallurgy, particular, devices for continuous molding of articles from powders. SUBSTANCE: molding member 4 is given torque, and hot mass is supplied to loading branch pipe 21. Hot mass entering cylinder of unit 18 is distributed to all branch pipes and then to hollow of cylinder of central unit 10. After loading of this unit, opening 16 is closed, sleeve starts extruding the mass from cylinder hollow to die 1 through central opening 9 where it is caught by flights of extruder 26 and supplied at pressure through gap 8 to chamber 27. In nozzle 2, mass is compacted, and wedge surface 5 provides for continuous extrusion of material through zone of pass. EFFECT: extended potentialities of device due to provision of process of molding of hot plasticized powders. 4 dwg
Patent RU-2017085-C1 (RU)
Inventor: IVANOV VLADIMIR M
IPC: G01J5/00
Filed: 1988-07-12
Granted: 1994-07-30
Abstract: FIELD: measurement technology. SUBSTANCE: two beams with known relation of average powers (energies) are formed from input laser radiation. One beam is directed onto standard (reference) measurement means, and three other one is directed onto tested measurement means. Basic error of tested measurement means is determined by comparing simultaneous readings of both means accounting with average powers (energies) relation. Device for realization of the method has laser irradiator, aligned in series with gate, polarization divider, which has linear polarizer and two-beam polarizing element. Moreover, linear polarizer is made for rotation about axis of laser irradiator. EFFECT: improved precision of measurement. 2 cl, 2 dwg
Patent RU-2035384-C1 (RU)
Inventor: FRANSUA AKINO
IPC: B66C23/68
Filed: 1990-02-27
Granted: 1995-05-20
Abstract: Использование: в подъемно-транспортной технике. Сущность изобретения: кран с распределительной стрелой из трех элементов имеет моторизованный трос 45 для складывания и развертывания стрелы, связывающий второй элемент стрелы с основанием стрелы посредством комплекса укосин 16 и 26. Трос 45, закрепленный в точке 46 в вершине задней укосины 16, расположенной на основании стрелы, формирует сложный блок 60 между вершиной 34 передней укосины 26, расположенной на втором элементе стрелы, и вершиной 21 задней укосины 16, проходя последовательно через шкивы 47, 49, 50, 53, 55, 56, 57 с симметричным расположением, затем через комплекс шкивов 58 и 59, закрепленных на вершине задней укосины 16 перед тем, как накрутиться на барабан лебедки 44 складывания и развертывания стрелы, расположенной на заднем конце основания стрелы. 5 з.п. ф-лы, 13 ил.
Patent RU-2028358-C1 (RU)
Title: Glueing composition
Inventor: VALENDO ALEKSANDR YAKOVLEVICH
IPC: C09J125/10
Filed: 1990-02-13
Granted: 1995-02-09
Abstract: FIELD: glueing materials. SUBSTANCE: method involves the use of copolymer of styrene and piperylene with the content of bound styrene 91-93 mole% and additional content of pine colophony, colophony esterified with glycerol prepared on 40 wt.-% diphenylguanidine, 2,2-dibenzthiazole disulfide, zinc oxide and magnesium oxide. Glueing composition has, mas. p.: polychloroprenic rubber 100; butylphenolformaldehyde resin 90-110; copolymer of styrene with piperylene 1-6; colophony esterified with glycerol prepared on 40 wt.-% 1-3; pine colophony 1-3; diphenylguanidine 0.5-1.5; 2,2-dibenzthazole disulfide 1.5-2.5; zinc oxide 4-6; magnesium oxide 10-14, and organic solvent 300-700. EFFECT: increased glueing strength of ferrite article for break-off (up to 8,3 kg/cm 2  after 72 h), shortened period of hardening. 2 tbl
Patent RU-2013664-C1 (RU)
Title: Centrifugal fan impeller
Inventor: MAKAROV VLADIMIR N
IPC: F04D29/28
Filed: 1990-01-18
Granted: 1994-05-30
Abstract: FIELD: fan manufacture. SUBSTANCE: centrifugal fan impeller has blades installed between carrying and cover disks; each blades has airfoil and leading-edge flap forming with the former space and slits; disks have through holes communicating with space which is shaped as two truncated cones joined together at smaller bases and having helical grooves on side surfaces. EFFECT: provision for operation in heavily dust-laden atmospheres. 5 dwg
Patent RU-2023244-C1 (RU)
Inventor: FAKTUROVICH DMITRIJ A
IPC: G01M3/26
Filed: 1990-05-10
Granted: 1994-11-15
Abstract: Изобретение относится к контролю герметичности полых изделий и позволяет расширить диапазон определяемых течей при сохранении достоверности измерения величины течи. Изделия соединяют с одним коленом диаметром, заполненного электропроводящей жидкостью, а источник испытательного давления - с другим коленом. Канал, соединяющий оба колена, размещают так, что часть его расположена под уровнем нижнего мениска вытесненной жидкости, возникшего после создания испытательного давления в изделии. Регистрацию перемещения жидкости в канале осуществляют по изменению электрического сопротивления между двумя проводниками, размещенными в указанной части канала на разной его высоте. 1 ил.
Patent RU-2026939-C1 (RU)
Title: Building panel
Inventor: SHAMRIKOV NIKOLAJ I
IPC: E04C2/06
Filed: 1990-07-26
Granted: 1995-01-20
Abstract: FIELD: civil engineering. SUBSTANCE: building panel has reinforcing skeleton with longitudinal prestressed reinforcement and volumetric spirals covering the reinforcement, and concrete to consolidate, with trapezoidal coil shape of volumetric spiral in panel cross- section. The spiral has equal number of coils on ends and in the middle of the panel. Reinforcing skeleton on panel end sections has E-shaped plane spirals drawn into volumetric spirals in cross direction. Moreover, longitudinal prestressed reenforcement is located in lower corners and near base of trapezoidal coils of volumetric spiral. EFFECT: multivoid panels. 2 cl, 2 dwg
Patent RU-2015616-C1 (RU)
Title: Phase shifter error determination device
Inventor: PROKOFEVA INNA YA
IPC: H03M1/10
Filed: 1990-08-20
Granted: 1994-06-30
Abstract: FIELD: digital measurement technology. SUBSTANCE: device for determining errors of phase-shifters has phase-shifter 1, drive 2, programme unit 3, adder 4, pulse generator 5, frequency divider 6, power supply source 7, null device 8, two pulse shapers 9, 10, flip-flop 11, normalizer 12, filter 13, reference voltage source 14, analogue subtracter 15 and meter 16 operatively connected to each other. EFFECT: enhanced accuracy and reliability. 2 dwg
Patent RU-2005581-C1 (RU)
Inventor: KLESHCHENOK IGOR K
IPC: B23B51/04
Filed: 1990-10-11
Granted: 1994-01-15
Abstract: FIELD: mechanical engineering, metal machining. SUBSTANCE: housing 1 is joined to shank 2 by means of adapter having hub 3, rim 4 and spikes 5. Threaded portion 7 of shank 2 extends beyond the end face of hub 3 and is intended for accommodating washer 9 and nut 10. Housing 1 is attached to the adapter by means of screws. EFFECT: easier connection of housings of annular drills larger than 120 mm in diameter. 1 dwg
Patent RU-2004703-C1 (RU)
Inventor: KOMISSAROV ANATOLIJ P
IPC: E02F3/48
Filed: 1991-01-09
Granted: 1993-12-15
Abstract: Использование: относитс  к горному машиностроению  и может быть использовано в шагающих экскаваторах . Цель изобретени  - повышение производительности шагающего экскаватора за  счет снижени  потерь грунта при транспортировании  ковша В подвеске ковша шагающего экскаватора  при транспортировании груженого ковша за  счет перекреплени  т говых каната 2 и цепи 7 достигаетс  изменение длин цепи 7 и разгрузочного  каната 8 (включающего участок цепи 7), что позвол ет  обеспечить рациональное значение диапазона  изменени  угла наклона днища ковша при его  транспортировании, при котором потери грунта будут  минимальны 11п.ф-лы, 3 ил.
Patent RU-2022286-C1 (RU)
Inventor: LEBEDEV VLADIMIR S
IPC: G01R29/08
Filed: 1991-01-30
Granted: 1994-10-30
Abstract: Использование: радиоизмерительная техника для измерения мощности теплового радиоизлучения на фоне импульсных помех. Сущность изобретения: модуляционный радиометр содержит антенну 1, коммутатор 2, преобразователь частоты 3, УПЧ 4, квадратичный детектор 5, видеоусилитель 6, ограничители 7, 10, вычитающее устройство 8, масштабирующий усилитель 9, сумматоры 11, 18, избирательный усилитель 12, синхронный детектор 13, интегратор 14, регистрирующее устройство 15, аттенюатор 16, источник постоянного напряжения 17, генератор опорного напряжения 19, эталонную нагрузку 20. 2 ил.
Patent RU-2042040-C1 (RU)
Title: Internal combustion engine
Inventor: BORODYANSKIJ LEV KH
IPC: F02B75/32
Filed: 1991-03-26
Granted: 1995-08-20
Abstract: FIELD: engine engineering. SUBSTANCE: internal combustion engine has two cylinders with rods and pistons mounted for permitting reciprocation and screws which are parallel to each other and to the cylinders and rotates in opposite directions. The rods and screws interact with a nut constructed as a frame one of the side of which is rigidly connected with rods and the other one is parallel to it and interacts with both the screws. EFFECT: enhanced efficiency. 5 dwg
Patent RU-2012765-C1 (RU)
Title: Rotation bit
Inventor: KRASNIK VYACHESLAV G
IPC: E21B10/42
Filed: 1991-03-29
Granted: 1994-05-15
Abstract: FIELD: well rotary drilling. SUBSTANCE: core receiving cavity is made in form of through transverse recess. Working surface of core splitter is made in form of bottom part of recess and turned in horizontal plane in direction opposite to bit rotation. EFFECT: higher efficiency. 2 cl, 2 dwg
Patent RU-2001283-C1 (RU)
Inventor: POGUDIN YURIJ M
IPC: E21D20/00
Filed: 1991-05-05
Granted: 1993-10-15
Abstract: Изобретение относитс  к горному делу, а  именно предназначено дл  механизации введени   анкерных т жей в шпуры с деформированными  стенками дл  анкеровани  пород в горных выработках  Целью изобетени   вл етс  надежное введение  анкерных т жей в шпур за счет предотвращени  изгиба т жей при упоре в преграды деформированных  стенок шпура. Устройство содержит  механизм бурени  1 и соединенный с ним механизм подачи, выполненный в виде корпуса 2 с крышкой 3,  соединенной с ним посредством шарнира 12 и  фиксатора 13 В накопителе барабана 6 намотан  анкерный т ж 7, пропущенный через направл ющее  отверстие 8 в крышке 3. Механизм подачи снабжен  передаточной муфтой 4, соедин ющей механизм  бурени  1 с валом 5 Вал 5 имеет шестерни 9. расположенные  на его концах Одна шестерн  9 насажена  на валу 5 свободно, а друга  закреплена на  валу 5 с помощью шпоночного соединени . Шестерни  9 расположены в кольцевой полости 10  крышки 3 с возможностью взаимодействи  с кольцевой  зубчатой рейкой 11 Така  компановка элементов  механизма подачи осуществл ет вращение  вала 5 с барабаном 6 вокруг двух осей и позвол ет  придавать анкерному т жу 7 поступательно-вращательное  движение, обуславливающее выход  конца анкерного т жа 7 из зацеплени  с преградой  15 деформированных стенок и подачу его в шпур  14 Зил
Patent RU-2015363-C1 (RU)
Inventor: VLADIMIROV PORFIRIJ S
IPC: F02B27/00
Filed: 1991-06-17
Granted: 1994-06-30
Abstract: FIELD: engine engineering. SUBSTANCE: reversible gas turbine is received in outlet path of a two-stroke internal combustion engine. The turbine acts as a turbine in phase of free discharging and as a pump or a compressor for providing suction of fresh charge of air or mixture in phase of blowing. EFFECT: enhanced efficiency. 8 cl, 3 dwg
Patent RU-2006090-C1 (RU)
Title: Коммутирующее устройство
Inventor: KAMYSHNYJ ALEKSEJ N
IPC: H01H9/32
Filed: 1991-06-28
Granted: 1994-01-15
Abstract: Использование: преимущественно для необратимого замыкания электрической цепи. Сущность изобретения: устройство содержит сдвигаемые мощным приводом навстречу друг другу токонесущие элементы, разделенные изолирующим телом, выполненным из материала, скачкообразно увеличивающего свою электропроводность за счет смыкания зон проводимости и валентности при достижении критического уровня давления на него со стороны сдвигаемых токонесущих элементов, например, из кремния, серы или кварца.
Patent RU-2026408-C1 (RU)
Title: Steel
Inventor: ASTAFEV ANATOLIJ A
IPC: C22C38/38
Filed: 1991-08-22
Granted: 1995-01-09
Abstract: FIELD: metallurgy, machine engineering. SUBSTANCE: steel has components at the following ratio, wt.-%: carbon 0.9-1.1; manganese 10.0-12.5; chrome 0.95-1.25; silicon 0.2-0.6; aluminium 0.05-0.10; calcium 0.001-0.006; rare-earth metals 0.085-0.20, and iron - the rest. Ratio between manganese and chrome is set by the following equation: 8≅ Mn/Cr ≅ 13, and ratio between carbon and manganese - by the equation: 10 x %C + %Mn = 19-23.5. Steel can contain impurities: , wt. -%: sulfur less than 0.03; phosphorus less than 0.08, and trace of molybdenum, niobium, vanadium, nitrogen and antimony also. EFFECT: enhanced impact strength and wear resistance. 2 tbl
Patent RU-2035837-C1 (RU)
Title: Device for remote control over reversible electric motor drive
Inventor: ROMASHCHENKO VLADIMIR F
IPC: H02P1/26
Filed: 1991-07-08
Granted: 1995-05-20
Abstract: FIELD: electrical engineering. SUBSTANCE: device for remote control over reversible electric motor drive has A. C. electromagnetic starter with two coils, four make and six break contacts, box with limit switches with break contacts, four diodes, two current limiting resistors, polarity discriminator composed of four diodes and capacitor, two wires of blinking light of positive and negative polarity, signalling wire, two control wires, control elements with two make contacts to send commands OPEN and CLOSE, switching over contact to send command stop, position indicator of shutting element composed of two light-emitting diodes. One leads of contacts are tied up together and are linked to phase wire of power supply source. Diode of forward direction are placed in series between common points of contacts. Device prevents mutual influence of control and signalling circuits. Device makes it possible to connected in parallel any number of position indicators and controlelements. EFFECT: expanded operational capabilities of device. 1 dwg
Patent RU-2020623-C1 (RU)
Inventor: GUKOV ANATOLIJ P
IPC: H01H1/20
Filed: 1991-10-22
Granted: 1994-09-30
Abstract: FIELD: electrical engineering. SUBSTANCE: contact bridge is made in form of two parts of open current conductor and conducting body intended for closing parts of conductor. Owing to the fact that angle α in zone of contact of surface of conducting body and parts of current conductor with corresponding longitudinal axes of current conductor is found from relationship a ≥ arcctg K where K - coefficient of friction of contact surfaces, additional force arises which provides pressing of contact parts to each other. EFFECT: enhanced reliability of contact bridge, increased service life owing to elimination of oxidizing of closed contacts and reduction of contact resistance at temperature rise. 3 dwg
Patent RU-2021651-C1 (RU)
Title: Device for the removal of stones from the field
Inventor: IVANOV EVGENIJ I
IPC: A01B43/00
Filed: 1991-10-28
Granted: 1994-10-30
Abstract: FIELD: agricultural engineering. SUBSTANCE: device has a shaft mounted on a frame. The shaft carries a drum with teeth of two sizes arranged alternately with a row of long teeth lagging from that of short teeth through an angle of 40 - 45 deg and with the short teeth displaced on the shaft with respect to the long teeth by half the interval between the teeth in the row. EFFECT: more effective clearing of the field from stones. 2 dwg
Patent RU-2006142-C1 (RU)
Inventor: NOVOSELOV KONSTANTIN G
IPC: H02K19/06
Filed: 1991-11-21
Granted: 1994-01-15
Abstract: FIELD: electrical engineering. SUBSTANCE: synchronous motor incorporating electromagnetic speed reduction provision has stator with poles provided with teeth on their internal surface, m-phase winding built up of 2mp coils (p is number of pole pairs) mounted on poles, switching device, and non-wound toothed rotor; pole shaders made of high-conductance nonmagnetic material are provided over periphery of toothed rotor and arranged on rotor teeth so that at any turn of toothed rotor and arranged on rotor teeth so that at any turn of rotor at least one pole shader occurs under each stator pole. EFFECT: improved design. 1 dwg
Patent RU-2041185-C1 (RU)
Title: Способ получения связующего
Inventor: VYAZOVCHENKO PAVEL ANDREEVICH
IPC: C04B38/00
Filed: 1991-08-12
Granted: 1995-08-09
Abstract: Использование: технология строительных материалов, в частности получение связующего из торфа. Сущность: способ получения связующего включает помол торфяной массы истиранием под воздействием сдвигающих нагрузок 50 200 Н и нормальных нагрузок 60 500 Н при температуре 60 100°С в рабочем объеме мельничной установки до получения водной дисперсии частиц торфа размером ≅ 5 μm. Строительные плиты, изготовленные из древесного заполнителя и связующего из торфа, характеризуются прочностью при сжатии 4,0 МПа, при изгибе 2,0 МПа, коэффициентом теплопроводности Вт/м К. 2 табл.
Patent RU-2026378-C1 (RU)
Inventor: MELAMUD SAMUIL G
IPC: C22B1/24
Filed: 1991-07-03
Granted: 1995-01-09
Abstract: FIELD: metallurgical industry. SUBSTANCE: method for control of pelletizing process in pan granulator includes control of batch consumption and yield of quality standardized pellets. When the yield deviates from the preset value a signal is sent to computer which depending on the preliminarily set relationship between capacity from point of batch supply for maximum yield of preset size class of quality standardized pellets sends the control signal to motor moving the conveyer which carries out charging of batch. After conveyer setting to required point check is accomplished of pellet average size and results are compared with the current value. Then, signal is sent to change the pan rotation speed or its angle of inclination. EFFECT: higher efficiency. 3 dwg, 2 tbl
Patent RU-2013766-C1 (RU)
Inventor: GONCHAROV BORIS V
IPC: G01N21/63
Filed: 1992-04-16
Granted: 1994-05-30
Abstract: FIELD: analytical chemistry. SUBSTANCE: method involves preliminary concentration of copper ions on the fiber containing α-aminomethylenephosphoric groups at the rate of analyzed solution passing 2-5 ml/min 2,0-5,0 ml/min·cm 2 . Elution is carried out with sulfuric acid solution at concentration 0.10-0.25 M at the rate of passing 0.5-2.0 ml/min 0,5-2,0 ml/min·cm 2  - three column volumes. EFFECT: improved method of assay. 2 tbl
Patent RU-2063438-C1 (RU)
Title: Method of preparing enzyme-protein concentrate
Inventor: DUBINSKAYA ANTONINA PAVLOVNA
IPC: C12N9/64
Filed: 1992-04-24
Granted: 1996-07-10
Abstract: FIELD: biotechnology, meet industry. SUBSTANCE: concentrate is produced from cattle abomasum taken from health animals. Raw is defatted, washed with weak tap water jet and frozen at -12-18 C for 16-28 hr. Then raw is milled in picker roll at hole diameter 4-5 mm, pH is brought about to 1.8-2.2 with 10-14% hydrochloric acid solution. Obtained mass is subjected for autolysis at 38-42 C for 1 hr and 5% sodium chloride is added to mixture. Ready concentrate is used in meet industry. Concentrate usefulness at 48 hr range. EFFECT: improved method of concentrate producing. 2 cl