baber/WOPTO huggingface dataset:
Patent DE-19932558-C2 (DE)
Title: Stuhl, insbesondere Bürodrehstuhl
IPC: A47C1/03
Filed: 1999-07-13
Granted: 2001-06-13
Abstract: Die Erfindung betrifft einen Stuhl (1), insbesondere Bürodrehstuhl, mit einem auf einer zentralen Stuhlsäule (20) oder mehreren Stuhlbeinen angebrachten Sitzträger (2), mit einer von dem Sitzträger (2) getragenen Sitzplatte (3), mit einer relativ zur Sitzplatte (3) höhenverstellbaren Rückenlehne (4) und mit zwei relativ zur Sitzplatte (3) höhenverstellbaren seitlichen Armlehnen (5). DOLLAR A Der neue Stuhl ist dadurch gekennzeichnet, daß er zwei von dem Sitzträger (2) oder von der Sitzplatte (3) ausgehende, nach oben verlaufende seitliche Führungsprofile (6) umfaßt und daß jedes Führungsprofil (6) eine Rückenlehnenführung (64) und eine Armlehenenführung (65) enthält, die jeweils mit Führungselementen (46, 56) der Rückenlehne (4) und der jeweiligen Armlehne (5) zusammenwirken.
Patent DE-19939409-C2 (DE)
Title: Schallwandler für Wand- und Deckeneinbau
Inventor: HACKLINGER WOLFRAM
IPC: H04R1/20
Filed: 1999-08-20
Granted: 2002-03-21
Abstract: Die Erfindung betrifft einen Schallwandler, insbesondere für Wand- oder Deckeneinbau, mit einer auf der Sichtseite angeordneten Flachmembran und einer Erregereinrichtung zum Antreiben der Flachmembran. Ein solcher Schallwandler soll insbesondere bezüglich seines Abstrahlverhaltens verbessert werden. Dies wird dadurch erreicht, dass als Erregereinrichtung eine im Wesentlichen angrenzend der Rückseite der Flachmembran angeordnete, im Wesentlichen abgedichtete und gasgefüllte Druckkammer und mindestens ein elektrodynamischer Lautsprecher, dessen Schallabstrahlung in die Druckkammer erfolgt, vorgesehen ist, wobei die Flachmembran indirekt über das in Druckkammer vorhandene Gasvolumen von dem mindestens einen elektrodynamischen Lautsprecher erregbar ist.
Patent RU-2163983-C2 (RU)
Inventor: KLIMNJUK JU I
IPC: F04F5/14
Filed: 1995-11-22
Granted: 2001-03-10
Abstract: Изобретение относится к струйной технике. Эжектор содержит сопла активного и пассивного газов и камеру смешения. Кольцевой ресивер подвода пассивного газа с более высокой температурой охватывает сопло пассивного газа с менее высокой температурой. Сопла пассивного газа с высокой температурой размещены в стенке ресивера на срезе пассивного сопла. В результате достигается уменьшение габаритов и веса. 1 ил.
Patent RU-2158270-C2 (RU)
Inventor: KHAAS JORG
IPC: A61K8/00
Filed: 1995-12-22
Granted: 2000-10-27
Abstract: FIELD: chemical industry. SUBSTANCE: described are new N- cyanomethylated chitosans of formula I:   wherein degree of polymerization (x) varies from 5 to 10,000, preferably from 20 to 500, n 1  is 0-0.6, preferably 0.05- 0.10 part in terms of x; n 3 +n 4  is 0.4-1.0, preferably 0.8- 0.95 part in terms of x; products of hydrolysis thereof. Also described are methods of preparation of said compounds and use thereof. Cyanomethylated chitosans, especially products of hydrolysis thereof, are useful as separating membranes, complexing agents, solid deposition inhibitors, bleach liquor stabilizers, moisture retainers in cosmetic compositions, thickeners and repellents. EFFECT: improved properties of the title compounds. 7 cl, 4 dwg
Patent RU-2171265-C2 (RU)
Title: Method or (co)polymerization of olefins
Inventor: KOLLINA DZHANNI
IPC: C08F4/6592
Filed: 1995-10-02
Granted: 2001-07-27
Abstract: FIELD: chemical industry. SUBSTANCE: described is multistage method of polymerization of one or more olefins of formula: CH 2 =CHR wherein R is hydrogen or alkyl, cycloalkyl or aryl group having 1 to 10 carbo atoms. Method comprises first stage of polymerization wherein, in order to prepare olefin homo-or copolymer, one or more said polymers are polymerized in one or more reactors in the presence of catalyst comprising product of reaction between alkyl aluminium compound and solid component comprising compound of transition metal M 1  selected from group containing titanium and vanadium and containing no M 1 -π bonds, and magnesium halide in active form; (B) treatment stage during course of which product prepared in first polymerization stage (A) by any method (a) is made to contact with compound capable of deactivating catalyst present in said stage (A) and (b) is made to contact with compound of transition metal M selected from group containing titanium, zirconium, vanadium or hafnium containing at least one bond M-π optionally with alkyl aluminium compound, (C) second polymerization stage in course of which one or more said olefins are polymerized in one or more reactors in the presence of product prepared in said treatment stage (B). EFFECT: preparation of wide range of compositions of olefin polymer. 25 cl, 2 tbl
Patent RU-2188284-C2 (RU)
Title: Water drain tank
Inventor: KARSANOV B KH
IPC: E03D1/00
Filed: 1997-07-18
Granted: 2002-08-27
Abstract: FIELD: domestic sanitary equipment. SUBSTANCE: tank has float positioned for displacement in vertical plane inside guide located in drain opening. Tank bottom is made from stainless steel. Guide is equipped with permanent magnet having sealing gasket composed of rings mounted above drain opening. EFFECT: simplified construction and enhanced reliability in operation. 1 dwg
Patent RU-2192304-C2 (RU)
Title: Particles with polymer shell and their production
Inventor: LJUKKE MADS
IPC: C11D3/37
Filed: 1996-12-23
Granted: 2002-11-10
Abstract: FIELD: particles with polymer shell and their production. SUBSTANCE: invention presents composition in the form of particles with hydrophilic nucleus inside shell containing membrane including product of association (a) product of interphase condensation and formed in reaction between, mainly, soluble in oil the first reagent of interphase condensation selected from isocyanate, epoxy resin and dicarboxylic acid (or higher diacids) or its derivative which is either acid halide or anhydride having at least two first condensation groups, and mainly, water-soluble second reagent of interphase condensation selected from diamine (or higher diamines), or polyol soluble in water having at least two second condensation groups, and (b) oil-soluble or swelling in oil amphipathic polymer stabilizer which will concentrate at interphase between oil and water and which has recurrent hydrophobic groups and recurrent hydrophobic groups which are associated with the second condensation groups. Method of production of particles with hydrophilic nucleus inside shell is also described in the invention. Technical result consists in encapsulation of hydrophilic or oil nucleus. EFFECT: higher efficiency. 30 cl, 3 tbl
Patent RU-2165913-C2 (RU)
Inventor: PAVLOV S JU
IPC: C07C11/02
Filed: 1998-08-04
Granted: 2001-04-27
Abstract: FIELD: petrochemical processes. SUBSTANCE: normal alkanes are fed into catalytic dehydrogenation zone, dehydrogenation-zone contact gas is fed into normal alkenes-to-isoalkenes isomerization zone in presence of hydrogen, and isomerization-zone contact gas is fed into separation zone. Isomerization zone contains catalyst: alumina on which silicon and/or halide, and/or variable-valence metal, preferably palladium, compounds are applied. Mixture isolated from isomerization-zone contact gas, containing chiefly hydrocarbons with the same number of carbon atoms as in original alkane(s), is separated either by (i) chemical binding of tert-alkene(s) in presence of acid catalyst with water and/or alcohol(s), and/or formaldehyde or by (ii) dimerization followed by separation of mixture of unreacted hydrocarbons, isolation of n-alkenes therefrom by rectification with polar agent(s) or by chemical binding by water and/or alcohol(s), and/or by dimerization, whereas n-alkanes are returned into dehydrogenation zone and n-alkenes optionally into isomerization zone, or by (iii) rectification separation with polar agent(s) followed by returning isolated alkane(s) into dehydrogenation zone and isolating tert-alkenes from distilled off polar agent by chemical binding by water and/or alcohol(s), and/or formaldehyde, or by (iv) dimerization and optionally returning stream containing mainly n-alkenes into isomerization zone. EFFECT: simplified process. 6 cl, 3 dwg, 3 tbl, 3 ex
Patent RU-2166823-C2 (RU)
Title: Laser diode strip
Inventor: APOLLONOV V V
IPC: H01S5/42
Filed: 1999-01-22
Granted: 2001-05-10
Abstract: FIELD: semiconductor lasers; fiber-optic communications, medicine, and material treatment. SUBSTANCE: laser diode strip whose external end is covered with antireflective coating and rear blind end, with highly reflective coating has laser diodes, cylindrical microlens, and flat external mirror; transversely directed multimode wide- aperture laser diodes are used in strip, their mode of operation being changed from inherent multimode to transversely directed single-mode operation in external resonator wherein laser diodes are synchronized due to diffraction transmission by radiation in reflection from flat external mirror. Common supermode is selected due to inclination of external mirror in p-n junction plane through angle Φ = [(2m+1)λ/2d] for common supermode and Φ = [mλ/d] for antiphase one, where m = 0 1, 2 ... . Laser diodes used in strip ensure selection of quarter-Talbot-length common supermode for resonator. EFFECT: enlarged functional capabilities of strip. 7 dwg
Patent RU-2178324-C2 (RU)
Inventor: ISTOMIN N N
IPC: B01D1/22
Filed: 1999-05-12
Granted: 2002-01-20
Abstract: FIELD: heat- and mass-exchange technique; film-type evaporators; rectifying towers of chemical and petrochemical industries. SUBSTANCE: film-type evaporator has vertical cylindrical shell with heat-exchange tubes inside it; these tubes are secured in tube sheets to which upper and lower distribution chambers are connected; upper distribution chamber is divided into two parts by means of vertical partition; film formers with caps coaxially secured on them are located in one part of chamber on upper ends of heat-exchange tubes; extension branch pipes and film formers are secured on other side of partition on upper ends of some heat-exchange tubes; lower chamber is divided into two parts by means of partition: tubes with film formers and caps and tubes with extension branch pipes and branch pipes having hole in wall are located in one part; tubes with film formers secured on their upper ends and branch pipes with diaphragm are located on other side. EFFECT: enhanced operational efficiency due to organization of descending, ascending and counter flows of liquid and vapor in one apparatus. 5 cl, 5 dwg
Patent RU-2164965-C2 (RU)
Title: Method of allying diffusion aluminide coating to article
Inventor: KABLOV E N
IPC: C23C14/38
Filed: 1999-05-27
Granted: 2001-04-10
Abstract: FIELD: methods of application of diffusion aluminide coatings to articles. SUBSTANCE: method includes accumulation on article surface of elements alloying the coating. In so doing, specific increment of weight ΔM i  of each element per article surface unit is selected from relation ΔM = δ i ρh, where δ i  is fraction of total weight i of alloying element in coating; ρ is density of coating material; h is thickness of coating. The method also includes preliminary preparation of article for coating; delivery to zone of article treatment of article proper and aluminum-base alloy; evacuation of zone of article treatment; supply of negative potential to article and separately to aluminum-base alloy; striking of vacuum arc on aluminum-base alloy and its arcing in vapors of this alloy to form plasma of aluminum-base alloy; alloy ion bombardment of article surface; cleaning and heating of article surface with ions of alloy plasma; diffusion and accumulation of the alloy on article surface and subsequent vacuum annealing of article with formation of aluminide coating. Accumulation of elements alloying the coating is effected by ion deposition or by ion deposition and subsequent vacuum annealing. Accumulation of elements alloying the coating is performed from alloy based on element comprising base of coating. EFFECT: higher efficiency due to provision of complex alloying of diffusion aluminide coatings with elements featuring low solubility in nickel monoaluminide to considerably raise the service life of blades after treatment by the claimed method. 4 cl, 4 ex
Patent RU-2176920-C2 (RU)
Title: Method for treating threatening pregnancy interruption
Inventor: BOTASHEVA T L
IPC: A61B8/00
Filed: 1999-06-01
Granted: 2001-12-20
Abstract: FIELD: medicine. SUBSTANCE: method involves determining placenta disposition side of pregnant woman. Right-sided localization being the case, tokolytic agents are administered three times at 8, 15 and 23 o'clock. Left -sided localization being the case, tokolytic agents are administered 5 times at 7,11,15,19,23 o'clock. EFFECT: enhanced effectiveness of treatment; reduced risk of complications; avoided drug therapy complications. 4 dwg
Patent RU-2386884-C2 (RU)
Inventor: GRIGORASHCHENKO VLADIMIR ALEKSANDROVICH
IPC: F16L1/028
Filed: 1999-09-15
Granted: 2010-04-20
Abstract: FIELD: construction. 
     SUBSTANCE: well is formed, new pipeline is pulled into it. Well is formed by longitudinal cut of old pipeline with its further opening. It is most rational to cut the old pipeline in its lower part. Device is arranged in the form of striking unit and sharpened rib arranged at the angle to device axis, is equipped with support rib arranged opposite to sharpened rib. It is reasonable to install support rib at the angle close to zero to axis of device. Sharpened rib is arranged as thickening in direction towards tail part of device. It makes it possible to cut the old pipe in one place and to open it in the form of protective arc for the new pipe. 
     EFFECT: invention provides for the possibility of operation in unstable soils, reduced energy intensity and increased reliability of pipelines replacement. 
     3 cl, 6 dwg
Patent RU-2175983-C2 (RU)
Title: Fluidized-bed duplex self-contained device for two- stage preliminary reduction of fine-grained iron ore and method of preliminary reduction of fine-grained iron ore
Inventor: CHOJ NAG DZOON
IPC: F27B15/00
Filed: 1998-12-16
Granted: 2001-11-20
Abstract: FIELD: metallurgy; methods of reduction of iron ore having wide distribution of particles including treatment by reducing gas. SUBSTANCE: device has first, second and third fluidized-bed furnaces. First furnace is used for performing first stage of preliminary reduction of iron ore having coarse (intermediate) particles of iron ore. Second furnace is used for performing first stage of preliminary reduction of fine particles of iron ore carried from first furnace. Third furnace is used for performing second stage of preliminary reduction of iron ore unloaded from first and second furnaces. Device is also provided with cyclones for entrapping fine particles of iron ore from waste gas escaping from furnaces for returning these particles to furnaces and gas reforming system of part of waste gas of one of cyclones. EFFECT: stabilization of fluidization of fine-grained iron ore for enhancing degree of reduction and utilization of gas; reduced losses caused by entrainment of ore. 6 cl, 2 dwg, 5 tbl, 1 ex
Patent UA-52745-C2 (UA)
Title: Apparatus for replacing slides under pressure
Inventor: DITKOVSKYI ANATOLII VIKTOROVYCH
Filed: 1999-11-16
Abstract: Appliance for replacing slides under pressure has installed in parallel positions split and non-split support traverses with axial openings, attached to those with guide screws unit for fixing to the armature, placed in the central axial opening of split traverse collapsible hollow rod with placed in it and in the central axial opening of non-split traverse collapsible drive shaft; fixed at the hollow rod by means of threading packer; mechanism of tightening of the hollow rod with respect to the housing of the slide, this has housing with flange, tightening element, ground-bush and pressure threaded cover, stopper nut that is installed on split traverse. To use the appliance at gas-outlet branch pipes of main pipelines appliance is equipped with tightening coil, this has housing with flanges, tightening element and pressing ring nut; and the node of fixation to the fittings is made as split plate installed on the pipe and having two split yokes, those are rigidly fixed at the pipe with toothed keys.
Patent RU-2242713-C2 (RU)
Title: Automatized bench for checking suspension rectilinearity
Inventor: KHOROSHILOV V S
IPC: G01B11/24
Filed: 2000-02-10
Granted: 2004-12-20
Abstract: FIELD: measuring engineering. 
     SUBSTANCE: bench has a member provided with suspension and pickups for measuring rectilinerity of suspension. The bench are arranged vertically. The photodetectors are fixed and connected with the common control block. 
     EFFECT: enhanced accuracy and reliability of measurements. 
     1 dwg
Patent RU-2213166-C2 (RU)
Title: Ceramic coating, flat iron sole and a method to form ceramic coating on aluminum and its alloy articles
Inventor: MAMAEV A I
IPC: C25D11/08
Filed: 2000-03-06
Granted: 2003-09-27
Abstract: FIELD: ceramics. SUBSTANCE: invention relates to electrochemical treatment of aluminum and its alloy articles and, more specifically, to arch oxidation and can be used in manufacture of ornamental, heat-resistant, wearproof, and anticorrosive coatings in a variety of areas. Ceramic coating consists of two layers: functional upper layer and internal layer strongly attached to base. Functional upper layer has following characteristics: microhardness 680-2250 kg/sq.mm, roughness 0.32-1.25 mcm, porosity 10-70%, and pore diameter 0.01-10 mcm. Flat iron sole is made from aluminum or its alloy has on its surface ceramic coating formed with the aid of arch oxidation in aqueous electrolyte solution containing alkali metal phosphates and fluorides, and boron-containing compounds under pulse anode or anode-cathode conditions at pulse duration 50 to 1000 mcs. When colored ceramic coatings are desired, aqueous electrolyte solution is supplemented by different transition metal compounds. EFFECT: increased heat resistance of coatings, decreased roughness, and facilitated coloration thereof. 10 cl, 11 ex
Patent RU-2193847-C2 (RU)
Inventor: KNAUF-BAJTER GERTRUDE
IPC: A01N43/36
Filed: 1998-08-27
Granted: 2002-12-10
Abstract: FIELD: agriculture, plant science, plant protection. SUBSTANCE: method deals with the treatment of crop plants or the place of their growing infected with a phytopathogenic disease by using fungicidally efficient amount of fungicidal composition including combination of a component (a) of formula  (1), where R 1  is hydrogen, fluorine or chlorine, R 2  is methyl, ethyl, trifluoromethyl, trifluorometoxy, ciano, fluorine or bromine on condition that R 2  can't specify fluorine, chlorine or bromine, when R 1  specifies hydrogen, with a component (b) being compounds of formulae (II)-(III), (V), (VIII), (IX), (XII)- (XV), (XVII), (XXI)-(XXIV), (XXXVI)-(XXXIX), moreover components (a) and (b) are used in weight ratio to provide synergistic fungicidal action. It is, also, described a fungicidal composition applied in the present method. EFFECT: higher efficiency. 9 cl, 15 ex, 33 tbl
Patent RU-2205822-C2 (RU)
Title: Methods for preparing (s)-oxazolidinones, (s)-secondary alcohol, compound, method for alcohol preparing
Inventor: PERLMAN BRJUS A
IPC: C07D263/24
Filed: 1998-10-13
Granted: 2003-06-10
Abstract: FIELD: organic chemistry, chemical technology. SUBSTANCE: invention relates to some novel intermediate substances as such (S)-secondary alcohol of the formula (VIIIA):  - -NH-CO-R N  where X 2  is chlorine or bromine atom; R N  means CH 3 . Invention relates also to methods for preparing pharmacologically useful oxazolidinones of the formula: X-R oxa -ring-CH 2 -NH-CORN where ring means R oxa ;   means phenyl substituted with one fluorine atom or one amino-group. Methods involves contacting carbamate of the formula (IX): R oxa -NH-CO-O-  where X 1  means C 1 -C 20 -alkyl, C 3 -C 7 -cycloalkyl, phenyl possibly substituted with C 1 -C 3 -alkyl, fluorine, chlorine, bromine or iodine atom with phthalimide reagent or with (S)-protected alcohol or protected epoxide, or (S)-3-carbon amino-alcohol under the controlled conditions in the reaction carrying out. EFFECT: improved preparing methods. 21 cl, 10 sch, 15 ex
Patent RU-2191454-C2 (RU)
Inventor: PIL SHCHIKOV V E
IPC: H01T23/00
Filed: 2000-06-27
Granted: 2002-10-20
Abstract: FIELD: high-voltage impulse equipment. SUBSTANCE: the arrester consists of a network of discharge modules series-connected between two terminals. Nonlinear resistors are used in the arrester for equalization of voltages at all the discharge modules. The output of each odd discharge module, except for the last one, is coupled to one terminal via one of the mentioned resistors, and the output of each even discharge module is coupled to the other terminal via another of the mentioned resistors, and the values of the resistors satisfy relations R c >R c+2  for odd K; R c <R c+2  for even K, where - the resistor ordinal number. EFFECT: minimized protective level of the arrester and obtained quiet volt-ampere characteristic, providing a high reliability of protection. 25 cl, 8 dwg
Patent RU-2195720-C2 (RU)
Title: Method for producing nuclear reactor fuel assembly
Inventor: ROZHKOV V V
IPC: G21C21/00
Filed: 2000-06-22
Granted: 2002-12-27
Abstract: FIELD: nuclear power engineering; fuel assembly manufacture. SUBSTANCE: method involves use of supports disposed level with lower and side edges of hexagonal spacer grids while maintaining permissible distance between spacer grids and removable supports. Coordinate schedule of entering fuel rods in coaxial cells of spacer grids is varied by introducing fuel rod first in cell of lower corner of spacer grid, then in that on left edge, in two cells on right edge using removable supports for the purpose. Fuel rods are inserted along horizontal row from right to left using bottom fuel rods as supports. Two fuel rods are entered in cells on left edge using removable supports; bottom fuel rods are used as supports for inserting them in cells of horizontal row from left to right until fuel assembly is completed, bottom plug of fuel element being used as stay member for cells. Permissible distance between spacer grids and removable supports is 255 mm. EFFECT: reduced input of structural materials and quantity of spacer grids; enhanced yield and labor productivity. 2 cl, 4 dwg
Patent RU-2189875-C2 (RU)
Title: Device for automatic control of strip flatness
Inventor: BOZHKOV A I
IPC: B21B37/28
Filed: 2000-08-11
Granted: 2002-09-27
Abstract: FIELD: rolling process; automated control systems for sheet mills. SUBSTANCE: proposed device includes meter for measuring lack of flatness, rolling force and speed meters, hydraulic bend system and mill cooling systems, unit for calculation of difference between mill shapes, forces and speed of rolling at jstand (j=1,..., n-1) and at last stand (n-stand) of mill and units for calculation of hydraulic bend and delivery of cooling fluid for j-stand and last stand)nstand) of mill. Novelty of invention consists in availability of meter for measuring thickness of semi-finished rolled stock in width placed before first stand of mill and arithmetical unit for determination of local increased thickness on semi-finished rolled stock and noting their location and differential lubrication system over length of roll bodies in first stand of mill. EFFECT: stabilized rolling process in first stands of mill; increased ingot-to product yield; enhanced flatness of cold-rolled strips due to avoidance of lack of flatness in first stand of continuous rolling mill. 4 dwg