baber/WOPTO huggingface dataset:
Patent BR-0312071-A (BR)
Title: Método aperfeiçoado para fabricação de nevirapina
Inventor: BOSWELL ROBERT F JR
IPC: C07D213/80
Filed: 2003-06-02
Abstract: "MéTODO APERFEIçOADO PARA FABRICAçãO DE NEVIRAPINA". A presente invenção refere-se a processo para fabricação de nevirapina, compreendendo as seguintes etapas: (a) reagindo 2-halo-3piridinacarbonitrila da fórmula (I), onde X é um átomo de flúor, cloro, bromo ou iodo, preferivelmente cloro ou bromo, com ciclopropilamina, para render 2-(ciclopropilamino )-3piridinacarbonitrila; (b) hidrólise de 2-(ciclopropilami-no)-3-piridinacarbonitrila para render ácido 2-(ciclopropilamino)-3-piridina-carboxílico; (c) isolamento de ácido 2-(ciclopropilamino)-3-piridinacarboxílico do meio de reação; (e) tratando do ácido 2-(ciclopropilamino)-3-piridinacar-boxílico com um agente de cloração, para render cloreto de 2-(ciclopropila-mino)-3-piridinacarbonila; (f) reagindo cloreto de 2-(ciclopropilamino)-3-piridinacarbonila com uma 2halo-4-metil-3-piridinamina da fórmula (I), onde X é um átomo de flúor, cloro, bromo ou iodo, preferivelmente cloro ou bromo, para produzir uma N-(2-halo-4-metil-3-piridinil)-2-(ciclopropilamino)-3piridi-nacarboxamid a; e (g) ciclizando a N-(2-halo-4-metil-3-piridinil)-2(ciclopropi-lamino)-3-piridinacarboxamid a através de tratamento com uma base forte, para render nevirapina.
Patent BR-0314311-A (BR)
Inventor: HUANG YAN C
IPC: D21H21/18
Filed: 2003-09-17
Abstract: The invention involves papers having either an internal starch or a size press applied starch and a boron-containing compound which is added in proportion to the starch and which is believed to interact with the starch to provide improved physical and mechanical properties in the paper. Method of forming the papers are also disclosed.
Patent BR-0316316-A (BR)
Title: Estimativa de canal de complexidade reduzida para sistemas de comunicação sem fio
Inventor: SUBRAMANIAM ANAND
IPC: H04L25/02
Filed: 2003-11-12
Abstract: "ESTIMATIVA DE CANAL DE COMPLEXIDADE REDUZIDA PARA SISTEMAS DE COMUNICAçãO SEM FIO". Descreve-se de técnicas para derivar uma estimativa de canal utilizando-se um número de multiplicações complexas substancialmente menor que o utilizado por um método de força bruta para extrair a mesma estimativa de canal. Em um método, um vetor intermediário B é inicialmente extraído com base em K sub-vetores de um vetor H para uma estimativa de resposta de freq³ência de canal e pelo menos duas sub-matrizes DFT para uma matriz DFT W, onde K > 1. Uma matriz intermediária A para a matriz DFT W é também obtida. Uma estimativa de resposta de impulso de canal quadrada mínima é em seguida extraída com base no vetor intermediário B e na matriz intermediária A. Em uma implementação, o vetor intermediário B é obtido primeiro computando-se DFTs de uma matriz <sym>~ TXL~, que é formada com base no vetor <sym>, de modo a se prover uma matriz G~ LXL~. Os produtos internos entre as colunas de uma sub-matriz DFT base W~ 1~ e as linhas da matriz G~ LXL~ são então computados de modo a se obterem as entradas do vetor intermediário B.
Patent BR-0317211-A (BR)
Inventor: PIGNAGNOLI FRANCESCA
IPC: C08G18/54
Filed: 2003-12-23
Abstract: A polyol composition is disclosed that comprises an aromatic polyether polyol , preferably based on the condensation product of a phenol with an aldehyde and as blowing agent, formic acid. The polyol composition finds utility in the manufacture of polyurethane and particularly polyisocyanurate foams having attractive flame retardant and reduced smoke generation characteristics.
Patent BR-8206010-A (BR)
Inventor: ELSNER EMIL
IPC: H05B7/12
Filed: 1982-10-14
Abstract: The electrode has a durable upper part and a consumable tip. A plurality of copper tubes extend through the upper part. The connection to the consumable tip is by means of an intermediate plate and a nipple, the latter containing ducts for the connection of the copper tubes. At the upper end of the electrode, the copper tubes are serially interconnected by tube bends and at their lower end by ducts in the nipple.
Patent BR-8300261-A (BR)
Inventor: HEINZ ASBECK
IPC: B60C27/08
Filed: 1983-01-19
Abstract: The endless band-like portion of a chain for the tires of heavy duty automotive vehicles is assembled of substantially square main links and U-shaped shackles. Each link has a base plate which engages the tread of the tire and an outer plate which engages the ground and is spaced apart from and defines with the base plate a compartment containing projections which extend from the base plate and/or outer plate and serve to engage and retain detent members on the legs of the shackles. Each link has at least one yoke disposed in a plane extending at right angles to the respective plates and engaging the web of a shackle whose legs are anchored in the compartment of a neighboring link. At least one leg of each shackle has a spur which cooperates with the web of an adjacent shackle to prevent the extraction of legs from the compartment wherein the legs are anchored as a result of engagement of their detent members with the projections of the respective link.
Patent BR-8403178-A (BR)
Inventor: BAERE LUC DE
IPC: C02F3/28
Filed: 1984-06-28
Abstract: In the process of treating organic materials comprising a preparation phase in which the organic material to be digested is mixed with an appropriate inoculant and introduced into an anaerobic digester (6), the organic materials are mixed with the inoculant in a mixer (3) in order to form a solid-appearing mass which is introduced into the digester (6) and is extracted thereform after a period of less than 50 days; a part equal to at least one-third of the material extracted from the digester (6) is recycled to the inlet and mixed by kneading with a quantity of fresh organic material less than twice the recycled quantity, the quantity of fresh organic material being pretreated as needed by a drying or by humidification in a manner such that the mass leaving the mixer (3) has a rate of humidity between about 55% and 75%.
Patent BR-8505896-A (BR)
Inventor: VALLIN DIDIER
IPC: H01M6/14
Filed: 1985-11-25
Abstract: In an electrochemical cell the negative active material is an alkali or alkaline earth metal, such as lithium, and the electrolyte comprises a solute and at least one solvent selected from the liquid oxyhalides and which serves also as the positive active material. The electrolyte further comprises a mineral substance the effect of which is to significantly reduce the voltage rise delay of the cell.
Patent BR-8603928-A (BR)
Inventor: MUNRO DAVID
IPC: C07C257/22
Filed: 1986-08-18
Abstract: Hydrazino diphenyl ethers having the general formula I:- <CHEM> wherein: n is 0, 1,2 or 3; each group A represents a halogen atom or a cyano, nitro, alkyl or haloalkyl group; X represents a hydrogen atom or, when n is 0, alternatively represents a halogen atom;  Y represents a halogen atom or a nitro or cyano group; R1 represents a hydrogen atom, an alkyl, cycloalkyl, alkenyl or alkynyl group, an alkyl group substituted by a halogen atom or a cyano or alkoxy group, or an optionally substituted aryl group; R2 represents a hydrogen atom, an alkyl, alkoxy, cycloalkyl, alkenyl or alkynyl group, an alkyl group substituted by a halogen atom or a cyano, alkoxy, alkylamino, acylamino, alkoxycarbonyl or acyl group, an optionally substituted aryl or heterocyclic group, or an amino group optionally substituted by an alkyl, aryl, alkanoyl, aroyl or alkoxycarbonyl group or R1 and R2 together with the interjacent nitrogen atom jointly represent an azido group or a heterocyclic ring; Z represents a hydrogen atom or a cyano, alkyl, alkylamino, carboxy, alkoxycarbonyl, or acyl group, or Z, R1 and R2, together with the interjacent carbon and nitrogen atoms represent a heterocyclic ring; and R3 represents a hydrogen atom or an alkyl group. Herbicidal compositions containing such ethers, and their preparation.
Patent BR-8704825-A (BR)
Inventor: GRADEFF PETER S
IPC: C10L1/18
Filed: 1987-09-18
Abstract: Composition enabling the stability of diesel motor fuels to be improved by addition of certain rare-earth organic compounds to the diesel motor fuels. The invention also relates to the process for implementing it. The stabilisation of the diesel fuels is effected with the aid of an additive consisting of a rare-earth organometallic compound corresponding to the following formula: <IMAGE> in which M denotes one or more rare-earth elements and R a hydrocarbon group containing from 3 to 25 carbon atoms.
Patent BR-8707443-A (BR)
Inventor: PASULA MARK J
IPC: G01N33/49
Filed: 1987-08-24
Abstract: A method for the diagnosis of a malady in a subject by observing a degree of reaction between all blood cells: red blood cells, leukocytes and platelets; in the subject's blood with a foreign entity having a predetermined relationship with the malady being diagnosed. The test includes comparing amounts and sizes of red blood cells, leukocytes and/or platelets in a control sample and at least one test sample. The test sample includes a portion of the subject's blood and the foreign entity being tested.
Patent BR-8803496-A (BR)
Inventor: DOUGHERTY EDWARD F
IPC: C07C57/04
Filed: 1988-07-12
Abstract: Black acid or the sulfuric acid residue obtained in the manufacture of ethyl acrylate by reaction of ethylene and acrylic acid in the presence of sulfuric acid is heated and distilled in the presence of a solvent for recovery of acrylic acid and ethyl acrylate.
Patent BR-9105771-A (BR)
Inventor: MATKOVICH VLADO I
IPC: A61M5/38
Filed: 1991-05-24
Abstract: A biological fluid processing system (10) for the processing of biological fluid (such as blood) is disclosed. The biological fluid processing system (10) separates gases from the system to improve storage life, safety, and the quality of the processed biological fluid. The biological fluid processing system (10) increases the yield of the processed biological fluid by allowing recovery of biological fluid trapped in various elements of the system. A typical biological fluid processing system (10) includes a collection bag (11) with conduits (12, 15) connecting it to a second container (17) for receiving biological fluid. A functional biomedical device (14) may be included. A gas inlet (13) allows gas to be introduced into the system to recover the biological fluid trapped in the system. A gas outlet (16) allows gas to be purged from the system. <IMAGE>
Patent BR-9206730-A (BR)
Inventor: WILLIAMS ROBERT
IPC: B65G47/86
Filed: 1992-10-08
Abstract: A continuous motion cylindrical can decorator is provided with mandrels that receive undecorated cans and a deco chain that carries decorated cans through a curing oven. The mandrels are mounted along the periphery of a continuously rotating carrier. Chain speed is much slower than linear mandrel speed and spacing between pins on the chain is much less than spacing between mandrels. Interposed between the chain and the mandrel carrier is a continuously rotating transfer carrier having a plurality of suction holding devices thereto. As the holding devices move through a transfer region they are in single file and receive cans that are blown from the mandrels. In the transfer region mandrel linear speed is substantially greater than linear speed of the holding devices, and spacing between the latter is much less than spacing between the mandrels. Valving that controls application of pressurized air to unload the mandrels is positioned by a servo such that the valving opens automatically at a more upstream position for the mandrels as mandrel carrier speed increases.
Patent BR-9207058-A (BR)
Inventor: EKHOLM ROLF
IPC: B04C9/00
Filed: 1992-12-23
Abstract: The present invention relates to a process and a device for the separation and purification of gas from a fiber suspension, especially residual gas after ozone delignification or pulp suspension, wherein the suspension together with the gas is introduced into a cyclone (2) or similar in which essential separation of suspension takes place, after which the essentially gas-free suspension is drawn off downwards and the gas (5) containing residual fiber and/or other impurities is drawn off upwards, the gas stream (5), before it is conducted away, being led through a liquid bath for separation of residual fibers and/or other impurities from the gas stream.
Patent BR-9302427-A (BR)
Inventor: CHOU TA-SEN
IPC: C07H13/08
Filed: 1993-06-21
Abstract: A stereoselective process for preparing an alpha-anomer enriched 1- alpha -halo-2-deoxy-2,2-difluoro-D-ribofuranosyl derivatives involving contacting a 3,5-hydroxy protected-2-deoxy-2,2-difluoro-D-ribofuranosyl-1- beta -sulfonate with a halide source in an inert solvent.
Patent BR-9305386-A (BR)
Inventor: HSIEH TONG-HO J
IPC: A61F13/534
Filed: 1993-12-30
Abstract: An absorbent article, such as a sanitary napkin, is provided with first and second flexible bending axes separating front and rear portions of the article from a central portion. Each of the bending axes is created by a notch formed in the longitudinally extending sides of the article. A fluid pervious cover layer forms the body facing surface of the article. A transversely extending slit is formed in the portion of the cover within each of the notches. A fluid impervious barrier layer forms the garment facing surface of the article. A pleat is formed in the portion of the barrier extending between the edges of each of the slits. The notches, slits and pleats allow the front and rear portions of the article to freely bend upward into contact with the use's body and prevent lateral compression in the central portion of the article from being transmitted to the front and rear portions so as to undesirably increase the stiffness of the article in the longitudinal direction. <IMAGE>
Patent BR-9402898-A (BR)
Inventor: NICKEY GEORGE A
IPC: B07C5/36
Filed: 1994-07-21
Abstract: A system (10) for inspecting and sorting molded containers (C), such as glass bottles that includes a finished product inspection station (14) for inspecting containers transported in sequence along a predetermined path, identifying containers to be sorted from the path on the basis of container mold of origin, and providing an electrical signal indicative of such containers. A conveyor (28) is disposed adjacent to the container path downstream of the finished product inspection station, and is responsive to an electronic control signal for selectively removing a container from the path as the container passes adjacent to the conveyor. A timer (98) receives the electrical signal from the inspection station, and applies the electronic control signal to the conveyor after a time delay coordinated with distance between the inspection station and the conveyor, and velocity of travel of containers along the path between the inspection station and the conveyor. <IMAGE>
Patent BR-9500395-A (BR)
Inventor: MORGAN HARVEY S
IPC: A41C3/14
Filed: 1995-01-31
Abstract: A frame for breast cups of a brassiere is formed in such a manner that it is relatively inflexible in the plane of the frame and relatively flexible in the direction of the thickness of the frame, the frame when viewed in plan view, being in the form of a dihedral, thus causing a bridge (14) between the respective frames (10,12) to move inwardly towards the sternum of the wearer of the brassiere on the aplication of a force acting to move free ends of the respective frames away from each other. <IMAGE>   <IMAGE>
Patent BR-9510038-A (BR)
Inventor: BABLYUK YEVGENEY BORISOVICH
IPC: C12Q1/28
Filed: 1995-12-14
Abstract: A multilayer analytical element for determining a level of an analyte on a substrate and adapted for use with hydrogen peroxide and an affinity-enzymatic compound of formula A-C-B, wherein A is a detecting agent having affinity for the analyte, B is an enzymatic visualizing agent consisting of peroxidase and C is a binding agent linking the detecting and visualizing agents together. The multilayer analytical element of the invention comprises a solid support and a hydrophilic layer thereon, the hydrophilic layer being formed of gelatin, polyvinyl alcohol or a mixture thereof and containing a developing agent and a hydrophobic color-producing agent in a total amount of 5 to 30 weight %, the developing agent and the color-producing agent being present in a weight ratio of 1:0.3 to 1:3.0. The developing agent is capable of undergoing oxidation by the hydrogen peroxide in the presence of the peroxidase bound via the binding and detecting agents to the analyte on the substrate, whereby the developing agent in oxidized form reacts with the color-producing agent to form a colored product having a color indicative of the level of analyte.
Patent BR-9612636-A (BR)
Inventor: CLOVER RAINER
IPC: A01N47/30
Filed: 1996-06-05
Abstract: The invention provides a means of inhibiting bacterial growth particularly on a coated substrate. It comprises a method of forming a substantially dry powder coating containing a biocide, applying the powder coating composition to form a coating on the substrate, the biocide being capable of retaining effective biocidal activity in the coating.
Patent BR-9612750-A (BR)
Inventor: CEVC GREGOR
IPC: A61K/
Filed: 1996-10-17
Abstract: A composition (A) comprises liquid droplets suspended in a fluid (A) for the transport of at least one active agent, especially for medicinal or biological use, into and through barriers and constrictions such as the skin. The droplets are surrounded by a membrane-type shell made of one or a few layers of amphiphilic carrier substances (I). There are at least two, (Ia) and (Ib), carrier substances with different physico-chemical properties. (Ia) and (Ib) have solubilities in the suspension medium (usually water) that differ by a factor of at least 10. The content of solubilising components is less than 0.1 mol.%, based on the content of (I), so that the solubilising point of the droplets with shells is reached or the solubilising point cannot be reached. Also claimed is a process for the preparation of (A), where the content of amphiphilic components is chosen so that the permeability of (A) through constrictions is at least 10-5 of the permeability of small molecules, such as water.
Patent BR-9703298-A (BR)
Title: Meio detector para a detecção de material abrasivo
Inventor: WILLIAMS MICHAEL R
IPC: E21B47/10
Filed: 1997-05-21
Abstract: Patente de Invenção "MEIO DETECTOR PARA A DETECçãO DE MATERIAL ABRASIVO". Um meio detector para a detecção de material abrasivo que está sendo carregado por fluido que passa através de uma cabeça de poço inclui um bloco de erosão que possui uma passagem no seu interior e um furo que intercepta a passagem. Uma sonda é introduzida no furo do bloco de erosão, esta sonda possuindo uma zona de contato exposta à passagem quando a sonda é inserida no furo. A sonda possui uma primeira extensão de furo na sonda, para dentro da superfície da zona de contato. Esta primeira extensão de furo se comunica com um primeiro furo. é provido um primeiro meio transdutor de pressão para detectar a pressão no primeiro furo e na primeira extensão de furo ligada ao mesmo. O transdutor de pressão fornece uma saída elétrica indicativa de uma mudança da pressão no primeiro furo e está acoplado eletricamente a um meio para responder à saída elétrica do primeiro transdutor de pressão.
Patent BR-9705034-A (BR)
Inventor: PELEMAN GUIDO
IPC: B42F7/00
Filed: 1997-10-14
Abstract: File, consisting of a front sheet (2) and a rear sheet (3) made of a rigid material which are connected to each other by a flexible back (4), and whereby at least one of the said sheets (2-3) is provided with an inwardly directed flap (5) which is kept at its side edges by means of connecting pieces (6) at a distance from the concerned sheet (2-3) to which this flap (5) is attached characterized in that the connecting pieces (6) are at least attached to the concerned sheet (2-3) and the flap (5) by means of mere mechanical connections. <IMAGE>
Patent BR-9708749-A (BR)
Inventor: STOUFFER RONALD D
IPC: B05B1/10
Filed: 1997-04-15
Abstract: A <DEL-S DATE="20030304" ID="DEL-S-00001"/>vehicle washer nozzle<DEL-E ID="DEL-S-00001"/>  <INS-S DATE="20030304" ID="INS-S-00001"/>liquid spray <INS-E ID="INS-S-00001"/>system having a source of washer liquid under pressure, a fluidic oscillator comprising a housing and a fluidic insert having a power nozzle, an oscillation chamber having an upstream end coupled to the power nozzle for issuing a jet of <DEL-S DATE="20030304" ID="DEL-S-00002"/>washer<DEL-E ID="DEL-S-00002"/>  liquid into the oscillation chamber and a downstream end having an outlet aperture for issuing a jet of <DEL-S DATE="20030304" ID="DEL-S-00003"/>wash<DEL-E ID="DEL-S-00003"/>  liquid to ambient, and side and top and bottom walls, an oscillation inducing silhouette in the oscillation chamber for causing said jet of <DEL-S DATE="20030304" ID="DEL-S-00004"/>wash<DEL-E ID="DEL-S-00004"/>  liquid to rhythmically sweep back and forth between the sidewalls in the oscillation chamber. Top and bottom walls of the oscillation chamber first diverge for a predetermined distance in a downstream direction and then converge towards each other through said outlet aperture. This enables the deflection angle to be adjusted for different <DEL-S DATE="20030304" ID="DEL-S-00005"/>vehicles<DEL-E ID="DEL-S-00005"/>  <INS-S DATE="20030304" ID="INS-S-00002"/>uses <INS-E ID="INS-S-00002"/>and applications by changes to the fluidic insert without changes to the housing.
Patent BR-9800919-A (BR)
Title: Processo e aparelho para a producão de nitrogênio de elevada pressão e de oxigênio de elevada pressão por retificacão criogênica de ar de alimentacão.
Inventor: BONAQUIST DANTE PATRICK
IPC: F25J3/04
Filed: 1998-03-17
Abstract: "PROCESSO E APARELHO PARA A PRODUçãO DE NITROGêNIO DE ELEVADA PRESSãO E DE OXIGêNIO DE ELEVADA PRESSãO POR RETIFICAçãO CRIOGêNICA DE AR DE ALIMENTAçãO". Um sistema de retificação criogênica para o processamento de ar de alimentação no qual um grande fluxo definido de vapor de armazenagem de nitrogênio de elevada pressão é recuperado diretamente da coluna de pressão mais elevada de uma coluna dupla, oxigênio líquido pressurizado é vaporizado para produzir oxigênio produto de elevada pressão contra uma porção de ar de alimentação, e a porção de ar de alimentação condensado resultante é dividida em um modo definido e alimentada para dentro de cada uma das colunas de pressão mais elevada e de pressão mais baixa da coluna dupla.
Patent BR-9802266-A (BR)
Title: Composição melhorada de dispersão-viscosidade, processo para obtenção de uma composição melhorada de dispersão-viscosidade, produto, concentrado de aditivo e composição de óleo lubrificante.
Inventor: LANGE RICHARD M
IPC: C10N20/04
Filed: 1998-06-05
Abstract: "COMPOSIçãO MELHORADA DE DISPERSãO-VISCOSIDADE, PROCESSO PARA OBTENçãO DE UMA COMPOSIçãO MELHORADA DE DISPERSãO VISCOSIDADE, PRODUTO, CONCENTRADO DE ADITIVO E COMPOSIçãO DE óLEO LUBRIFICANTE", consistindo de melhoradores de viscosidade-dispersantes para composições de óleos lubrificantes compreendem o produto de reação de reagentes olefínicos de peso molecular mais elevado com reagentes carboxílicos da fórmula R3C(O) (R4)nC(O)OR5 (IV) ou os acetais, hemiacetais, cetais e hemicetais correspondentes dos mesmos, que são então reagidos com pelo menos um de amónia, uma hidrazina ou uma amina.