baber/WOPTO huggingface dataset:
Patent BR-0303472-A (BR)
Title: Processo para obtenção de tântalo, nióbio e urânio de alta pureza por extração lìquido-lìquido
Inventor: CUNHA JOSE WALDEMAR SILVA DIAS
IPC: C01G35/00
Filed: 2003-09-05
Abstract: "PROCESSO PARA OBTENçãO DE TâNTALO, NIóBIO E URâNIO DE ALTA PUREZA POR EXTRAçãO LìQUIDO-LìQUIDO". A presente invenção refere-se a um processo de extração por solvente, em baterias de misturadores-decantadores de múltiplos estágios, com uma mistura de dois extratantes para obtenção de tântalo e/ou nióbio de alta pureza contido em compostos ou minérios que contenham ou não urânio associado. é apresentado também um processo de recuperação do urânio contido nestes minérios ou compostos. O processo compreende as seguintes etapas: dissolução de compostos ou de minérios em ácido fluorídrico ou um sal que seja fonte de fluor, combinado ou não com ácido sulfúrico, produzindo uma solução aquosa ácida concentrada em tântalo e/ou nióbio; ajuste de acidez desta solução com ácido sulfúrico e/ou água; extração do tântalo e/ou nióbio com a mistura dos extratantes; lavagem para remoção de impurezas; reextração seletiva do nióbio da fase orgânica com bifluoreto de amónio ou com água levemente acidulada; segunda lavagem do solvente para remoção de impurezas; reextração do tântalo da fase orgânica com uma solução de sais de amónio para obtenção do heptafluortantalato de amónio solúvel em água, de elevada pureza e com alto rendimento; precipitação das soluções de nióbio e de tântalo reextraídas com amónio; obtenção dos óxidos de tântalo e de nióbio e/ou do fluortantalato de potássio. O óxido de tântalo e o fluortantalato de potássio obtido por este processo têm uma pureza acima de quatro noves (99,99%) e com rendimento acima de 99%.
Patent BR-0308167-A (BR)
Inventor: HEUTS MARTIN PETER JOSEPH
IPC: C09D7/80
Filed: 2003-03-07
Abstract: A process including the polymerization of a reactive diluent, which is present in an aqueous dispersion that further includes an epoxy-amine material, is disclosed. The resulting composition is useful as a coating composition.
Patent BR-0310078-A (BR)
Inventor: LAURI ERIK
IPC: B60W10/10
Filed: 2003-05-07
Abstract: Procedure for upshifting gear in a motor vehicle, comprising an internal combustion engine (1) with an engine-braking device (52), an automated disk-clutch (3), a multi-stage gearbox (9), in the casing (8) of which an input shaft (7), an intermediate shaft (11) and a main shaft (10) are mounted, and braking means (50) for braking the intermediate shaft (11), and where, when the upshifting takes place, the disk clutch (3) is disengaged and the intermediate shaft (11) is disengaged from the main shaft (10), the braking means (50) being activated so that the rotational speed of the intermediate shaft (11) is adapted to the next gear selected at the same time as the rotational speed of the engine (1) is adapted to the rotational speed of the input shaft (7) in the new gear by virtue of the engine-braking device (52) being activated.
Patent BR-0312336-A (BR)
Title: Chumaceira articulada para chassi de veìculos utilitários
Inventor: BUHL MANFRED
IPC: F16F1/393
Filed: 2003-12-15
Abstract: "CHUMACEIRA ARTICULADA PARA CHASSI DE VEìCULOS UTILITáRIOS". A presente invenção refere-se uma junta elástica para chassis em veículos utilitários que como tal representa uma junta. A presente invenção refere-se especialmente a duas variações de uma junta para a junção mecãnica elástica de dois componentes de máquinas, especialmente na construção automobilística, possuindo uma garra 1 e uma caixa 13, 14, sendo que a garra 1 constitui um segmento central 4 e duas áreas extremas 2, a garra 1 é uma peça rotativa de rotação simétrica, e a caixa 13, 14 consiste em pelo menos duas buchas 5, 6, 7; 7, 15 concentricamente encaixadas uma na outra que juntas definem um cilindro oco e cujo espaço intermediário 8, 9, 16 é preenchido com material elástico, de modo que a garra 1 cercada pela bucha interna 5, 15 é móvel em relação à bucha cilíndrica externa 7 e às outras buchas 6, 7 da caixa 13, 14 de modo cardânico.
Patent BR-0312515-A (BR)
Title: Linha de transferência
Inventor: GROB BURKHART
IPC: B23Q41/02
Filed: 2003-07-07
Abstract: "LINHA DE TRANSFERêNCIA". A presente invenção refere-se a uma linha de transferência compreendendo diversas estações que são usadas para processamento de peças a trabalhar e são conectadas uma à outra por meio de um curso de transportador em que as peças a trabalhar ou os suportes que suportam as peças a trabalhar são transportados de estação para estação. A invenção é caracterizada pelo fato de que pelo menos uma das estações é concretizada de maneira rígida, de preferência, como uma máquina de gancho, a referida estação sendo dotada de uma unidade de controle autónoma, que controla os processos de trabalho da estação.
Patent BR-0314018-A (BR)
Inventor: ZOPPAS MATTEO
IPC: B05C3/02
Filed: 2003-09-10
Abstract: A process and device for drying the coating of containers made of thermoplastic material. The process involves feeding said containers through a furnace divided into two areas: in the first, most of the solvent of the coating is removed by heating the paint with infrared lamps, while the temperature of the containers is controlled through an airflow; in the second, the remaining solvent is removed using said airflow coming from the first area of the furnace.
Patent BR-0318332-A (BR)
Inventor: BARTESAGHI ANGELO
IPC: B41F35/06
Filed: 2003-12-19
Abstract: A method and a device for cleaning a cylinder of a printing press-in particular of a flexographic printing press-are described wherein a layer of ink to be transferred to a web substrate to be printed-such as paper, plastic film and the like-is deposited on said cylinder ( 1 ) and wherein a fluid suitable to detach impurities from the area concerned is sent onto the surface of the cylinder ( 1 ) to be cleaned and a suction is provided to remove said impurities from the cylinder surface, said cleaning fluid being vapour.
Patent BR-8400504-A (BR)
Inventor: WALL GEORGE WILSON
IPC: B01D25/12
Filed: 1984-02-06
Abstract: @ The outer tubular assembly (4) of the tube pressure filter comprises a cylindrical member (36) and, at each end, an end assembly comprising two annular members (38 and 40) which are releasably secured to the cylindrical member (36) by a split retaining ring (42). The two annular members define a cavity (62) for receiving the lip of a diaphragm (18, Figure 1). The axially inner annular member (38) defines, with the cylindrical member (36) an annular chamber (56) for receiving fluid under pressure and an annular slot (58) for allowing the fluid to flow between the chamber (56) and the interior of the pressure filfter. The split retaining ring (42) engages a groove (52) in the cylindrical member (36), so securing the end assembly to the cylindrical member (36) without the need for welding.
Patent BR-8603196-A (BR)
Inventor: EHRFELD WOLFGANG
IPC: C25D1/08
Filed: 1986-07-08
Abstract: The present invention relates to a method for producing spinning nozzle plates having funnel-shaped preliminary channels in flow communication with nozzle capillaries. Two embodiments of the method are provided which use photolithographic and electrodeposition techniques. Common to both embodiments of the method is the use of a metal plate provided with funnel-shaped preliminary channels as a self-aligning irradiation mask for irradiating a photoresist layer provided on the metal plate. Nozzle capillaries subsequently defined either in an electrodeposited layer according to a first embodiment of the invention or in electrodeposited tubular projections according to a second embodiment of the invention, have an offset-free, continuous transition between themselves and the preliminary channels. Photolithographic and electrodeposition techniques may also be used to define the funnel-shaped preliminary channels in the metal plates.
Patent BR-8603947-A (BR)
Inventor: CONE ROBERT L
IPC: B65D23/10
Filed: 1986-08-19
Abstract: A container for liquid is provided with a passage (16) into which the user's hand and arm may be inserted, in order to grip a post (24) for purposes of pouring the contents of the container. The post (24) is disposed within the passage (16), preferably on the side of the container centre line where the pouring spout (14) is provided.
Patent BR-8800608-A (BR)
Inventor: BENNET PETER GORDON
IPC: D21F/
Filed: 1988-02-12
Abstract: A conventional single faced corrugated board manufacturing plant is modified to produce corrugated board having two fluted mediums bonded at their flute tips. In addition to the existing corrugating rolls (10, 11) a further pair of corrugating rolls (34, 35) synchronized with the existing pair are provided so that the corrugated mediums (22, 23) are contacted at their flute tips. An additional mill roll stand is provided for the second fluted medium. A carrier roll (36) is provided adjacent to the pairs of corrugating rolls to take off the bonded fluted mediums and provide support and prevent uncontrolled movement of the flute to flute structure during the development of the adhesion bond. Adhesive applicators (37) are provided to apply adhesive to one of the mediums prior to the flute tip to flute tip bonding and to coat the flute tips of the bonded fluted structure on the carrier roll for bonding to the inner (21). An additional guide roll (38) is provided to allow tangential approach for the liner onto the flute to flute structure carried by the carrier roll. Radiant energy is used to assist in bonding the inner to the flute to flute tip structure enabling a low pressure bonding technique to be used.
Patent BR-8801954-A (BR)
Inventor: DUENWALD WILLI
IPC: C09D135/00
Filed: 1988-04-22
Abstract: The invention relates to a process for the production of coatings based on polymers having a hydantoin structure by reacting blocked polyisocyanate carrying carbodiimide and/or uretone imine groups with alpha , beta -unsaturated diicarboxylic acids or derivatives thereof at 50 DEG  to 700 DEG  C. said reaction being carried out on the substrate to be coated.
Patent BR-8807376-A (BR)
Inventor: DOUGAN GORDON
IPC: C12N15/11
Filed: 1988-12-22
Abstract: An attenuated microorganism harbouring two mutated genes, each of which is located in the organisms aromatic pathway is provided. These organisms can usefully form the basis of a vaccine. They can be genetically engineered so as to express antigens from other pathogens and thus form the basis of a range of multi-valent vaccines.
Patent BR-9001993-A (BR)
Inventor: KOENIG LARRY E
IPC: B02C19/22
Filed: 1990-04-27
Abstract: An auger shredder and feeder system includes a primary housing (10) for receiving material to be ground and shredded. A primarily auger (60) is rotatably mounted within a grinding chamber (14) formed in the housing. An extrusion tube (30) receives material ground and shredded within the grinding chamber. A secondary housing (44) having a generally tubular side wall communicates with the extrusion tube (30). A secondary auger (72) is rotatably mounted within the secondary housing (44). Material deposited in the primary housing is crushed and shredded, then pumped by the primary auger (60) through the extrusion tube (30) where it forms a plug of material. As the plug progresses into the secondary housing (44), it is further shredded and compressed by the secondary auger (72).
Patent BR-9003810-A (BR)
Inventor: CHAMBERLIN WILLIAM B III
IPC: C10N10/02
Filed: 1990-07-30
Abstract: A lubricating oil composition is described which is useful in spark-ignited engines which may be fueled with gasoline, alcohol, or mixtures of both. More particularly, lubricating oil compositions for spark-ignited engines are described which comprise (A) an oil of lubricating viscosity; (B) at least one detergent selected from the group consisting of a basic magnesium salt of an organic acid or a mixture of at least one basic magnesium salt of an organic acid and another alkaline earth metal salt of an organic acid wherein the metal in the mixture is predominantly magnesium; and (C) at least one metal salt of (C-1) a substituted succinic acid acylated polyamine; or (C-2) a hydrocarbon-substituted aromatic carboxylic acid containing at least one hydroxyl group attached to an aromatic ring, provided that the metal of said metal salt (C) is not calcium or magnesium. Lubricants primarily useful for lubricating alcohol-fueled, spark-ignited engines also are described which comprise (A) a lubricating oil, (B) a detergent as described above, and (D) at least one carboxylic acid derivative composition useful as a dispersant. The oil compositions of the invention also may contain, and generally do contain other desirable additives such as (E) mixtures of metal salts of dihydrocarbyl phosphorodithioic acids; (F) sulfurized olefins; etc. In one embodiment, the oil compositions of the present invention contain the above additives and other additives described in the specification in amounts sufficient to enable the oil to meet all the performance requirements of the API Service Classification identified as "SG".
Patent BR-9006874-A (BR)
Inventor: BASTIOLI CATIA
IPC: C08L1/00
Filed: 1990-08-01
Abstract: PCT No. PCT/EP90/01253 Sec. 371 Date Mar. 27, 1991 Sec. 102(e) Date Mar. 27, 1991 PCT Filed Aug. 1, 1990 PCT Pub. No. WO91/02024 PCT Pub. Date Feb. 21, 1991.Polymer compositions useful for the production of articles of biodegradable plastics material with improved biodegradability include destructed starch and a polymer selected from the group consisting of ethylene-vinyl alcohol, polyvinyl alcohol and mixtures thereof wherein at least a portion of the said polymer is modified by the substitution of from 0.1 to 5 molar % of the functional alcohol groups in the polymer chain by X groups in which X is an oxo or an alkyl carbonyl group in which the alkyl group contains from 1 to 4 carbon atoms.
Patent BR-9206011-A (BR)
Inventor: ABERG BO-CHRISTER
IPC: D21F3/00
Filed: 1992-05-22
Abstract: PCT No. PCT/SE92/00344 Sec. 371 Date Nov. 18, 1993 Sec. 102(e) Date Nov. 18, 1993 PCT Filed May 22, 1992 PCT Pub. No. WO92/20858 PCT Pub. Date Nov. 26, 1992.A press is devised for a papermaking machine. The press is of the type having a rotary press roll, a substantially stationary pressure shoe, and a press belt running in an endless path around the pressure shoe between this and the press roll and having a substantially impermeable inner surface facing the pressure shoe. A separate, endless reinforcing belt enclosing the press belt is in frictional engagement over the entire length of the press belt so as to run together in the press belt in the endless path. The reinforcing belt may be prestressed, e.g. by shrinkage, in its running direction and, optionally, also transversally thereof. According to a second aspect, the invention relates to a method of modifying a press of the type indicated above, in which method the press belt is enclosed by a separate, endless reinforcing belt of the above-indicated type.
Patent BR-9301244-A (BR)
Inventor: HOORN BART VAN
IPC: B29C33/60
Filed: 1993-03-19
Abstract: A biodegradable oil and water emulsion release composition for facilitating the unmoulding of hydraulic bonding material comprises as the oil component an ester of a hindered polyhydric alcohol having no hydrogen atoms attached to any carbon atom in a beta-position to any hydroxyl group and a straight or branched chain, saturated or unsaturated C4-C24 monocarboxylic acid. The ester may be partial and the partial ester may be alkoxylated. In a preferred embodiment also a straight or branched chain, saturated or unsaturated C8-C24 monohydric alcohol is present. Also a method of unmoulding has been described.
Patent BR-9302890-A (BR)
Inventor: CASELLI GIANCARLO
IPC: C08J3/215
Filed: 1993-07-16
Abstract: Disclosed is a process for adding stabilizers and, optionally, additives to polyolefins in particle form obtained in liquid monomer by means of Ziegler-Natta catalysts, wherein the addition of stabilizers and, optionally, additives is carried out in liquid monomer in a step that follows polymerization, but precedes the flashing of the liquid monomer, after the aluminum alkyl has been deactivated.
Patent BR-9305579-A (BR)
Inventor: BATTERHAM ROBIN JOHN
IPC: C02F3/14
Filed: 1993-07-09
Abstract: PCT No. PCT/AU93/00340 Sec. 371 Date Mar. 16, 1994 Sec. 102(e) Date Mar. 16, 1994 PCT Filed Jul. 9, 1993 PCT Pub. No. WO94/01210 PCT Pub. Date Jan. 20, 1994.A reactor for introducing gas into a fluid comprises a mixing tank (12, 43) for the fluid and a partition means (13,45) for dividing the tank into at least two chambers (21, 89) and (23, 91). The reactor further comprises a first pump means (14, 47) located in one of the chambers for circulating the fluid downwards in one chamber and then upward in the other chamber and an aerator assembly (29, 49) for aerating a sidestream of the fluid and introducing the aerated fluid into the tank for mixing the aerated fluid with the circulating fluid in the tank. The aerator assembly comprises a bank of venturi aerators (38, 57) each having an aerator inlet; an aerator outlet; and a constriction intermediate the aerator inlet and the aerator outlet for creating a region of reduced pressure in the fluid, the constriction being elongate in a section transverse to the direction of flow of the fluid through the constriction; and a means for introducing the gas into the constriction to aerate the fluid.
Patent BR-9306859-A (BR)
Inventor: FALLING STEPHEN NEAL
IPC: B01J31/40
Filed: 1993-07-30
Abstract: Disclosed is a process for the recovery of catalyst values from mixtures of catalyst compounds and oligomeric materials. The process provides for the separation of (i) an onium iodide compound, (ii) an organotin iodide compound, or (iii) a mixture thereof from a mixture thereof in an oligomer of a  gamma , delta -epoxy-alkene by the steps of (1) intimately contacting the mixture with an extraction solvent selected from hydrocarbons having about 5 to 12 carbon atoms; (2) allowing the mixture of step (1) to separate into 2 phases; and (3) recovering the extraction solvent phase containing iodide compounds (i) and (ii). The oligomer mixture of compounds (i) and/or (ii) is formed during the manufacture of 2,5-dihydrofurans by the isomerization of  gamma , delta -epoxyalkenes.
Patent BR-9407781-A (BR)
Inventor: HEBERT MARK P
IPC: H04L69/14
Filed: 1994-10-05
Abstract: A method of operating a programmable telecommunication switch comprising controllable-switching means for dynamically connecting or disconnecting communication paths between various ones of a plurality of ports or channels in response to messages generated by a host device, the method comprising the steps of defining one or more protocols associated with the processing of incoming or outgoing calls, wherein each of the one or more call-associated protocols is represented by a finite state machine and configured to perform even processing, and further wherein different ones of the one or more protocols may be assigned to different ports or channels, detecting the occurrence of an event at one of the plurality of ports or channels, dynamically selecting one of the one or more call associated protocols for processing the occurring event, and performing the selected protocol to process the occurring event.
Patent BR-9408393-A (BR)
Inventor: FRISCH GERHARD DR
IPC: A01N25/30
Filed: 1994-12-14
Abstract: PCT No. PCT/EP94/04142 Sec. 371 Date Sep. 5, 1996 Sec. 102(e) Date Sep. 5, 1996 PCT Filed Dec. 14, 1994 PCT Pub. No. WO95/17088 PCT Pub. Date Jun. 29, 1995The present invention relates to oil-in-water emulsions containing 0.001 to 70% by weight of at least one active substance from the group consisting of phosphates, thiophosphates and/or carbamates, 0.001 to 30% by weight of one or more surfactant compounds from the group consisting of ethoxylated fatty amines or of phosphorylated fatty amine ethoxylates, and also, if desired, adjuvants and water to make up 100% by weight.
Patent BR-9506590-A (BR)
Inventor: NODA ISAO
IPC: A61F13/15
Filed: 1995-01-13
Abstract: The present invention relates to fibers, and nonwovens comprising said fibers, comprising a biodegradable copolymer, wherein the copolymer comprises at least two randomly repeating monomer units (RRMU) wherein the first RRMU monomer unit has the structure and the second RRMU has the structure wherein at least 50% of the RRMUs have the structure of the first RRMU. The present invention further relates to an absorbent article comprising a liquid previous topsheet, a biodegradable liquid impervious backsheet comprising the above fibers and/or nonwovens, and an absorbent core positioned between the topsheet and the backsheet.
Patent BR-9506720-A (BR)
Inventor: BAYER HERBERT
IPC: C07C251/44
Filed: 1995-01-03
Abstract: Phenylacetic acid derivatives of the formula I
Patent BR-9509025-A (BR)
Inventor: RICE DAVID EARL
IPC: A61K8/60
Filed: 1995-09-25
Abstract: Oral compositions, such as oral gels and toothpastes, containing a novel abrasive.
Patent BR-9510549-A (BR)
Inventor: ALBER GERHARD
IPC: B23K26/08
Filed: 1995-12-22
Abstract: PCT No. PCT/EP95/05108 Sec. 371 Date Jan. 26, 1998 Sec. 102(e) Date Jan. 26, 1998 PCT Filed Dec. 22, 1995 PCT Pub. No. WO96/30160 PCT Pub. Date Oct. 3, 1996A process and device for continuous butt-welding of metal sheets, in particular for car body building in the car industry, by beam welding. According to this device and process it is outlined that a precise abutting and welding of metal sheets is feasible without a precise alignment of metal sheets to be welded and laid on transport paths. This is accomplished by a special control of metal sheets to be welded together and by seam position sensors.
Patent BR-9607770-A (BR)
Inventor: WENZEL ROBERT J
IPC: H01P1/208
Filed: 1996-03-25
Abstract: An apparatus and method for forming a housing assembly. The assembly comprises a first part with protrusions spaced along at least one surface which fit into through-holes in a second part and which may, when the parts are placed together, be peened such that the protrusions fill the through-holes and join the parts. The method comprises fabricating a first part with protrusions and a second part with through-holes, joining the parts together such that the protrusions mate with the through-holes, and peening the protrusions such that they fill the through-holes and join the parts.
Patent BR-9607955-A (BR)
Title: Disposição em árvore eletricamente iluminada
Inventor: LALA JAMNADAS THAKURDAS
IPC: A47G33/04
Filed: 1996-02-28
Abstract: "DISPOSIçãO EM áRVORE ARTIFICIAL ELéTRICAMENTE ILUMINADA". O presente resumo refere-se a um pedido de patente de invenção para árvore artificial possuindo um tronco e vários receptáculos dispostos no mesmo. Uma pluralidade de membros "galhos", possuindo um plugue "macho" em uma das extremidades, são inseridos nos receptáculos, ficando presos a estes. Um membro suporte e provido e acoplado a uma extremidade do tronco, o qual provê fornecimento de corrente elétrica. Contém uma pluralidade de membros de iluminação elétricamente conectados em membros tipo "folha" nos galhos, para simular a aparência de uma árvore natural iluminadas de forma compacta os componentes do aparelho; por carcaça de fechamento (15) montada na estrutura.
Patent BR-9609855-A (BR)
Inventor: JONES DEREK THOMAS EDWARD
IPC: C07C35/29
Filed: 1996-07-25
Abstract: PCT No. PCT/GB96/01813 Sec. 371 Date Dec. 23, 1997 Sec. 102(e) Date Dec. 23, 1997 PCT Filed Jul. 25, 1996 PCT Pub. No. WO97/05093 PCT Pub. Date Feb. 13, 1997A cycloalkanol is prepared by cycloaddition between a diene and a vinyl ester, wherein the ester is derived from a carboxylic acid of sufficient molecular weight to enable the reaction to be carried out at atmospheric pressure while above 150 DEG  C., and the corresponding reaction between the diene and vinyl acetate generates a pressure above 4 atmospheres.