baber/WOPTO huggingface dataset:
Patent IE-66349-B1 (IE)
Title: A cutting terminal contact
Inventor: GERKE DIETER
IPC: H01R4/24
Filed: 1991-04-26
Abstract: The invention relates to a cutting/clamping contact (1) for contacting an insulated cable core (5), comprising two contact legs (2, 3) made of a blade-type, resilient metal material, between the inner sides (13, 14; 23, 24) of which an upwardly open contact slot (4) with an enlarged wire introduction section (7) is formed. In order to provide a cutting/clamping contact (1) which allows for contacting cable cores (5) having a thick insulation (6) as well as cable cores having a thin conductive core (12), in particular with a ratio of insulation to conductive core diameter larger than 3, the inner side (13, 14; 23, 24) of at least one contact leg (2, 3) comprises, in the wire introduction section (7) an inclined surface (8, 9) forming a cutting edge (10) directed into the wire introduction section (10).
[US5131863A]
Patent IE-39591-B1 (IE)
Title: Shaped articles made of acrylonitrile polymers containing antistatic additves
IPC: C08G18/71
Filed: 1974-07-05
Abstract: The invention relates to shaped articles of acrylonitrile polymers containing an antistatic additives polyether polyurethane compounds of the general formula
[US3891718A]
Patent IE-41489-B1 (IE)
Title: Production of glucose isomerase
IPC: C12N1/20
Filed: 1975-07-08
Abstract: A process for the continuous production of glucose isomerase by maintaining a nutrient in the culture medium at a concentration which is limiting to growth. Preferably the growth limiting nutrient is the carbon source. The invention also covers a process for isomerizing glucose to fructose using continuously prepared glucose isomerase. Important conditions for culturing the glucose isomerase producing microorganism are the dissolved oxygen tension and dilution rate.
Patent IE-39839-B1 (IE)
Title: Improved method and apparatus for producing a meat analog
IPC: A23J3/00
Filed: 1974-09-06
Abstract: An improved apparatus is provided for economically producing meat analog products. According to the invention, at least one slurry comprising oil, water and coagulable protein is continuously mixed and layered. The layered slurry is heat set under moist heat to provide a cohesive mass without surface product drying. The heat set product is then sliced for marketing as is, or after subjecting it to varying degrees of frying. The preferred product is a partially fried bacon analog product.
[US3999474A]
Patent IE-53114-B1 (IE)
Title: Polyvalent metal ion chelating agents for xanthan solutions
IPC: C08L5/00
Filed: 1982-08-19
Abstract: A stable xanthan solution with superior filterability characteristics comprising biopolymer and a chelating agent selected from aliphatic alpha-hydroxy acids having from 2-7 carbon atoms; aliphatic and aromatic beta-keto compounds having from 4-9 carbon atoms; or 2- and 4- pyrones having a hydroxyl group alpha to the carbonyl and having 5 or 6 carbon atoms; said chelating agent being present in an amount of at least 1.0 ppm of the total solution. A method of enhancing oil recovery comprising employing as a mobility control solution in oil-bearing formations a mixture of xanthan biopolymer and a chelating agent is also disclosed.
Patent IE-53309-B1 (IE)
Title: Pneumatic tire with thread of medium vinyl polybutadiene/rubber blend
IPC: B60C11/00
Filed: 1982-08-31
Abstract: Pneumatic tire<1> having a tread<2> composed of (A) medium vinyl polybutadiene rubber, (B) low vinyl polybutadiene rubber and, optionally, (C) cis 1,4-polyisoprene rubber. In a preferential aspect the medium vinyl polybutadiene is required to be of a type prepared by polymerizing 1,3-butadiene with a small amount of divinylbenzene in a hydrocarbon solvent with an alkyl lithium catalyst and in the presence of a polar catalyst modifier.
Patent IE-43780-B1 (IE)
Title: Piperidinoalkyl derivatives of purines
IPC: C07D473/34
Filed: 1976-10-29
Abstract: 1510764 Adenine derivatives BOEHRINGER MANNHEIM GmbH 4 Nov 1976 [7 Nov 1975] 45917/76 Heading C2C The invention comprises compounds of formula and their salts with pharmacologically compatible acids, wherein R 1 is H or C 1-6 alkyl, R 2 is H, C 1-6 alkyl or hydroxyalkyl, or cycloalkyl, or NR 1 R 2 forms a heterocyclic ring; and R 3 is H, halogen or C 1-6 alkyl or alkoxy. In examples, these compounds are prepared by reacting either (a) adenine, possibly N6-substituted, with a 3-[4-phenoxymethylpiperidino]- propyl chloride, or (b) the 6-chloro analogue of (I) with HNR 1 R 2 . Therapeutic compositions having a histaminicsuppressive and antihypertensive activity comprise compounds of the above formula and may be administered orally or parenterally.
Patent IE-66680-B1 (IE)
Title: The use of imexon as an immune suppressive
Inventor: HERREMANN DIETER
IPC: A61K31/415
Filed: 1989-07-27
Abstract: The present invention relates to the use of 4-imino-1,3-diazabicyclo[3.1.0]hexan-2-one (imexon) as an immunosuppressive agent. Imexon selectively suppresses  beta -lymphocyte activation and can be employed for the treatment of B-cell or plasma-cell leukaemia and neoplasms. Imexon is used in the treatment of those disorders in which polyclonal B-cell proliferation is of pathophysiological, symptomatic or clinical relevance such as, for example, for autoimmune diseases.
Patent IE-67045-B1 (IE)
Title: 1,3-Dihydro-1-(pyridinylamino)-2H-indol-2-ones a process for their preparation and their use as medicaments
Inventor: EFFLAND RICHARD CHARLES
IPC: A61K31/4427
Filed: 1990-08-01
Abstract: This invention relates to 1,3-dihydro-1-(pyridinylamino)-2H-indol-2-ones of the formula where R1, R2 and R3 are independently hydrogen, loweralkyl, aryl, arylloweralkyl or heteroarylloweralkyl selected from the group consisting of pyridinylmethyl, pyridinylethyl, thienylmethyl, thienylethyl; or R2 and R3 together form a cycloalkane ring of 4 to 6 carbons or a spiro-fused aryl cycloalkane or heterocycloalkyl selected from the group consisting of piperidine and tetrahydropyran; X and Y are independently hydrogen, halogen, hydroxy, loweralkyl, loweralkoxy, nitro, amino or trifluoromethyl; m and n are independently integers of 1 to 3, the pharmaceutically acceptable acid addition salts thereof and, where applicable the optical, geometrical and stereoisomers and racemic mixtures thereof and to a process for their preparation. The compounds of this invention display utility as analgesics, anticonvulsants, for enhancing memory and for the treatment of Alzheimer's disease.
Patent IE-59344-B1 (IE)
Title: 5- or 6-substituted beta-carboline-3-carboxylic acid esters
IPC: C07D471/04
Filed: 1986-11-25
Abstract: 5- or 6-substituted  beta -carboline-3-carboxylic acid esters of the formula I <IMAGE>  in which R<1> denotes hydrogen, nitrilo, halogen, lower alkyl or lower alkoxy and R<3> is a branched C3-6-alkyl group which is optionally substituted by halogen or a C3-6-cycloalkyl group which is optionally methyl- substituted, are useful pharmaceuticals.r
Patent IE-64044-B1 (IE)
Title: Non-solid ophthalmic composition and process for preparing the said composition
Inventor: ROZIER ANNOUK
IPC: A61K47/32
Filed: 1990-10-16
Abstract: The present invention relates to a non-solid ophthalmic composition, characterized in that it contains a suspension of microparticles in a non-solid medium compatible with ophthalmic application, the said solid microparticles having at least a pH of dissolution lying between approximately pH 4.5 and pH 8.5, the composition having a pH which does not permit dissolution of the microparticles before application but the formulation and the pH of the said composition being such that the neutralizing action of the lachrymal fluid can bring the pH back to the pH of dissolution.
Patent IE-67278-B1 (IE)
Title: Centrifuge control system having dual processors
Inventor: FRIES GERALD ELROY
IPC: B04B9/10
Filed: 1988-12-21
Abstract: The present invention relates to control architecture for a centrifuge motor speed control system having dual processors. The processors are configured in a master-slave relationship for some predetermined subset of instrument control functions during the execution of which the slave operates under the direction of the master to effect that subset of control functions. However, each of the processors is independently responsive to a speed signal from a tachometer and is indepenently capable of controlling the additional instrument control function of conditionally coupling the motor to a source of energy.
Patent IE-80849-B1 (IE)
Title: Compounds
Inventor: SCHICKANEDER HELMUT
IPC: A61K31/70
Filed: 1995-12-19
Abstract: Macrolide antibiotics which do not have an unpleasant taste are described. The compounds are salts of macrolide antibiotics with pamoic acid, especially roxithromycin emboate.
Patent LU-100939-B1 (LU)
Title: Système de test sur site de paramètres dynamiques de séisme
Inventor: GUO JIE
IPC: G01N3/00
Filed: 2017-10-12
Granted: 2019-04-25
Abstract: La présente invention fournit un système de test sur site de paramètres dynamiques de séisme, comprenant : une plate-forme de transport, un ensemble d'actionneur, un mécanisme de chargement d'asservissement d'alimentation et un mécanisme de commande de mesure ; l'ensemble d'actionneur est disposé sur la plate-forme de transport de manière rétractable ; l'ensemble d'actionneur comprend un cadre de force de réaction en forme de « porte », le cadre de force de réaction est prévu sur ses deux côtés d'un cylindre de support respectivement, et le cylindre de support est prévu d'une tige de piston rétractable ; le cadre de force de réaction est prévu a son milieu d'un cylindre de chargement vertical ; le cylindre de chargement vertical est prévu d'une tige de piston de chargement verticale, la tige de piston de chargement verticale est prévue a son fond d'une plaque de chargement appliquant une charge sur la terre ; le cadre de force de réaction est prévu aux deux côtés d'une poutre rétractable dans la direction verticale respectivement, la poutre rétractable est fixée sur la tige de piston de chargement vertical du cylindre de chargement vertical de manière rétractable par rapport au cadre de force de réaction ; la plaque de chargement est prévue a l'interieur d'un cylindre de chargement horizontal, le cylindre de chargement horizontal est prévu aux deux côtés d'une tige de piston de chargement horizontal respectivement, et les deux tiges de piston de chargement horizontaux sont fixées respectivement à une poutre rétractable.
Patent LU-500335-B1 (LU)
Title: Non-conductive superfine water mist fire extinguishing agent for inhibiting lithium ion battery fire and preparation method thereof
Inventor: DI JUNYI
IPC: A62D1/00
Filed: 2021-06-25
Granted: 2022-06-13
Abstract: The invention discloses a non-conductive superfine water mist fire extinguishing agent for inhibiting lithium ion battery fire and apreparation method thereof, wherein the non-conductive superfine water mist fire extinguishing agent comprises non-ionic fluorine surfactant, fatty alcohol polyoxyethylene ether, urea, dimethyl methylphosphonate and deionized water; by mass percent, non-ionic fluorine surfactant accounts for 0.25%, fatty alcohol polyoxyethylene ether accounts for 1.5%-2.5%, urea accounts for 0.32%-0.36%, dimethyl methylphosphonate accounts for 3.5%-4.5%, and the balance is deionized water. The invention adopts two types of additives to compound, the performance of the physical additive and the performance of the chemical additive are combined, and the special flame retardant dimethyl methylphosphonate for the lithium ion battery is introduced to achieve better fire extinguishing and flameretardant effects. Meanwhile, the non-ionic additive is selected as asolute, the deionized water is used as asolvent, the performance of the non-overfire battery is protected while the fire is extinguished, and the loss of accidents is reduced to the maximum extent.
Patent LU-501934-B1 (LU)
Title: Windkanal zur Herstellung von Strom
Inventor: KNAUS-LOUIS RAYMOND
IPC: B60L8/00
Filed: 2022-04-26
Granted: 2023-10-26
Abstract: Die vorliegende Erfindung betrifft eine Vorrichtung zur Herstellung von Strom, wenn die Vorrichtung in Bewegung ist, enthaltend: - mindestens einen Kanal (1) enthaltend mindestens einen Propeller (2), - mindestens eine Lichtmaschine (Dynamo) (3), - mindestens eine Batterie (4), - mindestens eine Luftrampe (6), wobei mindestens eine Achse (5) den Kanal (1) in seiner Breite durchsetzt und den Propeller (2) mit der Lichtmaschine (Dynamo) (3) verbindet, wobei die Lichtmaschine (Dynamo) (3) mit der Batterie (4) in Verbindung ist.
Patent LU-501989-B1 (LU)
Title: Method for producing resvertrol-enriched eggs
Inventor: WU CHUNNAN
IPC: A23K50/75
Filed: 2022-05-02
Granted: 2022-11-02
Abstract: The present disclosure relates to a method for producing resveratrol-enriched eggs. The method utilizes the metabolism and transformation of resveratrol in laying hens and the promoting effect of ginkgo biloba and tea polyphenols on the metabolism and transformation of resveratrol. Specific feed additives, which is composed of resveratrol, ginkgo biloba and tea polyphenols in a weight ratio of 10-20: 50-70: 10-40, are added to a laying hen feed in an amount of 1%-2.5%, and laying hens are fed for 10-30 days to obtain resveratrol-enriched eggs. The method improves the nutritional value and added value of eggs. The eggs can exert the function of resveratrol contained in eggs, which can improve the antioxidant function of mice and can regulate the immune function of mice, while providing full-value nutrition. In addition, the method significantly enhances the nutritional value and economic value of eggs.
Patent LU-503915-B1 (LU)
Title: The application of intermediate mononuclear cells in the preparation of drugs for diagnosis and prediction of AD
Inventor: DAI ZHENGQIAN
IPC: C07K16/28
Filed: 2023-04-11
Granted: 2023-10-16
Abstract: The invention discloses the application of intermediate mononuclear cells in the preparation of drugs for diagnosis and prediction of AD. This will open new doors to a better understanding of Alzheimer's disease mechanisms and may lead to the development of entirely new therapeutic directions to prevent Alzheimer's disease.
Patent NO-300329-B1 (NO)
Inventor: AMBROSIUS DOROTHEA
IPC: C12R1/19
Filed: 1992-02-20
Abstract: A method for activating recombinant proteins which are in an at least partially inactive form, in which solubilisation and/or renaturation techniques known per se are used to activate a protein which contains at its N and/or C terminus additional helper sequences with a length of 2 to 50 amino acids, where the relative hydrophobicities of these helper sequences, calculated as the total of the relative hydrophobicities, indicated in Table 1, of the individual amino acids, have a negative numerical value. <IMAGE>
Patent NO-301930-B1 (NO)
Inventor: LIM GARY M F
IPC: A61P31/04
Filed: 1992-09-09
Abstract: The present invention provides an anhydrous acylation process for the preparation of antibiotic, cefepime dihydrochloride hydrate which is substantially free of the anti-isomer and the  DELTA <2> isomer comprising the N-acylation of a silylated derivative of 7-amino-3-[(1-methyl-1-pyrrolidinio)-methyl]ceph-3-em-4-carboxylate with the syn-isomer of 2-(2-aminothiazol-4-yl)-2-methoxyimino acetyl chloride hydrochloride.
Patent NO-313593-B1 (NO)
Inventor: JACQUES FASTREZ
IPC: C12Q1/25
Filed: 1994-05-10
Abstract: A method for selecting recombinant micro-organisms of which the surface comprises at least one molecule having enzymatic activity, wherein the recombinant micro-organisms are immobilized on a solid support by a covalent inhibitor of the active site of said molecule, which is connected to the solid support by an arm; the recombinant micro-organisms are recovered and all or part of their genome is isolated and cloned.
Patent NO-303221-B1 (NO)
Inventor: DICKENS JONATHAN PHILIP
IPC: A61K31/395
Filed: 1995-01-20
Abstract: Compounds of formula (V) : <CHEM> wherein R2 represents a group R6-A- wherein A represents a divalent straight or branched, saturated or unsaturated hydrocarbon chain of up to 6 C atoms which may be interrupted by an O or S atom, and R6 represents hydrogen or an optionally substituted phenyl, cycloalkyl or cycloalkenyl group; and the groups R12 and R13 are hydrogen, alkyl, phenyl or substituted phenyl; and activated derivatives thereof are useful as intermediates in the preparation of matrix metalloproteinase inhibitors..
Patent NO-304097-B1 (NO)
Inventor: GIDTSKE KARL
IPC: A47D7/00
Filed: 1997-03-20
Abstract: An arrangement for ventilation of a cot, cradle, carrycot or perambulator carrycot, comprising a substantially flat bottom, closed side walls extending vertically upwards from the bottom, and a substantially open top, and also a head end and a foot end. At least one of the closed side walls is equipped with at least one ventilation aperture at the head end of the cot or carrycot, close to the bottom of the cot or carrycot at a level that is above any mattress that might be placed therein, or the bottom of the cot or carrycot is equipped with such an aperture, with a corresponding opening or slit in the mattress.
Patent NO-313137-B1 (NO)
Inventor: MEY MARGARETHA VAN DER
IPC: A61P37/02
Filed: 1999-07-02
Abstract: PCT No. PCT/EP98/00124 Sec. 371 Date Jul. 14, 1999 Sec. 102(e) Date Jul. 14, 1999 PCT Filed Jan. 12, 1998 PCT Pub. No. WO98/31674 PCT Pub. Date Jul. 23, 1998Compounds of formula I wherein R1, R2, R3, R4 and R5 have the means set forth in the description are selective cyclic nucleotide phosphodiesterase (PDE) inhibitors (specifically of type 4), which are effective bronchial therapeutics.
Patent AT-522402-B1 (AT)
Title: Verfahren und Vorrichtung zum Bohren von Löchern in Boden- oder Gesteinsmaterial
Inventor: René Egger
IPC: E21B10/38
Filed: 2019-04-11
Granted: 2022-12-15
Abstract: Bei einem Verfahren sowie einer Vorrichtung (1) zum Bohren, insbesondere Schlag- oder Drehschlagbohren, von Löchern in Boden- oder Gesteinsmaterial (3), wobei eine an einem Bohrgestänge (4) gelagerte Bohrkrone (5) ein Bohrloch (2) ausbildet und wobei während des Bohrvorgangs ein Spülfluid in den Bereich vor der Bohrkrone (5) einbringbar und gemeinsam mit abgebautem Material (15) aus dem Bohrloch (2) ausbringbar ist, ist vorgesehen, dass die Bohrkrone (5) von einer zentralen bzw. mittigen Pilotbohrkrone (6) und einer die Pilotbohrkrone (6) umgebenden Ringbohrkrone (7) gebildet ist und dass wenigstens eine Austrittsöffnung (27) für das Einbringen des Spülfluids vor die Abbaufläche (9) in der Ringbohrkrone (7) ausgebildet ist und wenigstens eine Durchtrittsöffnung (14) für ein Ausbringen des Spülfluids mit dem abgebauten Material in der Pilotbohrkrone (6) ausgebildet ist, wodurch eine zuverlässige und sichere Ausbringung des gesamten abgebauten Materials (15) aus dem Bohrloch (2) möglich wird.
Patent AT-510437-B1 (AT)
Title: Led-lichtmodul und fahrzeugscheinwerfer
Inventor: DANNER MARKUS DIPL ING
IPC: F21S8/12
Filed: 2011-02-16
Granted: 2012-04-15
Abstract: Die Erfindung betrifft ein LED-Lichtmodul (1) für ein Kraftfahrzeug bzw. für einen Scheinwerfer für ein Kraftfahrzeug, wobei das Lichtmodul (1) eine Linse (2) und zumindest eine Primär-LED-Lichtquelle (8) umfasst, wobei in Lichtaustrittsrichtung gesehen zwischen der zumindest einen Primär-LED-Lichtquelle (8) und der Linse (2) ein Lichttunnel (11) zum direkten Durchtritt von zumindest einem Anteil des von der zumindest einen Primär-LED-Lichtquelle (8) emittierten Lichtes vorgesehen ist, wobei das durch den Lichttunnel (11) austretende Licht der zumindest einen Primär-LED-Lichtquelle (8) über die Linse (2) zur Erzeugung einer Hauptlicht-Funktion oder eines Beitrages zu einer Hauptlicht-Funktion in den Bereich vor dem Kraftfahrzeug projiziert wird, wobei der Lichttunnel (11) aus einem zumindest bereichsweise, vorzugsweise im gesamten Bereich transparenten Material gebildet ist, ein Halter (3) zum Halten des Lichttunnels (11) vorgesehen ist, wobei der Halter (3) zumindest bereichsweise, vorzugsweise vollständig transparent ausgebildet ist, und wobei zumindest eine Sekundär-LED-Lichtquelle (9) vorgesehen ist, welche in Bezug auf den Lichttunnel (11) derart angeordnet ist, dass das von der zumindest einen Sekundär-LED-Lichtquelle (9) emittierte Licht im Wesentlichen auf den Halter (3) emittiert wird, und wobei die den Lichttunnel (11) begrenzende Wandung (10', 11', 12') zumindest bereichsweise Licht reflektierend ausgebildet ist.
Patent AT-506529-B1 (AT)
Title: Schwellensohle
IPC: E01B3/28
Filed: 2008-03-06
Granted: 2010-05-15
Abstract: Schwellensohle (1) für eine Eisenbahnschwelle (2) mit zumindest einer ersten elastischen, vorzugsweise elastomeren, Schicht (3) und zumindest einer zweiten elastischen, vorzugsweise elastomeren, Schicht (4), wobei zwischen der ersten elastischen Schicht (3) und der zweiten elastischen Schicht (4) eine Verstärkungsschicht (5) eingebettet ist, wobei die zweite elastische Schicht (4) eine äußere Oberfläche (6) der Schwellensohle (1) bildet und die Verstärkungsschicht (5) Fasermaterial aufweist
Patent AT-506984-B1 (AT)
Title: Sauerstoffblaslanze mit schutzelement
Inventor: KERSCHBAUM HELMUT
IPC: F27B3/22
Filed: 2008-06-17
Granted: 2010-06-15
Abstract: Die Erfindung betrifft eine Sauerstoffblaslanze (1) zur Stahlerzeugung mit Schutzelement, wobei das lanzenkopfseitige Ende des Sauerstoffhauptrohres (5) mit einer Abdeckschale (9) versehen ist, welche einen oder mehrere Auslässe (10a, 10b, 10c) aufweist, wobei an jedem Auslass (10a, 10b, 10c) eine Sauerstoffauslassdüse (11) ablös- und austauschbar befestigt ist, wobei das lanzenkopfseitigen Ende der Sauerstoffblaslanze (1) mit dem Schutzelement ablös- und austauschbar versehen ist und zwischen dem lanzenkopfseitigen Ende der Sauerstoffblaslanze (1) und dem Schutzelement ein Zwischenraum (13) vorhanden ist, wobei in dem Schutzelement Durchlässe vorhanden sind, durch welche die Sauerstoffauslassdüsen (11) von der Schale nach außen geführt sind, wobei diese Durchlässe jeweils so dimensioniert sind, dass zwischen Sauerstoffauslassdüse (11) und Schutzelement ein Spalt verbleibt, wobei in dem Schutzelement Öffnungen (12) vorhanden sind, und wobei mindestens eine in den Zwischenraum (13) zwischen dem lanzenkopfseitigen Ende der Sauerstoffblaslanze (1) und dem Schutzelement mündende Schutzgasleitung (14) vorhanden ist..
Patent BR-0011825-B1 (BR)
Inventor: BESTGEN LUC
IPC: B60B21/12
Filed: 2000-06-13
Abstract: A rolling assembly formed of a tire P, a narrow rim J, the width of which is at most equal to 50% of the maximum axial width of the tire inflated to its operating pressure, and two connecting elements or adapters A which form the join between the mounting rim J and the beads of the tire P. The adapters A are formed of reinforced rubber mixes which are elastically deformable at least in both the radial and axial directions.
Patent BR-PI0013940-B1 (BR)
Title: composição farmacêutica contendo orlistat e um éster de ácido graxo de polióis e uso da mesma para o tratamento da obesidade
Inventor: SMALL DAVID MACFARLAND
IPC: A61K9/48
Filed: 2000-09-11
Abstract: "<um>composição farmacêutica, processo para preparação e utilização da mesma e processo para controlar ou evitar obesidade<mv>". a presente invenção refere-se a uma composição farmacêutica que compreende pelo menos um inibidor de lípases e pelo menos um éster de ácido graxo de polióis, caracterizado pelo fato de que o éster de ácido graxo é dotado de um ponto de fusão acima da temperatura do corpo e os polióis são selecionados a partir do grupo que consiste de açúcares, derivados de açúcares, bem como de suas misturas.
Patent BR-0107822-B1 (BR)
Inventor: AUER HEINZ
IPC: C07C51/44
Filed: 2001-01-24
Abstract: The invention relates to a process for obtaining anhydrous or substantially anhydrous formic acid in which, during the work-up, a compound of the general formula Iwhere the radicals R1 and R2 are alkyl, cycloalkyl, aryl or aralkyl groups, or R1 and R2 jointly, together with the N atom, form a heterocyclic 5- or 6-membered ring, and only one of the radicals is an aryl group, and where R3 is hydrogen or a C1-C4-alkyl group,is employed simultaneously as extractant for formic acid and as antifoam for a distillation process.