baber/WOPTO huggingface dataset:
Patent EP-0492233-A1 (EP)
Inventor: NOESBERGER PAUL
IPC: C07D263/34
Filed: 1991-12-09
Abstract: The invention is concerned with a process for the manufacture of 5-cyano-4-lower alkyl-oxazoles by dehydrating a 5-carbamoyl-4-lower alkyl-oxazole in the gas phase in the presence of a heterogeneous catalyst based on silicon dioxide and in the presence of an inert solvent. The heterogeneous catalyst used is formed SiO2 or SiO2 doped with an oxide of V, Mo, Fe, Co and/or Zn. An N-lower alkyl-pyrrolidone is preferably used as the inert solvent.
Patent EP-0445879-A1 (EP)
Inventor: STESSEN JEROEN HUBERT
IPC: H03F1/34
Filed: 1991-03-04
Abstract: Broadband signal amplifier comprising a current conveyor (2) having a current control input (X), a voltage control input (Y) and an output (6), with signal control at the current control input (X) and a feedback (24, 25) from the output to the current control input mainly for the lower signal frequencies, signal control at the voltage control input (Y), and a capacitive impedance (23) connected to the current control input mainly for the higher signal frequencies.
Patent EP-0449361-A1 (EP)
Inventor: VAN DARTEL NICOLAAS HENRICUS P
IPC: H01J29/82
Filed: 1991-03-22
Abstract: A method of manufacturing a cathode ray tube comprising a neck portion 4 in which an electron gun 5 having resilient elements 14 is secured. The method comprises a manufacturing step in which the electron gun 5 is inserted into the neck portion 4 by means of a managing tool 17 which serves to press together the resilient elements 14. Viewed in the axial direction, the managing tool 17 is located outside and clear of the neck portion 4.
Patent EP-0476824-A1 (EP)
Inventor: OHKAWA TIHIRO
IPC: H01B13/00
Filed: 1991-08-09
Abstract: A multifilamentary superconducting cable (10) has two parallel spaced-apart guide wires (12,14). A first layer (16) of mutually parallel superconducting filaments (18) is woven partially around and between the guide wires (12,14) in a transposed braid. Likewise, a second layer (20) of mutually parallel superconducting filaments (22) is woven partially around and between the guide wires (12,14) in a transposed braid. Thus, the two layers (16,20) overlap each other as the respective layers (16,20) pass between the guide wires (12,14). the two superconducting layers (16,20) and two guide wires (12,14) are enclosed in a helical copper duct (24), with the guide wires (12,14) being oriented within the duct (24).
Patent EP-0479619-A1 (EP)
Inventor: HOUANG ELIZABETH TINGSU
IPC: C12M1/30
Filed: 1991-10-04
Abstract: A swab (1), e.g. for intra-vaginal use, comprises a probe (2) having a contact part (11) for contacting a chosen region of internal body tissue and a sheath (5) for preventing the contact part (11) from touching tissue whilst the swab is being inserted into and withdrawn from the body, the probe (2) and sheath (5) being configured to allow the contact part (11) to be brought into contact with said chosen region when the probe is inserted to a desired extent. The probe comprises at least two telescoped segments (3, 7). At least two of the probe and the telescoped segments, as appropriate, are held in fixed relation to each other by a respective frangible member (15/19).
Patent EP-0487218-A1 (EP)
Inventor: MITOMA YASUTAMI
IPC: C12Q1/68
Filed: 1991-10-31
Abstract: A method of detecting or quantifying a target nucleic acid in a sample is disclosed. In this method, the target nucleic acid is amplified by the polymerase chain reaction in the presence of a fluorescence pigment of which fluorescent property is changed upon reacting with nucleic acid. The fluorescence intensity of the fluorescent pigment is measured before and after the polymerase chain reaction or during the reaction so as to detect or quantify the target nucleic acid. The fluorescent pigment may also be reacted with the amplified target nucleic acid after the polymerase chain reaction.
Patent EP-0492799-A1 (EP)
Inventor: ROBERTSON JAMES MARTIN
IPC: F28D9/00
Filed: 1991-11-22
Abstract: A compact heat exchanger suitable for heat exchange between two fluids one of which is at a high pressure (e.g. above 50 atmospheres) incorporates a cylindrical former (14) supported by inlet and outlet ducts (28) for the low pressure fluid coaxially within a tubular cylindrical pressure vessel (12). The annular space between the former (14) and the vessel (12) is occupied by a plurality of radially-extending flow passages (20) for the low pressure fluid, between which are passages (18) for the high pressure fluid. Each low pressure fluid passage (20) is defined by a single sheet folded to form a pair of adjacent spaced-apart plates. A long sheet (22) may be folded into a zig-zag so as to form a plurality of such pairs of plates. The ends of the plates are welded to the ducts (28), and the pairs of adjacent plates are welded together to seal the ends of the passages (20).
Patent EP-0488615-A1 (EP)
Inventor: TANIJI AYAFUMI
IPC: A61B3/12
Filed: 1991-11-25
Abstract: An apparatus for measuring blood flow comprises a scanning optical system (5) for scanning in vivo tissue with a laser beam scanning spot and a light receiving optical system (6) for focusing on a light receiving plane thereof an image of the area in the vicinity of the scanning point at an image point conjugate with the scanning point. Photosensors (a, b, c, d) are disposed at prescribed positions in the light receiving plane for measuring light scattered from the tissue at prescribed positions in the vicinity of the image point conjugate with the scanning spot and the results of the measurement are analyzed to obtain information on blood flowing at a depth with the tissue. A dichromatic mirror or a half mirror (7) is disposed between the scanning and measurement systems for reflecting an image of the measurement region (P) to a TV camera (8). Information regarding the position of the scanning spot is superimposed on the video image from the TV camera so that the scanning spot can be positioned while it is being monitored on a display device (15).
Patent EP-0469940-A1 (EP)
Inventor: JUGUIN BERNARD
IPC: C11D1/22
Filed: 1991-07-03
Abstract: Process for the production of a mixture of 2-phenylalkanes and 3-phenylalkanes, in which benzene is reacted with a charge containing at least one linear olefin containing from 9 to 16 carbon atoms in its molecule, in contact with a catalyst based on a mordenite which has an overall Si/Al atomic ratio of between 6 and 100, preferably between 15 and 60, the said mordenite having been prepared from a mordenite synthesised in a fluoride medium. Use of the mixture of 2- and 3-phenylalkanes obtained as a basis for biodegradable detergents.   <IMAGE>
Patent EP-0488882-A1 (EP)
Inventor: PIERRET JEAN-MARIE
IPC: H02J7/24
Filed: 1991-11-26
Abstract: L'invention concerne un dispositif régulateur pour la charge d'une batterie par un alternateur délivrant une tension redressée comportant une composante d'ondulation, du type comprenant un circuit de régulation sur la valeur moyenne (12) de la tension d'alternateur redressée (B+) ainsi qu'un circuit de régulation sur la valeur de tension des crêtes positives (161) de la composante d'ondulation, lesdits circuits de régulation étant alimentés par une tension stabilisée dérivée de ladite tension d'alternateur redressée, ainsi qu'un circuit de puissance (14) pour la commande du courant d'excitation de l'alternateur. 
     Selon l'invention, il est prévu en outre un circuit de régulation sur la valeur des crêtes négatives (161, 164) de la composante d'ondulation et également alimenté par ladite tension stabilisée et capable de provoquer une diminution dudit courant d'excitation lorsque la tension desdites crêtes négatives tombe en deçà d'un seuil déterminé.
Patent EP-0491640-A1 (EP)
Title: Procédé de séparation des composés de silicium contenus dans un bain de décapage chlorhydrique de pièces notamment des tôles d'acier
Inventor: PAVINATO ALBERT
IPC: C23F1/46
Filed: 1991-12-03
Abstract: Ce procédé dans lequel le bain usé est recyclé après concentration (1) par élimination d'eau (2), suivie d'un traitement en vue de la récupération (10) des oxydes de fer, est caractérisé selon l'invention en ce que l'on effectue une microfiltration tangentielle (5) du bain concentré afin d'en séparer les composés du silicium sous forme non-ionique et ainsi les concentrer et que l'on fait recirculer la majeure partie de la fraction de ce bain (11-17) contenant ces composés de silicium concentrés pour favoriser la précipitation des composés non-ioniques du silicium. <IMAGE>
Patent EP-0526451-A1 (EP)
Title: Magnetoscope avec enregistrement ameliore des couleurs
Inventor: KLUTH HANS-JUERGEN
IPC: H04N9/797
Filed: 1990-12-17
Abstract: Dans les nouveaux procédés de transmission de télévision, comme le D2-MAC, on obtient une amélioration de la qualité du signal du point de vue de la largeur de bande et de la diaphonie. Lors de l'enregistrement d'un tel signal au moyen d'un magnétoscope de type courant, cette qualité du signal se perd à nouveau en partie.L'invention a pour objet de mettre au point un magnétoscope permettant un excellent enregistrement de ces signaux sans que les paramètres de qualité du signal soient à nouveau en partie perdus du fait de l'enregistrement. Les signaux de différence de couleurs (R-Y, B-Y) sont enregistrés ligne par ligne par modulation FM d'uneonde porteuse (Ft) au moyen d'une deuxième série de têtes magnétiques (K2) de plus grande largeur d'entrefer dans une couche plus profonde (S2) de la bande magnétique (T). Convient en particulier pour un magnétoscope S-VHS pour l'enregistrement de D2-MAC.
Patent EP-0509012-A1 (EP)
Title: Coverstock.
Inventor: CARTER ANDREW JAMES
IPC: A61F13/00
Filed: 1991-01-09
Abstract: A coverstock suitable for use in an absorbent device and an absorbent device such as a sanitary napkin or surgical dressing comprising a coverstock are provided. The coverstock comprises a film having a multiplicity of depressed areas and a greater multiplicity of apertures wherein each depressed area contains at least one aperture, the apertures are in both the depressed areas and in the areas between the depressed areas, essentially all of the depressed areas have curved perimeters and the areas between the depressed areas occupy 22-50 % of the area of the film.
Patent EP-0511273-A1 (EP)
Inventor: UNGER EVAN C
IPC: A61K47/48
Filed: 1990-12-19
Abstract: The present invention relates to a method for synthesizing a liposome having encapsulated therein a gas comprising contacting the liposomes in the liquid medium with gas under elevated pressure. The liposomes so produced and are useful in ultrasonic imaging techniques. <IMAGE>
Patent EP-0522011-A1 (EP)
Title: Iontophoretic delivery device.
Inventor: LEW PATRICK J
IPC: A61N1/30
Filed: 1991-03-25
Abstract: An iontophoretic agent delivery device having donor and counter electrodes comprised of either metal or a hydrophobic polymer loaded with a conductive filler is provided. The agent reservoir in the donor electrode assembly contains about 10 to 60 wt. % hydrophobic polymer, about 10 to 60 wt. % hydrophilic polymer, and up to 50% agent. Similarly, the electrolyte reservoir contains about 10 to 60 wt. % hydrophobic polymer, about 10 to 60 wt. % hydrophilic polymer, and up to 50% electrolyte. The agent reservoir, the electrolyte reservoir and the electrodes are preferably in the form of films which are laminated to one another. The hydrophobic polymer component in the agent/electrolyte reservoir prevents the reservoir from delaminating from the metal/hydrophobic polymer based electrode, even after hydration of the reservoirs.
Patent EP-0493617-A1 (EP)
Inventor: SAWA IKUO - HAMADA-CHO -CHOME
IPC: C12P7/22
Filed: 1991-07-22
Abstract: A process for producing (-)-substituted styrene oxide efficiently, which comprises reducing 2-bromo-1-(3'-chlorophenyl)ethanone asymmetrically into (-)-2-bromo-1-(3'-chlorophenyl)ethanol in the presence of a microorganism belonging to any of the 11 genera including  Ashbya  and  Brettanomyces , and cyclizing the isolated and purified product under an alkaline condition into (-)-substituted styrene oxide.
Patent EP-0553351-A1 (EP)
Inventor: LEONIDOV NIKOLAI BORISOVICH
IPC: C07C227/42
Filed: 1991-08-19
Abstract: A new crystalline modification of hydrochloride of 2-dimethylaminoethyl ether of n-butylamino benzoic acid is characterized by one endothermic melting effect at a temperature of 148.6 DEG  +/- 0.3  DEG C and by the values of the interplane distances d and of relative intensities of reflexes (I). A method of obtaining said substance consists in that the solution of hydrochloride of 2-dimethylaminoethyl ether of n-butylamino benzoic acid of polymorphic form in the water or in an organic solvent or in their mixture is cooled by means of a cooling agent at a speed no less than 8  DEG C/min up to its full crystallization with subsequent drying of the thus obtained crystals. The claimed substance has local anesthesia properties and is an active agent of a pharmaceutical preparation for anesthesia of the eye (the content of the active substance from 0.05 to 0.5 percent by weight).
Patent EP-0551360-A1 (EP)
Inventor: O'NEILL JOHN R
IPC: B05D1/28
Filed: 1991-10-03
Abstract: L'invention décrit un dispositif qui utilise un tambour ou un cylindre pour "couler" un revêtement de prémétallisation, qu'on cuit par faisceau électronique, sur un substrat en papier. Le procédé de prémétallisation comprend les étapes suivantes: (a) couverture du tambour (24) par un revêtement liquide, ladite couverture s'effectuant par contact dudit tambour avec au moins un rouleau (21) pour fournir ledit revêtement, (b) passage d'un substrat en papier (18) au-dessus du tambour, en contact avec le revêtement, (c) cuisson par faisceau électronique dans la chambre (11) d'un dispositif de cuisson par faisceau électronique (12), du revêtement tandis qu'il se trouve en place sur la surface du tambour, (d) enlèvement du substrat en papier de la surface du tambour. Dans un autre aspect de l'invention, on effectue d'abord le revêtement du substrat en papier, on le passe ensuite au-dessus du tambour et on le cuit par faisceau électronique.
Patent EP-0560817-A1 (EP)
Inventor: DRANGEL HANS
IPC: F02B75/04
Filed: 1991-12-03
Abstract: Moteur à combustion interne (10) comportant une section cylindres (11) montée pivotante sur une section carter (14) pour assurer des rapports de compression différents. Ladite section carter (13) est dotée de parois latérales surélevées (21, 22, 24, 25) présentant des surfaces supérieures (82-85) et disposées dans un même plan pour permettre l'intercalation facile d'une garniture (34) entre la section cylindres (11) et la section carter (13). Lesdites parois latérales (21, 22, 24, 25) permettent également l'installation de dispositifs auxiliaires pour le moteur, sans que la section cylindres (11) ne doive être mobile par rapport à la section carter (13).
Patent EP-0503310-A1 (EP)
Inventor: EUGLER NORBERT
IPC: B60R9/058
Filed: 1992-02-14
Abstract: A roof rack which comprises at least one support strut (2) is provided at its two ends with support feet (1) which each have a support plate (3) which is provided with recesses (4 and 5) which are open both downwards and also in, or counter to, the direction of travel. The recesses hold bolts (6, 7), fixed to the vehicle body, when secured to the vehicle, on which bolts the support plate (3) is supported. So that the support plate cannot be unintentionally withdrawn again by the bolts, a clamping device (9) comprising a nut (10) and a screw (12) is provided, it being possible to press said device against the bolt, as a result of which the support plate is pressed, towards the end of its recesses, against the bolts and thus secured. <IMAGE>
Patent EP-0501398-A1 (EP)
Inventor: SMITH DAVID R
IPC: H02P6/08
Filed: 1992-02-25
Abstract: There is disclosed a linear current source amplifier for brushless D.C. motors with linear characteristic and low noise at high currents. A servo current loop for comparing a desired current with the actual winding current is provided to produce a global error signal. A plurality of linear current followers (36, 38, 40, 42, 44, 46) or power stages are configured such that each of them is capable of providing a current to motor winding proportional to the error signal. The linear current followers are arranged so that a local feedback signal proportional to the current supplied by the current follower is fed back and compared with a signal proportional to the global error signal to drive the current sources. In one embodiment, the multiple power stage current sources are configured in a current loop fashion to energize the motor windings.
Patent EP-0507305-A1 (EP)
Inventor: DE BELLIS LEONARDO
IPC: B65D5/00
Filed: 1992-04-02
Abstract: A tray-like container for food articles and especially for pizzas, comprises a flat polygonal bottom (2), a peripheral holding sidewall (3) extending from the flat bottom (2) and which defines an upper polygonal edge (4) of the container; this upper edge has a series of cutouts (5), each at the location of a respective side.
Patent EP-0510529-A1 (EP)
Inventor: HARDWICK STEVEN JOHN
IPC: C01B17/45
Filed: 1992-04-16
Abstract: Impurities such as oxygen and moisture can be removed from sulfur hexafluoride by contacting the impure gas with the reaction product of sulfur hexafluoride and a lithium-substituted macroreticulate polymer.
Patent EP-0512340-A1 (EP)
Inventor: SANPEI AKIRA SONY ENERGYTEC IN
IPC: H02J7/02
Filed: 1992-04-24
Abstract: An overcharge preventing device and an overdischarge preventing device for a nonaqueous electrolyte secondary battery (14) is disclosed, in which voltage detectors (17, 18, 19) are provided to respectively detect terminal voltages of batteries (14A, 14B) connected in series, and a switch (16) is provided in series to the batteries (14A, 14B) between a common terminal (11) and a charge terminal (13). When the terminal voltage of at least one of the batteries (14A, 14B) exceeds a battery design voltage in charging the batteries, the switch (16) is turned off according to an output from the corresponding voltage detectors (17,18), thereby cutting off a charging current. Further, a voltage detector (19) is provided to detect a terminal voltage of the series connected batteries (14A, 14B), and a switch (15) is provided in series to the batteries between the common terminal (11) and a discharge terminal (12). When the terminal voltage of the batteries becomes equal to or less than a set voltage in discharging the batteries, the switch (15) is turned off according to an output from the voltage detector (19), thereby cutting off a discharging current.
Patent EP-0514867-A1 (EP)
Inventor: YAMANAKA SCHUNICHIRO
IPC: C07C39/17
Filed: 1992-05-20
Abstract: The present invention comprises a charge control agent whose active ingredient is a calix(n)arene compound represented by Formula [I] and a toner for developing electrostatic images incorporating said charge control agent.
       
 wherein R¹ represents an alicyclic group; 
R² represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms or aryl group; 
n represents an integer of 1 to 8.
Patent EP-0522395-A1 (EP)
Inventor: REINHARDT EUGEN
IPC: D06P1/50
Filed: 1992-06-29
Abstract: The present invention relates to the use of anionic cellulose mixed ethers, preferably alkyl sulphoalkylcellulose ethers, in particular methyl sulphoethylcellulose ethers as thickeners in textile printing.
Patent EP-0576705-A1 (EP)
Inventor: ANGERMAIER ANTON DIPL-ING
IPC: F02D45/00
Filed: 1992-06-30
Abstract: Detection of misfiring by way of fluctuations of the angular velocity of the crankshaft, the general engine speed trend and also irregular variations in the engine speed being taken into account so that misdetection is excluded even in the case of very uneven running. <IMAGE>
Patent EP-0525677-A1 (EP)
Inventor: TANAKA HIROHISA
IPC: B01J23/89
Filed: 1992-07-24
Abstract: In order to obtain a three way catalyst having catalytic activity also at a temperature exceeding 900 ° C as well as high purification ability with respect to NOx, a perovskite compound oxide which is expressed in a general formula Lni-xAxMO 3 , where Ln represents one or at least two rare earth metals excluding Ce, A represents Ce or one or at least two alkaline earth metals, M represents one or at least two transition metals and 0<x<1, a heat resistant oxide containing Ce and Zr, or further containing a rare earth metal excluding Ce so that the same is at least partially in the form of a compound oxide or a solid solution, and a precious metal are coexistently mixed with each other. Heat resistance is improved by coexistence of the heat resistant oxide, while purification ability with respect to NOx is improved by coexistence of the precious metal. 
     In order to obtain an exhaust gas purifying catalyst which exhibits sufficient purification activity also at a low exhaust gas temperature condition, a double structure is attained by a core of a perovskite compound oxide such as (La o . 8 Ce o . 2 ) (Co o . 4 Fe o . 6 )0 3  and an outer perovskite compound oxide, in which a precious metal is solidly dissolved, enclosing the core. When the precious metal is provided in excess, the excessive part thereof is dispersed in a fine particle state as a metal or an oxide.
Patent EP-0531972-A1 (EP)
Inventor: FUJITA MASAYUKI
IPC: C08K5/00
Filed: 1992-09-09
Abstract: A curable composition is disclosed and comprises the following components :
     (A) 100 parts by weight of a oxypropylene polymer having a polymer main chain containing a repeating unit represented by the following formula;
      and having at least one group containing a silicon atom bonded to a hydroxyl group and/or a hydrolyzable group which is capable of crosslinking by forming a siloxane bond, wherein Mw/Mn thereof is not more than 1.6 and the number average molecular weight is at least 6,000,   (B) from 1 to 200 parts by weight of a filler having a BET specific surface area of not higher than 10 m²/g, and   (C) from 0.1 to 20 parts by weight of a curing catalyst, said composition containing substantially no plasticizer.
Patent EP-0587939-A1 (EP)
Inventor: EKWALL CHRISTER
IPC: A61N1/378
Filed: 1992-09-18
Abstract: A pacemaker comprises a pulse source for delivering heart stimulation pulses to at least one heart stimulation electrode. The pulse source comprises a source (2, 4) for charging a charge storage means (6) with a prescribed amount of charge for each heart stimulus. The charge storage means are then disposed to discharge a predetermined amount of charge through the stimulation electrode (8) to form a heart stimulation pulse.
Patent EP-0541083-A1 (EP)
Inventor: HATTORI SHIZUO
IPC: C12Q1/40
Filed: 1992-11-05
Abstract: A method for determining α-amylase activity which comprises bringing a sample into contact with an α-glucosidase in the presence of an α-amylase substrate and optically determining a liberated label, the substrate being a maltooligosaccharide composed of at least 3 glucose units, whose reducing terminal glucose is bonded to an optically measurable label at the 1-position by α-glucoside linkage or β-glucoside linkage, and whose non-reducing terminal glucose is modified by a substituent other than glucose, and the α-glucosidase being substantially capable of acting on glucose to which said label is bonded at the 1-position by α-glucoside linkage and on all maltooligosaccharides having 2 to 7 glucose units; and a reagent for determining α-amylase activity comprising said α-glucosidase and said α-amylase substrate. The present invention permits, in the determination of α-amylase activity, efficient auxiliary action of adjuvant enzyme, a determination with good sensitivity, and little reagent blank reaction.
Patent EP-0552433-A1 (EP)
Inventor: JARRETT PETER KENDRICK
IPC: A61L31/04
Filed: 1992-11-09
Abstract: A one piece surgical repair device consists essentially of a polymeric wire. The polymeric wire is comprised of an oriented, semicrystalline polymer. The surgical repair device can be a staple and is capable of permanent flexural deformation at ambient temperature.