baber/WOPTO huggingface dataset:
Patent WO-9930730-A1 (WO)
Title: Procedes et compositions permettant d'ameliorer la reussite de la transplantation cellulaire chez un receveur
Inventor: TREMBLAY JACQUES P
IPC: A61K38/095
Filed: 1998-12-15
Abstract: L'invention concerne des améliorations importantes relatives à chaque élément contribuant à la réussite de la transplantation ou de la survie d'un greffon. Ces améliorations, prises séparément ou combinées entre elles, améliorent sensiblement la récupération d'un tissu pour qu'il atteigne un fonctionnement normal. Ces améliorations consistent a) à réduire la mort prématurée de cellules transplantées par des agents anti-inflammatoires tels que TGFbeta1, un inhibiteur de la synthèse d'oligosaccharides, une glucosidase, IL-10, vIL-10, Il-4, INFgamma, IL-2R, IL-1Ra, Fas-L, sCR1, une super oxyde dismutase, un facteur d'inhibition de neutrophiles (NIF), une liaison antagoniste des ligands aux LFA-1, MAC-1, ICAM-1, CD-18, CD-31, CD-50, E-sélectine, P-sélectine, TNFalpha, IL-1 et IL-8, les agents anti-inflammatoires pouvant comprendre un anti-LFA-1 ou -ICAM-1, b) à améliorer la diffusion et la fusion de cellules transplantées avec le tissu hôte par métalloprotéases, c) à proliférer ex vivo les cellules transplantées avec les facteurs de croissance ou oncogènes, d) à utiliser des fibroblastes ou des cellules souches au lieu de myoblastes, par la transformation des premiers en ces derniers avec des gènes myogènes, e) à exprimer l'utrophine au lieu de la dystrophie lors de dystrophies musculaires et e) à maintenir la survie du greffon à long terme par des agents immunosuppresseurs.
Patent WO-0213841-A1 (WO)
Inventor: WIDAUER JOSEF OLAV
IPC: A61K36/00
Filed: 2001-08-02
Abstract: The invention relates to the use of extracts from ginkgo biloba leaves for producing a medicament for inducing dreams and/or for improving the ability to remember dreams. It has been shown that the use of ginkgo biloba extracts as part of a psychotherapy is particularly suitable for improving the psychoanalytical evaluation of patients' dreams.
Patent WO-8401544-A1 (WO)
Inventor: VERMOT-GAUD JACQUES
IPC: B41J2/06
Filed: 1983-10-05
Abstract: Ce dispositif comporte une électrode (2) dont le diamètre est du même ordre de grandeur que la goutte à projeter, qui émerge à la surface d'un support (1) électriquement isolant. Ce support (1) est plongé dans un réservoir de liquide (3) présentant une ouverture (4). Le support (1) est disposé pour que sa face dans laquelle l'électrode (2) affleure se trouve à une certaine distance en retrait du plan de l'ouverture (4) afin qu'elle soit recouverte du liquide contenu dans le réservoir (3) dans lequel se trouve une contre-électrode (5). Ces électrodes (2, 5) sont reliées à une source de courant intermittent destiné à former un champ électrique à travers le liquide qui, en se concentrant sur la partie de l'électrode (2) émergeant du support (1) provoque la projection d'une goutte de liquide.
Patent WO-0034232-A1 (WO)
Title: Carbonates de serine
Inventor: FRATER GEORG
IPC: A61K8/26
Filed: 1999-12-07
Abstract: Selon cette invention, les carbonates de sérine correspondant à la formule I sont des précurseurs de composés organoleptiques, d'agents de masquage et d'agents anti-microbiens. Ils constituent en outre des substrats alternatifs pour les enzymes provoquant les mauvaises odeurs. Les symboles de la formule I sont définis dans la revendication 1.
Patent WO-0168877-A1 (WO)
Title: Nouveau polypeptide, proteine humaine de transport 10 d'acides amines excitateurs, et polynucleotide codant pour ce polypeptide
Inventor: MAO YUMIN
IPC: C12N15/57
Filed: 2001-02-26
Abstract: L'invention concerne un nouveau polypeptide, une protéine humaine de transport 10 d'acides aminés excitateurs, et un polynucléotide codant pour ce polypeptide ainsi qu'un procédé d'obtention de ce polypeptide par des techniques recombinantes d'ADN. L'invention concerne en outre les applications de ce polypeptide dans le traitement de maladies, notamment des troubles psychiques, des problèmes du transfert d'un groupe glutamyl, de toutes sortes de tumeurs malignes, des troubles du développement et de la croissance, des inflammations, des maladies immunitaires, de l'hémopathie et de l'infection par VIH. L'invention concerne aussi l'antagoniste agissant contre le polypeptide et son action thérapeutique ainsi que les applications de ce polynucléotide codant pour la protéine humaine de transport 10 d'acides aminés excitateurs.
Patent WO-0226798-A1 (WO)
Title: Nouveau polypeptide, acide phosphatidique phosphatase 29.81, et polynucleotide codant ce polypeptide
IPC: C12N9/16
Filed: 2001-08-20
Abstract: L'invention concerne un nouveau polypeptide, une acide phosphatidique phosphatase 29.81, et un polynucléotide codant ce polypeptide ainsi qu'un procédé d'obtention de ce polypeptide par des techniques recombinantes d'ADN. L'invention concerne en outre les applications de ce polypeptide dans le traitement de maladies, notamment d'affections démyélinisantes du système nerveux périphérique, de la cécité, du rachitisme, de la stéatose hépatique, de l'asthme et d'ulcères gastroduodénaux. L'invention concerne aussi l'antagoniste agissant contre le polypeptide et son action thérapeutique ainsi que les applications de ce polynucléotide codant l'acide phosphatidique phosphatase 29.81.
Patent WO-9945424-A1 (WO)
Title: Verres de lunettes permettant de corriger l'achromatopsie avec compensateur de la sensation chromatique
Inventor: CHEN MOU
IPC: G02C7/10
Filed: 1999-03-01
Abstract: L'invention concerne des verres de lunettes permettant de corriger l'achromatopsie caractérisés en ce qu'ils peuvent être montés sur les branches des lunettes ou les pièces de compensation de la sensation chromatique peuvent être insérées dans une fente ménagée à cet effet dans la monture à tout moment. On peut à tout moment fixer ou détacher les pièces de compensation de la sensation chromatique selon les besoins, résolvant ainsi le problème lié à une faiblesse excessive de la clarté de la sensation chromatique qui est à l'origine des distorsions chromatiques affectant la vision. En outre, lesdites pièces de compensation de la sensation chromatique, dont la taille et couleur correspondent à un globe oculaire noir ou bleu, permettent de réduire l'apparition de l'achromatopsie dans une certaine mesure. Aussi, contribuent-elles à élargir les applications des verres optiques permettant de corriger l'achromatopsie et sont-elles bien tolérées par les patients souffrant d'achromatopsie.
Patent WO-0070336-A1 (WO)
Title: Verfahren und vorrichtung zur zustandserfassung und prüfung von langgestreckten verbindungselementen mittels ultraschall
Inventor: SALZBURGER HANS-JUERGEN
IPC: G01N29/24
Filed: 2000-05-12
Abstract: Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur Zustandserfassung und Prüfung von langgestreckten, aus mehreren Litzendrähten (1*, 2*, 3*, 4*, ..) zusammengesetzten Verbindungselementen in Ankern und Brückenspanngliedern. Bei dem Verfahren wird mindestens eine Schall- oder Ultraschallwelle an einem freien Ende des langgestreckten Verbindungselementes (2) mit einer definierten Wellenmode erzeugt und ausgesandt. Von Fehlstellen im Verbindungselement (2) reflektierte Echowellen werden als Messsignal am freien Ende detektiert und Charakteristika der Fehlstellen des Verbindungselementes (2) aus dem Messsignal ermittelt, indem das Messsignal digitalisiert und ausgewertet wird. Die Schall- und/oder Ultraschallwelle(n) werden im Verbindungselement (2) integral angeregt und litzendrahtselektiv empfangen und/oder litzendrahtselektiv angeregt und integral oder litzendrahtselektiv empfangen. Mit dem erfindungsgemässen Verfahren und der zugehörigen Vorrichtung lassen sich Fehlstellen wie Risse oder Korrosionsstellen von sich im Betrieb befindenden Ankern und Brückenspanngliedern zerstörungsfrei nachweisen und genau lokalisieren.
Patent WO-0146046-A1 (WO)
Title: Lineare transportvorrichtung für objekte
Inventor: BACH CHRISTOPH
IPC: B65G21/20
Filed: 2000-11-02
Abstract: Die Erfindung betrifft eine Transportvorrichtung für flächige Objekte mit einem umlaufenden Transportband (10), das Durchbrüche (12) aufweist und das auf parallel zur Laufrichtung des Transportbandes angeordnete Trägerschienen (21) beweglich gelagert ist. Die Trägerschienen (21) sind voneinander durch Längsschlitze (22) beabstandet, an denen Unterdruck anliegt. Die Durchbrüche (12) sind in Reihen parallel zur Laufrichtung des Transportbandes angeordnet und weisen einen maximalen Durchmesser von 30 mm auf.
Patent WO-0139271-A1 (WO)
Title: Maskenprogrammierbare rom-speichervorrichtung sowie verfahren zu deren herstellung
Inventor: BRATU PETER
IPC: H01L27/112
Filed: 2000-11-17
Abstract: Die Erfindung betrifft eine maskenprogrammierbare ROM-Speichervorrichtung sowie ein dazugehöriges Herstellungsverfahren, bei dem zur Erhöhung der Ausbeute und zur Verringerung der Defektdichte in nicht programmierten Speicherzellen Drain/Source-Kontakte (4) unmittelbar auf Isolationsgebiete (1) gesetzt werden.
Patent WO-0149988-A1 (WO)
Title: Verfahren zum betreiben eines speicherkatalysators einer brennkraftmaschine
Inventor: SCHNAIBEL EBERHARD
IPC: F01N11/00
Filed: 2000-11-18
Abstract: Es wird eine Brennkraftmaschine insbesondere für ein Kraftfahrzeug beschrieben, die mit einem Speicherkatalysator versehen ist, der mit Stickoxiden be- und entladen werden kann. Durch das Steuergerät sind mehrere Alterungszustände (Punkte 13) des Speicherkatalysators ermittelbar. Durch das Steuergerät ist aus aufeinanderfolgenden Alterungszuständen (Punkte 13) ein Schwefelgehalt des verwendeten Kraftstoffs ermittelbar.
Patent WO-0173782-A1 (WO)
Inventor: MERTES WILBERT
IPC: G11B17/04
Filed: 2001-03-01
Abstract: The invention relates to a CD drive (2) comprising a carrier (3) which can be moved into and out of said CD drive and a screen (5) which closes the closed CD drive from the outside. According to the invention, a transparent medium (7) is provided in said screen (5). It can be detected from the outside if a CD is situated in the carrier (3) or not by means of said medium.
Patent WO-0217238-A1 (WO)
Inventor: CROWHURST PETER
IPC: G07C9/00
Filed: 2001-07-07
Abstract: La présente invention concerne un système de sécurité (4, 8) comprenant une clé électronique (4), qui présente un émetteur (6), ainsi qu'un objet sécurisé avec une station de base (8), qui présente un récepteur (10). L'émetteur (6) et le récepteur (10) sont conçus pour communiquer entre eux, afin d'échanger des données d'authentification. La clé (4) transmet les données dans un message qui comprend des parties avec des périodes prédéfinies (T0,...T4) présentant des variations de signal de transmission. La station de base (8) reconnaît des distorsions dans les variations de signal de transmission au moyen d'un relais.
Patent WO-02067642-A1 (WO)
Title: Verfahren zur herstellung einer multiwire-leiterplatte und nach diesem verfahren hergestellte multiwire-leiterplatte
Inventor: WOELFEL MARKUS
IPC: H05K3/38
Filed: 2002-02-19
Abstract: Es wird ein Verfahren zur Herstellung einer Multiwire-Leiterplatte (28) sowie eine solche Leiterplatte (28) beschrieben, wobei auf einer Seite (12) eines dünnen Flächenelementes (10) aus elektrisch leitendem Material mittels voneinander beanstandeter Kleberflächen Leitungsdrähte (14) definiert verlegt und an vorgegebenen Kontaktstellen (16) des Flächenelementes (10) elektrisch kontaktiert werden. Anschliessend wird auf den fixierten Leitungsdrähten (14) bzw. der entsprechenden Seite (12) des Flächenelementes (10) ein mechanischen Stabilisierungselement (20) flächig festgelegt. Danach wird das dünne Flächenelement (10) von der anderen Seite (24) her derartig strukturiert, dass die Kontakstellen (16) vom übrigen Flächenelement (10) getrennt und somit elektrisch isoliert werden. Derartige Multiwire-Leiterplatte (28) können zu einer kompakten Mehrlagenschaltung (44) zusammengebaut werden.
Patent WO-03081348-A1 (WO)
Inventor: WENDELBERGER KLAUS-WALTER
IPC: G05B11/42
Filed: 2003-03-12
Abstract: The invention relates to a method in which at least one component of a technical plant is controlled by means of a PI controller. The actual value of the regulating parameter is continuously determined during operation of the plant and the amplification factor (Kp) of the PI controller is altered depending on the time relationship of the actual value (I), until the actual value (I) remains with a tolerance band (Tb) relative to the set value (S). The invention further relates to a controller (R) for carrying out said method.
Patent WO-2004024479-A1 (WO)
Inventor: HORSTMANN PETER
IPC: B60H1/00
Filed: 2003-09-02
Abstract: The invention relates to a system for regulating the heat management of a motor vehicle with a thermal circuit for removal of the engine heat, comprising a cooling circuit (38) and a heating circuit (36), through which a coolant can flow and with at least one heat-generating component (20) in the vehicle, whereby a system is provided by means of which the heat given off by the at least one component may be transferred to the heating circuit.
Patent DE-1760049-A1 (DE)
Inventor: DUBACH PAUL DIPL-ING
IPC: D02G1/00
Filed: 1968-03-27
Abstract: The beam from a laser is caused to traverse either continuously or periodically along the length of a filament, thread, yarn, ribbon, or the like, while the same is under tension. The arrangement is such as to develop a temperature gradient through the element in a transverse direction relative to its longitudinal axis, wherever the laser beam impinges, for developing differential relaxation of stresses therein and to impart a crimp thereto.
Patent DE-1904986-A1 (DE)
Title: Nonslip floor coating
Inventor: NACHTIGALL DR KARL-HEINZ
IPC: E04F15/12
Filed: 1969-02-01
Abstract: Polyester resins are applied to the underneath side floor covering such as linoleum etc. using a backing film composed of polyolefines, silicon paper, the film is removed and the covering contacted to the floor. The adhesive is made from polyol and an isocyanate with catalyst and possible fillers such as barium sulphate.
Patent DE-1948364-A1 (DE)
Title: Analyser for gases enclosed in hermetically - sealed miniature components
Inventor: SCHMID KARL-HEINZ DR RER NAT
IPC: H01J9/42
Filed: 1969-09-24
Abstract: The component is placed in an evacuated glass vessel and a gas secape hole drilled in its housing using a laser. The gases after escape into the evacuated vessel are drawn off for analysis. If the housing is of glass it may be made thermally sensitive by using an outer absorber layer or by darkening using X-rays or other ionising radiation. A CO2 laser may then be used for drilling, radiating through a visible-ray transparent window in the glass vessel.
Patent DE-1950740-A1 (DE)
Title: High refractive-index glass
Inventor: SWAROVSKI HELMUT ING
IPC: C03C1/00
Filed: 1969-10-08
Abstract: High refractive index glass melt feed contains 10-25 (10-20) wt. % Na salt, together with Pb3O4, TiO2 and SiO2. Reflectors, esp. small spheres incorporated in reflex foils, open films, advertising posters, car no. plates, etc. Inexpensive materials, easy working (Na salts lower m.pt.), reduced crystallisation tendency (resulting in long working life), yellow to brown colour reduced to yellowish tinge. Pref. Na salt is NaNO3 or Na2CO3. Pref. charge contains 1-5 wt. % B2O3, 20-25 wt. % Ba(NO3)2, 0.5-1 wt. % WO3 and/or 2-10 wt. % CaCO3. Pref. manufactured glass spheres have 15-200 (30-90) mu dia, with predominant no. of 70-80 mu dia.
Patent DE-1952094-A1 (DE)
Title: Linear high mol wt polyesters
Inventor: DR SCHNEGG ROBERT
IPC: C08G63/42
Filed: 1969-10-16
Abstract: Catalytic esterification of terephthalic acid with glycol carbonate to hydroxyethyl terephthalates and their subsequent polycondensation, uses of 0.01-1.0% (w.r.t. total components used) ammonium or alkali salt of weak inorganic or (poly)carboxylic acid as catalyst. This produces polyesters with higher molten viscosities, of good whiteness when spum and of high strength for technical use and for tyre cords. The process is specially suited to continuous production.
Patent DE-1967018-A1 (DE)
Title: Polyurethane/epoxy resin cast mouldings prepn - by heating, mixing, casting and hardening
Inventor: JOHN DIETER
IPC: C08L63/02
Filed: 1969-01-07
Abstract: Mouldings are prepd. from a casting compsn. by mixing and heating a polyurethane, an epoxide resin and a cross-linking agent to 100 degrees C; casting in a mould preheated to 100 degrees C and hardening for >=5 hrs. at 140 degrees C. The casting compsns. comprises 23-59% polyurethane (esp. from polytetramethyleneglycol and TDI), 25-55% epoxy resin (esp. from bisphenol A and epichlorohydrin) and 16-22% cross-linking agent (esp. 4,4'-methylene-bis-(2-chloroaniline)); esp. 23% polyurethane and 55% epoxy resin or 59% polyurethane and 25% epoxy resin or linear interpolated intermediate valves thereof. This is a division of P 1900562.0. The process is used to mfr. elements for water acoustics. The mould may also be used for acoustic windows which are permeable to water resonance.
Patent DE-2000529-A1 (DE)
Title: Plastics foil cutter with air removal of - strips
Inventor: SCHMEER GERT
IPC: B26D1/24
Filed: 1970-01-07
Abstract: Longitudinal cutting of continuously moving plastic foil into strips is effected with an air flow adjacent to the cutting station. This blows in direction of strip movement, thus removing the cutting strips and preventing fouling of cutters by entangled broken strips.
Patent DE-2006265-A1 (DE)
Title: Non stick roof sheeting of plastic containing bitumen
IPC: B29C48/08
Filed: 1970-02-12
Abstract: Sheet, esp. for roofing, on basis of polyethylene or polyethylene copolymer, containing bitumen, is coated with dispersion of natural resin or plastic which soaks up oily substance. Coating is 10 mu-1 mm., pref. 20-200 mu, thick and pref. contains little or no plasticiser.
Patent DE-2007812-A1 (DE)
Title: Welding and checking process
IPC: B23K11/31
Filed: 1970-02-20
Abstract: The longitudinal speed of movement of a current-carrying electrode, and/or changes in the director of this movement after formation of a weld seam are converted into signals for controlling the welding current amplitude and for switching off the welding current.
Patent DE-2013886-A1 (DE)
Title: Cotton wool swabs on plastic rods
IPC: A61F13/38
Filed: 1970-03-24
Abstract: Plastic tubular rods, specif. manufactured by extrusion, are machined to round or bevel the outer surface edges and cotton woold swabs are attached to one or both ends.
Patent DE-2018086-A1 (DE)
Title: Binary nickel alloy catalysts
IPC: B01J23/755
Filed: 1970-04-15
Abstract: Catalysts according to 715, 763 in which the secondary metal is chosen from Si, In and Ta, being present respectively as 6.4%, 5.0% and 5-10% the successive phase changes being substantially as indicated in the parent patent.
Patent DE-2022034-A1 (DE)
Title: Submerged arc welding technique for butt welding sheets from one side
Inventor: HAALA HEINRICH DIPL-ING
IPC: B23K9/035
Filed: 1970-05-05
Abstract: The technique to apply submerged arc welding to butt weld two sheets from one side, uses a sheet metal strip underlay running along the joint. After welding the strip is wholly or partially removed to leave a clean seam.
Patent DE-2027403-A1 (DE)
Title: Lubricant compn contg naphthene lubricant and a thickener
IPC: C10M169/00
Filed: 1970-06-04
Abstract: A lubricant, partic, long-lasting grease for impact steel/steel or steel/plastics joins or joints, consist of a high viscosity naphthene basic lubricant and a thickener consisting of alkali and/or alkaline earth salts of a C14-C26 satd. mono- or dicarboxylic acid, and also contains 5-50% by wt. of non-swelling or weakly swelling salts of satd. mono- or dicarboxylic acids with 14-30C and polyvalent heavy metal cations.
Patent DE-2031976-A1 (DE)
Title: Fire protective containers for cables - for cables already enclosed in halogen-contng plastic sheaths
IPC: H02G3/02
Filed: 1970-06-29
Abstract: Cables contg. sheaths of PVC or chlorinated polyethylene can be protected against any consequential damage in case of a fire, arising from the release of gaseous HCl. The cables are embedded in split containers or tubes filled with sand or chalk with an admixture of a halogen absorber such as white lead powder.
Patent DE-2046383-A1 (DE)
Title: Binary mixture prepn - with densimeter control of metering values for lower density liquid
IPC: G05D11/13
Filed: 1970-09-19
Abstract: The concn. of the mixture is automatically adjusted by circulating a liquid of higher density from a tank with a max. and min. level control and by adding the liquid with the lower density in a mixing pipe length through coarse and fine metering valves. A densimeter is supplied with a side stream of the circuit and adjusts the metering valves automatically. Process liquid can be discharged only when the proper concentration has been reached.
Patent DE-2049362-A1 (DE)
Title: Gas filled incandescent lamps - with outer shielding esp for motor vehicles
IPC: F21V17/00
Filed: 1970-10-08
Abstract: A cap of molybdenum or tungsten, rhodium plates for high reflectivity has a recess for the pinch at the top of a tubular bulb and has side arms with pips to locate in at least two dimples in the outer wall of the bulb so that it is sprung into place, the material retaining its springiness at temps. of approx. 300 degrees C. There is a gap of approx. 1 mm. between the shield and the bulb. A more reliable method of partial masking than existing metal spraying methods and improved overall light efficiency.
Patent DE-2056285-A1 (DE)
Title: Organic photosensitive materials - contg iodide to improve spectral sensitivity range
IPC: G03C1/675
Filed: 1970-11-16
Abstract: Photosensitive compsn. comprises a dispersion of an organic photochemical material in a continuous phase, in which it is insol., a sensitiser for the material and an iodide. Iodide, pref. NH4I, NaI or KI, improves sensitivity. Photochemical compsn. is based on an organic halogen cpd. (pref. CBr4), cpd. contg. N as part of heterocyclic ring or bound to benzene ring (N-vinylcarbazole) and optically sensitising dyestuff. Continuous phase is a photographic binder, e.g. gelatin.
Patent DE-2126571-A1 (DE)
Title: Salt-bath furnace drain - with self-clearing pospout stopper
IPC: F27D3/15
Filed: 1971-05-28
Abstract: A clear channel through the salt encrustation in the drain channel and spout is maintained by a rod of high thermal conductivity metal fixed to the stopper so that when the latter is locked in place the rod reaches the interior of the furnace and so keeps the temp. of the channel it forms through the salt above solidification temp.
Patent DE-2130063-A1 (DE)
Title: Blue anthraquinone dispersion dyes - for dyeing/printing polyester,acetate and polyamide fibres
Inventor: SCHWANTJE GERD DR
IPC: C09B1/22
Filed: 1971-06-18
Abstract: Dyes are of formula (I): (where R1 is 1-4C alkyl; R2 is 1-4C alkyl or phenyl; R3 is R4 being opt branched 1-5C alkyl, 1-4C haloalkyl, 2-5C hydroxyalkyl, 2-4C alkoxyalkyl, or phenyl or phenoxyalkyl opt. substd. in the phenyl ring by methoxy, ethoxy Cl, Br Me and/or Et, and R5 being opt. branched 1-5C alkyl, opt. branched 2-6C hydroxyalkyl, 7-10C aralkyl 3-6C alkoxyalkyl, or phenoxyalkyl opt. substd in the phenyl ring by methoxy, ethoxy, methyl, ethyl Cl and/or Br).
Patent DE-2143710-A1 (DE)
Title: Heating element - consisting of silicone resin, propionate resin and silver graphite
Inventor: ZUMBUSCH FERDINAND
IPC: H05B3/14
Filed: 1971-09-01
Abstract: Heating element is produced from an electrically conducting material which becomes hot when a current flows; consists of (I) a synthetic resin selected from Si-C cpd. with Si-O bonds, (II) propionate or a synthetic resin with similar props. of (III) silver graphite. The wt. ratio (I:II:III) is 10:20:45. Component (I) is filtered through an ultrafilter. The originally liquid material is placed on a support of non-conducting material and dried. The material has the shape of a flat film and has metal electrodes on each side running over its length. The electrodes are strip-shaped and arranged on heat barrier layers. The material is covered with an insulating plate.