Patents by Inventor Harold Ebneth
Harold Ebneth has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 4764401Abstract: A mild and simple process of activating substrate surfaces for the purpose of currentless metallization comprises using organometallic compounds of elements of the groups 1B and 8 of the Periodic System of Elements whose organic moiety has at least one functional group over and above the groups required for binding the metal are used for activation.Type: GrantFiled: January 28, 1987Date of Patent: August 16, 1988Assignee: Bayer AktiengesellschaftInventors: Kirkor Sirinyan, Henning Giesecke, Gerhard D. Wolf, Harold Ebneth, Rudolf Merten
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Patent number: 4694030Abstract: The present invention relates to intumescent polysiloxane molding compositions containing expandable graphite compounds and, if appropriate, additionally nitrogen-containing phosphates.Type: GrantFiled: January 16, 1987Date of Patent: September 15, 1987Assignee: Bayer AktiengesellschaftInventors: Wulf von Bonin, Hans Sattlegger, Harold Ebneth
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Patent number: 4622411Abstract: A simple and mild method of activating substrate surfaces for currentless metallization involves activating by means of organometallic compounds of elements of the 1st and 8th sub-Groups of the Periodic Table of Elements in which the organic moiety consists of oligomeric, prepolymeric or polymeric compounds containing double bonds.Type: GrantFiled: October 25, 1984Date of Patent: November 11, 1986Assignee: Bayer AktiengesellschaftInventors: Kirkor Sirinyan, Henning Giesecke, Gerhard D. Wolf, Harold Ebneth, Rudolf Merten
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Patent number: 4614684Abstract: A fabric reinforced composite having increased bond strength between impregnating resin and polyaramide reinforcing fabric and method for making the composite including using metal coated polyaramide fabric as the reinforcing material. The metal is deposited by a non-electrical method.Type: GrantFiled: September 16, 1982Date of Patent: September 30, 1986Assignee: Bayer AktiengesellschaftInventors: Harold Ebneth, Lothar Preis, Henning Giesecke, Gerhard D. Wolf
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Patent number: 4572960Abstract: Metallized, particularly nickel-coated, knitted net fabrics are suitable for protecting the eyes against microwave radiation with very little adverse effect upon the field of vision, particularly when the mesh width of the knitted net fabrics amounts to <0.25 .lambda., preferably <0.1 .lambda., .lambda. being the wavelength of the radiation to be screened off at the upper frequency limit.Type: GrantFiled: November 1, 1982Date of Patent: February 25, 1986Assignee: Bayer AktiengesellschaftInventors: Harold Ebneth, Hans G. Fitzky, Gerhard D. Wolf, Henning Giesecke
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Patent number: 4542074Abstract: The firmly adhesive metallization, in particular partial metallization, of the surface of semiconductors is possible, without pickling, by carrying out the activation with organometallic compounds of metals of the I and VIII Secondary Groups of the Periodic Table of Elements, then reducing in a conventional manner and metallization without current.Type: GrantFiled: June 11, 1984Date of Patent: September 17, 1985Assignee: Bayer AktiengesellschaftInventors: Kirkor Sirinyan, Rudolf Merten, Gerhard D. Wolf, Henning Giesecke, Uwe Claussen, Harold Ebneth
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Patent number: 4522889Abstract: A carbon fibre or aramid fibre fabric in a matrix of thermoset plastic is coated first with a thin layer of nickel, then with a highly conductive second layer, and on the outside once more with nickel. If the metals are deposited under wet-chemical currentless conditions, the flexible fabric will be electrically highly conductive. The composite material is particularly suitable for lightning and NEMP protection.Type: GrantFiled: January 12, 1984Date of Patent: June 11, 1985Assignee: Bayer AktiengesellschaftInventors: Harold Ebneth, Gerhard D. Wolf, Henning Giesecke
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Patent number: 4493861Abstract: A simple and mild method of activating substrate surfaces for currentless metallization involves activating by means of organometallic compounds of elements of the 1st and 8th sub-Groups of the Periodic Table of Elements in which the organic moiety consists of oligomeric, prepolymeric or polymeric compounds containing double bonds.Type: GrantFiled: December 13, 1982Date of Patent: January 15, 1985Assignee: Bayer AktiengesellschaftInventors: Kirkor Sirinyan, Henning Giesecke, Gerhard D. Wolf, Harold Ebneth, Rudolf Merten
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Patent number: 4481249Abstract: Carbon filaments and fibres and sheets manufactured from them which have excellent properties of adherence to plastics without loss of tensile strength are obtained when the carbon filaments and fibres are provided with a metal coating by a current-less process.Type: GrantFiled: June 24, 1983Date of Patent: November 6, 1984Assignee: Bayer AktiengesellschaftInventors: Harold Ebneth, Lothar Preis, Henning Giesecke, Gerhard D. Wolf
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Patent number: 4472458Abstract: The firmly adhesive metallization, in particular partial metallization, of the surface of semiconductors is possible, without pickling, by carrying out the activation with organometallic compounds of metals of the IB and VIIIB Groups of the Periodic Table of Elements, then reducing in a conventional manner and metallizing without current.Type: GrantFiled: January 13, 1983Date of Patent: September 18, 1984Assignee: Bayer AktiengesellschaftInventors: Kirkor Sirinyan, Rudolf Merten, Gerhard D. Wolf, Henning Giesecke, Uwe Claussen, Harold Ebneth
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Patent number: 4471015Abstract: A composite material comprising a polymer matrix containing metallized sheet-form textiles and/or metallized particles, and in addition additives for increasing the ohmic, electrical and/or magnetic losses which are uniformly present in the polymer and/or on the sheet-form textiles and/or particles, has a high shielding effect against electromagnetic radiation both in the short-range field and also in the long-range field over a wide frequency range.Type: GrantFiled: July 14, 1983Date of Patent: September 11, 1984Assignee: Bayer AktiengesellschaftInventors: Harold Ebneth, Hans G. Fitzky, Wolfgang Oberkirch
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Patent number: 4439768Abstract: Metallized sheet-form textiles of synthetic polymers or natural fibres to which a metal layer has been applied by wet-chemical currentless deposition are particularly suitable for screening electromagnetic waves in the range from 10 MHz to 1000 GHz. Since the textile properties are substantially unaffected by the metallization, the sheet-form textiles are particularly suitable for use in the medical and communications fields. A multiple-layer construction with insulating intermediate layers and surface linings may be useful, for example in the screening of relatively low frequencies.Type: GrantFiled: July 7, 1981Date of Patent: March 27, 1984Assignee: Bayer AktiengesellschaftInventors: Harold Ebneth, Hans-Georg Fitzky
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Patent number: 4435465Abstract: A composite material comprising a polymer matrix containing metallized sheet-form textiles and/or metallized particles, and in addition additives for increasing the ohmic, electrical and/or magnetic losses which are uniformly present in the polymer and/or on the sheet-form textiles and/or particles, has a high shielding effect against electromagnetic radiation both in the short-range field and also in the long-range field over a wide frequency range.Type: GrantFiled: June 11, 1981Date of Patent: March 6, 1984Assignee: Bayer AktiengesellschaftInventors: Harold Ebneth, Hans G. Fitzky, Wolfgang Oberkirch
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Patent number: 4420757Abstract: Metallized sheet-form textile materials of synthetic polymers or natural fibres, to which a metal layer has been applied by currentless wet-chemical deposition, are particularly suitable for use as reflectors for electromagnetic waves in the range from 10 MHz to 1000 GHz. In the case of stretched metallized fabrics, the reflecting radiation is partly polarized which can facilitate or improve the recognition of an object by radar beams. By periodically stretching and relaxing the fabric, it is even possible to modulate the reflected microwaves.Type: GrantFiled: July 6, 1981Date of Patent: December 13, 1983Assignee: Bayer AktiengesellschaftInventors: Harold Ebneth, Hans-Georg Fitzky
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Patent number: 4390588Abstract: This invention relates to a process for increasing the abrasion and water resistance of metallized cloth by applying a coating containing free isocyanate groups and, optionally by an additional coating which process renders the textile materials suitable for use in the production of objects which can be detected by radar.Type: GrantFiled: April 17, 1981Date of Patent: June 28, 1983Assignee: Bayer AktiengesellschaftInventors: Harold Ebneth, Siegfried Klipfel
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Patent number: 4385102Abstract: In a large-area photovoltaic cell containing a photoactive semiconductor layer which contacts another semiconductor layer, metal or an electrolyte to form a depletion layer, and further containing an electrode and a counter electrode for current collection, the improvement which comprises employing as a substrate for said photoactive semiconducting layer a metallized textile sheet, the metal constituting one of the electrodes, the sheet having been metallized by depositing the metal thereon wet-chemically without current. The metal thickness may be built up with or without current. Such cells have low internal resistances and are highly efficient.Type: GrantFiled: March 30, 1981Date of Patent: May 24, 1983Assignee: Bayer AktiengesellschaftInventors: Hans G. Fitzky, Harold Ebneth
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Patent number: 4320403Abstract: Metallized sheet-form textile materials of synthetic polymers or natural fibres, to which a metal layer has been applied by currentless wet-chemical deposition, are particularly suitable for use as reflectors for electromagnetic waves in the range from 10 MHz to 1000 GHz. In the case of stretched metallized fabrics, the reflecting radiation is partly polarized which can facilitate or improve the recognition of an object by radar beams. By periodically stretching and relaxing the fabric, it is even possible to modulate the reflected microwaves.Type: GrantFiled: October 30, 1979Date of Patent: March 16, 1982Assignee: Bayer AktiengesellschaftInventors: Harold Ebneth, Hans-Georg Fitzky
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Patent number: 4278435Abstract: This invention relates to a process for the production of a partially metallized textile structure of synthetic polymers or natural fibers, which comprises rendering the particular side or areas of the fabric which are not to be metallized hydrophobic or inactive by printing them with thermodiffusion dyes before the metal treatment.Type: GrantFiled: February 28, 1980Date of Patent: July 14, 1981Assignee: Bayer AktiengesellschaftInventor: Harold Ebneth
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Patent number: 4201825Abstract: The invention relates to a metallized textile material having a surface resistance as measured at 23.degree. C./50% relative humidity in accordance with DIN 54 345 of at most 1.times.10.sup.3 ohm. The invention also relates to a process for the production of such metallized textile material by currentless metal deposition, preferably at room temperature, thereon wherein the activation of the material is effected in a colloidal palladium solution, preferably at room temperature.Type: GrantFiled: September 27, 1978Date of Patent: May 6, 1980Assignee: Bayer AktiengesellschaftInventor: Harold Ebneth