Patents Assigned to HERAEUS
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Publication number: 20110147080Abstract: A wire includes a first wire segment having an end portion and a second wire segment having an end portion. A coupling segment is adjacent the end portions of the first and second wire segments. The coupling segment is configured with a plurality of indents penetrating into at least one of the first and second wire segments.Type: ApplicationFiled: December 22, 2009Publication date: June 23, 2011Applicant: HERAEUS MEDICAL COMPONENTS, LLCInventors: Todd W. Slininger, John W. Warling
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Publication number: 20110129386Abstract: One aspect discloses a method for producing an alloy, whereby the alloy consists of a first metal, a second metal, a third metal, and a fourth metal, and the first metal, the second metal, the third metal, and the fourth metal are selected from the group consisting of the metals, niobium, zirconium, tantalum, and tungsten, and the method includes the steps of a) grinding the first metal to form a first metal powder and grinding the second metal to form a second metal powder; b) mixing the first metal powder and the second metal powder to form a first blended powder; c) generating a first blended body from the blended powder by means of a powder metallurgical route; d) generating the alloy by melting the first blended body and the remaining metals by means of a melt metallurgical route.Type: ApplicationFiled: December 2, 2010Publication date: June 2, 2011Applicant: W. C. HERAEUS GMBHInventors: Herwig Schiefer, Christoph Vogt, Heiko Specht, Jens Troetzschel
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Publication number: 20110129406Abstract: A metal fiber based on one or several elements from the group of platinum, palladium, rhodium, ruthenium, and iridium with 0 to 30% by weight of one or several additional alloy elements from the group of nickel, cobalt, gold, rhenium, molybdenum, and tungsten, contains 1 to 500 ppm by weight of boron or phosphorus. A non-woven material or netting, in particular for the production of nitrogen oxide or for the production of hydrocyanic acid, is made of such fibers. For the production of fibers based on noble metals having up to 30% by weight of additional alloy metals by drawing the fibers from a melt, the melting point of the metal is reduced by at least 400 ° C., before drawing of the fibers, by additionally alloying with boron or phosphorus, and the boron or the phosphorus is removed again from the fibers.Type: ApplicationFiled: July 30, 2009Publication date: June 2, 2011Applicant: W.C. HERAEUS GMBHInventors: Uwe Jantsch, David Francis Lupton, Harald Manhardt, Stefan Vorberg
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Publication number: 20110120190Abstract: A mixed quartz powder contains quartz powder and two or more types of doping element in an amount of from 0.1 to 20 mass %. The aforementioned doped elements include a first dope element selected from the group consisting of N, C and F, and a second dope element selected from the group consisting of Mg, Ca, Sr, Ba, Sc, Y, Ti, Zr, Hf, the lanthanides and the actinides. The “quartz powder” is a powder of crystalline quartz or it is a powder of glassy SiO2 particles. It is made form natural occurring quartz or it is fabricated synthetically. The “quartz powder” may be doped. The compounding ratio of the total amount (M1) of the aforementioned first elements and the total amount (M2) of the aforementioned second elements as the ratio of the number of atoms (M1)/(M2) is preferably from 0.1 to 20. Al as well as the aforementioned doped elements is preferably included in a mixed quartz powder of this invention.Type: ApplicationFiled: February 8, 2011Publication date: May 26, 2011Applicants: HERAEUS QUARZGLAS GMBH & CO. KG, SHIN-ETSU QUARTZ PRODUCTS CO., LTD.Inventor: Tatsuhiro Sato
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Publication number: 20110123738Abstract: A silica crucible is made in a mold cavity of the type in which ambient atmosphere can be drawn through silica grain in the cavity. In one embodiment, a silica grain layer is formed in the mold cavity and gas, which may comprise helium, nitrogen, hydrogen, or a mixture thereof, is introduced into the mold cavity. The silica grain layer is heated while substantially no ambient atmosphere is drawn through the silica grain. Thereafter, at least a portion of the silica grain layer is fused while drawing ambient atmosphere through the silica grain. The gas displaces air in the mold cavity thereby reducing nitrogen oxides and ozone.Type: ApplicationFiled: November 20, 2009Publication date: May 26, 2011Applicants: HERAEUS SHIN-ETSU AMERICA, INC., HERAEUS QUARZGLAS GMBH & CO. KGInventors: Katsuhiko Kemmochi, Thomas Kayser, Robert Joseph Coolich, Walter Lehmann
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Publication number: 20110112210Abstract: A PMMA paste is made from a mixture of (A) methyl methacrylate having a methacrylic acid content of less than 1% and a water content of less than 1% and (B) at least one polymethyl methacrylate having a Tg of more than 65° C. and a molar mass of greater than or equal to 200,000 g/mol. The methyl methacrylate fraction is sufficient for the PMMA paste to be autosterile, the weight ratio of (B) to (A) preferably being 10-50% (B) to 50-90% (A). The PMMA paste can be used to produce paste-like one-component bone cements and two-component bone cements.Type: ApplicationFiled: June 13, 2009Publication date: May 12, 2011Applicant: HERAEUS MEDICAL GMBHInventors: Sebastian Vogt, Hubert Buechner
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Publication number: 20110094920Abstract: A container for molten metal includes an outlet for outflow of the molten metal from the container and a temperature measuring device fixed in a wall of the container. The temperature measuring device includes a plug, an outer protective sheath having a closed end, and an inner protective tube having a closed end. The inner protective tube is arranged within the outer protective sheath. A thermocouple is arranged within the inner protective tube. The plug includes a substantially refractory material and the outer protective sheath consists essentially of substantially refractory metal oxide and graphite. The outer protective sheath extends away from the first end of the plug and projects into a recessed portion of the wall of the container. The closed end of the outer protective sheath is arranged in the recessed portion. A junction of the thermocouple is proximate to the closed end of the inner protective tube.Type: ApplicationFiled: January 4, 2011Publication date: April 28, 2011Applicant: HERAEUS ELECTRO-NITE INTERNATIONAL N.V.Inventor: Martin KENDALL
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Publication number: 20110083958Abstract: A measuring device is provided having a protective cover and a sensor arranged in the protective cover. The protective cover has a carrier tube made of metal and closed on one end. A first coating made of an aluminum non-wettable material is arranged on an outer surface of the carrier tube, and a further coating made of aluminum-wettable material is applied on the first coating.Type: ApplicationFiled: May 28, 2009Publication date: April 14, 2011Applicant: HERAEUS ELECTRO-NITE INTERNATIONAL N.V.Inventors: Paul Verstreken, Jozef Theodoor Aegten
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Publication number: 20110084093Abstract: A dental mixing device (10) is provided for generating a multi-component material (11) by squeezing out and mixing the components of the multi-component material (11) from at least one first (20, 20?) and one second cartridge (30, 30?). The first cartridge (20, 20?) and the second cartridge (30, 30?) are arranged in the dental mixing device (10) such as to be replaceable. The mixing device has a first (21) and a second feed line (31) for guiding the components respectively from the first cartridge (20, 20?) and the second cartridge (30, 30?) into a mixer (40) and has a motorized advancer (50) for squeezing the components from the first (20, 20?) and the second cartridge (30, 30?). At least the first cartridge (20, 20?) is a unit-dose package and has a first volume between 20 ml and 60 ml.Type: ApplicationFiled: October 11, 2010Publication date: April 14, 2011Applicant: HERAEUS KULZER GMBHInventors: Klaus-Dieter NEHREN, Andreas GRUNDLER, Alf MEMMER
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Publication number: 20110034966Abstract: One aspect relates to an electrical bushing for an implantable medical device, having an annulus-like holding element for holding the electrical bushing in the implantable medical device, whereby the holding element includes a through-opening, at least one elongated conducting wire extends through the through-opening, and an insulation element for forming a hermetic seal between the holding element and the conducting wire is arranged in the through-opening. One aspect provides for a cermet-containing bearing element to be arranged between the insulation element and the conducting wire.Type: ApplicationFiled: August 4, 2010Publication date: February 10, 2011Applicant: W. C. HERAEUS GMBHInventors: Jens Troetzschel, Heiko Specht
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Publication number: 20110033335Abstract: One aspect is a method for producing an alloy, whereby the alloy includes at least a first metal and a second metal, whereby firstly a powder metallurgical route and subsequently a melt metallurgical route is used sequentially in order to generate the alloy from the, at least, first metal and the second metal. The method includes grinding the first metal into a first metal powder, grinding the second metal into a second metal powder, mixing the first metal powder and the second metal powder to produce a blended powder, generating a blended body from the blended powder by the powder metallurgical route, and generating the alloy by melting the blended body by the melt metallurgical route.Type: ApplicationFiled: August 6, 2010Publication date: February 10, 2011Applicant: W. C. HERAEUS GMBHInventors: Herwig Schiefer, Christoph Vogt, Heiko Specht, Jens Troetzschel
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Publication number: 20110034965Abstract: One aspect relates to an electrical bushing for an implantable medical device, having an annulus-like holding element for holding the electrical bushing in the implantable medical device, whereby the holding element includes a through-opening, at least one elongated conduction element extends through the through-opening, and an insulation element for forming a hermetic seal between the holding element and the conduction element is arranged in the through-opening. One aspect provides for the at least one conduction element to include a cermet.Type: ApplicationFiled: August 4, 2010Publication date: February 10, 2011Applicant: W. C. HERAEUS GMBHInventors: Jens Troetzschel, Heiko Specht
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Publication number: 20110015709Abstract: One aspect is a medical electrode system including a conduction coil and a stimulation electrode. The stimulation electrode encompasses a base body having a top area and an end area. The system is characterized in that the conduction coil encompasses a connection element. The connection element is thermally shrink-fitted onto the end area.Type: ApplicationFiled: July 16, 2010Publication date: January 20, 2011Applicant: W. C. HERAEUS GMBHInventors: Christoph Vogt, Lena Lewandrowski, Stefan Schibli, Christiane Leitold, René Richter
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Publication number: 20110015711Abstract: One aspect includes a stimulation electrode including a base body. The base body encompasses a top area and an end area, and the end area encompasses a screw thread at least area by area.Type: ApplicationFiled: July 16, 2010Publication date: January 20, 2011Applicant: W. C. HERAEUS GMBHInventors: Christoph Vogt, Lena Lewandrowski, Stefan Schibli, Christiane Leitold, René Richter
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Publication number: 20110015710Abstract: One aspect is a stimulation electrode including a base body. The base body encompasses a top area and an end area. The end area encompasses a groove-like, radially revolving coupling element, into which a connection area of a conduction coil can be pressed by means of plastic deformation.Type: ApplicationFiled: July 16, 2010Publication date: January 20, 2011Applicant: W. C. HERAEUS GMBHInventors: Christoph Vogt, Lena Lewandrowski, Stefan Schibli, Christiane Leitold, René Richter
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Publication number: 20110015673Abstract: A surgical suture material with an antimicrobial surface is described, the surface exhibiting a coating containing a) at least one fatty acid, b) octenidine dichloride and/or dequalinium chloride and c) optionally oligomeric lactic acid esters. In addition, a process for coating surgical suture material is described which is characterized by the fact that the thread material is wetted with a homogeneous methanolic solution of octenidine dichloride and/or dequalinium chloride and subsequently the methanol is evaporated, a coating forming on the thread surface.Type: ApplicationFiled: September 24, 2010Publication date: January 20, 2011Applicant: HERAEUS KULZER GMBHInventors: Sebastian VOGT, Klaus-Dieter Kühn, Hubert Büchner
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Publication number: 20110014399Abstract: A stimulation electrode is provided having an electrically conducting electrode base member which is partially covered with an electrically insulating ceramic layer. The ceramic layer is formed of an oxide and/or an oxynitride of at least one metal of the group of titanium, niobium. tantalum, zirconium, aluminum and silicon. Various methods are provided for production of the stimulation electrode, including methods in which the ceramic layer is formed in situ by a thermal, chemical or electrochemical oxidation or oxynitridation process. The stimulation electrode may be used as a cardiac pacemaker electrode, a neuro-stimulation electrode, or another human implant.Type: ApplicationFiled: September 28, 2010Publication date: January 20, 2011Applicant: W.C. HERAEUS GMBHInventors: Matthias FRERICKS, Oliver KEITEL, Frank Krüger, Heiko SPECHT, Hans-Jürgen WACHTER, Christiane LEITOLD
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Publication number: 20100329074Abstract: A device (10) for mixing and dispensing bone cement includes a mixing cylinder (20), in which a mixing plunger (21) is arranged, the mixing plunger (21) being axially movable by an actuation rod (50) guided out in a sealed manner at a first cylinder end (30). A sealing plunger (42) is arranged in a region of the first cylinder end (30), is axially movable on the actuation rod (50) and seals the mixing cylinder (20) in a gas-tight manner. A sterilization plunger (41) is arranged in the region of the first cylinder end (30) between the mixing plunger (21) and the sealing plunger (42), is axially movable on the actuation rod (50) separately from the sealing plunger (42), and seals the mixing cylinder (20) in a gas-permeable manner. The sterilization plunger (41) and the sealing plunger (42) form a two-part plunger system (40).Type: ApplicationFiled: June 28, 2010Publication date: December 30, 2010Applicant: HERAEUS MEDICAL GMBHInventors: Sebastian VOGT, Hubert BUECHNER
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Publication number: 20100329922Abstract: The addition of 0.5 to 30 ppm boron and 0.5 to 20 ppm calcium to iridium and the Zr- and Hf-free alloys thereof and rhodium and the Zr- and Hf-free alloys thereof surprisingly increases the creep rupture strength at high temperatures, in particular around 1,800° C.Type: ApplicationFiled: June 28, 2010Publication date: December 30, 2010Applicant: W.C. HERAEUS GMBHInventors: Uwe Hortig, Verena Baier, Harald Manhardt, Oliver Warkentin, David Francis Lupton
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Publication number: 20100316796Abstract: In a known method for producing a raised marking on a glass object, a suspension containing SiO2 particles is applied to a surface of the glass object as a pattern, and the pattern is compacted to form the marking. Starting from this, in order to enable a cost-effective production of an optically appealing and uniform marking on an object made of quartz glass, which marking is also suited for applications at high temperature or in a contamination-sensitive environment, such as in solar cell and semiconductor production, it is suggested according to the invention that a binder-free suspension be used to create a marking on a quartz glass object, the suspension containing a dispersion liquid and amorphous SiO2 particles having particle sizes of up to a maximum of 500 ?m, of which are between 0.2% by wt. and 15% by wt. SiO2 nanoparticles having particle sizes of less than 100 nm, and the solids content thereof, i.e.Type: ApplicationFiled: June 2, 2010Publication date: December 16, 2010Applicant: HERAEUS QUARZGLAS GMBH & CO. KGInventors: Juergen Weber, Norbert Traeger, Thilo Braemer, Waltraud Werdecker, Maximilian Kara