Assignee: W. C. Heraeus GmbH

Location: Hanau, DE
No. of patents: 78

Number	Title	Issue Date
8414679	Producing an alloy with a powder metallurgical pre-material 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...	04/09/2013
8394170	Use of powder-metallurgical pre-material for producing an NB alloy that is free of inclusions One aspect is 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 ...	03/12/2013
8250844	Helically-wound cable and method A cable includes a first layer of wire helically wound to define a lumen having a lumen diameter. A second layer of wire is helically wound over the first layer. A first end segment of the second layer is configured with a plurality of strands that are fused togethe...	08/28/2012
8117817	Helically-wound cable and method A cable includes a first layer of wire helically wound to define a lumen having a lumen diameter. A second layer of wire is helically wound over the first layer. A first end segment of the second layer is configured with a plurality of strands that are fused togethe...	02/21/2012
7994692	Wire and frame, in particular niobium-based, for single-side socket lamps and a method for the production and use thereof A highly heat resistant wire based on niobium or tantalum or niobium tantalum alloy for single-side socket lamps is enriched, according to the invention, with phosphorus and converted into an annealed state. The wire exhibits a yield strength Rp 0.2 of at least 200 ...	08/09/2011
7683170	Methods for preparing Irinotecan Methods for manufacturing 7-ethyl-10-[4-(1-piperidino)-1-piperidino]-carbonyloxy-camptothecin are described comprising I. reacting a mixture of 1-chlorocarbonyl-4-piperidinopiperidine hydrochloride and 7-ethyl-10-hydroxycamptotheci...	03/23/2010
7331498	Method for refining and homogeneously distributing alloying partners and for removing undesirable reaction products and slags in or from soft solder during the production of fine solder powder Method for refining and homogeneously distributing alloying partners and for removing undesired reaction products such as oxides and/or slag in or from soft solder during the production of fine solder powder, in which the solder alloy is melted in a high temperature...	02/19/2008
7056126	Contact arrangement and use thereof A contact body, especially for switching contacts, has a substrate and a contact layer. The substrate is formed as a wire and the contact layer is arranged directly on the wire. ...	06/06/2006
5514261	Electroplating bath for the electrodeposition of silver-tin alloys Silver-tin alloys can be deposited by the galvanic method from a cyanide-free bath which is prepared using silver as the nitrate or diammine complex, tin as the soluble tin(II) or tin(IV) compound and mercaptoalkane-carboxylic acids and -sulfonic acids, U...	05/07/1996
5438175	Electric outlet element having double flash A thin galvanically deposited gold-containing surface layer is backed by a support layer containing a palladium alloy and having a thickness between 0.05 μm and 0.5 μm. In a preferred embodiment the surface layer and the support layer have a combined th...	08/01/1995
5421084	Manufacture of electrical contacts To manufacture a starting material for electrical contacts, such as relay contacts, a contact sandwich in the form of a metal strip made of a material of good electrical conductivity is bonded to a contact support strip consisting essentially of copper by...	06/06/1995
5372683	Method and apparatus for the electrolytic extraction of metals from a solution containing metal ions For the electrolytic extraction of metal from a solution containing metal ions and situated in a first cell, metal is cathodically deposited by means of an anode on an electrically conductive endless band immersed partially into the solution, and is redis...	12/13/1994
5356674	Process for applying ceramic coatings using a plasma jet carrying a free form non-metallic element Process for applying a coating of ceramic material on a substrate by plasma spraying. The material to be sprayed, which is incorporated in the plasma jet, includes a chemical compound one constituent of which is a non-metallic element from the group N, C,...	10/18/1994
5264156	Resistor composition for producing thick film resistors A resistor composition comprising a pyrochlore-related oxide a glass frit and, anorthite as a finely-divided filler. The resistor composition exhibits high tolerance in respect to firing temperatures. Thick film resistors obtained therefrom by firing on, ...	11/23/1993
5244601	Resistor composition and its use Resistor composition to produce thick film resistors, preferably the resistor films in sensors for temperature measurement, includes glass frit and an oxide which is at least one of CaCu3 Ru4 O12 and LaCu3 Ru	09/14/1993
5232891	Process for the manufacture of a gauze for a catalytic converter and a gauze for a catalytic converter manufactured according thereto Catalytic gauzes which have an enlarged surface can be manufactured from a wire made of 90Pt/10Rh, for example, by coating the wire with a base metal, thermally treating the wire under partial conversion of the 90Pt/10Rh into solid solutions with the base...	08/03/1993
5129572	Process for the manufacture of a metallic composite wire A rod made of a hard material is inserted into a pipe made of a relatively soft material, and a two-element arrangement having an intermediate size is obtained by hot-rolling and drawing. In these steps, the cross section is reduced by at least 50%. Subse...	07/14/1992
5052019	Pulse-generating sensor unit for remote sensing system In a digital remote-sensing system, in which the time intervals between pulses are modulated according to the value of the parameter being measured, an overly sensitive sensing element 30 may generate a pulse outside of the desired "time window", which mi...	09/24/1991
4937496	Xenon short arc discharge lamp A xenon short arc discharge lamp has a lamp bulb (1) of quartz glass, into which two rod-shaped electrodes (4, 5) protrude, the spacing of which is shorter than the diameter of the shaft (8) of the cathode (5); the cathode (5) is provided with a conical, ...	06/26/1990
4937714	Lighting system with halogen bulb A lighting system, including a light source having a light bulb and a reflector, has an interference filter applied to a portion of the outer surface of the light bulb. The interference filter has a high transparency for visible light and a high reflectiv...	06/26/1990
4924132	Temperature sensitive quartz oscillator crystal with temperature coefficient controlled in manufacture The principal surfaces of an oscillator quartz crystal body for a temperature sensor oscillator are plane, parallel and of substantially the same size and are oriented with respect to the usual x-y-z coordinate system of electric, mechanical and optic axe...	05/08/1990
4923816	Gassing incubator A gassing incubator for cultivating human or animal cells or tissues is known that has an inner case which can be closed by a door and is surrounded by a thermally insulating outer case. The outer case is spaced away from the side walls, back wall and roo...	05/08/1990
4910431	Hydrogen discharge ultraviolet light source or lamp, and method of its manufacture To protect the quartz of a quartz glass bulb (2) from attack by alkaline earth oxides emitted from electrodes (6) of the lamp, and prevent deterioration of the quartz in use of the lamp with respect to transmission of ultraviolet (UV) radiation, particula...	03/20/1990
4880988	Light and weathering testing apparatus To simplify separation of infrared (IR) radiation from visible and ultraviolet (UV) radiation emitted from a xenon lamp (2), the lamp is surrounded by a cylindrical filter (1) reflecting IR radiation inwardly of the filter but passing UV and visible spect...	11/14/1989
4876868	Method for forming an object of metal by cold pressing A method for forming in a single step metal slugs of tantalum, niobium or a base alloy of one of these metals, by cold pressing. A lubricant film is either an oxide coating on the metal, into which a polytetrafluorethylene of low molecular weight is embed...	10/31/1989
4874252	Electronic thermometer An electronic thermometer has an oscillator, the frequency determining element of which is a temperature sensitive piezoelectric element (2), used as a measuring sensor, which is located inside a sealed housing (3). The piezoelectric element is provided w...	10/17/1989
4872179	Laser apparatus with a multipass resonator A laser device includes a multipass resonator which has, in the beam path between two resonator end mirrors, at least two opposite beam folding mirrors with confronting mirror surfaces. At least one of the beam folding mirrors is limited in its width and ...	10/03/1989
4861168	Electronic thermometer An electronic thermometer has an oscillator, the frequency determining element of which is a temperature sensitive piezoelectric element, used as a measuring sensor, which is located in a sealed housing of electrically insulating material. The piezoelectr...	08/29/1989
4844746	Method of producing a tantalum stock material of high ductility A method is described for the production of a ductile tantalum stock material for high-speed deformation use. A bar-shaped body is made from directly reduced tantalum powder of a given purity and is remelted repeatedly as a consumable electrode in an elec...	07/04/1989
4836071	Modular punch apparatus for punching complex shapes from a metal ribbon or tape To permit high-speed punching of complex shapes in extremely thin metal strips or ribbons, particularly for miniaturized semiconductor terminal elements, while using standardizing modular punch press components sush as a die, a stripper element and a punc...	06/06/1989
4830668	Acidic bath for electroless deposition of gold films In an aqueous bath for electroless deposition of gold films, of the type containing a source of gold in oxidized form, a reducing agent, a stabilizer of 2-mercaptobenzothiazole or a derivative thereof, the improvement comprising said source of gold being ...	05/16/1989
4812613	Beam guiding optical system for laser radiation A beam guiding optical system for laser radiation, especially for the radiation of a medical laser, for the continuous adjustment of focal length is described, which is distinguished by the fact that aberrations are largely prevented. The beam guiding opt...	03/14/1989
4778202	Tubular component made out of quartz glass with a flange Tubular components made out of quartz glass or fused quartz, such as tubes, bells, hoods, or pans, with a flange fused or welded onto them are known. To improve cooling such a tubular component, especially the sealing surfaces of the flange, heat conducti...	10/18/1988
4778537	Method of making a thermocouple and so-made thermocouple To make a jacketed thermoelement, two metal wires, one of which is pure platinum, preferably of at least 99.9, and even higher purity, and the other being a platinum/rhodium alloy are included in a ceramic element. The wires are first threaded into capill...	10/18/1988
4765874	Laminated electrode the use thereof Laminated electrodes and a method for their preparation are described, these electrodes being composed of electrically conductive plastic having catalytic particles, composed of a catalyst deposited on supporting particles, pressed partially into the plas...	08/23/1988
4759710	Apparatus for melting a solder by vapor-phase treatment Apparatus for melting by vapor-phase treatment a solder applied to an object. The liquid serving for vapor production, which is situated in a vessel, is heated by electrical heating means which are disposed exclusively outside of the vessel and are comple...	07/26/1988
4755019	Optical fiber coupling To permit operation of the light guide under widely varying temperature conditions, for example varying between -50° C. to +70° C., plug elements (5,7), for example of synthetic rubies or sapphires and retained within a hard metal sleeve (4) are formed,...	07/05/1988
4752937	Gas laser and production process therefor A gas laser has a coolable inner electrode for connection to a radio-frequency power source and a coolable outer electrode that is coaxial with and radially spaced from the inner electrode with an excitation space containing the gas to be excited in the r...	06/21/1988
4748071	Decal for decoration with bright noble metal By using a ceramic decal whose design layer consists of a bright noble metal preparation containing a thermoplastic resin and which is covered by a layer of a lead borosilicate glaze frit, it is possible to produce in a single firing a bright noble metal ...	05/31/1988
4747645	Illumination system for material testing apparatus To separate ultraviolet (UV) radiation emitted from a light source (9) from impinging on infrared (IR) filters, in which the respective filters filter the radiation from the light source to result in controlled spectral distribution simulating, at least a...	05/31/1988

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Assignee: W. C. Heraeus GmbH