Abstract: The invention relates to dental micro-applicators having a body with a distal and a proximal end, whereby, on the proximal end, an application aid is provided, at least in part, with at least one additive selected from metals, metal-containing compounds, and organometallic compounds for affecting the polymerisation of dental materials, as well as a method for the production thereof and a kit comprising the applicator and a dental adhesive.
Type:
Application
Filed:
May 27, 2015
Publication date:
July 6, 2017
Applicant:
HERAEUS KULZER GMBH
Inventors:
Waltraut LOH, Astrit KASTRATI, Bärbel QUINQUE, Regina EPPINGER, Marcus HOFFMANN
Abstract: The invention proposes an antibiotic polymethylmethacrylate bone cement that is composed of methylmethacrylate, at least one polymethylmethacrylate or a polymethylmethacrylate-copolymer, at least one polymerisation initiator, such as in radical initiator, at least one polymerisation accelerator, and at least one radiopaquer, whereby the components are present in a powdered component and a liquid monomer component or in two components that are pasty at room temperature. The polymethylmethacrylate bone cement according to the invention comprises the cyclical lipopeptide, daptomycin, a pharmacologically tolerable salt of daptomycin, a solvate and/or a hydrate containing daptomycin and at least one calcium salt, which preferably comprises at least two different release profiles.
Abstract: The subject matter of the invention is a three-dimensional moulded body, in particular a milling blank, made of a polymerisable prosthetic material, which is suitable for milling machining by means of CNC and/or CAD/CAM, having a fracture toughness of greater than or equal to 1.9 Mpa·m1/2 and a fracture work of greater than or equal to 900 J/m2. The milling blank preferably comprises core-shell particles modified by an elastic phase and is optionally based on a content of urethane (meth)acrylate polymerised into the polymer. Moreover, a subject matter of the invention is the use of the milling blanks for the production of at least parts of dental prosthetic parts, such as a prosthesis, artificial teeth, bridges, or of orthodontic appliances and instruments in medical field.
Type:
Application
Filed:
June 30, 2015
Publication date:
June 8, 2017
Applicant:
HERAEUS KULZER GMBH
Inventors:
Klaus RUPPERT, Alfred HOHMANN, Stephan DEKERT
Abstract: The invention relates to a device and a method for the production of three-dimensional objects, in particular of at least parts of dental prosthetic restorations, by a stripping device wiping off plastic material, which protrudes vertically beyond a container, into a collecting container and forms a projection surface. In particular, a stripping device and a light source are simultaneously guided, at a defined distance, across the liquid light-curing plastic material, whereby the stripping device is guided at a defined distance right ahead of the light source and forms the projection surface for the illuminated field of the light source.
Abstract: The subject matter of the invention is an autopolymerisable two-component prosthetic base material and a method for its production comprising A) at least one liquid monomer component, and B) at least one powdered component, whereby the prosthetic material comprises in components (A) and/or (B) (i) at least one initiator or one initiator system for autopolymerisation, (ii) core-shell particles modified by an elastic phase, and (iii) at least one urethane (meth)acrylate.
Type:
Application
Filed:
June 30, 2015
Publication date:
June 1, 2017
Applicant:
HERAEUS KULZER GMBH
Inventors:
Klaus RUPPERT, Alfred HOHMANN, Stephan DEKERT
Abstract: The invention relates to a method for producing a component from an at least partially amorphous metal alloy, having the steps of: preparing a powder of an at least partially amorphous metal alloy, wherein the powder consists of spherical powder particles and the powder particles have a diameter of less than 125 ?m; pressing the powder into the desired shape of the component to be generated; compressing and sintering the powder by means of a heat treatment of the powder during pressing or after pressing at a temperature between the transformation temperature and the crystallisation temperature of the amorphous phase of the metal alloy, wherein the duration of the heat treatment is chosen such that the component is sintered after heat treatment and has an amorphous fraction of at least 85 percent.
Type:
Application
Filed:
May 12, 2015
Publication date:
June 1, 2017
Applicant:
HERAEUS DEUTSCHLAND GMBH & CO. KG
Inventors:
Alexander ELSEN, Annette LUKAS, Hans-Jürgen WACHTER
Abstract: One aspect relates to a device including a hollow body, an inner volume and a surrounding volume. The inner volume includes an electronic component and the hollow body encloses the inner volume and includes a first component, a second component and an electrode. The first component is electrically conductive and the second component electrically insulates the electrode from the first component. The electrode includes a cermet, connects the inner volume to the surrounding volume in an electrically conductive manner, and includes a contact surface. The contact surface contacts eukaryotic tissue and has a maximum distance from the electronic component of less than 80 mm.
Abstract: A sampler has a sample chamber for a sample forming from a molten material, at least one lower cooling body, at least one upper cooling body, at least one inner cooling body, and at least one filling part. The sample chamber is surrounded jointly at least by the lower cooling body and the inner cooling body, such that at least the sample chamber can be cooled by at least the lower and inner cooling bodies. The filling part merges into the sample chamber by a filling opening. Between a region of the outer surface of the inner cooling body and a region of the outer surface of the upper cooling body opposite the outer surface of the inner cooling body, the sampler has at least one gap for conducting at least one gas. The volume of the respective cooling bodies is larger than the volume of the gap.
Abstract: The invention relates to a particulate glass filler wherein glass particles of 0.2 to 1 ?m mean particle size are connected with other particles, the connection being effected by the glass material itself. More precisely particulate glass filler comprising glass particles, wherein the particles contains centrally located macro glass particles and on the outer surface located micro glass particles wherein the macro and micro glass particles are connected by the material of said particles. Further the invention relates to a method for manufacturing the glass particles and the particulate glass filler comprising said glass particles. It also relates to a composite or dental material comprising the above particulate glass filler.
Type:
Grant
Filed:
May 13, 2014
Date of Patent:
May 9, 2017
Assignee:
HERAEUS KULZER GMBH
Inventors:
Wenling Yang, Hengchang Xu, Andreas Utterodt
Abstract: The invention relates to an optoelectronic module, more particularly to an optoelectronic chip-on-board module. The optoelectronic module comprises a substrate, wherein the substrate has a planar design. Furthermore, the optoelectronic module comprises a plurality of optoelectronic components that are arranged on the substrate. Furthermore, the optoelectronic module comprises a lens system having a plurality of lenses. The lens system comprises at least two lenses with different directivities.
Type:
Grant
Filed:
July 6, 2012
Date of Patent:
May 2, 2017
Assignee:
HERAEUS NOBLELIGHT GMBH
Inventors:
Susanne Schadt, Michael Peil, Harald Maiweg, Florin Oswald, Marcus Krauel
Abstract: A carrier and the clip are used to produce a packaging having a lead frame by connection to the chip using sintering of the solidified sintering pastes in one work step. The carrier may be a lead frame and a clip for at least one semiconductor element has at least one functional surface for connecting to the semiconductor element and a plurality of connections. The material of the carrier or of the clip includes a metal and a layer made of a solidified sintering paste. The sintering paste may contain silver and/or a silver compound. The sintering paste is arranged on the functional surface. The carrier or clip and the layer made of sintering paste form an intermediate product that can be connected to the semiconductor element.
Type:
Application
Filed:
March 26, 2015
Publication date:
April 27, 2017
Applicant:
HERAEUS DEUTSCHLAND GMBH & CO. KG
Inventors:
Michael BENEDIKT, Thomas KREBS, Michael SCHÄFER, Wolfgang SCHMITT, Andreas HINRICH, Andreas KLEIN, Alexander BRAND, Martin BLEIFUSS
Abstract: An Al2O3 carrier has a thin-film structure of platinum or a platinum alloy arranged thereon. The carrier and/or the thin-film structure are adapted to reduce mechanical stresses owing to different thermal expansion coefficients. The carrier and/or the thin-film structure include a surface of the carrier in the region of the thin-film structure is smoothed at least in sections to reduce the adhesion and/or a surface of the carrier has an intermediate layer on which the thin-film structure is arranged. The thermal expansion coefficient of the intermediate layer is from 8*10?6/K to 16*10?6/K, in particular from 8.5*10?6/K to 14*10?6/K, and/or the thin-film structure has at least one conductor path that is undular at least in sections, said conductor path extends laterally along the surface of the carrier.
Type:
Application
Filed:
March 25, 2015
Publication date:
April 20, 2017
Applicant:
HERAEUS SENSOR TECHNOLOGY GMBH
Inventors:
Thomas LOOSE, Stefan DIETMANN, Alfred FLECKENSTEIN, Dieter TEUSCH
Abstract: The invention relates to a support and/or clip for at least one semiconductor element with at least one functional surface (10) for connecting to the semiconductor element. The invention is further characterized by at least one solder resist cavity (12) with at least one flank wall (13), in particular a straight flank wall (13), and a delimiting edge (14) which adjoins the flank wall (13) and delimits the functional surface (10) at least on one side. The delimiting edge (14) forms a protrusion (15) which protrudes past the functional surface (10) in order to retain solder, and/or the flank wall (13) forms an undercut (16) for retaining solder at the delimiting edge (14).
Type:
Application
Filed:
March 26, 2015
Publication date:
April 20, 2017
Applicant:
HERAEUS DEUTSCHLAND GMBH & CO. KG
Inventors:
Andreas HINRICH, Reinhard DITZEL, Andreas KLEIN
Abstract: One embodiment relates to a pump device with an impeller; a pump housing, including a wall surrounding an interior having an inlet and an outlet. The impeller is provided in the interior of the pump housing. The pump housing includes at least one first part-region, at least two further part-regions and at least one third part-region. The at least one first part-region includes, to an extent of at least 60% by weight, based on the total weight of the first part-region, at least one nonmagnetic material, wherein the at least two further part-regions comprise, to an extent of at least 25% by weight, based on the total weight of the further part-region, at least one ferromagnetic material metal, wherein the at least one third part-region comprises a metal content in a range from 40% to 90% by weight, based on the total weight of the third part-region.
Type:
Application
Filed:
March 23, 2015
Publication date:
April 13, 2017
Applicant:
HERAEUS DEUTSCHLAND GMBH & CO. KG
Inventors:
Stefan SCHIBLI, Jörg-Martin GEBERT, Ulrich HAUSCH, Oliver KEITEL
Abstract: A polymerizable polymethylmethacrylate bone cement, in which the initial viscosity of the cement dough can be controlled. The polymerizable bone cement composition comprises a monomer for radical polymerization, a powdered polymethylmethacrylate-co-polymer soluble in the monomer or a mixture comprising polymethylmethacrylate-co-polymers, a polymerization initiator, and a radiopaquer, wherein the powdered polymethylmethacrylate-co-polymer comprises at least one particulate polymethylmethacrylate-co-polymer having a molar mass of more than or equal to 200,000 g/mol, and the polymethylmethacrylate-co-polymer is obtainable by polymerization of a mixture of 90.0% or more by weight methylmethacrylate and 10.0% or less by weight of one or more comonomers, wherein the weight ratio of component A comprising the polymethylmethacrylate-co-polymer, radiopaquer, and polymerization initiator, and component B comprising a monomer for radical polymerization, stabiliser, and polymerization accelerator, is approximately 2.
Abstract: Device for coating a medical implant, including a hollow body and a body arranged in the hollow body so as to be mobile therein and movable out of the hollow body at least in part; which body comprises at least one calcium salt with a Mohs hardness of no more than 5.5 on the surface thereof.
Abstract: A superstructure for oral, dental and maxillofacial prostheses includes at least one anchoring dental element and at least one additional dental element, wherein the additional dental element has an internal hollow portion forming a closed cavity inside the same element. With respect to the known technology in the field, the superstructure of the invention offers the advantage of being lighter, more comfortable and less bothersome for the user, thanks to the substantial reduction in weight due to the smaller quantities of material used for producing it.
Abstract: A method for producing highly pure platinum on an industrial scale, as well as the use of said highly pure platinum. According to the method, a hexahalogenoplatinate is reduced to platinum in acidic conditions.
Type:
Grant
Filed:
March 4, 2014
Date of Patent:
February 7, 2017
Assignee:
HERAEUS DEUTSCHLAND GMBH & CO., KG
Inventors:
Joachim Kralik, Martin Stettner, Hermann Von Eiff, Jan Schapp
Abstract: A sensor element with a thin-film structure is made of platinum or a platinum alloy. The structure being applied to a ceramic substrate, in particular an Al2O3 substrate and being covered by a glass-ceramic coating. The glass-ceramic coating has an outer surface with surface profiling. A sensor module, a measuring assembly, and an exhaust-gas re-circulation system include the sensor element.
Type:
Application
Filed:
April 14, 2015
Publication date:
February 2, 2017
Applicant:
HERAEUS SENSOR TECHNOLOGY GMBH
Inventors:
Karlheinz WIENAND, Tim ASMUS, Peter PITZIUS
Abstract: Gingiva indexing devices and methods with various defined red colour regions have a colour grey card or grey card assigned to it for detecting the gingiva status, in particular for producing a gingival restoration. The devices and method comprise an analysis of at least one region of the gingiva status with regard to its shades of red, the position of the shades of red, the colour profile of the shades of red, their geometry and/or their morphology. The analysis can take place manually and/or digitally, and gingiva information is obtained, in particular in the form of a gingiva map, and optional production of a virtual or real model of a gingival restoration as a reproduction of the missing part of the gums and/or part of gingiva.