Patents Assigned to Kulzer GmbH
  • Measuring device for the determination of several parameters during the production of total dental prostheses
    Patent number: 8347517
    Abstract: The invention relates to a measuring device of flexible material for the determination of parameters for the production of dental prostheses which combines different functions, including protractor, spacing template, ruler and an option of utilizing a compass-formed modulus shear measuring module to facilitate shearing.
    Type: Grant
    Filed: March 11, 2010
    Date of Patent: January 8, 2013
    Assignee: Heraeus Kulzer GmbH
    Inventor: Andreas Polei
  • Arrangement for the imaging of surface structures of three-dimensional objects
    Patent number: 8340466
    Abstract: The aim of the invention is the improvement of an arrangement for the imaging of surface structures of three-dimensional objects, comprising a device for the optical recording of the surface of at least a partial region of the three-dimensional object from different positions, such that the imaging of the object can be carried out with comparatively little complexity with high reproducible accuracy. According to the invention, the arrangement thus comprises a selection circuit (9), for the selection of a first image section (10) and a subsequent image module (11), in which at least one further image section (12) is digitally recorded.
    Type: Grant
    Filed: July 31, 2005
    Date of Patent: December 25, 2012
    Assignee: Heraeus Kulzer GmbH
    Inventors: Bernd Kordass, Christian Gärtner
  • DENTURE BASE MATERIAL THAT IS FRACTURE-RESISTANT AFTER CURING AND IS OBTAINED FROM AUTOPOLYMERIZING OR COLD-POLYMERIZING COMPOSITIONS
    Publication number: 20120309864
    Abstract: A fracture-resistant denture base material is obtained from an auto-polymerising or cold-polymerising composition containing (A) a liquid monomer component; (B) a powder-shaped component, and (C) at least one initiator or one initiator system for auto- or cold-polymerisation, whereby at least one member of the groups of aliphatic urethane acrylates and aliphatic urethane methacrylates is present in (A) or/and (B); whereby the fracture-resistant material shows, in particular, a fracture toughness of >1.8 MPa*m1/2 and a fracture work of >400 J/m2 after curing, and, preferably also shows a difference in the yellow value, also called b value, of maximally one unit after 8 weeks of storage in fully desalted water at 50° C. Preferably, no synthetic rubber is present.
    Type: Application
    Filed: May 14, 2012
    Publication date: December 6, 2012
    Applicant: HERAEUS KULZER GMBH
    Inventors: Klaus RUPPERT, Kevin KERSCHER
  • PRODUCTION OF INDIVIDUAL DENTAL PROSTHESIS VIA CAD/CAM AND RAPID MANUFACTORING/RAPID PROTOTYPING FROM DATA OF THE DIGITAL IMPRESSION
    Publication number: 20120258430
    Abstract: A method for automated manufacture of dentures including providing a digital data set of the individual denture to be produced, a digital separation of the model into dental arch and gingival, producing the dental arch from a ceramic or plastic material using cutting technology, producing the denture base through generative or ablative procedures from predominantly (meth-)acrylate-based plastic materials, connecting the dental arch and gingiva through bonding or joining or a combination of bonding and joining.
    Type: Application
    Filed: November 5, 2010
    Publication date: October 11, 2012
    Applicant: HERAEUS KULZER GMBH
    Inventors: Klaus Ruppert, Mario Beyer
  • AGENT FOR PROTECTION OF TOOTH SURFACES, IN CONJUNCTION WITH CONVENTIONAL BLEACHING METHODS, BY BIOMIMETIC DEPOSITION OF FLUORAPATITE
    Publication number: 20120195941
    Abstract: An agent for protection of tooth surfaces, in conjunction with conventional bleaching methods, by biomimetic deposition of fluorapatite, containing A at least one preformulated 50-1000 ?m thick gel film A, containing A1 at least one gel former, A2 water or a mixture of water and an organic solvent, A3 phosphate or hydrogen phosphate ions, A4 optionally fluoride, A5 optionally at least one amino acid, A6 optionally one carboxylic acid or a buffer system for a pH value from 4 to 7. B at least one 50 ?m to 5 mm thick gel film B, containing B1 at least one gel former, B2 water, B3 calcium ions Ca2±.
    Type: Application
    Filed: April 11, 2012
    Publication date: August 2, 2012
    Applicant: HERAEUS KULZER GMBH
    Inventors: Susanne Busch, Andreas Utterodt, Marcus Hoffmann, Christoph Maetzig
  • Applicator for a dental liquid
    Publication number: 20120189977
    Abstract: An applicator for a one-handed operation for storing and applying a dental liquid, including a container for the dental liquid and a tubing for guiding the dental liquid from the container to an applicator tip. The container is made of foil, which can be punctured by a mandrel. The dental liquid is expelled through a displacement plunger, whereby puncturing and expelling are effected through actuating a handle and the container is positioned with respect to the mandrel in suitable manner such that the advancing mechanism that is used to expel the dental liquid from the applicator is also used to puncture or slit open the foil with the mandrel, whereby the container is opened through the same force that is used to dispense the dental liquid and one-handed operability of the applicator is attained not only when the dental liquid is dispensed, but also when the container is being opened.
    Type: Application
    Filed: January 18, 2012
    Publication date: July 26, 2012
    Applicant: HERAEUS KULZER GMBH
    Inventors: Lutz Vocke, Jan Ziegler
  • Production of a Negative Mould for use in Producing of a Dental Prosthesis, a Temporary or Permanent Crown or Bridge
    Publication number: 20120175800
    Abstract: For producing a mother matrix mould of a full or partial dental prosthesis or of a temporary crown or bridge or of a permanent crown or bridge, the data of a digitalised virtual model reflecting the status of the jaw is used to generate a data set of the digital tooth set-up of the full or partial dental prosthesis or of the temporary crown or bridge or of the permanent crown or bridge, based on which a rapid manufacturing or rapid prototyping method is used to produce a functional model of the full or partial dental prosthesis or of the temporary crown or bridge or of the permanent crown or bridge that is then invested in a curable elastic impression material from which the mother matrix mould is produced after curing the elastic impression material.
    Type: Application
    Filed: August 9, 2010
    Publication date: July 12, 2012
    Applicant: HERAEUS KULZER GMBH
    Inventors: Klaus Ruppert, Mario Beyer
  • DENTAL MATERIALS CONTAINING ANTIMICROBIAL AGENTS, PARTICULARLY FOR THE PREVENTION OF PLAQUE DEPOSITS
    Publication number: 20120132104
    Abstract: Dental material is provided with at least one antimicrobial active substance that is applied onto inorganic particles or organic polymer beads and is bound non-covalently to the particles or polymer beads. This results in a dental material on which plaque colonisation is prevented.
    Type: Application
    Filed: July 24, 2010
    Publication date: May 31, 2012
    Applicant: HERAEUS KULZER GMBH
    Inventors: Klaus Ruppert, Mario Beyer, Sebastian Vogt
  • DENTURE FORMED FROM A POLYMERIZABLE DENTAL MATERIAL BASED ON METHYL METHACRYLATES AND SUITABLE FOR THE PRODUCTION OF PLASTICS FOR DENTURES
    Publication number: 20120016054
    Abstract: Denture formed from polymerizable dental material formed of a liquid component containing A) at least one liquid methyl methacrylate monomer component, B) at least one acrylated or methacrylated butadiene oligomer or acrylated or methacrylated butadiene polymer and/or an acrylated or methacrylated acrylonitrile-butadiene oligomer or acrylated or methacrylated acrylonitrile-butadiene polymer, and optionally a powder component containing a polymer powder or a bead polymer based on methacrylate.
    Type: Application
    Filed: September 26, 2011
    Publication date: January 19, 2012
    Applicant: HERAEUS KULZER GMBH
    Inventors: Karl-Heinz Renz, Novica Savic, Kevin Kerscher
  • Strenghtened, pressable ceramic compositions for dental purposes
    Patent number: 8097077
    Abstract: Pressable glass-ceramic compositions for dental purposes of the composition I, II or III I II III (percent by weight) (percent by weight) (percent by weight) ZrO2 17-70%? ZrO2/Al2O3 15-70%? Al2O3 15-70%? SiO2 17-59%? SiO2 17-59%? SiO2 17-59%? Al2O3 ?2-15% ZrO2 ?2-15% ZrO2 ?2-15% Y2O3 ??0-6% Y2O3 ??0-6% Y2O3 ??0-6% K2O 3-12.5%? K2O 3-12.5%? K2O 3-12.5%? Na2O 0.2-8.5%?? Na2O 0.2-8.5%?? Na2O 0.2-8.5%?? Li2O 0-1.5% Li2O 0-1.5% Li2O 0-1.5% CaO 0.3-2% CaO 0.3-2% CaO 0.3-2% B2O3 0.1-5% B2O3 0.1-5% B2O3 0.1-5% F 0-2.5% F 0-2.5% F 0-2.5% CeO2 0.2-2% CeO2 0.2-2% CeO2 0.2-2% TiO2 0-1.5% TiO2 0-1.5% TiO2 0-1.5% are particularly suitable for the manufacturing of ceramic veneer frames.
    Type: Grant
    Filed: March 6, 2009
    Date of Patent: January 17, 2012
    Assignee: Heraeus Kulzer GmbH
    Inventor: Jurgen Steidl
  • Antibiotic coating of implants
    Patent number: 8092824
    Abstract: An antibiotic coating of implants is described, which is characterized in that the coating comprises at least one saturated, organic, hydrophobic, low molecular matrix former whose melting point is in the temperature range of 45° C. to 100° C., in which a low molecular, hydrophobic additive is dissolved and that an antibiotic/antibiotics is/are suspended in the mixture of matrix former and additive and/or in which an antibiotic/antibiotics miscible with a mixture of matrix former and additive is/are dissolved.
    Type: Grant
    Filed: January 19, 2006
    Date of Patent: January 10, 2012
    Assignee: Heraeus Kulzer GmbH
    Inventors: Klaus-Dieter Kühn, Sebastian Vogt, Matthias Schnabelrauch
  • Dental materials equipped with active anti-plaque substance(s)
    Patent number: 8075905
    Abstract: A process by means of which the colonization by plaque on dental materials can be permanently prevented or delayed without the product properties of the dental material being negatively influenced. The process involves equipping the dental material with anti-plaque substance, namely at least one molecularly dispersely distributed octenidine salt or dequalinium salt. Also disclosed is a dental material so equipped.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: December 13, 2011
    Assignee: Heraeus Kulzer GmbH
    Inventors: Klaus Ruppert, Karl-Heinz Renz, Sebastian Vogt
  • Polymethylmethacrylate revision bone cement
    Patent number: 8075907
    Abstract: The invention relates to a PMMA revision bone cement having powder and liquid component, in which the powder component contains two or more granular antibiotics whose grain size distribution is equal in that the main screening fraction each of the individual antibiotics is in the same grain size range, in particular in the range of 100-250 ?m or 150-250 ?m.
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: December 13, 2011
    Assignee: Heraeus Kulzer GmbH
    Inventors: Klaus-Dieter Kühn, Sebastian Vogt, Hubert Büchner
  • Surgical suture material with an antimicrobial surface and process for providing an antimicrobial coating on surgical suture material
    Patent number: 8012173
    Abstract: 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: Grant
    Filed: September 24, 2010
    Date of Patent: September 6, 2011
    Assignee: Heraeus Kulzer GmbH
    Inventors: Sebastian Vogt, Klaus-Dieter Kuhn, Hubert Büchner
  • UNIT-DOSE PACKAGE FOR DENTAL MIXING DEVICE
    Publication number: 20110084093
    Abstract: 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: Application
    Filed: October 11, 2010
    Publication date: April 14, 2011
    Applicant: HERAEUS KULZER GMBH
    Inventors: Klaus-Dieter NEHREN, Andreas GRUNDLER, Alf MEMMER
  • Antibiotic/s containing bone substitute material with sustained active substance release
    Patent number: 7923019
    Abstract: Antibiotic/s containing bone substitute material is described which is characterized in that it is composed of a compacted mixture of granules of calcium sulfate dihydrate, calcium carbonate and at least one representative of the aminoglycoside antibiotics, lincosamide antibiotics, glycopeptide antibiotics, macrolide antibiotics, ketolide antibiotics, the nitroimidazoles, the fluorochinolone antibiotics and the oxazolidinone antibiotics, the steroid antibiotics, the antiseptic agents and the fungicidal/fungistatic antibiotics which are partly or entirely sheathed with a layer of glycerol tripalmitate and/or glycerol tristearate and/or glycerol trilaurate and/or 1-hexadecyl alcohol which connects the granules with each other.
    Type: Grant
    Filed: December 5, 2005
    Date of Patent: April 12, 2011
    Assignee: Heraeus Kulzer GmbH
    Inventors: Klaus-Dieter Kühn, Sebastian Vogt
  • LOCAL SYSTEM FOR THE RELEASE OF ACTIVE PRINCIPLE AND PROCESS FOR ITS MANUFACTURE
    Publication number: 20110062637
    Abstract: A local system for the release of active principle is described which consists of approximately spherical or rotation symmetrical bodies which are composed essentially of polymethyl methacrylate or polymethyl methacrylate co-methyl acrylate, zirconium dioxide or barium sulphate and one or more pharmaceutical active principles, in particular antibiotics, and which are produced by radical polymerisation, radical polymerisation activators effective in the temperature range of 10-80° C. or residues of these polymerisation activators from the groups of aromatic amines, heavy metal salts and barbiturates not being contained therein.
    Type: Application
    Filed: November 18, 2010
    Publication date: March 17, 2011
    Applicant: Heraeus Kulzer GmbH
    Inventors: Klaus-Dieter Kuhn, Sebastian Vogt
  • SURGICAL SUTURE MATERIAL WITH AN ANTIMICROBIAL SURFACE AND PROCESS FOR PROVIDING AN ANTIMICROBIAL COATING ON SURGICAL SUTURE MATERIAL
    Publication number: 20110015673
    Abstract: 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: Application
    Filed: September 24, 2010
    Publication date: January 20, 2011
    Applicant: HERAEUS KULZER GMBH
    Inventors: Sebastian VOGT, Klaus-Dieter Kühn, Hubert Büchner
  • Single-use cartridges for the storing and dispensing of dental two-component impression materials
    Publication number: 20100330525
    Abstract: Single-use cartridges for the storing and dispensing of dental two-component impression materials have a closable external chamber with a cylinder-shaped external wall, a cylindrical closable internal chamber that is arranged coaxially or eccentric therein, a mixing element including housing and mobile mixer that is to be mounted separately or connected firmly to the external chamber at its inlet end. Either the internal cylindrical chamber is arranged such that it can be rotated and forms the drive shaft for the mobile mixer part of the mixing element, or the drive shaft extends parallel to the central axis through the internal cylindrical chamber or forms the central axis. The content of the chambers can be dispensed by means of conveying means whose axial thrust motions can be controlled independent of each other.
    Type: Application
    Filed: June 29, 2010
    Publication date: December 30, 2010
    Applicant: HARAEUS KULZER GMBH
    Inventors: Andreas Grundler, Klaus-Dieter Nehren, Alfred von Schuckmann
  • Component mixer
    Patent number: D671968
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: December 4, 2012
    Assignee: Heraeus Kulzer GmbH
    Inventor: Ulrich Schmidt