Patents Assigned to Heraeus Kulzer GmbH
  • Dental materials equipped with active anti-plaque substance(s)
    Publication number: 20090297458
    Abstract: A process by means of which the colonisation 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: Application
    Filed: April 24, 2009
    Publication date: December 3, 2009
    Applicant: HERAEUS KULZER GMBH
    Inventors: Klaus RUPPERT, Karl-Heinz Renz, Sebastian Vogt
  • System for the liberation of an active principle and its use
    Publication number: 20090280189
    Abstract: A local system for the liberation of an active principle is described which consists of spherical bodies which are composed of polymethyl methacrylate or polymethyl methacrylate co-methyl acrylate and, if necessary, zirconium dioxide and/or barium sulphate and a pharmaceutical active principle, which contains at least one hemostyptically effective compound stable at least up to 120° C., preferably a calcium salt. The local system for the liberation of an active principle is provided as medical product or drug.
    Type: Application
    Filed: July 21, 2009
    Publication date: November 12, 2009
    Applicant: HERAEUS KULZER GMBH
    Inventors: Klaus-Dieter Kühn, Sebastian Vogt
  • Reduction of the shrinkage force of tooth fillings
    Patent number: 7604480
    Abstract: A self-curing or dual-curing, low viscosity composite is used for the fabrication of a dental liner capable of polymerization in 2 stages with 2 curing times and delayed polymerization characteristics that is designed for use at the cavity wall in the form of a thin layer.
    Type: Grant
    Filed: November 7, 2006
    Date of Patent: October 20, 2009
    Assignee: Heraeus Kulzer GmbH
    Inventors: Andreas Grundler, Marcus Hoffmann
  • Hydrolysis-stable monomers with acid groups
    Patent number: 7582686
    Abstract: Compounds of the formula I R1—O—CO—C(?CHR)—Y—O-Q(AH)n??(I) where A stands for a —CO2— or —SO3— group which together with H+ yields AH, Q represents C1-12alkylene, C4-12alkylene interrupted by —O—, >N—, or —S—, or, in given cases, C6-15arylene substituted with C1-4alkyl, C1-4alkoxy or halogen, where in the case of arylene the aryl groups can carry additional acid groups A, Y stands for C1-12alkylene or C4-12alkylene interrupted by —O—, >N—, or —S—, R represents methyl or H, R1 is C1-6alkyl, and n assumes the values 1, 2, or 3 are particularly suitable for the production of self-etching dental adhesives.
    Type: Grant
    Filed: January 10, 2006
    Date of Patent: September 1, 2009
    Assignee: Heraeus Kulzer GmbH
    Inventors: Marcus Hoffmann, Albert Erdrich
  • Dyed polymethyl methacrylate bone cement and process for its production
    Patent number: 7569621
    Abstract: A dyed polymethyl methacrylate bone cement is described which is characterized by at least the surface of the polymer particles of the powder component being coated partially or completely with a mixture of one or several dyes and a hydrophobic, low molecular or oligomeric organic coupling agent, such a quantity of coupling agent being present that the polymer particles can be visually recognized as not having swollen.
    Type: Grant
    Filed: July 7, 2006
    Date of Patent: August 4, 2009
    Assignee: Heraeus Kulzer GmbH
    Inventors: Klaus-Dieter Kühn, Sebastian Vogt
  • Foam-generating, hardening compositions for forming impressions of surfaces and impression trays for use therewith
    Publication number: 20090098503
    Abstract: Foam-generating, hardening composition for making impressions of biological surfaces include A at least one impression material based on i isocyanates, which react with mono- and multi-functional amines and/or compounds having hydroxyl groups, to form urethane or urea, or ii A-silicones, or iii C-silicones, or iv Polyethers, or v alpha-silanes, or vi mixtures of two or more materials i to v, and optionally B at least one foaming agent. Impressions of biological surfaces made from this compound have a foam with closed pores.
    Type: Application
    Filed: April 3, 2008
    Publication date: April 16, 2009
    Applicant: Heraeus Kulzer GmbH
    Inventors: GOTTFRIED KNISPEL, Martin Grunwald, Andreas Grundler
  • SINGLE-DOSE PACKAGE
    Publication number: 20090084690
    Abstract: The invention relates to a single-dose package for liquid, pasty or semi-solid materials, with a fluid container of at least one lower and at least one upper partial container, whereby, after filling, the at least one lower partial container is provided to be connected at a common seam to the at least one upper partial container such that the upper partial container sits on top of the lower partial container at the seam, and the upper partial container carries a removal spout, on which a circumferential splash protection neck is provided.
    Type: Application
    Filed: September 29, 2008
    Publication date: April 2, 2009
    Applicant: HERAEUS KULZER GmbH
    Inventors: CHRISTIAN BRESSLER, MARCUS HOFFMAN
  • Dental Composites with a Low Shrinkage Tension and High Flexural Strength
    Publication number: 20090036565
    Abstract: Dental composite materials based on (meth)acrylate, exhibiting a proportion of TCD monomers in the total composition of 1-15% by weight and the quotient of flexural strength/shrinkage tension is at least 35.
    Type: Application
    Filed: July 7, 2008
    Publication date: February 5, 2009
    Applicant: HERAEUS KULZER GMBH
    Inventors: Andreas Utterodt, Klaus Ruppert, Matthias Schaub, Christine Diefenbach, Kurt Reischl, Alfred Hohmann, Michael Eck, Nelli Schonhof, Jutta Schneider
  • DENTAL CONTAINER WITH VAPOR-TIGHT, SEALABLE DROPPER INSERT
    Publication number: 20090026228
    Abstract: A drop system made of a liquid to be provided in drop form in the field of dentistry is contained in a container with a vapor-tight, sealable dropper insert made of light-impermeable plastic and a hollow space running in the dropper insert provided for the supply of a liquid. The hollow space has several tubular sections and a funnel-shaped outlet. The tubular section connecting to the funnel is formed as a tapering or restriction between the funnel-shaped section and another tubular section, and the funnel is arranged in a column-shaped dropper spout. A collection channel is arranged on the outer side of the dropper between the outer wall defining the hollow space and the part of the dropper insert covering the neck of the bottle.
    Type: Application
    Filed: February 1, 2007
    Publication date: January 29, 2009
    Applicant: Heraeus Kulzer GmbH
    Inventors: Christian Bressler, Marcus Hoffmann
  • STRENGTHENED, PRESSABLE CERAMIC COMPOSITIONS FOR DENTAL PURPOSES
    Publication number: 20090011916
    Abstract: Pressable glass-ceramic compositions for dental purposes of the composition I, II or III I II III 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: Application
    Filed: September 16, 2008
    Publication date: January 8, 2009
    Applicant: HERAEUS KULZER GMBH
    Inventor: Jurgen STEIDL
  • Method for Receiving a Medical Element in a Manipulation Apparatus, a Manipulation Apparatus, for a Medical Element and Implant
    Publication number: 20080280253
    Abstract: A method is disclosed for receiving a medical element in a manipulation apparatus in such a way that it can be inserted in an implant or be removed therefrom and the medical element is secured against longitudinal displacement by means of clip element, whereby a security element is introduced into the clip element such that the clip element is spread or blocked perpendicular to the longitudinal axis.
    Type: Application
    Filed: June 13, 2006
    Publication date: November 13, 2008
    Applicant: Heraeus Kulzer GmbH
    Inventors: Michael Augthun, Thomas Boschemeyer, Volkhard-Hagen Clostermann, Nico Dragotto, Klaus Haselhuhn, Manfred Peters, Hubertus Spiekermann, Karl-Wilhelm Theis
  • Method for the Production of Dental Moulding Materials and Device Therefor
    Publication number: 20080264809
    Abstract: Dynamic mixer for viscous pastes, having a buffer chamber for receiving multiple components and having no separation between buffer chamber and mixing chamber.
    Type: Application
    Filed: February 23, 2005
    Publication date: October 30, 2008
    Applicant: HERAEUS KULZER GMBH
    Inventors: Gottfried Knispel, Klaus-Dieter Nehren, Holger Urbas, Matthias Schaub, Alfred Von Schuckmann
  • SPACER-POLYMETHYLMETHACRYLATE BONE CEMENT
    Publication number: 20080269909
    Abstract: This describes a polymethylmethacrylate bone cement that is characterized in that it contains a hydrolytically-degradable X-ray opaquer with a Mohs hardness equal to or less than 3 and a water solubility at room temperature of less than 4 g per liter. The polymethylmethacrylate bone cement is used as temporary placeholder.
    Type: Application
    Filed: April 17, 2008
    Publication date: October 30, 2008
    Applicant: HERAEUS KULZER GMBH
    Inventors: SEBASTIAN VOGT, HUBERT BUCHNER, KLAUS-DIETER KUHN, UDO GOPP, MARC THOMSEN
  • Multi-Compartment Dosing For Small Amounts
    Publication number: 20080257907
    Abstract: An apparatus for dosing small amounts of liquid or pasty media as well as media containing filling material or reactive media having a defined processing time, comprising a housing with an outlet, a dosing unit which is in communication with the outlet and is arranged in or on the housing, and a reservoir, for the medium, which is in communication with the dosing unit and is arranged in or on the housing, said apparatus consisting, in a preferred exemplary embodiment, of a housing 1 comprising an outlet 12. In addition, the apparatus comprises a dosing unit as well as a reservoir 61 for the medium. A dosing shaft 2 which is sectionally surrounded by a translation shaft 3 is arranged in the housing 1. A discharge groove 33 is inserted in the translation shaft 3, with a control button 8 which passes through a groove 17 in the housing 1 being guided in said discharge groove 33.
    Type: Application
    Filed: August 5, 2005
    Publication date: October 23, 2008
    Applicant: HERAEUS KULZER GMBH
    Inventor: Jan-Dirk Reimers
  • KITS, THEIR PRODUCTION AND METHOD FOR BRIGHTENING COATING OF TEETH
    Publication number: 20080241797
    Abstract: A method for brightening of teeth is described, using a kit with the components A an alkaline, aqueous sodium fluoride solution, containing a gel former, B a dried gel, present in film strips, containing B1 at least one gel former, B2 phosphate or hydrogen phosphate ions, B3 optionally at least one amino acid, B4 optionally fluoride, B5 optionally glycerol, B6 optionally a carboxylic acid or a buffer system for one of the pH values from 4 to 7. C a dried gel, present in film strips, containing C1 at least one gel former, C2 calcium ions, C3 optionally glycerol, as well as preparation of the kit.
    Type: Application
    Filed: November 19, 2007
    Publication date: October 2, 2008
    Applicant: HERAEUS KULZER GMBH
    Inventors: SUSANNE BUSCH, ANDREAS UTTERODT, MARCUS HOFFMANN, CHRISTOPH MAETZIG
  • DENTAL INSTRUMENT
    Publication number: 20080227054
    Abstract: An angled dental shaft receptacle is provided for operating rotating instruments with an angled shaft. The angled shaft receptacle has a driver pin, and the driver pin is connected to the angled shaft of the instrument by a planar contact during operation. The rotating instrument is preferably a dental instrument.
    Type: Application
    Filed: March 14, 2008
    Publication date: September 18, 2008
    Applicant: HERAEUS KULZER GMBH
    Inventor: Jan-Dirk REIMERS
  • POLYMETHYLMETHACRYLATE REVISION BONE CEMENT
    Publication number: 20080213336
    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: Application
    Filed: January 22, 2008
    Publication date: September 4, 2008
    Applicant: Heraeus Kulzer GmbH
    Inventors: Klaus-Dieter Kuhn, Sebastian Vogt, Hubert Buchner
  • AGENT FOR PROTECTION OF TOOTH SURFACES, IN CONJUNCTION WITH CONVENTIONAL BLEACHING METHODS, BY BIOMIMETIC DEPOSITION OF FLUORAPATITE
    Publication number: 20080213197
    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: November 19, 2007
    Publication date: September 4, 2008
    Applicant: HERAEUS KULZER GMBH
    Inventors: SUSANNE BUSCH, ANDREAS UTTERODT, MARCUS HOFFMANN, CHRISTOPH MAETZIG
  • Kit For Repairing, Supplementing And Relining Dental Prostheses In A Dentist's Practice
    Publication number: 20080213724
    Abstract: Dental prosthesis repair kit, including a light-curing dental prosthesis repair material, a diamond grinder for the end of a dentist's tool holder, and a bonding agent solution.
    Type: Application
    Filed: November 19, 2004
    Publication date: September 4, 2008
    Applicant: Heraeus Kulzer GmbH
    Inventors: Albert Erdrich, Karl-Heinz Renz, Novica Savic
  • COMPOSITIONS FOR DENTAL COMPOSITES WITH TRICYCLO[5.2.1.02.6]DECANE DERIVATIVES
    Publication number: 20080167399
    Abstract: Compositions for dental composites comprising monomers, crosslinking agents, fillers, initiators, A the proportion of crosslinking agent being formed in an amount of more than 50% by acrylate monomers with a TCD urethane structure having the general formula in which A, X, Z, R1 R2 R3 and r have the meaning indicated in claim 1, provide polymerized composite materials with a particularly low cytotoxicity according to the standard requirements according to ISO 10993-5 and DIN EN ISO 7405.
    Type: Application
    Filed: December 10, 2007
    Publication date: July 10, 2008
    Applicant: HERAEUS KULZER GMBH
    Inventors: Andreas Utterodt, Klaus Ruppert, Matthias Schaub, Christine Diefenbach, Kurt Reischl, Alfred Hohmann, Michael Eck, Nelli Schonhof