Patents Assigned to Kulzer GmbH
  • Compositions based on silane-terminated polyethers and their use
    Publication number: 20060047063
    Abstract: Compositions containing (A) at least one silane-terminated polyether derivative with a content of polyether groups from 10 to 98% and a content of 1 to 25% terminal groups with the structure —NR1—X—Si(OR2)mR3(3-m)??(I) in which m denotes 1, 2 or 3 R1, R2, R3 independently of each other denote H or a saturated or unsaturated, linear, branched, cyclic or polycyclic hydrocarbon group with 0 to 10 heteroatoms from the group O, N, S and a total of 1 to 30 carbon atoms, X denotes a group with the empirical formula CnH2n, n denotes a whole number ?3, with the stipulation that n>3, if R1 stands for H, (B1) water and (B2) at least one organic or inorganic acid, as well as optional diluents and/or fillers and/or ordinary additives, are suitable for preparation of molding compounds, especially in the dental field.
    Type: Application
    Filed: August 2, 2005
    Publication date: March 2, 2006
    Applicant: HERAEUS KULZER GMBH
    Inventors: Matthias Schaub, Markus Klein, Holger Urbas, Gottfried Knispel
  • Multicolor tooth used as a layering model in preparing veneers
    Patent number: 6994545
    Abstract: Model tooth for purposes of orientation in dental technical procedures, in which the natural, ordinary layering of neck material, dentin, and enamel is realized using three highly contrasting, translucent materials of different colors that can be distinguished from one another, in a ratio of 1:1.
    Type: Grant
    Filed: October 22, 2002
    Date of Patent: February 7, 2006
    Assignee: Heraeus Kulzer GmbH & Co. KG
    Inventors: Olaf Mrotzek, Novica Savic
  • Process for antibiotic coating of elements with interconnecting microcavities, elements thus coated as well as their usage
    Patent number: 6984410
    Abstract: The invention concerns the manufacture of an antibiotic coating of elements with interconnecting microcavities, elements thus coated as well as their use. In a preferred embodiment, a homogenous solution of a gentamicin derivative in a solvent is introduced into the microcavities of non-metallic elements with interconnecting microcavities through dipping, spraying and dripping, and following evaporation or vaporization of the solvent, a layer of the gentamicin derivative is formed on the surface of the microcavities.
    Type: Grant
    Filed: August 13, 2002
    Date of Patent: January 10, 2006
    Assignee: Heraeus Kulzer GmbH & Co. KG
    Inventors: Sebastian Vogt, Matthias Schnabelrauch, Klaus-Dieter Kühn
  • Ceramic or composite blank
    Publication number: 20050260377
    Abstract: A ceramic or composite blank for the purpose of attaching it to at least one magnet in the clamping chuck of a machine for material-removing processing, supporting a magnetic or magnetizable part on at least one of its two opposite sides.
    Type: Application
    Filed: May 3, 2005
    Publication date: November 24, 2005
    Applicant: Heraeus Kulzer GmbH
    Inventor: Wulf Bramer
  • Strengthened, pressable ceramic compositions for dental purposes
    Publication number: 20050241528
    Abstract: Pressable glass-ceramic compositions for dental purposes of the composition I, II or III I II III ZrO2 ?17-70%? ZrO2/ ?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: February 7, 2005
    Publication date: November 3, 2005
    Applicant: Heraeus Kulzer GmbH
    Inventor: Jurgen Steidl
  • Agglomerated fillers for dental materials
    Publication number: 20050234148
    Abstract: Agglomerated inorganic glass fillers for dental materials comprising 0.5 to 50 ?m large agglomerates of inorganic glass particles having a particle size of 200 to 7,000 nm that are fused at their boundary surfaces with at least one adjacent particle, are particularly suitable for dental materials with good polishability, lasting shine and good abrasion-resistance.
    Type: Application
    Filed: April 6, 2005
    Publication date: October 20, 2005
    Applicant: Heraeus Kulzer GmbH
    Inventors: Klaus Ruppert, Andreas Grundler, Albert Erdrich
  • Dispersions of nanoscale, non-agglomerated particles for use in dental materials
    Publication number: 20050215659
    Abstract: Dental materials containing an aqueous and/or organic solvent or dispersion with nanoparticles dispersed in it that have an average particle size of 1 to <10 nm and are not agglomerated are particularly suitable for use as filling composites, fastening cement, prostheses base materials, crown veneer composites and bridge veneer composites or adhesives. Preferably the dental materials in accordance with the invention contain SiO2 and/or ZrO2 and/or Al2O3 and/or TiO2 nanoparticles.
    Type: Application
    Filed: February 18, 2005
    Publication date: September 29, 2005
    Applicant: Heraeus Kulzer GmbH
    Inventors: Klaus Ruppert, Andreas Grundler, Albert Erdrich
  • Process for mixing and device for the regulation of the fill level of pasty multi-component materials in containers
    Publication number: 20050205606
    Abstract: Module for adjustment of the fill level of components in the containers of a multi-component mixing device, which is interchangeable with a static or dynamic mixer of said multicomponent device, into which amounts of the individual components are discharged until a predetermined ratio of said components is reached, at which time the module is removed and replaced by the static or dynamic mixer.
    Type: Application
    Filed: January 14, 2005
    Publication date: September 22, 2005
    Applicant: Heraeus Kulzer GmbH
    Inventors: Klaus-Dieter Nehren, Alf Memmer, Norbert Weber, Udo Friese
  • Method for producing antibiotic composites
    Patent number: 6942877
    Abstract: A method for producing antibiotic composites is described, which is characterized in that a salt, which can be subjected to plastic deformation and which consists of at least one cationic component of a protonated antibiotics base from the groups of aminoglycoside antibiotics, the lincosamide antibiotics and the tetracycline antibiotics and of at least one anionic components from the group of organic sulfates and/or organic sulfonates and/or fatty acid esters, is used as a binding agent for the fixation of inorganic composite components and/or possibly organic composite components and possibly for the molding of the composites while adding water, especially through pressing, extrusion, rolling, calendering and grinding processes.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: September 13, 2005
    Assignee: Heraeus Kulzer GmbH & Co. KG
    Inventors: Sebastian Vogt, Matthias Schnabelrauch, Klaus-Dieter Kühn
  • Packed, flowable fibrous or highly viscous dental materials
    Publication number: 20050194409
    Abstract: Bicameral pressurized containers are suitable for the packing and dispensing of flowable highly viscous or flowable fibrous dental materials.
    Type: Application
    Filed: February 11, 2005
    Publication date: September 8, 2005
    Applicant: Heraeus Kulzer GmbH
    Inventors: Christian Bressler, Novica Savic, Karl-Heinz Renz
  • Flowable underfilling material
    Publication number: 20050192375
    Abstract: A flowable, light-curing underfilling material that is easily visible and distinguishable from the tooth substance. The underfilling material contains at least one polymerizable monomer, at least one polymerization initiator and also 0.3-10% white pigment.
    Type: Application
    Filed: February 3, 2005
    Publication date: September 1, 2005
    Applicant: Heraeus Kulzer GmbH
    Inventors: Andreas Grundler, Albert Erdrich, Michael Greczmiel, Claus-Peter Ernst
  • Device for opening a tubular bag and its application
    Publication number: 20050161454
    Abstract: Device for opening a tubular bag with a blade attached to an inserting tube, wherein the blade is equipped with at least one edge for lancing the tubular bag and with at least one edge for cutting the tubular bag and the shape of the blade is aligned to the inner wall of the outlet for the material contained in the bag.
    Type: Application
    Filed: December 27, 2004
    Publication date: July 28, 2005
    Applicant: Heraeus Kulzer GmbH
    Inventors: Klaus-Dieter Nehren, Gottfried Knispel, Monika Thelen, Holger Urbas, Martina Becker, Markus Klein
  • Multi-component cartridge and its application
    Publication number: 20050155269
    Abstract: Two-chamber cartridges for dispensing viscous pastes in which at least one of the chambers has a target break point that does not lie on the surface, of a common wall between the chambers.
    Type: Application
    Filed: December 16, 2004
    Publication date: July 21, 2005
    Applicant: Heraeus Kulzer GmbH
    Inventors: Klaus-Dieter Nehren, Matthias Schaub, Christian Bressler, Benedikt Pollock
  • Plastic capsule for the storage and delivery of dental material
    Publication number: 20050147939
    Abstract: Plastic capsule for the storage and delivery of dental material, wherein the capsule is made of polyoxymethylene, and the use of said capsule for highly viscous dental materials.
    Type: Application
    Filed: March 28, 2003
    Publication date: July 7, 2005
    Applicant: Heraeus Kulzer GmbH & Co. KG
    Inventor: Hans-Joachim Zumkeller
  • Antibiotic(s) preparation with retarding active ingredient release
    Patent number: 6913764
    Abstract: The present invention concerns an antibiotic/antibiotics preparation for resorbable and non-resorbable implants for human and veterinary medicine, for the treatment of local microbial infections in hard and soft tissue.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: July 5, 2005
    Assignee: Heraeus Kulzer GmbH & Co. KG
    Inventors: Sebastian Vogt, Matthias Schnabelrauch, Klaus-Dieter Kühn
  • Prosthesis material
    Publication number: 20050131098
    Abstract: Prosthesis material having improved stability during storage, reduced plaque affinity and improved polishing properties.
    Type: Application
    Filed: January 31, 2005
    Publication date: June 16, 2005
    Applicant: Heraeus Kulzer GmbH & Co. KG
    Inventors: Frank Stange, Novica Savic, Albert Erdrich, Teresa Puchalska, Bettina Korthaus
  • Sealing piston for cartridges with de-aeration and barrier properties
    Publication number: 20050087565
    Abstract: A cylindrical cartridge for receiving a pasty material, having a sealing piston and a spreading piston insertable into the sealing piston which, sealing piston and spreading piston, when inserted into said cartridge, cooperate to vent air from and seal said cartridge.
    Type: Application
    Filed: September 2, 2004
    Publication date: April 28, 2005
    Applicant: Heraeus Kulzer GmbH & Co., KG
    Inventor: Klaus-Dieter Nehren
  • Use of mixtures as impression or doubling compositions in the dental area
    Patent number: 6884828
    Abstract: A dental impression or doubling composition comprising A) alkoxysilyl-functional polyethers with linear or branched main chains with an average molecular weight (Mn) of 800 to 20,000, containing 20 to 95 weight percent of polyether groups and 0.2 to 25 weight percent of SIR1R2R3 alkoxysilyl groups, in which R1, R2 and R3, independently of one another, are hydrogen, alkyl or alkoxy, and 0 to 10 weight percent of urethane groups or 0 to 10 weight percent of urea groups, and B) a mixture, containing water and organic and/or inorganic acids in a ratio by weight of 1:0.01 to 1:40.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: April 26, 2005
    Assignee: Heraeus Kulzer GmbH & Co.KG
    Inventors: Matthias Schaub, Michael Freckmann, Holger Urbas
  • Process for producing a prosthesis and a prosthesis material
    Patent number: 6881360
    Abstract: A process for producing a dental prosthesis wherein an impression is taken of the patient's mouth, a working model is created, a base plate is applied to the working model, an insulating film is applied to the base plate, a tooth arrangement in wax is formed on the base plate, a framework of the teeth is then formed with an investment compound, the wax is then boiled out and replaced with a curable material which is subsequently hardened.
    Type: Grant
    Filed: March 21, 2002
    Date of Patent: April 19, 2005
    Assignee: Heraeus Kulzer GmbH & Co. KG
    Inventors: Frank Stange, Novica Savic, Albert Erdrich, Teresa Puchalska, Bettina Korthaus
  • Tooth filling material
    Publication number: 20050080156
    Abstract: A tooth filling material of powder and liquid is described, essentially consisting of a mixture of the following ingredients: A) an organic, self-hardening component and B) an inorganic component that involves a curing reaction with the formation of crystals and expansion, C) water, with the characterizing property that, after mixing, the mixture remains plastically deformable in a processing time of 2 to 5 minutes and then hardens within 10 to 15 minutes.
    Type: Application
    Filed: August 25, 2004
    Publication date: April 14, 2005
    Applicant: Heraeus Kulzer GmbH & Co.
    Inventors: Wulf Bramer, Ulrich Koops, Gerhard Dehm