Patents Assigned to Kulzer GmbH
  • Patent number: 11311462
    Abstract: Provided are adhesive monomers for dental materials including compounds represented by the general formula (1) below, in which the core (X) and the terminal group (Y1) are bonded to each other directly or via the linking group (Z): X(Y1)n1a(Z—Y1)n1b(1) wherein n1a represents the number of terminal groups (Y1) directly bonded to the core (X), n1b represents the number of terminal groups (Y1) bonded to the core (X) via the linking group (Z), and the sum of n1a and n1b is equal to the valence of the core (X); the core (X), the linking group (Z) and the terminal group (Y1) are further defined. The adhesive monomers can enhance adhesive strength to the tooth in dental treatment, and impart high mechanical strength to cured products.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: April 26, 2022
    Assignees: MITSUI CHEMICALS, INC., KULZER GMBH
    Inventors: Yoko Kosugi, Akiko Matsumoto, Kazuhiko Yoshinaga, Michael Gerlach, Maria Lechmann-Dorn, Jutta Schneider, Andreas Utterodt
  • Patent number: 11311357
    Abstract: A polymerizable dental composite material comprising (i) 70 to 85% by weight of an inorganic filler component comprising at least one dental glass and optionally at least one amorphous metal oxide, (ii) 10 to 30% by weight of a mixture of at least two different urethane (meth)acrylates, (iii) 0.01 to 5% by weight of at least one di-, tri-, tetra- or multi-functional monomer not being a urethane (meth)acrylate, (iv) 0.01 to 10% by weight of at least one initiator, of an initiator system as well as optionally of at least one stabilizer and optionally of at least one pigment, wherein the total composition of the composite material amounts to 100% by weight, as well as a polymerized composite material having a flexural strength of greater than or equal to 200 MPa and an elastic modulus of 15 to 20 GPa for producing indirect dentures.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: April 26, 2022
    Assignee: KULZER GMBH
    Inventors: Andreas Utterodt, Kurt Reischl, Nelli Schönhof, Michael Eck, Raif Kocoglu, Jutta Schneider, Caroline Kempka
  • Patent number: 11273019
    Abstract: The invention relates to a method for producing a dental prosthesis from a prosthesis base and a plurality of prosthesis teeth, characterized by the following chronological steps: providing the prosthesis teeth and the prosthesis base, wherein the prosthesis base comprises a plurality of tooth sockets for locating the basal surfaces of the prosthesis teeth; applying a plastically deformable connecting means onto the tooth sockets and/or basally onto the prosthesis teeth; locating the prosthesis teeth into the tooth sockets of the prosthesis base and in this situation connecting with the aid of connecting means to the prosthesis base in such a way that the prosthesis teeth, after locating in the tooth sockets, are movable in relation to the prosthesis base, wherein the position and the alignment of the prosthesis teeth to the prosthesis base remain retained if no external force effect is exerted onto the prosthesis teeth; changing the position and/or the alignment of at least one prosthesis tooth in the pro
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: March 15, 2022
    Assignee: Kulzer GmbH
    Inventors: Jochen Sagolla, Helmut Redemann, Matthias Funk
  • Patent number: 11273018
    Abstract: Dental blank for the production of a dental prosthetic restoration, in particular of a multi-coloured dental prosthetic restoration, by processing removing the outer region of the blank, comprising (i) an inner connecting element having an preferably peg-shaped scaffold region in the direction of the coronal region of the dental blank and an implant connection geometry in the radicular direction of the dental blank, (ii) wherein the scaffold region of the connecting element is connected to a dentin scaffold region in the direction of the coronal region of the blank, and wherein (iii) the dentin scaffold region is connected to an (iv) outer region of the blank in the region of enamel in the direction of the coronal region of the blank, and wherein (v) the dental blank has an inner elongated lumen for fastening of the produced dental prosthetic restoration on an implant or abutment by means of a connecting screw or a bolt.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: March 15, 2022
    Assignee: Kulzer GmbH
    Inventors: Uwe Böhm, Mario Beyer
  • Patent number: 11234904
    Abstract: A polymerisable dental composite material comprising (i) 70 to 85% by weight of an inorganic filler component comprising at least one dental glass and optionally at least one amorphous metal oxide, (ii) 10 to 30% by weight of at least one monomer comprising 1,3-bis(5?-alkyl-3?,8?-dioxo-2?-aza-4?,7?-dioxa-decyl-9?-en)phenyl and/or 1,3-bis(5?,9?-dialkyl-3?,8?-dioxo-2?-aza-4?,7?-dioxa-decyl-9?-en)phenyl, (iii) 0.01 to 5% by weight of at least one di-, tri-, tetra- or multi-functional monomer not being a urethane (meth)acrylate, (iv) 0.01 to 10% by weight of at least one initiator, of an initiator system and optionally of at least one stabilizer and optionally of at least one pigment, wherein the total composition of the composite material amounts to 100% by weight, and a polymerized composite material having a flexural strength of greater than or equal to 190 MPa and an elastic modulus of 12 to 21 GPa for the production of indirect dentures.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: February 1, 2022
    Assignee: KULZER GMBH
    Inventors: Andreas Utterodt, Kurt Reischl, Nelli Schönhof, Michael Eck, Raif Kocoglu, Jutta Schneider, Caroline Kempka
  • Publication number: 20220017255
    Abstract: The invention relates to a container (30), in particular a bottle (30), for storing and optionally applying a liquid, solvent-containing compositions, having a multi-layer wall (20) comprising at least one side wall of the bottle, the bottom of the bottle and optionally a discharge region at the opening of the bottle, the multi-layer wall (20) comprising at least an inner layer (21), a barrier layer (22) and an outer layer (23), the barrier layer (22) being adapted to form a barrier for oxygen and/or water vapour, the inner layer (21) and/or the outer layer (23) having a microcellular structure (24), the microcellular structure (24) having fluid bubbles (25), and the fluid bubbles (25) being product of a physically and/or chemically introduced blowing agent.
    Type: Application
    Filed: December 11, 2019
    Publication date: January 20, 2022
    Applicant: KULZER GMBH
    Inventors: Andrea KEMENY, Mike KONDZIELA
  • Publication number: 20220017286
    Abstract: The invention relates to a multi-layer wall, in particular thermally insulated hollow bodies or containers (30), the multi-layer wall (20) comprising at least an inner layer (21), a barrier layer (22) and an outer layer (23), the barrier layer (22) being adapted to form a barrier for oxygen and/or water vapour, the inner layer (21) and/or the outer layer (23) having a microcellular structure (24), the microcellular structure (24) having fluid bubbles (25), and the fluid bubbles (25) being product of a physically and/or chemically introduced blowing agent.
    Type: Application
    Filed: December 11, 2019
    Publication date: January 20, 2022
    Applicant: KULZER GMBH
    Inventors: Andrea KEMENY, Mike KONDZIELA
  • Publication number: 20220008166
    Abstract: The invention relates to a mixing capsule (1) comprising a first chamber (2) to receive a composition A and a second chamber (3) to receive a composition B, characterised in that the first chamber (2) and the second chamber (3) are arranged rotatably about the longitudinal axis (5) of the mixing capsule (1), the first chamber (2) comprising a first opening (25), the second chamber (3) comprising a second opening (26), the first opening (25) and the second opening (26) being arranged perpendicularly to the longitudinal axis (5) and plan-parallelly to each other and/or perpendicularly spaced, the first opening (25) and the second opening (26) being arranged incongruently to each other in a storage position (4), the first opening (25) and the second opening (26) being arranged congruently to each other in a handling position (6). Furthermore, the invention relates to a method for mixing at least two compositions A and B to a composition C in a mixing capsule and to a use of the mixing capsule.
    Type: Application
    Filed: September 11, 2019
    Publication date: January 13, 2022
    Applicant: KULZER GMBH
    Inventor: Andrea KEMENY
  • Patent number: 11219505
    Abstract: A polymerisable dental composite material comprising (i) 70 to 85% by weight of an inorganic filler component comprising at least one dental glass and optionally at least one amorphous metal oxide, (ii) 10 to 30% by weight of a mixture of at least two different urethane(meth)acrylates, (iii) 0.01 to 5% by weight of at least one di-, tri-, tetra- or multi-functional monomer not being a urethane(meth)acrylate, (iv) 0.01 to 10% by weight of at least one initiator, of an initiator system and optionally of at least one stabilizer and optionally of at least one pigment, wherein the total composition of the composite material amounts to 100% by weight, as well as a polymerized composite material having a flexural strength of greater than or equal to 200 MPa and an elastic modulus of 15 to 20 GPa for the production of indirect dentures.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: January 11, 2022
    Assignee: Kulzer GmbH
    Inventors: Andreas Utterodt, Kurt Reischl, Nelli Schönhof, Michael Eck, Raif Kocoglu, Jutta Schneider, Caroline Kempka
  • Patent number: 11213371
    Abstract: The invention relates to a scan abutment (2) for determination of the position of the plane of the front face (1.1) of a dental endosseous implant (1), wherein the abutment (2) has a longish, hollow shaft (4) and a base (3) at the bottom side (4.2) of the shaft (4), and the base (3) with at least a part of its bottom side (8.2) is attachable onto the front face (1.1) of the implant (1), wherein the base (3) has a recess (9) extending from the upper side (8.1) to the lower side (8.2) of the base (3), wherein the longish, hollow shaft (4) has from a side wall (10) having at least one through hole (5a) at its outer periphery, wherein the through hole of the side wall (10) extends from the bottom side (4.2) of the shaft (4) to the upper side (4.1) of the shaft, thereby forming a planar surface (6) in the plane (12) between shaft (4) and base (3).
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: January 4, 2022
    Assignee: KULZER GMBH
    Inventor: Matthias Funk
  • Patent number: 11207157
    Abstract: The invention relates to a scan abutment (2), in particular an integrally manufactured scan abutment, for determination of the position of the front face (1.1) of a dental endosseous implant (1), wherein the abutment (2) has a longish, hollow shaft (4), and the shaft has an upper region (4.1), a central region (4.2) and a lower region (4.3). Moreover, the shaft (4) of the scan abutment with its central region (4.2) is attachable onto the front face (1.1) of the implant (1), and its lower region (4.3) is insertable into the connection geometry of the implant. The longish, hollow shaft (4) has a side wall (10). The shaft of the scan abutment has at least two to terminally extending slits (5) in its central region (4.2) and lower region (4.3) in the side wall (10). Two, three or four slits are preferred. Preferably, the slits (5) end in one recess (6) each, such as a circular recess, in the side wall (10) at their upper end and extend terminally in the side wall (10) to the bottom side of the shaft (4).
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: December 28, 2021
    Assignee: Kulzer GmbH
    Inventor: Matthias Funk
  • Publication number: 20210353508
    Abstract: A polymerisable, radiation curable composition comprising (i) monomers comprising: (a) at least one acrylic acid ester having an additional carboxy group, acrylic acid ester having at least one additional anhydride group of carboxy groups, and/or derivative of the afore-mentioned acrylic acid esters, (b) at least one di-functional acrylate having a bivalent alicyclic group and/or at least one di-functional methacrylate having a bivalent alicyclic group, and (c) optionally, at least one disubstituted 4,4?-di(oxabenzene) dialkyl methane of formula I, and (ii) at least one further component comprising: (d) at least one photoinitiator for the UV and/or Vis spectral region or a photoinitiator system. The composition is suitable for producing dental prosthetic parts, orthopaedic appliances or dental pre-forms, having a) a flexural strength 50 MPa, b) an E-modulus ?1500 MPa, c) a bending fracture ?1.1 MPa m1/2, and/or d) a fracture work >250 J/m2 DIN EN ISO 20795-2.
    Type: Application
    Filed: September 20, 2019
    Publication date: November 18, 2021
    Applicant: KULZER GMBH
    Inventor: Alfred HOHMANN
  • Patent number: 11123170
    Abstract: Methods produce a three-dimensional dental block of material from a dental, polymerizable material. The methods include at least: transferring the polymerizable dental material into a radiolucent three-dimensional casting or press mold; irradiating the polymerizable dental material substantially from all sides with light in the UV/Vis spectral region forming polymerized outer surfaces of the dental material in the form of a solid outer shell of the dental material, wherein the shell is present in the defined three-dimensional geometry of the material whilst the inner region of the material is not polymerized or partially polymerized; heating the material with solid shell being present in defined three-dimensional geometry, to 60° C. to 150° C. for at least 90 minutes; and obtaining a dental, polymerized block of material having defined three-dimensional geometry.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: September 21, 2021
    Assignee: KULZER GMBH
    Inventors: Klaus Ruppert, Alfred Hohmann
  • Publication number: 20210196426
    Abstract: The invention relates to a mixing capsule (1) comprising a housing (2), characterised in that a first part of the housing (3) is mounted rotatably about a rotational axis against a second part of the housing (4), the rotational axis corresponding to the longitudinal axis of the housing (2), the first part of the housing (3) comprising at least one first chamber (5) to receive a composition A, the second part of the housing (4) comprising at least one second chamber (6) to receive a composition B, the at least one first chamber (5) and the at least one second chamber (6) being initially closed respectively, a first outlet opening (7) of the at least one first chamber (5) standing substantially congruently above a second outlet opening (8) of the at least one second chamber (6) when the first part of the housing (3) being rotated about a predefined angle against the second part of the housing (4), the first outlet opening (7) and/or the second outlet opening (8) being adapted to transfer composition A into the
    Type: Application
    Filed: September 11, 2019
    Publication date: July 1, 2021
    Applicant: KULZER GMBH
    Inventor: Andrea KEMENY
  • Publication number: 20210186656
    Abstract: The invention relates to a mixing capsule (1) comprising a housing in the form of a cylinder, characterised in that the mixing capsule has an applicator (2) at the top surface (15) of the cylinder and an auxiliary capsule (3) at the base surface of the cylinder being mounted displaceably in the direction of the longitudinal axis, the auxiliary capsule (3) being mounted displaceably in the direction of the longitudinal axis in a cylindrical inside pipe (4) and/or a mounting of the mixing capsule (1), the housing of the mixing capsule comprising an outer housing sleeve (5) and an inner housing sleeve (6) being mounted rotatably against each other and displaceably into each other, the auxiliary capsule (3) and the cylindrical inside pipe (4) and/or the mounting taking a first partial volume of the internal volume (9) of the mixing capsule (1) in a first position of the inner housing sleeve (6), the mixing capsule (1) having a second partial volume of the internal volume (9) being independent from the auxiliary c
    Type: Application
    Filed: September 11, 2019
    Publication date: June 24, 2021
    Applicant: KULZER GMBH
    Inventor: Andrea KEMENY
  • Publication number: 20210186655
    Abstract: The invention relates to a mixing capsule (1) comprising a first chamber (2) to receive a composition A and a second chamber (3) to receive a composition B, characterised in that the first chamber (2) and the second chamber (3) are arranged rotatably about the longitudinal axis (5) of the mixing capsule (1), the first chamber (2) comprising a first opening (25), the second chamber (3) comprising a second opening (26), the first opening (25) and the second opening (26) being arranged perpendicularly to the longitudinal axis (5) and plan-parallelly to each other and/or perpendicularly spaced, the first opening (25) and the second opening (26) being arranged incongruently to each other in a storage position (4), the first opening (25) and the second opening (26) being arranged congruently to each other in a handling position (6). Furthermore, the invention relates to a method for mixing at least two compositions A and B to a composition C in a mixing capsule and to a use of the mixing capsule.
    Type: Application
    Filed: September 11, 2019
    Publication date: June 24, 2021
    Applicant: KULZER GMBH
    Inventor: Andrea KEMENY
  • Patent number: 11039904
    Abstract: A method for producing a dental prosthesis, and a dental prosthesis made according to the method, the method having the following chronological steps: a) producing a first, provisional dental prosthesis comprising a prosthetic base and provisional prosthetic teeth having occlusal surfaces, whereby data that indicate at least a 3-dimensional form of the occlusal surfaces are stored or have been stored as data record A, b) after subtractive occlusal processing of at least one of the provisional prosthetic teeth, determining at least the 3-dimensional occlusal surfaces of the processed provisional prosthetic teeth, or determining the 3-dimensional surface of the first dental prosthesis is determined as a whole, c) storing data that indicate at least a form of the 3-dimensional occlusal surfaces as data record B, d) calculating, via a computer comparison of data record B with data record A, differences in the forms of the provisional prosthetic teeth before and after subtractive occlusal processing and, from t
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: June 22, 2021
    Assignee: Kulzer GmbH
    Inventors: Uwe Boehm, Yohannes Woldegergis
  • Publication number: 20210169608
    Abstract: Disclosed is a two-component mixing capsule for intake and for mixing of two compositions with a capsule housing having a discharge spout at its front end, wherein the mixing capsule comprises a first mixing chamber and a second mixing chamber, wherein the two mixing chambers may be separated from each other for storage or for transport, by the first mixing chamber being rotatable into a first position in which the first mixing chamber is separated from mixing chamber, by a rotatably mounted handhold element, the rotational axis of which is approximately perpendicularly arranged to the longitudinal axis of the mixing capsule. The two mixing chambers form a common mixing chamber by rotating the first mixing chamber into a second position in which the central axes of the first and second mixing chamber are substantially coaxially arranged, wherein the composition may be discharged after mixing by attaching a squeezing piston.
    Type: Application
    Filed: May 24, 2018
    Publication date: June 10, 2021
    Applicant: KULZER GMBH
    Inventors: Andrea KEMENY, Mike KONDZIELA, Ralf SUFFEL, Andreas UTTERODT, Michael ECK, Raif KOCOGLU, Markus BALKENHOL
  • Patent number: 11007302
    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: Grant
    Filed: June 30, 2015
    Date of Patent: May 18, 2021
    Assignee: KULZER GMBH
    Inventors: Klaus Ruppert, Alfred Hohmann, Stephan Dekert
  • Patent number: 10945822
    Abstract: Method for producing a three-dimensional model of at least a partial jaw comprising: fully-automatic shaping of at least one recess for accommodating a laboratory analogue into the alveolar ridge of the model using three-dimensional scanning data and shaping the depth, position, and orientation of the at least one recess such that the crestal end of the laboratory analogue inserted into said recess coincides with the crestal end of the dental implant in the jaw; or fully-automatic shaping of at least one vestibular, lingual or palatinal feed-through through the model into the at least one recess using three-dimensional scanning data and arranging the feed-through such that the crestal end of a laboratory analogue coincides with the crestal end of the dental implant in the jaw when the laboratory analogue is fixed in place with a pin inserted through the feed-through in the model into an opening in the laboratory analogue.
    Type: Grant
    Filed: January 9, 2017
    Date of Patent: March 16, 2021
    Assignee: HERAEUS KULZER GMBH
    Inventors: Yohannes Woldegergis, Stefan Hormann, Helmut Redemann, Uwe Boehm