Dental Patents (Class 106/35)
  • Patent number: 11964072
    Abstract: The present invention relates to a soft tissue adhesive comprising an aqueous composition comprising ?-TCP and a phosphorylated amino acid. The composition has improved mechanical strength and is easily applied to the tissue.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: April 23, 2024
    Assignee: BIOMIMETIC INNOVATIONS LIMITED
    Inventors: Philip Procter, Håkan Engqvist, Michael Pujari-Palmer, Gerard Insley
  • Patent number: 11951193
    Abstract: A monomer composition for a dental material including a compound represented by Formula (1). In Formula (1), X represents an n-valent organic group having from 1 to 200 carbon atoms and containing at least one selected from the group consisting of an oxygen atom and a nitrogen atom, in which the at least one selected from the group consisting of an oxygen atom and a nitrogen atom is bound to Y; and each Y represents a (meth)acryloyl group-containing group (Y1) represented by the following Formula (A), a (meth)acryloyl group (Y2), a hydrogen atom, or a hydrocarbon group having from 1 to 20 carbon atoms, with the proviso that at least one or more Y, among all Ys included in the compound represented by Formula (1), is the (meth)acryloyl group-containing group (Y1).
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: April 9, 2024
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Takenori Mitamura, Yoko Kosugi
  • Patent number: 11918664
    Abstract: The present invention relates to an aqueous dental glass ionomer composition for use in the treatment of cavitated carious lesions, which composition comprises a water-soluble, polymerizable polymer comprising acidic groups, which is reactive with the particulate glass in a cement reaction, whereby the polymerizable polymer has a polymer backbone and pendant groups having one or more polymerizable carbon-carbon double bonds. The dental glass ionomer composition is used as a permanent direct restoration.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: March 5, 2024
    Assignee: DENTSPLY SIRONA INC.
    Inventors: Florian Szillat, Caroline Renn, Christoph Weber, Uwe Walz, Joachim Klee
  • Patent number: 11912801
    Abstract: A curable composition is provided comprising a urethane (meth)acrylate oligomer, a urethane (urea) phosphonate ad-hesion promoter, optionally reactive diluents, and an initiator. The use of the urethane (urea) phosphonate adhesion promotor provides better ageing stability and adhesion, as measured by T-peel adhesion test, than the use of other conventional adhesion promotors.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: February 27, 2024
    Assignee: 3M Innovative Properties Company
    Inventors: Ying Lin, Sheng Ye, Thomas P. Klun, Semra Colak Atan, Jerald K. Rasmussen
  • Patent number: 11912629
    Abstract: A method for enhancing mechanical properties of sintered, zirconia ceramic bodies and zirconia ceramic dental restorations is provided. A porous or pre-sintered stage of a ceramic body may be treated with a tantalum-containing composition prior to sintering. Alternatively, zirconia ceramic powder may be coated with a tantalum-containing composition prior to forming a shaped ceramic body. After sintering, the resulting ceramic bodies have enhanced mechanical properties, such as greater fracture toughness, without a significant decrease in optical properties.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: February 27, 2024
    Assignee: James R. Glidewell Dental Ceramics, Inc.
    Inventors: Jae Won Kim, Enoch Park
  • Patent number: 11883080
    Abstract: Implants, systems, and methods of reverse dynamization. The implants, such as expandable spinal implants, bone plates, and intramedullary nails, are securable to bone. The implant may have a moveable component creating a semi-rigid configuration to allow for micro-motion of the bone for a period of time. The moveable component is changeable, for example, based on material properties, change of state, or mechanical or electrical operation, to a static condition creating a rigid configuration to prevent subsequent movement of the bone. The reverse dynamization implants may be used to accelerate bone healing and obtain superior bone fracture healing.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: January 30, 2024
    Assignee: Globus Medical, Inc
    Inventors: Catherine Krawiec, Peter Evans, Chad Glerum
  • Patent number: 11878940
    Abstract: A silicate-based glass composition includes: 50-70 wt. % SiO2, 0.01-10 wt. % P2O5, 10-30 wt. % Na2O, 0.01-10 wt. % CaO, 0.01-10 wt. % MO, and 15-30 wt. % R2O, such that MO is the sum of MgO, CaO, SrO, BeO, and BaO, and R2O is the sum of Na2O, K2O, Li2O, Rb2O, and Cs2O.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: January 23, 2024
    Assignee: CORNING INCORPORATED
    Inventors: Qiang Fu, Qing Zhou
  • Patent number: 11857698
    Abstract: The present invention relates generally to the field of bone graft substitutes and methods for making the same, particularly the invention relates to bone graft substitutes for use in dental or orthopaedic implants. The bone graft substitutes described herein comprise a silicate based material. The silicate based material is a silicate network with a porous structure. The silicate network has one or more metal cations incorporated therein. Preferably a phosphate is also incorporated into the silicate network. The bone graft substitute may have a low density, preferably a density of less than 1.1 g/cm3. The bone graft substitute may be an aerogel or a cryogel.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: January 2, 2024
    Assignee: UCL BUSINESS LTD
    Inventors: Niall Kent, Marc-Olivier Coppens
  • Patent number: 11857676
    Abstract: The present disclosure relates to compositions and methods for treating oral pain. The compositions disclosed herein may comprise a dissolvable carrier containing at least one active ingredient. In some embodiments, the active ingredients comprise guaiacol, eugenol, glycerin, menthol oil, peppermint oil, oregano oil, and cardamom oil. The methods disclosed herein comprise treating oral pain in a subject using the compositions disclosed herein, wherein such compositions are configured as a paste that can be molded on or about a surface exhibiting oral pain in a subject's oral cavity. Such compositions are resistant to the moist environment of the subject's oral cavity and provide rapid, effective pain relief in the subject.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: January 2, 2024
    Assignee: ORCA PRODUCTS, LLC
    Inventors: Craig Schmidtke, John Graham
  • Patent number: 11839521
    Abstract: The present invention provides assemblies, kits, and methods including a compressible material. Optionally, a hardenable dental composition (e.g., an adhesive or primer) is in contact with the compressible material for bonding a dental article (e.g., an orthodontic appliance) to a tooth structure. Removal of excess hardenable and/or hardened dental composition, if desired, can be facilitated for embodiments in which the hardenable dental composition is an unfilled or a lightly filled composition.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: December 12, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventor: David K. Cinader, Jr.
  • Patent number: 11793602
    Abstract: Dental compositions (e.g., adhesives, cements, primers, sealants, and etchants) and related methods of use are disclosed herein. The dental compositions can include diamond particles. The diamond particles can have an average size of below 10 microns. In some instances, the dental adhesives can act as a one-part dental adhesive, and can be configured to remove portions of the smear layer and act as an adhesive or bonding agent.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: October 24, 2023
    Assignee: ULTRADENT PRODUCTS, INC.
    Inventors: Robert Edward Sorenson, Andy Takashi Kawamoto
  • Patent number: 11793620
    Abstract: In a tooth whitening method, a whitening composition is applied to at least one tooth. The whitening composition is maintained on the at least one tooth for a first time period. After the first time period, a light radiation is directed toward the at least one tooth for a second time period. The first time period has a duration greater than 50% of a total duration of the first and second time periods.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: October 24, 2023
    Assignee: The Procter & Gamble Company
    Inventor: Paul Albert Sagel
  • Patent number: 11759404
    Abstract: A composite filler comprising thermally processed porous inorganic mixed particles of silica and at least one heteroparticle selected from the group consisting of zirconia, hafnia, or yttria and a polymer occupying the pores of the porous inorganic mixed particles, wherein the porous inorganic mixed particles are thermally processed at a temperature of from 650 to 900° C., as well as a dental restorative comprising a resin and a composite filler, and optionally other fillers, wherein said resin has a refractive index that increases upon curing, and wherein the opacities of the both uncured and cured restorative are less than 45.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: September 19, 2023
    Assignees: Kerr Corporation, Transparent Materials, LLC
    Inventors: Joseph F. Bringley, Patrick M. Lambert, Weijie Huang
  • Patent number: 11744781
    Abstract: To provide a dental photopolymerizable composition which can prepare a dental restoration with excellent aesthetic and mechanical properties by optical three-dimensional modeling method (stereolithography). The dental photopolymerizable composition for 3D printer of the present invention comprises: a (a) (meth)acrylate-based polymerizable monomer consisting of a (a1) (meth)acrylate-based polymerizable monomer containing a urethane structure and a (a2) (meth)acrylate-based polymerizable monomer not containing a urethane structure, a (b) cohesive inorganic filler, and a (c) photopolymerization initiator, wherein; a ratio of the (a1) (meth)acrylate-based polymerizable monomer containing a urethane structure and the (a2) (meth)acrylate-based polymerizable monomer not containing a urethane structure in the (a) (meth)acrylate-based polymerizable monomer is 51 to 80: 49 to 20 pts.wt., a ratio of the (a) (meth)acrylate-based polymerizable monomer and the (b) cohesive inorganic filler is 50 to 91: 50 to 9 pts.wt.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: September 5, 2023
    Assignee: SHOFU INC.
    Inventors: Mamoru Hosokawa, Hidefumi Fujimura
  • Patent number: 11744685
    Abstract: Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools.
    Type: Grant
    Filed: June 27, 2022
    Date of Patent: September 5, 2023
    Assignee: Ivoclar Vivadent AG
    Inventors: Marcel Schweiger, Volker Rheinberger, Harald Bürke, Wolfram Höland, Elke Signer-Apel, Christian Ritzberger, Dmitri Brodkin
  • Patent number: 11576751
    Abstract: The invention is directed to a composition that safely removes a cured dental cement or resin from metal brackets, metal braces, and enamel surfaces of teeth. It contains eugenol, isoeugenol, methyl-eugenol or an isomer thereof. A method for removing orthodontic fixtures adhered with a dental cement or resin to the enamel surfaces of teeth from these surfaces by contacting the dental cement or resin with a composition containing eugenol.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: February 14, 2023
    Assignee: King Abdulaziz University
    Inventors: Ahmed Samir Ibrahim Bakry, Mona Aly Abbassy, Amal Linjawi, Ali Habib Hassan, Ahmed Fathy Hanafy, Gihan Salah Labib, Amal Mohammed S Abushal
  • Patent number: 11564882
    Abstract: Described is a milling blank for producing an indirect dental restoration, composed of resin or a resin-based composite, containing water in an amount of at least 25% of the water sorption Wsp. Described is further a method for producing such a milling blank or a moulded part produced therefrom for use as an indirect dental restoration, a use of the water sorption method, a kit for producing indirect dental restorations and a method for indirect dental restoration.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: January 31, 2023
    Assignee: VOCO GMBH
    Inventors: Reinhard Maletz, Nils Fontein, Daniel Oldenburger, Manfred Thomas Plaumann
  • Patent number: 11559471
    Abstract: To provide a dental composition wherein the acid buffering capacity can be attained and the acid resistance of the tooth substance can be improved while maintaining very high foul breath inhibition capacity. A dental composition including: ion sustained-release glass; and a carrier for supporting the ion sustained-release glass, wherein the ion sustained-release glass is fluoroaluminoborosilicate glass having a composition range of: 15% to 35% by mass SiO2; 15% to 30% by mass Al2O3; 5% to 20% by mass B2O3; 20% to 45% by mass SrO; 5% to 15% by mass F; and 0% to 10% by mass Na2O.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: January 24, 2023
    Assignee: SHOFU INC.
    Inventors: Daisuke Hara, Yuji Sadakane, Katsura Ishikawa, Hidefumi Fujimura, Shuji Sakamoto, Akihiro Nagafuji, Toshiyuki Nakatsuka
  • Patent number: 11547541
    Abstract: [Problem] To select a dental cement or a trial test material for easily obtaining high color tone adaptability to peripheral tooth substances, in mounting of or trial test of a prosthesis device [Solution] To provide a dental cement set consisting of a plurality of dental cements having color tones including color tones of 3 to n colors for selecting and using a dental cement from the plurality of dental cements having the color tones including the color tones of the 3 to n colors after trial test with trial test materials for the dental cement to be used from the plurality of dental cements having the color tones including the color tones of the 3 to n colors, wherein: the amount of information loss Pin with regard to first principal component determined by principal component analysis is less than 2, and. the dental cement set satisfies following Formula 1. 2?((CL*p?1?CL*p)2+(Ca*p?1?Ca*p)2+(Cb*p?1?Cb*p)2)1/2<8??Formula 1 (wherein p is an arbitrary integer of 2?p?n).
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: January 10, 2023
    Assignee: SHOFU INC.
    Inventors: Daisuke Hara, Naoya Kitada, Kenzo Yamamoto, Yasuhiro Nishino, Yoshiyuki Jogetsu
  • Patent number: 11534279
    Abstract: A method for producing dentures uses a green compact containing a mixture of ceramic powder and a binder system. A ceramic shell for dentures can be produced from the green compact and can be shaped and can be adapted to a carrier prior to a firing step below a temperature of 1050° C.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: December 27, 2022
    Assignee: bredent GmbH & Co. KG
    Inventor: Joachim Meyer
  • Patent number: 11491185
    Abstract: Described is an intra-mammary teat sealant and a corresponding method of forming a physical barrier in the teat canal of a non-human animal for prophylactic treatment of mammary disorders during the animal's dry period. The method includes the step of infusing a bismuth-free teat seal formulation into the teat canal of the animal. The method also prevents the formation of black spot defect in dairy products, especially cheddar cheese, made from the milk of animals so treated.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: November 8, 2022
    Assignee: Wisconsin Alumni Research Foundation
    Inventor: Scott A. Rankin
  • Patent number: 11472729
    Abstract: The present invention provides a silicate glass that can reduce a color change in base material zirconia even when simultaneously fired with an unsintered zirconia. The present invention also provides a dental product using same. The present invention relates to a silicate glass comprising: 65.0 to 90.0 mol % SiO2, 4.0 to 15.0 mol % Al2O3, 1.0 to 10.0 mol % K2O, 0.1 to 7.0 mol % Na2O, and 0.01 to 15.0 mol % CaO, the silicate glass being essentially free of B2O3, and satisfying the relation {(number of moles of Al2O3)/(total number of moles of RO+R2O)}?0.70, wherein R in the metal oxide represented by RO represents a metallic element in group 2 or 12 of the periodic table, and R in the metal oxide represented by R2O represents a metallic element in group 1 of the periodic table. The present invention also relates to a composite comprising the silicate glass and a base material formed of a ceramic; a sintered body as a fired product of the composite; and a dental product comprising the sintered body.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: October 18, 2022
    Assignee: KURARAY NORITAKE DENTAL INC.
    Inventors: Kazuhiro Yamada, Toshio Sakakibara, Kiyoko Ban
  • Patent number: 11453761
    Abstract: Provided is a composite material which comprises a resin matrix and inorganic particles dispersed therein, wherein the inorganic particles comprise: one or more groups (G-PID) of spherical particles uniform in particle diameter which comprise aggregates of inorganic spherical particles having a specific average primary-particle diameter, have a narrow particle-size-distribution width, and have a lower refractive index than the resin matrix; and a group (G-SFP) of ultrafine particles. The inorganic spherical particles which constitute all the groups of spherical particles uniform in particle diameter contained in the resin matrix have an arrangement structure which is a short-range order structure satisfying a specific requirement. Also provided are a curable composition giving the composite material and a method for producing the curable composition.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: September 27, 2022
    Assignee: TOKUYAMA DENTAL CORPORATION
    Inventors: Takuma Matsuo, Hiroshi Morisaki, Hironobu Akizumi
  • Patent number: 11382839
    Abstract: The present invention provides a dental hydraulic temporary sealing material composition on which a protection of tooth substance, such as tooth substance strengthening and control of secondary dental caries, can be expected by sustained-releasing various ions including a fluoride ion, while having a high initial setting ability. More specifically, the present invention provides a dental hydraulic temporary sealing material composition comprising 65.0% to 85.0% by mass of component (1): a hydraulic inorganic powder; 10.0% to 25.0% by mass of component (2): an organic solvent; 3.0% to 15.0% by mass of component (3): a resin; and 0.01% to 10.0% by mass of component (4): an ion sustained-release glass.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: July 12, 2022
    Assignee: KABUSHIKI KAISHA SHOFU
    Inventors: Shun Shimosoyama, Kumiko Marunishi
  • Patent number: 11357711
    Abstract: A cleansing composition for cleansing the skin, comprising by weight of the composition, — 20 to 65 wt. % of one or more polyols; and —5 to 25 wt. % of thickeners, comprising a combination of: a) inorganic thickener selected from silica, chalk, talc, clay and combinations thereof; b) cellulosic thickener selected from cellulose, cellulose ether, cellulose ester and combinations thereof; wherein the weight ratio of the inorganic thickener to the cellulosic thickener is in the range of 4:1 to 40:1; —4 to 12 wt. % of non-soap anionic surfactant; —0 to 8 wt. % of amphoteric surfactant; and wherein the weight ratio of the one or more polyols to the thickeners is in the range of 1:1 to 13:1 and wherein the viscosity of the composition is in the range of 200 to 400 Pa-s, measured at 25° C. after 1 minute at 5 rpm.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: June 14, 2022
    Assignee: Conopco, Inc.
    Inventors: Varsha Amit Athavle, Mridula Kini, Saumyashree Roy
  • Patent number: 11324597
    Abstract: Provided is an implantable composite which includes a plurality of resorbable ceramic particles with or without a biodegradable polymer. The resorbable ceramic particles can be granules including carbonated hydroxyapatite and tricalcium phosphate in a ratio of 5:95 to 70:30. Some resorbable ceramic particles are granules, which include carbonated hydroxyapatite and ? tricalcium phosphate in a ratio of 5:95 to 70:30. The resorbable ceramic particles have a particle size from about 0.4 to about 3.5 mm. The implantable composite is configured to fit at or near a bone defect as an autograft extender to promote bone growth. Methods of using the implantable composite are also provided.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: May 10, 2022
    Assignee: Warsaw Orthopedic, Inc.
    Inventors: Scott M. Vickers, Jeffrey L. Scifert, Ian R. Dunkley
  • 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: 11278476
    Abstract: Delivery carriers having multi-phase oral compositions used with an electromagnetic radiation source for whitening teeth.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: March 22, 2022
    Assignee: The Procter & Gamble Company
    Inventors: Jayanth Rajaiah, Paul Albert Sagel, Franco Silva Medeiros
  • Patent number: 11266581
    Abstract: An multi-phase oral composition and electromagnetic radiation source for whitening teeth.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: March 8, 2022
    Assignee: The Procter & Gamble Company
    Inventors: Jayanth Rajaiah, Paul Albert Sagel, Franco Silva Medeiros
  • Patent number: 11259998
    Abstract: A multi-phase oral composition for whitening teeth.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: March 1, 2022
    Assignee: The Procter & Gamble Company
    Inventors: Jayanth Rajaiah, Paul Albert Sagel, Franco Silva Medeiros
  • Patent number: 11253442
    Abstract: A multi-phase oral composition and electromagnetic radiation source for whitening teeth.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: February 22, 2022
    Assignee: The Procter & Gamble Company
    Inventors: Jayanth Rajaiah, Paul Albert Sagel, Franco Silva Medeiros
  • Patent number: 11253339
    Abstract: The invention is directed to a composition that safely removes a cured dental cement or resin from metal brackets, metal braces, and enamel surfaces of teeth. It contains eugenol, isoeugenol, methyl-eugenol or an isomer thereof. A method for removing orthodontic fixtures adhered with a dental cement or resin to the enamel surfaces of teeth from these surfaces by contacting the dental cement or resin with a composition containing eugenol.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: February 22, 2022
    Assignee: King Abdulaziz University
    Inventors: Ahmed Samir Ibrahim Bakry, Mona Aly Abbassy, Amal Linjawi, Ali Habib Hassan, Ahmed Fathy Hanafy, Gihan Salah Labib, Amal Mohammed S Abushal
  • Patent number: 11247941
    Abstract: Provided herein are compositions and their methods of use to adhere (e.g., in wet and dry environments) a variety of materials together.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: February 15, 2022
    Assignee: RevBio, Inc.
    Inventors: Brian J. Hess, George W. Kay
  • Patent number: 11224557
    Abstract: The present invention relates to a dental composition which is a resin modified dental cement composition, comprising a radically polymerizable compound and a redox initiator system comprising one or more clathrate compounds comprising a host molecule and one or more guest molecules, wherein the guest molecule is an oxidising agent selected from organic peroxides and organic hydroperoxides. Furthermore, the present invention relates to a use of the redox initiator system in a dental composition which is a resin modified dental cement composition.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: January 18, 2022
    Assignee: DENTSPLY SIRONA INC
    Inventors: Florian Szillat, Caroline Renn, Oliver Elsner, Joachim Klee, Christian Scheufler
  • Patent number: 11185526
    Abstract: The present disclosure relates to a dissolvable thin oral tape, film or strip or segment thereof composition or device, including a film former, at least one cannabinoid, menthol, caffeine and vitamins.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: November 30, 2021
    Inventors: Babak Ghalili, Emma Ghalili
  • Patent number: 11161787
    Abstract: A high-purity calcium carbonate sintered body containing less impurities and available for biological and like applications, a production method, a high-purity calcium carbonate porous sintered body containing less impurities and available for biological and like applications, and a production method. A method for producing a high-purity calcium carbonate sintered body includes the steps of: compaction molding calcium carbonate with a purity of 99.7% by mass or more to make a green body; and sintering the green body to produce a calcium carbonate sintered body. A method for producing a high-purity calcium carbonate porous sintered body according to the present invention includes the steps of: preparing a dispersion liquid containing calcium carbonate with a purity of 99.7% by mass or more; adding a foaming agent to the dispersion liquid, followed by stirring until foamy to make a foam; and sintering the foam to produce a calcium carbonate porous sintered body.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: November 2, 2021
    Assignees: SHIRAISHI CENTRAL LABORATORIES CO., LTD., NATIONAL UNIVERSITY CORPORATION YAMAGATA UNIVERSITY
    Inventors: Masahiko Tajika, Shota Umemoto, Hidero Unuma, Jun Ito
  • Patent number: 11147775
    Abstract: The present disclosure relates to compositions methods of use and methods of manufacturing, hydrous hydrogel compositions useful as topical oral analgesics including cannabinoids and menthol.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: October 19, 2021
    Inventors: Babak Ghalili, Emma Ghalili
  • Patent number: 11141242
    Abstract: The invention is directed to a composition that safely removes a cured dental cement or resin from metal brackets, metal braces, and enamel surfaces of teeth. It contains eugenol, isoeugenol, methyl-eugenol or an isomer thereof. A method for removing orthodontic fixtures adhered with a dental cement or resin to the enamel surfaces of teeth from these surfaces by contacting the dental cement or resin with a composition containing eugenol.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: October 12, 2021
    Assignee: King Abdulaziz University
    Inventors: Ahmed Samir Ibrahim Bakry, Mona Aly Abbassy, Amal Linjawi, Ali Habib Hassan, Ahmed Fathy Hanafy, Gihan Salah Labib, Amal Mohammed S Abushal
  • Patent number: 11135138
    Abstract: The invention relates to a hardenable dental resin composition provided as a kit of parts comprising a powder part and a liquid part, the powder part comprising acid-reactive glass filler A, non acid-reactive nanocluster filler B, the liquid part comprising polymerizable components with an acidic moiety, polymerizable components without an acidic moiety, the hardenable dental composition further comprising a dual-cure initiator system the components of which being distributed between the powder part and the liquid part, wherein the dual-cure initiator system comprises sensitizing agent(s), oxidizing component(s), (thio)barbituric acid component(s) and transition metal component(s). The composition can be used as a self-adhesive dental resin filling material, self-adhesive dental resin core build up material, self-adhesive dental resin cement material, self-adhesive fissure sealing material, a self-adhesive dental root channel material.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: October 5, 2021
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Bernd Anich, Markus Mikulla, Frauke Bokeloh, Robert F. Peez, Rainer A. Guggenberger
  • Patent number: 11117829
    Abstract: The invention relates to a lithium silicate glass ceramic, which contains at least lithium disilicate as a crystal phase, and lithium aluminum silicate as further crystal phase. The lithium silicate glass ceramic in its initial composition contains Al2O3 at 1.5 to 3.5 percent by weight, and K2O at 0.6 to 1.8 percent by weight.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: September 14, 2021
    Assignee: DENTSPLY SIRONA Inc.
    Inventors: Markus Vollmann, Irmgard Wissel, Marcel Meegdes, Carsten Wiesner
  • Patent number: 11111151
    Abstract: The invention has for its object to use an evaporation-spray drying process thereby providing layered silicate powder granules, each one containing a flat particle having an opening or recess in its surface center. Each of the layered silicate powder granule contains a flat particle including a layered silicate formed by evaporation-spray drying and a rheology modifier for modifying the crystal edge face of the layered silicate and having an opening or recess in its surface center.
    Type: Grant
    Filed: September 4, 2017
    Date of Patent: September 7, 2021
    Assignee: NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Hiroshi Sakuma, Kenji Tamura
  • Patent number: 11109949
    Abstract: Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: September 7, 2021
    Assignee: Ivoclar Vivadent AG
    Inventors: Marcel Schweiger, Volker Rheinberger, Harald Bürke, Wolfram Höland, Elke Signer-Apel, Christian Ritzberger, Dmitri Brodkin
  • Patent number: 11071693
    Abstract: The present invention relates to an aqueous dental glass ionomer composition for use in the treatment of cavitated carious lesions, which composition comprises a water-soluble, polymerizable polymer comprising acidic groups, which is reactive with the particulate glass in a cement reaction, whereby the polymerizable polymer has a polymer backbone and pendant groups having one or more polymerizable carbon-carbon double bonds. The dental glass ionomer composition is used as a permanent direct restoration.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: July 27, 2021
    Assignee: DENTSPLY SIRONA Inc.
    Inventors: Szillat Florian, Caroline Renn, Christoph Weber, Uwe Walz, Joachim Klee
  • Patent number: 11033468
    Abstract: The present invention provides a liquid dispersion capable of stably maintaining the dispersed state for a long time and suitably applicable to both O/W type cosmetic products and W/O type cosmetic products. The present invention also provides a cosmetic raw material containing the liquid dispersion and a cosmetic product containing the liquid dispersion. The present invention provides a liquid dispersion containing a polyol (A); a nonionic surfactant (B); and a hydrophobized inorganic powder (C), wherein the water content in 100% by mass of the liquid dispersion is 1% by mass or less.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: June 15, 2021
    Assignee: SAKAI CHEMICAL INDUSTRY CO., LTD.
    Inventors: Takuro Ashida, Koichiro Magara, Akifumi Sano, Ayana Shike
  • Patent number: 11013669
    Abstract: The invention relates to a radically polymerizable dental material having photochromic properties, which contains at least one compound of formula (I) and optionally radically polymerizable monomers, an initiator for radical polymerization and other components.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: May 25, 2021
    Assignee: Ivoclar Vivadent AG
    Inventors: Norbert Moszner, Thorsten Bock, Martina Hauner-Westphal, Alexandros Gianasmidis, Iris Lamparth, Bernd Strehmel, Thomas Brömme
  • Patent number: 11013836
    Abstract: Disclosed are biodegradable glass substrates that are useful as functional elements of solid-state devices. In particular, biodegradable glass substrates having a rapidly degradable glass and a slowly degradable glass provide a structural platform that completely dissolves following a desired operational lifetime of devices such as implanted electronic devices, implanted sensor devices, and optical fibers.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: May 25, 2021
    Assignee: The Curators of the University of Missouri
    Inventors: Chang-Soo Kim, Richard K. Brow, Delbert E. Day
  • Patent number: 11008262
    Abstract: Provided herein is a composition for use as a hardening regulator, e.g. hardening accelerator or hardening retarder, for building materials, as well as methods for producing thereof. The composition is characterized by a biphasic nature in which solid calcium silicate nanoparticles are dispersed in an aqueous solution comprising inorganic water soluble iron, and possibly zinc, silicate and calcium, species. Additional components such as inorganic ions and silica nanoparticles can be present. Depending on the relative ratio of each component, the composition can be used either for retarding or for accelerating the hardening process of a building material such as cement or concretes. The so-obtained building material further shows an enhanced strength upon compressive forces applied thereon.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: May 18, 2021
    Assignee: ECOLE POLYTECHNIQUE FÉDÉRALE DE LAUSANNE (EPFL)
    Inventors: Abhishek Kumar, Paul Bowen
  • Patent number: 10988399
    Abstract: Methods for making articles comprising crystalline material. Exemplary articles made by a method described herein include electronics enclosure (e.g., a watch case, cellular phone case, or a tablet case).
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: April 27, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Anatoly Z. Rosenflanz, Jason D. Anderson, Noah O. Shanti, Fabian Stolzenburg, Jean A. Tangeman
  • Patent number: 10988403
    Abstract: To provide a glass composition which can be used for a dental porcelain or a dental ceramics coloring material, and has low temperature meltability, acid resistance and preservation stability under the humid environment which are required for a dental porcelain or a dental ceramics coloring material, and a dental porcelain and dental ceramics coloring material which contain the glass composition of the present disclosure. To provide a low melting glass composition with softening point (Ts) less than 600° C. comprising as a component; SiO2: 55.0 to 75.0 wt. %, B2O3: 6.1 to 12.0 wt. %, Al2O3: 2.0 to 8.0 wt. %, ZnO: 2.0 to 8.5 wt. % and two or more kinds of alkali metal oxide: 10.5 to 20.0 wt. %.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: April 27, 2021
    Assignee: SHOFU INC.
    Inventors: Keita Kawata, Masanori Goto, Kenji Kono
  • Patent number: 10953131
    Abstract: Provided are a method for rapidly producing a calcium phosphate molded article having high strength with high shaping precision, a calcium phosphate molded article produced by the method, and a material for transplantation. Disclosed is a method for producing a calcium phosphate molded article, the method including: step (a) of forming a layer containing a calcium phosphate powder having a ratio of the numbers of atoms of Ca/P of 1.4 to 1.8 on a substrate; and step (b) of producing a calcium phosphate molded article by jetting an organic acid solution having a pH of 3.5 or lower and including an organic acid whose calcium salt has a solubility in water of 1 g/100 mL or less, through a nozzle unit into a liquid droplet state, thereby dropping the organic acid solution onto the layer containing a calcium phosphate powder formed in step (a).
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: March 23, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Hiroshi Ota, Manabu Katsumura, Kazuya Kawasaki, Yoshio Ishii, Hideo Fushimi, Takahiro Hiratsuka, Ai Okamura, Mamoru Nishitani, Masayuki Ezumi