中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

18 records (took 0.032 seconds)

    PREFORMED DENTAL COMPOSITE CROWN, PROCESS OF PRODUCTION AND USE THEREOF
    11.
    发明申请
    PREFORMED DENTAL COMPOSITE CROWN, PROCESS OF PRODUCTION AND USE THEREOF 审中-公开

    公开(公告)号：US20200205935A1

    公开(公告)日：2020-07-02

    申请号：US16813024

    申请日：2020-03-09

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Andreas Herrmann ,  Gallus Schechner ,  Reinhold Hecht ,  Helmar B. Mayr ,  Malte Korten ,  Bernhard Hofmann ,  Gioacchino Raia ,  Till Meurer

    IPC: A61C5/73 ,  A61C13/087 ,  A61C13/20 ,  A61C5/77 ,  A61K6/893

    Abstract: The invention relates to a preformed dental composite crown being characterized by its shape and chemical composition, the shape being characterized as follows: having an occlusal top surface and depending buccal, mesial, distal and lingual side surfaces, the side surfaces being connected to each other and forming a crown cervix, the wall thickness of the crown at the crown cervix being lower than 0.6 mm; at least two of opposing depending side surfaces having a concave shape; the chemical composition of the material the preformed dental composite crown is made of being a hardened composition comprising the following components: nano-filler(s) in an amount from 20 to 70 wt. %, resin matrix in an amount from 20 to 75 wt. %, wt. % with respect to the weight of the chemical composition, the resin matrix comprising urethane(meth)acrylate(s) and (meth)acrylate(s) not comprising a urethane moiety.The invention also relates to a kit of parts comprising such a preformed dental composite crown, processes for producing such crowns and the use of such a crown for treating a dental tooth.

    COLORING SOLUTION FOR ZIRCONIA CERAMICS
    12.
    发明申请
    COLORING SOLUTION FOR ZIRCONIA CERAMICS 审中-公开
    ZIRCONIA陶瓷的彩色解决方案

    公开(公告)号：US20150223917A1

    公开(公告)日：2015-08-13

    申请号：US14429205

    申请日：2013-09-12

    Applicant: Andreas HERRMANN ,  Michael JAHNS ,  3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Andreas Herrmann ,  Michael Jahns

    IPC: A61C13/08 ,  A61C8/00 ,  C09D133/06 ,  A61C13/083

    CPC classification number: A61C13/082 ,  A61C8/0012 ,  A61C8/005 ,  A61C13/083 ,  A61K6/0005 ,  A61K6/0225 ,  A61K6/023 ,  A61K6/024 ,  A61K6/0245 ,  A61K6/0255 ,  C04B41/009 ,  C04B41/5007 ,  C04B41/85 ,  C04B2111/00836 ,  C04B2111/82 ,  C09D133/066 ,  Y10T428/24926 ,  C04B35/48 ,  C04B38/0054 ,  C04B41/4535

    Abstract: The invention relates to kit of parts comprising a coloring solution, a porous zirconia article, optionally application equipment, the solution comprising cation(s) of coloring agent(s) in an amount above about 0.05 mol/l, solvent(s) for the ion(s), optionally complexing agent(s), optionally thickening agent(s), optionally organic marker substance(s), optionally additive(s), the porous zirconia article showing a N2 adsorption and desorption of isotherm type IV according to IUPAC classification. The invention also relates to a method for coloring a zirconia article comprising the steps of providing a porous zirconia article and a coloring solution, applying the coloring solution to at least a part of the outer surface of the porous zirconia article, optionally drying the porous zirconia article of the preceding step, sintering the porous zirconia article to obtain a colored zirconia ceramic article.

    Abstract translation: 本发明涉及包含着色溶液，多孔氧化锆制品，任选的应用设备的部件套件，该溶液包含高于约0.05mol / l量的着色剂阳离子，溶剂用于 离子，任选的络合剂，任选的增稠剂，任选的有机标记物，任选的添加剂，根据IUPAC显示出类型IV的等温线的N 2吸附和解吸的多孔氧化锆制品 分类。 本发明还涉及一种用于着色氧化锆制品的方法，包括以下步骤：提供多孔氧化锆制品和着色溶液，将着色溶液施加到多孔氧化锆制品的外表面的至少一部分上，任选地干燥多孔氧化锆 制备上述步骤，烧结多孔氧化锆制品以获得着色的氧化锆陶瓷制品。

    PREFORMED DENTAL COMPOSITE CROWN, PROCESS OF PRODUCTION AND USE THEREOF
    18.
    发明申请
    PREFORMED DENTAL COMPOSITE CROWN, PROCESS OF PRODUCTION AND USE THEREOF 审中-公开

    公开(公告)号：US20190021815A1

    公开(公告)日：2019-01-24

    申请号：US16078455

    申请日：2017-02-22

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Andreas Herrmann ,  Gallus Schechner ,  Reinhold Hecht ,  Helmar B. Mayr ,  Malte Korten ,  Bernhard Hofmann ,  Gioacchino Raia ,  Till Meurer

    IPC: A61C5/73 ,  A61C5/77 ,  A61C13/20

    Abstract: The invention relates to a preformed dental composite crown being characterized by its shape and chemical composition, the shape being characterized as follows: having an occlusal top surface and depending buccal, mesial, distal and lingual side surfaces, the side surfaces being connected to each other and forming a crown cervix, the wall thickness of the crown at the crown cervix being lower than 0.6 mm; at least two of opposing depending side surfaces having a concave shape; the chemical composition of the material the preformed dental composite crown is made of being a hardened composition comprising the following components: nano-filler(s) in an amount from 20 to 70 wt. %, resin matrix in an amount from 20 to 75 wt. %, wt. % with respect to the weight of the chemical composition, the resin matrix comprising urethane(meth)acrylate(s) and (meth)acrylate(s) not comprising a urethane moiety. The invention also relates to a kit of parts comprising such a preformed dental composite crown, processes for producing such crowns and the use of such a crown for treating a dental tooth.

Patent Agency Ranking