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    • 8. 发明申请
    • ARTIFICIAL TOOTH
    • 人造齿
    • WO2011083121A3
    • 2011-10-13
    • PCT/EP2011050096
    • 2011-01-05
    • DENS3000 GMBHLOHSE GERHARD REINHARDKURA GUENTHER FRANZBRAUN FRANK
    • LOHSE GERHARD REINHARDKURA GUENTHER FRANZBRAUN FRANK
    • A61C13/09A61C13/083
    • A61C13/09A61C13/083
    • The present invention relates to an artificial tooth made of synthetic or ceramic material, comprising a plurality of layers, for use as a dental replacement for a natural tooth, in particular for creating a dental prosthesis. The tooth consists of a tooth body having a solid inner core (1) and at least one outer layer (2) enveloping said core starting from the base thereof. The solid core (1) and the outer layer (2) are produced from a thermoplastic material or a ceramic material by means of injection molding. In particular, a blind hole (7) is designed on the basal side of the solid core (1) in the direction of the tooth axis. One or more retentions (8) are present in the wall of the blind hole (7) and/or the thermoplastic material contains a filler made of a mixture of siliceous glass, quartz and hydroxylapatite.
    • 本发明涉及一种用作天然牙齿的假牙的多层塑料或陶瓷材料的假牙,特别是用于假牙的构造。 该齿由内部固体芯(1)的齿体和至少一个从其基部包围它的外层(2)组成。 固体芯(1)和外层(2)通过注塑热塑性材料或陶瓷来制造。 特别地,在实心铁芯(1)的基轴侧沿齿轴方向形成盲孔(7)。 在盲孔(7)的壁中存在一个或多个保持件(8)和/或热塑性材料包含硅酸盐玻璃,石英和羟基磷灰石的混合物的填料。
    • 9. 发明申请
    • METHOD FOR PRODUCING A POLYMERIC CONVERSION PRODUCT
    • 用于生产聚合物产品实现
    • WO0144327A3
    • 2001-12-27
    • PCT/EP0012848
    • 2000-12-15
    • BASF AGRAETHER ROMAN BENEDIKTMODERY BERNDBRAUN FRANKBRINKMANN RENGEL SUSANNECHRISTIE DAVIDHAREMZA SYLKE
    • RAETHER ROMAN BENEDIKTMODERY BERNDBRAUN FRANKBRINKMANN-RENGEL SUSANNECHRISTIE DAVIDHAREMZA SYLKE
    • C08F12/32
    • C08F12/32
    • The invention relates to a method for producing a conversion product (A), which comprises the following steps: (i) reacting, under radical conditions, a reaction mixture containing at least one radically convertible monomer (a) in the presence of at least one radical initiator and one compound of formula (I), wherein R1 to R4, independent of one another, represent hydrogen, a non-substituted or substituted alkyl radical, cycloalkyl radical, aralkyl radical, a non-substituted or substituted aromatic hydrocarbon radical with the provision that at least two of the radicals R1 to R4 represent a non-substituted or substituted aromatic hydrocarbon radical, or the radicals R and R or R and R , in pairs, represent a substituted or non-substituted aromatic hydrocarbon radical with 6 to 18 C atoms and a functional group which, in conjunction with the C-C double bond in general formula (I), comprises a multiple bond between a C atom and a heteroatom, whereby during the reaction, the reaction mixture consists of 10 or less wt. % water.
    • 一种用于制备反应产物(A),其包括以下步骤(i)反应,自由基的条件下处理的反应混合物,其包含至少一种可自由基反应的单体(a)在至少一种自由基引发剂的配方的存在和化合物(I)(I )表示:其中R1至R4各自独立地是氢,在每种情况下未被取代或被取代的烷基,环烷基,芳烷基,未取代的或取代的芳族烃基,前提条件是至少两个基团R 1至R 4的芳族的是未取代或取代的 烃基,或基团R <1>和R <2>或R <3>和R <4>碳原子数为6〜18的取代或未取代的芳香族烃和能够缀合的官能团对 在通式(I)的多CC双键 具有achbindung碳原子和一个杂原子是,其中间存在于反应混合物中10重量%或更少的水在反应过程中。