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    STEREOLITHOGRAPHY-TYPE THREE-DIMENSIONAL PRINTING MATERIAL USED FOR PREPARING DENTAL THREE-DIMENSIONAL FORMED ARTICLE
    1.
    发明公开
    STEREOLITHOGRAPHY-TYPE THREE-DIMENSIONAL PRINTING MATERIAL USED FOR PREPARING DENTAL THREE-DIMENSIONAL FORMED ARTICLE 审中-公开

    公开(公告)号：EP3735957A1

    公开(公告)日：2020-11-11

    申请号：EP20165629.5

    申请日：2020-03-25

    申请人： Shofu Inc.

    发明人： NIWA, Namiki ,  FUJIMURA, Hidefumi

    IPC分类号： A61K6/62 ,  A61K6/887 ,  B29C64/124 ,  B33Y70/00

    摘要： To provide a dental stereolithography-type three-dimensional printing material in which the total preparing time required from modeling with using a 3D printer to a final curing is short, work efficiency is excellent, temporal shrinkage deformation of adental three-dimensional modeled object is suppressed and a dimensional accuracy is excellent. The dental stereolithography-type three-dimensional printing material of the present invention comprises at least one or more (a) monofunctional acrylate monomer having an aromatic ring and (b) photopolymerization initiator, wherein an electronegativity difference between adjacent atoms which are bonded by covalent bond in all atoms constituting the (a) monofunctional acrylate monomer having an aromatic ring is less than 1.0.

    DENTAL ADHESIVE COMPOSITION INCLUDING CHAIN TRANSFER AGENT
    4.
    发明公开
    DENTAL ADHESIVE COMPOSITION INCLUDING CHAIN TRANSFER AGENT 审中-公开

    公开(公告)号：EP3566689A3

    公开(公告)日：2019-12-11

    申请号：EP19163846.9

    申请日：2019-03-19

    申请人： Shofu Inc.

    发明人： MIYATA, Shunsuke ,  FUJIMURA, Hidefumi

    IPC分类号： A61K6/00

    摘要： To provide a one paste type dental adhesive composition which has mechanical characteristics and aesthetic property required in the restoration material, is superior in durable adhesive strength to the tooth substance, and is hard to be affected by the polymerization shrinkage stress and exhibits excellent durable adhesive strength even if the composition of the present invention is collectively filled and cured.
    To provide a dental adhesive composition comprising: (a) an acidic group-non-containing polymerizable monomer, (b) an acidic group-containing polymerizable monomer, (c) a filler, (d) a photo polymerization initiator, and (e) a chain transfer agent, wherein the chain transfer agent (e) contains α-alkylstyrene compound.

    POLYMERIZABLE MONOMER FOR DENTAL MATERIAL
    5.
    发明公开
    POLYMERIZABLE MONOMER FOR DENTAL MATERIAL 审中-公开
    聚合物单体FÜRDENTALMATERIAL

    公开(公告)号：EP3135270A1

    公开(公告)日：2017-03-01

    申请号：EP15773927.7

    申请日：2015-03-31

    申请人： Mitsui Chemicals, Inc. ,  Shofu Inc. ,  SUN MEDICAL CO., LTD.

    发明人： YOSHINAGA, Kazuhiko ,  NARUSE, Hiroshi ,  TERAMAE, Mitsuji ,  FUCHIGAMI, Kiyomi ,  FUJIMURA, Hidefumi ,  TSUCHIKAWA, Masuji ,  IMAI, Hirofumi

    IPC分类号： A61K6/083 ,  A61C5/73 ,  A61K6/09 ,  C07C271/20 ,  C08F290/06 ,  C08G18/67

    摘要： [Object]
    The invention provides dental polymerizable monomers that can give cured products having high toughness and high rigidity, dental polymerizable monomer compositions containing the polymerizable monomers, and dental compositions containing the dental polymerizable monomer compositions, and cured products thereof having high mechanical properties.
    [Solution]
    The dental polymerizable monomer (A) which includes a urethane acrylate obtained from an appropriately rigid diisocyanate and an appropriately flexible hydroxyacrylate is used to prepare a dental polymerizable monomer composition containing the dental polymerizable monomer, and a dental composition containing the dental polymerizable monomer composition.

    摘要翻译： 本发明提供可以提供具有高韧性和高刚性的固化产物的牙科可聚合单体，含有可聚合单体的牙科可聚合单体组合物和含有可聚合单体组合物的牙科组合物及其具有高机械性能的固化产物。 [解决方案]包含由适当刚性的二异氰酸酯得到的聚氨酯丙烯酸酯和适当柔性的羟基丙烯酸酯的牙科可聚合单体（A）用于制备含有可聚合单体的牙科可聚合单体组合物和含有可聚合单体的牙科用组合物 组成。

    DENTAL PHOTOPOLYMERIZABLE COMPOSITION FOR 3D PRINTER
    7.
    发明公开
    DENTAL PHOTOPOLYMERIZABLE COMPOSITION FOR 3D PRINTER 审中-公开

    公开(公告)号：EP3795359A1

    公开(公告)日：2021-03-24

    申请号：EP20192569.0

    申请日：2020-08-25

    申请人： Shofu Inc.

    发明人： HOSOKAWA, Mamoru ,  FUJIMURA, Hidefumi

    IPC分类号： B33Y70/00 ,  A61K6/62 ,  A61K6/76 ,  A61K6/887 ,  B29C64/124

    摘要： 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 51:80 to 49:20 pts.wt., a ratio of the (a) (meth)acrylate-based polymerizable monomer and the (b) cohesive inorganic filler is 50:91 to 50:9 pts.wt., and the dental photopolymerizable composition for 3D printer contains 0.1 to 5 pts.wt. of the (c) photopolymerization initiator based on 100 pts.wt. of the (a) (meth)acrylate-based polymerizable monomer.

    DENTAL ADHESIVE COMPOSITION INCLUDING CHAIN TRANSFER AGENT
    8.
    发明公开
    DENTAL ADHESIVE COMPOSITION INCLUDING CHAIN TRANSFER AGENT 审中-公开

    公开(公告)号：EP3566689A2

    公开(公告)日：2019-11-13

    申请号：EP19163846.9

    申请日：2019-03-19

    申请人： Shofu Inc.

    发明人： MIYATA, Shunsuke ,  FUJIMURA, Hidefumi

    IPC分类号： A61K6/00

    摘要： To provide a one paste type dental adhesive composition which has mechanical characteristics and aesthetic property required in the restoration material, is superior in durable adhesive strength to the tooth substance, and is hard to be affected by the polymerization shrinkage stress and exhibits excellent durable adhesive strength even if the composition of the present invention is collectively filled and cured.
    To provide a dental adhesive composition comprising: (a) an acidic group-non-containing polymerizable monomer, (b) an acidic group-containing polymerizable monomer, (c) a filler, (d) a photo polymerization initiator, and (e) a chain transfer agent, wherein the chain transfer agent (e) contains α-alkylstyrene compound.

    POLYMERIZABLE MONOMER COMPOSITION FOR DENTAL MATERIAL
    9.
    发明公开
    POLYMERIZABLE MONOMER COMPOSITION FOR DENTAL MATERIAL 审中-公开
    聚对苯二甲酸丁二醇酯

    公开(公告)号：EP3135271A1

    公开(公告)日：2017-03-01

    申请号：EP15774169.5

    申请日：2015-03-31

    申请人： Mitsui Chemicals, Inc. ,  Shofu Inc. ,  SUN MEDICAL CO., LTD.

    发明人： YOSHINAGA, Kazuhiko ,  NARUSE, Hiroshi ,  TERAMAE, Mitsuji ,  FUCHIGAMI, Kiyomi ,  FUJIMURA, Hidefumi ,  TSUCHIKAWA, Masuji ,  IMAI, Hirofumi

    IPC分类号： A61K6/083 ,  A61C5/73 ,  A61K6/09

    CPC分类号： A61K6/083 ,  A61K6/0023 ,  A61K6/0073 ,  A61K6/0097 ,  A61K6/0835 ,  C07C271/20 ,  C07C2602/42 ,  C08L33/10

    摘要： The invention provides dental polymerizable monomer compositions that can give cured products having high toughness and high rigidity, and provides dental compositions containing such dental polymerizable monomer compositions and cured products thereof having high mechanical properties.
    [Solution]
    The dental polymerizable monomer composition includes a urethane acrylate compound (A) and a polymerizable compound (B) having at least one polymerizable group selected from methacryloyl groups and acryloyl groups, the urethane acrylate compound (A) being obtained by reacting a specific hydroxyacrylate (a1) with a diisocyanate (a2) having two isocyanate groups bonded to a divalent C 6-9 aromatic hydrocarbon group or a divalent C 6-9 bridged cyclic hydrocarbon group via a methylene group optionally substituted with a hydrocarbon group in place of a hydrogen atom, the proportion of the number of acryloyl groups present in the urethane acrylate compound (A) being 10% to less than 90% relative to the total number of methacryloyl groups and acryloyl groups in the dental polymerizable monomer composition. The dental composition includes the dental polymerizable monomer composition.

    摘要翻译： 本发明提供了可以提供具有高韧性和高刚性的固化产物的牙科可聚合单体组合物，并提供含有这种可口可聚合单体组合物的牙科用组合物及其具有高机械性能的固化产物。 [解决方案]牙科可聚合单体组合物包括具有至少一个选自甲基丙烯酰基和丙烯酰基的可聚合基团的聚氨酯丙烯酸酯化合物（A）和可聚合化合物（B），所述聚氨酯丙烯酸酯化合物（A） 羟基丙烯酸酯（a1）与具有二价C 6-9芳香族烃基键合的两个异氰酸酯基的二异氰酸酯（a2）或任选被烃基取代的亚甲基代替二价C 6-9桥连环状烃基代替 氢原子，聚氨酯丙烯酸酯化合物（A）中存在的丙烯酰基的数量相对于可聚合单体组合物中的甲基丙烯酰基和丙烯酰基的总数为10〜小于90％。 牙科用组合物包括牙科可聚合单体组合物。