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1. 发明授权

EP2979681B1 CURABLE COMPOSITION 有权
公开(公告)号：EP2979681B1
公开(公告)日：2020-09-16
申请号：EP14775348.7
申请日：2014-03-19
申请人： Kuraray Noritake Dental Inc.
发明人： KASHIKI, Nobusuke , SUZUKI, Kenji
IPC分类号： A61K6/60 , A61K6/887 , C09J4/06

2. 发明授权

EP3195846B1 DENTAL POLYMERIZABLE COMPOSITION 有权
公开(公告)号：EP3195846B1
公开(公告)日：2020-01-01
申请号：EP15842045.5
申请日：2015-09-16
申请人： Kuraray Noritake Dental Inc.
发明人： IDA, Hirotsugu , SUZUKI, Kenji , SHIMIZU, Seiya , SHACHI, Kenji , MAEKAWA, Kazuhiko
IPC分类号： C08F297/02 , A61K6/00 , A61K6/083

3. 发明公开

EP3195846A1 DENTAL POLYMERIZABLE COMPOSITION 有权
标题翻译：牙科可聚合组合物
公开(公告)号：EP3195846A1
公开(公告)日：2017-07-26
申请号：EP15842045.5
申请日：2015-09-16
申请人： Kuraray Noritake Dental Inc.
发明人： IDA, Hirotsugu , SUZUKI, Kenji , SHIMIZU, Seiya , SHACHI, Kenji , MAEKAWA, Kazuhiko
IPC分类号： A61K6/00 , A61K6/083
摘要： The present invention provides a dental polymerizable composition that requires less discharging force, is easily formable, has low polymerization shrinkage stress during curing, and exhibits high stain resistance and surface gloss when cured. The present invention relates to a dental polymerizable composition including a (meth)acrylic block copolymer (A), a polymerizable monomer (B), and a polymerization initiator (C). The (meth)acrylic block copolymer (A) consists of a (meth)acrylic polymer block (a) having a curable functional group and a (meth)acrylic polymer block (b) having no curable functional group. The curable functional group has a partial structure represented by the following general formula (1):
摘要翻译：本发明提供一种牙科用聚合性组合物，其需要较少的排出力，容易成形，固化时的聚合收缩应力小，固化时的耐污染性和表面光泽高。本发明涉及包含（甲基）丙烯酸嵌段共聚物（A），聚合性单体（B）和聚合引发剂（C）的牙科用聚合性组合物。（甲基）丙烯酸类嵌段共聚物（A）由具有固化性官能团的（甲基）丙烯酸类聚合物嵌段（a）和不具有固化性官能团的（甲基）丙烯酸类聚合物嵌段（b）构成。可固化官能团具有由以下通式（1）表示的部分结构：

4. 发明公开

EP3984497A1 MOUTHPIECE AND MOUTHPIECE MANUFACTURING METHOD 审中-实审
公开(公告)号：EP3984497A1
公开(公告)日：2022-04-20
申请号：EP20823495.5
申请日：2020-06-11
申请人： Kuraray Noritake Dental Inc.
发明人： ITO, Misaki , SUZUKI, Kenji
IPC分类号： A61C7/08
摘要： To provide a mouthpiece without a support trace and a method for manufacturing the mouthpiece. A method for manufacturing a mouthpiece (orthodontic aligner (20)), wherein the mouthpiece is to be placed within an oral cavity to cover teeth (10) and manufactured by an additive manufacturing device (30), the method including performing additive manufacturing for manufacturing a manufactured product (40) that comprises the mouthpiece (orthodontic aligner (20)), a peripheral portion (28) connected to the mouthpiece (orthodontic aligner (20)), and a support (26) configured to support the peripheral portion (28), and removing the peripheral portion (28) from the manufactured product (40).

5. 发明授权

EP2492289B1 POLYMERIZABLE COMPOSITION AND DENTAL MATERIAL 有权
公开(公告)号：EP2492289B1
公开(公告)日：2020-03-18
申请号：EP10824654.7
申请日：2010-10-19
申请人： Kuraray Noritake Dental Inc.
发明人： SUZUKI, Kenji
IPC分类号： A61K6/00 , A61K6/083

6. 发明公开

EP4116339A1 RESIN COMPOSITION FOR STEREOLITHOGRAPHY 审中-实审
公开(公告)号：EP4116339A1
公开(公告)日：2023-01-11
申请号：EP21764161.2
申请日：2021-03-05
申请人： Kuraray Noritake Dental Inc.
发明人： SUZUKI, Kenji , ISHIHARA, Shumei , ITO, Misaki
IPC分类号： C08F2/44 , A61C13/00 , B33Y10/00 , B33Y80/00 , B29C64/165 , B29C64/264 , C08K3/36 , A61K6/887 , B33Y70/00
摘要： The present invention provides a resin composition for stereolithography that is easily shapable with good shape precision while reducing sedimentation of inorganic particles during storage, and a obtained three-dimensional shaped article thereby excels in mechanical characteristics such as flexural strength and flexural modulus, in addition to having a desirable shade and good shade stability. The present invention relates to a resin composition for stereolithography comprising a polymerizable monomer (a), a photopolymerization initiator (b), an inorganic particle (c) having an average particle diameter of 5 to 500 nm, and a hindered phenolic compound (d), wherein the content of the photopolymerization initiator (b) is 0.1 to 10 parts by mass relative to 100 parts by mass of the polymerizable monomer (a), the content of the inorganic particle (c) is 50 to 400 parts by mass relative to 100 parts by mass of the polymerizable monomer (a), and the content of the hindered phenolic compound (d) is 0.1 to 500 parts by mass relative to 100 parts by mass of the photopolymerization initiator (b).

7. 发明公开

EP4039722A1 RESIN COMPOSITION FOR STEREOLITHOGRAPHY 审中-实审
公开(公告)号：EP4039722A1
公开(公告)日：2022-08-10
申请号：EP20871428.7
申请日：2020-09-30
申请人： Kuraray Noritake Dental Inc.
发明人： SUZUKI, Kenji , ITO, Misaki
IPC分类号： C08F290/06 , A61C7/08 , B33Y80/00 , B29C64/106 , A61K6/60 , B33Y70/00
摘要： The present invention provides a resin composition for stereolithography that enables easy stereolithographical fabrication, and that can produce a cured object having desirable strain recovery, desirable toughness, and desirable water resistance. The present invention relates to a resin composition for stereolithography comprising a polymerizable compound (A) whose homopolymer has a glass transition temperature (Tg) of 37°C or higher, and a photopolymerization initiator (B), and having a tanδ at 37°C of 0.3 or less after cure.

8. 发明公开

EP3981810A1 RESIN COMPOSITION FOR OPTICAL SHAPING 审中-实审
公开(公告)号：EP3981810A1
公开(公告)日：2022-04-13
申请号：EP20819114.8
申请日：2020-06-05
申请人： Kuraray Noritake Dental Inc.
发明人： ITO, Misaki , SUZUKI, Kenji
IPC分类号： C08F290/06 , A61K6/60
摘要： The present invention provides a resin composition for stereolithography emitting a weak odor, enabling easy fabrication of an object, and made into a cured product having desirable toughness and water resistance when used for stereolithographical fabrication. The present invention relates to a resin composition for stereolithography, comprising: an α,β-unsaturated double bond group-containing compound (A) having a homopolymer glass transition temperature (Tg) of 40°C or more, having a plurality of independent aromatic rings, and having no urethane bond; an α,β-unsaturated double bond group-containing compound (B) having a homopolymer glass transition temperature (Tg) of less than 40°C, having a ring structure, and having a normal boiling point of 250°C or more; and a photopolymerization initiator (C).

9. 发明公开

EP3391871A1 DENTAL ADHESIVE MATERIAL KIT 审中-实审
公开(公告)号：EP3391871A1
公开(公告)日：2018-10-24
申请号：EP16875117.0
申请日：2016-12-12
申请人： Kuraray Noritake Dental Inc.
发明人： SUZUKI, Kenji
IPC分类号： A61K6/00
CPC分类号： A61K6/00
摘要： The present invention provides a dental adhesive material kit excellent in storage stability of the materials and exhibiting excellent bond durability to dentin by photopolymerization. The present invention is a dental adhesive material kit comprising a dental aqueous adhesive composition (A) and a dental curable composition (B), wherein: the dental aqueous adhesive composition (A) comprises a (meth)acrylic polymerizable monomer (a) containing an acid group, a vanadium compound (b), water (c), a (meth)acrylic polymerizable monomer (d) containing an amino group, and a polymerization inhibitor (i); the content of the polymerization inhibitor (i) is 25 to 1000 parts by weight per 100 parts by weight of the vanadium compound (b); and the dental curable composition (B) comprises a (meth)acrylic polymerizable monomer (e) containing no acid group, a hydroperoxide (f), a photopolymerization initiator (g), and a filler (h) and does not comprise a thiourea compound.

10. 发明授权

EP2554154B1 DENTAL ADHESIVE MATERIAL KIT 有权
标题翻译：牙科粘合材料套件
公开(公告)号：EP2554154B1
公开(公告)日：2015-10-21
申请号：EP11762214.2
申请日：2011-03-25
申请人： KURARAY NORITAKE DENTAL INC.
发明人： KAWANA, Michiya , NAKAYAMA, Hidemi , TAKEI, Mitsuru , SUZUKI, Kenji , HINAMOTO, Ai
IPC分类号： A61K6/00 , A61K6/08
CPC分类号： A61K6/0023 , A61K6/0038 , A61K6/005 , A61K6/0052 , A61K6/0076 , A61K6/0088 , C08L43/02 , C08L33/10 , C08L33/08 , C08L33/02 , C08L37/00 , C08L33/26 , C08L29/10 , C08L27/12 , C08L33/00

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