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1. 发明公开

EP4445891A1 DENTAL CURABLE COMPOSITION 审中-实审
公开(公告)号：EP4445891A1
公开(公告)日：2024-10-16
申请号：EP22904346.8
申请日：2022-12-09
申请人： Kuraray Noritake Dental Inc.
发明人： ATAKA, Kensuke , NOJIRI, Yamato
IPC分类号： A61K6/60 , A61K6/30 , A61K6/54 , A61K6/62 , A61K6/71 , A61K6/887
CPC分类号： A61K6/54 , A61K6/887 , A61K6/30 , A61K6/62 , A61K6/71 , A61K6/60
摘要： The present invention provides a dental curable composition that exhibits excellent mechanical strength in its cured product, and possesses high paste flowability and sufficient formability, previously deemed conflicting paste properties. The present invention relates to a dental curable composition comprising a polymerizable monomer (A), a filler (B), and a polymerization initiator (C), wherein:
the polymerizable monomer (A) comprises 0 parts or more by mass and less than 15 parts by mass of a hydrophilic polymerizable monomer (A-1a) having no acidic group, and 55 parts or more by mass of a hydrophobic polymerizable monomer (A-1b) having no acidic group in total 100 parts by mass of the polymerizable monomer (A), and the hydrophilic polymerizable monomer (A-1a) having no acidic group has a solubility of 4.5 g/L or more in water at 25°C ,
the filler (B) comprises 1 to 60 parts by mass of a spherical filler (B-1) having an average particle diameter of 0.01 to 1 µm, 40 to 99 parts by mass of an irregularly shaped filler (B-2) having an average particle diameter of 0.5 to 6.0 µm, and 0 to 10 parts by mass of an irregularly shaped fine particulate filler (B-3) having an average particle diameter of less than 0.5 µm in total 100 parts by mass of the filler (B), and the spherical filler (B-1) is hydrophobized with a hydrophobizing agent (x-1), and
the polymerization initiator (C) comprises a photopolymerization initiator (C-1).

2. 发明公开

EP4419062A1 COMPOSITION AND PROCESS FOR TREATING A DISORDER IN THE ORAL CAVITY OF A MAMMAL 审中-实审
公开(公告)号：EP4419062A1
公开(公告)日：2024-08-28
申请号：EP22790375.4
申请日：2022-10-14
申请人： Solventum Intellectual Properties Company
发明人： HOFFMANN, Henning , HAMPE, Rüdiger , OSSWALD, Peter , ZECH, Joachim , BAUMGÄRTEL, Viola , PEUKER, Marc
IPC分类号： A61K6/60 , A61K6/76 , A61K6/69 , A61K6/887
CPC分类号： A61K6/76 , A61K6/60 , A61K6/887 , A61K6/69

3. 发明授权

EP2598101B2 KIT OF PARTS, METHOD OF PRODUCING AND USE THEREOF 有权转让
公开(公告)号：EP2598101B2
公开(公告)日：2024-08-14
申请号：EP11741053.0
申请日：2011-07-26
IPC分类号： A61C19/00 , A61K6/00 , A61C5/50 , A61C5/70 , A61C5/30 , A61K6/20 , A61K6/30 , A61K6/60 , A61K6/887 , A61K6/889 , A61K6/891
CPC分类号： A61C5/50 , A61C5/70 , A61C19/005 , A61C5/30 , A61K6/60 , A61K6/20 , A61K6/889 , A61K6/891 , A61K6/30 , A61K6/887

4. 发明公开

EP4360609A1 DENTAL ADHESIVE KIT 审中-实审
公开(公告)号：EP4360609A1
公开(公告)日：2024-05-01
申请号：EP22828517.7
申请日：2022-06-23
申请人： Kuraray Noritake Dental Inc.
发明人： MATSUURA, Ryo , NOJIRI, Yamato
IPC分类号： A61K6/60 , A61K6/15 , A61K6/30 , A61K6/71 , A61K6/831 , A61K6/887
CPC分类号： A61K6/15 , A61K6/887 , A61K6/831 , A61K6/30 , A61K6/71 , A61K6/60
摘要： The present invention provides a dental adhesive kit whereby a separate-pack type dental adhesive composition exhibits excellent bond durability with respect to the surface of a one-pack type self-adhesive dental composite resin coating a prepared tooth surface. The present invention relates to a dental adhesive kit comprising: a one-pack type self-adhesive dental composite resin (X) that comprises a monomer (a-1) having a divalent phosphoric acid group with a backbone C8 to C16 alkyl or alkylene group within the molecule, a monomer (b) having no acidic group, a photopolymerization initiator (c), and a filler (d); and a separate-pack type dental adhesive composition (Y) that comprises a first agent and a second agent that are separately packed from each other, with the first agent comprising a monomer (a) having an acidic group, and a chemical polymerization initiator (e), and the second agent comprising a monomer (b) having no acidic group, wherein a cured product of the self-adhesive dental composite resin (X) after light curing has a flexural modulus ranging from 1.5 to 6 GPa, and a cured product of the separate-pack type dental adhesive composition (Y) after chemical curing has a flexural modulus ranging from 1.5 to 6 GPa.

5. 发明公开

EP4312943A1 PHOTOPOLYMERIZABLE RESIN COMPOSITIONS FOR DURABLE DENTAL PROSTHETIC AND RESTORATIVE ARTICLES 审中-实审
公开(公告)号：EP4312943A1
公开(公告)日：2024-02-07
申请号：EP22718361.3
申请日：2022-03-25
申请人： DENTSPLY SIRONA Inc.
发明人： SUN, Benjamin J.
IPC分类号： A61K6/60 , A61K6/62 , A61K6/887 , B33Y70/00

6. 发明公开

EP4162920A1 DENTAL ADHESIVE COMPOSITION AND DENTAL MATERIAL 审中-实审转让
公开(公告)号：EP4162920A1
公开(公告)日：2023-04-12
申请号：EP21838297.6
申请日：2021-07-09
申请人： Mitsui Chemicals, Inc.
发明人： KAKINUMA, Naoyuki
IPC分类号： A61K6/30 , A61K6/60 , A61K6/70
摘要： A dental adhesive composition containing: a (meth)acrylate compound (1) having an acidic group; and at least one polymerizable compound (2) selected from the group consisting of a cyclopolymerizable compound (2a) and a polymerizable compound (2b) having a cyclic structure and one polymerizable group.

7. 发明公开

EP4082512A1 DENTAL IMPRESSION MATERIAL AND COMBINED IMPRESSION MATERIAL 审中-实审
公开(公告)号：EP4082512A1
公开(公告)日：2022-11-02
申请号：EP20905403.0
申请日：2020-10-23
申请人： GC Corporation
发明人： NAKASHIMA, Yusuke , NIIZEKI, Naofumi
IPC分类号： A61K6/60 , A61K6/90
摘要： A dental impression material for use in a combination impression method includes a base material paste containing an alginate and water, a gelling agent, and a curing material paste containing a water-insoluble liquid compound, wherein a consistency of a kneaded material formed of the base material paste and the curing material paste is 36 mm or more, and a compressive strength of a cured body is 0.35 MPa or more.

8. 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.

9. 发明公开

EP4029491A1 DENTAL POLYMERIZABLE COMPOSITION 审中-实审
公开(公告)号：EP4029491A1
公开(公告)日：2022-07-20
申请号：EP20862039.3
申请日：2020-08-28
申请人： GC Corporation
发明人： MURAKAMI, Shogo , FUJIMI, Atsushi , SATO, Keita
IPC分类号： A61K6/887 , A61K6/20 , A61K6/60 , A61K6/61 , C08F220/10
摘要： A dental polymerizable composition includes a first agent containing a (meth)acrylate, a thiourea derivative, a vanadium compound, and a β-diketone, and a second agent containing a (meth)acrylate and an organic peroxide.

10. 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).

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