公开(公告)号：US20190192257A1

公开(公告)日：2019-06-27

申请号：US16145463

申请日：2018-09-28

Applicant: SHOFU INC.

Inventor： Mamoru HOSOKAWA ,  Toshio KITAMURA

IPC: A61C5/77 ,  A61K6/08 ,  A61C13/087 ,  A61C13/08 ,  A61K6/00

CPC classification number: A61C5/77 ,  A61C13/0004 ,  A61C13/0022 ,  A61C13/082 ,  A61C13/087 ,  A61K6/0073 ,  A61K6/08

Abstract: To provide a resin cured body for dental cutting processing used for cutting and machining using a dental CAD/CAM system, wherein the resin cured body consists of the cured body of a composition comprising: (a) an inorganic filler containing 55 wt. % or more of an element belonging to group II and/or group XIII of the periodic table in terms of an oxide, (b) a polymerizable monomer, and (c) a polymerization initiator.

公开(公告)号：US20210137796A1

公开(公告)日：2021-05-13

申请号：US17001853

申请日：2020-08-25

Applicant: SHOFU INC.

Inventor： Mamoru HOSOKAWA ,  Hidefumi FUJIMURA

IPC: A61K6/887 ,  A61K6/76 ,  A61K6/62 ,  A61K6/17 ,  B33Y70/10 ,  B33Y80/00

Abstract: 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 disclosure 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.

公开(公告)号：US20240325256A1

公开(公告)日：2024-10-03

申请号：US18396166

申请日：2023-12-26

Applicant: SHOFU INC.

Inventor： Mamoru HOSOKAWA ,  Fumio IMAHORI ,  Hidefumi FUJIMURA

IPC: A61K6/887 ,  A61C7/08 ,  A61C13/01 ,  A61K6/62 ,  B33Y70/00 ,  B33Y80/00

CPC classification number: A61K6/887 ,  A61C7/08 ,  A61C13/01 ,  A61K6/62 ,  B33Y70/00 ,  B33Y80/00

Abstract: [Problem]
To provide a photopolymerizable composition that has excellent formability in 3D printer and can prepare a three-dimensional modeled object with excellent toughness by using optical stereolithography (stereolithography).
[Solution]
To provide a dental photopolymerizable composition for 3D printer, comprising (a) (meth)acrylic polymerizable compound having an allophanate group, (b) (meth)acrylic polymer having one or two (meth)acryloyloxy groups, and (c) photoinitiator.