公开(公告)号：US20170071831A1

公开(公告)日：2017-03-16

申请号：US15264968

申请日：2016-09-14

Applicant: SHOFU INC.

Inventor： Daisuke HARA ,  Naoya KITADA

IPC: A61K6/00 ,  C09J4/00

CPC classification number: A61K6/0029 ,  A61K6/00 ,  A61K6/0023 ,  A61K6/083 ,  C09J4/00 ,  C08L33/08 ,  C08L33/10 ,  C08L33/12

Abstract: A primer composition for a resin cured material according to the present disclosure comprising (A) a polymerizable monomer having a solubility parameter (an SP value) in the range of from 7.0 to 10.0, (B) a volatile organic solvent, (C) a polymerization catalyst and/or a polymerization accelerator, and (D) a polymerizable monomer having at least two polymerizable group.

Abstract translation: 根据本公开的用于树脂固化材料的底漆组合物，其包含（A）溶解度参数（SP值）在7.0至10.0范围内的可聚合单体，（B）挥发性有机溶剂，（C） 聚合催化剂和/或聚合促进剂，和（D）具有至少两个可聚合基团的可聚合单体。

公开(公告)号：US20220287919A1

公开(公告)日：2022-09-15

申请号：US17201118

申请日：2021-03-15

Applicant: SHOFU INC.

Inventor： Kenzo YAMAMOTO ,  Hiroyuki KOBAYASHI ,  Daisuke HARA ,  Shunsuke MIYATA

IPC: A61K6/62 ,  C08K5/00 ,  C08K5/14 ,  C08F220/32 ,  C08F220/28 ,  C08F2/50 ,  C08K5/17 ,  C08K5/08 ,  A61K6/61 ,  A61K6/887

Abstract: [Problem]
To provide a photocurable composition having a high curing depth.
[Solution]
To provide a photocurable composition of the present disclosure comprises (A) polymerizable monomer, (B) photosensitizer, (C) photoacid generator, and (D) photopolymerization accelerator, wherein, the photocurable composition comprises (D-1) amine compound represented by formula (1) as the (D) photopolymerization accelerator. (In the formula (1), R1 is a substituent represented by formula (2), and R2 and R3 are substituents represented by formula (2) or substituents selected from —OH group, —O— group, —S— group, —NH—C(O)—NH— group, —C(O)—O— group, —OC(O)— group, —OC(O)—NH— group, —NH—C(O)—O— group, halogen, an organic group which may have an alkoxysilyl group, an aromatic ring which may have a substituent and an alicyclic heterocycle which may have a substituent. Further, R2 and R3 may be H when at least one or more R4s of the formula (2) are an aromatic ring, and R3 may be H when R2 is a substituent represented by the formula (2).)

公开(公告)号：US20220287918A1

公开(公告)日：2022-09-15

申请号：US17201150

申请日：2021-03-15

Applicant: SHOFU INC.

Inventor： Kenzo YAMAMOTO ,  Daisuke HARA ,  Shunsuke MIYATA

IPC: A61K6/30 ,  A61K6/62 ,  A61K6/831

Abstract: [Problem]
To provide a dental adhesive composition having excellent storage stability and adhesive strength.
[Solution]
To provide a dental adhesive composition, comprising (A) polymerizable monomer, (D) photopolymerization accelerator, and (F) volatile organic solvent, wherein, the dental adhesive composition comprises (A-1) polymerizable monomer having an acidic group as the (A) polymerizable monomer, and the dental adhesive composition comprises (D-1) aliphatic tertiary amine compound represented by formula (1) as the (D) photopolymerization accelerator. (wherein R1 represents a substituent consisting of three or more carbons having an electron-withdrawing group at α-carbon and/or β-carbon of an amine starting from N, R2 represents a substituent consisting of three or more carbons which may have an electron-withdrawing group, R3 represents a substituent consisting of one or more carbons which may have an electron-withdrawing group, and α-carbon of N in the formula (1) is not an electron-withdrawing group.)

公开(公告)号：US20220023155A1

公开(公告)日：2022-01-27

申请号：US17211039

申请日：2021-03-24

Applicant: SHOFU INC.

Inventor： Kenzo YAMAMOTO ,  Daisuke HARA ,  Yasuhiro NISHINO ,  Naoya KITADA

IPC: A61K6/30 ,  C09J183/04 ,  C09J133/26

Abstract: [Problem]
To provide a dental adhesive composition realizing excellent durable adhesive strength with respect to various dental restorative materials for cutting and machining such as glass ceramics containing lithium disilicate, a dental resin for cutting and machining, and a dental resin for cutting and machining made of a glass fiber reinforced resin in particular and with respect to a tooth substance, and having excellent storage stability simultaneously.
[Solution]
The dental adhesive composition of the present invention comprises a matrix containing (A1) silane coupling material represented by structural formula of [Chemical formula 1], (B) polymerizable monomer having an acidic group and (C) polymerizable monomer having no acidic group, and wherein the (C) polymerizable monomer having no acidic group contains (C1) polymerizable monomer having no acidic group and having one or more hydroxyl groups, the (A1) silane coupling material represented by structural formula of [Chemical formula 1] and the (C1) polymerizable monomer having no acidic group and having one or more hydroxyl groups coexist in at least one matrix, and the dental adhesive composition satisfies at least one of following formulas (1) and (2). 0.005≤Total amount of silane coupling material compounding amount index in matrix ((S1×W1)/M1)≤0.070   [Formula (1)] 0.001≤Total amount of silane coupling material compounding amount index in composition ((S2×W2)/M2)≤0.015   [Formula (2)]

公开(公告)号：US20190262238A1

公开(公告)日：2019-08-29

申请号：US16205396

申请日：2018-11-30

Applicant: SHOFU INC.

Inventor： Daisuke HARA ,  Naoya KITADA ,  Toshiyuki NAKATSUKA

IPC: A61K6/00 ,  A61K6/08

Abstract: To provides a polymerizable composition having high storage stability and high color stability. To provide a two-paste type dental polymerizable composition of the present invention is a two-paste type dental polymerizable composition comprising a first paste containing (A) at least one kind of polemerizable monomer, an (B) organic peroxide as a chemical polymerization initiator, and a (C) basic filler, and a second paste containing (A) at least one kind of polemerizable monomer, a (C) basic filler and an (D) aromatic amine compound as a chemical polymerization accelerator, wherein the second paste contains 30 to 80 parts by weight of the (C) basic filler based on 100 parts by weight of the total amount of the second paste.