公开(公告)号：US11547541B2

公开(公告)日：2023-01-10

申请号：US16575867

申请日：2019-09-19

申请人： SHOFU INC.

发明人： Daisuke Hara ,  Naoya Kitada ,  Kenzo Yamamoto ,  Yasuhiro Nishino ,  Yoshiyuki Jogetsu

IPC分类号： G01J3/00 ,  A61C19/10 ,  A61K6/849 ,  A61K6/15 ,  A61K6/30 ,  A61K6/78

摘要： [Problem]
To select a dental cement or a trial test material for easily obtaining high color tone adaptability to peripheral tooth substances, in mounting of or trial test of a prosthesis device
[Solution]
To provide a dental cement set consisting of a plurality of dental cements having color tones including color tones of 3 to n colors for selecting and using a dental cement from the plurality of dental cements having the color tones including the color tones of the 3 to n colors after trial test with trial test materials for the dental cement to be used from the plurality of dental cements having the color tones including the color tones of the 3 to n colors, wherein: the amount of information loss Pin with regard to first principal component determined by principal component analysis is less than 2, and. the dental cement set satisfies following Formula 1. 2≤((CL*p−1−CL*p)2+(Ca*p−1−Ca*p)2+(Cb*p−1−Cb*p)2)1/2

公开(公告)号：US12064493B2

公开(公告)日：2024-08-20

申请号：US17692584

申请日：2022-03-11

申请人： SHOFU INC.

发明人： Naoya Kitada ,  Rei Nishimura ,  Daisuke Hara ,  Kenzo Yamamoto

IPC分类号： A61K6/896 ,  A61C5/00 ,  A61K6/17 ,  A61K6/62 ,  A61K6/71 ,  A61K6/76 ,  A61K6/77

CPC分类号： A61K6/896 ,  A61C5/00 ,  A61K6/17 ,  A61K6/62 ,  A61K6/71 ,  A61K6/76 ,  A61K6/77

摘要： To provide a dental photocurable composition having good storage stability of a matrix containing a polymerizable monomer and a polymerization initiator, etc. and excellent mechanical strength of a dental photocurable composition comprising a mixture of the matrix and a filler. The dental photocurable composition of the present disclosure comprises a matrix containing (A) polymerizable monomer, (B) photosensitizer, (C) photoacid generator and (D) photopolymerization accelerator, and (E) filler, wherein, the dental photocurable composition comprises (A1) polymerizable monomer having an acidic group as the (A) polymerizable monomer, and the dental photocurable composition comprises (D1) tertiary aliphatic amine compound having Log P of 2 or more and pKa of 10 or less as the (D) photopolymerization accelerator.

公开(公告)号：US11602490B2

公开(公告)日：2023-03-14

申请号：US17032335

申请日：2020-09-25

申请人： SHOFU INC.

发明人： Naoya Kitada ,  Rei Nishimura ,  Hiroyuki Kobayashi ,  Kenzo Yamamoto

IPC分类号： A61K6/30 ,  C08K5/5419 ,  C08L33/10 ,  C08L81/08

摘要： To provide one liquid type dental adhesive composition that exhibits excellent adhesive property to glass ceramics, oxide-base ceramics and tooth substance, and has excellent storage stability, which are contrary features. One liquid type dental adhesive composition contains (a) silane coupling agent represented by general formula (1), (b) acidic group-containing polymerizable monomer, (c) volatile organic solvent, and (d) water. (In the formula, R1 represents an organic group having at least one functional group selected from the group consisting of a (meth)acryloyl group, a vinyl group and an epoxy group, R2 represents C4-C8 linear alkyl group, R3 represents C1-C8 alkyl group, and n is integer selected from 1 to 3.)

公开(公告)号：US11033464B2

公开(公告)日：2021-06-15

申请号：US16205396

申请日：2018-11-30

申请人： SHOFU INC.

发明人： Daisuke Hara ,  Naoya Kitada ,  Toshiyuki Nakatsuka

IPC分类号： A61K6/30 ,  A61K6/16 ,  A61K6/62 ,  A61K6/76 ,  A61K6/77 ,  A61K6/79 ,  A61K6/884 ,  A61K6/887

摘要： 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.

公开(公告)号：US10206857B2

公开(公告)日：2019-02-19

申请号：US15264968

申请日：2016-09-14

申请人： SHOFU INC.

发明人： Daisuke Hara ,  Naoya Kitada

IPC分类号： A61K6/083 ,  A61K6/00 ,  C09J4/00

摘要： 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.