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公开(公告)号：US20200016043A1
公开(公告)日：2020-01-16
申请号：US16357377
申请日：2019-03-19
Applicant: SHOFU INC.
Inventor： Shunsuke MIYATA , Hidefumi FUJIMURA
IPC: A61K6/00
Abstract: To provide a one paste type dental adhesive composition which has mechanical characteristics and aesthetic property required in the restoration material, is superior in durable adhesive strength to the tooth substance, and is hard to be affected by the polymerization shrinkage stress and exhibits excellent durable adhesive strength even if the composition of the present invention is collectively filled and cured.To provide a dental adhesive composition comprising: (a) an acidic group-non-containing polymerizable monomer, (b) an acidic group-containing polymerizable monomer, (c) a filler, (d) a photo polymerization initiator, and (e) a chain transfer agent, wherein the chain transfer agent (e) contains α-alkylstyrene compound.
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公开(公告)号：US20150342838A1
公开(公告)日：2015-12-03
申请号：US14593103
申请日：2015-01-09
Applicant: SHOFU INC.
Inventor： Daisuke HARA , Yuji SADAKANE , Katsura ISHIKAWA , Hidefumi FUJIMURA , Shuji SAKAMOTO , Akihiro NAGAFUJI , Toshiyuki NAKATSUKA
Abstract: To provide a dental composition wherein the acid buffering capacity can be attained and the acid resistance of the tooth substance can be improved while maintaining very high foul breath inhibition capacity. A dental composition including: ion sustained-release glass; and a carrier for supporting the ion sustained-release glass, wherein the ion sustained-release glass is fluoroaluminoborosilicate glass having a composition range of: 15% to 35% by mass SiO2; 15% to 30% by mass Al2O3; 5% to 20% by mass B2O3; 20% to 45% by mass SrO; 5% to 15% by mass F; and 0% to 10% by mass Na2O.
Abstract translation: 提供一种可以获得酸缓冲能力并且可以在保持非常高的防臭呼吸抑制能力的同时提高牙齿物质的耐酸性的牙科用组合物。 一种牙科用组合物，包括：离子缓释玻璃; 以及用于支撑所述离子缓释玻璃的载体，其中所述离子缓释玻璃是组成范围为15〜35质量％SiO 2的氟铝白玻璃; 15〜30质量％的Al2O3; 5〜20质量％B2O3; 20〜45质量％的SrO; 5〜15质量％F; 和0〜10质量％的Na 2 O。
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公开(公告)号：US20230255857A1
公开(公告)日：2023-08-17
申请号：US18130664
申请日：2023-04-04
Applicant: SHOFU INC.
Inventor： Daisuke HARA , Yuji SADAKANE , Katsura ISHIKAWA , Hidefumi FUJIMURA , Shuji SAKAMOTO , Akihiro NAGAFUJI , Toshiyuki NAKATSUKA
IPC: A61K6/70 , A61K8/25 , A61K8/26 , A61K8/19 , A61K8/21 , A61Q11/00 , A61K8/81 , A61K6/20 , A61K6/77
CPC classification number: A61K6/70 , A61K8/25 , A61K8/26 , A61K8/19 , A61K8/21 , A61Q11/00 , A61K8/8152 , A61K6/20 , A61K6/77 , A61K2800/56 , A61K2800/81 , A61K2800/882 , A61K2800/95
Abstract: To provide a dental composition wherein the acid buffering capacity can be attained and the acid resistance of the tooth substance can be improved while maintaining very high foul breath inhibition capacity. A dental composition including: ion sustained-release glass; and a carrier for supporting the ion sustained-release glass, wherein the ion sustained-release glass is fluoroaluminoborosilicate glass having a composition range of: 15% to 35% by mass SiO2; 15% to 30% by mass Al2O3; 5% to 20% by mass B2O3; 20% to 45% by mass SrO; 5% to 15% by mass F; and 0% to 10% by mass Na2O.
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Patent Agency Ranking
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
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.
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公开(公告)号：US20180344579A1
公开(公告)日：2018-12-06
申请号：US16059446
申请日：2018-08-09
Applicant: SHOFU INC.
Inventor： Daisuke HARA , Yuji SADAKANE , Katsura ISHIKAWA , Hidefumi FUJIMURA , Shuji SAKAMOTO , Akihiro NAGAFUJI , Toshiyuki NAKATSUKA
CPC classification number: A61K6/007 , A61K6/0017 , A61K6/0091 , A61K8/19 , A61K8/21 , A61K8/25 , A61K8/26 , A61K8/8152 , A61K2800/56 , A61K2800/81 , A61K2800/882 , A61K2800/95 , A61Q11/00 , C08L33/06
Abstract: To provide a dental composition wherein the acid buffering capacity can be attained and the acid resistance of the tooth substance can be improved while maintaining very high foul breath inhibition capacity. A dental composition including: ion sustained-release glass; and a carrier for supporting the ion sustained-release glass, wherein the ion sustained-release glass is fluoroaluminoborosilicate glass having a composition range of: 15% to 35% by mass SiO2; 15% to 30% by mass Al2O3; 5% to 20% by mass B2O3; 20% to 45% by mass SrO; 5% to 15% by mass F; and 0% to 10% by mass Na2O.
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6.发明公开公开(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
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.-
公开(公告)号：US20170181932A1
公开(公告)日：2017-06-29
申请号：US15300669
申请日：2015-03-31
Applicant: MITSUI CHEMICALS, INC. , SHOFU INC. , SUN MEDICAL CO., LTD.
Inventor： Kazuhiko YOSHINAGA , Hiroshi NARUSE , Mitsuji TERAMAE , Kiyomi FUCHIGAMI , Hidefumi FUJIMURA , Masuji TSUCHIKAWA , Hirofumi IMAI
CPC classification number: A61K6/083 , A61K6/0023 , A61K6/0073 , A61K6/0097 , A61K6/0835 , C07C271/20 , C07C2102/42 , C08L33/10
Abstract: Provided are dental polymerizable monomer compositions that can give cured products having high toughness and high rigidity, and dental compositions containing such dental polymerizable monomer compositions and cured products thereof having high mechanical properties. The dental polymerizable monomer composition includes a urethane acrylate compound (A) and a polymerizable compound (B) having at least one polymerizable group selected from methacryloyl groups and acryloyl groups, the urethane acrylate compound (A) being obtained by reacting a specific hydroxyacrylate (a1) with a diisocyanate (a2) having two isocyanate groups bonded to a divalent C6-9 aromatic hydrocarbon group or a divalent C6-9 bridged cyclic hydrocarbon group via a methylene group optionally substituted with a hydrocarbon group in place of a hydrogen atom, the proportion of the number of acryloyl groups present in the urethane acrylate compound (A) being 10% to less than 90% relative to the total number of (meth)acryloyl groups in the monomer composition.
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公开(公告)号：US20170174621A1
公开(公告)日：2017-06-22
申请号：US15300696
申请日：2015-03-31
Applicant: MITSUI CHEMICALS, INC. , SHOFU INC. , SUN MEDICAL CO., LTD.
Inventor： Kazuhiko YOSHINAGA , Hiroshi NARUSE , Mitsuji TERAMAE , Kiyomi FUCHIGAMI , Hidefumi FUJIMURA , Masuji TSUCHIKAWA , Hirofumi IMAI
IPC: C07C271/20 , A61K6/083
CPC classification number: A61K6/083 , A61K6/0023 , A61K6/0073 , A61K6/0097 , A61K6/0835 , C07C271/20 , C07C2102/42 , C08L33/10
Abstract: Provided are dental polymerizable monomers that can give cured products having high toughness and high rigidity, dental polymerizable monomer compositions containing the polymerizable monomers, and dental compositions containing the dental polymerizable monomer compositions, and cured products thereof having high mechanical properties. The dental polymerizable monomer (A) which includes a urethane acrylate obtained from an appropriately rigid diisocyanate and an appropriately flexible hydroxyacrylate is used to prepare a dental polymerizable monomer composition containing the dental polymerizable monomer, and a dental composition containing the dental polymerizable monomer composition.
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