公开(公告)号：US20180333337A1

公开(公告)日：2018-11-22

申请号：US15981980

申请日：2018-05-17

Applicant: SHOFU INC.

Inventor： Toshio KITAMURA ,  Masahiro KAZAMA

IPC: A61K6/033 ,  A61K6/02

CPC classification number: A61K6/033 ,  A61C13/20 ,  A61K6/0215 ,  A61K6/0662

Abstract: To provide a phosphate-based dental investment material which can used for metal and press ceramic and especially can impart the lubricity to the surface of a press ceramic, and a phosphate-based dental investment material which can be subjected to a flash heating for press ceramic, can obtain sufficient the hardening expansion, and can easily remove the investment material after press molding. A phosphate-based dental investment material of the present disclosure comprising a powder material and a liquid material, wherein the powder material contains (a) magnesium oxide: 5 to 20 wt. %; (b) ammonium dihydrogenphosphate: 8 to 25 wt. % and the liquid material contains (c) aqueous solution including a cation-treated colloidal silica.

公开(公告)号：US10130564B2

公开(公告)日：2018-11-20

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: A61K6/083 ,  C07C271/20 ,  A61K6/00

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.

公开(公告)号：US20180125616A1

公开(公告)日：2018-05-10

申请号：US15805396

申请日：2017-11-07

Applicant: SHOFU INC.

Inventor： Toshio KITAMURA ,  Rieko AIBA

IPC: A61C13/00 ,  A61C13/08

CPC classification number: A61C13/0022 ,  A61C13/0004 ,  A61C13/082

Abstract: The present disclosure relates to a dental cutting zirconia blank having high relative density for preparing a dental restoration. More specifically, the present disclosure relates to a dental cutting zirconia blank which consists of a zirconia ceramics used for the cutting with the CAD/CAM system in the dental field, a semi-sinter zirconia blank (pre-sintered body) of which has high relative density, and which can provide a prosthesis device having high aesthetics after sintering. There is provided a dental cutting zirconia blank wherein the dental cutting zirconia blank has at least one layer consisting of zirconia powder containing 4 to 15 mol % of yttria or erbium oxide as a stabilizer, a relationship among pre-sintering density, final-sintering density and relative density satisfies the following relation: 54≤Relative density (%)={(Pre-sintering density)/(Perfect-sintering density)}×100≤70

公开(公告)号：US20180055613A1

公开(公告)日：2018-03-01

申请号：US15685118

申请日：2017-08-24

Applicant: SHOFU INC.

Inventor： Yusei KADOBAYASHI ,  Masako SHIGEZAWA

IPC: A61C13/00

CPC classification number: A61C13/0022 ,  A61C13/0004

Abstract: To provide a mill blank for dental CAD/CAM containing a ceramic material for preparing a dental restoration by being installed in a CAD/CAM device, wherein, the mill blank for dental CAD/CAM comprises a ceramic portion in which a dental restoration is cut out and a resin portion which joins with a CAD/CAM device, the mill blank for dental CAD/CAM has a columnar shape, the resin portion is provided at a side surface of the ceramic portion and has a cylindrical shape or a belt shape, a ceramic portion side of the resin portion contacts with the side surface of the ceramic portion, the ceramic portion has a columnar shape, the ceramic portion has a protrusion part, an upper surface and a bottom surface of the columnar shape of the ceramic portion are parallel to each other, the mill blank for dental CAD/CAM has at least two recesses which includes a first recess and a second recess in a circumference portion, the first recess and the second recess respectively include a first surface which is parallel to the upper surface and the bottom surface and a second surface which is a circumferential surface concentric with the circumferential surface of the mill blank for dental CAD/CAM and is vertical to the first surface, and the at least two recesses are formed within the resin portion.

公开(公告)号：US20170231872A1

公开(公告)日：2017-08-17

申请号：US15435506

申请日：2017-02-17

Applicant: SHOFU INC.

Inventor： Katsuya KIMOTO ,  Shunsuke MIYATA ,  Hideto KASABA

IPC: A61K6/00 ,  A61K6/083

CPC classification number: A61K6/0088 ,  A61K6/0005 ,  A61K6/0047 ,  A61K6/0052 ,  A61K6/0055 ,  A61K6/007 ,  A61K6/0835

Abstract: To provide an organic-inorganic composite filler containing; a polymerizable monomer (a) having at least one functional group selected from the group consisting of —OH group, —NH— group, and —NH2 group, a polymerizable monomer (b) having no functional group selected from the group consisting of —OH group, —NH— group, and —NH2 group, a polymerization initiator (c), an inorganic filler (d), and a silane compound (e) which generates —OH group by hydrolysis.

公开(公告)号：US20170196667A1

公开(公告)日：2017-07-13

申请号：US15178644

申请日：2016-06-10

Applicant: SHOFU INC.

Inventor： Mitsuji TERAMAE ,  Masanori GOTO

IPC: A61C13/08 ,  A61C13/09 ,  A61C13/087 ,  A61C13/00

CPC classification number: A61C13/082 ,  A61C13/0022 ,  A61C13/087 ,  A61C13/09 ,  A61K6/0005 ,  A61K6/083

Abstract: The present invention relates to a composite material which can be used as a dental prosthesis device (crown, bridge), and specifically, relates to a composite material including a curable resin and a fiber material, and more specifically relates to a block-like composite material for dental cutting and processing characterized by having a multilayered structure including at least two layers having different transparencies. There are no technical information relating to a color tone and a transparency of the fiber material. To provide a block-like composite material for dental cutting and processing, wherein the block-like composite material has a multilayered structure including at least two layers having different transparencies, and the each layer includes a curable resin and a fiber material.

公开(公告)号：US09603779B2

公开(公告)日：2017-03-28

申请号：US14755549

申请日：2015-06-30

Applicant: SHOFU INC.

Inventor： Yusei Kadobayashi ,  Masako Shigezawa

IPC: A61K6/00 ,  A61K6/02 ,  A61K6/083

CPC classification number: A61K6/0047 ,  A61K6/0052 ,  A61K6/0091 ,  A61K6/02 ,  A61K6/083 ,  B29B7/02 ,  B29B7/90 ,  B29K2105/0002 ,  B29K2105/16 ,  B29K2509/08 ,  B65B3/003 ,  B65B39/00

Abstract: A composite material including silanated filler and mixed polymerizable monomer, having a stable pasty property which keeps well and has a consistent usability. A composite material containing a silanated filler, a polymerizable monomer, and a polymerization initiator, and may be produced by a process which includes a mixed polymerizable monomer preparing step, a silanation step, a silanated filler preserving step, a composite material preparing step, a composite material preserving step, a composite material filling step, and a small quantity preserving container preserving step.

公开(公告)号：US20170014857A1

公开(公告)日：2017-01-19

申请号：US15206458

申请日：2016-07-11

Applicant: SHOFU INC.

Inventor： Ryouji Takei ,  Akira Yoneda ,  Shuji Sakamoto ,  Yusei Kadobayashi

IPC: B05C17/005

CPC classification number: B05C17/00593 ,  A61C5/62 ,  A61C5/66 ,  A61M5/2425 ,  B05C17/00516 ,  B05C17/00596 ,  B05C17/01

Abstract: A cartridge fitting portion of a cylindrical syringe made of a resin includes an end surface opening portion, a continuous opening portion continuous with the end surface opening portion, opened in a radial direction, and extending in an extending direction, and a recess portion configured to communicate with the end surface opening portion, the continuous opening portion, and an internal passage in a cylindrical body. The recess portion includes a flange fitting recess to be fitted with a flange portion of a cartridge, and a cylindrical portion fitting recess that communicates with the flange fitting recess and is fitted with a part of the cylindrical portion. A wall portion surrounding the cylindrical portion fitting recess of the cartridge fitting portion is configured to warp into snap engagement with the part of the cylindrical portion when the part of the cylindrical portion is inserted from the continuous opening portion.

Abstract translation: 由树脂制成的圆柱形注射器的盒装配部分包括端面开口部分，与端面开口部分连续的连续开口部分，其在径向方向上开口并沿延伸方向延伸;凹部，其构造成 与端面开口部，连续开口部以及圆筒体内的内部通路连通。 所述凹部包括与筒体的凸缘部配合的凸缘嵌合凹部和与所述凸缘嵌合凹部连通且与所述圆筒部的一部分嵌合的圆筒部嵌合凹部。 围绕筒配合部的圆筒部嵌合凹部的壁部构成为当圆筒部的一部分从连续的开口部插入时，与圆筒部的一部分弯曲成卡合。

公开(公告)号：US09511005B2

公开(公告)日：2016-12-06

申请号：US14224191

申请日：2014-03-25

Applicant: SHOFU INC.

Inventor： Toshiyuki Nakatsuka ,  Kazuya Shinno ,  Satoshi Fujiwara ,  Daisuke Hara

IPC: A61K6/083 ,  A61K6/00

CPC classification number: A61K6/083 ,  A61K6/0005 ,  A61K6/0008 ,  A61K6/0023 ,  A61K6/007 ,  A61K6/0091 ,  C08L33/08 ,  C08L33/10 ,  C08L43/02

Abstract: A single-paste, self-adhesive dental curable composition that has strong self-adhesion to biological hard tissues (such as enamel and dentin of teeth) and good color tone adaptability suitable for use for aesthetic restoration is provided. A dental curable composition contains: an inorganic particle (A) with an average grain size in the range of 0.1 to 50 μm; an inorganic particle (B) with an average grain size in the range of 0.1 to 50 μm; a polymerizable monomer (C); and a polymerization catalyst (D). The refractive index na of the inorganic particle (A) and the refractive index nb of the inorganic particle (B) meet the relationship of na>nb. A cured resin material (E), which is obtained by curing a polymerizable composition containing the polymerizable monomer (C) and the polymerization catalyst (D), has a refractive index ne that meets the relationship (1): 0≦|na−ne|

公开(公告)号：US09393082B2

公开(公告)日：2016-07-19

申请号：US14224180

申请日：2014-03-25

Applicant: SHOFU INC.

Inventor： Tsukasa Sasaki ,  Ryouji Takei ,  Toshiyuki Nakatsuka ,  Katsuya Kimoto ,  Hideto Kasaba

IPC: B67D7/60 ,  G01F11/00 ,  A61C5/06 ,  B05C17/005

CPC classification number: A61C5/062 ,  A61C5/62 ,  A61C5/66

Abstract: A viscous material container that makes it unlikely that air remains in a housing when a piston is inserted from an insertion port of the housing. A first section of the housing is formed with two groove portions communicating with a first passage to discharge air in the first passage when a piston is inserted from an insertion port. The two groove portions communicate with the insertion port, and extend along a first imaginary center line.

Abstract translation: 一种粘性材料容器，当活塞从壳体的插入口插入时，使得空气不可能保持在壳体中。 当活塞从插入口插入时，壳体的第一部分形成有与第一通道连通的两个凹槽部分，以排出第一通道中的空气。 两个槽部与插入口连通，沿第一假想中心线延伸。