公开(公告)号：US20220183788A1

公开(公告)日：2022-06-16

申请号：US17593704

申请日：2020-01-15

Applicant: GC Corporation

Inventor： Koji TANAKA ,  Daizaburo MORI

IPC: A61C5/30 ,  A61C13/15 ,  A61K6/889

Abstract: A dental restorative set includes a glass ionomer cement and a composite resin, wherein the composite resin contains a (meth)acrylate having an acid group.

公开(公告)号：US20190076223A1

公开(公告)日：2019-03-14

申请号：US16084301

申请日：2017-03-07

Applicant: GC Corporation

Inventor： Masatoshi YOSHINAGA ,  Daizaburo MORI ,  Takuya SATO ,  Go MASHIO ,  Tatsuya FUJIMOTO ,  Hayato YOKOHARA ,  Tomohiro HOSHINO ,  Takahiro MIYAKE

IPC: A61C13/20 ,  A61C13/08 ,  A61C13/083 ,  B28B7/34 ,  B28B7/38 ,  B28B7/02

Abstract: A wax pattern surface-treating agent includes a solvent, boron nitride, and at least one surfactant selected from a group consisting of an anionic surfactant, a cationic surfactant, a non-ionic surfactant, and an amphoteric surfactant.

公开(公告)号：US20160015605A1

公开(公告)日：2016-01-21

申请号：US14773420

申请日：2014-03-12

Applicant: GC CORPORATION

Inventor： Daizaburo MORI ,  Emiko FUKUSHIMA ,  Haruhiko HORIUCHI

IPC: A61K6/10

CPC classification number: A61K6/10 ,  A61C13/20 ,  A61C13/34 ,  A61K6/0625 ,  A61K6/083 ,  C08L33/06

Abstract: The problem to be solved is to provide a dental gypsum powder capable of suppressing mixing of bubbles in a kneaded object while including a resin component. A dental gypsum powder includes 0.5 to 4 wt. % of a solid component included in acrylic polymer dispersion; and 0.001 to 0.2 wt. % of cyclic siloxane including 3 to 10 SiO(CH3)2 units. More preferably, it includes 1 to 3 wt. % of the solid component included in the acrylic polymer dispersion.

Abstract translation: 要解决的问题是提供一种能够抑制捏合物中的气泡混合同时包含树脂成分的牙石膏粉末。 牙膏粉末含有0.5〜4重量％ 包含在丙烯酸类聚合物分散体中的固体成分的％ 和0.001〜0.2重量％ ％的包含3至10个SiO（CH 3）2单元的环状硅氧烷。 更优选地，其包括1至3重量％ 包含在丙烯酸类聚合物分散体中的固体组分的％。

公开(公告)号：US20140296369A1

公开(公告)日：2014-10-02

申请号：US14228676

申请日：2014-03-28

Applicant: GC Corporation

Inventor： Daizaburo MORI ,  Emiko Fukushima ,  Haruhiko Horiuchi

IPC: A61K6/083

CPC classification number: A61K6/0835 ,  A61K6/0625

Abstract: Provided is a dental gypsum powder having flowability, setting time, and strength of a set material that are suitable for producing a dental model. The dental gypsum powder contains 100 parts by weight of gypsum hemihydrate, 2 to 4 parts by weight of gypsum dihydrate, from 0.5 to 3 parts by weight of potassium sulfate, from 0.05 to 0.8 parts by weight of a polycarboxylate water reducing agent, and not contain more than 0.3 parts by weight of other additives. It is preferred that the amount of the polycarboxylate water reducing agent is from 0.15 to 0.3 parts by weight per 100 parts by weight of gypsum hemihydrate, and the amount of the potassium sulfate is from 25% by weight to the same amount of the amount of the gypsum dihydrate.

Abstract translation: 本发明提供一种具有流动性，凝固时间和适合于制造牙科模型的固定材料的强度的牙石膏粉末。 牙膏粉末含有100重量份的石膏半水合物，2至4重量份的石膏二水合物，0.5至3重量份的硫酸钾，0.05至0.8重量份的多羧酸盐减水剂，而不是 含有超过0.3重量份的其他添加剂。 优选多羧酸盐减水剂的量相对于100重量份的石膏半水合物为0.15〜0.3重量份，硫酸钾的量相对于相同量的 石膏二水合物。

公开(公告)号：US20230099996A1

公开(公告)日：2023-03-30

申请号：US17759555

申请日：2020-10-29

Applicant: GC Corporation

Inventor： Ayaka ISHIDA ,  Koji TANAKA ,  Ayaka FUJIMOTO ,  Daizaburo MORI

IPC: A61K6/889 ,  A61K6/836 ,  A61K6/887

Abstract: One aspect of the present invention is: a dental glass ionomer cement including a first agent containing an ionomer glass powder; and a second agent containing a polycarboxylic acid polymer and water, wherein the first agent further contains a water-soluble compound represented by general formula (1): where R1 is a hydrogen atom or a methyl group, X1 is —O— or —NH—, and L1 is an alkylene group, and a water-soluble compound represented by general formula (2): where R2 is a hydrogen atom or a methyl group, X2 is —O— or —NH—, L2 is an alkyleneoxy group, R3 is an n-valent organic group, m is an integer of 1 or more and 42 or less, and n is an integer of 2 or more and 6 or less.

公开(公告)号：US20210206023A1

公开(公告)日：2021-07-08

申请号：US16074207

申请日：2017-06-29

Applicant: GC CORPORATION

Inventor： Tatsuya FUJIMOTO ,  Daizaburo MORI ,  Masatoshi YOSHINAGA ,  Takuya SATO ,  Go MASHIO ,  Hayato YOKOHARA ,  Tomohiro HOSHINO ,  Takahiro MIYAKE

IPC: B28B17/00 ,  A61C13/20 ,  B28B11/24 ,  B28B7/18 ,  G01K3/04 ,  B28B3/02

Abstract: To provide a scale which makes it possible to adjust the temperature of a furnace so that a ceramic blank can be properly heated even if various conditions such as the combination of the used ceramic blank and investment, and the type and size of the furnace vary, the scale comprises: a scale part; and a base part, the scale part and the base part being formed of wax or resin, wherein the base part has a shape of protruding from part of the scale part, a size of the scale part is larger than that of the base part in a direction orthogonal to a protruding direction of the base part.

公开(公告)号：US20170304034A1

公开(公告)日：2017-10-26

申请号：US15521341

申请日：2015-11-06

Applicant: GC Corporation

Inventor： Daizaburo MORI ,  Emiko FUKUSHIMA ,  Tatsuya FUJIMOTO

IPC: A61C13/20 ,  A61C13/00 ,  B28B1/14 ,  B28B1/54

CPC classification number: A61C13/20 ,  A61C13/0028 ,  A61C13/081 ,  A61C13/083 ,  B22C9/043 ,  B28B1/14 ,  B28B1/54 ,  B28B3/025 ,  B28B7/342 ,  B28B7/346 ,  B28B7/384

Abstract: Providing a surface treatment agent for a wax pattern containing solvent; boron nitride; and a surface-active agent.

公开(公告)号：US20140083326A1

公开(公告)日：2014-03-27

申请号：US14037698

申请日：2013-09-26

Applicant: GC CORPORATION

Inventor： Daizaburo MORI ,  Emiko Fukushima ,  Haruhiko Horiuchi

IPC: A61K6/00

CPC classification number: A61K6/0088 ,  A61K6/0625 ,  A61K6/10 ,  C04B11/00 ,  C04B2103/402 ,  C04B2103/50

Abstract: The invention provides a dental gypsum-bonded investment material powder which can inhibit air bubbles from being generated in a mixed material, only by being mixed with water without using any special device or tool, and is easily mixed with the water. A specific siloxane is blended at a specific amount in relation to the dental gypsum-bonded investment material powder which includes an anionic surfactant and is excellent in a mold releasing action. In other words, the dental gypsum-bonded investment material powder is structured such as to have 0.001 to 0.2 weight % anionic surfactant, and 0.00001 to 0.0005 weight % cyclic siloxane having 3 to 10 SiO(CH3)2 units.

Abstract translation: 本发明提供了一种可以抑制气泡在混合材料中产生的牙石膏结合的投料材料粉末，只要通过与水混合而不使用任何特殊的装置或工具，并且容易与水混合。 相对于包含阴离子表面活性剂的牙石膏结合的投料材料粉末，特定的硅氧烷以特定量配合，脱模作用优异。 换句话说，牙膏结合的投料材料粉末的结构为具有0.001至0.2重量％的阴离子表面活性剂和0.00001至0.0005重量％的具有3至10个SiO（CH 3）2单元的环状硅氧烷。

公开(公告)号：US20240164994A1

公开(公告)日：2024-05-23

申请号：US18551465

申请日：2022-01-21

Applicant: GC Corporation

Inventor： Yasuyuki NAGANO ,  Enzo SHIDA ,  Koji TANAKA ,  Daizaburo MORI

IPC: A61K6/887 ,  A61K6/77 ,  C03C4/00 ,  C03C12/00 ,  C03C25/40

CPC classification number: A61K6/887 ,  A61K6/77 ,  C03C4/0021 ,  C03C12/00 ,  C03C25/40 ,  C03C2201/3417 ,  C03C2217/24

Abstract: Ion sustained-release composite particles include ion sustained-release glass and a polymer compound, wherein the polymer compound includes a homo polymer or a copolymer of a (meth)acrylate compound having a hydroxyl group.

公开(公告)号：US20210045975A1

公开(公告)日：2021-02-18

申请号：US16967880

申请日：2018-10-24

Applicant: GC Corporation

Inventor： Daizaburo MORI ,  Kenji KOJIMA ,  Masatoshi YOSHINAGA

IPC: A61K6/90

Abstract: An embodiment according to the present invention provides a dental gypsum powder including a hemihydrate gypsum and a water-reducing agent, wherein the mass ratio of the water-reducing agent to the hemihydrate gypsum is 0.1 to 1%, the content of particles having a particle diameter of 10 μm or less is 15 to 35 volume %, the content of particles having a particle diameter of 20 μm or less is 40 to 55 volume %, and the content of particles having a particle diameter of 30 μm or less is 55 to 75 volume %.