公开(公告)号：US11478408B2

公开(公告)日：2022-10-25

申请号：US16829226

申请日：2020-03-25

Applicant: SHOFU INC.

Inventor： Jun Uchida ,  Tomohiro Kumagai ,  Ken Hiratsuka

IPC: A61K6/889 ,  A61K6/20 ,  A61K6/833 ,  C08F120/56 ,  A61K6/836 ,  A61K6/62 ,  A61K6/77 ,  A61K6/30 ,  A61K6/40 ,  A61K6/887

Abstract: An object of the present invention is to provide a two-paste type dental resin-reinforced glass ionomer cement composition which exhibit high surface curability even under wet conditions, which makes difficult for the surface to become cloudy even if moisture comes in contact with at the initial stage of curing, exhibits high mechanical properties, low water absorption expansion and excellent coloring resistance in the set product and is also excellent in storage stability. The two-paste type dental resin-reinforced glass ionomer cement composition of the present invention consists of two pastes, wherein at least one of the two pastes contains (a) acid-reactive glass powder, (b) polymer of acidic group-containing polymerizable monomer, (c) water, (d) hydroxyl group-containing (meth)acrylate-based polymerizable monomer, (e) tri or more functional (meth)acrylamide-based polymerizable monomer, and (f) polymerization initiator, wherein the paste containing the (c) water does not contain at least one of the (a) acid-reactive glass powder and the (b) polymer of acidic group-containing polymerizable monomer.

公开(公告)号：US11207247B2

公开(公告)日：2021-12-28

申请号：US16829259

申请日：2020-03-25

Applicant: SHOFU INC.

Inventor： Yusei Kadobayashi ,  Hiroshi Yaana ,  Jun Uchida ,  Yuji Sadakane

IPC: A61K6/889 ,  A61K6/20 ,  A61K6/833 ,  C08F120/56 ,  A61K6/836 ,  A61K6/62 ,  A61K6/77 ,  A61K6/30 ,  A61K6/40 ,  A61K6/887

Abstract: An object of the present disclosure is to provide a dental composition that can exhibit sufficient curability even in a state where moisture is excessive as in the oral environment. The dental composition of the present disclosure contains component (a): monomer containing (meth)acrylamide group represented by formula (1): (In formula, R represents a hydrogen atom or a methyl group and Rs may be the same or different from each other. R2 is an alkyl group having 2 to 6 carbon atoms and R2s may be the same or different from each other.)

公开(公告)号：US11324669B2

公开(公告)日：2022-05-10

申请号：US16829236

申请日：2020-03-25

Applicant: SHOFU INC.

Inventor： Jun Uchida ,  Katsuya Kimoto

IPC: A61K6/889 ,  A61K6/20 ,  A61K6/833 ,  C08F120/56 ,  A61K6/836 ,  A61K6/62 ,  A61K6/77 ,  A61K6/30 ,  A61K6/40 ,  A61K6/887

Abstract: An object of the present invention is to provide a dental resin-reinforced glass ionomer cement composition which exhibit high surface curability even under wet conditions, which makes it difficult for the surface to become cloudy even if moisture comes in contact with at the initial stage of curing, exhibits high mechanical properties, low water absorption expansion and excellent coloring resistance in the set product and is also excellent in storage stability. The dental resin-reinforced glass ionomer cement composition consisting of a powder material and a liquid material, wherein the powder material contains (a) acid-reactive glass powder, the liquid material contains (b) water, (c) polymer of acidic group-containing polymerizable monomer, (d) hydroxyl group-containing (meth)acrylate-based polymerizable monomer and (e) tri or more functional (meth)acrylamide-based polymerizable monomer, and at least one of the powder material and the liquid material contains (f) polymerization initiator.