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    DENTAL COMPOSITION
    1.
    发明申请
    DENTAL COMPOSITION 有权

    公开(公告)号：US20220331209A1

    公开(公告)日：2022-10-20

    申请号：US17639998

    申请日：2020-09-10

    申请人： DENTSPLY SIRONA Inc.

    发明人： Joachim E. KLEE ,  Florian SZILLAT ,  Jacques LALEVÉE ,  Julie KIRSCHNER ,  Fabrice MORLET-SAVARY

    IPC分类号： A61K6/887 ,  A61K6/62 ,  A61K8/20 ,  A61K8/46 ,  A61K6/19 ,  A61K6/40

    摘要： The present invention is related to a dental composition comprising: (a) at least one polymerizable monomer having at least one ethylenically unsaturated group; (b) a radical initiator system comprising (i) a photosensitizer having an absorption maximum ranging from 400 nm to 800 nm; (ii) a coinitiator; and (iii) a compound of the following formula (1): wherein R1 and R2, which may be the same or different, independently represent a hydrogen atom, a C1-6 alkyl group, or a C1-6 alkoxy group; R3 and R4, which may be the same or different, independently represent a hydrogen atom, or a C1-6 alkyl group, or R3 and R4 may represent a bond so that the carbon atoms to which R3 and R4 are bonded are linked by a double bond; R5 and R6, which may be the same or different, independently represent a hydrogen atom, or a C1-6 alkyl group, or R5 and R6 may represent a bond so that the carbon atoms to which R5 and R6 are bonded are linked by a double bond; L represents a single bond or a group —CRH—, wherein R may be a hydrogen atom, a C1-6 alkyl group, or a C1-6 alkoxy group; n and m, independently are integers of 1 to 6.

    Powder-liquid type dental resin-reinforced glass ionomer cement composition
    2.
    发明授权
    Powder-liquid type dental resin-reinforced glass ionomer cement composition 有权

    公开(公告)号：US11324669B2

    公开(公告)日：2022-05-10

    申请号：US16829236

    申请日：2020-03-25

    申请人： SHOFU INC.

    发明人： Jun Uchida ,  Katsuya Kimoto

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

    摘要： 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.

    DENTAL POLYFUNCTIONAL MONOMERS AND DENTAL HYDROXYL GROUP-CONTAINING MONOMERS
    8.
    发明申请
    DENTAL POLYFUNCTIONAL MONOMERS AND DENTAL HYDROXYL GROUP-CONTAINING MONOMERS 有权

    公开(公告)号：US20210378919A1

    公开(公告)日：2021-12-09

    申请号：US17408804

    申请日：2021-08-23

    申请人： MITSUI CHEMICALS, INC.

    发明人： Yoko KOSUGI ,  Akiko MATSUMOTO ,  Kazuhiko YOSHINAGA

    IPC分类号： A61K6/887 ,  C07C271/16 ,  A61K6/40 ,  C07C275/10 ,  A61K6/30

    摘要： Provided are monomers useful for dental materials that include a compound in which a core and a specific terminal group are bonded to each other directly or via a linking group, wherein the core is a C1-200 polyvalent organic group having a valence of not less than 3 containing an oxygen atom or a nitrogen atom in which an atom bonded to the terminal group or the linking group is the oxygen atom or the nitrogen atom; the terminal group is a specific (meth)acryloyl group-containing group, a (meth)acryloyl group, a C1-20 hydrocarbon group or a hydrogen atom, and the terminal group needs to meet specific requirements; and the linking group is a specific divalent group, and when the compound contains a plurality of linking groups, the linking groups may be the same as or different from each other. Compositions, dental materials and kits are also provided.

    LOW WATER-SENSITIVE DENTAL COMPOSITION
    9.
    发明申请
    LOW WATER-SENSITIVE DENTAL COMPOSITION 有权

    公开(公告)号：US20210007938A1

    公开(公告)日：2021-01-14

    申请号：US16829259

    申请日：2020-03-25

    申请人： SHOFU INC.

    发明人： Yusei KADOBAYASHI ,  Hiroshi YAANA ,  Jun UCHIDA ,  Yuji SADAKANE

    IPC分类号： A61K6/887 ,  A61K6/62 ,  A61K6/30 ,  A61K6/40 ,  A61K6/77

    摘要： 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.)