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    PHOTOINITIATOR MODIFIED POLYACIDIC POLYMER
    3.
    发明申请
    PHOTOINITIATOR MODIFIED POLYACIDIC POLYMER 有权

    公开(公告)号：US20210069070A1

    公开(公告)日：2021-03-11

    申请号：US16642259

    申请日：2018-08-30

    Applicant: DENTSPLY SIRONA INC.

    Inventor： Maximilian MAIER ,  Joachim E. KLEE ,  Christian SCHEUFLER ,  Caroline RENN ,  Florian SZILLAT

    IPC: A61K6/889 ,  C08F220/64 ,  A61K6/62 ,  C08F8/32

    Abstract: The present invention relates to an initiator modified polyacidic polymer having a covalently bonded initiator compound, and to a dental resin-modified glass ionomer composition comprising this polyacidic polymer. Furthermore, the present invention relates to a use of the initiator modified polyacidic polymer for the preparation of a dental composition.
    The covalently bonded initiator compound of the initiator modified polyacidic polymer may be any compound of a redox initiator system, a photoinitiator system, for example a Norrish type I or II photoinitiator, an electron donor component, a sensitizer component or a coinitiator component.

    AQUEOUS DENTAL GLASS IONOMER COMPOSITION
    4.
    发明申请
    AQUEOUS DENTAL GLASS IONOMER COMPOSITION 审中-公开

    公开(公告)号：US20180353391A1

    公开(公告)日：2018-12-13

    申请号：US15735725

    申请日：2016-06-13

    Applicant: DENTSPLY SIRONA Inc.

    Inventor： Caroline RENN ,  Oliver ELSNER ,  Julia GANSEL ,  Christian SCHEUFLER ,  Uwe WALZ

    IPC: A61K6/083 ,  C08F220/18 ,  C08F226/02 ,  C08F220/60

    CPC classification number: A61K6/0835 ,  C08F220/18 ,  C08F220/60 ,  C08F226/02 ,  C08F2220/1825 ,  C08F2800/10 ,  C08F2810/50

    Abstract: The present invention relates to an aqueous dental glass ionomer composition comprising (A) a reactive particulate glass, (B) a water-soluble, polymerizable polymer comprising acidic groups, which is reactive with the particulate glass in a cement reaction, whereby the polymerizable polymer has a polymer backbone and hydrolysis-stable pendant groups having one or more polymerizable carbon-carbon double bonds, wherein the polymerizable polymer is obtainable by a process comprising a) a step of copolymerizing a mixture comprising (i) a first copolymerizable monomer comprising at least one optionally protected carboxylic acid group and a first polymerizable organic moiety, and (ii) a second copolymerizable monomer comprising one or more optionally protected primary and/or secondary amino groups and a second polymerizable organic moiety, for obtaining an amino group containing copolymer; b) a step of coupling to the amino group containing copolymer a compound having a polymerizable moiety and a functional group reactive with an amino group of repeating units derived from the second copolymerizable monomer in the amino group containing copolymer obtained in the first step, wherein the optionally protected amino group is deprotected, so that polymerizable pendant groups are linked to the backbone by hydrolysis-stable linking groups, and, optionally, a step of deprotecting the protected carboxylic acid group after step a) or step b), for obtaining a polymerizable polymer; (C) a hydrolysis-stable, water-soluble monomer having one polymerizable double bond and optionally a carboxylic acid group, said monomer having a molecular weight of at most 200 Da; (D) a polymerization initiator system; and (E) a polymerizable hydrolysis-stable crosslinker having at least two polymerizable carbon-carbon double bonds.

    AQUEOUS DENTAL GLASS IONOMER COMPOSITION
    7.
    发明申请
    AQUEOUS DENTAL GLASS IONOMER COMPOSITION 审中-公开

    公开(公告)号：US20170296441A1

    公开(公告)日：2017-10-19

    申请号：US15486335

    申请日：2017-04-13

    Applicant: DENTSPLY SIRONA Inc.

    Inventor： Caroline RENN ,  Oliver Elsner ,  Maximilian Maier ,  Florian Szillat ,  Joachim Klee ,  Christoph Weber ,  Uwe Walz ,  Christian Scheufler ,  Helmut Ritter ,  Andrew Lichkus ,  Xiaoming Jin

    IPC: A61K6/083

    CPC classification number: A61K6/0835 ,  C08L33/00 ,  C08L33/10 ,  C08L33/08

    Abstract: The present disclosure relates to an aqueous dental glass ionomer composition comprising a reactive particulate glass, a water-soluble, polymerizable polymer which is reactive with the particulate glass in a cement reaction, a hydrolysis-stable, water-soluble monomer having a single polymerizable double bond and optionally a carboxylic acid group or hydroxyl group; and a polymerization initiator system, wherein the polymerizable polymer is obtainable by a process comprising a step of polymerizing a mixture comprising a first polymerizable monomer comprising at least one optionally protected carboxylic acid group and a first polymerizable organic moiety, and optionally a second copolymerizable monomer comprising one or more optionally protected primary and/or secondary hydroxyl and/or amino group(s) and a second polymerizable organic moiety, for obtaining an water-soluble polymer; a step of coupling to the water-soluble polymer a compound having a olymerizable moiety and a functional group reactive with an optionally protected carboxylic acid group of repeating units derived from the first polymerizable monomer or an optionally protected hydroxyl and/or amino group of repeating units derived from the second copolymerizable monomer in the water-soluble polymer obtained in step a), wherein the optionally protected carboxylic acid group and the optionally protected hydroxyl and/or amine group are deprotected, so that polymerizable pendant groups are linked to the backbone by ester groups, urethane groups and/or amide groups, and, optionally, a step of deprotecting the protected carboxylic acid group for obtaining a polymerizable polymer.

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