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公开(公告)号:US20220331209A1
公开(公告)日:2022-10-20
申请号:US17639998
申请日:2020-09-10
Applicant: DENTSPLY SIRONA Inc.
Inventor: Joachim E. KLEE , Florian SZILLAT , Jacques LALEVÉE , Julie KIRSCHNER , Fabrice MORLET-SAVARY
Abstract: 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.
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公开(公告)号:US20180303722A1
公开(公告)日:2018-10-25
申请号:US15766382
申请日:2016-10-07
Applicant: DENTSPLY SIRONA Inc.
Inventor: Joachim E. KLEE , Florian SZILLAT , Maximilian MAIER , Helmut RITTER , Jacques LALEVEE , Jean Pierre FOUASSIER , Fabrice MORLET-SAVARY , Celine DIETLIN , Mariem BOUZRATI-ZERELLI , Christoph P FIK
Abstract: The present invention relates to a dental composition comprising a specific polymerization initiator system comprising a compound having an acylsilyl- or acylgermanyl-group. The present invention also relates the use of the compound having an acylsilyl- or acylgermanyl group for the preparation of a dental composition.
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公开(公告)号:US20190117522A1
公开(公告)日:2019-04-25
申请号:US16092658
申请日:2017-04-07
Applicant: DENTSPLY SIRONA inc.
Inventor: Joachim E. Klee , Maximilian MAIER , Christoph P. FIK , Jscques LALEVEE , Jean Pierre FOUASSIER , Fabrice MORLET-SAVARY , Celine DIETLIN , Mariem BOUZRATI-ZERELLI
Abstract: Dental composition comprising (a) a homogeneous phase comprising monomer combinations (i) and (ii), (i) and (iii), (ii) and (iii), or (i), (ii) and (iii), or comprising monomer (iii), wherein (i) represents one or more compounds having one or more radically polymerizable carbon-carbon double bonds; (ii) represents one or more compounds having one or more cationically polymerizable groups; and (iii) represents one or more compounds having a combination of one or more radically polymerizable carbon-carbon double bonds and one or more cationically polymerizable groups; (b) an initiator system comprising (iv) one or more radical polymerization initiator of the following formula (I): wherein M is Ge or Si; R1, R2 and R3 may be the same or different, independently represent an organic group, and R4 represents a hydrogen atom, an organic or organometallic group; provided that when R4 is a hydrogen atom, the initiator system further comprises a sensitizer compound having a light absorption maximum in the range from 300 to 600 nm; (v) a cationic polymerization initiator, which is a compound selected from the following formula (II), (III) and (IV): wherein R5 and R6, which may be the same or different, independently represent an aryl group which may have a substituent; and Y− represents an anion; wherein R7, R8 and R9 which may be the same or different, independently represent an aryl group which may have a substituent; and Y− represents an anion; R10, R11, R12, and R13 which may be the same or different, independently represent an alkyl or aryl group which may have a substituent; and Y− represents an anion.
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公开(公告)号:US20180289592A1
公开(公告)日:2018-10-11
申请号:US15766397
申请日:2016-10-10
Applicant: DENTSPLY SIRONA Inc.
Inventor: Joachim E. KLEE , Florian SZILLAT , Maximilian MAIER , Helmut RITTER , Jacques LALEVEE , Jean Pierre FOUASSIER , Fabrice MORLET-SAVARY , Celine DIETLIN , Mariem BOUZRATI-ZERELLI , Christoph P. FIK
CPC classification number: A61K6/083 , A61K6/0017 , A61K6/0023 , A61K6/0052 , C08L33/08 , C08L33/10 , C08L33/26
Abstract: The present invention relates to a dental composition comprising an initiator system comprising a sensitizer compound having an acylsilyl- or acylgermyl-group and a specific coinitiator compound. The present invention also relates to an initiator system consisting essentially of the sensitizer compound having an acylsilyl- or acylgermyl-group and a coinitiator compound wherein a C—H bond dissociation energy is less than 95 Kcal/mol. Furthermore, the present invention relates to the use of this initiator system for the preparation of a dental composition.
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公开(公告)号:US20180092811A1
公开(公告)日:2018-04-05
申请号:US15562497
申请日:2016-03-30
Applicant: DENTSPLY SIRONA inc.
Inventor: Joachim KLEE , Maximilian MAIER , Jacques LALEVEE , Christoph P. FIK , Jean Pierre FOUASSIER , Fabrice MORLET-SAVARY , Celine DIETLIN
CPC classification number: A61K6/083 , A61K6/0023 , A61K6/0052 , A61K6/0073 , A61K6/033 , C07F9/5022 , C08F2/50 , C08L33/08 , C08L33/10
Abstract: Disclosed herein is a dental composition having a polymerization initiator system with an aromatic tertiary phosphine compound. Further disclosed is the use of the aromatic tertiary phospine compound for the preparation of a photocurable dental compositions.
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