Ivoclar Vivadent Ag

Centre National De La Recherche Scientifique

Technische Universitāt Wien

Ecole Nationale Supérieure De Chimie Montpellier

Université Montpellier

Ecole Nationale Superieure De Chimie De Montpellier (enscm)

Jörg Angermann

Norbert Moszner

Volker Rheinberger

Urs Karl Fischer

Iris Lamparth

Yohann Catel

Peter Burtscher

Robert Liska

Frank Zeuner

Thorsten Bock

Kai Rist

Jean-Jacques Robin

Urs-Karl Fischer

Simone Klapdohr

Karin Vogel

Dieter Voser

Thomas Völkel

Thomas Köhler

Martina Hauner

Urs Karl Fisher

Johannes Schädlich

Volker M Rheinberger

Paul Morandi

Sophie Monge-Darcos

Johannes SCHÄDLICH

Radically polymerizable dental material, which includes a combination of a hydroperoxide and a thiourea derivative according to the following Formula (I) as initiator system for the radical polymerization: in which R is absent or is an (n+1)-valent, aromatic, aliphatic, linear or branched C-Chydrocarbon radical, which can be interrupted by one or more ether, thioether, ester, amide or urethane groups; PG is a radically polymerizable (meth)acrylate, (meth)acrylamide or vinyl group; and n is 1, 2 or 3.

Dental materials based on polymerizable thiourea derivatives

Cumene hydroperoxide oligomer according to Formula (I): in whichis a homo- or copolymer chain, which is substituted n times by the group which is in brackets; Q is absent or is a divalent aromatic C-Chydrocarbon radical or an aliphatic, linear or branched C-Chydrocarbon radical, which can be interrupted by one or more S and/or O atoms and/or —O—CO—NR— and which can be substituted by one or more substituents; X, Y independently of each other in each case are absent, —O—, —COO—; —CONR— or —O—CO—NR—, wherein X is absent if Q is absent, and wherein the substitution on the aromatic compound is effected in position 2, 3 or 4 relative to the cumene hydroperoxide group; and n is a value from 1 to 50.

Dental materials based on redox systems with oligomeric cumene hydroperoxide derivatives

Radically polymerizable dental material, which contains at least one ABA or AB block copolymer, preferably at least one monofunctional, radically polymerizable monomer (a) and preferably at least one radically polymerizable urethane di(meth)acrylate telechel (b).

Transparent, fracture-tough polymerization resins for the production of dental shaped bodies

Radically polymerizable dental material, which contains a combination of a thiourea derivative and a hydroperoxide according to the following Formula (I) as initiator system for the radical polymerization: 

Dental materials based on redox systems with low-odour cumene hydroperoxide derivatives

Radically polymerizable silane according to the general formula I in which Ris a linear or branched aliphatic C-C-alkyl radical, phenyl or alkylated phenyl radical, R, Rindependently of each other in each case are absent or are a linear or branched aliphatic C-C-alkylene radical, which can be interrupted by S or O atoms, R, R, Rindependently of each other in each case are &#x2014;Cl, &#x2014;O&#x2014;CH, &#x2014;O&#x2014;CH, &#x2014;CHor &#x2014;CH, X is CHor O, Y is absent, or is O or NR', wherein R&#x2032; is H or a C-alkyl radical, and Z is absent, or is O, NR&#x2033;, &#x2014;CO&#x2014;O&#x2014;, &#x2014;CO&#x2014;NR&#x2033;&#x2014;, &#x2014;O&#x2014;CO&#x2014;O&#x2014;, &#x2014;O&#x2014;CO&#x2014;NR&#x2033;&#x2014;, or &#x2014;NR&#x2033;&#x2014;CO&#x2014;NR&#x2033;&#x2014;, wherein R&#x2033; is H or a C-alkyl radical and wherein the radicals Rand Rcannot be absent at the same time and Z is absent if Ror Ris absent, polycondensates based thereon and fillers surface-modified therewith.

Polymer materials with silane-based transfer reagents

The invention relates to dental materials which contain at least one compound of Formula I The materials are characterized by very good mechanical properties after curing.

Dental materials based on hybrid monomers

The invention relates to a dental material which comprises a polymerizable bisphosphonic acid of Formula I:  The invention also relates to the use of a polymerizable bisphosphonic acid of Formula I for the preparation of a dental material and in particular for the preparation of an adhesive, cement or composite.

Dental materials on the basis of highly acidic polymerizable bisphosphonic acids

The invention relates to a radically polymerizable monomer of formula (I) wherein The invention also relates to polymerizable compositions which comprise the monomers according to the invention, as well as their use as dental materials and for the preparation of dental materials, in particular composites, cements, adhesives or coatings.

Dental materials based on dimer acid derivatives with ring opening polymerizable groups

Polymerizable dental material which contains (a) at least one radically polymerizable compound according to the general formula I (b) initiators for radical polymerization; and (c) filler.

Filled dental material based on polymerizable dihydroxy-phenylalanine derivatives

Dental materials which contain a radically polymerizable organic binder, at least one radical polymerization initiator and at least one radical polymerization accelerator, both the initiator and the accelerator each having at least one radically polymerizable group.

Dental materials with improved compatibility

Dental materials and associated methods are described based on multicyclic allyl sulphides with general Formula (I): in which Ris H or a C-Calkyl radical; Ris H or a C-Calkyl radical; Ris absent or is a C-Calkylene radical which can be interrupted by O or S, a cycloaliphatic C-Cradical, a bicyclic C-Cradical, a C-Carylene or C-Calkylene arylene radical; Ris an n-times substituted aliphatic Cto Chydrocarbon radical which can be interrupted by O or S, a cycloaliphatic C-Cradical, an aromatic C-Cradical, an aliphatic-aromatic C-Cradical or a heterocyclic radical which can contain 4 to 20 carbon atoms and 1 to 6 heteroatoms which are selected from N, O, P and/or S atoms, or which is formed exclusively by these heteroatoms; Ris absent or is a C-Calkylene radical; X is absent or is O, S, &#x2014;O&#x2014;CO&#x2014; or &#x2014;O&#x2014;CO&#x2014;NH&#x2014;; Y is absent or is O, S, &#x2014;O&#x2014;CO&#x2014; or &#x2014;O&#x2014;CO&#x2014;NH&#x2014;; m is 0 or 1 and n is an integer from 3 to 6.

Dental materials based on multicyclic allyl sulphides

Dental material containing an amide of the general formula BXin which B stands for a hydrocarbon radical with 1 to 5 carbon atoms, which can contain one or more of the groups O, S, NH, CO&#x2014;NH, O&#x2014;CO&#x2014;NH and/or NH&#x2014;CO&#x2014;NH, and which is substituted n times with the group X, X stands for the groupwhich is bound via the nitrogen atom or via C-2 to the radical B, the bond site not connected to B carrying a radical R, Rbeing hydrogen, an alkyl group with 1 to 20 carbon atoms or a phenyl radical, two or more radicals X being able to share a radical Rand Ralso being able to be a constituent of the radical B, Rbeing hydrogen, an alkyl group with 1 to 20 carbon atoms or a phenyl radical, and n being a number from 2 to 5.

Growing community of inventors

Sargans, Switzerland

Jörg Angermann