Ivoclar Vivadent Ag

Ivoclar Ag

Frank Zeuner

Norbert Moszner

Volker Rheinberger

Urs Karl Fischer

Iris Lamparth

Armin De Meijere

Ulrich Salz

Jorg Angermann

Angela Mucke

Robert Liska

Thorsten Bock

Jörg Angermann

Sabine Stein

Franz Stelzer

Jörg Zimmermann

Thomas Voelkel

Urs-Karl Fischer

Karin Vogel

Thomas Völkel

Andr&eacute; Rumphorst

Viktor Bahutski

Regina Schitter

Alexander Karl Huwig

Radically polymerizable macrocyclic polyethers or macrocyclic heteroanalogous polyethers, preferably crown ethers, heteroanalogous crown ethers and cryptands for use in dental materials is disclosed.

Use of polymerizable macrocyclic polyethers and macrocyclic heteroanalogous polyethers in dental materials

The present invention relates to a dental material comprising, relative to the total mass of the material:

Materials based on radically polymerizable N,O-functionalized acrylic acid hydroxamides

Composition with at least one polymerizable binder and one polymerization initiator, which contains at least one acylgermanium compound according to general Formula (I), and the use of acylgermanes of Formula (I) as initiators for radical polymerization or for the preparation of dental restorations.

Polymerizable compositions with initiators containing several Ge atoms

The invention relates to an adhesion-promoter composition for the adhesive joining of metallic or ceramic dental materials to radically curing dental materials, wherein the adhesion-promoter composition contains an alkoxysilane monomer (i), a phosphoric acid ester monomer (ii), a sulphur-containing monomer (iii) and an organic solvent (iv).

Universal dental adhesion-promoter composition

A material contains at least a polymerizable N,O-functionalized acrylic acid hydroxyamide of the Formula (I) in which

Dental composition containing (i) at least one acid (meth)acrylamide monomer which has two or more polymerizable groups, (ii) at least one acid monomer which has only one polymerizable group and (iii) at least one polymerization initiator.

Hydrolysis-stable self-etching single-component dental adhesive

Cyclopropyl acrylate of general formula (1), constitutional and stereoisomers thereof and their mixtures in which A is selected from: 

Polymerizable cyclopropyl acrylates

Polymerizable dental material, characterized in that it contains at least one (meth)acrylamide phosphate of the following general formula (I): in which Ris H or CH; Ris H or a C-Calkyl radical or forms together with the nitrogen atom to which it is bonded and one or more atoms which belong to Ror Ra heterocyclic ring; R, Rindependently of each other are a linear or branched aliphatic C-Cradical with a valency of m+n or p+n, an aromatic C-Cradical with a valency of m+n or p+n, or a cycloaliphatic, araliphatic or heterocyclic C-Cradical with a valency of m+n or p+n, wherein the carbon chains of the radical or radicals can be interrupted by O, S, CONR, OCONH, or form together with one or more atoms which belong to Rand the nitrogen atom, to which the Ris bonded a heterocyclic ring, R' being H if p=0, and Rbeing H, C-Calkyl, C-Caryl, C-aralkyl or a bicylic C-Cradial; n is 1, 2, 3 or 4 if p=0, and is 1 or 2 if p &#x2260;0; m is 1, 2, 3 or 4; p is 0, 1, 2, 3 or 4; x is 0 or S.

Self-etching dental materials based on (METH) acrylamide phosphates

Bicyclic cyclopropane derivatives of the general Formula (I) in which n+m is 0 to 8; r is 1 to 4; 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-Calkylenearylene radical; Ris for r=1 a C-Calkyl radical which can be interrupted by O or S, a cycloaliphatic C-Cradical, a bicyclic C-Cradical, a C-Caryl or a C-Calkylaryl radical; is for r&#x3e;1 an r-times substituted aliphatic Cto Cradical which can be interrupted by O or S, a cycloaliphatic C-Cradical, an aromatic C-Cradical or aliphatic-aromatic C-Cradical; X is absent or is &#x2014;CO&#x2014;O&#x2014;, &#x2014;CO&#x2014;NH&#x2014; or &#x2014;O&#x2014;CO&#x2014;NH&#x2014;, and Y is CH, O or S which is suitable in particular for the preparation of dental materials.

Polymerizable bicyclic cyclopropane derivatives and their use for the preparation of dental materials

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.

Dental materials based on polyfunctional amides

Acrylic ester phosphonic acids of general formula (I), stereoisomers thereof and mixtures of these,wherein n is 1 or 2, on the condition that for n=1 Rhas the meaningand for n=2 Rhas the meaningRis a Cto Calkylene radical, C-Ccycloalkylene radical or Cto Calkylene phenylene radical; Ris hydrogen, a Cto Calkyl radical or a Cto CO-alkyl radical; and R, R, independently of each other, each stand for a Cto Calkyl radical or a Cto CO-alkyl radical.

Dental materials based on acrylic-ester phosphonic acids

Hydrolysis-stable and polymerizable acrylophosphonic acid

A functionalized and polymerizable polymer is described which is obtainable by ring-opening metathesis polymerization and is suitable in particular as a dental material and especially as a constituent of dental adhesives owing to an adhesion-boosting effect.

Growing community of inventors

Schellenberg, Liechtenstein

Frank Zeuner