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US Patent 7101942 Dental materials based on metal oxide clusters

Patent 7101942 was granted and assigned to Ivoclar Vivadent on September, 2006 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors

Is a

Patent

Patent attributes

Current Assignee

Ivoclar Vivadent

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

71019420

Patent Inventor Names

Volker Rheinberger0

Norbert Moszner0

Thomas Völkel0

Ulrich Schubert0

Date of Patent

September 5, 2006

Patent Application Number

100534600

Date Filed

January 18, 2002

Patent Primary Examiner

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Marc S. Zimmer

Patent abstract

Dental material containing a cluster according to the general formula [(M1)a(M2)bOc(OH)d(OR)e(L-Sp-Z)f] (I) in which M1, M2, independently of each other, stand in each case for a metal atom of the IIIrd or Vth main groups or the Ist to VIIIth sub-groups of the periodic table; R is an alkyl group with 1 to 6 carbon atoms; L is a co-ordinating group with 2 to 6 complexing centres; Sp is a spacer group or is absent; Z is a polymerizable group; c is a number from 1 to 30; d, e, independently of each other, are in each case a number from 1 to 30; f is a number from 2 to 30, any charge of the cluster (I) present being equalized by counterions.