Hardenable dental composition containing a mixture of agglomerated and aggregated nano-particles, kit of parts and use thereof

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United States of America Patent

PATENT NO 9782329
SERIAL NO

14902948

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Abstract

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The invention relates to a dental composition comprising filler (F1) comprising aggregated nano-sized particles in an amount of from about 30 to about 70 wt. %, filler (F2) comprising agglomerated nano-sized particles in an amount from about 1 to about 20 wt. %, hardenable component (A1) being an urethane(meth)acrylate with a functionality of at least 2 and having a molecular weight from about 400 to about 3,000 g/mol,-hardenable component (A2) being a radically polymerizable (meth)acrylate with a functionality of at least 2 being different from component (A1), redox curing initiator system, the dental composition not comprising non-agglomerated nano-sized filler in an amount above about 10 wt. %, wt. % with respect to the weight of the whole composition. The dental composition is in particular useful as or for production of permanent crown and bridges, inlays, onlays and veneers.

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Patent Owner(s)

Patent OwnerAddress
SOLVENTUM INTELLECTUAL PROPERTIES COMPANY2510 CONWAY AVE E 3M CENTER 275-6E-21 MAPLEWOOD MN 55144

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eckert, Adrian S Herrsching, DE 36 131
Hecht, Reinhold Kaufering, DE 41 465
Hofmann, Bernhard Peissenberg, DE 15 34
Hoheisel, Uwe H Tuerkenfeld, DE 10 64

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