The USPTO granted patent US12605307B2 to Kulzer GmbH on April 21, 2026, covering a polymerisable dental composite material comprising 40-90% inorganic filler, 10-60% urethane (alkyl) acrylate, 0.01-15% functional monomers, and 0.01-10% initiator/stabiliser. The patent, originating from application 17773261 (filed October 29, 2020), contains 8 claims and names inventors Andreas Utterodt, Christoph Meier, Nelli Schoenhof, Jutta Schneider, Kurt Reischl, Raif Kocoglu, and Michael Eck. The patent covers both the unpolymerised composite and the polymerised material for direct or indirect dental restorations.
