The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 2025
Filed:
Jun. 12, 2023
Solventum Intellectual Properties Company, Maplewood, MN (US);
Andreas Herrmann, Munich, DE;
Gioacchino Raia, Türkenfeld, DE;
Malte Korten, Moorenweis, DE;
Oliver Kappler, Weilheim, DE;
Bernhard Hofmann, Peißenberg, DE;
Adrian Eckert, Herrsching, DE;
Helmar Mayr, Kaufering, DE;
Reinhold Hecht, Kaufering, DE;
Gallus Schechner, Herrsching, DE;
Rainer Guggenberger, Herrsching, DE;
Solventum Intellectual Properties Company, Maplewood, MN (US);
Abstract
The invention relates to A curable composition for producing dental composite crowns, the composition comprising a resin matrix comprising polymerizable (meth)acrylate(s) not comprising a urethane moiety, polymerizable urethane(meth)acrylate(s), wherein the polymerizable (meth)acrylate(s) not comprising an urethane moiety are used in excess over the polymerizable urethane(meth)acrylate(s), a filler matrix comprising nanocluster(s), fumed silica in an amount below 8 wt. % with respect to the weight of the whole composition, an initiator system comprising photoinitiator(s), organic dye(s), the curable composition not comprising softener in an amount of more than 5 wt. % with respect to the weight of the whole composition, the curable composition having a viscosity below 150 Pa*s at 23° C. and a shear rate of 1 s. The invention also relates to a cured article obtained by radiation curing this curable composition by use of an additive-manufacturing method.