US 12,303,574 B2
Dental composition
Joachim E. Klee, Radolfzell (DE); Florian Szillat, Neukirchen-Vlyun (DE); Julie Kirschner, Dambach-la-Ville (FR); and Jacques Lalevee, Mulhouse (FR)
Assigned to Dentslpy Sirona Inc., York, PA (US)
Appl. No. 17/638,474
Filed by DENTSPLY SIRONA INC., York, PA (US); and DENTSPLY DETRELY GMBH, Constance (DE)
PCT Filed Aug. 28, 2020, PCT No. PCT/EP2020/025386
§ 371(c)(1), (2) Date Feb. 25, 2022,
PCT Pub. No. WO2021/037396, PCT Pub. Date Mar. 4, 2021.
Claims priority of application No. 19194736 (EP), filed on Aug. 30, 2019.
Prior Publication US 2023/0000727 A1, Jan. 5, 2023
Int. Cl. C08F 2/46 (2006.01); A61K 6/62 (2020.01); A61K 6/889 (2020.01); C08F 2/50 (2006.01); C08G 61/04 (2006.01)
CPC A61K 6/62 (2020.01) [A61K 6/889 (2020.01)] 19 Claims
 
1. Dental composition comprising
a) at least one polymerizable monomer having at least one ethylenically unsaturated group;
characterized in that
the dental composition further comprises
b) a radical initiator system comprising
i. a photosensitizer having an absorption maximum ranging from 400 nm to 800 nm; and
ii. at least one CH-acidic compound as coinitiator and
c) an additive selected from iodonium salts, phosphonium salts, and sulfonium salts, wherein the radical initiator system is substantially free of an amine.