	US 12,433,826 B2
	Primer and kit of primer and dental material
Alexander Bublewitz, Herborn (DE); Tobias Weller, Gießen (DE); and Christian Suchomski, Lohra-Kirchvers (DE)
Assigned to KETTENBACH GMBH & CO. KG, Eschenburg (DE)
Appl. No. 17/436,799
Filed by Kettenbach GmbH & Co. KG, Eschenburg (DE)
PCT Filed Mar. 11, 2020, PCT No. PCT/EP2020/056567 § 371(c)(1), (2) Date Sep. 7, 2021, PCT Pub. No. WO2020/182918, PCT Pub. Date Sep. 17, 2020.
Claims priority of application No. 102019106119.9 (DE), filed on Mar. 11, 2019.
Prior Publication US 2022/0168190 A1, Jun. 2, 2022
Int. Cl. A61K 6/30 (2020.01); A61K 6/61 (2020.01); A61K 6/62 (2020.01); A61K 6/64 (2020.01); A61K 6/79 (2020.01); A61K 6/887 (2020.01)

CPC A61K 6/62 (2020.01) [A61K 6/79 (2020.01)]

22 Claims

1. An aqueous dental primer composition, comprising

a first polymerizable (meth)acrylate or (meth)acrylamide monomer with (i) at least one acidic group;

a second polymerizable (meth)acrylate or (meth)acrylamide monomer with (ii) at least one hydrophilic group; and

a third polymerizable (meth)acrylate or (meth)acrylamide monomer with (iii) a 3-, 4-, 5-, 6-, 7-, 8-, 9-, 10-polyfunctionality, and

water in a portion of 20 to 50% by weight,

wherein the aqueous dental primer composition is characterized by the absence of a photoinitiator, a polymerization catalyst and an organic solvent.