US 12,064,493 B2
Dental photocurable composition having excellent storage stability
Naoya Kitada, Kyoto (JP); Rei Nishimura, Kyoto (JP); Daisuke Hara, Kyoto (JP); and Kenzo Yamamoto, Kyoto (JP)
Assigned to SHOFU INC., Kyoto (JP)
Filed by SHOFU INC., Kyoto (JP)
Filed on Mar. 11, 2022, as Appl. No. 17/692,584.
Claims priority of application No. 2021-040033 (JP), filed on Mar. 12, 2021; application No. 2021-040037 (JP), filed on Mar. 12, 2021; application No. 2021-040039 (JP), filed on Mar. 12, 2021; application No. 2021-040040 (JP), filed on Mar. 12, 2021; application No. 2021-149804 (JP), filed on Sep. 14, 2021; and application No. 2021-149805 (JP), filed on Sep. 14, 2021.
Prior Publication US 2022/0387263 A1, Dec. 8, 2022
Int. Cl. A61K 6/896 (2020.01); A61C 5/00 (2017.01); A61K 6/17 (2020.01); A61K 6/62 (2020.01); A61K 6/71 (2020.01); A61K 6/76 (2020.01); A61K 6/77 (2020.01)
CPC A61K 6/896 (2020.01) [A61C 5/00 (2013.01); A61K 6/17 (2020.01); A61K 6/62 (2020.01); A61K 6/71 (2020.01); A61K 6/76 (2020.01); A61K 6/77 (2020.01)] 13 Claims
 
1. A dental photocurable composition, comprising a matrix containing (A) polymerizable monomer, (B) photosensitizer, (C) photoacid generator and (D) photopolymerization accelerator, and (E) filler, wherein,
the dental photocurable composition comprises (A1) polymerizable monomer having an acidic group as the (A) polymerizable monomer, and
the dental photocurable composition comprises (D1) tertiary aliphatic amine compound having Log P of 2 or more and pKa of 10 or less as the (D) photopolymerization accelerator;
wherein the matrix contains 0.1 to 5 parts by mass of the (A1) polymerizable monomer having an acidic group with respect to 100 parts by mass of the (A) polymerizable monomer contained in the matrix.