US 12,102,499 B2
Two-part dental sealant, method of applying with a syringe device, and kit
Randilynn B. Christensen, Pine Springs, MN (US); Kenton D. Budd, Woodbury, MN (US); Afshin Falsafi, Woodbury, MN (US); Mahmut Aksit, Woodbury, MN (US); Jana Ninkovic, St. Paul, MN (US); Jie J. Liu, Cottage Grove, MN (US); Mark B. Agre, Rochester, MN (US); Masayuki Nakamura, Woodbury, MN (US); Jason W. Bjork, Cottage Grove, MN (US); Bradley D. Craig, Lake Elmo, MN (US); Richard P. Rusin, Woodbury, MN (US); Paul J. Homnick, Lake Elmo, MN (US); Joel D. Oxman, Minneapolis, MN (US); Yizhong Wang, Woodbury, MN (US); Paul R. Klaiber, Mahtomedi, MN (US); and Bill H. Dodge, Finlayson, MN (US)
Assigned to Solventum Intellectual Properties Company, Maplewood, MN (US)
Appl. No. 17/247,244
Filed by 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
PCT Filed Jun. 4, 2019, PCT No. PCT/IB2019/054644
§ 371(c)(1), (2) Date Dec. 4, 2020,
PCT Pub. No. WO2019/234633, PCT Pub. Date Dec. 12, 2019.
Claims priority of provisional application 62/681,567, filed on Jun. 6, 2018.
Prior Publication US 2023/0134622 A1, May 4, 2023
Int. Cl. A61C 5/64 (2017.01); A61K 6/61 (2020.01); A61K 6/62 (2020.01); A61K 6/79 (2020.01); A61K 6/887 (2020.01)
CPC A61C 5/64 (2017.02) [A61K 6/61 (2020.01); A61K 6/62 (2020.01); A61K 6/79 (2020.01); A61K 6/887 (2020.01)] 20 Claims
OG exemplary drawing
 
1. A two-part dental sealant composition comprising:
a first part comprising a (meth)acrylate resin and an oxidizing curing agent,
the first part characterized by a viscosity of no greater than 5000 cps;
a second part comprising a (meth)acrylate resin and a reducing curing agent,
the second part characterized by a viscosity of no greater than 5000 cps; and
an encapsulated material comprising:
a core comprising:
a basic material or a basic compound characterized by a pKa of 8-14, and
a source of calcium ions derived from the basic material or the basic compound, a calcium compound other than the basic material or the basic compound, or a combination thereof; and
a shell comprising a metal oxide,
wherein the shell surrounds the core, and
wherein the shell degrades, dissolves, or decomposes upon contact with water or an acidic component.