US 12,351,668 B2
Orthodontic articles comprising polymerized composition with pendent cyclic moieties, methods, and polymerizable compositions
Thomas P. Klun, Lakeland, MN (US); Chad M. Amb, Roberts, WI (US); Richard J. Pokorny, Maplewood, MN (US); Saswata Chakraborty, Cottage Grove, MN (US); Benjamin C. Mac Murray, Minneapolis, MN (US); Tianyu Wu, St. Paul, MN (US); Ahmed S. Abuelyaman, Woodbury, MN (US); Yongshang Lu, Woodbury, MN (US); Daniel J. Skamser, Ham Lake, MN (US); Karl J. L. Geisler, St. Paul, MN (US); and John M. Riedesel, San Jose, CA (US)
Assigned to Solventum Intellectual Properties Company, Maplewood, MN (US)
Appl. No. 17/605,289
Filed by SOLVENTUM INTELLECTUAL PROPERTIES COMPANY, Maplewood, MN (US)
PCT Filed May 19, 2020, PCT No. PCT/IB2020/054745
§ 371(c)(1), (2) Date Oct. 21, 2021,
PCT Pub. No. WO2020/234775, PCT Pub. Date Nov. 26, 2020.
Claims priority of provisional application 62/850,721, filed on May 21, 2019.
Prior Publication US 2022/0242991 A1, Aug. 4, 2022
Int. Cl. C08F 2/46 (2006.01); A61C 7/08 (2006.01); B29C 64/124 (2017.01); B33Y 10/00 (2015.01); B33Y 70/00 (2020.01); B33Y 80/00 (2015.01); C08F 2/50 (2006.01); C08F 290/06 (2006.01); C08G 61/04 (2006.01); B29K 105/00 (2006.01); B29L 31/00 (2006.01)
CPC C08F 290/067 (2013.01) [A61C 7/08 (2013.01); B29C 64/124 (2017.08); B33Y 10/00 (2014.12); B33Y 70/00 (2014.12); B33Y 80/00 (2014.12); B29K 2105/0002 (2013.01); B29L 2031/753 (2013.01)] 19 Claims
 
1. An orthodontic article comprising a reaction product of a polymerizable composition comprising:
a) 30-70 parts by weight of (meth)acrylate monomer(s); and
b) a urethane (meth)acrylate polymer comprising a reaction product of at least: a diol lacking pendent cyclic moieties, a polyisocyanate, and a reactive compound comprising pendent cyclic moieties;
wherein the reaction product comprises at least 1 weight percent polymerized units of a multifunctional compound comprising pendent cyclic moieties.