Patent ID: 11945900
Assignee: 3M INNOVATIVE PROPERTIES COMPANY
Field: Pharmaceuticals (Chemistry)
Classification: CPC C  A  B  G | IPC A  B  C

Claim 12:
13. The orthodontic article of claim 12, wherein the at least one urethane (meth)acrylate is of Formula (XII):

(A)p-Q-NHC(O)—[—RdOH—OC(O)NH—Rdi—NH—C(O)]v—[O—RAD—OC(O)NH—Rdi—NH—C(O)]w—O—RdOH1—O—C(O)NH-Q-(A)p  (XII),

wherein, Rdi is the residue of a diisocyanate, RAD is the residue of a (meth)acrylated diol, Q is a polyvalent organic linking group, A has the formula —XC(═O)C(R1)═CH2, wherein X is O, S, or NR4, R4 is H or alkyl of 1 to 4 carbon atoms, and R1 is a lower alkyl of 1 to 4 carbon atoms or H, p is 1 or 2, v+w is 1 to 15, and RdOH1 is selected from RdOH or RAD, with the provisos that if v is 0 then RdOH1 is RdOH, and if w is 0 then RdOH1 is RAD.