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

Claim 14:
15. The orthodontic article of claim 14, wherein the at least one urethane (meth)acrylate is of Formula (XIII):

(A)p-Q-OC(O)NH—Rdi—NH—C(O)—[O—RdOH2—OC(O)NH—Rdi—NH—C(O)]x—O-Q-(A)p  (XIII),

wherein Q is a polyvalent organic linking group, A is a (meth)acryl functional group of 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, R1 is a lower alkyl of 1 to 4 carbon atoms or H, and wherein p is 1 or 2, Rdi is the residue of a diisocyanate, and each RdOH2 is independently selected from the residue of a polyester polyol or the residue of a polycarbonate polyol, with the proviso that x is greater than 2.