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

Claim 8:
9. The orthodontic article of claim 8, wherein the at least one urethane (meth)acrylate is of Formula (VIII):

(H2C═C(R3)C(═O)—O)p-Q-NH—C(═O)—(O—R1—O—C(═O))m—O—R2—O—C(═O)NH-Q-(O—C(═O)C(R3)═CH2)p  (VIII),

wherein Q is a polyvalent organic linking group, R3 is a lower alkyl of 1 to 4 carbon atoms or H, p is 1 or 2, each R1 and R2 are independently an aliphatic, cycloaliphatic, or aliphatic/cycloaliphatic alkylene group and an average number of carbon atoms in a combination of all the R1 and R2 groups is 4 to 10, and m is 2 to 23.