Patent ID: 7556858

Claim:
An article comprising: a) a substrate; b) an attachment group connecting a dendrimeric material to the substrate; and c) a dendrimeric material comprising an extension group having a valence equal to an integer of 2 to 6, said extension group being of Formula XXV wherein n is an integer of at least 2; p is an integer of 0 or 1; T is oxy or NR b where R b is selected from hydrogen, alkyl, heteroalkyl, aryl, or aralkyl; R 1 and R 2 independently are selected from an alkyl, heteroalkyl, aryl, aralkyl, or R 1 and R 2 taken together with a carbon atom to which they are attached form a carbocyclic ring; and D is a linking group with a valence equal to n that contains at least one carbon atom.