Patent ID: 8916652

Claim:
A compound comprising formula (I): wherein each DHPD a , DHPD l , DHPD p , independently, can be the same or different; each L b , L k , and L o is; each L d , L i and L m represent a bond between an O and PA; each PA c , PA j and PA n , independently, can be the same or different; e is a value from 1 to about 3; f is a value from 1 to about 10; g is a value from 1 to about 3; h is a value from 1 to about 10, wherein f+h is a value from 6 to about 20; each of R 1 , R 2 and R 3 , independently, is a branched or unbranched alkyl group having at least 1 carbon atom; each PA, independently, is a poly(alkylene oxide) polyether having a molecular weight between about 1,500 and about 5,000 daltons; and each DHPD, independently, is a dopamine, 3,4-dihydroxyphenylalanine, 3,4-dihydroxyphenyl ethanol or 3,4-dihydroxyhydrocinnamic acid residue.