Compositions comprising a UV-absorbing chromophore

Details Compositions comprising a UV-absorbing chromophore Compositions comprising a UV-absorbing chromophore

2006-06-19

2010-06-01

Richter, Johann R (Department: 1616)

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

Reexamination Certificate

active

07727514

ABSTRACT:
A chemical composition comprising a linker agent and a compound comprising at least one UV-absorbing chromophore, wherein the linker agent is characterized by the general formula:wherein X1and X2are the same or different, and at least one of X1or X2is a functional group that bonds with the compound comprising at least one UV-absorbing chromophore, and b+f≧2, Y comprises an O, N, or S that is substituted or unsubstituted, each a, b, c, e and f is ≧0 and a+b+c+e+f≧2, d is 0 or 1, n1 and n2 represent the number of hydrogen atoms required to complete the undesignated valencies, and m ranges from 1 to about 100 and each individual m unit may be the same or different.

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