Diarylbutadiene-substituted diorganopolysiloxanes and...

Details Diarylbutadiene-substituted diorganopolysiloxanes and... Diarylbutadiene-substituted diorganopolysiloxanes and...

2007-05-09

2008-10-21

Barts, Samuel A (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

Reexamination Certificate

active

07439380

ABSTRACT:
Novel 4,4-diarylbutadiene-substituted diorganopolysiloxanes having the structural formulae (1) or (2):in which A is a radical of formula (3) below:are useful sunscreens for UV-photoprotecting human skin against the damaging effects of UV-radiation, notably UV-A radiation.

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patent: 2002-53527 (2002-02-01), None
patent: 03/027168 (2003-04-01), None

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