Drug – bio-affecting and body treating compositions – Topical sun or radiation screening – or tanning preparations – Aromatic acid or derivative containing
Patent
1987-06-02
1991-03-12
Gray, Bruce
Drug, bio-affecting and body treating compositions
Topical sun or radiation screening, or tanning preparations
Aromatic acid or derivative containing
424 59, 560 19, 560 46, 560 49, 560 50, 562 46, 562 53, 564167, 564168, 564305, 564443, A61K 344
Patent
active
049991868
ABSTRACT:
The present invention relates to novel sunscreen agents which have the ability to absorb both UVA and UVB wavelength radiation. The sunscreen agents comprise a specific type of UVA-absorbing chromophore covalently bonded to a specific type of UVB-absorbing chromophore. The chromophore moieties are covalently bonded together such that the electron systems of these moieties are not directly coupled.
The present invention further relates to sunscreen compositions containing the hereinbefore described type of sunscreen agents. Furthermore, the present invention relates to methods for protecting the skin of humans or lower animals from the effects of UVA and UVB wavelength radiation. This method comprises topically applying to the skin an effective coating of a sunscreen composition of the present invention.
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Sabatelli Anthony D.
Spirnak Josephine A.
Graff IV Milton B.
Gray Bruce
Hatfield Gretchen R.
The Procter & Gamble & Company
Zerby Kim W.
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