Benzofuran derivatives useful as sunscreens
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United States of America Patent
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Aug 16, 1994
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N/A
app pub date -
Jun 7, 1993
filing date -
Aug 4, 1992
priority date (Note) -
Expired
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Abstract
Benzofuran derivatives of formula (I) ##STR1## in which R is alkyl, cycloalkyl, aralkyl or a divalent residue which is in its turn linked to a residue which can be obtained from (I) by removing R, highly absorb the sunlight radiations in the UVA region and, in combination with UVB sunscreens, they effectively protect the skin from noxious sunlight radiations.
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