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US 5,705,169 AGranted
Ketotricyclo .5.2.1.0! decane derivatives
AssigneeMerck Patent GmbH
InventorsInge Stein, Michael Schwarz, Ulrich Heywang
Life of this patent
Estimating the term…
Abstract
The invention relates to ketotricyclo5.2.1.0!decane derivatives of the formula I ##STR1## wherein Phe is a phenylene group which is unsubstituted or substituted by 1 to 4 hydroxyl, alkyl or alkoxy groups having 1 to 10 C atoms, and their preparation and use as UV filters, in particular in cosmetic or pharmaceutical preparations.
Claims10
Ketotricyclo5.2.1.0!decane derivatives of the formula I ##STR8## wherein Phe is a phenylene group which is unsubstituted or substituted by 1 to 4 hydroxyl, alkyl or alkoxy groups having 1 to 10 C atoms.
Dependencies are inferred from the claim text.