Ketotricyclo ?.5.2.1.0! decane derivatives

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United States of America Patent

PATENT NO 5705169
SERIAL NO

08506350

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Abstract

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The invention relates to ketotricyclo?5.2.1.0!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.

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Patent Owner(s)

Patent OwnerAddress
MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNGFRANKFURTER STRASSE 250 DARMSTADT 64293

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Heywang, Ulrich Darmstadt, DE 25 268
Schwarz, Michael Grosse-Gerau, DE 125 1706
Stein, Inge Rodgau, DE 5 167

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