Inventor
EMMERT RALF
US6 patents
Patents
6 patentsUS6019831AFeb 1, 2000
Non-lustrous pigments
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US5009711AApr 23, 1991
Golden color luster pigments
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US5718906AFeb 17, 1998
Light-stable cosmetic composition
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US5656262AAug 12, 1997
Skin-coloring powder mixture
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US4780140AOct 25, 1988
Platelet-shaped iron oxide pigments
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US6399044B1Jun 4, 2002
Skin-coloring powder mixture
MERCK PATENT GMBH3 citations61