Inventor
FRANZ KLAUS D
DE5 patents
Patents
5 patentsUS4744832AMay 17, 1988
Iron oxide coated perlescent pigments
MERCK PATENT GMBH77 citations94
US4867793ASep 19, 1989
Nacreous pigments
MERCK PATENT GMBH162 citations91
US4828826AMay 9, 1989
Cosmetic formulations with carrier-free iron oxide platelets
MERCK PATENT GMBH59 citations91
US5022923AJun 11, 1991
Pearl luster pigments stable to glaze and enamel
MERCK PATENT GMBH28 citations89
US4780140AOct 25, 1988
Platelet-shaped iron oxide pigments
MERCK PATENT GMBH14 citations71