Inventor
WATANABE TAKAJI
JP6 patents
Patents
6 patentsUS4435220AMar 6, 1984
Transparent colored pigments
MERCK PATENT GMBH62 citations95
US4828623AMay 9, 1989
Water resistant nacreous pigment and process for producing the same
MERCK PATENT GMBH34 citations92
US4772331ASep 20, 1988
Flaky colored pigments, methods for their production, and their use in cosmetic compositions
MERCK PATENT GMBH44 citations91
US4956019ASep 11, 1990
Novel flaky color pigment and process for producing the same
MERCK PATENT GMBH20 citations81
US4603047AJul 29, 1986
Flaky pigments, process for their preparation
MERCK PATENT GMBH23 citations81
US4720438AJan 19, 1988
Molded clay article coated with pearl pigment
MERCK PATENT GMBH14 citations72