Inventor
KNIESS HELGE
DE7 patents
Patents
7 patentsUS6719838B2Apr 13, 2004
Colored interference pigments
MERCK PATENT GMBH56 citations93
US6727308B2Apr 27, 2004
Laser-markable plastics
MERCK PATENT GMBH27 citations92
US6656259B2Dec 2, 2003
Multilayered interference pigments
MERCK PATENT GMBH38 citations92
US6376577B2Apr 23, 2002
Laser-markable plastics
MERCK PATENT GMBH25 citations92
US6291551B1Sep 18, 2001
Laser-markable plastics
MERCK PATENT GMBH49 citations92
US6776835B2Aug 17, 2004
Multilayer pigments based on coated metal platelets
MERCK PATENT GMBH26 citations89
US7611574B2Nov 3, 2009
Interference pigment with a high covering power
MERCK PATENT GMBH6 citations62