08.10.05
l Patent No. U.S. 6,533,858 B1
Engelhard Corp. has been granted a patent for a non-bleeding, non-agglomerated, lustrous colored pigment comprising platy particles whose surface has been coated with a first coating layer comprising anionic polymeric substance and water-insoluble colored pigment, the percentages of the
Engelhard Corp. has been granted a patent for a non-bleeding, non-agglomerated, lustrous colored pigment comprising platy particles whose surface has been coated with a first coating layer comprising anionic polymeric substance and water-insoluble colored pigment, the percentages of the