03.01.13
U.S. 8,211,224 B2
Sun Chemical Corp. has been granted a process for making a pearlescent pigment comprised of reducing a metal oxide coated substrate with a hydrogen source in the presence of a particulate noble metal catalyst in a liquid medium.
Sun Chemical Corp. has been granted a process for making a pearlescent pigment comprised of reducing a metal oxide coated substrate with a hydrogen source in the presence of a particulate noble metal catalyst in a liquid medium.