Patent No. U.S. 7,495,042 B2
Cabot Corporation has received a patent for a pigment composition comprised of at least one pigment and at least one dispersant composition comprised of at least one anionic surfactant and at least one polymer comprised of at least one salt of a carboxylic acid group, wherein the pigment is a modified carbon product comprised of a carbon product having attached at least one organic group, and wherein the organic group is comprised of at least one aromatic group or at least one C1-C12 alkyl group and further it is comprised of at least one anionic group or salts thereof.