| http://www.w3.org/ns/prov#value | - A method of producing a combination carbon black/ silica pigment which includes the steps of producing a carbon black in a carbon black furnace by the incomplete combustion of a hydrocarbon oil, quenching the products of combustion including the carbon black with a silica i ment water slurry in an amount and of a silica concentration sufiicient to provide a carbon black/silica pigment having incre
|
