US7875151B2 - Kaolin products and their production ...
US7875151B2 US12/234,531 US23453108A US7875151B2 US 7875151 B2 US7875151 B2 US 7875151B2 US 23453108 A US23453108 A US 23453108A US 7875151 B2 US7875151 B2 US 7875151B2 Authority US United States Prior art keywords particulate particles kaolin less particle size Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.