SYNTHETIC PHYLLOSILICATES NOT CAPABLE OF SWELLING FOR POLYMER PHYLLOSILICATE (NANO)COMPOSIT… Application US-20110204286-A1 United States of America 25 Aug 2011
Process for purifying clay by the hydrothermal conversion of silica impurities to a… Grant US-6090734-A United States of America 18 Jul 2000
Method of manufacturing polymer-grade clay for use in nanocomposites Grant US-6050509-A United States of America 18 Apr 2000