Patent ID: 6407055
Filing Date: 2002-06-18
Classification: C01B,C11D

Abstract:
A crystalline alkali metal phyllosilicate of the formulaaMI2O.bEO2.cX2O5.dZO3SiO2.eH2O, in which MI is an alkali metal, E is an element selected from the group consisting of carbon, germanium, tin, lead, or mixtures thereof, X is an element of the fifth main group and Z is an element of the sixth main group of the Periodic Table of the Elements and the following also applies:0.25&lE;a&lE;6.25 2.5Â·10âˆ’4&lE;b&lE;5.63 0&lE;c&lE;2.81 0&lE;d&lE;5.63 0&lE;e&lE;15.3.