MICROPOROUS CRYSTALLINE MATERIAL, METHOD OF PREPARING AND USE THEREOF IN WASHING COMPOSITIONS Russian patent published in 2000 - IPC

FIELD: chemical industry. SUBSTANCE: described is microporous crystalline material referred to as zeolite A-LSX having in the anhydrous form molar oxide composition corresponding to formula I: (M_2/nO+M_2/nO)•Al₂O₃•zSiO₂ wherein M and M' are the same or different and are cation of alkali or alkaline- earth metal with valency of n, z is integer of 2.1 to 2.6 including extreme values having particle size of 0.9-10 mcm and certain method of preparation. Said microporous crystalline material used as additive in washing compositions makes it possible to prepare material which increases cleaning effect of washing compositions. EFFECT: improved properties of the washing compositions. 31, cl, 10 ex, 4 tbl