This new zeolite has the BPH morphology and is structurally related to zeolite Q. UZM-4 has en empirical formula of Mm n+Rr p+Al1???xExSiyOz where M is an alkali or alkaline earth metal ion, R can be a quaternary ammonium...http://www.google.co.uk/patents/US6419895?utm_source=gb-gplus-sharePatent US6419895 - Crystalline aluminosilicate zeolitic composition: UZM-4Advanced Patent SearchPublication n