Crystalline solids having the RUB-13 structure

摘要

A crystalline solid comprising a boro-, alumino-, gallo-, titano-, vanado- or zincosilicate or a mixture thereof having the RUB-13 structure, which has a monoclinic space group and exhibits an X-ray diffraction pattern in which at least the following reflections (hkl) occur at the stated diffraction angles: - h k l Intensity I/Io d-spacings (dhkl) - 0 2 0 very strong 10.26 - 0 1 1 very strong 9.79 - -1 3 1 weak 4.98 - 0 4 1 medium 4.53 - -2 0 1 medium 4.52 - -1 1 2 medium 4.46 - and their uses.