Patent ID: 7316807

Claim:
A porous crystalline composition having a molar composition as follows: YO 2 :m X 2 O 3 :n ZO, wherein Y is a tetravalent element selected from the group consisting of silicon, germanium, tin, titanium and combinations thereof; X is a trivalent element selected from the group consisting of aluminum, gallium, boron, iron and combinations thereof; Z is a divalent element selected from the group consisting of magnesium, zinc, cobalt, manganese, nickel and combinations thereof; m is between about 0 and about 0.5; n is between about 0 and about 0.5; and said composition has an x-ray diffraction pattern substantially as follows: Interplanar d-Spacing (Å) Relative Intensity 9.26 ± 0.50 S-VS 7.72 ± 0.20 VW 6.88 ± 0.20 S-VS 6.16 ± 0.20 VW 5.52 ± 0.15 VW 4.86 ± 0.15 VW 4.74 ± 0.15 VW 4.62 ± 0.15 VW 4.48 ± 0.10 W 4.38 ± 0.10 VW 4.10 ± 0.10 VW 3.90 ± 0.10 W 3.85 ± 0.10 W 3.83 ± 0.08 W 3.70 ± 0.08 W 3.44 ± 0.08 S 3.43 ± 0.08 S 3.33 ± 0.08 W 3.25 ± 0.08 W 3.22 ± 0.08 VW 3.08 ± 0.08 VW 2.99 ± 0.06 VW 2.89 ± 0.06 VW 2.81 ± 0.06 VW 2.75 ± 0.06 VW 2.66 ± 0.06 VW 2.55 ± 0.06 VW 2.44 ± 0.06 VW 2.43 ± 0.06 VW 2.38 ± 0.06 VW 2.26 ± 0.05 VW 2.22 ± 0.05 VW 2.14 ± 0.05 VW 2.12 ± 0.05 VW 2.05 ± 0.05 VW 2.03 ± 0.05 VW wherein VS = very strong, S = strong, M = middle, W = weak, and VW = very weak.