Patent ID: 8444952

Claim:
An IM-20 crystalline solid having, in its calcined form, an X ray diffraction diagram including at least the peaks shown in the table below: 2 theta (°) d hkl (Å) I/I 0 3.49 25.27 Vw 6.95 12.72 Vs 7.02 12.59 S 7.63 11.58 W 7.79 11.34 Vw 8.38 10.54 Vw 9.87 8.95 Vw 10.32 8.56 W 10.90 8.11 W 12.47 7.09 Vw 12.98 6.81 Vw 13.91 6.36 Vw 14.05 6.30 Vw 15.27 5.80 Vw 15.89 5.57 Vw 17.59 5.04 Vw 18.21 4.87 Vw 19.82 4.48 Vw 20.70 4.29 Vw 21.15 4.20 Vw 22.10 4.02 Vw 22.32 3.98 W 22.57 3.94 Vw 22.99 3.86 Vw 23.39 3.80 Vw 24.05 3.70 Vw 24.30 3.66 Vw 24.70 3.60 Vw 25.10 3.54 Vw 25.30 3.52 Vw 28.05 3.18 Vw 28.67 3.11 vw in which: Vs=very strong; S=strong; M=medium; Mw=medium weak; W=weak; Vw=very weak, and having a chemical composition expressed by the following general formula: mXO 2 : nGeO 2 : pZ 2 O 3 : qR: sF: wH 2 O, in which R represents one or more organic species, X represents one or more tetravalent element(s) other than germanium, Z represents at least one trivalent element and F is fluorine, m, n, p, q, s and w respectively representing the number of moles of XO 2 , GeO 2 , Z 2 O 3 , R, F and H 2 O and m is in the range 0.3 to 0.8, n is in the range 0.2 to 0.7, p is in the range 0 to 0.1, q is in the range 0 to 0.2, s is in the range 0 to 0.2 and w is in the range 0 to 1.