Patent ID: 7074385

Claim:
A process for the preparation of an IM-12 crystallized solid that exhibits an x-ray diffraction diagram that includes at least the lines that are inscribed in the table below: d hkl (â„«) 2 theta (Â°) I/I O 14.40 6.13 FF 12.60 7.00 F 11.98 7.37 f 10.69 8.27 f 9.22 9.58 f 8.22 10.76 ff 7.91 11.17 ff 7.37 12.00 ff 7.19 12.29 ff 7.00 12.64 ff 6.30 14.05 ff 6.12 14.46 ff 5.98 14.80 ff 5.66 15.64 ff 5.32 16.65 ff 5.18 17.10 ff 5.07 17.48 ff 5.02 17.65 ff 4.60 19.28 ff 4.56 19.45 ff 4.36 20.35 ff 4.24 20.93 ff 4.19 21.19 ff 4.14 21.45 ff 4.06 21.87 ff 3.98 22.29 ff 3.95 22.47 ff 3.93 22.60 ff 3.91 22.68 ff 3.75 23.69 ff 3.72 23.88 ff 3.68 24.14 ff 3.62 24.56 ff 3.59 24.73 ff 3.53 25.16 ff 3.49 25.47 ff 3.39 26.20 ff 3.35 26.55 ff 3.28 27.11 ff 3.23 27.52 ff where FF=very high; m=mean; f=low; F=high; mf=medium low; ff=very low and that exhibits a chemical composition that is expressed on an anhydrous base, in terms of oxide moles, defined by the following general formula: XO 2 :m YO 2 :p Z 2 O 3 :q R 2/n O in which R represents one or more cation(s) of valence n, X represents one or more tetravalent element(s) different from germanium, Y represents germanium, Z represents at least one trivalent element, whereby m, p and q respectively represent the mole number of YO 2 , Z 2 O 3 and R 2/n O, and m is between 0 and 1, p is between 0 and 0.5, and q is between 0 and 0.7, said process comprising initiating the mixing of at least one source of at least one XO 2 oxide, optionally at least one source of the YO 2 oxide, optionally at least one source of at least one Z 2 O 3 oxide, at least one nitrogen-containing organic cation R, or at least one precursor of the nitrogen-containing organic cation or at least one decomposition product of the nitrogen-containing organic cation and then in initiating the hydrothermal treatment of said mixture until said IM-12 crystallized solid is formed, with the proviso that R is the cation (6R,10S)-6,10-dimethyl-5-azoniaspiro[4,5]decane.