C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 39/46 (2006.01) B01J 29/06 (2006.01) C01B 39/48 (2006.01)
Patent
CA 2729265
This disclosure relates to an EMM- 12 molecular sieve having, in its as- synthesized form and in calcined form, an X-ray diffraction pattern including peaks having a d-spacing maximum in the range of 14.17 to 12.57 Angstroms, a d-spacing maximum in the range of 12.1 to 12.56 Angstroms, and non-discrete scattering between about 8.85 to 11.05 Angstroms or exhibit a valley in between the peaks having a d-spacing maximum in the range of 10.14 to 12.0 Angstroms and a d-spacing maximum in the range from 8.66 to 10.13 Angstroms with measured intensity corrected for background at the lowest point being not less than 50 % of the point at the same XRD d-spacing on the line connecting maxima in the range of 10.14 to 12.0 Angstroms and in the range from 8.66 to 10.13 Angstroms.
Cette invention concerne un tamis moléculaire EMM-12 comportant, dans sa forme synthétisée et dans sa forme calcinée, un diagramme de diffraction de rayons X comprenant des pics d'un espacement d maximal compris entre 14,17 et 12,57 angströms, un espacement d maximal compris entre 12,1 et 12,56 angströms, et une diffusion non discrète comprise entre environ 8,85 et 11,05 angströms, ou présente une vallée entre les pics ayant un espacement d maximal compris entre 10,14 et 12,0 angströms et un espacement d maximal compris entre 8,66 et 10,13 angströms avec une mesure d'intensité corrigée pour l'arrière-plan au point le plus bas non inférieure à 50 % du point au même espacement d XRD sur la courbe reliant les maxima dans la gamme de 10,14 à 12,0 angströms et dans la gamme de 8,66 et 10,13 angströms.
Dorset Douglas L.
Helton Terry E.
Kennedy Gordon J.
Roth Wieslaw J.
Yorke Thomas
Borden Ladner Gervais Llp
Exxonmobil Chemical Patents Inc.
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