CRYSTALLINE ZEOLITE ZSM-5 AND METHOD OF PREPARING THE SAME

• US 3,702,886 A
• Filed: 10/10/1969
• Issued: 11/14/1972
• Est. Priority Date: 10/10/1969
• Status: Expired due to Term

• Current Assignee: George R. Landolt, Robert J. Argauer
• Original Assignee: George R. Landolt, Robert J. Argauer
• Inventors: Argauer, Robert J., Landolt, George R.
• Application Number:
  US04/865,472
• Time in Patent Office: 1,131 Days
• US Class Current: 423/705
• CPC Class Codes: B01J 20/186 Chemical treatments in view of modifying the properties of the sieve, e.g. increasing the stability or the activity, also decreasing the activity
• CPC Class Codes: B01J 2229/40 Special temperature treatment, i.e. other than just for template removal
• CPC Class Codes: B01J 29/04 having base-exchange properties, e.g. crystalline zeolites B01J29/005 takes precedence
• CPC Class Codes: B01J 29/40 of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
• CPC Class Codes: C01B 39/40 using at least one organic template directing agent
• CPC Class Codes: C07C 2529/40 of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11
• CPC Class Codes: C10G 11/05 Crystalline alumino-silicates, e.g. molecular sieves
• CPC Class Codes: C10G 35/095 containing crystalline alumino-silicates, e.g. molecular sieves C10G35/065 takes precedence
• CPC Class Codes: C10G 45/64 containing crystalline alumino-silicates, e.g. molecular sieves
• CPC Class Codes: C10G 47/16 Crystalline alumino-silicate carriers
• CPC Class Codes: Y10S 423/22 MFI, e.g. ZSM-5. silicalite, LZ-241

Abstract

A FAMILY OF CRYSTALLINE ZEOLITES, DESIGNATED ZSM-5, HAVING THE COMPOSITION, EXPRESSED AS MOLE RATIOS OF OXIDES AS FOLLOWS:

0.9$0.2M2/NO:W2O3:5-100YO2:ZH2O

WHEREIN M IS AT LEAST ONE CATION, N IS THE VALENCE THEREOF, W IS SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND GALLIUM, Y IS SELECTED FROM THE GROUP CONSISTING OF SILICON AND GERMANIUM, AND Z IS FROM 0-40, AND CHARACTERIZED BY A SPECIFIED X-RAY POWDER DIFFRACTION PATTERN. CATALYTIC CONVERSION CARRIED OUT IN THE PRESENCE OF SUCH ZEOLITES.

Claims

. 9$0.2M2/NO:

W2O3;

5-100YO2;

ZH2O