Title:
IMPROVED ZEOLITES AND MOLECULAR SIEVES AND THE USE THEREOF
Document Type and Number:
WIPO Patent Application WO2002032812
Kind Code:
A3
Abstract:
An improved zeolite having a high number of strong acid sites wherein said zeolite has an AAI of at least (1.0). In a preferred embodiment, such zeolite is produced by controlling conditions after production of the crystalline structure such that loss of tetrahedral aluminium is minimized to thereby provide a zeolite with the above defined AAI.
Inventors:
OVERBEEK RUDOLF A
VAN DER PUIL NELLEKE
YEH CHUEN Y
MURRELL LAWRENCE L
CHANG YUN-FENG
ANGEVINE PHILIP JAY
KAEZLER JAN HENK
VAN DER PUIL NELLEKE
YEH CHUEN Y
MURRELL LAWRENCE L
CHANG YUN-FENG
ANGEVINE PHILIP JAY
KAEZLER JAN HENK
Application Number:
PCT/US2001/049938
Publication Date:
January 16, 2003
Filing Date:
October 19, 2001
Export Citation:
Assignee:
ABB LUMMUS GLOBAL INC (US)
International Classes:
B01J29/06; B01J29/70; B01J35/00; B01J37/08; C01B37/00; C01B39/02; C01B39/04; C01B39/48; C07C2/66; C10G29/20; C10G45/64; C10G47/16; B01J37/00; (IPC1-7): C01B37/00; C01B39/02; B01J29/04; C10G45/64; C10G47/16; C07C5/22; C07C2/66; C07B37/02
Foreign References:
| US5304601A | 1994-04-19 | |||
| US6090991A | 2000-07-18 | |||
| EP0801027A1 | 1997-10-15 | |||
| US5258570A | 1993-11-02 |
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