LARGE CRYSTAL ZSM-5, ITS SYNTHESIS AND USE

Title:

LARGE CRYSTAL ZSM-5, ITS SYNTHESIS AND USE

Document Type and Number:

WIPO Patent Application WO1996040426

Kind Code:

A3

Abstract:

PCT No. PCT/US96/09878 Sec. 371 Date Nov. 4, 1997 Sec. 102(e) Date Nov. 4, 1997 PCT Filed Jun. 6, 1996 PCT Pub. No. WO96/40426 PCT Pub. Date Dec. 19, 1996In a synthetic porous crystalline material having the structure of ZSM-5 and a composition involving the molar relationship: X2O3:(n)YO2, wherein X is a trivalent element; Y is a tetravalent element; and n is greater than about 12, the crystals have a major dimension of at least about 0.5 micron and surface framework YO2/X2O3 ratio which is no more than 20% less than the bulk framework YO2/X2O3 ratio of the crystal. The material is synthesized using an amino-acid as a directing agent.

Inventors:

CHEN CATHERINE SHUIHUA HSIA (US)
DIGUISEPPI FRANK T (US)
FORBUS THOMAS REGINALD JR (US)
RUBIN MAE KOENIG (US)
SHARMA SANJAY BHARDWAJ (US)
SHIHABI DAVID SAID (US)
TIMKEN HYE-KYUNG CHO (US)
WENTZEK STEVEN EDWARD (US)

Application Number:

PCT/US1996/009878

Publication Date:

January 30, 1997

Filing Date:

June 06, 1996

Export Citation:

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Assignee:

MOBIL OIL CORP (US)
CHEN CATHERINE SHUIHUA HSIA (US)
DIGUISEPPI FRANK T (US)
FORBUS THOMAS REGINALD JR (US)
RUBIN MAE KOENIG (US)
SHARMA SANJAY BHARDWAJ (US)
SHIHABI DAVID SAID (US)
TIMKEN HYE KYUNG CHO (US)
WENTZEK STEVEN EDWARD (US)

International Classes:

B01J29/40; B01J29/04; B01J29/86; B01J29/87; B01J29/88; C01B39/38; C01B39/40; C07C2/00; C07C2/66; C07C4/06; C07C4/18; C07C5/27; C07C5/41; C07C6/12; C07C15/08; C10G11/02; C10G35/06; (IPC1-7): B01J/

Foreign References:

US4203869A	1980-05-20
US5271920A	1993-12-21
US5256391A	1993-10-26
US5242676A	1993-09-07
US4544538A	1985-10-01
US4533533A	1985-08-06
US3676063A	1972-07-11

Other References: