US4637923A
Expired / Lapsed
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Synthetic crystalline silicate
Assignee: Mobil Oil AS
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Filing: 1985-06-27
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Granted: 1987-01-20
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Expires: 2005-06-27
Abstract
Abstract This invention relates to a new synthetic porous crystalline material, a method for its preparation and use thereof in catalytic conversion of organic compounds. The new crystalline material exhibits a distinctive X-ray diffraction pattern.
Inventors
- 👤 Rosemarie Szostak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:12
CPC Classifications
C; C01; C01B; C01B37/00; C01B37/02; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/70
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
66 words
A synthetic porous crystalline material having a composition, on an anhydrous basis and in terms of moles of oxides per 100 moles of silica, expressed by the formula (0-5)M.sub.2/n O:(0.02-0.2)Al.sub.2 O.sub.3 :(100)SiO.sub.2 wherein M is at least one cation having the valance n, said porous crystalline material being characterized by an X-ray diffraction pattern exhibiting values substantially as set forth in Table 1 of the specification.
Claim 2
Dependent Claim
66 words
A synthetic porous crystalline material having a composition, on an anhydrous basis and in terms of moles of oxides per 100 moles of silica, expressed by the formula (0-5)M.sub.2/n O:(0.02-0.2)Al.sub.2 O.sub.3 :(100)SiO.sub.2 wherein M is at least one cation having the valance n, said porous crystalline material being characterized by an X-ray diffraction pattern exhibiting values substantially as set forth in Table 1 of the specification.
Claim 3
Dependent Claim
55 words
The crystalline material of claim 1 having a composition, on an anhydrous basis and in terms of moles of oxides per 100 moles of silica, expressed by the formula: (0-5)R.sub.2 O:(0-5)M.sub.2/n O:(0.02-0.2)Al.sub.2 O.sub.3 :(100)SiO.sub.2 wherein M is an alkali or alkaline earth metal, n is the valence of M, and R is an organic cation.
Claim 4
Dependent Claim
18 words
The crystalline material of claim 2 wherein M is selected from the group consisting of sodium and potassium.
Claim 5
Dependent Claim
34 words
The crystalline material of claim 3 wherein R is an organic cation derived from a diethylated, linear diquaternary compound having the formula X(CH.sub.3).sub.2 (C.sub.2 H.sub.5)N(CH.sub.2).sub.4 N(C.sub.2 H.sub.5) (CH.sub.3).sub.2 X wherein X is an anion.
Claim 6
Dependent Claim
14 words
The crystalline material resulting from thermal treatment of the crystalline material of claim 1.
Claim 7
Dependent Claim
14 words
The crystalline material resulting from thermal treatment of the crystalline material of claim 2.
Claim 8
Dependent Claim
14 words
The crystalline material resulting from thermal treatment of the crystalline material of claim 3.
Claim 9
Dependent Claim
14 words
The crystalline material resulting from thermal treatment of the crystalline material of claim 4.
Claim 10
Dependent Claim
61 words
A porous crystalline material comprising the crystalline material of claim 1 having original cations replaced, at least in part, with a cation or a mixture of cations selected from the group consisting of hydrogen and hydrogen precursors, rare earth metals, and metals of Groups IIA, IIIA, IVA, IB, IIB, IIIB, IVB, VIB and VIII of the Periodic Table of the Elements.
Claim 11
Dependent Claim
61 words
A porous crystalline material comprising the crystalline material of claim 5 having original cations replaced, at least in part, with a cation or a mixture of cations selected from the group consisting of hydrogen and hydrogen precursors, rare earth metals, and metals of Groups IIA, IIIA, IVA, IB, IIB, IIIB, IVB, VIB and VIII of the Periodic Table of the Elements.
Claim 12
Dependent Claim
14 words
The crystalline material resulting from thermal treatment of the crystalline material of claim 9.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-01-19 | 1990-07-21 | 1991-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-01-19 | 1994-07-21 | 1995-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-01-19 | 1998-07-21 | 1999-01-20 | $7700.00 | Window Closed / Lapsed |