US4954325A
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US
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Composition of synthetic porous crystalline material, its synthesis and use
Assignee: ExxonMobil Oil Corp
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Filing: 1988-10-06
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Granted: 1990-09-04
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Expires: 2008-10-06
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 and unusually large equilibrium adsorption capacities.
Inventors
- 👤 Mae K. Rubin
- 👤 Pochen Chu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:04
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/70; B01J29/7038; B01J29/7049; B01J29/7088; B01J29/72; B01J29/74; B01J29/7476; B01J29/86; C; C01; C01B; C01B39/00; C01B39/02; C01B39/06; C01B39/12; C01B39/46; C01B39/48; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/12; C07C2529/00; C07C2529/04; C07C2529/06; C07C2529/70
Claims Analysis
Total Claims: 38
Claim 1
Independent Claim
61 words
A synthetic porous crystalline material characterized by an X-ray diffraction pattern in its calcined form including values substantially as set forth in Table III of the specification and having equilibrium adsorption capacities of greater than about 10 wt. % for water vapor, greater than about 4.5 wt. % for cyclohexane vapor and greater than about 10 wt. % for n-hexane vapor.
Claim 2
Dependent Claim
61 words
A synthetic porous crystalline material characterized by an X-ray diffraction pattern in its calcined form including values substantially as set forth in Table III of the specification and having equilibrium adsorption capacities of greater than about 10 wt. % for water vapor, greater than about 4.5 wt. % for cyclohexane vapor and greater than about 10 wt. % for n-hexane vapor.
Claim 3
Dependent Claim
26 words
The synthetic porous crystalline material of claim 1 characterized by an X-ray diffraction pattern including values substantially as set forth in Table IV of the specification.
Claim 4
Dependent Claim
34 words
The crystalline material of claim 1 having a composition comprising the molar relationship X.sub.2 O.sub.3 :(n)YO.sub.2, wherein n is at least about 10, X is a trivalent element and Y is a tetravalent element.
Claim 5
Dependent Claim
34 words
The crystalline material of claim 2 having a composition comprising the molar relationship X.sub.2 O.sub.3 :(n)YO.sub.2, wherein n is at least about 10, X is a trivalent element and Y is a tetravalent element.
Claim 6
Dependent Claim
62 words
The crystalline material of claim 1 having an as-synthesized composition, on an anhydrous basis and in terms of moles of oxides per n moles of YO 2 , expressed by the formula: (0.005 to 0.1)Na.sub.2 O:(1 to 4)R:X.sub.2 O.sub.3 :nYO.sub.2 wherein R is an organic moiety, n is at least about 10, X is trivalent element and Y is a tetravalent element.
Claim 7
Dependent Claim
11 words
The crystalline material of claim 5 wherein said R is hexamethyleneimine.
Claim 8
Dependent Claim
60 words
The crystalline material comprising the crystalline material of claim 5 having original cations replaced, at least in part, with a cation of 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 9
Dependent Claim
14 words
The crystalline material resulting from thermal treatment of the crystalline material of claim 5.
Claim 10
Dependent Claim
14 words
The crystalline material resulting from thermal treatment of the crystalline material of claim 7.
Claim 11
Dependent Claim
22 words
The crystalline material of claim 3 wherein n is from about 10 to about 150, X comprises aluminum and Y comprises silicon.
Claim 12
Dependent Claim
22 words
The crystalline material of claim 5 wherein n is from about 10 to about 150, X comprises aluminum and Y comprises silicon.
Claim 13
Dependent Claim
16 words
The crystalline material of claim 7 wherein said replacing cations comprise hydrogen or a hydrogen precursor.
Claim 14
Dependent Claim
12 words
The crystalline material of claim 9 wherein said replacing cations comprise metals.
Claim 15
Dependent Claim
12 words
A composition comprising the crystalline material of claim 1 and a matrix.
Claim 16
Dependent Claim
10 words
The composition of claim 14 wherein said matrix comprises alumina.
Claim 17
Independent Claim
160 words
A method for preparing a synthetic crystalline material characterized by an X-ray diffraction pattern including values substantially as set forth in Table III of the specification and having equilibrium adsorption capacities of greater than about 10 wt. % for water vapor, greater than about 4.5 wt. % for cyclohexane vapor and greater than about 10 wt. % for n-hexane vapor, said crystalline material having a composition comprising the molar relationship X.sub.2 O.sub.3 :(n)YO.sub.2 wherein n is at least about 10, X is a trivalent element and Y is a tetravalent element, said method comprising preparing a reaction mixture capable of forming said material upon crystallization, said reaction mixture containing sufficient amounts of alkali or alkaline earth metal cations, a source of tetravalent Y oxide containing at least about 30 wt. % solid YO 2 , a source of trivalent X oxide, water and hexamethyleneimine, and maintaining said reaction mixture under sufficient crystallization conditions until crystals of said material are formed.
Claim 18
Independent Claim
160 words
A method for preparing a synthetic crystalline material characterized by an X-ray diffraction pattern including values substantially as set forth in Table III of the specification and having equilibrium adsorption capacities of greater than about 10 wt. % for water vapor, greater than about 4.5 wt. % for cyclohexane vapor and greater than about 10 wt. % for n-hexane vapor, said crystalline material having a composition comprising the molar relationship X.sub.2 O.sub.3 :(n)YO.sub.2 wherein n is at least about 10, X is a trivalent element and Y is a tetravalent element, said method comprising preparing a reaction mixture capable of forming said material upon crystallization, said reaction mixture containing sufficient amounts of alkali or alkaline earth metal cations, a source of tetravalent Y oxide containing at least about 30 wt. % solid YO 2 , a source of trivalent X oxide, water and hexamethyleneimine, and maintaining said reaction mixture under sufficient crystallization conditions until crystals of said material are formed.
Claim 19
Dependent Claim
66 words
The method of claim 16 wherein said reaction mixture has a composition in terms of mole ratios within the following ranges: YO 2 /X 2 O 3 =10 to 80; H 2 O/YO 2 =5 to 100; OH - /YO 2 =0.01 to 1.0; M/YO 2 =0.01 to 2.0; R/YO 2 =0.05 to 1.0; wherein R represents hexamethyleneimine and M represents alkali or alkaline earth metal.
Claim 20
Dependent Claim
54 words
The method of claim 17 wherein said reaction mixture has a composition in terms of mole ratios within the following ranges: YO 2 /X 2 O 3 =10 to 60; H 2 O/YO 2 =10 to 50; OH - /YO 2 =0.1 to 0.5; M/YO 2 =0.1 to 1.0; R/YO 2 =0.1 to 0.5.
Claim 21
Dependent Claim
20 words
The method of claim 16, wherein said reaction mixture further comprises a sufficient amount of crystal formation enhancing seed crystals.
Claim 22
Independent Claim
153 words
A method for preparing a synthetic crystalline material characterized by an X-ray diffraction pattern including values substantially as set forth in Table III of the specification and having equilibrium adsorption capacities of greater than about 10 wt. % for water vapor, greater than about 4.5 wt. % for cyclohexane vapor and greater than about 10 wt. % for n-hexane vapor, said crystalline material having a composition comprising the molar relationship X.sub.2 O.sub.3 :(n)YO.sub.2 wherein n is at least about 10 to about 150, X comprises aluminum and Y comprises silicon, said method comprising preparing a reaction mixture capable of forming said material upon crystallization, said reaction mixture containing sufficient amounts of alkali or alkaline earth metal cations, a source of silica containing at least about 30 wt. % solid silica, an oxide of aluminum, water and hexamethyleneimine, and maintaining said reaction mixture under sufficient crystallization conditions until crystals of said material are formed.
Claim 23
Independent Claim
153 words
A method for preparing a synthetic crystalline material characterized by an X-ray diffraction pattern including values substantially as set forth in Table III of the specification and having equilibrium adsorption capacities of greater than about 10 wt. % for water vapor, greater than about 4.5 wt. % for cyclohexane vapor and greater than about 10 wt. % for n-hexane vapor, said crystalline material having a composition comprising the molar relationship X.sub.2 O.sub.3 :(n)YO.sub.2 wherein n is at least about 10 to about 150, X comprises aluminum and Y comprises silicon, said method comprising preparing a reaction mixture capable of forming said material upon crystallization, said reaction mixture containing sufficient amounts of alkali or alkaline earth metal cations, a source of silica containing at least about 30 wt. % solid silica, an oxide of aluminum, water and hexamethyleneimine, and maintaining said reaction mixture under sufficient crystallization conditions until crystals of said material are formed.
Claim 24
Dependent Claim
66 words
The method of claim 20 wherein said reaction mixture has a composition in terms of mole ratios within the following ranges: SiO 2 /Al 2 O 3 =10 to 80; H 2 O/SiO 2 =5 to 100; OH - /SiO 2 =0.01 to 1.0; M/SiO 2 =0.01 to 2.0; R/SiO 2 =0.05 to 1.0; wherein R represents hexamethyleneimine and M represents alkali or alkaline earth metal.
Claim 25
Dependent Claim
54 words
The method of claim 21 wherein said reaction mixture has a composition in terms of mole ratios within the following ranges: SiO 2 /Al 2 O 3 =10 to 60; H 2 O/SiO 2 =10 to 50; OH - /SiO 2 =0.1 to 1.5; M/SiO 2 =0.1 to 1.0; R/SiO 2 =0.1 to 0.5.
Claim 26
Dependent Claim
20 words
The method of claim 20, wherein said reaction mixture further comprises a sufficient amount of crystal formation enhancing seed crystals.
Claim 27
Dependent Claim
16 words
The method of claim 20 wherein said solid silica source is a precipitated, spray dried silica.
Claim 28
Dependent Claim
15 words
The method of claim 21 wherein said solid silica source is a precipitated hydrated silica.
Claim 29
Dependent Claim
15 words
A synthetic porous crystalline material having the X-ray diffraction pattern of FIG. 1 after calcination.
Claim 30
Dependent Claim
15 words
A synthetic porous crystalline material having the X-ray diffraction pattern of FIG. 1 after calcination.
Claim 31
Dependent Claim
15 words
A synthetic porous crystalline material having the X-ray diffraction pattern of FIG. 2 after calcination.
Claim 32
Dependent Claim
15 words
A synthetic porous crystalline material having the X-ray diffraction pattern of FIG. 2 after calcination.
Claim 33
Dependent Claim
15 words
A synthetic porous crystalline material having the X-ray diffraction pattern of FIG. 3 after calcination.
Claim 34
Dependent Claim
15 words
A synthetic porous crystalline material having the X-ray diffraction pattern of FIG. 3 after calcination.
Claim 35
Dependent Claim
15 words
A synthetic porous crystalline material having the X-ray diffraction pattern of FIG. 4 after calcination.
Claim 36
Dependent Claim
15 words
A synthetic porous crystalline material having the X-ray diffraction pattern of FIG. 4 after calcination.
Claim 37
Dependent Claim
15 words
A synthetic porous crystalline material having the X-ray diffraction pattern of FIG. 5 after calcination.
Claim 38
Dependent Claim
15 words
A synthetic porous crystalline material having the X-ray diffraction pattern of FIG. 5 after calcination.
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1993-09-03 | 1994-03-05 | 1994-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-09-03 | 1998-03-05 | 1998-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-09-03 | 2002-03-05 | 2002-09-04 | $7700.00 | Window Closed / Lapsed |