US4853202A
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Large-pored crystalline titanium molecular sieve zeolites
Assignee: BASF Catalysts LLC
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Filing: 1987-09-08
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Granted: 1989-08-01
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Expires: 2007-09-08
Abstract
Abstract New crystalline titanium molecular sieve zeolite compositions having a pore size of about 8 Angstrom Units are disclosed together with methods for preparing the same and organic compound conversions.
Inventors
- 👤 Steven M. Kuznicki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:32
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/89; C; C01; C01B; C01B39/00; C01B39/02; C01B39/06; C01B39/08; C01B39/085
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
87 words
A crystalline titaniumsilicate molecular sieve zeolite having a pore size of approximately 8 Angstrom units and a composition in terms of mole ratios of oxides as follows: 1.0±0.25 M.sub.2/n O: TiO.sub.2 : y SiO.sub.2 : z H.sub.2 O wherein M is at least one cation having a valence of n, y is from 2.5 to 25, and z is from 0 to 100, said zeolite being characterized by an X-ray powder diffraction pattern having the lines and relative intensities set forth in Table I of the specification.
Claim 2
Dependent Claim
87 words
A crystalline titaniumsilicate molecular sieve zeolite having a pore size of approximately 8 Angstrom units and a composition in terms of mole ratios of oxides as follows: 1.0±0.25 M.sub.2/n O: TiO.sub.2 : y SiO.sub.2 : z H.sub.2 O wherein M is at least one cation having a valence of n, y is from 2.5 to 25, and z is from 0 to 100, said zeolite being characterized by an X-ray powder diffraction pattern having the lines and relative intensities set forth in Table I of the specification.
Claim 3
Dependent Claim
11 words
The zeolite of claim 1 wherein y is 3.5 to 10.
Claim 4
Dependent Claim
14 words
The zeolite of claim 1 wherein M is a mixture of sodium and potassium.
Claim 5
Dependent Claim
14 words
The zeolite of claim 1 wherein at least a portion of M is hydrogen.
Claim 6
Dependent Claim
15 words
The zeolite of claim 1 wherein at least a portion of M is rare earth.
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) | 1992-07-31 | 1993-01-30 | 1993-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-31 | 1997-01-30 | 1997-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-31 | 2001-01-30 | 2001-08-01 | $7700.00 | Window Closed / Lapsed |