US3322690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic crystalline zeolite compositions and preparation thereof
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1963-12-10
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Granted: 1967-05-30
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Expires: 1983-12-10
Abstract
No abstract record available.
Inventors
- 👤 Bilisoly Julius Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:58
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; C10G11/05; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; C01; C01B; C01B33/00; C01B33/20; C01B33/26; C01B33/28; C01B33/2807; C01B33/2892; Y; Y10; Y10S; Y10S423/00; Y10S423/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A PROCESS FOR PREPARING A SYNTHETIC CRYSTALLINE ALUMINO-SILICATE ZEOLITE PRODUCT HAVING IMPROVED HIGH TEMPERATURE STABILITY, WHICH COMPRISES CRYSTALLIZING SAID ZEOLITE AT AN ELEVATED TEMPERATURE FROM AN AQUEOUS REACTION MIXTURE CONTAINING ALKALI METAL OXIDE, SILICA, ALUMINA, AND AN INORGANIC METAL OXIDE CAPABLE OF IMPROVING THE HIGH TEMPERATURE STABILITY OF SAID ZEOLITE AND SELECTED FROM THE GROUP CONSISTING OF OXIDES OF RARE EARTH METALS AND METALS IN GROUP II OF THE PERIODIC TABLE, SAID INORGANIC METAL OXIDE BEING PRESENT IN SAID REACTION MIXTURE AT THE TIME CRYSTALLIZATION OF SAID ZEOLITE IS INITIATED IN AN AMOUNT WITHIN THE RANGE OF FROM ABOUT 1 TO ABOUT 20 WT. PERCENT BASED ON THE WEIGHT OF SAID PRODUCT, AND RECOVERING A CRYSTALLINE ZEOLITE PRODUCT CONTAINING SAID INORGANIC METAL OXIDE FIRMLY HELD IN ITS CRYSTAL FRAMWORK.
Claim 2
Dependent Claim
129 words
A PROCESS FOR PREPARING A SYNTHETIC CRYSTALLINE ALUMINO-SILICATE ZEOLITE PRODUCT HAVING IMPROVED HIGH TEMPERATURE STABILITY, WHICH COMPRISES CRYSTALLIZING SAID ZEOLITE AT AN ELEVATED TEMPERATURE FROM AN AQUEOUS REACTION MIXTURE CONTAINING ALKALI METAL OXIDE, SILICA, ALUMINA, AND AN INORGANIC METAL OXIDE CAPABLE OF IMPROVING THE HIGH TEMPERATURE STABILITY OF SAID ZEOLITE AND SELECTED FROM THE GROUP CONSISTING OF OXIDES OF RARE EARTH METALS AND METALS IN GROUP II OF THE PERIODIC TABLE, SAID INORGANIC METAL OXIDE BEING PRESENT IN SAID REACTION MIXTURE AT THE TIME CRYSTALLIZATION OF SAID ZEOLITE IS INITIATED IN AN AMOUNT WITHIN THE RANGE OF FROM ABOUT 1 TO ABOUT 20 WT. PERCENT BASED ON THE WEIGHT OF SAID PRODUCT, AND RECOVERING A CRYSTALLINE ZEOLITE PRODUCT CONTAINING SAID INORGANIC METAL OXIDE FIRMLY HELD IN ITS CRYSTAL FRAMWORK.
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) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |