US3275571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crystalline zeolite composition and method of preparation thereof
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1962-09-11
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Granted: 1966-09-27
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Expires: 1982-09-11
Abstract
No abstract record available.
Inventors
- 👤 Mattox William Judson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:57
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/02; B01J20/10; B01J20/16; B01J20/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A PROCESS FOR FORMING A CRYSTALLINE ALUMINO-SILICATE ZEOLITE IMBEDDED IN A SILICEOUS MATRIX, SAID CRYSTALLINE ALUMINO-SILICATE ZEOLITE HAVING BEEN PREPARED BY THE INTERACTION OF COMPOUNDS CAPABLE OF PROVIDING ALUMINA, SILICA, AND METAL OXIDES, WHEREBY CRYSTALLINE ALUMINO-SILICATE ZEOLITE CRYSTALS ARE ALLOWED TO CRYSTALLIZE OUT OF MOTHER LIQUOR SOLUTION, THE IMPROVEMENT WHICH COMPRISES ADDING A SOLUTION OF COLLOIDAL SILICA TO AN ADMIXTURE OF MOTHER LIQUOR AND ALUMINO-SILICATE ZEOLITE CRYSTALS UNDER CONDITION SUFFICIENT TO FORM A GEL, THE AMOUNT OF SAID COLLOIDAL SILICA BEING SUFFICIENT TO PRODUCE A FINAL PRODUCT COMPRISING 5 TO 90 WT. PERCENT OF SAID CRYSTALLINE ALUMINOSILICATE ZEOLITE IMBEDDED IN A SILICATE GEL MATRIX, AND THEREAFTER RECOVERING SAID PRODUCT.
Claim 2
Dependent Claim
110 words
IN A PROCESS FOR FORMING A CRYSTALLINE ALUMINO-SILICATE ZEOLITE IMBEDDED IN A SILICEOUS MATRIX, SAID CRYSTALLINE ALUMINO-SILICATE ZEOLITE HAVING BEEN PREPARED BY THE INTERACTION OF COMPOUNDS CAPABLE OF PROVIDING ALUMINA, SILICA, AND METAL OXIDES, WHEREBY CRYSTALLINE ALUMINO-SILICATE ZEOLITE CRYSTALS ARE ALLOWED TO CRYSTALLIZE OUT OF MOTHER LIQUOR SOLUTION, THE IMPROVEMENT WHICH COMPRISES ADDING A SOLUTION OF COLLOIDAL SILICA TO AN ADMIXTURE OF MOTHER LIQUOR AND ALUMINO-SILICATE ZEOLITE CRYSTALS UNDER CONDITION SUFFICIENT TO FORM A GEL, THE AMOUNT OF SAID COLLOIDAL SILICA BEING SUFFICIENT TO PRODUCE A FINAL PRODUCT COMPRISING 5 TO 90 WT. PERCENT OF SAID CRYSTALLINE ALUMINOSILICATE ZEOLITE IMBEDDED IN A SILICATE GEL MATRIX, AND THEREAFTER RECOVERING SAID PRODUCT.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |