US3578398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic crystalline zeolite and preparation thereof
Assignee: Mobil Oil AS
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Filing: 1968-04-01
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Granted: 1971-05-11
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Expires: 1988-04-01
Abstract
Abstract AS A NEW ZEOLITE, A CRYSTALLINE ALUMINOSILICATE HAVING A DEFINATE REPETITIVE CRYSTALLINE STRUCTURE SIMILAR TO OFFRETITE AND CONTAINING TETRAMETHYLAMMONIUM IONS. IT IS PREPARED FROM A MIXTURE OF SILICA, ALUMINA, WATER, SODIUM OXIDE, POTASSIUM OXIDE, AND TETRAMETHYLAMMONIUM OXIDE. HYDROCARBON CONVERSION UTILIZING A CATALYST COMPRISING THE NEW ZEOLITE.
Inventors
- 👤 Edwin Earl Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:59
CPC Classifications
C; C01; C01B; C01B39/00; C01B39/02; C01B39/30; C01B39/305; Y; Y10; Y10S; Y10S423/00; Y10S423/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-10 | 1974-11-09 | 1975-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-10 | 1978-11-09 | 1979-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-10 | 1982-11-09 | 1983-05-11 | $7700.00 | Window Closed / Lapsed |