US3657153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of a catalyst for the reforming and aromatization of benzines
Assignee: INST DE CERCETARI PENTRU PRELU
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Filing: 1970-04-01
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Granted: 1972-04-18
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Expires: 1990-04-01
Abstract
Abstract A METHOD OF PRODUCING A CATALYST FOR THE REFORMING AND AROMATIZATION OF HYDROCARBONS WHICH COMPRISES REACTING ALUMINA CONTAINING BETWEEN 4% AND 40% WATER BY HYDRATION WITH A SILICON HALIDE, PREFERABLY SILICON TETRACHLORIDE SO THAT 0.05% TO 5% SILICA IS CONTAINED IN THE FINISHED CATALYST. PLATINUM IS THEN DEPOSITED UPON THE SILICA-CONTAINING SUPPORT.
Inventors
- 👤 Victor Bucur
- 👤 Trairan Mircea Filotti
- 👤 Eugenia Georgescu
- 👤 Theodora Mazare
- 👤 Ion Ghejan
- 👤 Ion Zirna
- 👤 Elena Lygia Popescu
- 👤 Toma Ioszt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:43
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09; B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/42
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) | 1975-04-18 | 1975-10-18 | 1976-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-18 | 1979-10-18 | 1980-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-18 | 1983-10-18 | 1984-04-18 | $7700.00 | Window Closed / Lapsed |