Patent US3766093A successfully refreshed from Google Patents.
US3766093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of organic cationcontaining zeolites
Assignee: Mobil Oil AS
•
Filing: 1972-01-07
•
Granted: 1973-10-16
•
Expires: 1992-01-07
Abstract
Abstract A METHOD OF REMOVING THE ORGANIC CATION FROM AN ORGANIC CATION-CONTAINING ZEOLITE WHICH COMPRISES CONTACTING THE SAID ZEOLIT WITH A SOLUTION OF A COMPOUND WHICH HAS A STANDARD OXIDATION POTENTIAL OF AT LEAST 0.25 VOLT.
Inventors
- 👤 P Chu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:24
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/26; C01B33/28; C01B33/2807; C01B33/2876; B; B01; B01J; B01J20/00; B01J20/02; B01J20/10; B01J20/16; B01J20/18; B01J20/186; B01J29/00; B01J29/04; C01B33/2884
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1976-10-15 | 1977-04-16 | 1977-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-15 | 1981-04-16 | 1981-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-15 | 1985-04-16 | 1985-10-16 | $7700.00 | Window Closed / Lapsed |