US2962355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crystalline zeolite e
Assignee: Union Carbide Corp
•
Filing: 1957-12-13
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Granted: 1960-11-29
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Expires: 1977-12-13
Abstract
No abstract record available.
Inventors
- 👤 Donald W Breck
- 👤 Nancy A Acara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:28
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/26; C01B33/28; C01B33/2807; C01B33/2869
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
9+0.1(XK2O:(1-X)NA2O):
Claim 2
Dependent Claim
20 words
A PROCESS FOR PREPARING A CRYSTALLINE ZEOLITE HAVING A COMPOSITION, EXPRESSED IN TERMS OF MOLE RATIOS OF OXIDES, AS FOLLOWS:
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) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |