US3054657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crystalline zeolite s
Assignee: Union Carbide Corp
•
Filing: 1958-03-31
•
Granted: 1962-09-18
•
Expires: 1978-03-31
Abstract
No abstract record available.
Inventors
- 👤 Donald W Breck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:59
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=0.2NA2O:AL2O3:WSIO2:XH2O
Claim 2
Dependent Claim
21 words
A SYNTHETIC, CRYSTALLINE, ZEOLITIC SODIUM ALUMINOSILICATE OF THE MOLECULAR SIEVE TYPE HAVING A COMPOSITION, EXPRESSED IN TERMS OF OXIDES, AS FOLLOWS:
References Cited (Backward Citations)
US2306610A
Cited
GB574911A
Cited
US2413134A
Cited
GB777233A
Cited
US2882244A
Cited
FR1151287A
Cited
US2841471A
Cited
US2847280A
Cited
US2865867A
Cited
US2904607A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |