US3030181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crystalline zeolite r
Assignee: Union Carbide Corp
•
Filing: 1957-08-26
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Granted: 1962-04-17
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Expires: 1977-08-26
Abstract
No abstract record available.
Inventors
- 👤 Robert M Milton
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+0.2NA20:AL2O3:3.45-3.65SIO2:XH2O
Claim 2
Independent Claim
19 words
A METHOD OF PREPARING A CRYSTALLINE SYNTHETIC SODIUM ALUMINOSILICATE HAVING A COMPOSITION EXPRESSED IN TERMS 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) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |