Patent US3760062A successfully refreshed from Google Patents.
US3760062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic zeolite
Assignee: Zeochem Corp
•
Filing: 1971-10-26
•
Granted: 1973-09-18
•
Expires: 1991-10-26
Abstract
Abstract Crystalline zeolites are prepared from lithia and lithia-soda systems. A lithium crystalline zeolite having the mordenite crystal structure is prepared from a lithia system having the oxide mole ratios Li2O/Al2O3/SiO2/H2O of 3/1/40/314. A lithiumsodium crystalline zeolite having the mordenite crystal structure and the formula 0.34Li2O.0.36Na2O.Al2O3.10.2SiO2.6.6H2O is prepared from a lithia-soda system.
Inventors
- 👤 L Sand
- 👤 M Sand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:09
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/26; C01B33/28; C01B33/2807; C01B33/2861; Y; Y10; Y10S; Y10S423/00; Y10S423/25
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
16 words
A method as recited in claim 1, where the period of time is around 65 hours.
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) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |