US2982612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing sodium zeolite a
Assignee: Union Carbide Corp
•
Filing: 1959-01-26
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Granted: 1961-05-02
•
Expires: 1979-01-26
Abstract
No abstract record available.
Inventors
- 👤 Richard M Barrer
- 👤 Frederick W Bultitude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:38
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/26; C01B33/28; C01B33/2807; C01B33/2815; Y; Y10; Y10S; Y10S423/00; Y10S423/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A PROCESS FOR PRODUCING SUBSTANTIALLY PURE SODIUM ZEOLITE A WHICH COMPRISES: (1) PREPARING A REACTANT MIXTURE HAVING THE COMPOSITION EXPRESSED IN TERMS OF OXIDE MOLE RATIOS ABOUT AS FOLLOWS:
Claim 2
Dependent Claim
29 words
A PROCESS FOR PRODUCING SUBSTANTIALLY PURE SODIUM ZEOLITE A WHICH COMPRISES: (1) PREPARING A REACTANT MIXTURE HAVING THE COMPOSITION EXPRESSED IN TERMS OF OXIDE MOLE RATIOS ABOUT AS FOLLOWS:
References Cited (Backward Citations)
US2882243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |