US2734796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising stable solid sodium aluminate
Assignee: —
•
Filing: —
•
Granted: 1956-02-14
•
Expires: 1973-02-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:21
CPC Classifications
C; C01; C01F; C01F7/00; C01F7/02; C01F7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
AS A NEW COMPOSITION OF MATTER, SOLID SODIUM ALUMINATE CONTAINING A MOLAR EXCESS OF NA2O WITH RESPECT TO AL2O3 IN A RATIO OF FROM ABOUT 1.115 TO ABOUT 1.155 AND CONTAINING MINOR AMOUNTS OF GUM ARABIC SUFFICIENT TO SUPPRESS THE TENDENCY OF ALUMINUM HYDROXIDE TO SEPARATE
Claim 2
Dependent Claim
46 words
AS A NEW COMPOSITION OF MATTER, SOLID SODIUM ALUMINATE CONTAINING A MOLAR EXCESS OF NA2O WITH RESPECT TO AL2O3 IN A RATIO OF FROM ABOUT 1.115 TO ABOUT 1.155 AND CONTAINING MINOR AMOUNTS OF GUM ARABIC SUFFICIENT TO SUPPRESS THE TENDENCY OF ALUMINUM HYDROXIDE TO SEPARATE
References Cited (Backward Citations)
CA472426A
Cited
US1930271A
Cited
US2165187A
Cited
US2141132A
Cited
US2159843A
Cited
US2345134A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-13 | 1959-08-15 | 1960-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-13 | 1963-08-15 | 1964-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-13 | 1967-08-15 | 1968-02-14 | $7700.00 | Window Closed / Lapsed |