US2918405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Therapeutic compositions containing heat-treated attapulgite
Assignee: Wyeth LLC
•
Filing: 1957-02-11
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Granted: 1959-12-22
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Expires: 1977-02-11
Abstract
No abstract record available.
Inventors
- 👤 Barr Martin
- 👤 Anthony L Monaco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:58
CPC Classifications
A; A61; A61K; A61K33/00; A61K33/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
AN INTESTINAL ADSORBENT COMPOSITION WHICH COMPRISES ALUMINA GEL AND AT LEAST 10 PERCENT OF ATTAPULGITE CLAY WHICH HAS BEEN SUBJECTED TO HEATING AT A TEMPERATURE WITHIN THE RANGE 250-900*F. FOR A PERIOD OF TIME RANGING FROM 15 TO 30 MINUTES.
Claim 2
Dependent Claim
40 words
AN INTESTINAL ADSORBENT COMPOSITION WHICH COMPRISES ALUMINA GEL AND AT LEAST 10 PERCENT OF ATTAPULGITE CLAY WHICH HAS BEEN SUBJECTED TO HEATING AT A TEMPERATURE WITHIN THE RANGE 250-900*F. FOR A PERIOD OF TIME RANGING FROM 15 TO 30 MINUTES.
References Cited (Backward Citations)
US1949266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |