Patent US2550489A successfully refreshed from Google Patents.
US2550489A
Expired / Lapsed
US
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Ulcer therapy composition
Assignee: National Drug Co
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Filing: 1948-09-21
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Granted: 1951-04-24
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Expires: 1968-09-21
Abstract
No abstract record available.
Inventors
- 👤 Gustav J Martin
- 👤 Jack N Moss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:22
CPC Classifications
A; A61; A61K; A61K33/00; A61K33/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A COMPOSITION PARTICULARLY ADAPTED FOR ULCER THERAPY COMPRISING BENTONITE, HYDRATED SODIUM ALUMINUM SILICATE AND AN ANION EXCHANGE RESINOUS CONDENSATION PRODUCT OF A POLYALKYLENE POLYAMINE, A PHENOL AND FORMALDEHYDE.
Claim 2
Dependent Claim
28 words
A COMPOSITION PARTICULARLY ADAPTED FOR ULCER THERAPY COMPRISING BENTONITE, HYDRATED SODIUM ALUMINUM SILICATE AND AN ANION EXCHANGE RESINOUS CONDENSATION PRODUCT OF A POLYALKYLENE POLYAMINE, A PHENOL AND FORMALDEHYDE.
References Cited (Backward Citations)
US2052902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |