US3452138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Urea-containing chewable antacid tablets
Assignee: Bristol Myers Co
•
Filing: 1964-08-26
•
Granted: 1969-06-24
•
Expires: 1984-08-26
Abstract
No abstract record available.
Inventors
- 👤 Edmund S Granatek
- 👤 Alphonse P Granatek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:57
CPC Classifications
A; A61; A61K; A61K33/00; A61K33/06; A61K33/08; A61K33/10; A61K33/12; A61K9/00; A61K9/0012; A61K9/0053; A61K9/0056
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A CHEWABLE ANTACID TABLET COMPRISING BY WEIGHT ABOUT 35-60% OF WATER-INSOLUBLE ANTACID AGENT SELECTED FROM THE GROUP CONSISTING OF ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, MAGNESIUM OXIDE, MAGNESIUM CARBONATE AND MAGNESIUM TRISILICATE AND MIXTURES THEREOF, ABOUT 25-50% OF MANNITOL AND ABOUT 4-10% UREA.
Claim 2
Dependent Claim
41 words
A CHEWABLE ANTACID TABLET COMPRISING BY WEIGHT ABOUT 35-60% OF WATER-INSOLUBLE ANTACID AGENT SELECTED FROM THE GROUP CONSISTING OF ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, MAGNESIUM OXIDE, MAGNESIUM CARBONATE AND MAGNESIUM TRISILICATE AND MIXTURES THEREOF, ABOUT 25-50% OF MANNITOL AND ABOUT 4-10% UREA.
References Cited (Backward Citations)
US2840506A
Cited
US3224940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |