US3725541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of diarrhea using an insoluble homopolymer of vinylpyrrolidone
Assignee: Individual
•
Filing: 1971-01-12
•
Granted: 1973-04-03
•
Expires: 1991-01-12
Abstract
Abstract Novel anti-diarrhea and anti-ulcergenic compositions comprising an effective amount of a water-insoluble polymer or copolymer of vinylpyrrolidone and a pharmaceutical carrier.
Inventors
- 👤 A Queuille
- 👤 R Larde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:00
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/74; A61K31/785; A61K31/787; A61K31/79
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
15 words
The method of claim 1 wherein the effective daily amount is 50 to 100 mg/kg.
References Cited (Backward Citations)
US2658045A
Cited
US3073742A
Cited
US2968592A
Cited
US3105007A
Cited
US3216983A
Cited
US3224941A
Cited
US3336129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-02 | 1976-10-02 | 1977-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-02 | 1980-10-02 | 1981-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-02 | 1984-10-02 | 1985-04-03 | $7700.00 | Window Closed / Lapsed |