US3849561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-peptic ulcer substance from corydalis tubers
Assignee: Individual
•
Filing: 1971-04-20
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Granted: 1974-11-19
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Expires: 1991-04-20
Abstract
Abstract 1. A PHARMACEUTICAL COMPOSITION FOR TREATING PEPTIC ULCERS COMPRISING AS THE ESSENTIALLY ACTIVE INGREDIENT DEHYDROCORYDALINE CHLORIDE IN ADMIXTURE WITH A PHARMACEUTICALLY ACCEPTABLE CARRIER, SAID COMPOSITION BEING IN THE FORM OF A TALET CONTAINING 15.0 MG. OF DEHYDROCORYDALINE CHLORIDE.
Inventors
- 👤 N Ikeda
- 👤 K Nakamura
- 👤 Y Sohji
- 👤 J Iwasa
- 👤 S Naruto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:41
CPC Classifications
A; A61; A61K; A61K36/00; A61K36/18; A61K36/185; A61K36/50; A61K36/505
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A PHARMACEUTICAL COMPOSITION FOR TREATING PEPTIC ULCERS COMPRISING AS THE ESSENTIALLY ACTIVE INGREDIENT DEHYDROCORYDALINE CHLORIDE IN ADMIXTURE WITH A PHARMACEUTICALLY ACCEPTABLE CARRIER, SAID COMPOSITION BEING IN THE FORM OF A TALET CONTAINING 15.0 MG. OF DEHYDROCORYDALINE CHLORIDE.
Claim 2
Dependent Claim
37 words
A PHARMACEUTICAL COMPOSITION FOR TREATING PEPTIC ULCERS COMPRISING AS THE ESSENTIALLY ACTIVE INGREDIENT DEHYDROCORYDALINE CHLORIDE IN ADMIXTURE WITH A PHARMACEUTICALLY ACCEPTABLE CARRIER, SAID COMPOSITION BEING IN THE FORM OF A TALET CONTAINING 15.0 MG. OF DEHYDROCORYDALINE CHLORIDE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-18 | 1978-05-20 | 1978-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-18 | 1982-05-20 | 1982-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-18 | 1986-05-20 | 1986-11-19 | $7700.00 | Window Closed / Lapsed |