Patent US4761477A successfully refreshed from Google Patents.
US4761477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
13-propylberberine salts
Assignee: SSP Co Ltd
•
Filing: 1985-11-27
•
Granted: 1988-08-02
•
Expires: 2005-11-27
Abstract
Abstract A 13-propylberberine salt, which is represented by the following general formula (I): <IMAGE> (I) wherein X- means HSO4 or H2PO4, has strong inhibitory effect against secretion, good stability and high water solubility. Its effects are shown promptly after its oral administration.
Inventors
- 👤 Tetsuro Ikekawa
- 👤 Fumitake Shimada
- 👤 Jong-Chol Cyong
- 👤 Kazuo Uebaba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:35
CPC Classifications
C; C07; C07D; C07D455/00; A; A61; A61P; A61P1/00; A61P1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A 13-propylberberine salt represented by the following general formula (I): ##STR4## wherein X - means HSO 4 or H 2 PO 4 .
Claim 2
Dependent Claim
23 words
A 13-propylberberine salt represented by the following general formula (I): ##STR4## wherein X - means HSO 4 or H 2 PO 4 .
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-08-02 | 1992-02-01 | 1992-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-08-02 | 1996-02-01 | 1996-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-08-02 | 2000-02-01 | 2000-08-02 | $7700.00 | Window Closed / Lapsed |