US4088659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Effective substance from plants belonging to the Labiatae family
Assignee: Hoechst AG
•
Filing: 1976-12-17
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Granted: 1978-05-09
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Expires: 1996-12-17
Abstract
Abstract Extraction processes are described resulting in the isolation of a pharmacologically active substance from a plant of the Labiatae family. Chemical and physical properties of this compound are given in the specification. Because of its vasodilating and blood pressure lowering effect the compound is useful as a drug for the treatment of hypertension.
Inventors
- 👤 Sujata V. Bhati
- 👤 Noel J. DE Souza
- 👤 Horst Dornauer
- 👤 Bani K. Bhattacharya
- 👤 Alihusein N. Donadwalla
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:09
CPC Classifications
A; A61; A61K; A61K36/00; A61K36/18; A61K36/185; A61K36/53; A61P; A61P9/00; A61P9/08; A61P9/12; C; C07; C07D; C07D311/00; C07D311/02; C07D311/78; C07D311/92
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A compound, in purified and isolated form, of the formula ##STR4##
Claim 2
Dependent Claim
11 words
A compound, in purified and isolated form, of the formula ##STR4##
References Cited (Backward Citations)
US3816458A
Cited
US3901924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-05-08 | 1981-11-07 | 1982-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-08 | 1985-11-07 | 1986-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-08 | 1989-11-07 | 1990-05-09 | $7700.00 | Window Closed / Lapsed |