US4078083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel prostanoic acids
Assignee: Hoechst AG
•
Filing: 1976-02-19
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Granted: 1978-03-07
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Expires: 1996-02-19
Abstract
Abstract New derivatives of prostanoic acids are described as well as a process for their manufacture. The new compounds show valuable pharmacological activities and can be used for treating e.g. asthma bronchiale, high blood pressure and edema.
Inventors
- 👤 Milos Babej
- 👤 Wilhelm Bartmann
- 👤 Ulrich Lerch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:43
CPC Classifications
C; C07; C07D; C07D309/00; C07D309/02; C07D309/08; C07D309/10; C07D309/12; A; A61; A61P; A61P43/00; C07C; C07C405/00; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/54
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
13 words
15-α-hydroxy-5-methyl-9-oxo-13-trans-prostenoic acid and physiologically acceptable salts thereof with an organic or inorganic base.
Claim 2
Dependent Claim
13 words
15-α-hydroxy-5-methyl-9-oxo-13-trans-prostenoic acid and physiologically acceptable salts thereof with an organic or inorganic base.
Claim 3
Dependent Claim
27 words
A pharmaceutical composition for treating bronchial spasms, said composition comprising a bronchospasmolytic amount of a compound as claimed in claim 1 in combination with a pharmaceutical carrier.
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) | 1981-03-06 | 1981-09-05 | 1982-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-03-06 | 1985-09-05 | 1986-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-03-06 | 1989-09-05 | 1990-03-07 | $7700.00 | Window Closed / Lapsed |