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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
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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 13:56
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)

US3870747A Cited
US3873607A Cited
JPS4995941A Cited

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

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