EP0201188A2 — 5-Substituted pyrazolo[4,3-d] pyrimidine-7-ones, process for preparing the compounds and pharmaceutical compositions comprising the compounds
Assigned to Warner Lambert Co LLC · Expires 1986-12-17 · 39y expired
What this patent protects
The present invention relates to novel 5-substituted pyrazolo[4,3-d]pyrimidine-7-one compounds of formula: and compositions, methods of use and processes to make the compounds. The novel compounds are useful in the treatment of cardiovascular disorders, such as heart failure…
USPTO Abstract
The present invention relates to novel 5-substituted pyrazolo[4,3-d]pyrimidine-7-one compounds of formula: and compositions, methods of use and processes to make the compounds. The novel compounds are useful in the treatment of cardiovascular disorders, such as heart failure or cardiac insufficiency, The novel compounds bind adenosine receptors and selectively inhibit phosphodiesterase.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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