EP Patent

EP0911333A1 — Pyrazolo[4,3-d]pyrimidine derivatives and pharmaceutical compositions containing them

Assigned to Pfizer Inc · Expires 1999-04-28 · 27y expired

What this patent protects

Compounds are disclosed which are useful as PDE1 inhibitors. The compounds have the formula:

USPTO Abstract

Compounds are disclosed which are useful as PDE1 inhibitors. The compounds have the formula:

Drugs covered by this patent

Patent Metadata

Patent number
EP0911333A1
Jurisdiction
EP
Classification
Expires
1999-04-28
Drug substance claim
No
Drug product claim
No
Assignee
Pfizer Inc
Source
FDA Orange Book + USPTO grounding via Google Patents

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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