EP Patent

EP0174464B1 — Substituierte Benzylphthalazinon-Derivate

Assigned to Asta Medica GmbH · Expires 1990-01-03 · 36y expired

What this patent protects

Patent listed against azelastine-hydrochloride.

Drugs covered by this patent

azelastine-hydrochloride (AZELASTINE HYDROCHLORIDE)

Patent Metadata

Patent number: EP0174464B1
Jurisdiction: EP
Classification: —
Expires: 1990-01-03
Drug substance claim: No
Drug product claim: No
Assignee: Asta Medica GmbH
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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