EP Patent

EP0432893A2 — Benzoxazine derivatives, their preparation and pharmaceutical compositions containing them

Assigned to Yamanouchi Pharmaceutical Co Ltd · Expires 1991-06-19 · 35y expired

What this patent protects

A novel benzoxazine derivative of the formula (I): and a pharmaceutically acceptable salt thereof which are useful as potassium channel activating agents are disclosed.

USPTO Abstract

A novel benzoxazine derivative of the formula (I): and a pharmaceutically acceptable salt thereof which are useful as potassium channel activating agents are disclosed.

Drugs covered by this patent

Patent Metadata

Patent number
EP0432893A2
Jurisdiction
EP
Classification
—
Expires
1991-06-19
Drug substance claim
No
Drug product claim
No
Assignee
Yamanouchi Pharmaceutical Co Ltd
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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