EP Patent

EP0899263A2 — Fused pyrimidine derivatives and medicaments thereof for a blood oxygen partial pressure amelioration

Assigned to Fujirebio Inc · Expires 1999-03-03 · 27y expired

What this patent protects

A pyrimidine nucleus-containing compound represented by the formula (I): wherein ring A represents the ring of the formula (a): in which R 1 is a nitro group, an amino group, a substituted amino group or a halogen atom, or the ring of the formula (b): in which R 1' is the…

USPTO Abstract

A pyrimidine nucleus-containing compound represented by the formula (I): wherein ring A represents the ring of the formula (a): in which R 1 is a nitro group, an amino group, a substituted amino group or a halogen atom, or the ring of the formula (b): in which R 1' is the group such as an alkyl group or an alkenyl group; R 2 to R 5 independently represent the group such as an alkyl group or an alkenyl group; with the proviso that at least one of R 2 to R 5 is an alkenyl group, or acid addition salts thereof.

Drugs covered by this patent

Patent Metadata

Patent number
EP0899263A2
Jurisdiction
EP
Classification
—
Expires
1999-03-03
Drug substance claim
No
Drug product claim
No
Assignee
Fujirebio 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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