EP Patent

EP1930323A1 — Biphenyl compounds useful in the synthesis of muscarinic receptor antagonists

Assigned to Innoviva Inc · Expires 2008-06-11 · 18y expired

What this patent protects

Compounds of formula XVIII: wherein a, R 1 , b, R 2 , W, c, R 3 , m, R 4 , s, Ar 1 , t, n , d , R 6 , p and R' are as defined in the specification, are intermediates in the preparation of biphenyl compounds useful as muscarinic receptor antagonists.

USPTO Abstract

Compounds of formula XVIII: wherein a, R 1 , b, R 2 , W, c, R 3 , m, R 4 , s, Ar 1 , t, n , d , R 6 , p and R' are as defined in the specification, are intermediates in the preparation of biphenyl compounds useful as muscarinic receptor antagonists.

Drugs covered by this patent

Patent Metadata

Patent number
EP1930323A1
Jurisdiction
EP
Classification
—
Expires
2008-06-11
Drug substance claim
No
Drug product claim
No
Assignee
Innoviva 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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