EP Patent

EP0767657A4 — NEW METHOD FOR THE PRODUCTION OF KNOWN AND NEW 2'-MODIFIED NUCLEOSIDES BY INTRAMOLECULAR NUCLEOPHILE SUBSTITUTION

Assigned to Sigma Aldrich Co LLC · Expires 1999-01-20 · 27y expired

What this patent protects

Patent listed against null.

Drugs covered by this patent

Patent Metadata

Patent number: EP0767657A4
Jurisdiction: EP
Classification: —
Expires: 1999-01-20
Drug substance claim: No
Drug product claim: No
Assignee: Sigma Aldrich Co LLC
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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