EP Patent

EP0220958A2 — Selective chemical removal of a protein amino-terminal residue

Assigned to Eli Lilly and Co · Expires 1987-05-06 · 39y expired

What this patent protects

The invention relates to a process and compounds useful therein for producing a compound having an amino acid sequence defining a biologically active peptide or protein from a compound of the formula in which X is the residue of a naturally occurring amino acid and Peptide i…

USPTO Abstract

The invention relates to a process and compounds useful therein for producing a compound having an amino acid sequence defining a biologically active peptide or protein from a compound of the formula in which X is the residue of a naturally occurring amino acid and Peptide is a sequence of amino acids defining a biologically active peptide or protein , which comprises subjecting H-X-Pro-Peptide to conditions under which a diketopiperazine of the H-X-pro- moiety is formed with accompanying cleavage and release of Peptide.

Drugs covered by this patent

Patent Metadata

Patent number
EP0220958A2
Jurisdiction
EP
Classification
—
Expires
1987-05-06
Drug substance claim
No
Drug product claim
No
Assignee
Eli Lilly and Co
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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