EP Patent

EP0178152A2 — Production of A-21978C derivatives

Assigned to Eli Lilly and Co · Expires 1986-04-16 · 40y expired

What this patent protects

An improved process is provided for producing A-21978C cyclic peptide derivatives having a C 2 -C 14 alkonoyl side chain which comprises feeding a C 2 -C 14 alkanoic acid, or an ester or salt thereof, to the A-21978C-producing culture during the production stages of the ferment…

USPTO Abstract

An improved process is provided for producing A-21978C cyclic peptide derivatives having a C 2 -C 14 alkonoyl side chain which comprises feeding a C 2 -C 14 alkanoic acid, or an ester or salt thereof, to the A-21978C-producing culture during the production stages of the fermentation. In addition, a new process is provided for producing the A-21978C antibiotics which comprises cultivating under aerobic conditions a new strain of microorganism.

Drugs covered by this patent

Patent Metadata

Patent number
EP0178152A2
Jurisdiction
EP
Classification
—
Expires
1986-04-16
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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