EP Patent

EP0297580A1 — Amorphous form of aztreonam

Assigned to ER Squibb and Sons LLC · Expires 1989-01-04 · 37y expired

What this patent protects

The non-crystalline, amorphous form of [3S-[3α(Z),4β]]-3[[2-amino-4-thiazolyl[1-carboxy-­1-methylethoxy)imino]acetyl]amino]-4-methyl-2-­oxo-1-azetidinesulfonic acid and its pharma­ceutically acceptable salts is prepared.

USPTO Abstract

The non-crystalline, amorphous form of [3S-[3α(Z),4β]]-3[[2-amino-4-thiazolyl[1-carboxy-­1-methylethoxy)imino]acetyl]amino]-4-methyl-2-­oxo-1-azetidinesulfonic acid and its pharma­ceutically acceptable salts is prepared.

Drugs covered by this patent

Patent Metadata

Patent number
EP0297580A1
Jurisdiction
EP
Classification
—
Expires
1989-01-04
Drug substance claim
No
Drug product claim
No
Assignee
ER Squibb and Sons 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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