CA Patent

CA2269286A1 — Cephalosporin crystals and process for producing the same

Assigned to Individual · Expires 1999-03-04 · 27y expired

What this patent protects

Cephalosporin crystals highly stable during storage under economical conditions for a long time, which are obtained by crystallizing oily cephalosporin in an alcohol-containing solvent.

USPTO Abstract

Cephalosporin crystals highly stable during storage under economical conditions for a long time, which are obtained by crystallizing oily cephalosporin in an alcohol-containing solvent.

Drugs covered by this patent

Patent Metadata

Patent number
CA2269286A1
Jurisdiction
CA
Classification
—
Expires
1999-03-04
Drug substance claim
No
Drug product claim
No
Assignee
Individual
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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