AU Patent

AU2020208794B2 — Diastereoisomerically enriched complex of gadolinium and of a PCTA-based chelating ligand, and process for preparing and purifying same

Assigned to Guerbet SA · Expires 2023-01-12 · 3y expired

What this patent protects

The present invention relates to a complex having formula (II), consisting of at least 90% of a diastereoisomeric excess comprising a mixture of II-RRR and II-SSS isomers having the formulas: (II-SSS) (II-RRR). The present invention also relates to a process for preparing and pur…

USPTO Abstract

The present invention relates to a complex having formula (II), consisting of at least 90% of a diastereoisomeric excess comprising a mixture of II-RRR and II-SSS isomers having the formulas: (II-SSS) (II-RRR). The present invention also relates to a process for preparing and purifying said complex of formula (II) and to a composition comprising said complex.

Drugs covered by this patent

Patent Metadata

Patent number
AU2020208794B2
Jurisdiction
AU
Classification
—
Expires
2023-01-12
Drug substance claim
No
Drug product claim
No
Assignee
Guerbet SA
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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