US Patent

US8114863 — Compounds comprising short aminoalcohol chains and metal complexes for medical imaging

Composition of Matter · Assigned to Guerbet SA · Expires 2028-09-19 · 2y remaining

Vulnerability score 25/100 Strong — defensible against typical IPR challenges

What this patent protects

This patent protects compounds with specific chemical structures, including short aminoalcohol chains and metal complexes, for medical imaging.

USPTO Abstract

The present invention relates to a compound of formula (II) chosen from (IIa) and (IIb) or of formula (VI) chosen from (VIa) and (VIb) of following general formulae: in which: X 1 , X 2 , X 3 , X 4 and X 5 represent, independently of one another, L-Y in which L represents a C 1 -C 3 alkyl group, preferably (CH 2 ) n with n=1 to 3, Y represents —CONH 2 , —CO—NR7R8 or —NR8-CO—R8, or an isomer, an enantiomer or a diastereoisomer of these or their mixtures or a pharmaceutically acceptable salt of the compounds of formulae (VIa) and (VIb). It also relates to a complex of these compounds with a paramagnetic metal or a radionuclide and their use in diagnostic methods.

Drugs covered by this patent

Patent Metadata

Patent number
US8114863
Jurisdiction
US
Classification
Composition of Matter
Expires
2028-09-19
Drug substance claim
Yes
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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