US Patent

US9333270 — Synthesis and composition of amino acid linking groups conjugated to compounds used for the targeted imaging of tumors

Method of Use · Assigned to Purdue Research Foundation · Expires 2033-08-26 · 7y remaining

Vulnerability score 70/100 Vulnerable — likely target for IPR or design-around

What this patent protects

This patent protects methods and compositions for making and using compounds that are useful as near-infrared fluorescence probes for targeted imaging of tumors.

USPTO Abstract

The present disclosure relates to compounds that are useful as near-infrared fluorescence probes, wherein the compounds include i) a pteroyl ligand that binds to a target receptor protein, ii) a dye molecule, and iii) a linker molecule that comprises an amino acid or derivative thereof. The disclosure further describes methods and compositions for making and using the compounds, methods incorporating the compounds, and kits incorporating the compounds.

Drugs covered by this patent

FDA Patent Use Codes

When a patent is method-of-use, FDA lists it once per applicable indication ("U-code"). Each U-code carves out a specific therapeutic use that generic filers must either license or design around.

CodeDescriptionDrug
U-3291 pafolacianine-sodium

Patent Metadata

Patent number
US9333270
Jurisdiction
US
Classification
Method of Use
Expires
2033-08-26
Drug substance claim
Yes
Drug product claim
Yes
Assignee
Purdue Research Foundation
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.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.