US Patent

US9675703 — Modified release formulations containing drug - ion exchange resin complexes

Formulation · Assigned to Tris Pharma Inc · Expires 2027-03-15 · 1y remaining

Vulnerability score 60/100 Moderate — design-around opportunities exist

What this patent protects

This patent protects a method of making and products containing a coated complex of a drug and an ion-exchange resin.

USPTO Abstract

A particulate, pH-independent, modified release barrier coated drug-cation exchange resin complex comprising a core composed of a drug complexed with a pharmaceutically acceptable ion-exchange resin is provided. Methods of making and products containing this coated complex are described.

Drugs covered by this patent

Patent Metadata

Patent number: US9675703
Jurisdiction: US
Classification: Formulation
Expires: 2027-03-15
Drug substance claim: No
Drug product claim: Yes
Assignee: Tris Pharma Inc
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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