US Patent

US9089496 — Compositions comprising methylphenidate complexed with ion-exchange resin particles

Formulation · Assigned to Neos Therapeutics LP · Expires 2032-06-28 · 6y remaining

Vulnerability score 42/100 Strong — defensible against typical IPR challenges

What this patent protects

This patent protects pharmaceutical compositions of methylphenidate complexed with ion-exchange resin particles in various forms, including uncoated and delayed release coated particles.

USPTO Abstract

Pharmaceutical compositions of methylphenidate complexed with ion-exchange resin particles to form drug-resin particles are provided. The compositions have a first plurality of drug-resin particles that are uncoated and a second plurality of drug-resin particles that are coated with a delayed release coating.

Drugs covered by this patent

Patent Metadata

Patent number
US9089496
Jurisdiction
US
Classification
Formulation
Expires
2032-06-28
Drug substance claim
No
Drug product claim
Yes
Assignee
Neos Therapeutics LP
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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