US Patent

US8846100 — Controlled dose drug delivery system

Formulation · Assigned to Shire LLC · Expires 2029-08-24 · 3y remaining

Vulnerability score 48/100 Strong — defensible against typical IPR challenges

What this patent protects

This patent protects a controlled dose drug delivery system for amphetamine salts that releases the medication in multiple pulses.

USPTO Abstract

A multiple pulsed dose drug delivery system for pharmaceutically active amphetamine salts, comprising a pharmaceutically active amphetamine salt covered with an immediate-release coating and a pharmaceutically active amphetamine salt covered with an enteric coating wherein the immediate release coating and the enteric coating provide for multiple pulsed dose delivery of the pharmaceutically active amphetamine salt. The product can be composed of either one or a number of beads in a dosage form, including either capsule, tablet, or sachet method for administering the beads.

Drugs covered by this patent

Patent Metadata

Patent number
US8846100
Jurisdiction
US
Classification
Formulation
Expires
2029-08-24
Drug substance claim
No
Drug product claim
Yes
Assignee
Shire LLC
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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