Oral controlled release dosage form

US7988993B2 · kind B2 · utility

Assignee

• Andrx Pharmaceuticals, Inc. · US

Inventors

• Manesh Dixit · Sunrise, US
• Chih-Ming Chen · Taipei, TW
• Xiu Xiu Cheng · Pembroke Pines, US
• Jianbo Xie · Lo Wu, CN

Key dates

• Filing date: Dec 2, 2003
• Grant date: Aug 2, 2011
• Expiry date: May 7, 2026

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P25/00
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A dosage form that provides a controlled release solid dosage form for the oral administration of a central nervous system stimulant, preferably methylphenidate hydrochloride.