Patent · US Expired

Once daily analgesic tablet

US6177102A · kind A · utility

6Cited by

9References

20Claims

0Family size

Assignee

Andrx Pharmaceuticals, Inc. · US

Inventors

Chih-Ming Chen · Taipei, TW
Joseph Chou · Coral Springs, US
David Wong · Taoyuan, TW

Key dates

Filing date	Dec 2, 1999
Grant date	Jan 23, 2001
Priority date	—
Expiry date	Dec 2, 2019

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K9/2013
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

An analgesic controlled release dosage form containing: (a) 40-80 weight percent of an analgesic; (b) 10-30 weight percent of a pharmaceutically acceptable filler; and (c) 10-30 weight percent of a carrier base wherein the carrier base is formed from a high molecular weight hydroxypropyl methylcellulose, a water soluble binder and optionally a water insoluble binder.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.