Patent · US Expired

Controlled release formulation

US6673369B2 · kind B2 · utility

28Cited by

13References

27Claims

0Family size

Assignee

RANBAXY LABORATORIES LIMITED · IN

Inventors

Ashok Rampal · Nakodar, IN
Rajeev Singh Raghuvanshi · Manesar, IN
Manoj Kumar · Barwala, IN

Key dates

Filing date	Jan 22, 2002
Grant date	Jan 6, 2004
Priority date	—
Expiry date	Jan 26, 2022

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K9/2054
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The present invention relates to a controlled release pharmaceutical composition comprising amounts ranging from about 0.1 to about 4.5% w/w, of one or more of rate controlling cellulosic ether polymers.

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