Patent · US Expired

Zero-order sustained release delivery system for carbamazephine derivatives

US6296873A · kind A · utility

45Cited by

2References

19Claims

0Family size

Assignee

YISSUM RESEARCH DEVELOPMENT COMPANY OF THE HEBREW UNIVERSITY OF JERUSALEM LTD. · IL

Inventors

Ifat Katzhendler · Jerusalem, IL
Michael Friedman · Jerusalem, IL

Key dates

Filing date	Mar 31, 2000
Grant date	Oct 2, 2001
Priority date	—
Expiry date	Mar 31, 2020

Classification

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

Abstract

A zero-order sustained-release delivery system for delivery of carbamazepine or a derivative thereof. A polymeric matrix formulation of carbamazepine comprises hydrophilic polymer or hydrophilic/hydropholic polymer mixture which permits carbamazepine or carbamezepine derivative to be released from the polymer matrix in zero-order release kinetics.

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