Patent · US Expired

Sustained release ionic conjugate

US7026431B2 · kind B2 · utility

0Cited by

6References

2Claims

0Family size

Assignee

IPSEN MANUFACTURING IRELAND LIMITED · IE

Inventors

Francis Ignatious · Milford, US
Thomas Ciaran Loughman · Dublin, IE
Shalaby W. Shalaby · Anderson, US
Franck Touraud · Vienne, FR

Key dates

Filing date	Aug 7, 2003
Grant date	Apr 11, 2006
Priority date	—
Expiry date	Nov 1, 2023

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2985
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A method of spherifying a sustained release ionic conjugate which contains a free carboxyl group-containing biodegradable polymer and a free amino group-containing drug which are ionically bonded to each other.

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