Patent · US Expired

Ionic molecular conjugates of biodegradable polyesters and bioactive polypeptides

US6867181B1 · kind B1 · utility

1Cited by

12References

14Claims

0Family size

Assignees

Société de Conseils de Recherches et d'Applications Scientifiques (S.C.R.A.S) SAS · FR
Poly-Med, Inc. · US

Inventors

Shalaby W. Shalaby · Anderson, US
Steven A. Jackson · Newton, US
Jacques-Pierre Moreau · Upton, US

Key dates

Filing date	Jan 26, 2000
Grant date	Mar 15, 2005
Priority date	—
Expiry date	Jan 26, 2020

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G63/08
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A method of spherifying a sustained release ionic conjugate which contains a free carboxyl group-containing 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.