Patent · US Expired

Microspheres containing condensed polyanionic bioactive agents and methods for their production

US6395253B2 · kind B2 · utility

111Cited by

19References

18Claims

0Family size

Assignee

THE REGENTS OF THE UNIVERSITY OF MICHIGAN · US

Inventors

Robert J. Levy · Yeadon, US
Vinod Labhasetwar · Solon, US
Hagit Cohen · Jerusalem, IL

Key dates

Filing date	Apr 23, 1998
Grant date	May 28, 2002
Priority date	—
Expiry date	Apr 23, 2018

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K9/5192
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention describes improved methods for incorporating nucleic acids into polymeric microspheres and/or nanospheres through the use of a condensing agent.

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