The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 21, 2014
Filed:
Jan. 05, 2011
Applicant:
Garret D. Figuly, Wilmington, DE (US);
Inventor:
Garret D. Figuly, Wilmington, DE (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/16 (2006.01); A61K 31/74 (2006.01); A61K 9/00 (2006.01);
U.S. Cl.
CPC ...
A61K 9/0019 (2013.01); A61K 31/74 (2013.01); A61K 9/1694 (2013.01); A61K 9/1676 (2013.01); A61K 9/1635 (2013.01);
Abstract
Swellable and degradable microspheres are described. The microspheres are prepared by a process that is reliable and high yielding, and makes use of a low temperature azo initiator, a small molecule chlorinated solvent as the organic phase, and a heat treatment step, and is carried out in absence of a crosslinking agent. The microsphere preparation made using the process is particularly useful as a degradable embolic material.