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:
Aug. 28, 2007
Filed:
Dec. 02, 2003
Laibin Luo, Pierrefonds, CA;
David Lessard, Montreal, CA;
Sandra Gori, Montreal, CA;
Maxime Ranger, Montreal, CA;
Yuan Wang, Brossard, CA;
Julie Lafreniere, Saint-Bruno, CA;
Jean-francois Meunier, Montreal, CA;
Genevieve Bibeau, Montreal, CA;
Frederic Lebrun, Saint-Constant, CA;
LU Wei Liu, Brossard, CA;
Laibin Luo, Pierrefonds, CA;
David Lessard, Montreal, CA;
Sandra Gori, Montreal, CA;
Maxime Ranger, Montreal, CA;
Yuan Wang, Brossard, CA;
Julie Lafreniere, Saint-Bruno, CA;
Jean-Francois Meunier, Montreal, CA;
Genevieve Bibeau, Montreal, CA;
Frederic Lebrun, Saint-Constant, CA;
Lu Wei Liu, Brossard, CA;
Labopharm, Inc., Quebec, CA;
Abstract
The instant invention provides a two-step polymerization process for preparing amphiphilic poly(N-vinyl-2-pyrrolidone), (PVP)-block-polyester copolymers and other diblock and triblock copolymers consisting of PVP as one block. The block copolymers of the invention can be used as vehicles for drug delivery.