| Patent Number |
Title Of Patent |
Date Issued |
| 6916481 |
Active-substance vector multiparticulate system, production and use thereof |
July 12, 2005 |
| The invention relates to an active substance vector multiparticulate system and to the production and use thereof. The object of the invention is an active-substance vector multiparticulate system comprising one or several active substances included in a hydrophilic organic matrix compri |
| 5766635 |
Process for preparing nanoparticles |
June 16, 1998 |
| Nanoparticles are prepared by dissolving a poly(ethylene oxide) and/or poly(propylene oxide) polylactic copolymer in an organic solvent followed by formation of nanoparticles by mixing the solution containing the polymer with an aqueous solution and by precipitation, without using an |
| 5683723 |
Nanoparticles based on a polyoxyethelene and polyactic acid block copolymer |
November 4, 1997 |
| The invention discloses nanoparticles offering an extended time before capture by the reticulo-endothelial system. Said particles are composed of an ethylene and/or propylene polyoxide polylactic copolymer optionally mixed with a polylactic polymer. |
