Peter Langguth;Stefan Grube;Holger Frey;Boris Obermeier
发明人:
Peter Langguth,Stefan Grube,Holger Frey,Boris Obermeier
申请号:
US12747722
公开号:
US08399523B2
申请日:
2008.12.12
申请国别(地区):
US
年份:
2013
代理人:
摘要:
The present invention relates to a strategy for improving the permeability and solubility of pharmaceuticals, based on adding a chemically modified amino alkyl methacrylate copolymer E, wherein the chemical modification is the quaternization of a fraction of the existing amino alkyl groups.