The present invention relates to drug carriers composed of a block copolymer having hydrophilic and hydrophobic segments, a polymeric micelle type drug comprising hydrophobic drugs trapped by physical treatments in said drug carrier and methods for trapping hydrophobic drugs in the drug carrier. The...http://www.google.com.au/patents/US5449513?utm_source=gb-gplus-sharePatent US5449513 - Physical trapping type polymeric micelle drug preparation
