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| Number | Title | Issue Date |
| 7601363 | Sustained-release drug formulations The present invention relates to a formulation for implantation having a novel constitution, which accomplishes controlled releases of active ingredients. The formulation comprises one of combinations (a), (b) and (c), as well as a carrier comprising a hydrophobic p... | 10/13/2009 |
| 7247312 | Sustained-release drug formulations for implantation The present invention relates to a formulation for implantation having a novel constitution, which accomplishes controlled releases of active ingredients. The formulation comprises one of combinations (a), (b) and (c), as well as a carrier comprising a hydrophobic p... | 07/24/2007 |
| 7101567 | Controlled release preparations having multi-layer structure Preparations whereby two or more drugs can be released separately at appropriate speeds depending on the disease or the release behaviors of one or more drugs can be precisely controlled, which consist of an outer layer wherein a water-soluble drug is dispersed in a... | 09/05/2006 |
| 6756048 | Long time drug-sustained release preparation The present invention relates to a sustained release preparation of a lipophilic drug, comprising a drug dispersion wherein the lipophilic drug and a water-soluble substance are dispersed, in a solid state at the body temperature of an animal or a human being to whi... | 06/29/2004 |
