Production method for sustained-release preparation

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Patent number: US2005100604
Publication date: 2005-05-12
Inventor: SHIMIZU HISAYOSHI (JP); NONOMURA MUNEO (JP); FUTO TOMOMICHI (JP); MUKAI KEI (JP)
Applicant:
Classification:
- international: A61K9/22; A61K9/14; F26B5/06
- european: A61K9/16H6D4; A61K9/19; F26B5/06
Application number: US20040001889 20041202
Priority number(s): JP19980009911 19980121
Abstract of US2005100604

This invention provides a production method for a solid sustained-release preparation, characterized in that a sustained-release preparation (a sustained-release preparation suspension) is freeze-dried in a freeze-drying container whose inner face is partially or totally coated with an ice layer or water-repelling base material.