IP Library › Granted Patent US 6,699,500
Granted Patent Utility
US 6,699,500 · App. 09/520,150

Sustained-release preparation capable of releasing a physiologically active substance

Inventors: Hiroaki Okada, Yayoi Douken
Patented Case View Patent ↗
Granted: Mar 2, 2004 Filed: Mar 7, 2000
Inventors
Hiroaki Okada
Yayoi Douken
Assignee (at issue)
Takeda Chemical Industries Ltd.

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Quick Facts
Patent No.
US 6,699,500
App. No.
09/520,150
Filed
2000-03-07
Granted
2004-03-02
Kind
B2