IP Library › Granted Patent US 4,894,239
Granted Patent Utility
US 4,894,239 · App. 07/194,210

Sustained-release preparation and production thereof

Inventors: Muneo Nonomura, Yasuyuki Suzuki, Masayuki Yamada
Patented Case View Patent ↗
Granted: Jan 16, 1990 Filed: May 16, 1988
Inventors
Muneo Nonomura
Yasuyuki Suzuki
Masayuki Yamada
Assignee (at issue)
Takeda Chemical Industries Ltd.

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Quick Facts
Patent No.
US 4,894,239
App. No.
07/194,210
Filed
1988-05-16
Granted
1990-01-16
Kind
A