IP Library › Granted Patent US 5,304,377
Granted Patent Utility
US 5,304,377 · App. 07/986,299

Prolonged release preparation and polymers thereof

Inventors: Minoru Yamada, Seiko Ishiguro, Yasuaki Ogawa
Patented Case View Patent ↗
Granted: Apr 19, 1994 Filed: Dec 7, 1992
Inventors
Minoru Yamada
Seiko Ishiguro
Yasuaki Ogawa
Assignee (at issue)
Takeda Chemical Industries Ltd.

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Quick Facts
Patent No.
US 5,304,377
App. No.
07/986,299
Filed
1992-12-07
Granted
1994-04-19
Kind
A