ITO, ETSUO

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4762825 Polysaccharide RON substanceExpiredAug 12, 85Aug 09, 88[A61K, C08B]
4457863 Antitumor substanceExpiredMay 12, 82Jul 03, 84[C07G]
4366308 Process for the production of polysaccharide RBS substanceExpiredAug 01, 80Dec 28, 82[C08B, C13K]

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