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Patent # Title Status Filing Date Issue/Pub Date Intl Class
4451647 Heparinized polyorganophosphazenesExpiredJun 21, 82May 29, 84[A61K, C08B]
4440921 Coupling of polyorganophosphazenes to carboxylic acidExpiredJun 21, 82Apr 03, 84[C08G]

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