| http://www.w3.org/ns/prov#value | - a: and salts and copolymers thereof, where n is a positive integer and x is...http://www.google.com/patents/US6177478?utm_source=gb-gplus-sharePatent US6177478 - Using an amine polymer; prevent kidney stonesAdvanced Patent SearchPublication numberUS6177478 B1Publication typeGrantApplication numberUS 09/359,226Publication dateJan 23, 2001Filing dateJul 22, 1999Priority dateNov 5, 1997Fee statusPaid
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