C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/314, 402/5
C08G 63/06 (2006.01) A61K 9/16 (2006.01) A61K 9/50 (2006.01) A61K 9/52 (2006.01) B01J 13/12 (2006.01)
Patent
CA 1262005
Abstract of the Disclosure The present invention provides a biodegradable high molecular polymer characterized in that the content of water-soluble low molecular compounds, as calculated on the assumption that said compounds each is a monobasic acid, is less than 0.01 mole per 100 grams of said high molecular polymer. The thus-obtained high molecular polymer has good aging stability and can be used advantageously as an excipient for pharmaceutical preparations.
508537
Miyagawa Tsutomu
Ogawa Yasuaki
Okada Hiroaki
Yamamoto Masaki
Fetherstonhaugh & Co.
Takeda Pharmaceutical Company Limited
Wako Pure Chemical Industries Ltd.
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