| 摘要 |
PROBLEM TO BE SOLVED: To obtain a blood cholesterol-lowering agent having excellent administrability. SOLUTION: The hydrophilic polymer has an anion exchange group (a) and a hydrophilic group (b) in the molecule, monodisperse water solubility, micelle water solubility, water emulsifiability, water suspension colloidal property and, for example, has a structure represented by formula (m/n is 0.25-15; Y is a counter ion; number-average molecular weight Mn by<SP>1</SP>HNMR is 5,000-50,000; R<SP>1</SP>, R<SP>2</SP>and R<SP>5</SP>are each independently a methyl group or an ethyl group; R<SP>3</SP>is a hydrogen atom or a methyl group; R<SP>4</SP>is a 1-5C alkoxy group; k is an integer of 1-3; m is an integer of 50-300; m is an integer of 20-200). COPYRIGHT: (C)2006,JPO&NCIPI
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