发明授权
US6004712A Coated carrier 有权
涂层载体

Coated carrier
摘要:
A carrier comprised of a core and thereover a polymer of (1) methylmethacrylate and a monoalkyl aminoalkyl methacrylate, or (2) a polymer of methylmethacrylate and dialkylaminoalkyl methacrylate.
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