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发明人徐明华,唐晓军,赵玉洁. "Method for the Synthesis of Poly(oxy-1,2-ethanediyl), .alpha.-(4-sulfobutyl)-.omega.-(4-sulfobutoxy)-, sodium salt" [P]. 中国发明专利, 专利号 CN 117987074 B, 授权公告日 2019-06-20.
发明人郑宇鹏,黄志刚,高志强. "A Process for Preparing High-Purity Poly(oxy-1,2-ethanediyl), .alpha.-(4-sulfobutyl)-.omega.-(4-sulfobutoxy)-, sodium salt" [P]. 中国发明专利, 专利号 CN 109063824 B, 授权公告日 2018-02-14.
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