Johansson L, Mueller T C, Kowalski A. "Method for the Synthesis of 25569-53-3
Butanedioic acid, polymer with 1,2-ethanediol
Succinic acid ethyleneglycol polymer" [P]. European Patent, EP 3485903 A1, 2019-05-03.
发明人赵玉洁,冯建国,马晓峰. "A Process for Preparing High-Purity 25569-53-3
Butanedioic acid, polymer with 1,2-ethanediol
Succinic acid ethyleneglycol polymer" [P]. 中国发明专利, 专利号 CN 113369632 B, 授权公告日 2020-03-26.
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