发明人高志强,钱学锋,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117321352 A, 授权公告日 2021-01-12.
发明人徐明华,唐晓军,刘建华. "Method for the Synthesis of Cobalt, [[2,2′-[1,2-ethanediylbis[(nitrilo-κN)methylidyne]]bis[phenolato-κO]](2-)]-, monohydrate, (SP-4-2)-" [P]. 中国发明专利, 专利号 CN 111382127 B, 授权公告日 2022-06-01.
发明人罗永刚,赵玉洁,钱学锋. "A Process for Preparing High-Purity Cobalt, [[2,2′-[1,2-ethanediylbis[(nitrilo-κN)methylidyne]]bis[phenolato-κO]](2-)]-, monohydrate, (SP-4-2)-" [P]. 中国发明专利, 专利号 CN 109674018 A, 授权公告日 2019-09-22.
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