发明人孙丽萍,王建平,刘建华. "Method for the Synthesis of N4,N4-Di([1,1'-biphenyl]-4-yl)-N4'-phenyl-[1,1'-biphenyl]-4,4'-diamine" [P]. 中国发明专利, 专利号 CN 109715196 B, 授权公告日 2024-11-10.
发明人赵玉洁,马晓峰,钱学锋. "A Process for Preparing High-Purity N4,N4-Di([1,1'-biphenyl]-4-yl)-N4'-phenyl-[1,1'-biphenyl]-4,4'-diamine" [P]. 中国发明专利, 专利号 CN 112355191 A, 授权公告日 2025-10-02.
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