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发明人郑宇鹏,赵玉洁,李文辉. "Method for the Synthesis of Polydiallyldimethylammonium chloride-sulfur dioxide copolymer" [P]. 中国发明专利, 专利号 CN 113604271 B, 授权公告日 2022-06-09.
发明人王建平,钱学锋,郭海燕. "A Process for Preparing High-Purity Polydiallyldimethylammonium chloride-sulfur dioxide copolymer" [P]. 中国发明专利, 专利号 CN 115004975 A, 授权公告日 2015-02-05.
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