发明人周伟,高志强,杨光. "Method for the Synthesis of Sodium methacrylate-acrylamide copolymer" [P]. 中国发明专利, 专利号 CN 112087476 A, 授权公告日 2019-07-17.
发明人赵玉洁,王建平,沈红梅. "A Process for Preparing High-Purity Sodium methacrylate-acrylamide copolymer" [P]. 中国发明专利, 专利号 CN 111114262 A, 授权公告日 2016-06-09.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". Chemosphere, 2010, 2025, (11), 1309-1317.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". Rapid Commun. Mass Spectrom., 2012, 1440, 5712-5739.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Sodium methacrylate-acrylamide copolymer Using HRMS and NMR". Chromatographia, 2019, 316, 4265-4273.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate N/A Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2025, 1002, (3), 9226-9241.