首页>
外国专利>
method for simultaneous extraction of pure ammonium sulphate and pure lactamen from mixtures by the beckmannsche rearrangement of cycloaliphatic ketoximen with schwefelsaeure have been received or oleum.
method for simultaneous extraction of pure ammonium sulphate and pure lactamen from mixtures by the beckmannsche rearrangement of cycloaliphatic ketoximen with schwefelsaeure have been received or oleum.