Anion exchange resins from alkylene polyamine meta phenylene diamine, formaldehyde and acetone
申请公布号:US2588784(A)
申请号:US19500137668
申请日期:1950.01.09
申请公布日期:1952.03.11
发明人:WHITTAKER DONALD;ALLEN GRAHAM GEORGE
分类号:B01D15/04;B01J41/12
主分类号:B01D15/04