| 摘要 |
1307347 Para-quinone RHONE-POULENC SA 25 May 1971 [27 May 1970]- 16972/71 Heading C2C [Also in Division C7] The oxidation of benzene and phenol to paraquinone is carried out in an electrolyser with cells comprising a lead anode and a lead cathode and divided into two compartments by an acrylonitrile copolymer membrane. |
