[1]CurrentPatentAssignee:I.G.FARBENINDUSTRIEAG(historic)-DE479354,1929,C
[1]Drosdow;Tschernzow[ZhurnalObshcheiKhimii,1935,vol.5,p.1736,1739][ChemischesZentralblatt,1937,vol.108,#I,p.2602]
[1]Tschernzow;Drosdow[ZhurnalObshcheiKhimii,1939,vol.9,p.1435,1439][ChemischesZentralblatt,1940,vol.111,#I,p.1670]
[1]Tschernzow;Drosdow[ZhurnalObshcheiKhimii,1939,vol.9,p.1435,1439][ChemischesZentralblatt,1940,vol.111,#I,p.1670]