Jump to: Patent Number of items: 5. PatentCouncil of Scientific and Industrial Research (1959) Electrowinning of Zinc by Electrolysis of Zinc Chloride Solutions. 62293. Council of Scientific and Industrial Research (1959) Electrowining of Zinc and Recovery of Elemental Sulphur from Zinc Sulphide Ores. 62292. Council of Scientific and Industrial Research (1959) Improvements in or relating to electrolytic preparation of salicylaldehyde. 60864. Council of Scientific and Industrial Research (1959) Improvements in and or relating to the electrolytic preparatlon of manganic sulphate. 62379. Council of Scientific and Industrial Research (1959) A process for the oxidation of toluene to benzaldehyde. 62426. |