71530014
Jul 30, 1947
Jun 28, 1949
COMPLEX SYNTHETIC RESINS IN THE FORM OF PARTICULATE SOLIDS FOR GENERAL USE IN THE INDUSTRIAL ARTS IN THE REMOVAL OF NEGATIVE IONS FROM AQUEOUS SOLUTIONS AND ORGANIC SOLVENT SOLUTIONS FOR BASE EXCHANGE ACTION, SUCH AS THE REMOVAL OF ALKALINE-EARTH METAL CATIONS IN THE PURIFICATION OF WATER AND OF SUGAR SYRUPS
Natural Agricultural Products