POLYDIA
CHEMICAL PRODUCTS, PRIMARILY OF ACRYLAMIDE POLYMER WITH HIGH MOLECULAR WEIGHT FOR GENERAL USE IN INDUSTRIES INVOLVING THE CONDENSATION AND FILTRATION OF COAL WASHING WATER, METAL RECOVERY, SUCH AS CONDENSATION OF ZINC FLOCCULATION WATER, TREATMENT OF PAPER AND PAPER-MAKING WASTE WATER, TREATMENT OF STEEL MILL WASTE WATER, AND TREATMENT OF CHEMICAL PLANT WASTE WATER, NAMELY-SYNTHETIC WATER SOLUBLE POLYMERS; AND CHEMICALS HAVING CHARACTERISTICS OF SEPARATING SUSPENDED MATTERS FROM WATER SOLUTIO...
Expired · February 25, 1976 · 73078375 ·