73078375
Feb 25, 1976
Jun 7, 1977
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 SOLUTIONS AND FLOCCULATING CHARACTERISTICS UTILIZED FOR CLARIFICATION, THICKENING, FILTRATION AND CENTRIFUGING, PARTICULARLY IN THE MINING AND WASTE WATER TREATMENT INDUSTRIES, NAMELY-FLOCCULATING AGENTS, DRILLING-FLUID ADDITIVES, AND FLOODING AGENTS FOR PETROLEUM RECOVERY
Chemicals