73660349
May 7, 1987
Aug 29, 1989
CHEMICALS AND CHEMICAL PREPARATIONS FOR TREATMENT OF FUEL OIL; CHEMICALS AND CHEMICAL PREPARATIONS USED IN OIL PRODUCTION SYSTEMS; POLYELECTROLYTES FOR USE AS CAGULANT/FLOCULANT AIDS IN SOLID/LIQUID SEPARATION PROCESSES AND PRETREATMENT FOR INDUSTRIAL WATER AND WASTE WATER; CORROSION INHIBITORS, DEPOSIT CONTROL AGENTS AND MICROBIOCIDES FOR COOLING WATER TREATMENT; AND PHOSPHATES, ORGANICS, OXYGEN SCAVENGERS, AMINES, DISPERSING-SOLUBILIZING TREATMENTS, CAUSTIC ADDITIVES AND ANTIFOAM CHEMICALS AND CHEMICAL COMPOSITIONS, ALL FOR THE TREATMENT AND CONDITIONING OF FUELS AND WATER
Chemicals