73685293
Sep 21, 1987
Oct 11, 1988
WATER TREATMENT CHEMICALS FOR USE IN STEAM AND COOLING SYSTEMS; WASTE TREATMENT CHEMICALS; AND INDUSTRIAL PROCESS CHEMICALS SUCH AS DEPOSIT AND CORROSION INHIBITORS, NEUTRALIZING AGENTS, WETTING AND RETENTION AIDS, BRIGHTENERS, WIRE LIFE EXTENDERS, ANTIOXIDANTS, ANTIFOAMS, AND EMULSION BREAKERS
Chemicals