DOWTHERM
LIQUID OR LIQUEFIABLE CHEMICAL PRODUCTS CONTAINING OR CONSISTING OF DIPHENYL, DIPHENYL-OXIDE, POLY-PHENYLS, AND HALOGENATED DERIVATIVES THEREOF, USED FOR HEAT TRANSFER AGENTS IN POWER PLANTS, CHEMICAL PROCESSES, OIL DISTILLATION, AND THE LIKE, AND ALSO FOR TRANSFORMER OILS, DIELECTRICS, AND THE LIKE
Registered · February 6, 1933 · 71334668 ·