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
                                Cancelled  ·  February 6, 1933  ·  71334668  ·