History Of Vulcanization • Vulcanization Of Rubber Was Discovered In 1839 by the U.S. inventor Charles Goodyear. • Thomas Hancock (1786–1865), a scientist and engineer, was the first to patent vulcanization of rubber . • Hancock was awarded a British patent on May 21, 1844. • Three weeks later on June 15, 1844 Goodyear was awarded a
BPA at five contamination levels was added to the soil of the granulometric composition of sandy loam at 0, 0.1, 2, 40 and 800 mg BPA kg⁻¹ of a dry matter (DM) of soil.