Building on Air: The International Industrial Gases Industry, 1886-2006

The industrial gases industry originated in 1886, when a London-based company began producing high-purity oxygen. Initially, purified oxygen was a solution in search of a problem, but demand for it soared early in the twentieth century with the emergence of welding technology. By then, dramatic technological improvements in air separation and purification had emerged, as had most key firms dominating the industry today. Building on air in the decades that followed, the firms expanded their produ…