Air Products was founded by the late Leonard P. Pool in 1940 in Detroit, Michigan, on the strength of a simple, but then revolutionary, idea: the "on-site" concept of producing and selling industrial gases, primarily oxygen. At the time, most oxygen was sold as a highly compressed gas in cylinders that weighed five times more than the gas product. Air Products proposed building oxygen gas generating facilities adjacent to large-volume gas users, thereby reducing distribution costs. The concept ...

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