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The Origin of Teflon On April 6, 1938, a DuPont chemist was working on new forms of the Dupont refrigerant Freon when he made an amazing discovery. A container that had been stored overnight and should have contained a very cold gas, instead contained a waxy solid. As it turns out, the gas had turned into polytetrafluoroethylene or PTFE, an incredibly slippery substance. After further research, this substance turned out to be inert to virtually all other chemicals he subjected it to. In 1941, Dupont patented the process and came up with the trade name Teflon but it wasn't until 1946 that it was actually applied to products. Originally it was applied to machine parts for military and industrial applications due to its low coefficient of friction. It wasn't until the early 1960's that it was first applied to cookware as a non-stick surface and became a household name.

Contributed by Mark Bowman on March 12, 2008, at 2:59 PM UTC.

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This intel was contributed by Mark Bowman

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