EI Du Pont de Nemours and Co

Nylon — The First Synthetic Fiber, Invented at DuPont

Wallace Carothers' 1937 DuPont patent describes nylon — the world's first fully synthetic textile fiber, created from coal, water, and air, which launched the synthetic materials industry.

Kevlar — The Fiber Five Times Stronger Than Steel, Invented by Accident

Stephanie Kwolek's 1965 DuPont patent describes Kevlar — the aramid fiber that is five times stronger than steel by weight, discovered when Kwolek insisted on testing a strange cloudy polymer solution her colleagues thought was defective.