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Tupperware was invented by Earl Tupper, who introduced the first sales in 1946. He was an American, by the way, so that's his name not his title. Tupper, a chemist, was experimenting with plastic, which, back then, was new and unpopular.upperware was invented by Earl Tupper, who introduced the first sales in 1946. He was an American, by the way, so that's his name not his title. Tupper, a chemist, was experimenting with plastic, which, back then, was new and unpopular.
When Earl S. Tupper invented Poly-T, a new and better form of plastic, he opened the door for plastic to become a key material in household products. His Tupperware line, with its newly invented stay-fresh lid, also proved that goods made out of plastic could be useful, and attractive and lightweight.In addition, Tupper's company had a big impact on how household products and other items, especially for women, were sold.arl Tupper sold Tupperware to the Rexall Corporation in 1958. Rexall changed its name to Dart Industries, which merged with Kraft Industries to become Dart and Kraft a decade later. In 1986, Dart and Kraft split and Tupperware became part of one of the new companies, Premark International.