Pioneer of party-plan marketing, Earl Tupper invented what during his stay at DuPont?
Earl Tupper got a job with the DuPont chemical company. Using black, inflexible pieces of polyethylene slag, a waste product of the oil refining process given to him by his supervisor at DuPont, Tupper purified the slag and molded it to create lightweight, non-breakable containers, cups, bowls, plates, and even gas masks that were used in World War II. He later designed liquid-proof, airtight lids, inspired by the secure seal of paint can lids. Tupper founded the Tupperware Plastics Company in 1938, and in 1946, the company introduced Tupper Plastics to hardware and department stores. Around 1948, he joined forces with Brownie
DuPont Pioneer DuPont Pioneer DuPont Pioneer, formerly Pioneer Hi-Bred is a large U.S. producer of hybrid seeds for agriculture. They are a major producer of genetically modified organisms (GMOs), including genetically modified crops with insect and herbicide resistance. In 1926, farm journal editor and future U.S. Vice President Henry A. Wallace, along with a group of Des Moines, Iowa businessmen, founded the "Hi-Bred Corn Company". Wallace had been experimenting with hybridization of corn and became convinced that hybrid seed corn would become important. Headquarters of DuPont Pioneer are located in Johnston, Iowa, with additional offices around the world. Pioneer produces, markets and