Tupperware: A timeline of the iconic brand’s defining moments

Tupperware Brands filed for bankruptcy protection on Tuesday after years of struggling with poor demand for its food storage containers and rising financial losses. Here’s a look at some of the key moments in the journey of the brand that was once the mainstay of American kitchens: 1940s The company is named after chemist Earl Tupper, who invented the plastic containers from waste polyethylene slag generated from the oil refining process at DuPont’s...