Splenda is the commercial name and registered trademark of a sucralose-based artificial sweetener derived from sugar, owned by the British company Tate & Lyle and American company Johnson & Johnson. Sucralose was discovered by Tate & Lyle and researchers at Queen Elizabeth College, University of London, in 1976. Tate & Lyle subsequently developed sucralose-based Splenda products in partnership with Johnson & Johnson subsidiary McNeil Nutritionals LLC.