DuPont de Nemours, Inc., commonly shortened to DuPont, is an American multinational chemical company first formed in 1802 by French-American chemist and industrialist Éleuthère Irénée du Pont de Nemours. From Wikipedia
The deal, the largest of its kind in the state, resolves claims of environmental damage from 'forever chemicals' but does not include an admission of guilt by 3M.