Short answers, pulled from the story.
The DuPont Building occupies the entire block bound by 10th, 11th, Orange, and Market streets in Wilmington, Delaware. It stands as one of the first high-rises to rise from that specific city landscape.
The original structure fronted Rodney Square and rose from the ground in 1908. That initial construction housed the offices of the chemical giant DuPont.
Buccini/Pollin acquired the entire structure in January 2018. This Wilmington-based developer purchased the property which included both the office tower and the hotel business.
Joe Biden announced his candidacy for the 1972 United States Senate election inside Hotel du Pont. This specific room hosted a major political declaration within Delaware during that year.
The spinoff entity The Chemours Company emerged from DuPont in 2015. Chemours moved into the DuPont Building following the split and continues to occupy office space there today.