Today the main one is titanium dioxide — a naturally occurring compound that is extremely white and bright in its powdered form. Originally introduced as a safer alternative to white lead ...

Kester, W. Carl, Robert R. Glauber, David W. Mullins Jr., and Stacy S. Dick. "E.I. du Pont de Nemours & Co.: Titanium Dioxide." Harvard Business School Case 284-066 ...