| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Introduced by DuPont in 1938, Dr. West's miracle toothbrush was the first made of this synthetic polymer | nylon | $800 | DJ | 1930s SCIENCE & TECHNOLOGY | 2012-12-06 | #6494 | |
| Antron & Cordura are 2 types of this synthetic fiber made by Du Pont | nylon | $200 | J | TECHNOLOGY | 1991-05-22 | #1563 |