| Answer | Crossword Clue |
|---|---|
| CIR | Dupont, in DC |
| ORLON | DuPont discontinued it in 1990 |
| NYLON | Polymer developed by DuPont in 1935 |
| NYLON | Polymer introduced by DuPont in 1938 |
| FREONGAS | GM and DuPont partnered to make it in the 1930s |
| CIR | Columbus in N.Y.C. or DuPont in D.C. |
