Crossword Genius

Synthetic material developed by DuPont in the 1930s (5)

Ross

I believe the answer is:

nylon

(Other definitions for nylon that I've seen before include "The first synthetic fibre" , "Synthetic material used in textiles" , "Tough synthetic material" , "Artificial yarn/fabric" , "Artificial material" .)

I've seen this clue in The Times.
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