1941–1979[]
LOGO MISSING |
Styrofoam is a trademark of polystyrene building materials introduced in 1941 by Dow Chemical Company.
1979-1997[]
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1997-200?[]
200?-2019[]
Owner Dow merged with DuPont in 2017, forming Dow DuPont.
2019–present[]
Styrofoam has been marketed by DuPont since the demerger of Dow DuPont in 2019.