November 2, 1931: DuPont DuPrene (Neoprene) Introduced
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1931 – E.I. DuPont announces to the world they have come up with a new substance that is a Synthetic rubber called DuPrene. Made from Acetylene, salt and rubber, this combination would eventually be renamed NeoPrine in 1937. The announcement was made at the American Chemical Society in Akron, Ohio.
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- 2002 – DeLi Linux is released
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