Otto Bayer was a German industrial chemist at IG Farben who was head of the research group that in 1937 discovered the polyaddition for the synthesis of polyurethanes out of poly-isocyanate and polyol.
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File:2 - Street name sign, Otto-Bayer-Straße, Leverkusen, Germany.jpg | Street name sign, Otto-Bayer-Straße, Leverkusen, Germany. ==References==