<P> IG Farben was a German chemical and pharmaceutical industry conglomerate . Its name was taken from Interessen - Gemeinschaft Farbenindustrie AktienGesellschaft (Plc Syndicate (literally, "community of interests") of dye - making corporations). The company was formed in 1925 from a number of major chemical companies that had been working together closely since World War I; as a monopoly - seeking conglomerate it was largely modeled after the American company Standard Oil, and it was closely connected to Standard Oil's successor companies . During its heyday, IG Farben was both the largest company in Europe overall and the largest chemical and pharmaceutical company in the world . </P> <P> IG Farben scientists made fundamental contributions to all areas of chemistry and the pharmaceutical industry . Notably IG Farben scientists discovered the first sulfa antibiotic, fundamentally reformed medical research and "opened a new era in medicine ." Otto Bayer discovered the polyaddition for the synthesis of polyurethane in 1937 . Several IG Farben scientists were awarded Nobel Prizes . Carl Bosch and Friedrich Bergius were awarded the Nobel Prize in Chemistry in 1931 "in recognition of their contributions to the invention and development of chemical high pressure methods". Gerhard Domagk was awarded the Nobel Prize in Physiology or Medicine in 1939 "for the discovery of the antibacterial effects of prontosil". Kurt Alder was awarded the Nobel Prize in Chemistry in 1950 for his "discovery and development of the diene synthesis". </P> <P> The company played a role in German politics from its establishment . During the 1920s, it had ties to the liberal German People's Party and was reviled by the Nazis who accused it of being an "international capitalist Jewish company ." The company later became a donor to the Nazi Party in the 1930s, and was a large government contractor after the Nazi takeover of Germany, providing significant material for the German war effort and becoming embroiled in regime policy including the use of slave labor at Farben's Buna Werke facility at Auschwitz, and the use of its minority - owned subsidiary's Zyklon B poison gas in the Holocaust . The company resumed operations after the Second World War, but in 1951 it was split into its four largest original constituent companies, which remain some of the world's largest chemical and pharmaceutical companies . These companies initially had the same owners, continued to operate as an informal cartel and played a major role in the West German Wirtschaftswunder . Following several later mergers the main successor companies are Agfa, BASF, Bayer and Sanofi . </P> <P> IG Farben was founded on 9 December 1925, as a merger of the following six companies: </P>

How did ig farben company and auschwitz cooperate together
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