# Biosynthetic butanol, isobutanol & bio-C4 platforms

Upstream — fermentation & cell culture — Biosynthetic C4 platforms convert sugars, biomass or industrial off-gas into four-carbon building blocks — isobutanol, isobutylene, n-butanol and C4 diols — as platform intermediates for renewable aviation fuel, polymers and solvents;

Source: https://en.bioecon.ru/market/upstream/biosynthetic-butanol-isobutanol-platforms/