Reco Cement owns two different patents:
The patents cover sustainable cement that is produced through a process that does not generate any significant carbon dioxide emissions, requires only a small amount of energy, and is made entirely from recycled materials or waste by-products from coal-burning power plants. These recycled materials and waste products may include gypsum, crushed glass, lime kiln dust, calcium carbonates, fly ash, granulated slag, oil shale and coral dust.