Farbenfabriken vorm Friedr. Bayer & Co 1863

1863 - Founded as 'Friedr. Bayer et comp', by Friedrich Bayer, dye salesman and Johann Friedrich Weskott, a master dyer. 1881 - the business is reformed as a joint stock company: 'Farbenfabriken vorm Fr. Bayer & Co.'. , and the company commences pharmacetical design and manufacture.

later moved to Leverkusen and developed pharmaceuticals