- Bayer was established in 1863 in Barmen as a organization between color sales representative Friedrich Bayer and dyer Friedrich Weskott.
- As was common in this time, the company set up as a dyestuffs producer. The flexibility of aniline chemistry led to extend their trade into other ranges, and in 1899 propelled the compound acetylsalicylic corrosive beneath the trademarked title Aspirin.
- In 1904 Bayer gotten a trademark for the symbol, which was stamped onto each headache medicine tablet, making an famous item that’s still sold . Other known items commercialized incorporate heroin, phenobarbitol, polyurethanes, and polycarbonates.