Effective Sept. 1, Bayer’s Material-Science business is now Covestro. Bayer intends to float Covestro on the stock market by mid-2016, following through with a plan that was announced in September 2014. The name Covestro is made from a combination of words that reflect the identity of the new company. The letters “c” and “o” come from collaboration, while “vest” signifies the company is well invested in state-of-the-art manufacturing facilities. The final letters, “stro,” show the company is ...