Lonza Group Ltd reported the expiration of the subsequent offering period of the tender offer by Lonza and its indirect, wholly-owned subsidiary LG Acquisition Corp. for all outstanding shares of common stock of Arch Chemicals, Inc. at a price of $47.20 per share in cash, without interest and less any required withholding taxes. Lonza Microbial Control, a new business sector formed by the acquisition and led by Jeanne Thoma as previously reported in Happi, will provide customers with a comple...