 RADNOR, Pa., Oct. 19, 2021 PRNewswire -- Avantor, Inc. NYSE: AVTR Avantor, a leading global provider of mission-critical products and services to customers in the life sciences and advanced technologies applied materials industries, announced today the commencement of a private offering of senior notes the Notes to be issued by its wholly-owned subsidiary, Avantor Funding, Inc. the Issuer. 