Felix Hoffmann to investigate the substance's efficacy and tolerability had been completed, it was found to be an analgesic, antipyretic and antiinflammatory substance. The company then worked to develop a cost-effective production process that would facilitate the promising active ingredient to be supplied as a pharmaceutical product. In 1899 it was marketed for the first time under the trade name "Aspirin", initially as a powder supplied in glass bottles. He also synthesized diamorphine (heroin), previously achieved by Charles Romley Alder Wright. Following the synthesis of aspirin, Hoffmann moved to the pharmaceutical marketing department where he stayed until his retirement in 1928. He
Sterling Drug the counter division of Sterling Winthrop in the US, Canada and Puerto Rico from SmithKline Beecham for $1 billion. Bayer also re-acquired the brand rights to the "Bayer Aspirin" name it had lost because of World War I. Spinoffs from the sale of Sterling include Starwin Products, created in 1987 from Sterling’s original branch in Ghana. The Lehn & Fink division was acquired by Reckitt & Colman (now Reckitt Benckiser) at the time of the deal. Sterling Drug Sterling Drug was an American global pharmaceutical company, known as Sterling-Winthrop, Inc. after the merger with Winthrop-Stearns Inc. (which resulted from the