Addivant™ Receives Formal Approval From the FDA for Food Contact Use of Its Nonylphenol-Free Antioxidant Weston® 705 in Styrene Block Polymers DANBURY, Conn., Sept. 13, 2017 (GLOBE NEWSWIRE) -- Addivant™, the world leading supplier of liquid phosphite antioxidants for plastics, announced today that its nonylphenol-free stabilizer, WESTON®...