Tesaurus d'Art i Arquitectura Getty Institute 0000-00-00 2024-01-24 15:40:44 en Perspex (TM)300014435perspex Commercially produced, British acrylic plastic consisting essentially of polymerized methyl methacrylate. Polymethyl methacrylate was discovered in the early 1930s by British chemists at Imperial Chemical Industries in England and trademarked the name Perspex. perspex Perspex (TM) 2026-03-30 20:20:18