Appropriate synthetic routes to PAES were developed almost simultaneously, and yet independently, from 3M Corporation, Union Carbide Corporation in the United States, and ICI's Plastics Division in the United Kingdom.
Entsprechende Synthesewege zu PAES wurden fast gleichzeitig und trotzdem unabhängig voneinander von 3M Corporation, von Union Carbide Corporation in den USA und in der Plastics Division von ICI in Großbritannien entwickelt.