Convertible tops were available in either black or white Orlon. He developed the first reliable process for dyeing Orlon and coauthored a popular textbook. In his lunchtime show, Sales always wore an orlon fabric sweater. DuPont created the first acrylic fibers in 1941 and trademarked them under the name Orlon. Distrusting Angel, Wesley shatters the Orlon Window, which restores Connor's, Wesley's, and Illyria's memories.