“…Fibers based on casein, soybean, peanut, zein, gelatin, glue, collagen, and other proteins have received considerable attention in the United States, Europe, and Japan as an inexpensive substitute for wool and silk fibers. [1][2][3][4][5][6][7][8][9][10][11] In 1935, the Italian firm Sina Viscosa began large-scale production of casein fibers known as Lanital. 2 Shortly afterward, Courtaulds in England adopted the Ferretti process to produce milk and soybean protein fibers.…”