samples of continuous filament yarn, something that had eluded the cellulose acetate industry to this time. Unfortunately, the outbreak of World War I postponed commercial development of this process.

In November 1914, the British Government invited Camille Dreyfus to come to England to manufacture acetate dope, and the "British Cellulose and Chemical Manufacturing Co" was set up. In 1917, after the United States had entered the war, the U.S. War Department