February 15, 2006
U.S. Patent No. 7,000,000 ("Polysaccharide Fibers") issued on 2/14/06, marking E. I. du Pont de Nemours and Company's place in history as the owner of the seven millionth U.S. utility patent. Inventor John O'Brien developed novel polysaccharide fibers with a "cotton-like" feel, particularly useful in a broad range of textile applications. This 15 claim patent covers both a broad range of α(1→3) polysaccharides as well as methods for producing such fibers.
USPTO Press Release on Patent No. 7,000,000: LINK
U.S. Patent No. 7,000,000: LINK
USPTO Press Release on Patent No. 7,000,000: LINK
U.S. Patent No. 7,000,000: LINK
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