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Donald Holmes
Dr. Donald Fletcher Holmes (September 29, 1910 – October 13, 1980) was an American inventor. Holmes, along with Dr. William Edward Hanford, invented the process for making the multipurpose material polyurethane.〔(''Invent Now'' Hall of Fame – Donald Fletcher Holmes ). Retrieved July 16, 2008.〕 He received the polyurethane patent in 1942.〔 Mixing polyols and hydroxyl compounds with di-isocyanates is the basis today for the manufacture of all polyurethanes. Polyurethane can be used in, but is not limited to, life-saving artificial hearts, safety padding in modern automobiles, and in carpeting.
Holmes was born in Woodbury, New Jersey.〔 In 1931, he earned a B.S. in Organic Chemistry from Amherst College in Massachusetts. He would later earn a master's and doctorate from the University of Illinois.〔 Holmes was posthumously inducted into the National Inventors Hall of Fame in 1991.〔
==Key patent==
*(Hanford, U.S. Patent 2,284,896, “Process For Making Polymeric Products And For Modifying Polymeric Products” )
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