Edward Goodrich Acheson
Patents and Inventions
Carborundum, 1892, (US patent 492,767)

Edward Goodrich Acheson (1856 1931) was an American chemist and inventor. Holds 70 patents relating to abrasives, graphite products, reduction of oxides, and refractories.
Best known for the invention of carborundum (US patent 492,767).

Title Primary Class Description Inventor Assignee Issue Date Patent No.
Production of Artificial Crystalline Carbonaceous Materials 423/345 A method for making Carborundum, an industrial abrasive called also silicon carbide. Edward Goodrich Acheson Carborundum Company, Pennsylvania February 28, 1893 US492767
Electrical Furnace 423/345 An electrical furnace used to produce carborundum. Edward Goodrich Acheson
May 19, 1896 US560291
Manufacture of graphite 423/448 Artificial graphite. Acheson placed amorphous carbon together with certain catalysts such as silica or alumina in a furnace at temperatures about 3000 C. to produce graphite. Edward Goodrich Acheson
September 29, 1896 US568,323
Article of Carborundum and Process of the Manufacture Thereof 501/88 Improvement of Carborundum manufacturing process and properties by association with iron. Edward Goodrich Acheson
December 6, 1898 US615648

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