| 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 |
