Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8882862 | Method of forming a mesophase pitch from a coal extract suitable for processing to a high value coke | Alfred H. Stiller | 2014-11-11 |
| 8226816 | Method of producing synthetic pitch | Elliot B. Kennel, Alfred H. Stiller, John W. Zondlo | 2012-07-24 |
| 7824650 | Enhanced directional conductivity of graphitizable foam | Leonard S. Singer | 2010-11-02 |
| 6346226 | Method of making a carbon foam material and resultant product | Alfred H. Stiller, John W. Zondlo | 2002-02-12 |
| 6241957 | Method of making a carbon foam material and resultant product | Alfred H. Stiller, John W. Zondlo | 2001-06-05 |
| 5955375 | Production of coal derivation products utilizing NMP-type solvent extraction | John W. Zondlo, Alfred H. Stiller | 1999-09-21 |
| 5888469 | Method of making a carbon foam material and resultant product | Alfred H. Stiller, John W. Zondlo | 1999-03-30 |
| 5705139 | Method of producing high quality, high purity, isotropic graphite from coal | Alfred H. Stiller, John W. Zondlo | 1998-01-06 |