Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8710136 | Carbon blacks having low PAH amounts and methods of making same | Irina S. Yurovskaya, William L. Sifleet, Martin C. Green, Anand Prakash | 2014-04-29 |
| 8034316 | Carbon blacks having low PAH amounts and methods of making same | Irina S. Yurovskaya, William L. Sifleet, Martin C. Green, Anand Prakash | 2011-10-11 |
| 4879104 | Process for producing carbon black | Ronald C. Hurst | 1989-11-07 |