Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6010617 | Process for producing non-carcinogenic coal-tar-derived products | Carl R. Mackerer, Gary R. Blackburn | 2000-01-04 |
| 5587324 | Process for coal tar remediation | Carl R. Mackerer, Lawrence N. Goldstein | 1996-12-24 |
| 5488193 | Process for reducing polynuclear aromatic mutagenicity by alkylation | Carl R. Mackerer, Gary R. Blackburn | 1996-01-30 |
| 5308470 | Non-carcinogenic asphalts and asphalt blending stocks | Gary R. Blackburn, Carl R. Mackerer | 1994-05-03 |