Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6010617 | Process for producing non-carcinogenic coal-tar-derived products | Carl R. Mackerer, Timothy A. Roy | 2000-01-04 |
| 5488193 | Process for reducing polynuclear aromatic mutagenicity by alkylation | Carl R. Mackerer, Timothy A. Roy | 1996-01-30 |
| 5308470 | Non-carcinogenic asphalts and asphalt blending stocks | Carl R. Mackerer, Timothy A. Roy | 1994-05-03 |
| 5178747 | Non-carcinogenic bright stock extracts and deasphalted oils | Carl R. Mackerer, Nigel Searle, Arshavir E. Mekitarian, Edward N. Ladov | 1993-01-12 |
| 5034119 | Non-carcinogenic bright stock extracts and deasphalted oils | Carl R. Mackerer, Nigel Searle, Arshavir E. Mekitarian, Edward N. Ladov | 1991-07-23 |
| 4968323 | Metalworking fluid composition | Carl R. Mackerer | 1990-11-06 |
| 4943521 | Method for evaluating mutagenicity | Carl R. Mackerer, Ceinwen A. Schreiner | 1990-07-24 |
| 4891322 | Assaying of polynuclear aromatic compounds | Carl R. Mackerer, Ceinwen A. Schreiner | 1990-01-02 |
| 4770998 | Biochemical assay of aldehydes | John F. Dooley, Carl R. Mackerer, Ceinwen A. Schreiner | 1988-09-13 |
| 4499187 | Method for evaluating mutagenicity | Carl R. Mackerer, Ceinwen A. Schreiner | 1985-02-12 |