Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6313337 | Method of making benzoyl halides and nitriles | Dean R. Lagerwall, Daniel R. Thielen, Mark F. Lechner | 2001-11-06 |
| 6222079 | Method of increasing certain isomeric ratios in chlorinating substituted benzenes | Dean R. Lagerwall, Hang Chen, Mark F. Lechner | 2001-04-24 |
| 6201161 | Method of reducing benzaldehyde or benzotrihalide content in a mixture | Dean R. Lagerwall, Daniel R. Thielen | 2001-03-13 |
| 6156945 | Method of making high purity 2,4- and 3,4-dichlorotoluene | Viesturs Lesins, Arthur H. Morth, Frank P. Bermel, David Y. Tang, Mark E. Lindrose +4 more | 2000-12-05 |
| 5773673 | Method of making chlorinated hydrocarbons | Edward A. Rowe | 1998-06-30 |