Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7148288 | Process for formation of preformed stabilizer polyols | Joseph P. Borst, David D. Peters | 2006-12-12 |
| 6780932 | Graft polyols prepared by a continuous process | Duane A. Heyman | 2004-08-24 |
| 5223570 | Method for the preparation of graft polymer dispersions having broad particle size distribution without wildly fluctuating viscosities | Kenneth C. Scott, Joseph F. Louvar | 1993-06-29 |
| 4824561 | Wastewater treatment | Joseph F. Louvar | 1989-04-25 |
| 4772732 | Method for purification of butylene oxide | Lawrence E. James, Joseph F. Louvar, Ernst Langer | 1988-09-20 |
| 4746443 | Bentazon containing wastewater treatment | Joseph F. Louvar, Albrecht Muller, Hanspeter Hansen, Hans Rupert Merkle | 1988-05-24 |