Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7034193 | Method for purifying spent acid | Philip Hill, Thomas Edwin Pruitt, Forrest Lee Sanders, Albert Yi Yang | 2006-04-25 |
| 6818799 | Process for removing tar from spent acid | Philip Hill, Thomas Edwin Pruitt, Forrest Lee Sanders, Albert Yi Yang | 2004-11-16 |
| 6348525 | Co-agglomeration of random vinyl substituted aromatic/conjugated diolefin polymer with sulfur to improve homogeneity of polymer/asphalt admixtures | Koichi Takamura, Paul Velasco, Peter Blanpain, John Cheng, Heinz Plaumann +2 more | 2002-02-19 |
| 6300392 | Co-agglomeration of random vinyl substituted aromatic/conjugated diolefin polymer with sulfur to improve homogeneity of polymer/asphalt admixtures | Koichi Takamura, Paul Velasco, Peter Blanpain, John Cheng, Heinz Plaumann +2 more | 2001-10-09 |
| 6127461 | Co-Agglomeration of random vinyl substituted aromatic/conjugated diolefin polymer with sulfur to improve homogeneity of polymer/asphalt admixtures | Koichi Takamura, Paul Velasco, Peter Blanpain, John Cheng, Heinz Plaumann +2 more | 2000-10-03 |
| 4626568 | Vibration and noise insulating rubber compositions | Kyosaku Sato, Seung T. Cheung | 1986-12-02 |