Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7875678 | Process for making high impact strength polystyrene and related compositions | Michael J. Hanner, Clifford C. Pettey, Carleton E. Stouffer, Paul M. Hunt, Ken E. Bowen | 2011-01-25 |
| 6177512 | High impact polystyrene containing polyphenylene oxide | Loren Kenneth Gibbons, Jeffrey Silloway, Jason Miller, Michael J. Hanner, Seldon L. Dotson | 2001-01-23 |
| 5569709 | Grafting, phase-inversion and cross-linking controlled multi-stage bulk process for making ABS graft copolymers | Robert Koch, John E. Pace, Gregory R. Prince | 1996-10-29 |
| 5489657 | Bulk process for making maleimide copolymers | Gregory R. Prince, Stephen M. Campbell | 1996-02-06 |
| 5414045 | Grafting, phase-inversion and cross-linking controlled multi-stage bulk process for making ABS graft copolymers | Robert Koch, John E. Pace, Gregory R. Prince | 1995-05-09 |
| 5399644 | Sulfur dioxide for vapor phase elimination of styrene and acrylonitrile popcorn polymer in bulk san production | John C. Wozny, John E. Pace | 1995-03-21 |
| 5272231 | Nitric oxide for vapor phase elimination of styrene and acrylonitrile popcorn polymer in bulk SAN production | Stephen M. Campbell | 1993-12-21 |