Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7732559 | Method of making halophthalic acids and halophthalic anhydrides | Robert Edgar Colborn, David Bruce Hall, Peter Koch, Bernd Volker Demuth, Thomas Wessel +5 more | 2010-06-08 |
| 7541489 | Method of making halophthalic acids and halophthalic anhydrides | Robert Edgar Colborn, David Bruce Hall, Peter Koch, Bernd Volker Demuth, Thomas Wessel +5 more | 2009-06-02 |
| 5569709 | Grafting, phase-inversion and cross-linking controlled multi-stage bulk process for making ABS graft copolymers | Chen-Youn Sue, Robert Koch, Gregory R. Prince | 1996-10-29 |
| 5414045 | Grafting, phase-inversion and cross-linking controlled multi-stage bulk process for making ABS graft copolymers | Chen-Youn Sue, Robert Koch, 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, Chen-Youn Sue | 1995-03-21 |
| 5221787 | Method of preparing maleic anhydride terpolymers | John Robison, James M. Haynes, III | 1993-06-22 |