Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7732559 | Method of making halophthalic acids and halophthalic anhydrides | Robert Edgar Colborn, David Bruce Hall, Peter Koch, Thomas Wessel, Karl E. Mack +5 more | 2010-06-08 |
| 7541489 | Method of making halophthalic acids and halophthalic anhydrides | Robert Edgar Colborn, David Bruce Hall, Peter Koch, Thomas Wessel, KarlErnst Mack +5 more | 2009-06-02 |