Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657067 | Method for the manufacture of chlorophthalic anhydride | Robert Edgar Colborn, David Bruce Hall, Peter Koch | 2003-12-02 |
| 6657068 | Liquid phase oxidation of halogenated ortho-xylenes | Robert Edgar Colborn, David Bruce Hall, Peter Koch | 2003-12-02 |
| 6649773 | Method for the manufacture of halophthalic acids and anhydrides | Robert Edgar Colborn, David Bruce Hall, Peter Koch | 2003-11-18 |