Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7968491 | Multi-layer catalyst for producing phthalic anhydride | Christian Guckel, Marvin Estenfelder | 2011-06-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7968491 | Multi-layer catalyst for producing phthalic anhydride | Christian Guckel, Marvin Estenfelder | 2011-06-28 |