Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684093 | Nitrogen-containing compounds | Robert D. Tack, Jacob Emert, Irina Shcherbakova | 1997-11-04 |
| 5670446 | Sultine color-former compounds and their use in cabonless copy paper | Nusrallah Jubran, Josef V. Ugro, Jr. | 1997-09-23 |
| 5611915 | Process for removal of heteroatoms under reducing conditions in supercritical water | Michael Siskin, David T. Ferrughelli, William N. Olmstead | 1997-03-18 |