Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5326791 | Process for separation of hydrolyzable from non-hydrolyzable waste plastics for recovery of starting materials and other conversion processes, respectively | William E. Wellman | 1994-07-05 |
| 5324817 | Process for improving biodegradability of PVC | Michael Siskin, George A. Knudsen | 1994-06-28 |
| 5312898 | Process for depolymerization of polyacrylonitrile using hot water | Michael Siskin, George A. Knudsen | 1994-05-17 |
| 5283318 | Process for depolymerization of butyl rubbers and halobutyl rubbers using hot liquid water | Michael Siskin, George A. Knudsen | 1994-02-01 |