Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841053 | Process for desensitizing a 1-(alkylamino)alkyl-polysubstituted piperazinone during recovery | Charles P. Jacobs, Ronald M. Kovach, John T. Lai | 1989-06-20 |
| 4797438 | Stabilized gamma-irradiated polypropylene and sterilizable articles thereof | George Kletecka, John T. Lai | 1989-01-10 |