Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663455 | Process for conducting etherification reactions using as catalysts strong-acid, cation-exchange resins prepared under high temperature conditions | Rex R. Stevens | 1997-09-02 |
| 5616622 | Crosslinked seeded copolymer beads and process of manufacture | Robert L. Sammler | 1997-04-01 |