Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4957599 | Alkaline extraction, peroxide bleaching of nonwoody lignocellulosic substrates | David F. Garrison, William I. Lewis | 1990-09-18 |
| 4859282 | Acid purification of product from alkaline peroxide processing of nonwoody lignocellulosic substrates | David F. Garrison, William I. Lewis | 1989-08-22 |
| 4644060 | Supercritical ammonia treatment of lignocellulosic materials | — | 1987-02-17 |
| 4588847 | Process for separation of ethylene glycol and propylene glycol on selected zeolites | — | 1986-05-13 |