Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4329446 | Method of preparing cellulose esters | — | 1982-05-11 |
| 4329447 | Catalyst for and method of preparing cellulose esters | Richard J. Brewer | 1982-05-11 |
| 4314056 | Catalyst for and method of preparing cellulose esters | Richard J. Brewer | 1982-02-02 |