Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820813 | Grinding process for high viscosity cellulose ethers | — | 1989-04-11 |
| 4816298 | Method of making a granular, cold water dispersible coating composition | Daniel A. Alderman | 1989-03-28 |