Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826632 | Detergent compositions manufacturing process by spraying anionic/nonionic surfactant mix | Francois Delwel, Elfed H. Evans | 1989-05-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826632 | Detergent compositions manufacturing process by spraying anionic/nonionic surfactant mix | Francois Delwel, Elfed H. Evans | 1989-05-02 |