Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826632 | Detergent compositions manufacturing process by spraying anionic/nonionic surfactant mix | Stephen N. Blackburn, Elfed H. Evans | 1989-05-02 |
| 4824593 | Antifoam ingredient | Peter Willem Appel, Fabrizio Bortolotti, Fredrik Hornung, Alan Digby Tomlinson, Simon Willemse | 1989-04-25 |