Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE37949 | Production of anionic surfactant granules by in situ neutralization | William Derek Emery, Kenneth Metcalfe | 2002-12-31 |
| 5646107 | Production of anionic surfactant granules | William Derek Emery, Kenneth Metcalfe | 1997-07-08 |
| 5641741 | Production of anionic surfactant granules by in situ neutralization | William Derek Emery, Kenneth Metcalfe | 1997-06-24 |