Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6177396 | Aqueous based surfactant compositions | Richard M. CLAPPERTON, John R. Goulding, Boyd William Grover, Ian Guthrie, Edward T. Messenger +2 more | 2001-01-23 |
| 6090762 | Aqueous based surfactant compositions | Richard M. CLAPPERTON, John R. Goulding, Boyd William Grover, Ian Guthrie, Edward T. Messenger +2 more | 2000-07-18 |
| 5476519 | Dye suspensions | Jill Elizabeth Newton, Richard M. CLAPPERTON | 1995-12-19 |
| 4793943 | Liquid detergent compositions | John M. Allonby, Brian J. Akred, Edward T. Messenger | 1988-12-27 |
| 4618446 | Spherulitic liquid detergent composition | John M. Allonby, Brian J. Akred, Edward T. Messenger | 1986-10-21 |