Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5262143 | Production of finely divided particulate siliceous material by decomposition of alkali metal silicate with sulfitic species | Gerard N. Le Fevre, Graham Hagens | 1993-11-16 |
| 4938842 | High consistency peroxide bleaching | Philip Whiting, Adele M. Rhodes, Arnold E. Willoughby, Martin G. Fairbank, Hollis D. MacEwen | 1990-07-03 |